kallithea Changeset - bbbb013a0e94

Changeset - bbbb013a0e94

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rhodecode-2.2.5-gpl

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Bradley M. Kuhn - 12 years ago 2014-05-17 00:07:12
bkuhn@sfconservancy.org

Import some of the files from Select2 3.5.0 Javascript system.

RhodeCode 2.2.5 used a version of Select2. Herein, we bring into
Kallithea only a few files directly from Select2 3.5.0 (6ef7155) upstream,
using the commands indicated below:

(cd /tmp; \
git clone https://github.com/ivaynberg/select2.git; \
cd select2; \
git checkout 3.5.0 \
)
mkdir rhodecode/public/js/select2
cp -pa /tmp/select2/select2.{js,css,png} rhodecode/public/js/select2/
cp -pa /tmp/select2/select2x2.png rhodecode/public/js/select2/
cp -pa /tmp/select2/select2-spinner.gif rhodecode/public/js/select2/
hg add rhodecode/public/js/select2/

5 files changed with 4181 insertions and 0 deletions:

rhodecode/public/js/select2/select2-spinner.gif

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rhodecode/public/js/select2/select2.css

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rhodecode/public/js/select2/select2.js

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rhodecode/public/js/select2/select2.png

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rhodecode/public/js/select2/select2x2.png

bin+new file

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rhodecode/public/js/select2/select2-spinner.gif

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rhodecode/public/js/select2/select2.css

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 /*
 Version: 3.5.0 Timestamp: Mon Jun 16 19:29:44 EDT 2014
 */
 .select2-container {
     margin: 0;
     position: relative;
     display: inline-block;
     /* inline-block for ie7 */
     zoom: 1;
     *display: inline;
     vertical-align: middle;
+}
 .select2-container,
 .select2-drop,
 .select2-search,
 .select2-search input {
   /*
     Force border-box so that % widths fit the parent
     container without overlap because of margin/padding.
     More Info : http://www.quirksmode.org/css/box.html
   */
   -webkit-box-sizing: border-box; /* webkit */
      -moz-box-sizing: border-box; /* firefox */
           box-sizing: border-box; /* css3 */
+}
 .select2-container .select2-choice {
     display: block;
     height: 26px;
     padding: 0 0 0 8px;
     overflow: hidden;
     position: relative;
     border: 1px solid #aaa;
     white-space: nowrap;
     line-height: 26px;
     color: #444;
     text-decoration: none;
     border-radius: 4px;
     background-clip: padding-box;
     -webkit-touch-callout: none;
       -webkit-user-select: none;
          -moz-user-select: none;
           -ms-user-select: none;
               user-select: none;
     background-color: #fff;
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eee), color-stop(0.5, #fff));
     background-image: -webkit-linear-gradient(center bottom, #eee 0%, #fff 50%);
     background-image: -moz-linear-gradient(center bottom, #eee 0%, #fff 50%);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#ffffff', endColorstr = '#eeeeee', GradientType = 0);
     background-image: linear-gradient(to top, #eee 0%, #fff 50%);
+}
 html[dir="rtl"] .select2-container .select2-choice {
     padding: 0 8px 0 0;
+}
 .select2-container.select2-drop-above .select2-choice {
     border-bottom-color: #aaa;
     border-radius: 0 0 4px 4px;
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #eee), color-stop(0.9, #fff));
     background-image: -webkit-linear-gradient(center bottom, #eee 0%, #fff 90%);
     background-image: -moz-linear-gradient(center bottom, #eee 0%, #fff 90%);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#eeeeee', GradientType=0);
     background-image: linear-gradient(to bottom, #eee 0%, #fff 90%);
+}
 .select2-container.select2-allowclear .select2-choice .select2-chosen {
     margin-right: 42px;
+}
 .select2-container .select2-choice > .select2-chosen {
     margin-right: 26px;
     display: block;
     overflow: hidden;
     white-space: nowrap;
     text-overflow: ellipsis;
     float: none;
     width: auto;
+}
 html[dir="rtl"] .select2-container .select2-choice > .select2-chosen {
     margin-left: 26px;
     margin-right: 0;
+}
 .select2-container .select2-choice abbr {
     display: none;
     width: 12px;
     height: 12px;
     position: absolute;
     right: 24px;
     top: 8px;
     font-size: 1px;
     text-decoration: none;
     border: 0;
     background: url('select2.png') right top no-repeat;
     cursor: pointer;
     outline: 0;
+}
 .select2-container.select2-allowclear .select2-choice abbr {
     display: inline-block;
+}
 .select2-container .select2-choice abbr:hover {
     background-position: right -11px;
     cursor: pointer;
+}
 .select2-drop-mask {
     border: 0;
     margin: 0;
     padding: 0;
     position: fixed;
     left: 0;
     top: 0;
     min-height: 100%;
     min-width: 100%;
     height: auto;
     width: auto;
     opacity: 0;
     z-index: 9998;
     /* styles required for IE to work */
     background-color: #fff;
     filter: alpha(opacity=0);
+}
 .select2-drop {
     width: 100%;
     margin-top: -1px;
     position: absolute;
     z-index: 9999;
     top: 100%;
     background: #fff;
     color: #000;
     border: 1px solid #aaa;
     border-top: 0;
     border-radius: 0 0 4px 4px;
     -webkit-box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
             box-shadow: 0 4px 5px rgba(0, 0, 0, .15);
+}
 .select2-drop.select2-drop-above {
     margin-top: 1px;
     border-top: 1px solid #aaa;
     border-bottom: 0;
     border-radius: 4px 4px 0 0;
     -webkit-box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
             box-shadow: 0 -4px 5px rgba(0, 0, 0, .15);
+}
 .select2-drop-active {
     border: 1px solid #5897fb;
     border-top: none;
+}
 .select2-drop.select2-drop-above.select2-drop-active {
     border-top: 1px solid #5897fb;
+}
 .select2-drop-auto-width {
     border-top: 1px solid #aaa;
     width: auto;
+}
 .select2-drop-auto-width .select2-search {
     padding-top: 4px;
+}
 .select2-container .select2-choice .select2-arrow {
     display: inline-block;
     width: 18px;
     height: 100%;
     position: absolute;
     right: 0;
     top: 0;
     border-left: 1px solid #aaa;
     border-radius: 0 4px 4px 0;
     background-clip: padding-box;
     background: #ccc;
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #ccc), color-stop(0.6, #eee));
     background-image: -webkit-linear-gradient(center bottom, #ccc 0%, #eee 60%);
     background-image: -moz-linear-gradient(center bottom, #ccc 0%, #eee 60%);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr = '#eeeeee', endColorstr = '#cccccc', GradientType = 0);
     background-image: linear-gradient(to top, #ccc 0%, #eee 60%);
+}
 html[dir="rtl"] .select2-container .select2-choice .select2-arrow {
     left: 0;
     right: auto;
     border-left: none;
     border-right: 1px solid #aaa;
     border-radius: 4px 0 0 4px;
+}
 .select2-container .select2-choice .select2-arrow b {
     display: block;
     width: 100%;
     height: 100%;
     background: url('select2.png') no-repeat 0 1px;
+}
 html[dir="rtl"] .select2-container .select2-choice .select2-arrow b {
     background-position: 2px 1px;
+}
 .select2-search {
     display: inline-block;
     width: 100%;
     min-height: 26px;
     margin: 0;
     padding-left: 4px;
     padding-right: 4px;
     position: relative;
     z-index: 10000;
     white-space: nowrap;
+}
 .select2-search input {
     width: 100%;
     height: auto !important;
     min-height: 26px;
     padding: 4px 20px 4px 5px;
     margin: 0;
     outline: 0;
     font-family: sans-serif;
     font-size: 1em;
     border: 1px solid #aaa;
     border-radius: 0;
     -webkit-box-shadow: none;
             box-shadow: none;
     background: #fff url('select2.png') no-repeat 100% -22px;
     background: url('select2.png') no-repeat 100% -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
     background: url('select2.png') no-repeat 100% -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2.png') no-repeat 100% -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2.png') no-repeat 100% -22px, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
 html[dir="rtl"] .select2-search input {
     padding: 4px 5px 4px 20px;
     background: #fff url('select2.png') no-repeat -37px -22px;
     background: url('select2.png') no-repeat -37px -22px, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
     background: url('select2.png') no-repeat -37px -22px, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2.png') no-repeat -37px -22px, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2.png') no-repeat -37px -22px, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
 .select2-drop.select2-drop-above .select2-search input {
     margin-top: 4px;
+}
 .select2-search input.select2-active {
     background: #fff url('select2-spinner.gif') no-repeat 100%;
     background: url('select2-spinner.gif') no-repeat 100%, -webkit-gradient(linear, left bottom, left top, color-stop(0.85, #fff), color-stop(0.99, #eee));
     background: url('select2-spinner.gif') no-repeat 100%, -webkit-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2-spinner.gif') no-repeat 100%, -moz-linear-gradient(center bottom, #fff 85%, #eee 99%);
     background: url('select2-spinner.gif') no-repeat 100%, linear-gradient(to bottom, #fff 85%, #eee 99%) 0 0;
+}
 .select2-container-active .select2-choice,
 .select2-container-active .select2-choices {
     border: 1px solid #5897fb;
     outline: none;
     -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
             box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+}
 .select2-dropdown-open .select2-choice {
     border-bottom-color: transparent;
     -webkit-box-shadow: 0 1px 0 #fff inset;
             box-shadow: 0 1px 0 #fff inset;
     border-bottom-left-radius: 0;
     border-bottom-right-radius: 0;
     background-color: #eee;
     background-image: -webkit-gradient(linear, left bottom, left top, color-stop(0, #fff), color-stop(0.5, #eee));
     background-image: -webkit-linear-gradient(center bottom, #fff 0%, #eee 50%);
     background-image: -moz-linear-gradient(center bottom, #fff 0%, #eee 50%);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0);
     background-image: linear-gradient(to top, #fff 0%, #eee 50%);
+}
 .select2-dropdown-open.select2-drop-above .select2-choice,
 .select2-dropdown-open.select2-drop-above .select2-choices {
     border: 1px solid #5897fb;
     border-top-color: transparent;
     background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #fff), color-stop(0.5, #eee));
     background-image: -webkit-linear-gradient(center top, #fff 0%, #eee 50%);
     background-image: -moz-linear-gradient(center top, #fff 0%, #eee 50%);
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#ffffff', GradientType=0);
     background-image: linear-gradient(to bottom, #fff 0%, #eee 50%);
+}
 .select2-dropdown-open .select2-choice .select2-arrow {
     background: transparent;
     border-left: none;
     filter: none;
+}
 html[dir="rtl"] .select2-dropdown-open .select2-choice .select2-arrow {
     border-right: none;
+}
 .select2-dropdown-open .select2-choice .select2-arrow b {
     background-position: -18px 1px;
+}
 html[dir="rtl"] .select2-dropdown-open .select2-choice .select2-arrow b {
     background-position: -16px 1px;
+}
 .select2-hidden-accessible {
     border: 0;
     clip: rect(0 0 0 0);
     height: 1px;
     margin: -1px;
     overflow: hidden;
     padding: 0;
     position: absolute;
     width: 1px;
+}
 /* results */
 .select2-results {
     max-height: 200px;
     padding: 0 0 0 4px;
     margin: 4px 4px 4px 0;
     position: relative;
     overflow-x: hidden;
     overflow-y: auto;
     -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
 html[dir="rtl"] .select2-results {
     padding: 0 4px 0 0;
     margin: 4px 0 4px 4px;
+}
 .select2-results ul.select2-result-sub {
     margin: 0;
     padding-left: 0;
+}
 .select2-results li {
     list-style: none;
     display: list-item;
     background-image: none;
+}
 .select2-results li.select2-result-with-children > .select2-result-label {
     font-weight: bold;
+}
 .select2-results .select2-result-label {
     padding: 3px 7px 4px;
     margin: 0;
     cursor: pointer;
     min-height: 1em;
     -webkit-touch-callout: none;
       -webkit-user-select: none;
          -moz-user-select: none;
           -ms-user-select: none;
               user-select: none;
+}
 .select2-results-dept-1 .select2-result-label { padding-left: 20px }
 .select2-results-dept-2 .select2-result-label { padding-left: 40px }
 .select2-results-dept-3 .select2-result-label { padding-left: 60px }
 .select2-results-dept-4 .select2-result-label { padding-left: 80px }
 .select2-results-dept-5 .select2-result-label { padding-left: 100px }
 .select2-results-dept-6 .select2-result-label { padding-left: 110px }
 .select2-results-dept-7 .select2-result-label { padding-left: 120px }
 .select2-results .select2-highlighted {
     background: #3875d7;
     color: #fff;
+}
 .select2-results li em {
     background: #feffde;
     font-style: normal;
+}
 .select2-results .select2-highlighted em {
     background: transparent;
+}
 .select2-results .select2-highlighted ul {
     background: #fff;
     color: #000;
+}
 .select2-results .select2-no-results,
 .select2-results .select2-searching,
 .select2-results .select2-selection-limit {
     background: #f4f4f4;
     display: list-item;
     padding-left: 5px;
+}
 /*
 disabled look for disabled choices in the results dropdown
 */
 .select2-results .select2-disabled.select2-highlighted {
     color: #666;
     background: #f4f4f4;
     display: list-item;
     cursor: default;
+}
 .select2-results .select2-disabled {
   background: #f4f4f4;
   display: list-item;
   cursor: default;
+}
 .select2-results .select2-selected {
     display: none;
+}
 .select2-more-results.select2-active {
     background: #f4f4f4 url('select2-spinner.gif') no-repeat 100%;
+}
 .select2-more-results {
     background: #f4f4f4;
     display: list-item;
+}
 /* disabled styles */
 .select2-container.select2-container-disabled .select2-choice {
     background-color: #f4f4f4;
     background-image: none;
     border: 1px solid #ddd;
     cursor: default;
+}
 .select2-container.select2-container-disabled .select2-choice .select2-arrow {
     background-color: #f4f4f4;
     background-image: none;
     border-left: 0;
+}
 .select2-container.select2-container-disabled .select2-choice abbr {
     display: none;
+}
 /* multiselect */
 .select2-container-multi .select2-choices {
     height: auto !important;
     height: 1%;
     margin: 0;
     padding: 0 5px 0 0;
     position: relative;
     border: 1px solid #aaa;
     cursor: text;
     overflow: hidden;
     background-color: #fff;
     background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(1%, #eee), color-stop(15%, #fff));
     background-image: -webkit-linear-gradient(top, #eee 1%, #fff 15%);
     background-image: -moz-linear-gradient(top, #eee 1%, #fff 15%);
     background-image: linear-gradient(to bottom, #eee 1%, #fff 15%);
+}
 html[dir="rtl"] .select2-container-multi .select2-choices {
     padding: 0 0 0 5px;
+}
 .select2-locked {
   padding: 3px 5px 3px 5px !important;
+}
 .select2-container-multi .select2-choices {
     min-height: 26px;
+}
 .select2-container-multi.select2-container-active .select2-choices {
     border: 1px solid #5897fb;
     outline: none;
     -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, .3);
             box-shadow: 0 0 5px rgba(0, 0, 0, .3);
+}
 .select2-container-multi .select2-choices li {
     float: left;
     list-style: none;
+}
 html[dir="rtl"] .select2-container-multi .select2-choices li
+{
     float: right;
+}
 .select2-container-multi .select2-choices .select2-search-field {
     margin: 0;
     padding: 0;
     white-space: nowrap;
+}
 .select2-container-multi .select2-choices .select2-search-field input {
     padding: 5px;
     margin: 1px 0;
     font-family: sans-serif;
     font-size: 100%;
     color: #666;
     outline: 0;
     border: 0;
     -webkit-box-shadow: none;
             box-shadow: none;
     background: transparent !important;
+}
 .select2-container-multi .select2-choices .select2-search-field input.select2-active {
     background: #fff url('select2-spinner.gif') no-repeat 100% !important;
+}
 .select2-default {
     color: #999 !important;
+}
 .select2-container-multi .select2-choices .select2-search-choice {
     padding: 3px 5px 3px 18px;
     margin: 3px 0 3px 5px;
     position: relative;
     line-height: 13px;
     color: #333;
     cursor: default;
     border: 1px solid #aaaaaa;
     border-radius: 3px;
     -webkit-box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
             box-shadow: 0 0 2px #fff inset, 0 1px 0 rgba(0, 0, 0, 0.05);
     background-clip: padding-box;
     -webkit-touch-callout: none;
       -webkit-user-select: none;
          -moz-user-select: none;
           -ms-user-select: none;
               user-select: none;
     background-color: #e4e4e4;
     filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#eeeeee', endColorstr='#f4f4f4', GradientType=0);
     background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, color-stop(20%, #f4f4f4), color-stop(50%, #f0f0f0), color-stop(52%, #e8e8e8), color-stop(100%, #eee));
     background-image: -webkit-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
     background-image: -moz-linear-gradient(top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
     background-image: linear-gradient(to top, #f4f4f4 20%, #f0f0f0 50%, #e8e8e8 52%, #eee 100%);
+}
 html[dir="rtl"] .select2-container-multi .select2-choices .select2-search-choice
+{
     margin: 3px 5px 3px 0;
     padding: 3px 18px 3px 5px;
+}
 .select2-container-multi .select2-choices .select2-search-choice .select2-chosen {
     cursor: default;
+}
 .select2-container-multi .select2-choices .select2-search-choice-focus {
     background: #d4d4d4;
+}
 .select2-search-choice-close {
     display: block;
     width: 12px;
     height: 13px;
     position: absolute;
     right: 3px;
     top: 4px;
     font-size: 1px;
     outline: none;
     background: url('select2.png') right top no-repeat;
+}
 html[dir="rtl"] .select2-search-choice-close {
     right: auto;
     left: 3px;
+}
 .select2-container-multi .select2-search-choice-close {
     left: 3px;
+}
 html[dir="rtl"] .select2-container-multi .select2-search-choice-close {
     left: auto;
     right: 2px;
+}
 .select2-container-multi .select2-choices .select2-search-choice .select2-search-choice-close:hover {
   background-position: right -11px;
+}
 .select2-container-multi .select2-choices .select2-search-choice-focus .select2-search-choice-close {
     background-position: right -11px;
+}
 /* disabled styles */
 .select2-container-multi.select2-container-disabled .select2-choices {
     background-color: #f4f4f4;
     background-image: none;
     border: 1px solid #ddd;
     cursor: default;
+}
 .select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice {
     padding: 3px 5px 3px 5px;
     border: 1px solid #ddd;
     background-image: none;
     background-color: #f4f4f4;
+}
 .select2-container-multi.select2-container-disabled .select2-choices .select2-search-choice .select2-search-choice-close {    display: none;
     background: none;
+}
 /* end multiselect */
 .select2-result-selectable .select2-match,
 .select2-result-unselectable .select2-match {
     text-decoration: underline;
+}
 .select2-offscreen, .select2-offscreen:focus {
     clip: rect(0 0 0 0) !important;
     width: 1px !important;
     height: 1px !important;
     border: 0 !important;
     margin: 0 !important;
     padding: 0 !important;
     overflow: hidden !important;
     position: absolute !important;
     outline: 0 !important;
     left: 0px !important;
     top: 0px !important;
+}
 .select2-display-none {
     display: none;
+}
 .select2-measure-scrollbar {
     position: absolute;
     top: -10000px;
     left: -10000px;
     width: 100px;
     height: 100px;
     overflow: scroll;
+}
 /* Retina-ize icons */
 @media only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min-resolution: 2dppx)  {
     .select2-search input,
     .select2-search-choice-close,
     .select2-container .select2-choice abbr,
     .select2-container .select2-choice .select2-arrow b {
         background-image: url('select2x2.png') !important;
         background-repeat: no-repeat !important;
         background-size: 60px 40px !important;
+    }
     .select2-search input {
         background-position: 100% -21px !important;
+    }
+}

