:param group_id:

        """

        self.__load_defaults()

        repo_group = RepoGroup.get(group_id)

        data = repo_group.get_dict()

        data['group_name'] = repo_group.name

        return data

    @HasPermissionAnyDecorator('hg.admin')

    def index(self, format='html'):

        """GET /repos_groups: All items in the collection"""

        # url('repos_groups')

        sk = lambda g: g.parents[0].group_name if g.parents else g.group_name

        c.groups = sorted(RepoGroup.query().all(), key=sk)

        return render('admin/repos_groups/repos_groups_show.html')

    @HasPermissionAnyDecorator('hg.admin')

    def create(self):

        """POST /repos_groups: Create a new item"""

        # url('repos_groups')

        self.__load_defaults()

        repos_group_form = ReposGroupForm(available_groups =

                                          c.repo_groups_choices)()

        try:

            form_result = repos_group_form.to_python(dict(request.POST))

            ReposGroupModel().create(form_result)

            Session.commit()

            h.flash(_('created repos group %s') \

                    % form_result['group_name'], category='success')

            #TODO: in futureaction_logger(, '', '', '', self.sa)

        except formencode.Invalid, errors:

            return htmlfill.render(

                render('admin/repos_groups/repos_groups_add.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during creation of repos group %s') \

                    % request.POST.get('group_name'), category='error')

        return redirect(url('repos_groups'))

    @HasPermissionAnyDecorator('hg.admin')

    def new(self, format='html'):

        """GET /repos_groups/new: Form to create a new item"""

        # url('new_repos_group')

        self.__load_defaults()

        return render('admin/repos_groups/repos_groups_add.html')

    @HasPermissionAnyDecorator('hg.admin')

    def update(self, id):

        """PUT /repos_groups/id: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repos_group', id=ID),

        #           method='put')

        # url('repos_group', id=ID)

        self.__load_defaults()

        c.repos_group = RepoGroup.get(id)

        repos_group_form = ReposGroupForm(edit=True,

                                          old_data=c.repos_group.get_dict(),

                                          available_groups=

                                            c.repo_groups_choices)()

        try:

            form_result = repos_group_form.to_python(dict(request.POST))

            ReposGroupModel().update(id, form_result)

            Session.commit()

            h.flash(_('updated repos group %s') \

                    % form_result['group_name'], category='success')

            #TODO: in futureaction_logger(, '', '', '', self.sa)

        except formencode.Invalid, errors:

            return htmlfill.render(

                render('admin/repos_groups/repos_groups_edit.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during update of repos group %s') \

                    % request.POST.get('group_name'), category='error')

        return redirect(url('repos_groups'))

    @HasPermissionAnyDecorator('hg.admin')

    def delete(self, id):

        """DELETE /repos_groups/id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repos_group', id=ID),

        #           method='delete')

        # url('repos_group', id=ID)

        gr = RepoGroup.get(id)

        repos = gr.repositories.all()

        if repos:

            h.flash(_('This group contains %s repositores and cannot be '

                      'deleted' % len(repos)),

                    category='error')

            return redirect(url('repos_groups'))

        try:

            ReposGroupModel().delete(id)

            Session.commit()

            h.flash(_('removed repos group %s' % gr.group_name), category='success')

            #TODO: in future action_logger(, '', '', '', self.sa)

        except IntegrityError, e:

            if e.message.find('groups_group_parent_id_fkey') != -1:

                log.error(traceback.format_exc())

                h.flash(_('Cannot delete this group it still contains '

                          'subgroups'),

                        category='warning')

            else:

                log.error(traceback.format_exc())

                h.flash(_('error occurred during deletion of repos '

                          'group %s' % gr.group_name), category='error')

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('error occurred during deletion of repos '

                      'group %s' % gr.group_name), category='error')

        return redirect(url('repos_groups'))

    def show_by_name(self, group_name):

        id_ = RepoGroup.get_by_group_name(group_name).group_id

        return self.show(id_)

    def show(self, id, format='html'):

        """GET /repos_groups/id: Show a specific item"""

