displaylname = lname;

                }

                if (nnameMatchIndex > -1) {

                    displaynname = "(" + highlightMatch(nname, query, nnameMatchIndex) + ")";

                } else {

                    displaynname = nname ? "(" + nname + ")" : "";

                }

                return _gravatar(displayfname + " " + displaylname + " " + displaynname, oResultData.gravatar_lnk);

            } else {

                return '';

            }

        };

    if(ownerAC.itemSelectEvent){

        ownerAC.itemSelectEvent.subscribe(function (sType, aArgs) {

            var myAC = aArgs[0]; // reference back to the AC instance

            var elLI = aArgs[1]; // reference to the selected LI element

            var oData = aArgs[2]; // object literal of selected item's result data

            //fill the autocomplete with value

            if (oData.nname != undefined) {

                //users

                //Replace the mention name with replaced

                var re = new RegExp();

                var org = myAC.getInputEl().value;

                var chunks = myAC.dataSource.chunks

                // replace middle chunk(the search term) with actuall  match

                chunks[1] = chunks[1].replace('@'+myAC.dataSource.mentionQuery,

                                              '@'+oData.nname+' ');

                myAC.getInputEl().value = chunks.join('')

                myAC.getInputEl().focus(); // Y U NO WORK !?

            } else {

                //groups

                myAC.getInputEl().value = oData.grname;

                $('#perm_new_member_type').val('users_group');

            }

        });

    }

    // in this keybuffer we will gather current value of search !

    // since we need to get this just when someone does `@` then we do the

    // search

    ownerAC.dataSource.chunks = [];

    ownerAC.dataSource.mentionQuery = null;

    ownerAC.get_mention = function(msg, max_pos) {

        var org = msg;

        var re = new RegExp('(?:^@|\s@)([a-zA-Z0-9]{1}[a-zA-Z0-9\-\_\.]+)$')

        var chunks  = [];

        // cut first chunk until curret pos

        var to_max = msg.substr(0, max_pos);

        var at_pos = Math.max(0,to_max.lastIndexOf('@')-1);

        var msg2 = to_max.substr(at_pos);

        chunks.push(org.substr(0,at_pos))// prefix chunk

        chunks.push(msg2)                // search chunk

        chunks.push(org.substr(max_pos)) // postfix chunk

        // clean up msg2 for filtering and regex match

        var msg2 = msg2.lstrip(' ').lstrip('\n');

        if(re.test(msg2)){

            var unam = re.exec(msg2)[1];

            return [unam, chunks];

        }

        return [null, null];

    };

    if (ownerAC.textboxKeyUpEvent){

        ownerAC.textboxKeyUpEvent.subscribe(function(type, args){

            var ac_obj = args[0];

            var currentMessage = args[1];

            var currentCaretPosition = args[0]._elTextbox.selectionStart;

            var unam = ownerAC.get_mention(currentMessage, currentCaretPosition);

            var curr_search = null;

            if(unam[0]){

                curr_search = unam[0];

            }

            ownerAC.dataSource.chunks = unam[1];

            ownerAC.dataSource.mentionQuery = curr_search;

        })

    }

    return {

        ownerDS: ownerDS,

        ownerAC: ownerAC,

    };

}

var addReviewMember = function(id,fname,lname,nname,gravatar_link){

    var displayname = "{0} {1} ({2})".format(fname,lname,nname);

    // check if we don't have this ID already in

    var ids = [];

    $('#review_members').find('li').each(function() {

            ids.push(this.id);

        });

    if(ids.indexOf('reviewer_'+id) == -1){

        //only add if it's not there

        $('#review_members').append(element);

    }

}

var removeReviewMember = function(reviewer_id, repo_name, pull_request_id){

    $('#reviewer_{0}'.format(reviewer_id)).remove();

}

/* handle "Save Changes" of addReviewMember and removeReviewMember on PR */

var updateReviewers = function(reviewers_ids, repo_name, pull_request_id){

    if (reviewers_ids === undefined){

        var reviewers_ids = [];

        $('#review_members').find('input').each(function(){

                reviewers_ids.push(this.value);

            });

    }

    var url = pyroutes.url('pullrequest_update', {"repo_name":repo_name,

                                                  "pull_request_id": pull_request_id});

    var postData = {'_method':'put',

                    'reviewers_ids': reviewers_ids};

    var success = function(o){

        window.location.reload();

    }

    ajaxPOST(url,postData,success);

}

/* activate auto completion of users and groups ... but only used for users as PR reviewers */

var PullRequestAutoComplete = function (divid, cont, users_list, groups_list) {

    var myUsers = users_list;

    var myGroups = groups_list;

    // Define a custom search function for the DataSource of users

    var matchUsers = function (sQuery) {

            // Case insensitive matching

            var query = sQuery.toLowerCase();

            var i = 0;

            var l = myUsers.length;

            var matches = [];

            // Match against each name of each contact

            for (; i < l; i++) {

                contact = myUsers[i];

                if (((contact.fname+"").toLowerCase().indexOf(query) > -1) ||

                     ((contact.lname+"").toLowerCase().indexOf(query) > -1) ||

                     ((contact.nname) && ((contact.nname).toLowerCase().indexOf(query) > -1))) {

                    matches[matches.length] = contact;

                }

            }

            return matches;

        };

    // Define a custom search function for the DataSource of userGroups

    var matchGroups = function (sQuery) {

            // Case insensitive matching

            var query = sQuery.toLowerCase();

            var i = 0;

            var l = myGroups.length;

            var matches = [];

            // Match against each name of each contact

            for (; i < l; i++) {

                matched_group = myGroups[i];

                if (matched_group.grname.toLowerCase().indexOf(query) > -1) {

                    matches[matches.length] = matched_group;

                }

            }

            return matches;

        };

    //match all

    var matchAll = function (sQuery) {

            u = matchUsers(sQuery);

            return u

        };

    // DataScheme for owner

    var ownerDS = new YAHOO.util.FunctionDataSource(matchUsers);

    ownerDS.responseSchema = {

        fields: ["id", "fname", "lname", "nname", "gravatar_lnk"]

    };

    // Instantiate AutoComplete for mentions

    var reviewerAC = new YAHOO.widget.AutoComplete(divid, cont, ownerDS);

    reviewerAC.useShadow = false;

    reviewerAC.resultTypeList = false;

    reviewerAC.suppressInputUpdate = true;

    reviewerAC.animVert = false;

    reviewerAC.animHoriz = false;