rhodecode/public/js/select2/select2.js

➞

Show inline comments

@@ new file 100644 @@
 /*
 Copyright 2012 Igor Vaynberg
 Version: 3.5.0 Timestamp: Mon Jun 16 19:29:44 EDT 2014
 This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
 General Public License version 2 (the "GPL License"). You may choose either license to govern your
 use of this software only upon the condition that you accept all of the terms of either the Apache
 License or the GPL License.
 You may obtain a copy of the Apache License and the GPL License at:
     http://www.apache.org/licenses/LICENSE-2.0
     http://www.gnu.org/licenses/gpl-2.0.html
 Unless required by applicable law or agreed to in writing, software distributed under the
 Apache License or the GPL License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 CONDITIONS OF ANY KIND, either express or implied. See the Apache License and the GPL License for
 the specific language governing permissions and limitations under the Apache License and the GPL License.
 */
 (function ($) {
     if(typeof $.fn.each2 == "undefined") {
         $.extend($.fn, {
             /*
             * 4-10 times faster .each replacement
             * use it carefully, as it overrides jQuery context of element on each iteration
             */
             each2 : function (c) {
                 var j = $([0]), i = -1, l = this.length;
                 while (
                     ++i < l
                     && (j.context = j[0] = this[i])
                     && c.call(j[0], i, j) !== false //"this"=DOM, i=index, j=jQuery object
                 );
                 return this;
+            }
         });
+    }
 })(jQuery);
 (function ($, undefined) {
     "use strict";
     /*global document, window, jQuery, console */
     if (window.Select2 !== undefined) {
         return;
+    }
     var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
         lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
     KEY = {
         TAB: 9,
         ENTER: 13,
         ESC: 27,
         SPACE: 32,
         LEFT: 37,
         UP: 38,
         RIGHT: 39,
         DOWN: 40,
         SHIFT: 16,
         CTRL: 17,
         ALT: 18,
         PAGE_UP: 33,
         PAGE_DOWN: 34,
         HOME: 36,
         END: 35,
         BACKSPACE: 8,
         DELETE: 46,
         isArrow: function (k) {
             k = k.which ? k.which : k;
             switch (k) {
             case KEY.LEFT:
             case KEY.RIGHT:
             case KEY.UP:
             case KEY.DOWN:
                 return true;
+            }
             return false;
         },
         isControl: function (e) {
             var k = e.which;
             switch (k) {
             case KEY.SHIFT:
             case KEY.CTRL:
             case KEY.ALT:
                 return true;
+            }
             if (e.metaKey) return true;
             return false;
         },
         isFunctionKey: function (k) {
             k = k.which ? k.which : k;
             return k >= 112 && k <= 123;
+        }
     },
     MEASURE_SCROLLBAR_TEMPLATE = "<div class='select2-measure-scrollbar'></div>",
     DIACRITICS = {"\u24B6":"A","\uFF21":"A","\u00C0":"A","\u00C1":"A","\u00C2":"A","\u1EA6":"A","\u1EA4":"A","\u1EAA":"A","\u1EA8":"A","\u00C3":"A","\u0100":"A","\u0102":"A","\u1EB0":"A","\u1EAE":"A","\u1EB4":"A","\u1EB2":"A","\u0226":"A","\u01E0":"A","\u00C4":"A","\u01DE":"A","\u1EA2":"A","\u00C5":"A","\u01FA":"A","\u01CD":"A","\u0200":"A","\u0202":"A","\u1EA0":"A","\u1EAC":"A","\u1EB6":"A","\u1E00":"A","\u0104":"A","\u023A":"A","\u2C6F":"A","\uA732":"AA","\u00C6":"AE","\u01FC":"AE","\u01E2":"AE","\uA734":"AO","\uA736":"AU","\uA738":"AV","\uA73A":"AV","\uA73C":"AY","\u24B7":"B","\uFF22":"B","\u1E02":"B","\u1E04":"B","\u1E06":"B","\u0243":"B","\u0182":"B","\u0181":"B","\u24B8":"C","\uFF23":"C","\u0106":"C","\u0108":"C","\u010A":"C","\u010C":"C","\u00C7":"C","\u1E08":"C","\u0187":"C","\u023B":"C","\uA73E":"C","\u24B9":"D","\uFF24":"D","\u1E0A":"D","\u010E":"D","\u1E0C":"D","\u1E10":"D","\u1E12":"D","\u1E0E":"D","\u0110":"D","\u018B":"D","\u018A":"D","\u0189":"D","\uA779":"D","\u01F1":"DZ","\u01C4":"DZ","\u01F2":"Dz","\u01C5":"Dz","\u24BA":"E","\uFF25":"E","\u00C8":"E","\u00C9":"E","\u00CA":"E","\u1EC0":"E","\u1EBE":"E","\u1EC4":"E","\u1EC2":"E","\u1EBC":"E","\u0112":"E","\u1E14":"E","\u1E16":"E","\u0114":"E","\u0116":"E","\u00CB":"E","\u1EBA":"E","\u011A":"E","\u0204":"E","\u0206":"E","\u1EB8":"E","\u1EC6":"E","\u0228":"E","\u1E1C":"E","\u0118":"E","\u1E18":"E","\u1E1A":"E","\u0190":"E","\u018E":"E","\u24BB":"F","\uFF26":"F","\u1E1E":"F","\u0191":"F","\uA77B":"F","\u24BC":"G","\uFF27":"G","\u01F4":"G","\u011C":"G","\u1E20":"G","\u011E":"G","\u0120":"G","\u01E6":"G","\u0122":"G","\u01E4":"G","\u0193":"G","\uA7A0":"G","\uA77D":"G","\uA77E":"G","\u24BD":"H","\uFF28":"H","\u0124":"H","\u1E22":"H","\u1E26":"H","\u021E":"H","\u1E24":"H","\u1E28":"H","\u1E2A":"H","\u0126":"H","\u2C67":"H","\u2C75":"H","\uA78D":"H","\u24BE":"I","\uFF29":"I","\u00CC":"I","\u00CD":"I","\u00CE":"I","\u0128":"I","\u012A":"I","\u012C":"I","\u0130":"I","\u00CF":"I","\u1E2E":"I","\u1EC8":"I","\u01CF":"I","\u0208":"I","\u020A":"I","\u1ECA":"I","\u012E":"I","\u1E2C":"I","\u0197":"I","\u24BF":"J","\uFF2A":"J","\u0134":"J","\u0248":"J","\u24C0":"K","\uFF2B":"K","\u1E30":"K","\u01E8":"K","\u1E32":"K","\u0136":"K","\u1E34":"K","\u0198":"K","\u2C69":"K","\uA740":"K","\uA742":"K","\uA744":"K","\uA7A2":"K","\u24C1":"L","\uFF2C":"L","\u013F":"L","\u0139":"L","\u013D":"L","\u1E36":"L","\u1E38":"L","\u013B":"L","\u1E3C":"L","\u1E3A":"L","\u0141":"L","\u023D":"L","\u2C62":"L","\u2C60":"L","\uA748":"L","\uA746":"L","\uA780":"L","\u01C7":"LJ","\u01C8":"Lj","\u24C2":"M","\uFF2D":"M","\u1E3E":"M","\u1E40":"M","\u1E42":"M","\u2C6E":"M","\u019C":"M","\u24C3":"N","\uFF2E":"N","\u01F8":"N","\u0143":"N","\u00D1":"N","\u1E44":"N","\u0147":"N","\u1E46":"N","\u0145":"N","\u1E4A":"N","\u1E48":"N","\u0220":"N","\u019D":"N","\uA790":"N","\uA7A4":"N","\u01CA":"NJ","\u01CB":"Nj","\u24C4":"O","\uFF2F":"O","\u00D2":"O","\u00D3":"O","\u00D4":"O","\u1ED2":"O","\u1ED0":"O","\u1ED6":"O","\u1ED4":"O","\u00D5":"O","\u1E4C":"O","\u022C":"O","\u1E4E":"O","\u014C":"O","\u1E50":"O","\u1E52":"O","\u014E":"O","\u022E":"O","\u0230":"O","\u00D6":"O","\u022A":"O","\u1ECE":"O","\u0150":"O","\u01D1":"O","\u020C":"O","\u020E":"O","\u01A0":"O","\u1EDC":"O","\u1EDA":"O","\u1EE0":"O","\u1EDE":"O","\u1EE2":"O","\u1ECC":"O","\u1ED8":"O","\u01EA":"O","\u01EC":"O","\u00D8":"O","\u01FE":"O","\u0186":"O","\u019F":"O","\uA74A":"O","\uA74C":"O","\u01A2":"OI","\uA74E":"OO","\u0222":"OU","\u24C5":"P","\uFF30":"P","\u1E54":"P","\u1E56":"P","\u01A4":"P","\u2C63":"P","\uA750":"P","\uA752":"P","\uA754":"P","\u24C6":"Q","\uFF31":"Q","\uA756":"Q","\uA758":"Q","\u024A":"Q","\u24C7":"R","\uFF32":"R","\u0154":"R","\u1E58":"R","\u0158":"R","\u0210":"R","\u0212":"R","\u1E5A":"R","\u1E5C":"R","\u0156":"R","\u1E5E":"R","\u024C":"R","\u2C64":"R","\uA75A":"R","\uA7A6":"R","\uA782":"R","\u24C8":"S","\uFF33":"S","\u1E9E":"S","\u015A":"S","\u1E64":"S","\u015C":"S","\u1E60":"S","\u0160":"S","\u1E66":"S","\u1E62":"S","\u1E68":"S","\u0218":"S","\u015E":"S","\u2C7E":"S","\uA7A8":"S","\uA784":"S","\u24C9":"T","\uFF34":"T","\u1E6A":"T","\u0164":"T","\u1E6C":"T","\u021A":"T","\u0162":"T","\u1E70":"T","\u1E6E":"T","\u0166":"T","\u01AC":"T","\u01AE":"T","\u023E":"T","\uA786":"T","\uA728":"TZ","\u24CA":"U","\uFF35":"U","\u00D9":"U","\u00DA":"U","\u00DB":"U","\u0168":"U","\u1E78":"U","\u016A":"U","\u1E7A":"U","\u016C":"U","\u00DC":"U","\u01DB":"U","\u01D7":"U","\u01D5":"U","\u01D9":"U","\u1EE6":"U","\u016E":"U","\u0170":"U","\u01D3":"U","\u0214":"U","\u0216":"U","\u01AF":"U","\u1EEA":"U","\u1EE8":"U","\u1EEE":"U","\u1EEC":"U","\u1EF0":"U","\u1EE4":"U","\u1E72":"U","\u0172":"U","\u1E76":"U","\u1E74":"U","\u0244":"U","\u24CB":"V","\uFF36":"V","\u1E7C":"V","\u1E7E":"V","\u01B2":"V","\uA75E":"V","\u0245":"V","\uA760":"VY","\u24CC":"W","\uFF37":"W","\u1E80":"W","\u1E82":"W","\u0174":"W","\u1E86":"W","\u1E84":"W","\u1E88":"W","\u2C72":"W","\u24CD":"X","\uFF38":"X","\u1E8A":"X","\u1E8C":"X","\u24CE":"Y","\uFF39":"Y","\u1EF2":"Y","\u00DD":"Y","\u0176":"Y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     $document = $(document);
     nextUid=(function() { var counter=1; return function() { return counter++; }; }());
     function reinsertElement(element) {
         var placeholder = $(document.createTextNode(''));
         element.before(placeholder);
         placeholder.before(element);
         placeholder.remove();
+    }
     function stripDiacritics(str) {
         // Used 'uni range + named function' from http://jsperf.com/diacritics/18
         function match(a) {
             return DIACRITICS[a] || a;
+        }
         return str.replace(/[^\u0000-\u007E]/g, match);
+    }
     function indexOf(value, array) {
         var i = 0, l = array.length;
         for (; i < l; i = i + 1) {
             if (equal(value, array[i])) return i;
+        }
         return -1;
+    }
     function measureScrollbar () {
         var $template = $( MEASURE_SCROLLBAR_TEMPLATE );
         $template.appendTo('body');
         var dim = {
             width: $template.width() - $template[0].clientWidth,
             height: $template.height() - $template[0].clientHeight
         };
         $template.remove();
         return dim;
+    }
     /**
      * Compares equality of a and b
      * @param a
      * @param b
      */
     function equal(a, b) {
         if (a === b) return true;
         if (a === undefined || b === undefined) return false;
         if (a === null || b === null) return false;
         // Check whether 'a' or 'b' is a string (primitive or object).
         // The concatenation of an empty string (+'') converts its argument to a string's primitive.
         if (a.constructor === String) return a+'' === b+''; // a+'' - in case 'a' is a String object
         if (b.constructor === String) return b+'' === a+''; // b+'' - in case 'b' is a String object
         return false;
+    }
     /**
      * Splits the string into an array of values, trimming each value. An empty array is returned for nulls or empty
      * strings
      * @param string
      * @param separator
      */
     function splitVal(string, separator) {
         var val, i, l;
         if (string === null || string.length < 1) return [];
         val = string.split(separator);
         for (i = 0, l = val.length; i < l; i = i + 1) val[i] = $.trim(val[i]);
         return val;
+    }
     function getSideBorderPadding(element) {
         return element.outerWidth(false) - element.width();
+    }
     function installKeyUpChangeEvent(element) {
         var key="keyup-change-value";
         element.on("keydown", function () {
             if ($.data(element, key) === undefined) {
                 $.data(element, key, element.val());
+            }
         });
         element.on("keyup", function () {
             var val= $.data(element, key);
             if (val !== undefined && element.val() !== val) {
                 $.removeData(element, key);
                 element.trigger("keyup-change");
+            }
         });
+    }
     /**
      * filters mouse events so an event is fired only if the mouse moved.
+     *
      * filters out mouse events that occur when mouse is stationary but
      * the elements under the pointer are scrolled.
      */
     function installFilteredMouseMove(element) {
         element.on("mousemove", function (e) {
             var lastpos = lastMousePosition;
             if (lastpos === undefined || lastpos.x !== e.pageX || lastpos.y !== e.pageY) {
                 $(e.target).trigger("mousemove-filtered", e);
+            }
         });
+    }
     /**
      * Debounces a function. Returns a function that calls the original fn function only if no invocations have been made
      * within the last quietMillis milliseconds.
+     *
      * @param quietMillis number of milliseconds to wait before invoking fn
      * @param fn function to be debounced
      * @param ctx object to be used as this reference within fn
      * @return debounced version of fn
      */
     function debounce(quietMillis, fn, ctx) {
         ctx = ctx || undefined;
         var timeout;
         return function () {
             var args = arguments;
             window.clearTimeout(timeout);
             timeout = window.setTimeout(function() {
                 fn.apply(ctx, args);
             }, quietMillis);
         };
+    }
     function installDebouncedScroll(threshold, element) {
         var notify = debounce(threshold, function (e) { element.trigger("scroll-debounced", e);});
         element.on("scroll", function (e) {
             if (indexOf(e.target, element.get()) >= 0) notify(e);
         });
+    }
     function focus($el) {
         if ($el[0] === document.activeElement) return;
         /* set the focus in a 0 timeout - that way the focus is set after the processing
             of the current event has finished - which seems like the only reliable way
             to set focus */
         window.setTimeout(function() {
             var el=$el[0], pos=$el.val().length, range;
             $el.focus();
             /* make sure el received focus so we do not error out when trying to manipulate the caret.
                 sometimes modals or others listeners may steal it after its set */
             var isVisible = (el.offsetWidth > 0 || el.offsetHeight > 0);
             if (isVisible && el === document.activeElement) {
                 /* after the focus is set move the caret to the end, necessary when we val()
                     just before setting focus */
                 if(el.setSelectionRange)
+                {
                     el.setSelectionRange(pos, pos);
+                }
                 else if (el.createTextRange) {
                     range = el.createTextRange();
                     range.collapse(false);
                     range.select();
+                }
+            }
         }, 0);
+    }
     function getCursorInfo(el) {
         el = $(el)[0];
         var offset = 0;
         var length = 0;
         if ('selectionStart' in el) {
             offset = el.selectionStart;
             length = el.selectionEnd - offset;
         } else if ('selection' in document) {
             el.focus();
             var sel = document.selection.createRange();
             length = document.selection.createRange().text.length;
             sel.moveStart('character', -el.value.length);
             offset = sel.text.length - length;
+        }
         return { offset: offset, length: length };
+    }
     function killEvent(event) {
         event.preventDefault();
         event.stopPropagation();
+    }
     function killEventImmediately(event) {
         event.preventDefault();
         event.stopImmediatePropagation();
+    }
     function measureTextWidth(e) {
         if (!sizer){
             var style = e[0].currentStyle || window.getComputedStyle(e[0], null);
             sizer = $(document.createElement("div")).css({
                 position: "absolute",
                 left: "-10000px",
                 top: "-10000px",
                 display: "none",
                 fontSize: style.fontSize,
                 fontFamily: style.fontFamily,
                 fontStyle: style.fontStyle,
                 fontWeight: style.fontWeight,
                 letterSpacing: style.letterSpacing,
                 textTransform: style.textTransform,
                 whiteSpace: "nowrap"
             });
             sizer.attr("class","select2-sizer");
             $("body").append(sizer);
+        }
         sizer.text(e.val());
         return sizer.width();
+    }
     function syncCssClasses(dest, src, adapter) {
         var classes, replacements = [], adapted;
         classes = $.trim(dest.attr("class"));
         if (classes) {
             classes = '' + classes; // for IE which returns object
             $(classes.split(/\s+/)).each2(function() {
                 if (this.indexOf("select2-") === 0) {
                     replacements.push(this);
+                }
             });
+        }
         classes = $.trim(src.attr("class"));
         if (classes) {
             classes = '' + classes; // for IE which returns object
             $(classes.split(/\s+/)).each2(function() {
                 if (this.indexOf("select2-") !== 0) {
                     adapted = adapter(this);
                     if (adapted) {
                         replacements.push(adapted);
+                    }
+                }
             });
+        }
         dest.attr("class", replacements.join(" "));
+    }
     function markMatch(text, term, markup, escapeMarkup) {
         var match=stripDiacritics(text.toUpperCase()).indexOf(stripDiacritics(term.toUpperCase())),
             tl=term.length;
         if (match<0) {
             markup.push(escapeMarkup(text));
             return;
+        }
         markup.push(escapeMarkup(text.substring(0, match)));
         markup.push("<span class='select2-match'>");
         markup.push(escapeMarkup(text.substring(match, match + tl)));
         markup.push("</span>");
         markup.push(escapeMarkup(text.substring(match + tl, text.length)));
+    }
     function defaultEscapeMarkup(markup) {
         var replace_map = {
             '\\': '&#92;',
             '&': '&amp;',
             '<': '&lt;',
             '>': '&gt;',
             '"': '&quot;',
             "'": '&#39;',
             "/": '&#47;'
         };
         return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
             return replace_map[match];
         });
+    }
     /**
      * Produces an ajax-based query function
+     *
      * @param options object containing configuration parameters
      * @param options.params parameter map for the transport ajax call, can contain such options as cache, jsonpCallback, etc. see $.ajax
      * @param options.transport function that will be used to execute the ajax request. must be compatible with parameters supported by $.ajax
      * @param options.url url for the data
      * @param options.data a function(searchTerm, pageNumber, context) that should return an object containing query string parameters for the above url.
      * @param options.dataType request data type: ajax, jsonp, other datatypes supported by jQuery's $.ajax function or the transport function if specified
      * @param options.quietMillis (optional) milliseconds to wait before making the ajaxRequest, helps debounce the ajax function if invoked too often
      * @param options.results a function(remoteData, pageNumber, query) that converts data returned form the remote request to the format expected by Select2.
      *      The expected format is an object containing the following keys:
      *      results array of objects that will be used as choices
      *      more (optional) boolean indicating whether there are more results available
      *      Example: {results:[{id:1, text:'Red'},{id:2, text:'Blue'}], more:true}
      */
     function ajax(options) {
         var timeout, // current scheduled but not yet executed request
             handler = null,
             quietMillis = options.quietMillis || 100,
             ajaxUrl = options.url,
             self = this;
         return function (query) {
             window.clearTimeout(timeout);
             timeout = window.setTimeout(function () {
                 var data = options.data, // ajax data function
                     url = ajaxUrl, // ajax url string or function
                     transport = options.transport || $.fn.select2.ajaxDefaults.transport,
                     // deprecated - to be removed in 4.0  - use params instead
                     deprecated = {
                         type: options.type || 'GET', // set type of request (GET or POST)
                         cache: options.cache || false,
                         jsonpCallback: options.jsonpCallback||undefined,
                         dataType: options.dataType||"json"
                     },
                     params = $.extend({}, $.fn.select2.ajaxDefaults.params, deprecated);
