Upgrade to ExtJS 3.2.1 - Released 04/27/2010
[extjs.git] / docs / source / TriggerField.html
index d9a634e..f720622 100644 (file)
@@ -1,11 +1,18 @@
-<html>\r
-<head>\r
-  <title>The source code</title>\r
-    <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
-    <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
-</head>\r
-<body  onload="prettyPrint();">\r
-    <pre class="prettyprint lang-js"><div id="cls-Ext.form.TriggerField"></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.TriggerField"></div>/**
  * @class Ext.form.TriggerField
  * @extends Ext.form.TextField
  * Provides a convenient wrapper for TextFields that adds a clickable trigger button (looks like a combobox by default).
  * @class Ext.form.TriggerField
  * @extends Ext.form.TextField
  * Provides a convenient wrapper for TextFields that adds a clickable trigger button (looks like a combobox by default).
@@ -20,7 +27,7 @@ trigger.applyToMarkup('my-field');
  *
  * However, in general you will most likely want to use TriggerField as the base class for a reusable component.
  * {@link Ext.form.DateField} and {@link Ext.form.ComboBox} are perfect examples of this.
  *
  * However, in general you will most likely want to use TriggerField as the base class for a reusable component.
  * {@link Ext.form.DateField} and {@link Ext.form.ComboBox} are perfect examples of this.
- * 
+ *
  * @constructor
  * Create a new TriggerField.
  * @param {Object} config Configuration options (valid {@Ext.form.TextField} config options will also be applied
  * @constructor
  * Create a new TriggerField.
  * @param {Object} config Configuration options (valid {@Ext.form.TextField} config options will also be applied
@@ -56,16 +63,22 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
     hideTrigger:false,
     <div id="cfg-Ext.form.TriggerField-editable"></div>/**
      * @cfg {Boolean} editable <tt>false</tt> to prevent the user from typing text directly into the field,
     hideTrigger:false,
     <div id="cfg-Ext.form.TriggerField-editable"></div>/**
      * @cfg {Boolean} editable <tt>false</tt> to prevent the user from typing text directly into the field,
-     * the field will only respond to a click on the trigger to set the value. (defaults to <tt>true</tt>)
+     * the field will only respond to a click on the trigger to set the value. (defaults to <tt>true</tt>).
      */
     editable: true,
      */
     editable: true,
+    <div id="cfg-Ext.form.TriggerField-readOnly"></div>/**
+     * @cfg {Boolean} readOnly <tt>true</tt> to prevent the user from changing the field, and
+     * hides the trigger.  Superceeds the editable and hideTrigger options if the value is true.
+     * (defaults to <tt>false</tt>)
+     */
+    readOnly: false,
     <div id="cfg-Ext.form.TriggerField-wrapFocusClass"></div>/**
      * @cfg {String} wrapFocusClass The class added to the to the wrap of the trigger element. Defaults to
      * <tt>x-trigger-wrap-focus</tt>.
      */
     wrapFocusClass: 'x-trigger-wrap-focus',
     <div id="method-Ext.form.TriggerField-autoSize"></div>/**
     <div id="cfg-Ext.form.TriggerField-wrapFocusClass"></div>/**
      * @cfg {String} wrapFocusClass The class added to the to the wrap of the trigger element. Defaults to
      * <tt>x-trigger-wrap-focus</tt>.
      */
     wrapFocusClass: 'x-trigger-wrap-focus',
     <div id="method-Ext.form.TriggerField-autoSize"></div>/**
-     * @hide 
+     * @hide
      * @method autoSize
      */
     autoSize: Ext.emptyFn,
      * @method autoSize
      */
     autoSize: Ext.emptyFn,
@@ -75,29 +88,27 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
     deferHeight : true,
     // private
     mimicing : false,
     deferHeight : true,
     // private
     mimicing : false,
-    
+
     actionMode: 'wrap',
 
     actionMode: 'wrap',
 
+    defaultTriggerWidth: 17,
+
     // private
     onResize : function(w, h){
         Ext.form.TriggerField.superclass.onResize.call(this, w, h);
     // private
     onResize : function(w, h){
         Ext.form.TriggerField.superclass.onResize.call(this, w, h);
-        if(typeof w == 'number'){
-            this.el.setWidth(this.adjustWidth('input', w - this.trigger.getWidth()));
+        var tw = this.getTriggerWidth();
+        if(Ext.isNumber(w)){
+            this.el.setWidth(w - tw);
         }
         }
-        this.wrap.setWidth(this.el.getWidth()+this.trigger.getWidth());
+        this.wrap.setWidth(this.el.getWidth() + tw);
     },
 
     },
 
-    // private
-    adjustSize : Ext.BoxComponent.prototype.adjustSize,
-
-    // private
-    getResizeEl : function(){
-        return this.wrap;
-    },
-
-    // private
-    getPositionEl : function(){
-        return this.wrap;
+    getTriggerWidth: function(){
+        var tw = this.trigger.getWidth();
+        if(!this.hideTrigger && !this.readOnly && tw === 0){
+            tw = this.defaultTriggerWidth;
+        }
+        return tw;
     },
 
