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File: ColorBox.js

/**
 * ColorBox.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

/**
 * This widget lets you enter colors and browse for colors by pressing the color button. It also displays
 * a preview of the current color.
 *
 * @-x-less ColorBox.less
 * @class tinymce.ui.ColorBox
 * @extends tinymce.ui.ComboBox
 */
define(
  'tinymce.core.ui.ColorBox',
  [
    "tinymce.core.ui.ComboBox"
  ],
  function (ComboBox) {
    "use strict";

    return ComboBox.extend({
      /**
       * Constructs a new control instance with the specified settings.
       *
       * @constructor
       * @param {Object} settings Name/value object with settings.
       */
      init: function (settings) {
        var self = this;

        settings.spellcheck = false;

        if (settings.onaction) {
          settings.icon = 'none';
        }

        self._super(settings);

        self.classes.add('colorbox');
        self.on('change keyup postrender', function () {
          self.repaintColor(self.value());
        });
      },

      repaintColor: function (value) {
        var openElm = this.getEl('open');
        var elm = openElm ? openElm.getElementsByTagName('i')[0] : null;

        if (elm) {
          try {
            elm.style.background = value;
          } catch (ex) {
            // Ignore
          }
        }
      },

      bindStates: function () {
        var self = this;

        self.state.on('change:value', function (e) {
          if (self.state.get('rendered')) {
            self.repaintColor(e.value);
          }
        });

        return self._super();
      }
    });
  }
);