Sencha Touch 2 custom colorpicker

ColorPickerField.js

/*
Original Author        : Mitchell Simoens
ST2 revision Author    : Di Peng
ST2 revised revision by: webmaster@subimage.com

Purpose      : Creation of a custom color picker

License      : GPL v3 (http://www.gnu.org/licenses/gpl.html)
Warranty     : none
Price        : free
Version      : 2
Date         : 9/11/2012
*/

Ext.define("Ext.ux.field.ColorPicker", {
  extend: 'Ext.field.Field',
  xtype: 'colorpickerfield',
  config: {
    ui: 'select',
    picker: null,
    destroyPickerOnHide: false,
    displaySlot: "color",
    colors : [
      '000000', '993300', '333300', '003300', '003366', '000080', '333399', '333333',
      '800000', 'FF6600', '808000', '008000', '008080', '0000FF', '666699', '808080',
      'FF0000', 'FF9900', '99CC00', '339966', '33CCCC', '3366FF', '800080', '969696',
      'FF00FF', 'FFCC00', 'FFFF00', '00FF00', '00FFFF', '00CCFF', '993366', 'C0C0C0',
      'FF99CC', 'FFCC99', 'FFFF99', 'CCFFCC', 'CCFFFF', '99CCFF', 'CC99FF', 'FFFFFF'
    ],
    listeners: [
      {
        element: 'innerElement',
        event: 'tap',
        fn: 'onTap'
      }
    ]
  },
  initialize: function() {
    this.callParent(arguments);    
    this.makePicker();
  },
  makePicker: function() {
    var data = this.makeColors();

    var colorSlot = {
      name: "color",
      title: "Color",
      data: data
    };

    var colorPicker = {
      slots : [colorSlot]
    };

    this.setPicker(colorPicker);
  },
  makeColors: function() {
    var tpl = new Ext.Template(
      "<div style='background-color: #{color}; width: 75%; height: 2em; margin: .25em auto; border: 2px solid #000;'>&nbsp;</div>",
      { compiled: true }
    );

    var data = [];
    var colors = this.getColors();

    for (var i = 0; i < colors.length; i++) {
      var color = colors[i];
      var obj = {
        text: tpl.apply({ color: color }),
        value: color
      };
      data.push(obj);
    }
    return data;
  },
  getFieldPicker: function() {
    if (!this.fieldPicker) {
      var picker = this.getPicker();
      if (picker instanceof Ext.Picker) {
        this.fieldPicker = picker;
      } else {
        this.fieldPicker = Ext.create('Ext.Picker', Ext.apply(picker || {}));
      }

      var value = { color: this.value };

      this.fieldPicker.setValue(value);

      this.fieldPicker.on({
        scope : this,
        change: this.onPickerChange,
        hide  : this.onPickerHide
      });
    }

    return this.fieldPicker;
  },

  onTap: function() {
    this.getFieldPicker().show();
  },

  onPickerChange : function(picker, value) {
    this.setValue(value);
    this.fireEvent('select', this, this.value);
  },

  onPickerHide: function() {
    if (this.destroyPickerOnHide && this.fieldPicker) {
      this.fieldPicker.destroy();
    }
  },

  setValue: function(value, animated) {
    if (typeof value === "string") {
      this.value = value;
    } else {
      var name;
      for (name in value) {
        this.value = value[name];
      }
    }

    if (this.rendered && value !== "") {
      var colorDiv = this.getText();
      colorDiv = colorDiv.replace("height: 2em; margin: .25em auto;", "margin:.25em;");
      debugObj = this;
      // so it aligns internally properly
      this.innerElement.dom.style.display = "-webkit-box";
      // insert html block
      this.innerElement.dom.innerHTML = colorDiv;
    }

    return this;
  },

  getText: function() {
    var picker = this.getPicker(),
    slots = picker.slots,
    slot,
    value = this.value || null;

    if (value === null) {
      return null;
    }

    var name = this.getDisplaySlot();

    for (var i = 0; i < slots.length; i++) {
      var tmpSlot = slots[i];
      if (tmpSlot.name === name) {
        slot = tmpSlot;
        break ;
      }
    }
    var data = slot.data;
    var text;
    for (var i = 0; i < data.length; i++) {
      if (data[i].value === value) {
        text = data[i].text;
        break ;
      }
    }

    return text;
  },

  getValue: function() {
    var value = this.value || null;

    return value;
  },

  destroy: function() {
    if (this.fieldPicker) {
      this.fieldPicker.destroy();
    }

    this.callParent(arguments);
  }

})

thx !!