text: /*
  This file is part of Ext JS 4.2
  
  Copyright (c) 2011-2013 Sencha Inc
  
  Contact:  http://www.sencha.com/contact
  
  Commercial Usage
  Licensees holding valid commercial licenses may use this file in accordance with the Commercial
  Software License Agreement provided with the Software or, alternatively, in accordance with the
  terms contained in a written agreement between you and Sencha.
  
  If you are unsure which license is appropriate for your use, please contact the sales department
  at http://www.sencha.com/contact.
  
  Build date: 2013-03-11 22:33:40 (aed16176e68b5e8aa1433452b12805c0ad913836)
  */
  /**
   * @class Ext.chart.Highlight
   * A mixin providing highlight functionality for Ext.chart.series.Series.
   */
  Ext.define('Ext.chart.Highlight', {
  
      /* Begin Definitions */
  
      requires: ['Ext.fx.Anim'],
  
      /* End Definitions */
  
      /**
       * @cfg {Boolean/Object} [highlight=false] Set to `true` to enable highlighting using the {@link #highlightCfg default highlight attributes}.
       * 
       * Can also be an object with style properties (i.e fill, stroke, stroke-width, radius) which are may override the {@link #highlightCfg default highlight attributes}.
       */
      highlight: false,
  
      /**
       * @property {Object} highlightCfg The default properties to apply as a highight. Value is
       *
       *    {
       *        fill: '#fdd',
       *        "stroke-width": 5,
       *        stroke: "#f55'
       *    }
       */
      highlightCfg : {
          fill: '#fdd',
          "stroke-width": 5,
          stroke: '#f55'
      },
  
      constructor: function(config) {
          // If configured with a highlight object, apply to to *a local copy of* this class's highlightCfg. Do not mutate the prototype's copy.
          if (config.highlight && (typeof config.highlight !== 'boolean')) { //is an object
              this.highlightCfg = Ext.merge({}, this.highlightCfg, config.highlight);
          }
      },
  
      /**
       * Highlight the given series item.
       * @param {Object} item Info about the item; same format as returned by #getItemForPoint.
       */
      highlightItem: function(item) {
          if (!item) {
              return;
          }
          
          var me = this,
              sprite = item.sprite,
              opts = Ext.merge({}, me.highlightCfg, me.highlight),
              surface = me.chart.surface,
              animate = me.chart.animate,
              p, from, to, pi;
  
          if (!me.highlight || !sprite || sprite._highlighted) {
              return;
          }
          if (sprite._anim) {
              sprite._anim.paused = true;
          }
          sprite._highlighted = true;
          if (!sprite._defaults) {
              sprite._defaults = Ext.apply({}, sprite.attr);
              from = {};
              to = {};
              // TODO: Clean up code below.
              for (p in opts) {
                  if (! (p in sprite._defaults)) {
                      sprite._defaults[p] = surface.availableAttrs[p];
                  }
                  from[p] = sprite._defaults[p];
                  to[p] = opts[p];
                  if (Ext.isObject(opts[p])) {
                      from[p] = {};
                      to[p] = {};
                      Ext.apply(sprite._defaults[p], sprite.attr[p]);
                      Ext.apply(from[p], sprite._defaults[p]);
                      for (pi in sprite._defaults[p]) {
                          if (! (pi in opts[p])) {
                              to[p][pi] = from[p][pi];
                          } else {
                              to[p][pi] = opts[p][pi];
                          }
                      }
                      for (pi in opts[p]) {
                          if (! (pi in to[p])) {
                              to[p][pi] = opts[p][pi];
                          }
                      }
                  }
              }
              sprite._from = from;
              sprite._to = to;
              sprite._endStyle = to;
          }
          if (animate) {
              sprite._anim = new Ext.fx.Anim({
                  target: sprite,
                  from: sprite._from,
                  to: sprite._to,
                  duration: 150
              });
          } else {
              sprite.setAttributes(sprite._to, true);
          }
      },
  
      /**
       * Un-highlight any existing highlights
       */
      unHighlightItem: function() {
          if (!this.highlight || !this.items) {
              return;
          }
  
          var me = this,
              items = me.items,
              len = items.length,
              opts = Ext.merge({}, me.highlightCfg, me.highlight),
              animate = me.chart.animate,
              i = 0,
              obj, p, sprite;
          for (; i < len; i++) {
              if (!items[i]) {
                  continue;
              }
              sprite = items[i].sprite;
              if (sprite && sprite._highlighted) {
                  if (sprite._anim) {
                      sprite._anim.paused = true;
                  }
                  obj = {};
                  for (p in opts) {
                      if (Ext.isObject(sprite._defaults[p])) {
                          obj[p] = Ext.apply({}, sprite._defaults[p]);
                      }
                      else {
                          obj[p] = sprite._defaults[p];
                      }
                  }
                  if (animate) {
                      //sprite._to = obj;
                      sprite._endStyle = obj;
                      sprite._anim = new Ext.fx.Anim({
                          target: sprite,
                          to: obj,
                          duration: 150
                      });
                  }
                  else {
                      sprite.setAttributes(obj, true);
                  }
                  delete sprite._highlighted;
                  //delete sprite._defaults;
              }
          }
      },
  
      cleanHighlights: function() {
          if (!this.highlight) {
              return;
          }
  
          var group = this.group,
              markerGroup = this.markerGroup,
              i = 0,
              l;
          for (l = group.getCount(); i < l; i++) {
              delete group.getAt(i)._defaults;
          }
          if (markerGroup) {
              for (l = markerGroup.getCount(); i < l; i++) {
                  delete markerGroup.getAt(i)._defaults;
              }
          }
      }
  });