                 data = data ? data.call(self, query.term, query.page, query.context) : null;
                 url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
                 if (handler && typeof handler.abort === "function") { handler.abort(); }
                 if (options.params) {
                     if ($.isFunction(options.params)) {
                         $.extend(params, options.params.call(self));
                     } else {
                         $.extend(params, options.params);
+                    }
+                }
                 $.extend(params, {
                     url: url,
                     dataType: options.dataType,
                     data: data,
                     success: function (data) {
                         // TODO - replace query.page with query so users have access to term, page, etc.
                         // added query as third paramter to keep backwards compatibility
                         var results = options.results(data, query.page, query);
                         query.callback(results);
+                    }
                 });
                 handler = transport.call(self, params);
             }, quietMillis);
         };
+    }
     /**
      * Produces a query function that works with a local array
+     *
      * @param options object containing configuration parameters. The options parameter can either be an array or an
      * object.
+     *
      * If the array form is used it is assumed that it contains objects with 'id' and 'text' keys.
+     *
      * If the object form is used it is assumed that it contains 'data' and 'text' keys. The 'data' key should contain
      * an array of objects that will be used as choices. These objects must contain at least an 'id' key. The 'text'
      * key can either be a String in which case it is expected that each element in the 'data' array has a key with the
      * value of 'text' which will be used to match choices. Alternatively, text can be a function(item) that can extract
      * the text.
      */
     function local(options) {
         var data = options, // data elements
             dataText,
             tmp,
             text = function (item) { return ""+item.text; }; // function used to retrieve the text portion of a data item that is matched against the search
          if ($.isArray(data)) {
             tmp = data;
             data = { results: tmp };
+        }
          if ($.isFunction(data) === false) {
             tmp = data;
             data = function() { return tmp; };
+        }
         var dataItem = data();
         if (dataItem.text) {
             text = dataItem.text;
             // if text is not a function we assume it to be a key name
             if (!$.isFunction(text)) {
                 dataText = dataItem.text; // we need to store this in a separate variable because in the next step data gets reset and data.text is no longer available
                 text = function (item) { return item[dataText]; };
+            }
+        }
         return function (query) {
             var t = query.term, filtered = { results: [] }, process;
             if (t === "") {
                 query.callback(data());
                 return;
+            }
             process = function(datum, collection) {
                 var group, attr;
                 datum = datum[0];
                 if (datum.children) {
                     group = {};
                     for (attr in datum) {
                         if (datum.hasOwnProperty(attr)) group[attr]=datum[attr];
+                    }
                     group.children=[];
                     $(datum.children).each2(function(i, childDatum) { process(childDatum, group.children); });
                     if (group.children.length || query.matcher(t, text(group), datum)) {
                         collection.push(group);
+                    }
                 } else {
                     if (query.matcher(t, text(datum), datum)) {
                         collection.push(datum);
+                    }
+                }
             };
             $(data().results).each2(function(i, datum) { process(datum, filtered.results); });
             query.callback(filtered);
         };
+    }
     // TODO javadoc
     function tags(data) {
         var isFunc = $.isFunction(data);
         return function (query) {
             var t = query.term, filtered = {results: []};
             var result = isFunc ? data(query) : data;
             if ($.isArray(result)) {
                 $(result).each(function () {
                     var isObject = this.text !== undefined,
                         text = isObject ? this.text : this;
                     if (t === "" || query.matcher(t, text)) {
                         filtered.results.push(isObject ? this : {id: this, text: this});
+                    }
                 });
                 query.callback(filtered);
+            }
         };
+    }
     /**
      * Checks if the formatter function should be used.
+     *
      * Throws an error if it is not a function. Returns true if it should be used,
      * false if no formatting should be performed.
+     *
      * @param formatter
      */
     function checkFormatter(formatter, formatterName) {
         if ($.isFunction(formatter)) return true;
         if (!formatter) return false;
         if (typeof(formatter) === 'string') return true;
         throw new Error(formatterName +" must be a string, function, or falsy value");
+    }
   /**
    * Returns a given value
    * If given a function, returns its output
+   *
    * @param val string|function
    * @param context value of "this" to be passed to function
    * @returns {*}
    */
     function evaluate(val, context) {
         if ($.isFunction(val)) {
             var args = Array.prototype.slice.call(arguments, 2);
             return val.apply(context, args);
+        }
         return val;
+    }
     function countResults(results) {
         var count = 0;
         $.each(results, function(i, item) {
             if (item.children) {
                 count += countResults(item.children);
             } else {
                 count++;
+            }
         });
         return count;
+    }
     /**
      * Default tokenizer. This function uses breaks the input on substring match of any string from the
      * opts.tokenSeparators array and uses opts.createSearchChoice to create the choice object. Both of those
      * two options have to be defined in order for the tokenizer to work.
+     *
      * @param input text user has typed so far or pasted into the search field
      * @param selection currently selected choices
      * @param selectCallback function(choice) callback tho add the choice to selection
      * @param opts select2's opts
      * @return undefined/null to leave the current input unchanged, or a string to change the input to the returned value
      */
     function defaultTokenizer(input, selection, selectCallback, opts) {
         var original = input, // store the original so we can compare and know if we need to tell the search to update its text
             dupe = false, // check for whether a token we extracted represents a duplicate selected choice
             token, // token
             index, // position at which the separator was found
             i, l, // looping variables
             separator; // the matched separator
         if (!opts.createSearchChoice || !opts.tokenSeparators || opts.tokenSeparators.length < 1) return undefined;
         while (true) {
             index = -1;
             for (i = 0, l = opts.tokenSeparators.length; i < l; i++) {
                 separator = opts.tokenSeparators[i];
                 index = input.indexOf(separator);
                 if (index >= 0) break;
+            }
             if (index < 0) break; // did not find any token separator in the input string, bail
             token = input.substring(0, index);
             input = input.substring(index + separator.length);
             if (token.length > 0) {
                 token = opts.createSearchChoice.call(this, token, selection);
                 if (token !== undefined && token !== null && opts.id(token) !== undefined && opts.id(token) !== null) {
                     dupe = false;
                     for (i = 0, l = selection.length; i < l; i++) {
                         if (equal(opts.id(token), opts.id(selection[i]))) {
                             dupe = true; break;
+                        }
+                    }
                     if (!dupe) selectCallback(token);
+                }
+            }
+        }
         if (original!==input) return input;
+    }
     function cleanupJQueryElements() {
         var self = this;
         $.each(arguments, function (i, element) {
             self[element].remove();
             self[element] = null;
         });
+    }
     /**
      * Creates a new class
+     *
      * @param superClass
      * @param methods
      */
     function clazz(SuperClass, methods) {
         var constructor = function () {};
         constructor.prototype = new SuperClass;
         constructor.prototype.constructor = constructor;
         constructor.prototype.parent = SuperClass.prototype;
         constructor.prototype = $.extend(constructor.prototype, methods);
         return constructor;
+    }
     AbstractSelect2 = clazz(Object, {
         // abstract
         bind: function (func) {
             var self = this;
             return function () {
                 func.apply(self, arguments);
             };
         },
         // abstract
         init: function (opts) {
             var results, search, resultsSelector = ".select2-results";
             // prepare options
             this.opts = opts = this.prepareOpts(opts);
             this.id=opts.id;
             // destroy if called on an existing component
             if (opts.element.data("select2") !== undefined &&
                 opts.element.data("select2") !== null) {
                 opts.element.data("select2").destroy();
+            }
             this.container = this.createContainer();
             this.liveRegion = $("<span>", {
                     role: "status",
                     "aria-live": "polite"
                 })
                 .addClass("select2-hidden-accessible")
                 .appendTo(document.body);
             this.containerId="s2id_"+(opts.element.attr("id") || "autogen"+nextUid());
             this.containerEventName= this.containerId
                 .replace(/([.])/g, '_')
                 .replace(/([;&,\-\.\+\*\~':"\!\^#$%@\[\]\(\)=>\|])/g, '\\$1');
             this.container.attr("id", this.containerId);
             this.container.attr("title", opts.element.attr("title"));
             this.body = $("body");
             syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
             this.container.attr("style", opts.element.attr("style"));
             this.container.css(evaluate(opts.containerCss, this.opts.element));
             this.container.addClass(evaluate(opts.containerCssClass, this.opts.element));
             this.elementTabIndex = this.opts.element.attr("tabindex");
             // swap container for the element
             this.opts.element
                 .data("select2", this)
                 .attr("tabindex", "-1")
                 .before(this.container)
                 .on("click.select2", killEvent); // do not leak click events
             this.container.data("select2", this);
             this.dropdown = this.container.find(".select2-drop");
             syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
             this.dropdown.addClass(evaluate(opts.dropdownCssClass, this.opts.element));
             this.dropdown.data("select2", this);
             this.dropdown.on("click", killEvent);
             this.results = results = this.container.find(resultsSelector);
             this.search = search = this.container.find("input.select2-input");
             this.queryCount = 0;
             this.resultsPage = 0;
             this.context = null;
             // initialize the container
             this.initContainer();
             this.container.on("click", killEvent);
             installFilteredMouseMove(this.results);
             this.dropdown.on("mousemove-filtered", resultsSelector, this.bind(this.highlightUnderEvent));
             this.dropdown.on("touchstart touchmove touchend", resultsSelector, this.bind(function (event) {
                 this._touchEvent = true;
                 this.highlightUnderEvent(event);
             }));
             this.dropdown.on("touchmove", resultsSelector, this.bind(this.touchMoved));
             this.dropdown.on("touchstart touchend", resultsSelector, this.bind(this.clearTouchMoved));
             // Waiting for a click event on touch devices to select option and hide dropdown
             // otherwise click will be triggered on an underlying element
             this.dropdown.on('click', this.bind(function (event) {
                 if (this._touchEvent) {
                     this._touchEvent = false;
                     this.selectHighlighted();
+                }
             }));
             installDebouncedScroll(80, this.results);
             this.dropdown.on("scroll-debounced", resultsSelector, this.bind(this.loadMoreIfNeeded));
             // do not propagate change event from the search field out of the component
             $(this.container).on("change", ".select2-input", function(e) {e.stopPropagation();});
             $(this.dropdown).on("change", ".select2-input", function(e) {e.stopPropagation();});
             // if jquery.mousewheel plugin is installed we can prevent out-of-bounds scrolling of results via mousewheel
             if ($.fn.mousewheel) {
                 results.mousewheel(function (e, delta, deltaX, deltaY) {
                     var top = results.scrollTop();
                     if (deltaY > 0 && top - deltaY <= 0) {
                         results.scrollTop(0);
                         killEvent(e);
                     } else if (deltaY < 0 && results.get(0).scrollHeight - results.scrollTop() + deltaY <= results.height()) {
                         results.scrollTop(results.get(0).scrollHeight - results.height());
                         killEvent(e);
+                    }
                 });
+            }
             installKeyUpChangeEvent(search);
             search.on("keyup-change input paste", this.bind(this.updateResults));
             search.on("focus", function () { search.addClass("select2-focused"); });
             search.on("blur", function () { search.removeClass("select2-focused");});
             this.dropdown.on("mouseup", resultsSelector, this.bind(function (e) {
                 if ($(e.target).closest(".select2-result-selectable").length > 0) {
                     this.highlightUnderEvent(e);
                     this.selectHighlighted(e);
+                }
             }));
             // trap all mouse events from leaving the dropdown. sometimes there may be a modal that is listening
             // for mouse events outside of itself so it can close itself. since the dropdown is now outside the select2's
             // dom it will trigger the popup close, which is not what we want
             // focusin can cause focus wars between modals and select2 since the dropdown is outside the modal.
             this.dropdown.on("click mouseup mousedown touchstart touchend focusin", function (e) { e.stopPropagation(); });
             this.nextSearchTerm = undefined;
             if ($.isFunction(this.opts.initSelection)) {
                 // initialize selection based on the current value of the source element
                 this.initSelection();
                 // if the user has provided a function that can set selection based on the value of the source element
                 // we monitor the change event on the element and trigger it, allowing for two way synchronization
                 this.monitorSource();
+            }
             if (opts.maximumInputLength !== null) {
                 this.search.attr("maxlength", opts.maximumInputLength);
+            }
             var disabled = opts.element.prop("disabled");
             if (disabled === undefined) disabled = false;
             this.enable(!disabled);
             var readonly = opts.element.prop("readonly");
             if (readonly === undefined) readonly = false;
             this.readonly(readonly);
             // Calculate size of scrollbar
             scrollBarDimensions = scrollBarDimensions || measureScrollbar();
             this.autofocus = opts.element.prop("autofocus");
             opts.element.prop("autofocus", false);
             if (this.autofocus) this.focus();
             this.search.attr("placeholder", opts.searchInputPlaceholder);
         },
         // abstract
         destroy: function () {
             var element=this.opts.element, select2 = element.data("select2");
             this.close();
             if (element.length && element[0].detachEvent) {
                 element.each(function () {
                     this.detachEvent("onpropertychange", this._sync);
                 });
+            }
             if (this.propertyObserver) {
                 this.propertyObserver.disconnect();
                 this.propertyObserver = null;
+            }
             this._sync = null;
             if (select2 !== undefined) {
                 select2.container.remove();
                 select2.liveRegion.remove();
                 select2.dropdown.remove();
                 element
                     .removeClass("select2-offscreen")
                     .removeData("select2")
                     .off(".select2")
                     .prop("autofocus", this.autofocus || false);
                 if (this.elementTabIndex) {
                     element.attr({tabindex: this.elementTabIndex});
                 } else {
                     element.removeAttr("tabindex");
+                }
                 element.show();
+            }
             cleanupJQueryElements.call(this,
                 "container",
                 "liveRegion",
                 "dropdown",
                 "results",
                 "search"
             );
         },
         // abstract
         optionToData: function(element) {
             if (element.is("option")) {
                 return {
                     id:element.prop("value"),
                     text:element.text(),
                     element: element.get(),
                     css: element.attr("class"),
                     disabled: element.prop("disabled"),
                     locked: equal(element.attr("locked"), "locked") || equal(element.data("locked"), true)
                 };
             } else if (element.is("optgroup")) {
                 return {
                     text:element.attr("label"),
                     children:[],
                     element: element.get(),
                     css: element.attr("class")
                 };
+            }
         },
         // abstract
         prepareOpts: function (opts) {
             var element, select, idKey, ajaxUrl, self = this;
             element = opts.element;
             if (element.get(0).tagName.toLowerCase() === "select") {
                 this.select = select = opts.element;
+            }
             if (select) {
                 // these options are not allowed when attached to a select because they are picked up off the element itself
                 $.each(["id", "multiple", "ajax", "query", "createSearchChoice", "initSelection", "data", "tags"], function () {
                     if (this in opts) {
                         throw new Error("Option '" + this + "' is not allowed for Select2 when attached to a <select> element.");
+                    }
                 });
+            }
             opts = $.extend({}, {
                 populateResults: function(container, results, query) {
                     var populate, id=this.opts.id, liveRegion=this.liveRegion;
