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- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> \r
- <title>The source code</title>\r
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- <pre class="prettyprint lang-js"><div id="cls-Ext.form.ComboBox"></div>/**
+<html>
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title>The source code</title>
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
+</head>
+<body onload="prettyPrint();">
+ <pre class="prettyprint lang-js">/*!
+ * Ext JS Library 3.2.1
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+<div id="cls-Ext.form.ComboBox"></div>/**
* @class Ext.form.ComboBox
* @extends Ext.form.TriggerField
* <p>A combobox control with support for autocomplete, remote-loading, paging and many other features.</p>
*/
shadow : 'sides',
<div id="cfg-Ext.form.ComboBox-listAlign"></div>/**
- * @cfg {String} listAlign A valid anchor position value. See <tt>{@link Ext.Element#alignTo}</tt> for details
- * on supported anchor positions (defaults to <tt>'tl-bl?'</tt>)
+ * @cfg {String/Array} listAlign A valid anchor position value. See <tt>{@link Ext.Element#alignTo}</tt> for details
+ * on supported anchor positions and offsets. To specify x/y offsets as well, this value
+ * may be specified as an Array of <tt>{@link Ext.Element#alignTo}</tt> method arguments.</p>
+ * <pre><code>[ 'tl-bl?', [6,0] ]</code></pre>(defaults to <tt>'tl-bl?'</tt>)
*/
listAlign : 'tl-bl?',
<div id="cfg-Ext.form.ComboBox-maxHeight"></div>/**
* <tt>{@link Ext.form.TriggerField#editable editable} = false</tt>).
*/
minChars : 4,
+ <div id="cfg-Ext.form.ComboBox-autoSelect"></div>/**
+ * @cfg {Boolean} autoSelect <tt>true</tt> to select the first result gathered by the data store (defaults
+ * to <tt>true</tt>). A false value would require a manual selection from the dropdown list to set the components value
+ * unless the value of ({@link #typeAheadDelay}) were true.
+ */
+ autoSelect : true,
<div id="cfg-Ext.form.ComboBox-typeAhead"></div>/**
* @cfg {Boolean} typeAhead <tt>true</tt> to populate and autoselect the remainder of the text being
* typed after a configurable delay ({@link #typeAheadDelay}) if it matches a known value (defaults
* @param {Ext.form.ComboBox} combo This combo box
*/
'collapse',
+
<div id="event-Ext.form.ComboBox-beforeselect"></div>/**
* @event beforeselect
* Fires before a list item is selected. Return false to cancel the selection.
Ext.form.ComboBox.superclass.initValue.call(this);
if(this.hiddenField){
this.hiddenField.value =
- Ext.isDefined(this.hiddenValue) ? this.hiddenValue :
- Ext.isDefined(this.value) ? this.value : '';
+ Ext.value(Ext.isDefined(this.hiddenValue) ? this.hiddenValue : this.value, '');
+ }
+ },
+
+ getParentZIndex : function(){
+ var zindex;
+ if (this.ownerCt){
+ this.findParentBy(function(ct){
+ zindex = parseInt(ct.getPositionEl().getStyle('z-index'), 10);
+ return !!zindex;
+ });
}
+ return zindex;
},
// private
initList : function(){
if(!this.list){
- var cls = 'x-combo-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();
+ }
this.list = new Ext.Layer({
- parentEl: this.getListParent(),
+ parentEl: listParent,
shadow: this.shadow,
cls: [cls, this.listClass].join(' '),
constrain:false,
- zindex: 12000
+ zindex: (zindex || 12000) + 5
});
var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);
singleSelect: true,
selectedClass: this.selectedClass,
itemSelector: this.itemSelector || '.' + cls + '-item',
- emptyText: this.listEmptyText
+ emptyText: this.listEmptyText,
+ deferEmptyText: false
});
- this.mon(this.view, 'click', this.onViewClick, this);
+ this.mon(this.view, {
+ containerclick : this.onViewClick,
+ click : this.onViewClick,
+ scope :this
+ });
this.bindStore(this.store, true);
initEvents : function(){
Ext.form.ComboBox.superclass.initEvents.call(this);
+ <div id="prop-Ext.form.ComboBox-keyNav"></div>/**
+ * @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;
},
"tab" : function(e){
- this.onViewClick(false);
+ if (this.forceSelection === true) {
+ this.collapse();
+ } else {
+ this.onViewClick(false);
+ }
return true;
},
}
},
+
// private
onDestroy : function(){
if (this.dqTask){
// private
onResize : function(w, h){
Ext.form.ComboBox.superclass.onResize.apply(this, arguments);
- if(this.isVisible() && this.list){
+ if(!isNaN(w) && this.isVisible() && this.list){
this.doResize(w);
}else{
this.bufferSize = w;
if(this.editable){
this.el.dom.select();
}
- if(!this.selectByValue(this.value, true)){
+
+ if(this.autoSelect !== false && !this.selectByValue(this.value, true)){
this.select(0, true);
}
}else{
- this.selectNext();
+ if(this.autoSelect !== false){
+ this.selectNext();
+ }
if(this.typeAhead && this.lastKey != Ext.EventObject.BACKSPACE && this.lastKey != Ext.EventObject.DELETE){
this.taTask.delay(this.typeAheadDelay);
}
}
}else{
- this.onEmptyResults();
+ this.collapse();
}
- //this.el.focus();
+
},
// private
}
},
+ // private
+ assertValue : function(){
+ var val = this.getRawValue(),
+ rec = this.findRecord(this.displayField, val);
+
+ if(!rec && this.forceSelection){
+ if(val.length > 0 && val != this.emptyText){
+ this.el.dom.value = Ext.value(this.lastSelectionText, '');
+ this.applyEmptyText();
+ }else{
+ this.clearValue();
+ }
+ }else{
+ if(rec){
+ // onSelect may have already set the value and by doing so
+ // set the display field properly. Let's not wipe out the
+ // valueField here by just sending the displayField.
