SOURCE CODE: Uize.Widgets.NavTree.List.Widget (view docs)

/*______________
|       ______  |   U I Z E    J A V A S C R I P T    F R A M E W O R K
|     /      /  |   ---------------------------------------------------
|    /    O /   |    MODULE : Uize.Widgets.NavTree.List.Widget Class
|   /    / /    |
|  /    / /  /| |    ONLINE : http://www.uize.com
| /____/ /__/_| | COPYRIGHT : (c)2013-2016 UIZE
|          /___ |   LICENSE : Available under MIT License or GNU General Public License
|_______________|             http://www.uize.com/license.html
*/

/* Module Meta Data
  type: Class
  importance: 1
  codeCompleteness: 5
  docCompleteness: 5
*/

/*?
  Introduction
    The =Uize.Widgets.NavTree.List.Widget= module implements a widget class.

    *DEVELOPERS:* `Chris van Rensburg`

    Visual Sampler
      Below is a visual sampler of the =Uize.Widgets.NavTree.List.Widget= class...

      ....................................................
      << widget >>

      widgetClass: Uize.Widgets.NavTree.List.VisualSampler
      ....................................................
*/

Uize.module ({
  name:'Uize.Widgets.NavTree.List.Widget',
  superclass:'Uize.Widget.Tree.ListAbstract',
  required:[
    'Uize.Widget.mV2',
    'Uize.Widgets.NavTree.List.Html',
    'Uize.Widgets.NavTree.List.Css',
    'Uize.Dom.Classes'
  ],
  builder:function (_superclass) {
    'use strict';

    var _Uize_Dom_Classes = Uize.Dom.Classes;

    return _superclass.subclass ({
      mixins:Uize.Widget.mV2,

      instanceMethods:{
        setItemExpanded:function (_itemSpecifier,_expanded) {
          var m = this;
          if (m.isWired) {
            var
              _item = m.getItemFromSpecifier (_itemSpecifier),
              _togglerLink = m.getNode (_itemSpecifier + 'TogglerLink')
            ;
            _expanded = _item.expanded = typeof _expanded == 'boolean' ? _expanded : _item.expanded === false;
            m.setNodeProperties (_togglerLink,{title:m.getTogglerTitle (_item)});
            _Uize_Dom_Classes.setState (
              _togglerLink,
              [m.cssClass ('collapsed'),m.cssClass ('expanded')],
              _expanded
            );
            m.displayNode (_itemSpecifier + 'Children',_expanded);
          } else {
            _superclass.doMy (m,'setItemExpanded',[_itemSpecifier,_expanded]);
          }
        }
      },

      set:{
        built:true,
        html:Uize.Widgets.NavTree.List.Html
      },

      staticProperties:{
        cssModule:Uize.Widgets.NavTree.List.Css
      }
    });
  }
});