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WebRoot/plugins/websocketInstantMsg/ext4/ux/TabReorderer.js 1.47 KB
ad5081d3   孙向锦   初始化项目
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  /**
   * @class Ext.ux.TabReorderer
   * @extends Ext.ux.BoxReorderer
   * This plugin allow you to reorder tabs of a TabPanel.
   */
  Ext.define('Ext.ux.TabReorderer', {
  
      extend: 'Ext.ux.BoxReorderer',
  
      itemSelector: '.x-tab',
  
      init: function(tabPanel) {
          var me = this;
          
          me.callParent([tabPanel.getTabBar()]);
  
          // Ensure reorderable property is copied into dynamically added tabs
          tabPanel.onAdd = Ext.Function.createSequence(tabPanel.onAdd, me.onAdd);
      },
  
      afterFirstLayout: function() {
          var tabs,
              len,
              i = 0,
              tab;
  
          this.callParent(arguments);
  
          // Copy reorderable property from card into tab
          for (tabs = this.container.items.items, len = tabs.length; i < len; i++) {
              tab = tabs[i];
              if (tab.card) {
                  tab.reorderable = tab.card.reorderable;
              }
          }
      },
  
      onAdd: function(card, index) {
          card.tab.reorderable = card.reorderable;
      },
  
      afterBoxReflow: function() {
          var me = this;
  
          // Cannot use callParent, this is not called in the scope of this plugin, but that of its Ext.dd.DD object
          Ext.ux.BoxReorderer.prototype.afterBoxReflow.apply(me, arguments);
  
          // Move the associated card to match the tab order
          if (me.dragCmp) {
              me.container.tabPanel.setActiveTab(me.dragCmp.card);
              me.container.tabPanel.move(me.startIndex, me.curIndex);
          }
      }
  });