                     populate=function(results, container, depth) {
                         var i, l, result, selectable, disabled, compound, node, label, innerContainer, formatted;
                         results = opts.sortResults(results, container, query);
                         // collect the created nodes for bulk append
                         var nodes = [];
                         for (i = 0, l = results.length; i < l; i = i + 1) {
                             result=results[i];
                             disabled = (result.disabled === true);
                             selectable = (!disabled) && (id(result) !== undefined);
                             compound=result.children && result.children.length > 0;
                             node=$("<li></li>");
                             node.addClass("select2-results-dept-"+depth);
                             node.addClass("select2-result");
                             node.addClass(selectable ? "select2-result-selectable" : "select2-result-unselectable");
                             if (disabled) { node.addClass("select2-disabled"); }
                             if (compound) { node.addClass("select2-result-with-children"); }
                             node.addClass(self.opts.formatResultCssClass(result));
                             node.attr("role", "presentation");
                             label=$(document.createElement("div"));
                             label.addClass("select2-result-label");
                             label.attr("id", "select2-result-label-" + nextUid());
                             label.attr("role", "option");
                             formatted=opts.formatResult(result, label, query, self.opts.escapeMarkup);
                             if (formatted!==undefined) {
                                 label.html(formatted);
                                 node.append(label);
+                            }
                             if (compound) {
                                 innerContainer=$("<ul></ul>");
                                 innerContainer.addClass("select2-result-sub");
                                 populate(result.children, innerContainer, depth+1);
                                 node.append(innerContainer);
+                            }
                             node.data("select2-data", result);
                             nodes.push(node[0]);
+                        }
                         // bulk append the created nodes
                         container.append(nodes);
                         liveRegion.text(opts.formatMatches(results.length));
                     };
                     populate(results, container, 0);
+                }
             }, $.fn.select2.defaults, opts);
             if (typeof(opts.id) !== "function") {
                 idKey = opts.id;
                 opts.id = function (e) { return e[idKey]; };
+            }
             if ($.isArray(opts.element.data("select2Tags"))) {
                 if ("tags" in opts) {
                     throw "tags specified as both an attribute 'data-select2-tags' and in options of Select2 " + opts.element.attr("id");
+                }
                 opts.tags=opts.element.data("select2Tags");
+            }
             if (select) {
                 opts.query = this.bind(function (query) {
                     var data = { results: [], more: false },
                         term = query.term,
                         children, placeholderOption, process;
                     process=function(element, collection) {
                         var group;
                         if (element.is("option")) {
                             if (query.matcher(term, element.text(), element)) {
                                 collection.push(self.optionToData(element));
+                            }
                         } else if (element.is("optgroup")) {
                             group=self.optionToData(element);
                             element.children().each2(function(i, elm) { process(elm, group.children); });
                             if (group.children.length>0) {
                                 collection.push(group);
+                            }
+                        }
                     };
                     children=element.children();
                     // ignore the placeholder option if there is one
                     if (this.getPlaceholder() !== undefined && children.length > 0) {
                         placeholderOption = this.getPlaceholderOption();
                         if (placeholderOption) {
                             children=children.not(placeholderOption);
+                        }
+                    }
                     children.each2(function(i, elm) { process(elm, data.results); });
                     query.callback(data);
                 });
                 // this is needed because inside val() we construct choices from options and there id is hardcoded
                 opts.id=function(e) { return e.id; };
             } else {
                 if (!("query" in opts)) {
                     if ("ajax" in opts) {
                         ajaxUrl = opts.element.data("ajax-url");
                         if (ajaxUrl && ajaxUrl.length > 0) {
                             opts.ajax.url = ajaxUrl;
+                        }
                         opts.query = ajax.call(opts.element, opts.ajax);
                     } else if ("data" in opts) {
                         opts.query = local(opts.data);
                     } else if ("tags" in opts) {
                         opts.query = tags(opts.tags);
                         if (opts.createSearchChoice === undefined) {
                             opts.createSearchChoice = function (term) { return {id: $.trim(term), text: $.trim(term)}; };
+                        }
                         if (opts.initSelection === undefined) {
                             opts.initSelection = function (element, callback) {
                                 var data = [];
                                 $(splitVal(element.val(), opts.separator)).each(function () {
                                     var obj = { id: this, text: this },
                                         tags = opts.tags;
                                     if ($.isFunction(tags)) tags=tags();
                                     $(tags).each(function() { if (equal(this.id, obj.id)) { obj = this; return false; } });
                                     data.push(obj);
                                 });
                                 callback(data);
                             };
+                        }
+                    }
+                }
+            }
             if (typeof(opts.query) !== "function") {
                 throw "query function not defined for Select2 " + opts.element.attr("id");
+            }
             if (opts.createSearchChoicePosition === 'top') {
                 opts.createSearchChoicePosition = function(list, item) { list.unshift(item); };
+            }
             else if (opts.createSearchChoicePosition === 'bottom') {
                 opts.createSearchChoicePosition = function(list, item) { list.push(item); };
+            }
             else if (typeof(opts.createSearchChoicePosition) !== "function")  {
                 throw "invalid createSearchChoicePosition option must be 'top', 'bottom' or a custom function";
+            }
             return opts;
         },
         /**
          * Monitor the original element for changes and update select2 accordingly
          */
         // abstract
         monitorSource: function () {
             var el = this.opts.element, observer, self = this;
             el.on("change.select2", this.bind(function (e) {
                 if (this.opts.element.data("select2-change-triggered") !== true) {
                     this.initSelection();
+                }
             }));
             this._sync = this.bind(function () {
                 // sync enabled state
                 var disabled = el.prop("disabled");
                 if (disabled === undefined) disabled = false;
                 this.enable(!disabled);
                 var readonly = el.prop("readonly");
                 if (readonly === undefined) readonly = false;
                 this.readonly(readonly);
                 syncCssClasses(this.container, this.opts.element, this.opts.adaptContainerCssClass);
                 this.container.addClass(evaluate(this.opts.containerCssClass, this.opts.element));
                 syncCssClasses(this.dropdown, this.opts.element, this.opts.adaptDropdownCssClass);
                 this.dropdown.addClass(evaluate(this.opts.dropdownCssClass, this.opts.element));
             });
             // IE8-10 (IE9/10 won't fire propertyChange via attachEventListener)
             if (el.length && el[0].attachEvent) {
                 el.each(function() {
                     this.attachEvent("onpropertychange", self._sync);
                 });
+            }
             // safari, chrome, firefox, IE11
             observer = window.MutationObserver || window.WebKitMutationObserver|| window.MozMutationObserver;
             if (observer !== undefined) {
                 if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
                 this.propertyObserver = new observer(function (mutations) {
                     $.each(mutations, self._sync);
                 });
                 this.propertyObserver.observe(el.get(0), { attributes:true, subtree:false });
+            }
         },
         // abstract
         triggerSelect: function(data) {
             var evt = $.Event("select2-selecting", { val: this.id(data), object: data, choice: data });
             this.opts.element.trigger(evt);
             return !evt.isDefaultPrevented();
         },
         /**
          * Triggers the change event on the source element
          */
         // abstract
         triggerChange: function (details) {
             details = details || {};
             details= $.extend({}, details, { type: "change", val: this.val() });
             // prevents recursive triggering
             this.opts.element.data("select2-change-triggered", true);
             this.opts.element.trigger(details);
             this.opts.element.data("select2-change-triggered", false);
             // some validation frameworks ignore the change event and listen instead to keyup, click for selects
             // so here we trigger the click event manually
             this.opts.element.click();
             // ValidationEngine ignores the change event and listens instead to blur
             // so here we trigger the blur event manually if so desired
             if (this.opts.blurOnChange)
                 this.opts.element.blur();
         },
         //abstract
         isInterfaceEnabled: function()
+        {
             return this.enabledInterface === true;
         },
         // abstract
         enableInterface: function() {
             var enabled = this._enabled && !this._readonly,
                 disabled = !enabled;
             if (enabled === this.enabledInterface) return false;
             this.container.toggleClass("select2-container-disabled", disabled);
             this.close();
             this.enabledInterface = enabled;
             return true;
         },
         // abstract
         enable: function(enabled) {
             if (enabled === undefined) enabled = true;
             if (this._enabled === enabled) return;
             this._enabled = enabled;
             this.opts.element.prop("disabled", !enabled);
             this.enableInterface();
         },
         // abstract
         disable: function() {
             this.enable(false);
         },
         // abstract
         readonly: function(enabled) {
             if (enabled === undefined) enabled = false;
             if (this._readonly === enabled) return;
             this._readonly = enabled;
             this.opts.element.prop("readonly", enabled);
             this.enableInterface();
         },
         // abstract
         opened: function () {
             return (this.container) ? this.container.hasClass("select2-dropdown-open") : false;
         },
         // abstract
         positionDropdown: function() {
             var $dropdown = this.dropdown,
                 offset = this.container.offset(),
                 height = this.container.outerHeight(false),
                 width = this.container.outerWidth(false),
                 dropHeight = $dropdown.outerHeight(false),
                 $window = $(window),
                 windowWidth = $window.width(),
                 windowHeight = $window.height(),
                 viewPortRight = $window.scrollLeft() + windowWidth,
                 viewportBottom = $window.scrollTop() + windowHeight,
                 dropTop = offset.top + height,
                 dropLeft = offset.left,
                 enoughRoomBelow = dropTop + dropHeight <= viewportBottom,
                 enoughRoomAbove = (offset.top - dropHeight) >= $window.scrollTop(),
                 dropWidth = $dropdown.outerWidth(false),
                 enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight,
                 aboveNow = $dropdown.hasClass("select2-drop-above"),
                 bodyOffset,
                 above,
                 changeDirection,
                 css,
                 resultsListNode;
             // always prefer the current above/below alignment, unless there is not enough room
             if (aboveNow) {
                 above = true;
                 if (!enoughRoomAbove && enoughRoomBelow) {
                     changeDirection = true;
                     above = false;
+                }
             } else {
                 above = false;
                 if (!enoughRoomBelow && enoughRoomAbove) {
                     changeDirection = true;
                     above = true;
+                }
+            }
             //if we are changing direction we need to get positions when dropdown is hidden;
             if (changeDirection) {
                 $dropdown.hide();
                 offset = this.container.offset();
                 height = this.container.outerHeight(false);
                 width = this.container.outerWidth(false);
                 dropHeight = $dropdown.outerHeight(false);
                 viewPortRight = $window.scrollLeft() + windowWidth;
                 viewportBottom = $window.scrollTop() + windowHeight;
                 dropTop = offset.top + height;
                 dropLeft = offset.left;
                 dropWidth = $dropdown.outerWidth(false);
                 enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
                 $dropdown.show();
                 // fix so the cursor does not move to the left within the search-textbox in IE
                 this.focusSearch();
+            }
             if (this.opts.dropdownAutoWidth) {
                 resultsListNode = $('.select2-results', $dropdown)[0];
                 $dropdown.addClass('select2-drop-auto-width');
                 $dropdown.css('width', '');
                 // Add scrollbar width to dropdown if vertical scrollbar is present
                 dropWidth = $dropdown.outerWidth(false) + (resultsListNode.scrollHeight === resultsListNode.clientHeight ? 0 : scrollBarDimensions.width);
                 dropWidth > width ? width = dropWidth : dropWidth = width;
                 dropHeight = $dropdown.outerHeight(false);
                 enoughRoomOnRight = dropLeft + dropWidth <= viewPortRight;
+            }
             else {
                 this.container.removeClass('select2-drop-auto-width');
+            }
             //console.log("below/ droptop:", dropTop, "dropHeight", dropHeight, "sum", (dropTop+dropHeight)+" viewport bottom", viewportBottom, "enough?", enoughRoomBelow);
             //console.log("above/ offset.top", offset.top, "dropHeight", dropHeight, "top", (offset.top-dropHeight), "scrollTop", this.body.scrollTop(), "enough?", enoughRoomAbove);
             // fix positioning when body has an offset and is not position: static
             if (this.body.css('position') !== 'static') {
                 bodyOffset = this.body.offset();
                 dropTop -= bodyOffset.top;
                 dropLeft -= bodyOffset.left;
+            }
             if (!enoughRoomOnRight) {
                 dropLeft = offset.left + this.container.outerWidth(false) - dropWidth;
+            }
             css =  {
                 left: dropLeft,
                 width: width
             };
             if (above) {
                 css.top = offset.top - dropHeight;
                 css.bottom = 'auto';
                 this.container.addClass("select2-drop-above");
                 $dropdown.addClass("select2-drop-above");
+            }
             else {
                 css.top = dropTop;
                 css.bottom = 'auto';
                 this.container.removeClass("select2-drop-above");
                 $dropdown.removeClass("select2-drop-above");
+            }
             css = $.extend(css, evaluate(this.opts.dropdownCss, this.opts.element));
             $dropdown.css(css);
         },
         // abstract
         shouldOpen: function() {
             var event;
             if (this.opened()) return false;
             if (this._enabled === false || this._readonly === true) return false;
             event = $.Event("select2-opening");
             this.opts.element.trigger(event);
             return !event.isDefaultPrevented();
         },
         // abstract
         clearDropdownAlignmentPreference: function() {
             // clear the classes used to figure out the preference of where the dropdown should be opened
             this.container.removeClass("select2-drop-above");
             this.dropdown.removeClass("select2-drop-above");
         },
         /**
          * Opens the dropdown
+         *
          * @return {Boolean} whether or not dropdown was opened. This method will return false if, for example,
          * the dropdown is already open, or if the 'open' event listener on the element called preventDefault().
          */
         // abstract
         open: function () {
             if (!this.shouldOpen()) return false;
             this.opening();
             // Only bind the document mousemove when the dropdown is visible
             $document.on("mousemove.select2Event", function (e) {
                 lastMousePosition.x = e.pageX;
                 lastMousePosition.y = e.pageY;
             });
             return true;
         },
         /**
          * Performs the opening of the dropdown
          */
         // abstract
         opening: function() {
             var cid = this.containerEventName,
                 scroll = "scroll." + cid,
                 resize = "resize."+cid,
                 orient = "orientationchange."+cid,
                 mask;
             this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
             this.clearDropdownAlignmentPreference();
             if(this.dropdown[0] !== this.body.children().last()[0]) {
                 this.dropdown.detach().appendTo(this.body);
+            }
             // create the dropdown mask if doesn't already exist
             mask = $("#select2-drop-mask");
             if (mask.length == 0) {
                 mask = $(document.createElement("div"));
                 mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
                 mask.hide();
                 mask.appendTo(this.body);
                 mask.on("mousedown touchstart click", function (e) {
                     // Prevent IE from generating a click event on the body
                     reinsertElement(mask);
                     var dropdown = $("#select2-drop"), self;
                     if (dropdown.length > 0) {
                         self=dropdown.data("select2");
                         if (self.opts.selectOnBlur) {
                             self.selectHighlighted({noFocus: true});
