X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/6a7e4474cba9d8be4b2ec445e10f1691f7277c50..b37ceabb82336ee82757cd32efe353cfab8ec267:/src/widgets/form/Combo.js

diff --git a/src/widgets/form/Combo.js b/src/widgets/form/Combo.js
index c1ec8ee3..87b89fc4 100644
--- a/src/widgets/form/Combo.js
+++ b/src/widgets/form/Combo.js
@@ -1,5 +1,5 @@
 /*!
- * Ext JS Library 3.2.0
+ * Ext JS Library 3.2.2
  * Copyright(c) 2006-2010 Ext JS, Inc.
  * licensing@extjs.com
  * http://www.extjs.com/license
@@ -524,24 +524,28 @@ var combo = new Ext.form.ComboBox({
         }
         return zindex;
     },
+    
+    getZIndex : function(listParent){
+        listParent = listParent || Ext.getDom(this.getListParent() || Ext.getBody());
+        var zindex = parseInt(Ext.fly(listParent).getStyle('z-index'), 10);
+        if(!zindex){
+            zindex = this.getParentZIndex();
+        }
+        return (zindex || 12000) + 5;
+    },
 
     // private
     initList : function(){
         if(!this.list){
             var cls = 'x-combo-list',
-                listParent = Ext.getDom(this.getListParent() || Ext.getBody()),
-                zindex = parseInt(Ext.fly(listParent).getStyle('z-index'), 10);
-
-            if (!zindex) {
-                zindex = this.getParentZIndex();
-            }
+                listParent = Ext.getDom(this.getListParent() || Ext.getBody());
 
             this.list = new Ext.Layer({
                 parentEl: listParent,
                 shadow: this.shadow,
                 cls: [cls, this.listClass].join(' '),
                 constrain:false,
-                zindex: (zindex || 12000) + 5
+                zindex: this.getZIndex(listParent)
             });
 
             var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
@@ -743,7 +747,23 @@ var menu = new Ext.menu.Menu({
     initEvents : function(){
         Ext.form.ComboBox.superclass.initEvents.call(this);
 
-
+        /**
+         * @property keyNav
+         * @type Ext.KeyNav
+         * <p>A {@link Ext.KeyNav KeyNav} object which handles navigation keys for this ComboBox. This performs actions
+         * based on keystrokes typed when the input field is focused.</p>
+         * <p><b>After the ComboBox has been rendered</b>, you may override existing navigation key functionality,
+         * or add your own based upon key names as specified in the {@link Ext.KeyNav KeyNav} class.</p>
+         * <p>The function is executed in the scope (<code>this</code> reference of the ComboBox. Example:</p><pre><code>
+myCombo.keyNav.esc = function(e) {  // Override ESC handling function
+    this.collapse();                // Standard behaviour of Ext's ComboBox.
+    this.setValue(this.startValue); // We reset to starting value on ESC
+};
+myCombo.keyNav.tab = function() {   // Override TAB handling function
+    this.onViewClick(false);        // Select the currently highlighted row
+};
+</code></pre>
+         */
         this.keyNav = new Ext.KeyNav(this.el, {
             "up" : function(e){
                 this.inKeyMode = true;
@@ -1282,14 +1302,7 @@ var menu = new Ext.menu.Menu({
         this.list.alignTo.apply(this.list, [this.el].concat(this.listAlign));
 
         // zindex can change, re-check it and set it if necessary
-        var listParent = Ext.getDom(this.getListParent() || Ext.getBody()),
-            zindex = parseInt(Ext.fly(listParent).getStyle('z-index') ,10);
-        if (!zindex){
-            zindex = this.getParentZIndex();
-        }
-        if (zindex) {
-            this.list.setZIndex(zindex + 5);
-        }
+        this.list.setZIndex(this.getZIndex());
         this.list.show();
         if(Ext.isGecko2){
             this.innerList.setOverflow('auto'); // necessary for FF 2.0/Mac