Group selectbox js

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/javascripts/groups_select.js.coffee

+class @GroupsSelect
+  constructor: ->
+    $('.ajax-groups-select').each (i, select) =>
+      skip_ldap = $(select).hasClass('skip_ldap')
+
+      $(select).select2
+        placeholder: "Search for a group"
+        multiple: $(select).hasClass('multiselect')
+        minimumInputLength: 0
+        query: (query) ->
+          Api.groups query.term, skip_ldap, (groups) ->
+            data = { results: groups }
+            query.callback(data)
+
+        initSelection: (element, callback) ->
+          id = $(element).val()
+          if id isnt ""
+            Api.group(id, callback)
+
+
+        formatResult: (args...) =>
+          @formatResult(args...)
+        formatSelection: (args...) =>
+          @formatSelection(args...)
+        dropdownCssClass: "ajax-groups-dropdown"
+        escapeMarkup: (m) -> # we do not want to escape markup since we are displaying html in results
+          m
+
+  formatResult: (group) ->
+    if group.avatar_url
+      avatar = group.avatar_url
+    else
+      avatar = gon.default_avatar_url
+
+    "<div class='group-result'>
+       <div class='group-name'>#{group.name}</div>
+       <div class='group-path'>#{group.path}</div>
+     </div>"
+
+  formatSelection: (group) ->
+    group.name