+                        }
                         self.close();
                         e.preventDefault();
                         e.stopPropagation();
+                    }
                 });
+            }
             // ensure the mask is always right before the dropdown
             if (this.dropdown.prev()[0] !== mask[0]) {
                 this.dropdown.before(mask);
+            }
             // move the global id to the correct dropdown
             $("#select2-drop").removeAttr("id");
             this.dropdown.attr("id", "select2-drop");
             // show the elements
             mask.show();
             this.positionDropdown();
             this.dropdown.show();
             this.positionDropdown();
             this.dropdown.addClass("select2-drop-active");
             // attach listeners to events that can change the position of the container and thus require
             // the position of the dropdown to be updated as well so it does not come unglued from the container
             var that = this;
             this.container.parents().add(window).each(function () {
                 $(this).on(resize+" "+scroll+" "+orient, function (e) {
                     if (that.opened()) that.positionDropdown();
                 });
             });
         },
         // abstract
         close: function () {
             if (!this.opened()) return;
             var cid = this.containerEventName,
                 scroll = "scroll." + cid,
                 resize = "resize."+cid,
                 orient = "orientationchange."+cid;
             // unbind event listeners
             this.container.parents().add(window).each(function () { $(this).off(scroll).off(resize).off(orient); });
             this.clearDropdownAlignmentPreference();
             $("#select2-drop-mask").hide();
             this.dropdown.removeAttr("id"); // only the active dropdown has the select2-drop id
             this.dropdown.hide();
             this.container.removeClass("select2-dropdown-open").removeClass("select2-container-active");
             this.results.empty();
             // Now that the dropdown is closed, unbind the global document mousemove event
             $document.off("mousemove.select2Event");
             this.clearSearch();
             this.search.removeClass("select2-active");
             this.opts.element.trigger($.Event("select2-close"));
         },
         /**
          * Opens control, sets input value, and updates results.
          */
         // abstract
         externalSearch: function (term) {
             this.open();
             this.search.val(term);
             this.updateResults(false);
         },
         // abstract
         clearSearch: function () {
         },
         //abstract
         getMaximumSelectionSize: function() {
             return evaluate(this.opts.maximumSelectionSize, this.opts.element);
         },
         // abstract
         ensureHighlightVisible: function () {
             var results = this.results, children, index, child, hb, rb, y, more, topOffset;
             index = this.highlight();
             if (index < 0) return;
             if (index == 0) {
                 // if the first element is highlighted scroll all the way to the top,
                 // that way any unselectable headers above it will also be scrolled
                 // into view
                 results.scrollTop(0);
                 return;
+            }
             children = this.findHighlightableChoices().find('.select2-result-label');
             child = $(children[index]);
             topOffset = (child.offset() || {}).top || 0;
             hb = topOffset + child.outerHeight(true);
             // if this is the last child lets also make sure select2-more-results is visible
             if (index === children.length - 1) {
                 more = results.find("li.select2-more-results");
                 if (more.length > 0) {
                     hb = more.offset().top + more.outerHeight(true);
+                }
+            }
             rb = results.offset().top + results.outerHeight(true);
             if (hb > rb) {
                 results.scrollTop(results.scrollTop() + (hb - rb));
+            }
             y = topOffset - results.offset().top;
             // make sure the top of the element is visible
             if (y < 0 && child.css('display') != 'none' ) {
                 results.scrollTop(results.scrollTop() + y); // y is negative
+            }
         },
         // abstract
         findHighlightableChoices: function() {
             return this.results.find(".select2-result-selectable:not(.select2-disabled):not(.select2-selected)");
         },
         // abstract
         moveHighlight: function (delta) {
             var choices = this.findHighlightableChoices(),
                 index = this.highlight();
             while (index > -1 && index < choices.length) {
                 index += delta;
                 var choice = $(choices[index]);
                 if (choice.hasClass("select2-result-selectable") && !choice.hasClass("select2-disabled") && !choice.hasClass("select2-selected")) {
                     this.highlight(index);
                     break;
+                }
+            }
         },
         // abstract
         highlight: function (index) {
             var choices = this.findHighlightableChoices(),
                 choice,
                 data;
             if (arguments.length === 0) {
                 return indexOf(choices.filter(".select2-highlighted")[0], choices.get());
+            }
             if (index >= choices.length) index = choices.length - 1;
             if (index < 0) index = 0;
             this.removeHighlight();
             choice = $(choices[index]);
             choice.addClass("select2-highlighted");
             // ensure assistive technology can determine the active choice
             this.search.attr("aria-activedescendant", choice.find(".select2-result-label").attr("id"));
             this.ensureHighlightVisible();
             this.liveRegion.text(choice.text());
             data = choice.data("select2-data");
             if (data) {
                 this.opts.element.trigger({ type: "select2-highlight", val: this.id(data), choice: data });
+            }
         },
         removeHighlight: function() {
             this.results.find(".select2-highlighted").removeClass("select2-highlighted");
         },
         touchMoved: function() {
             this._touchMoved = true;
         },
         clearTouchMoved: function() {
           this._touchMoved = false;
         },
         // abstract
         countSelectableResults: function() {
             return this.findHighlightableChoices().length;
         },
         // abstract
         highlightUnderEvent: function (event) {
             var el = $(event.target).closest(".select2-result-selectable");
             if (el.length > 0 && !el.is(".select2-highlighted")) {
                 var choices = this.findHighlightableChoices();
                 this.highlight(choices.index(el));
             } else if (el.length == 0) {
                 // if we are over an unselectable item remove all highlights
                 this.removeHighlight();
+            }
         },
         // abstract
         loadMoreIfNeeded: function () {
             var results = this.results,
                 more = results.find("li.select2-more-results"),
                 below, // pixels the element is below the scroll fold, below==0 is when the element is starting to be visible
                 page = this.resultsPage + 1,
                 self=this,
                 term=this.search.val(),
                 context=this.context;
             if (more.length === 0) return;
             below = more.offset().top - results.offset().top - results.height();
             if (below <= this.opts.loadMorePadding) {
                 more.addClass("select2-active");
                 this.opts.query({
                         element: this.opts.element,
                         term: term,
                         page: page,
                         context: context,
                         matcher: this.opts.matcher,
                         callback: this.bind(function (data) {
                     // ignore a response if the select2 has been closed before it was received
                     if (!self.opened()) return;
                     self.opts.populateResults.call(this, results, data.results, {term: term, page: page, context:context});
                     self.postprocessResults(data, false, false);
                     if (data.more===true) {
                         more.detach().appendTo(results).text(evaluate(self.opts.formatLoadMore, self.opts.element, page+1));
                         window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
                     } else {
                         more.remove();
+                    }
                     self.positionDropdown();
                     self.resultsPage = page;
                     self.context = data.context;
                     this.opts.element.trigger({ type: "select2-loaded", items: data });
                 })});
+            }
         },
         /**
          * Default tokenizer function which does nothing
          */
         tokenize: function() {
         },
         /**
          * @param initial whether or not this is the call to this method right after the dropdown has been opened
          */
         // abstract
         updateResults: function (initial) {
             var search = this.search,
                 results = this.results,
                 opts = this.opts,
                 data,
                 self = this,
                 input,
                 term = search.val(),
                 lastTerm = $.data(this.container, "select2-last-term"),
                 // sequence number used to drop out-of-order responses
                 queryNumber;
             // prevent duplicate queries against the same term
             if (initial !== true && lastTerm && equal(term, lastTerm)) return;
             $.data(this.container, "select2-last-term", term);
             // if the search is currently hidden we do not alter the results
             if (initial !== true && (this.showSearchInput === false || !this.opened())) {
                 return;
+            }
             function postRender() {
                 search.removeClass("select2-active");
                 self.positionDropdown();
                 if (results.find('.select2-no-results,.select2-selection-limit,.select2-searching').length) {
                     self.liveRegion.text(results.text());
+                }
                 else {
                     self.liveRegion.text(self.opts.formatMatches(results.find('.select2-result-selectable').length));
+                }
+            }
             function render(html) {
                 results.html(html);
                 postRender();
+            }
             queryNumber = ++this.queryCount;
             var maxSelSize = this.getMaximumSelectionSize();
             if (maxSelSize >=1) {
                 data = this.data();
                 if ($.isArray(data) && data.length >= maxSelSize && checkFormatter(opts.formatSelectionTooBig, "formatSelectionTooBig")) {
                     render("<li class='select2-selection-limit'>" + evaluate(opts.formatSelectionTooBig, opts.element, maxSelSize) + "</li>");
                     return;
+                }
+            }
             if (search.val().length < opts.minimumInputLength) {
                 if (checkFormatter(opts.formatInputTooShort, "formatInputTooShort")) {
                     render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooShort, opts.element, search.val(), opts.minimumInputLength) + "</li>");
                 } else {
                     render("");
+                }
                 if (initial && this.showSearch) this.showSearch(true);
                 return;
+            }
             if (opts.maximumInputLength && search.val().length > opts.maximumInputLength) {
                 if (checkFormatter(opts.formatInputTooLong, "formatInputTooLong")) {
                     render("<li class='select2-no-results'>" + evaluate(opts.formatInputTooLong, opts.element, search.val(), opts.maximumInputLength) + "</li>");
                 } else {
                     render("");
+                }
                 return;
+            }
             if (opts.formatSearching && this.findHighlightableChoices().length === 0) {
                 render("<li class='select2-searching'>" + evaluate(opts.formatSearching, opts.element) + "</li>");
+            }
             search.addClass("select2-active");
             this.removeHighlight();
             // give the tokenizer a chance to pre-process the input
             input = this.tokenize();
             if (input != undefined && input != null) {
                 search.val(input);
+            }
             this.resultsPage = 1;
             opts.query({
                 element: opts.element,
                     term: search.val(),
                     page: this.resultsPage,
                     context: null,
                     matcher: opts.matcher,
                     callback: this.bind(function (data) {
                 var def; // default choice
                 // ignore old responses
                 if (queryNumber != this.queryCount) {
                   return;
+                }
                 // ignore a response if the select2 has been closed before it was received
                 if (!this.opened()) {
                     this.search.removeClass("select2-active");
                     return;
+                }
                 // save context, if any
                 this.context = (data.context===undefined) ? null : data.context;
                 // create a default choice and prepend it to the list
                 if (this.opts.createSearchChoice && search.val() !== "") {
                     def = this.opts.createSearchChoice.call(self, search.val(), data.results);
                     if (def !== undefined && def !== null && self.id(def) !== undefined && self.id(def) !== null) {
                         if ($(data.results).filter(
                             function () {
                                 return equal(self.id(this), self.id(def));
                             }).length === 0) {
                             this.opts.createSearchChoicePosition(data.results, def);
+                        }
+                    }
+                }
                 if (data.results.length === 0 && checkFormatter(opts.formatNoMatches, "formatNoMatches")) {
                     render("<li class='select2-no-results'>" + evaluate(opts.formatNoMatches, opts.element, search.val()) + "</li>");
                     return;
+                }
                 results.empty();
                 self.opts.populateResults.call(this, results, data.results, {term: search.val(), page: this.resultsPage, context:null});
                 if (data.more === true && checkFormatter(opts.formatLoadMore, "formatLoadMore")) {
                     results.append("<li class='select2-more-results'>" + opts.escapeMarkup(evaluate(opts.formatLoadMore, opts.element, this.resultsPage)) + "</li>");
                     window.setTimeout(function() { self.loadMoreIfNeeded(); }, 10);
+                }
                 this.postprocessResults(data, initial);
                 postRender();
                 this.opts.element.trigger({ type: "select2-loaded", items: data });
             })});
         },
         // abstract
         cancel: function () {
             this.close();
         },
         // abstract
         blur: function () {
             // if selectOnBlur == true, select the currently highlighted option
             if (this.opts.selectOnBlur)
                 this.selectHighlighted({noFocus: true});
             this.close();
             this.container.removeClass("select2-container-active");
             // synonymous to .is(':focus'), which is available in jquery >= 1.6
             if (this.search[0] === document.activeElement) { this.search.blur(); }
             this.clearSearch();
             this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
         },
         // abstract
         focusSearch: function () {
             focus(this.search);
         },
         // abstract
         selectHighlighted: function (options) {
             if (this._touchMoved) {
               this.clearTouchMoved();
               return;
+            }
             var index=this.highlight(),
                 highlighted=this.results.find(".select2-highlighted"),
                 data = highlighted.closest('.select2-result').data("select2-data");
             if (data) {
                 this.highlight(index);
                 this.onSelect(data, options);
             } else if (options && options.noFocus) {
                 this.close();
+            }
         },
         // abstract
         getPlaceholder: function () {
             var placeholderOption;
             return this.opts.element.attr("placeholder") ||
                 this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
                 this.opts.element.data("placeholder") ||
                 this.opts.placeholder ||
                 ((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
         },
         // abstract
         getPlaceholderOption: function() {
             if (this.select) {
                 var firstOption = this.select.children('option').first();
                 if (this.opts.placeholderOption !== undefined ) {
                     //Determine the placeholder option based on the specified placeholderOption setting
                     return (this.opts.placeholderOption === "first" && firstOption) ||
                            (typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
                 } else if ($.trim(firstOption.text()) === "" && firstOption.val() === "") {
                     //No explicit placeholder option specified, use the first if it's blank
                     return firstOption;
+                }
+            }
         },
         /**
          * Get the desired width for the container element.  This is
          * derived first from option `width` passed to select2, then
          * the inline 'style' on the original element, and finally
          * falls back to the jQuery calculated element width.
          */
         // abstract
         initContainerWidth: function () {
             function resolveContainerWidth() {
                 var style, attrs, matches, i, l, attr;
                 if (this.opts.width === "off") {
                     return null;
                 } else if (this.opts.width === "element"){
                     return this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px';
                 } else if (this.opts.width === "copy" || this.opts.width === "resolve") {
                     // check if there is inline style on the element that contains width
                     style = this.opts.element.attr('style');
                     if (style !== undefined) {
                         attrs = style.split(';');
                         for (i = 0, l = attrs.length; i < l; i = i + 1) {
                             attr = attrs[i].replace(/\s/g, '');
                             matches = attr.match(/^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i);
                             if (matches !== null && matches.length >= 1)
                                 return matches[1];
+                        }
+                    }
                     if (this.opts.width === "resolve") {
                         // next check if css('width') can resolve a width that is percent based, this is sometimes possible
                         // when attached to input type=hidden or elements hidden via css
                         style = this.opts.element.css('width');
                         if (style.indexOf("%") > 0) return style;
