SOURCE CODE: Uize.Widgets.ColorSliders.Vert.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.ColorSliders.Vert.Widget Class
|   /    / /    |
|  /    / /  /| |    ONLINE : http://www.uize.com
| /____/ /__/_| | COPYRIGHT : (c)2015-2016 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.ColorSliders.Vert.Widget= module implements a widget class.

    *DEVELOPERS:* `Chris van Rensburg`

    Visual Sampler
      Below is a visual sampler of the =Uize.Widgets.ColorSliders.Vert.Widget= class...

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

      widgetClass: Uize.Widgets.ColorSliders.Vert.VisualSampler
      .........................................................
*/

Uize.module ({
  name:'Uize.Widgets.ColorSliders.Vert.Widget',
  superclass:'Uize.Widget.V2',
  required:[
    'Uize.Widgets.ColorSliders.Vert.Html',
    'Uize.Widgets.ColorSliders.Vert.Css',
    'Uize.Color'
  ],
  builder:function (_superclass) {
    'use strict';

    /*** Private Instance Methods ***/
      function _updateValueFromSliders () {
        var m = this;
        if (!m._settingSliders) {
          var _children = m.children;
          Uize.Color.setTuple (m._color.tuple,+_children.channel0,+_children.channel1,+_children.channel2);
          m.set ({_value:m._color});
        }
      }

    return _superclass.subclass ({
      alphastructor:function () {
        (this._color = Uize.Color ()).setEncoding (this.Class.colorEncoding);
      },

      stateProperties:{
        _sliderHeight:{
          name:'sliderHeight',
          value:286
        },
        _value:{
          name:'value',
          conformer:function (_value) {return Uize.Color.to (_value,this.Class.colorEncoding)},
          onChange:function () {
            var
              m = this,
              _colorTuple = m._color.from (m._value).tuple
            ;
            m._settingSliders = true;
            m.set ({
              children:{
                channel0:{value:_colorTuple [0]},
                channel1:{value:_colorTuple [1]},
                channel2:{value:_colorTuple [2]}
              }
            });
            m._settingSliders = false;
          },
          value:'000000'
        }
      },

      set:{
        html:Uize.Widgets.ColorSliders.Vert.Html
      },

      staticProperties:{
        cssModule:Uize.Widgets.ColorSliders.Vert.Css,
        colorEncoding:'hex'
      },

      children:Uize.lookup (
        ['channel0','channel1','channel2'],
        {
          orientation:'vertical',
          trackLength:'100%',
          increments:1
        }
      ),

      htmlBindings:{
        sliderHeight:[
          'channel0:style.height',
          'channel1:style.height',
          'channel2:style.height'
        ],
        loc_channel0Label:'channel0Label',
        loc_channel0Tooltip:'channel0Label:title',
        loc_channel1Label:'channel1Label',
        loc_channel1Tooltip:'channel1Label:title',
        loc_channel2Label:'channel2Label',
        loc_channel2Tooltip:'channel2Label:title'
      },

      eventBindings:{
        'channel0:Changed.value':_updateValueFromSliders,
        'channel1:Changed.value':_updateValueFromSliders,
        'channel2:Changed.value':_updateValueFromSliders
      }
    });
  }
});