+ if (val == rec.get(this.displayField) && this.value == rec.get(this.valueField)){
+ return;
+ }
+ val = rec.get(this.valueField || this.displayField);
+ }
+ this.setValue(val);
+ }
+ },
+
// private
onSelect : function(record, index){
if(this.fireEvent('beforeselect', this, record, index) !== false){
}
this.lastSelectionText = text;
if(this.hiddenField){
- this.hiddenField.value = v;
+ this.hiddenField.value = Ext.value(v, '');
}
Ext.form.ComboBox.superclass.setValue.call(this, text);
this.value = v;
r = s.getAt(index);
if(r){
this.onSelect(r, index);
- }else if(s.getCount() === 0){
- this.onEmptyResults();
+ }else {
+ this.collapse();
}
if(doFocus !== false){
this.el.focus();
}
},
+
// private
restrictHeight : function(){
this.innerList.dom.style.height = '';
this.innerList.setHeight(h);
this.list.beginUpdate();
this.list.setHeight(h+pad);
- this.list.alignTo(this.wrap, this.listAlign);
+ this.list.alignTo.apply(this.list, [this.el].concat(this.listAlign));
this.list.endUpdate();
},
- // private
- onEmptyResults : function(){
- this.collapse();
- },
-
<div id="method-Ext.form.ComboBox-isExpanded"></div>/**
* Returns true if the dropdown list is expanded, else false.
*/
this.innerList.scrollChildIntoView(el, false);
}
}
+
},
// private
onKeyUp : function(e){
var k = e.getKey();
if(this.editable !== false && this.readOnly !== true && (k == e.BACKSPACE || !e.isSpecialKey())){
+
this.lastKey = k;
this.dqTask.delay(this.queryDelay);
}
// private
beforeBlur : function(){
- var val = this.getRawValue(),
- rec = this.findRecord(this.displayField, val);
- if(!rec && this.forceSelection){
- if(val.length > 0 && val != this.emptyText){
- this.el.dom.value = Ext.isEmpty(this.lastSelectionText) ? '' : this.lastSelectionText;
- this.applyEmptyText();
- }else{
- this.clearValue();
- }
- }else{
- if(rec){
- val = rec.get(this.valueField || this.displayField);
- }
- this.setValue(val);
- }
+ this.assertValue();
+ },
+
+ // private
+ postBlur : function(){
+ Ext.form.ComboBox.superclass.postBlur.call(this);
+ this.collapse();
+ this.inKeyMode = false;
},
<div id="method-Ext.form.ComboBox-doQuery"></div>/**
// private
collapseIf : function(e){
- if(!e.within(this.wrap) && !e.within(this.list)){
+ if(!this.isDestroyed && !e.within(this.wrap) && !e.within(this.list)){
this.collapse();
}
},
if(this.isExpanded() || !this.hasFocus){
return;
}
+
+ if(this.title || this.pageSize){
+ this.assetHeight = 0;
+ if(this.title){
+ this.assetHeight += this.header.getHeight();
+ }
+ if(this.pageSize){
+ this.assetHeight += this.footer.getHeight();
+ }
+ }
+
if(this.bufferSize){
this.doResize(this.bufferSize);
delete this.bufferSize;
}
- this.list.alignTo(this.wrap, this.listAlign);
+ 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.show();
if(Ext.isGecko2){
this.innerList.setOverflow('auto'); // necessary for FF 2.0/Mac
});
Ext.reg('combo', Ext.form.ComboBox);
-</pre> \r
-</body>\r
+</pre>
+</body>
</html>
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