                         // finally, fallback on the calculated width of the element
                         return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
+                    }
                     return null;
                 } else if ($.isFunction(this.opts.width)) {
                     return this.opts.width();
                 } else {
                     return this.opts.width;
+               }
             };
             var width = resolveContainerWidth.call(this);
             if (width !== null) {
                 this.container.css("width", width);
+            }
+        }
     });
     SingleSelect2 = clazz(AbstractSelect2, {
         // single
         createContainer: function () {
             var container = $(document.createElement("div")).attr({
                 "class": "select2-container"
             }).html([
                 "<a href='javascript:void(0)' class='select2-choice' tabindex='-1'>",
                 "   <span class='select2-chosen'>&#160;</span><abbr class='select2-search-choice-close'></abbr>",
                 "   <span class='select2-arrow' role='presentation'><b role='presentation'></b></span>",
                 "</a>",
                 "<label for='' class='select2-offscreen'></label>",
                 "<input class='select2-focusser select2-offscreen' type='text' aria-haspopup='true' role='button' />",
                 "<div class='select2-drop select2-display-none'>",
                 "   <div class='select2-search'>",
                 "       <label for='' class='select2-offscreen'></label>",
                 "       <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input' role='combobox' aria-expanded='true'",
                 "       aria-autocomplete='list' />",
                 "   </div>",
                 "   <ul class='select2-results' role='listbox'>",
                 "   </ul>",
                 "</div>"].join(""));
             return container;
         },
         // single
         enableInterface: function() {
             if (this.parent.enableInterface.apply(this, arguments)) {
                 this.focusser.prop("disabled", !this.isInterfaceEnabled());
+            }
         },
         // single
         opening: function () {
             var el, range, len;
             if (this.opts.minimumResultsForSearch >= 0) {
                 this.showSearch(true);
+            }
             this.parent.opening.apply(this, arguments);
             if (this.showSearchInput !== false) {
                 // IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
                 // all other browsers handle this just fine
                 this.search.val(this.focusser.val());
+            }
             if (this.opts.shouldFocusInput(this)) {
                 this.search.focus();
                 // move the cursor to the end after focussing, otherwise it will be at the beginning and
                 // new text will appear *before* focusser.val()
                 el = this.search.get(0);
                 if (el.createTextRange) {
                     range = el.createTextRange();
                     range.collapse(false);
                     range.select();
                 } else if (el.setSelectionRange) {
                     len = this.search.val().length;
                     el.setSelectionRange(len, len);
+                }
+            }
             // initializes search's value with nextSearchTerm (if defined by user)
             // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
             if(this.search.val() === "") {
                 if(this.nextSearchTerm != undefined){
                     this.search.val(this.nextSearchTerm);
                     this.search.select();
+                }
+            }
             this.focusser.prop("disabled", true).val("");
             this.updateResults(true);
             this.opts.element.trigger($.Event("select2-open"));
         },
         // single
         close: function () {
             if (!this.opened()) return;
             this.parent.close.apply(this, arguments);
             this.focusser.prop("disabled", false);
             if (this.opts.shouldFocusInput(this)) {
                 this.focusser.focus();
+            }
         },
         // single
         focus: function () {
             if (this.opened()) {
                 this.close();
             } else {
                 this.focusser.prop("disabled", false);
                 if (this.opts.shouldFocusInput(this)) {
                     this.focusser.focus();
+                }
+            }
         },
         // single
         isFocused: function () {
             return this.container.hasClass("select2-container-active");
         },
         // single
         cancel: function () {
             this.parent.cancel.apply(this, arguments);
             this.focusser.prop("disabled", false);
             if (this.opts.shouldFocusInput(this)) {
                 this.focusser.focus();
+            }
         },
         // single
         destroy: function() {
             $("label[for='" + this.focusser.attr('id') + "']")
                 .attr('for', this.opts.element.attr("id"));
             this.parent.destroy.apply(this, arguments);
             cleanupJQueryElements.call(this,
                 "selection",
                 "focusser"
             );
         },
         // single
         initContainer: function () {
             var selection,
                 container = this.container,
                 dropdown = this.dropdown,
                 idSuffix = nextUid(),
                 elementLabel;
             if (this.opts.minimumResultsForSearch < 0) {
                 this.showSearch(false);
             } else {
                 this.showSearch(true);
+            }
             this.selection = selection = container.find(".select2-choice");
             this.focusser = container.find(".select2-focusser");
             // add aria associations
             selection.find(".select2-chosen").attr("id", "select2-chosen-"+idSuffix);
             this.focusser.attr("aria-labelledby", "select2-chosen-"+idSuffix);
             this.results.attr("id", "select2-results-"+idSuffix);
             this.search.attr("aria-owns", "select2-results-"+idSuffix);
             // rewrite labels from original element to focusser
             this.focusser.attr("id", "s2id_autogen"+idSuffix);
             elementLabel = $("label[for='" + this.opts.element.attr("id") + "']");
             this.focusser.prev()
                 .text(elementLabel.text())
                 .attr('for', this.focusser.attr('id'));
             // Ensure the original element retains an accessible name
             var originalTitle = this.opts.element.attr("title");
             this.opts.element.attr("title", (originalTitle || elementLabel.text()));
             this.focusser.attr("tabindex", this.elementTabIndex);
             // write label for search field using the label from the focusser element
             this.search.attr("id", this.focusser.attr('id') + '_search');
             this.search.prev()
                 .text($("label[for='" + this.focusser.attr('id') + "']").text())
                 .attr('for', this.search.attr('id'));
             this.search.on("keydown", this.bind(function (e) {
                 if (!this.isInterfaceEnabled()) return;
                 if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
                     // prevent the page from scrolling
                     killEvent(e);
                     return;
+                }
                 switch (e.which) {
                     case KEY.UP:
                     case KEY.DOWN:
                         this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
                         killEvent(e);
                         return;
                     case KEY.ENTER:
                         this.selectHighlighted();
                         killEvent(e);
                         return;
                     case KEY.TAB:
                         this.selectHighlighted({noFocus: true});
                         return;
                     case KEY.ESC:
                         this.cancel(e);
                         killEvent(e);
                         return;
+                }
             }));
             this.search.on("blur", this.bind(function(e) {
                 // a workaround for chrome to keep the search field focussed when the scroll bar is used to scroll the dropdown.
                 // without this the search field loses focus which is annoying
                 if (document.activeElement === this.body.get(0)) {
                     window.setTimeout(this.bind(function() {
                         if (this.opened()) {
                             this.search.focus();
+                        }
                     }), 0);
+                }
             }));
             this.focusser.on("keydown", this.bind(function (e) {
                 if (!this.isInterfaceEnabled()) return;
                 if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e) || e.which === KEY.ESC) {
                     return;
+                }
                 if (this.opts.openOnEnter === false && e.which === KEY.ENTER) {
                     killEvent(e);
                     return;
+                }
                 if (e.which == KEY.DOWN || e.which == KEY.UP
                     || (e.which == KEY.ENTER && this.opts.openOnEnter)) {
                     if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
                     this.open();
                     killEvent(e);
                     return;
+                }
                 if (e.which == KEY.DELETE || e.which == KEY.BACKSPACE) {
                     if (this.opts.allowClear) {
                         this.clear();
+                    }
                     killEvent(e);
                     return;
+                }
             }));
             installKeyUpChangeEvent(this.focusser);
             this.focusser.on("keyup-change input", this.bind(function(e) {
                 if (this.opts.minimumResultsForSearch >= 0) {
                     e.stopPropagation();
                     if (this.opened()) return;
                     this.open();
+                }
             }));
             selection.on("mousedown touchstart", "abbr", this.bind(function (e) {
                 if (!this.isInterfaceEnabled()) return;
                 this.clear();
                 killEventImmediately(e);
                 this.close();
                 this.selection.focus();
             }));
             selection.on("mousedown touchstart", this.bind(function (e) {
                 // Prevent IE from generating a click event on the body
                 reinsertElement(selection);
                 if (!this.container.hasClass("select2-container-active")) {
                     this.opts.element.trigger($.Event("select2-focus"));
+                }
                 if (this.opened()) {
                     this.close();
                 } else if (this.isInterfaceEnabled()) {
                     this.open();
+                }
                 killEvent(e);
             }));
             dropdown.on("mousedown touchstart", this.bind(function() {
                 if (this.opts.shouldFocusInput(this)) {
                     this.search.focus();
+                }
             }));
             selection.on("focus", this.bind(function(e) {
                 killEvent(e);
             }));
             this.focusser.on("focus", this.bind(function(){
                 if (!this.container.hasClass("select2-container-active")) {
                     this.opts.element.trigger($.Event("select2-focus"));
+                }
                 this.container.addClass("select2-container-active");
             })).on("blur", this.bind(function() {
                 if (!this.opened()) {
                     this.container.removeClass("select2-container-active");
                     this.opts.element.trigger($.Event("select2-blur"));
+                }
             }));
             this.search.on("focus", this.bind(function(){
                 if (!this.container.hasClass("select2-container-active")) {
                     this.opts.element.trigger($.Event("select2-focus"));
+                }
                 this.container.addClass("select2-container-active");
             }));
             this.initContainerWidth();
             this.opts.element.addClass("select2-offscreen");
             this.setPlaceholder();
         },
         // single
         clear: function(triggerChange) {
             var data=this.selection.data("select2-data");
             if (data) { // guard against queued quick consecutive clicks
                 var evt = $.Event("select2-clearing");
                 this.opts.element.trigger(evt);
                 if (evt.isDefaultPrevented()) {
                     return;
+                }
                 var placeholderOption = this.getPlaceholderOption();
                 this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
                 this.selection.find(".select2-chosen").empty();
                 this.selection.removeData("select2-data");
                 this.setPlaceholder();
                 if (triggerChange !== false){
                     this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
                     this.triggerChange({removed:data});
+                }
+            }
         },
         /**
          * Sets selection based on source element's value
          */
         // single
         initSelection: function () {
             var selected;
             if (this.isPlaceholderOptionSelected()) {
                 this.updateSelection(null);
                 this.close();
                 this.setPlaceholder();
             } else {
                 var self = this;
                 this.opts.initSelection.call(null, this.opts.element, function(selected){
                     if (selected !== undefined && selected !== null) {
                         self.updateSelection(selected);
                         self.close();
                         self.setPlaceholder();
                         self.nextSearchTerm = self.opts.nextSearchTerm(selected, self.search.val());
+                    }
                 });
+            }
         },
         isPlaceholderOptionSelected: function() {
             var placeholderOption;
             if (this.getPlaceholder() === undefined) return false; // no placeholder specified so no option should be considered
             return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.prop("selected"))
                 || (this.opts.element.val() === "")
                 || (this.opts.element.val() === undefined)
                 || (this.opts.element.val() === null);
         },
         // single
         prepareOpts: function () {
             var opts = this.parent.prepareOpts.apply(this, arguments),
                 self=this;
             if (opts.element.get(0).tagName.toLowerCase() === "select") {
                 // install the selection initializer
                 opts.initSelection = function (element, callback) {
                     var selected = element.find("option").filter(function() { return this.selected && !this.disabled });
                     // a single select box always has a value, no need to null check 'selected'
                     callback(self.optionToData(selected));
                 };
             } else if ("data" in opts) {
                 // install default initSelection when applied to hidden input and data is local
                 opts.initSelection = opts.initSelection || function (element, callback) {
                     var id = element.val();
                     //search in data by id, storing the actual matching item
                     var match = null;
                     opts.query({
                         matcher: function(term, text, el){
                             var is_match = equal(id, opts.id(el));
                             if (is_match) {
                                 match = el;
+                            }
                             return is_match;
                         },
                         callback: !$.isFunction(callback) ? $.noop : function() {
                             callback(match);
+                        }
                     });
                 };
+            }
             return opts;
         },
         // single
         getPlaceholder: function() {
             // if a placeholder is specified on a single select without a valid placeholder option ignore it
             if (this.select) {
                 if (this.getPlaceholderOption() === undefined) {
                     return undefined;
+                }
+            }
             return this.parent.getPlaceholder.apply(this, arguments);
         },
         // single
         setPlaceholder: function () {
             var placeholder = this.getPlaceholder();
             if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
                 // check for a placeholder option if attached to a select
                 if (this.select && this.getPlaceholderOption() === undefined) return;
                 this.selection.find(".select2-chosen").html(this.opts.escapeMarkup(placeholder));
                 this.selection.addClass("select2-default");
                 this.container.removeClass("select2-allowclear");
+            }
         },
         // single
         postprocessResults: function (data, initial, noHighlightUpdate) {
             var selected = 0, self = this, showSearchInput = true;
             // find the selected element in the result list
             this.findHighlightableChoices().each2(function (i, elm) {
                 if (equal(self.id(elm.data("select2-data")), self.opts.element.val())) {
                     selected = i;
                     return false;
+                }
             });
             // and highlight it
             if (noHighlightUpdate !== false) {
                 if (initial === true && selected >= 0) {
                     this.highlight(selected);
                 } else {
                     this.highlight(0);
+                }
+            }
             // hide the search box if this is the first we got the results and there are enough of them for search
             if (initial === true) {
                 var min = this.opts.minimumResultsForSearch;
                 if (min >= 0) {
                     this.showSearch(countResults(data.results) >= min);
+                }
+            }
         },
         // single
         showSearch: function(showSearchInput) {
             if (this.showSearchInput === showSearchInput) return;
             this.showSearchInput = showSearchInput;
             this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
             this.dropdown.find(".select2-search").toggleClass("select2-offscreen", !showSearchInput);
             //add "select2-with-searchbox" to the container if search box is shown
             $(this.dropdown, this.container).toggleClass("select2-with-searchbox", showSearchInput);
         },
         // single
         onSelect: function (data, options) {
             if (!this.triggerSelect(data)) { return; }
             var old = this.opts.element.val(),
                 oldData = this.data();
             this.opts.element.val(this.id(data));
             this.updateSelection(data);
             this.opts.element.trigger({ type: "select2-selected", val: this.id(data), choice: data });
             this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
             this.close();
             if ((!options || !options.noFocus) && this.opts.shouldFocusInput(this)) {
                 this.focusser.focus();
+            }
             if (!equal(old, this.id(data))) {
                 this.triggerChange({ added: data, removed: oldData });
+            }
         },
         // single
         updateSelection: function (data) {
             var container=this.selection.find(".select2-chosen"), formatted, cssClass;
