SOURCE CODE: Uize.Widgets.HslSliders.Lightness.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.HslSliders.Lightness.Widget Class
|   /    / /    |
|  /    / /  /| |    ONLINE : http://uize.com
| /____/ /__/_| | COPYRIGHT : (c)2015-2016 UIZE
|          /___ |   LICENSE : Available under MIT License or GNU General Public License
|_______________|             http://uize.com/license.html
*/

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

/*?
  Introduction
    The =Uize.Widgets.HslSliders.Lightness.Widget= module implements a widget class.

    *DEVELOPERS:* `Chris van Rensburg`

    Visual Sampler
      Below is a visual sampler of the =Uize.Widgets.HslSliders.Lightness.Widget= class...

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

      widgetClass: Uize.Widgets.HslSliders.Lightness.VisualSampler
      ..................................................................
*/

Uize.module ({
  name:'Uize.Widgets.HslSliders.Lightness.Widget',
  superclass:'Uize.Widgets.Slider.Gradient.Widget',
  required:'Uize.Color',
  builder:function (_superclass) {
    'use strict';

    return _superclass.subclass ({
      stateProperties:{
        hue:{value:0},
        saturation:{value:100},

        /*** derived properties ***/
          knobColor:{
            derived:'hue, saturation, value: Uize.Color.from ({hue:hue,saturation:saturation,lightness:value}).to ("#hex")'
          },
          gradient:{
            derived:'hue, saturation: "#000, " + Uize.Color.from ({hue:hue,saturation:saturation,lightness:50}).to ("#hex") + ", #fff"'
          }
      },

      set:{
        increments:1,
        minValue:0,
        maxValue:100
      }
    });
  }
});