        # url('repos_group', id=ID)

        c.group = RepoGroup.get(id)

        if c.group:

            c.group_repos = c.group.repositories.all()

        else:

            return redirect(url('home'))

        #overwrite our cached list with current filter

        gr_filter = c.group_repos

        c.cached_repo_list = self.scm_model.get_repos(all_repos=gr_filter)

        c.repos_list = c.cached_repo_list

        c.repo_cnt = 0

        c.groups = self.sa.query(RepoGroup).order_by(RepoGroup.group_name)\

            .filter(RepoGroup.group_parent_id == id).all()

        return render('admin/repos_groups/repos_groups.html')

    @HasPermissionAnyDecorator('hg.admin')

    def edit(self, id, format='html'):

        """GET /repos_groups/id/edit: Form to edit an existing item"""

        # url('edit_repos_group', id=ID)

        id_ = int(id)

        c.repos_group = RepoGroup.get(id_)

        defaults = self.__load_data(id_)

        # we need to exclude this group from the group list for editing

        c.repo_groups = filter(lambda x:x[0] != id_, c.repo_groups)

        return htmlfill.render(

            render('admin/repos_groups/repos_groups_edit.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

	            </div>

	        </div>

	        <div class="fields">

	             <div class="field">

	                <div class="label">

	                    <label for="username">${_('Username')}:</label>

	                </div>

	                <div class="input">

	                    ${h.text('username',class_="medium")}

	                </div>

	             </div>

	             <div class="field">

	                <div class="label">

	                    <label for="new_password">${_('New password')}:</label>

	                </div>

	                <div class="input">

	                    ${h.password('new_password',class_="medium",autocomplete="off")}

	                </div>

	             </div>

                 <div class="field">

                    <div class="label">

                        <label for="password_confirmation">${_('New password confirmation')}:</label>

                    </div>

                    <div class="input">

                        ${h.password('password_confirmation',class_="medium",autocomplete="off")}

                    </div>

                 </div>

	             <div class="field">

	                <div class="label">

	                    <label for="name">${_('First Name')}:</label>

	                </div>

	                <div class="input">

	                    ${h.text('name',class_="medium")}

	                </div>

	             </div>

	             <div class="field">

	                <div class="label">

	                    <label for="lastname">${_('Last Name')}:</label>

	                </div>

	                <div class="input">

	                    ${h.text('lastname',class_="medium")}

	                </div>

	             </div>

	             <div class="field">

	                <div class="label">

	                    <label for="email">${_('Email')}:</label>

	                </div>

	                <div class="input">

	                    ${h.text('email',class_="medium")}

	                </div>

	             </div>

	            <div class="buttons">

	              ${h.submit('save',_('Save'),class_="ui-button")}

	              ${h.reset('reset',_('Reset'),class_="ui-button")}

	            </div>

	    	</div>

	    </div>

    ${h.end_form()}

    </div>

</div>

<div class="box box-right">

    <!-- box / title -->

    <div class="title">

        <h5>

        <input class="q_filter_box" id="q_filter" size="15" type="text" name="filter" value="${_('quick filter...')}"/>

        ${_('My repositories')}

        </h5>

         %if h.HasPermissionAny('hg.admin','hg.create.repository')():

         <ul class="links">

           <li>

             <span>${h.link_to(_('ADD REPOSITORY'),h.url('admin_settings_create_repository'))}</span>

           </li>

         </ul>

         %endif

    </div>

    <!-- end box / title -->

    <div class="table">

	    <table>

	    <thead>

            <tr>

            <th class="left">${_('Name')}</th>

            <th class="left">${_('revision')}</th>

            <th colspan="2" class="left">${_('action')}</th>

	    </thead>

	     <tbody>

	     %if c.user_repos:

		     %for repo in c.user_repos:

		        <tr>

		            <td>

                       <img class="icon" title="${_('Mercurial repository')}" alt="${_('Mercurial repository')}" src="${h.url('/images/icons/hgicon.png')}"/>

                       <img class="icon" title="${_('Git repository')}" alt="${_('Git repository')}" src="${h.url('/images/icons/giticon.png')}"/>