             this.selection.data("select2-data", data);
             container.empty();
             if (data !== null) {
                 formatted=this.opts.formatSelection(data, container, this.opts.escapeMarkup);
+            }
             if (formatted !== undefined) {
                 container.append(formatted);
+            }
             cssClass=this.opts.formatSelectionCssClass(data, container);
             if (cssClass !== undefined) {
                 container.addClass(cssClass);
+            }
             this.selection.removeClass("select2-default");
             if (this.opts.allowClear && this.getPlaceholder() !== undefined) {
                 this.container.addClass("select2-allowclear");
+            }
         },
         // single
         val: function () {
             var val,
                 triggerChange = false,
                 data = null,
                 self = this,
                 oldData = this.data();
             if (arguments.length === 0) {
                 return this.opts.element.val();
+            }
             val = arguments[0];
             if (arguments.length > 1) {
                 triggerChange = arguments[1];
+            }
             if (this.select) {
                 this.select
                     .val(val)
                     .find("option").filter(function() { return this.selected }).each2(function (i, elm) {
                         data = self.optionToData(elm);
                         return false;
                     });
                 this.updateSelection(data);
                 this.setPlaceholder();
                 if (triggerChange) {
                     this.triggerChange({added: data, removed:oldData});
+                }
             } else {
                 // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
                 if (!val && val !== 0) {
                     this.clear(triggerChange);
                     return;
+                }
                 if (this.opts.initSelection === undefined) {
                     throw new Error("cannot call val() if initSelection() is not defined");
+                }
                 this.opts.element.val(val);
                 this.opts.initSelection(this.opts.element, function(data){
                     self.opts.element.val(!data ? "" : self.id(data));
                     self.updateSelection(data);
                     self.setPlaceholder();
                     if (triggerChange) {
                         self.triggerChange({added: data, removed:oldData});
+                    }
                 });
+            }
         },
         // single
         clearSearch: function () {
             this.search.val("");
             this.focusser.val("");
         },
         // single
         data: function(value) {
             var data,
                 triggerChange = false;
             if (arguments.length === 0) {
                 data = this.selection.data("select2-data");
                 if (data == undefined) data = null;
                 return data;
             } else {
                 if (arguments.length > 1) {
                     triggerChange = arguments[1];
+                }
                 if (!value) {
                     this.clear(triggerChange);
                 } else {
                     data = this.data();
                     this.opts.element.val(!value ? "" : this.id(value));
                     this.updateSelection(value);
                     if (triggerChange) {
                         this.triggerChange({added: value, removed:data});
+                    }
+                }
+            }
+        }
     });
     MultiSelect2 = clazz(AbstractSelect2, {
         // multi
         createContainer: function () {
             var container = $(document.createElement("div")).attr({
                 "class": "select2-container select2-container-multi"
             }).html([
                 "<ul class='select2-choices'>",
                 "  <li class='select2-search-field'>",
                 "    <label for='' class='select2-offscreen'></label>",
                 "    <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'>",
                 "  </li>",
                 "</ul>",
                 "<div class='select2-drop select2-drop-multi select2-display-none'>",
                 "   <ul class='select2-results'>",
                 "   </ul>",
                 "</div>"].join(""));
             return container;
         },
         // multi
         prepareOpts: function () {
             var opts = this.parent.prepareOpts.apply(this, arguments),
                 self=this;
             // TODO validate placeholder is a string if specified
             if (opts.element.get(0).tagName.toLowerCase() === "select") {
                 // install the selection initializer
                 opts.initSelection = function (element, callback) {
                     var data = [];
                     element.find("option").filter(function() { return this.selected && !this.disabled }).each2(function (i, elm) {
                         data.push(self.optionToData(elm));
                     });
                     callback(data);
                 };
             } else if ("data" in opts) {
                 // install default initSelection when applied to hidden input and data is local
                 opts.initSelection = opts.initSelection || function (element, callback) {
                     var ids = splitVal(element.val(), opts.separator);
                     //search in data by array of ids, storing matching items in a list
                     var matches = [];
                     opts.query({
                         matcher: function(term, text, el){
                             var is_match = $.grep(ids, function(id) {
                                 return equal(id, opts.id(el));
                             }).length;
                             if (is_match) {
                                 matches.push(el);
+                            }
                             return is_match;
                         },
                         callback: !$.isFunction(callback) ? $.noop : function() {
                             // reorder matches based on the order they appear in the ids array because right now
                             // they are in the order in which they appear in data array
                             var ordered = [];
                             for (var i = 0; i < ids.length; i++) {
                                 var id = ids[i];
                                 for (var j = 0; j < matches.length; j++) {
                                     var match = matches[j];
                                     if (equal(id, opts.id(match))) {
                                         ordered.push(match);
                                         matches.splice(j, 1);
                                         break;
+                                    }
+                                }
+                            }
                             callback(ordered);
+                        }
                     });
                 };
+            }
             return opts;
         },
         // multi
         selectChoice: function (choice) {
             var selected = this.container.find(".select2-search-choice-focus");
             if (selected.length && choice && choice[0] == selected[0]) {
             } else {
                 if (selected.length) {
                     this.opts.element.trigger("choice-deselected", selected);
+                }
                 selected.removeClass("select2-search-choice-focus");
                 if (choice && choice.length) {
                     this.close();
                     choice.addClass("select2-search-choice-focus");
                     this.opts.element.trigger("choice-selected", choice);
+                }
+            }
         },
         // multi
         destroy: function() {
             $("label[for='" + this.search.attr('id') + "']")
                 .attr('for', this.opts.element.attr("id"));
             this.parent.destroy.apply(this, arguments);
             cleanupJQueryElements.call(this,
                 "searchContainer",
                 "selection"
             );
         },
         // multi
         initContainer: function () {
             var selector = ".select2-choices", selection;
             this.searchContainer = this.container.find(".select2-search-field");
             this.selection = selection = this.container.find(selector);
             var _this = this;
             this.selection.on("click", ".select2-search-choice:not(.select2-locked)", function (e) {
                 //killEvent(e);
                 _this.search[0].focus();
                 _this.selectChoice($(this));
             });
             // rewrite labels from original element to focusser
             this.search.attr("id", "s2id_autogen"+nextUid());
             this.search.prev()
                 .text($("label[for='" + this.opts.element.attr("id") + "']").text())
                 .attr('for', this.search.attr('id'));
             this.search.on("input paste", this.bind(function() {
                 if (this.search.attr('placeholder') && this.search.val().length == 0) return;
                 if (!this.isInterfaceEnabled()) return;
                 if (!this.opened()) {
                     this.open();
+                }
             }));
             this.search.attr("tabindex", this.elementTabIndex);
             this.keydowns = 0;
             this.search.on("keydown", this.bind(function (e) {
                 if (!this.isInterfaceEnabled()) return;
                 ++this.keydowns;
                 var selected = selection.find(".select2-search-choice-focus");
                 var prev = selected.prev(".select2-search-choice:not(.select2-locked)");
                 var next = selected.next(".select2-search-choice:not(.select2-locked)");
                 var pos = getCursorInfo(this.search);
                 if (selected.length &&
                     (e.which == KEY.LEFT || e.which == KEY.RIGHT || e.which == KEY.BACKSPACE || e.which == KEY.DELETE || e.which == KEY.ENTER)) {
                     var selectedChoice = selected;
                     if (e.which == KEY.LEFT && prev.length) {
                         selectedChoice = prev;
+                    }
                     else if (e.which == KEY.RIGHT) {
                         selectedChoice = next.length ? next : null;
+                    }
                     else if (e.which === KEY.BACKSPACE) {
                         if (this.unselect(selected.first())) {
                             this.search.width(10);
                             selectedChoice = prev.length ? prev : next;
+                        }
                     } else if (e.which == KEY.DELETE) {
                         if (this.unselect(selected.first())) {
                             this.search.width(10);
                             selectedChoice = next.length ? next : null;
+                        }
                     } else if (e.which == KEY.ENTER) {
                         selectedChoice = null;
+                    }
                     this.selectChoice(selectedChoice);
                     killEvent(e);
                     if (!selectedChoice || !selectedChoice.length) {
                         this.open();
+                    }
                     return;
                 } else if (((e.which === KEY.BACKSPACE && this.keydowns == 1)
                     || e.which == KEY.LEFT) && (pos.offset == 0 && !pos.length)) {
                     this.selectChoice(selection.find(".select2-search-choice:not(.select2-locked)").last());
                     killEvent(e);
                     return;
                 } else {
                     this.selectChoice(null);
+                }
                 if (this.opened()) {
                     switch (e.which) {
                     case KEY.UP:
                     case KEY.DOWN:
                         this.moveHighlight((e.which === KEY.UP) ? -1 : 1);
                         killEvent(e);
                         return;
                     case KEY.ENTER:
                         this.selectHighlighted();
                         killEvent(e);
                         return;
                     case KEY.TAB:
                         this.selectHighlighted({noFocus:true});
                         this.close();
                         return;
                     case KEY.ESC:
                         this.cancel(e);
                         killEvent(e);
                         return;
+                    }
+                }
                 if (e.which === KEY.TAB || KEY.isControl(e) || KEY.isFunctionKey(e)
                  || e.which === KEY.BACKSPACE || e.which === KEY.ESC) {
                     return;
+                }
                 if (e.which === KEY.ENTER) {
                     if (this.opts.openOnEnter === false) {
                         return;
                     } else if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {
                         return;
+                    }
+                }
                 this.open();
                 if (e.which === KEY.PAGE_UP || e.which === KEY.PAGE_DOWN) {
                     // prevent the page from scrolling
                     killEvent(e);
+                }
                 if (e.which === KEY.ENTER) {
                     // prevent form from being submitted
                     killEvent(e);
+                }
             }));
             this.search.on("keyup", this.bind(function (e) {
                 this.keydowns = 0;
                 this.resizeSearch();
             })
             );
             this.search.on("blur", this.bind(function(e) {
                 this.container.removeClass("select2-container-active");
                 this.search.removeClass("select2-focused");
                 this.selectChoice(null);
                 if (!this.opened()) this.clearSearch();
                 e.stopImmediatePropagation();
                 this.opts.element.trigger($.Event("select2-blur"));
             }));
             this.container.on("click", selector, this.bind(function (e) {
                 if (!this.isInterfaceEnabled()) return;
                 if ($(e.target).closest(".select2-search-choice").length > 0) {
                     // clicked inside a select2 search choice, do not open
                     return;
+                }
                 this.selectChoice(null);
                 this.clearPlaceholder();
                 if (!this.container.hasClass("select2-container-active")) {
                     this.opts.element.trigger($.Event("select2-focus"));
+                }
                 this.open();
                 this.focusSearch();
                 e.preventDefault();
             }));
             this.container.on("focus", selector, this.bind(function () {
                 if (!this.isInterfaceEnabled()) return;
                 if (!this.container.hasClass("select2-container-active")) {
                     this.opts.element.trigger($.Event("select2-focus"));
+                }
                 this.container.addClass("select2-container-active");
                 this.dropdown.addClass("select2-drop-active");
                 this.clearPlaceholder();
             }));
             this.initContainerWidth();
             this.opts.element.addClass("select2-offscreen");
             // set the placeholder if necessary
             this.clearSearch();
         },
         // multi
         enableInterface: function() {
             if (this.parent.enableInterface.apply(this, arguments)) {
                 this.search.prop("disabled", !this.isInterfaceEnabled());
+            }
         },
         // multi
         initSelection: function () {
             var data;
             if (this.opts.element.val() === "" && this.opts.element.text() === "") {
                 this.updateSelection([]);
                 this.close();
                 // set the placeholder if necessary
                 this.clearSearch();
+            }
             if (this.select || this.opts.element.val() !== "") {
                 var self = this;
                 this.opts.initSelection.call(null, this.opts.element, function(data){
                     if (data !== undefined && data !== null) {
                         self.updateSelection(data);
                         self.close();
                         // set the placeholder if necessary
                         self.clearSearch();
+                    }
                 });
+            }
         },
         // multi
         clearSearch: function () {
             var placeholder = this.getPlaceholder(),
                 maxWidth = this.getMaxSearchWidth();
             if (placeholder !== undefined  && this.getVal().length === 0 && this.search.hasClass("select2-focused") === false) {
                 this.search.val(placeholder).addClass("select2-default");
                 // stretch the search box to full width of the container so as much of the placeholder is visible as possible
                 // we could call this.resizeSearch(), but we do not because that requires a sizer and we do not want to create one so early because of a firefox bug, see #944
                 this.search.width(maxWidth > 0 ? maxWidth : this.container.css("width"));
             } else {
                 this.search.val("").width(10);
+            }
         },
         // multi
         clearPlaceholder: function () {
             if (this.search.hasClass("select2-default")) {
                 this.search.val("").removeClass("select2-default");
+            }
         },
         // multi
         opening: function () {
             this.clearPlaceholder(); // should be done before super so placeholder is not used to search
             this.resizeSearch();
             this.parent.opening.apply(this, arguments);
             this.focusSearch();
             // initializes search's value with nextSearchTerm (if defined by user)
             // ignore nextSearchTerm if the dropdown is opened by the user pressing a letter
             if(this.search.val() === "") {
                 if(this.nextSearchTerm != undefined){
                     this.search.val(this.nextSearchTerm);
                     this.search.select();
+                }
+            }
             this.updateResults(true);
             if (this.opts.shouldFocusInput(this)) {
                 this.search.focus();
+            }
             this.opts.element.trigger($.Event("select2-open"));
         },
         // multi
         close: function () {
             if (!this.opened()) return;
             this.parent.close.apply(this, arguments);
         },
         // multi
         focus: function () {
             this.close();
             this.search.focus();
         },
         // multi
         isFocused: function () {
             return this.search.hasClass("select2-focused");
         },
         // multi
         updateSelection: function (data) {
             var ids = [], filtered = [], self = this;
             // filter out duplicates
             $(data).each(function () {
                 if (indexOf(self.id(this), ids) < 0) {
                     ids.push(self.id(this));
                     filtered.push(this);
+                }
             });
             data = filtered;
             this.selection.find(".select2-search-choice").remove();
             $(data).each(function () {
                 self.addSelectedChoice(this);
             });
             self.postprocessResults();
         },
         // multi
         tokenize: function() {
             var input = this.search.val();
             input = this.opts.tokenizer.call(this, input, this.data(), this.bind(this.onSelect), this.opts);
             if (input != null && input != undefined) {
                 this.search.val(input);
                 if (input.length > 0) {
                     this.open();
+                }
+            }
         },
         // multi
