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Ext.ux.Wizard.CardLayout.js (1919B)

      1 /**
      2  * Licensed under GNU LESSER GENERAL PUBLIC LICENSE Version 3
      3  *
      4  * @author Thorsten Suckow-Homberg <ts@siteartwork.de>
      5  * @url http://www.siteartwork.de/cardlayout
      6  */
      7 
      8 /**
      9  * @class Ext.ux.layout.CardLayout
     10  * @extends Ext.layout.CardLayout
     11  *
     12  * A specific {@link Ext.layout.CardLayout} that only sets the active item
     13  * if the 'beforehide'-method of the card to hide did not return false (in this case,
     14  * components usually won't be hidden).
     15  * The original implementation of {@link Ext.layout.CardLayout} does not take
     16  * the return value of the 'beforehide'-method into account.
     17  *
     18  * @constructor
     19  * @param {Object} config The config object
     20  */
     21 Ext.define('Ext.ux.wizard.CardLayout', {
     22 	
     23 	extend: 'Ext.layout.container.Card',
     24 
     25     /**
     26      * Sets the active (visible) item in the layout.
     27      *
     28      * If the currently visible item is still visible after calling the 'hide()
     29      * method on it, this implementation assumes that the 'beforehide'-event returned
     30      * false, thus not the item was not allowed to be hidden. The active item will then
     31      * equal to the item that was active, before this method was called.
     32      *
     33      * @param {String/Number} item The string component id or numeric index of the item to activate
     34      */
     35     setActiveItem : function(item){
     36         item = this.container.getComponent(item);
     37         if(this.activeItem != item){
     38             if(this.activeItem){
     39                 this.activeItem.hide();
     40             }
     41             // check if the beforehide method allowed to
     42             // hide the current item
     43             if (this.activeItem && !this.activeItem.hidden) {
     44                 return;
     45             }
     46             var layout = item.doLayout && (this.layoutOnCardChange || !item.rendered);
     47             this.activeItem = item;
     48             item.show();
     49             this.layout();
     50             if(layout){
     51                 item.doLayout();
     52             }
     53         }
     54     }
     55 
     56 });