                     %else:

                     %endif

		             %if repo['dbrepo']['private']:

		                <img class="icon" alt="${_('private')}" src="${h.url('/images/icons/lock.png')}"/>

		             %else:

		                <img class="icon" alt="${_('public')}" src="${h.url('/images/icons/lock_open.png')}"/>

		             %endif

		            ${h.link_to(repo['name'], h.url('summary_home',repo_name=repo['name']),class_="repo_name")}

		            %if repo['dbrepo_fork']:

		            	<a href="${h.url('summary_home',repo_name=repo['dbrepo_fork']['repo_name'])}">

		            	<img class="icon" alt="${_('public')}"

		            	title="${_('Fork of')} ${repo['dbrepo_fork']['repo_name']}"

		            	src="${h.url('/images/icons/arrow_divide.png')}"/></a>

		            %endif

		            </td>

		            <td><span class="tooltip" title="${repo['last_change']}">${("r%s:%s") % (repo['rev'],h.short_id(repo['tip']))}</span></td>

		            <td><a href="${h.url('repo_settings_home',repo_name=repo['name'])}" title="${_('edit')}"><img class="icon" alt="${_('private')}" src="${h.url('/images/icons/application_form_edit.png')}"/></a></td>

		            <td>

	                  ${h.form(url('repo_settings_delete', repo_name=repo['name']),method='delete')}

	                    ${h.submit('remove_%s' % repo['name'],'',class_="delete_icon action_button",onclick="return confirm('"+_('Confirm to delete this repository: %s') % repo['name']+"');")}

	                  ${h.end_form()}

		            </td>

		        </tr>

		     %endfor

	     %else:

            <div style="padding:5px 0px 10px 0px;">

	     	${_('No repositories yet')}

	     	%if h.HasPermissionAny('hg.admin','hg.create.repository')():

	     		${h.link_to(_('create one now'),h.url('admin_settings_create_repository'),class_="ui-btn")}

	     	%endif

            </div>

	     %endif

	     </tbody>

	     </table>

    </div>

</div>

<script type="text/javascript">

var nodes = YUQ('div.table tr td a.repo_name');

var target = 'q_filter';

var func = function(node){

    return node.parentNode.parentNode;

}

q_filter(target,nodes,func);

</script>

</%def>

	                                                src="${h.url('/images/icons/arrow_right.png')}"/>

	                                        </div>

	                                        <div style="float:left">

	                                             <div class="text" style="padding: 0px 0px 6px;">${_('Available members')}</div>

	                                             ${h.select('available_members',[],c.available_members,multiple=True,size=8,style="min-width:210px")}

	                                             <div id="add_all_elements" style="cursor:pointer;text-align:center">

	                                                   <img alt="add" style="vertical-align:text-bottom" src="${h.url('/images/icons/arrow_left.png')}"/>

	                                                    ${_('Add all elements')}

	                                             </div>

	                                        </div>

	                                    </div>

	                                </td>

	                            </tr>

	                    </table>

                    </div>

                </div>

                <div class="buttons">

                  ${h.submit('save',_('save'),class_="ui-button")}

                </div>

            </div>

    </div>

${h.end_form()}

</div>

<div class="box box-right">

    <!-- box / title -->

    <div class="title">

        <h5>${_('Permissions')}</h5>

    </div>

    ${h.form(url('users_group_perm', id=c.users_group.users_group_id), method='put')}

    <div class="form">

        <!-- fields -->

        <div class="fields">

             <div class="field">

                <div class="label label-checkbox">

                    <label for="create_repo_perm">${_('Create repositories')}:</label>

                </div>

                <div class="checkboxes">

                    ${h.checkbox('create_repo_perm',value=True)}

                </div>

             </div>

            <div class="buttons">

              ${h.submit('save',_('Save'),class_="ui-button")}

              ${h.reset('reset',_('Reset'),class_="ui-button")}

            </div>

        </div>

    </div>

    ${h.end_form()}

</div>

<div class="box box-right">

    <!-- box / title -->

    <div class="title">

        <h5>${_('Group members')}</h5>

    </div>

    <div class="group_members_wrap">

      <ul class="group_members">

      %for user in c.group_members_obj:

        <li>

          <div class="group_member">

            <div class="gravatar"><img alt="gravatar" src="${h.gravatar_url(user.email,24)}"/> </div>

            <div>${user.username}</div>

            <div>${user.full_name}</div>

          </div>

        </li>

      %endfor

      </ul>

    </div>

</div>

<script type="text/javascript">

    YAHOO.util.Event.onDOMReady(function(){

            var D = YAHOO.util.Dom;

            var E = YAHOO.util.Event;

            //definition of containers ID's

            var available_container = 'available_members';

            var selected_container = 'users_group_members';

            //form containing containers id

            var form_id = 'edit_users_group';

            //temp container for selected storage.

            var cache = new Array();

            var av_cache = new Array();

            var c =  D.get(selected_container);

            var ac = D.get(available_container);

            //get only selected options for further fullfilment

            for(var i = 0;node =c.options[i];i++){

                if(node.selected){

                    //push selected to my temp storage left overs :)

                    cache.push(node);

                }

            }

            //get all available options to cache

            for(var i = 0;node =ac.options[i];i++){

                    //push selected to my temp storage left overs :)

                    av_cache.push(node);

            }

            //fill available only with those not in choosen

            ac.options.length=0;

            tmp_cache = new Array();

            for(var i = 0;node = av_cache[i];i++){

                var add = true;

                for(var i2 = 0;node_2 = cache[i2];i2++){

                    if(node.value == node_2.value){

                        add=false;

                        break;

                    }

                }

                if(add){

                    tmp_cache.push(new Option(node.text, node.value, false, false));

                }

            }

            for(var i = 0;node = tmp_cache[i];i++){

                ac.options[i] = node;

            }

            function prompts_action_callback(e){

                var choosen = D.get(selected_container);

                var available = D.get(available_container);

                //get checked and unchecked options from field

                function get_checked(from_field){

                    //temp container for storage.

                    var sel_cache = new Array();

                    var oth_cache = new Array();

                    for(var i = 0;node = from_field.options[i];i++){

                        if(node.selected){

                            //push selected fields :)

                            sel_cache.push(node);

                        }

                        else{

                            oth_cache.push(node)

                        }

                    }

                    return [sel_cache,oth_cache]

                }

                //fill the field with given options

                function fill_with(field,options){

                    //clear firtst

                    field.options.length=0;

                    for(var i = 0;node = options[i];i++){

                            field.options[i]=new Option(node.text, node.value,

                                    false, false);

                    }

                }

                //adds to current field

                function add_to(field,options){

                    for(var i = 0;node = options[i];i++){

                            field.appendChild(new Option(node.text, node.value,

                                    false, false));

                    }

                }

                // add action

                if (this.id=='add_element'){

                    var c = get_checked(available);

                    add_to(choosen,c[0]);

                    fill_with(available,c[1]);

                }

                // remove action

                if (this.id=='remove_element'){

                    var c = get_checked(choosen);

                    add_to(available,c[0]);

                    fill_with(choosen,c[1]);

                }

                // add all elements

                if(this.id=='add_all_elements'){

                    for(var i=0; node = available.options[i];i++){

                            choosen.appendChild(new Option(node.text,

                                    node.value, false, false));

                    }

                    available.options.length = 0;

                }

                //remove all elements

                if(this.id=='remove_all_elements'){

                    for(var i=0; node = choosen.options[i];i++){

                        available.appendChild(new Option(node.text,

                                node.value, false, false));

                    }

                    choosen.options.length = 0;

                }

            }

            E.addListener(['add_element','remove_element',

                           'add_all_elements','remove_all_elements'],'click',

                           prompts_action_callback)

            E.addListener(form_id,'submit',function(){

                var choosen = D.get(selected_container);

                for (var i = 0; i < choosen.options.length; i++) {

                    choosen.options[i].selected = 'selected';

                }

        });

</script>

</%def>