         onSelect: function (data, options) {
             if (!this.triggerSelect(data)) { return; }
             this.addSelectedChoice(data);
             this.opts.element.trigger({ type: "selected", val: this.id(data), choice: data });
             // keep track of the search's value before it gets cleared
             this.nextSearchTerm = this.opts.nextSearchTerm(data, this.search.val());
             this.clearSearch();
             this.updateResults();
             if (this.select || !this.opts.closeOnSelect) this.postprocessResults(data, false, this.opts.closeOnSelect===true);
             if (this.opts.closeOnSelect) {
                 this.close();
                 this.search.width(10);
             } else {
                 if (this.countSelectableResults()>0) {
                     this.search.width(10);
                     this.resizeSearch();
                     if (this.getMaximumSelectionSize() > 0 && this.val().length >= this.getMaximumSelectionSize()) {
                         // if we reached max selection size repaint the results so choices
                         // are replaced with the max selection reached message
                         this.updateResults(true);
                     } else {
                         // initializes search's value with nextSearchTerm and update search result
                         if(this.nextSearchTerm != undefined){
                             this.search.val(this.nextSearchTerm);
                             this.updateResults();
                             this.search.select();
+                        }
+                    }
                     this.positionDropdown();
                 } else {
                     // if nothing left to select close
                     this.close();
                     this.search.width(10);
+                }
+            }
             // since its not possible to select an element that has already been
             // added we do not need to check if this is a new element before firing change
             this.triggerChange({ added: data });
             if (!options || !options.noFocus)
                 this.focusSearch();
         },
         // multi
         cancel: function () {
             this.close();
             this.focusSearch();
         },
         addSelectedChoice: function (data) {
             var enableChoice = !data.locked,
                 enabledItem = $(
                     "<li class='select2-search-choice'>" +
                     "    <div></div>" +
                     "    <a href='#' class='select2-search-choice-close' tabindex='-1'></a>" +
                     "</li>"),
                 disabledItem = $(
                     "<li class='select2-search-choice select2-locked'>" +
                     "<div></div>" +
                     "</li>");
             var choice = enableChoice ? enabledItem : disabledItem,
                 id = this.id(data),
                 val = this.getVal(),
                 formatted,
                 cssClass;
             formatted=this.opts.formatSelection(data, choice.find("div"), this.opts.escapeMarkup);
             if (formatted != undefined) {
                 choice.find("div").replaceWith("<div>"+formatted+"</div>");
+            }
             cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
             if (cssClass != undefined) {
                 choice.addClass(cssClass);
+            }
             if(enableChoice){
               choice.find(".select2-search-choice-close")
                   .on("mousedown", killEvent)
                   .on("click dblclick", this.bind(function (e) {
                   if (!this.isInterfaceEnabled()) return;
                   this.unselect($(e.target));
                   this.selection.find(".select2-search-choice-focus").removeClass("select2-search-choice-focus");
                   killEvent(e);
                   this.close();
                   this.focusSearch();
               })).on("focus", this.bind(function () {
                   if (!this.isInterfaceEnabled()) return;
                   this.container.addClass("select2-container-active");
                   this.dropdown.addClass("select2-drop-active");
               }));
+            }
             choice.data("select2-data", data);
             choice.insertBefore(this.searchContainer);
             val.push(id);
             this.setVal(val);
         },
         // multi
         unselect: function (selected) {
             var val = this.getVal(),
                 data,
                 index;
             selected = selected.closest(".select2-search-choice");
             if (selected.length === 0) {
                 throw "Invalid argument: " + selected + ". Must be .select2-search-choice";
+            }
             data = selected.data("select2-data");
             if (!data) {
                 // prevent a race condition when the 'x' is clicked really fast repeatedly the event can be queued
                 // and invoked on an element already removed
                 return;
+            }
             var evt = $.Event("select2-removing");
             evt.val = this.id(data);
             evt.choice = data;
             this.opts.element.trigger(evt);
             if (evt.isDefaultPrevented()) {
                 return false;
+            }
             while((index = indexOf(this.id(data), val)) >= 0) {
                 val.splice(index, 1);
                 this.setVal(val);
                 if (this.select) this.postprocessResults();
+            }
             selected.remove();
             this.opts.element.trigger({ type: "select2-removed", val: this.id(data), choice: data });
             this.triggerChange({ removed: data });
             return true;
         },
         // multi
         postprocessResults: function (data, initial, noHighlightUpdate) {
             var val = this.getVal(),
                 choices = this.results.find(".select2-result"),
                 compound = this.results.find(".select2-result-with-children"),
                 self = this;
             choices.each2(function (i, choice) {
                 var id = self.id(choice.data("select2-data"));
                 if (indexOf(id, val) >= 0) {
                     choice.addClass("select2-selected");
                     // mark all children of the selected parent as selected
                     choice.find(".select2-result-selectable").addClass("select2-selected");
+                }
             });
             compound.each2(function(i, choice) {
                 // hide an optgroup if it doesn't have any selectable children
                 if (!choice.is('.select2-result-selectable')
                     && choice.find(".select2-result-selectable:not(.select2-selected)").length === 0) {
                     choice.addClass("select2-selected");
+                }
             });
             if (this.highlight() == -1 && noHighlightUpdate !== false){
                 self.highlight(0);
+            }
             //If all results are chosen render formatNoMatches
             if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
                 if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
                     if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
                         this.results.append("<li class='select2-no-results'>" + evaluate(self.opts.formatNoMatches, self.opts.element, self.search.val()) + "</li>");
+                    }
+                }
+            }
         },
         // multi
         getMaxSearchWidth: function() {
             return this.selection.width() - getSideBorderPadding(this.search);
         },
         // multi
         resizeSearch: function () {
             var minimumWidth, left, maxWidth, containerLeft, searchWidth,
                 sideBorderPadding = getSideBorderPadding(this.search);
             minimumWidth = measureTextWidth(this.search) + 10;
             left = this.search.offset().left;
             maxWidth = this.selection.width();
             containerLeft = this.selection.offset().left;
             searchWidth = maxWidth - (left - containerLeft) - sideBorderPadding;
             if (searchWidth < minimumWidth) {
                 searchWidth = maxWidth - sideBorderPadding;
+            }
             if (searchWidth < 40) {
                 searchWidth = maxWidth - sideBorderPadding;
+            }
             if (searchWidth <= 0) {
               searchWidth = minimumWidth;
+            }
             this.search.width(Math.floor(searchWidth));
         },
         // multi
         getVal: function () {
             var val;
             if (this.select) {
                 val = this.select.val();
                 return val === null ? [] : val;
             } else {
                 val = this.opts.element.val();
                 return splitVal(val, this.opts.separator);
+            }
         },
         // multi
         setVal: function (val) {
             var unique;
             if (this.select) {
                 this.select.val(val);
             } else {
                 unique = [];
                 // filter out duplicates
                 $(val).each(function () {
                     if (indexOf(this, unique) < 0) unique.push(this);
                 });
                 this.opts.element.val(unique.length === 0 ? "" : unique.join(this.opts.separator));
+            }
         },
         // multi
         buildChangeDetails: function (old, current) {
             var current = current.slice(0),
                 old = old.slice(0);
             // remove intersection from each array
             for (var i = 0; i < current.length; i++) {
                 for (var j = 0; j < old.length; j++) {
                     if (equal(this.opts.id(current[i]), this.opts.id(old[j]))) {
                         current.splice(i, 1);
                         if(i>0){
                         	i--;
+                        }
                         old.splice(j, 1);
                         j--;
+                    }
+                }
+            }
             return {added: current, removed: old};
         },
         // multi
         val: function (val, triggerChange) {
             var oldData, self=this;
             if (arguments.length === 0) {
                 return this.getVal();
+            }
             oldData=this.data();
             if (!oldData.length) oldData=[];
             // val is an id. !val is true for [undefined,null,'',0] - 0 is legal
             if (!val && val !== 0) {
                 this.opts.element.val("");
                 this.updateSelection([]);
                 this.clearSearch();
                 if (triggerChange) {
                     this.triggerChange({added: this.data(), removed: oldData});
+                }
                 return;
+            }
             // val is a list of ids
             this.setVal(val);
             if (this.select) {
                 this.opts.initSelection(this.select, this.bind(this.updateSelection));
                 if (triggerChange) {
                     this.triggerChange(this.buildChangeDetails(oldData, this.data()));
+                }
             } else {
                 if (this.opts.initSelection === undefined) {
                     throw new Error("val() cannot be called if initSelection() is not defined");
+                }
                 this.opts.initSelection(this.opts.element, function(data){
                     var ids=$.map(data, self.id);
                     self.setVal(ids);
                     self.updateSelection(data);
                     self.clearSearch();
                     if (triggerChange) {
                         self.triggerChange(self.buildChangeDetails(oldData, self.data()));
+                    }
                 });
+            }
             this.clearSearch();
         },
         // multi
         onSortStart: function() {
             if (this.select) {
                 throw new Error("Sorting of elements is not supported when attached to <select>. Attach to <input type='hidden'/> instead.");
+            }
             // collapse search field into 0 width so its container can be collapsed as well
             this.search.width(0);
             // hide the container
             this.searchContainer.hide();
         },
         // multi
         onSortEnd:function() {
             var val=[], self=this;
             // show search and move it to the end of the list
             this.searchContainer.show();
             // make sure the search container is the last item in the list
             this.searchContainer.appendTo(this.searchContainer.parent());
             // since we collapsed the width in dragStarted, we resize it here
             this.resizeSearch();
             // update selection
             this.selection.find(".select2-search-choice").each(function() {
                 val.push(self.opts.id($(this).data("select2-data")));
             });
             this.setVal(val);
             this.triggerChange();
         },
         // multi
         data: function(values, triggerChange) {
             var self=this, ids, old;
             if (arguments.length === 0) {
                  return this.selection
                      .children(".select2-search-choice")
                      .map(function() { return $(this).data("select2-data"); })
                      .get();
             } else {
                 old = this.data();
                 if (!values) { values = []; }
                 ids = $.map(values, function(e) { return self.opts.id(e); });
                 this.setVal(ids);
                 this.updateSelection(values);
                 this.clearSearch();
                 if (triggerChange) {
                     this.triggerChange(this.buildChangeDetails(old, this.data()));
+                }
+            }
+        }
     });
     $.fn.select2 = function () {
         var args = Array.prototype.slice.call(arguments, 0),
             opts,
             select2,
             method, value, multiple,
             allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "disable", "readonly", "positionDropdown", "data", "search"],
             valueMethods = ["opened", "isFocused", "container", "dropdown"],
             propertyMethods = ["val", "data"],
             methodsMap = { search: "externalSearch" };
         this.each(function () {
             if (args.length === 0 || typeof(args[0]) === "object") {
                 opts = args.length === 0 ? {} : $.extend({}, args[0]);
                 opts.element = $(this);
                 if (opts.element.get(0).tagName.toLowerCase() === "select") {
                     multiple = opts.element.prop("multiple");
                 } else {
                     multiple = opts.multiple || false;
                     if ("tags" in opts) {opts.multiple = multiple = true;}
+                }
                 select2 = multiple ? new window.Select2["class"].multi() : new window.Select2["class"].single();
                 select2.init(opts);
             } else if (typeof(args[0]) === "string") {
                 if (indexOf(args[0], allowedMethods) < 0) {
                     throw "Unknown method: " + args[0];
+                }
                 value = undefined;
                 select2 = $(this).data("select2");
                 if (select2 === undefined) return;
                 method=args[0];
                 if (method === "container") {
                     value = select2.container;
                 } else if (method === "dropdown") {
                     value = select2.dropdown;
                 } else {
                     if (methodsMap[method]) method = methodsMap[method];
                     value = select2[method].apply(select2, args.slice(1));
+                }
                 if (indexOf(args[0], valueMethods) >= 0
                     || (indexOf(args[0], propertyMethods) >= 0 && args.length == 1)) {
                     return false; // abort the iteration, ready to return first matched value
+                }
             } else {
                 throw "Invalid arguments to select2 plugin: " + args;
+            }
         });
         return (value === undefined) ? this : value;
     };
     // plugin defaults, accessible to users
     $.fn.select2.defaults = {
         width: "copy",
         loadMorePadding: 0,
         closeOnSelect: true,
         openOnEnter: true,
         containerCss: {},
         dropdownCss: {},
         containerCssClass: "",
         dropdownCssClass: "",
         formatResult: function(result, container, query, escapeMarkup) {
             var markup=[];
             markMatch(result.text, query.term, markup, escapeMarkup);
             return markup.join("");
         },
         formatSelection: function (data, container, escapeMarkup) {
             return data ? escapeMarkup(data.text) : undefined;
         },
         sortResults: function (results, container, query) {
             return results;
         },
         formatResultCssClass: function(data) {return data.css;},
         formatSelectionCssClass: function(data, container) {return undefined;},
         formatMatches: function (matches) { if (matches === 1) { return "One result is available, press enter to select it."; } return matches + " results are available, use up and down arrow keys to navigate."; },
         formatNoMatches: function () { return "No matches found"; },
         formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " or more character" + (n == 1? "" : "s"); },
         formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1? "" : "s"); },
         formatSelectionTooBig: function (limit) { return "You can only select " + limit + " item" + (limit == 1 ? "" : "s"); },
         formatLoadMore: function (pageNumber) { return "Loading more results…"; },
         formatSearching: function () { return "Searching…"; },
         minimumResultsForSearch: 0,
         minimumInputLength: 0,
         maximumInputLength: null,
         maximumSelectionSize: 0,
         id: function (e) { return e == undefined ? null : e.id; },
         matcher: function(term, text) {
             return stripDiacritics(''+text).toUpperCase().indexOf(stripDiacritics(''+term).toUpperCase()) >= 0;
         },
         separator: ",",
         tokenSeparators: [],
         tokenizer: defaultTokenizer,
         escapeMarkup: defaultEscapeMarkup,
         blurOnChange: false,
         selectOnBlur: false,
         adaptContainerCssClass: function(c) { return c; },
         adaptDropdownCssClass: function(c) { return null; },
         nextSearchTerm: function(selectedObject, currentSearchTerm) { return undefined; },
         searchInputPlaceholder: '',
         createSearchChoicePosition: 'top',
         shouldFocusInput: function (instance) {
             // Attempt to detect touch devices
             var supportsTouchEvents = (('ontouchstart' in window) ||
                                        (navigator.msMaxTouchPoints > 0));
             // Only devices which support touch events should be special cased
             if (!supportsTouchEvents) {
                 return true;
+            }
             // Never focus the input if search is disabled
             if (instance.opts.minimumResultsForSearch < 0) {
                 return false;
+            }
             return true;
+        }
     };
     $.fn.select2.ajaxDefaults = {
         transport: $.ajax,
         params: {
             type: "GET",
             cache: false,
             dataType: "json"
+        }
     };
     // exports
     window.Select2 = {
         query: {
             ajax: ajax,
             local: local,
             tags: tags
         }, util: {
             debounce: debounce,
             markMatch: markMatch,
             escapeMarkup: defaultEscapeMarkup,
             stripDiacritics: stripDiacritics
         }, "class": {
             "abstract": AbstractSelect2,
             "single": SingleSelect2,
             "multi": MultiSelect2
+        }
     };
 }(jQuery));

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