     // private
     },
 
     // private
@@ -109,41 +120,100 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
 
     // private
     onRender : function(ct, position){
 
     // private
     onRender : function(ct, position){
+        this.doc = Ext.isIE ? Ext.getBody() : Ext.getDoc();
         Ext.form.TriggerField.superclass.onRender.call(this, ct, position);
 
         this.wrap = this.el.wrap({cls: 'x-form-field-wrap x-form-field-trigger-wrap'});
         this.trigger = this.wrap.createChild(this.triggerConfig ||
                 {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger " + this.triggerClass});
         Ext.form.TriggerField.superclass.onRender.call(this, ct, position);
 
         this.wrap = this.el.wrap({cls: 'x-form-field-wrap x-form-field-trigger-wrap'});
         this.trigger = this.wrap.createChild(this.triggerConfig ||
                 {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger " + this.triggerClass});
-        if(this.hideTrigger){
-            this.trigger.setDisplayed(false);
-        }
         this.initTrigger();
         if(!this.width){
             this.wrap.setWidth(this.el.getWidth()+this.trigger.getWidth());
         }
         this.initTrigger();
         if(!this.width){
             this.wrap.setWidth(this.el.getWidth()+this.trigger.getWidth());
         }
-        if(!this.editable){
-            this.editable = true;
-            this.setEditable(false);
+        this.resizeEl = this.positionEl = this.wrap;
+    },
+
+    getWidth: function() {
+        return(this.el.getWidth() + this.trigger.getWidth());
+    },
+
+    updateEditState: function(){
+        if(this.rendered){
+            if (this.readOnly) {
+                this.el.dom.readOnly = true;
+                this.el.addClass('x-trigger-noedit');
+                this.mun(this.el, 'click', this.onTriggerClick, this);
+                this.trigger.setDisplayed(false);
+            } else {
+                if (!this.editable) {
+                    this.el.dom.readOnly = true;
+                    this.el.addClass('x-trigger-noedit');
+                    this.mon(this.el, 'click', this.onTriggerClick, this);
+                } else {
+                    this.el.dom.readOnly = false;
+                    this.el.removeClass('x-trigger-noedit');
+                    this.mun(this.el, 'click', this.onTriggerClick, this);
+                }
+                this.trigger.setDisplayed(!this.hideTrigger);
+            }
+            this.onResize(this.width || this.wrap.getWidth());
+        }
+    },
+
+    setHideTrigger: function(hideTrigger){
+        if(hideTrigger != this.hideTrigger){
+            this.hideTrigger = hideTrigger;
+            this.updateEditState();
+        }
+    },
+
+    <div id="method-Ext.form.TriggerField-setEditable"></div>/**
+     * @param {Boolean} value True to allow the user to directly edit the field text
+     * Allow or prevent the user from directly editing the field text.  If false is passed,
+     * the user will only be able to modify the field using the trigger.  Will also add
+     * a click event to the text field which will call the trigger. This method
+     * is the runtime equivalent of setting the 'editable' config option at config time.
+     */
+    setEditable: function(editable){
+        if(editable != this.editable){
+            this.editable = editable;
+            this.updateEditState();
+        }
+    },
+
+    <div id="method-Ext.form.TriggerField-setReadOnly"></div>/**
+     * @param {Boolean} value True to prevent the user changing the field and explicitly
+     * hide the trigger.
+     * Setting this to true will superceed settings editable and hideTrigger.
+     * Setting this to false will defer back to editable and hideTrigger. This method
+     * is the runtime equivalent of setting the 'readOnly' config option at config time.
+     */
+    setReadOnly: function(readOnly){
+        if(readOnly != this.readOnly){
+            this.readOnly = readOnly;
+            this.updateEditState();
         }
     },
 
     afterRender : function(){
         Ext.form.TriggerField.superclass.afterRender.call(this);
         }
     },
 
     afterRender : function(){
         Ext.form.TriggerField.superclass.afterRender.call(this);
+        this.updateEditState();
     },
 
     // private
     initTrigger : function(){
     },
 
     // private
     initTrigger : function(){
-       this.mon(this.trigger, 'click', this.onTriggerClick, this, {preventDefault:true});
+        this.mon(this.trigger, 'click', this.onTriggerClick, this, {preventDefault:true});
         this.trigger.addClassOnOver('x-form-trigger-over');
         this.trigger.addClassOnClick('x-form-trigger-click');
     },
 
     // private
     onDestroy : function(){
         this.trigger.addClassOnOver('x-form-trigger-over');
         this.trigger.addClassOnClick('x-form-trigger-click');
     },
 
     // private
     onDestroy : function(){
-               Ext.destroy(this.trigger, this.wrap);
+        Ext.destroy(this.trigger, this.wrap);
         if (this.mimicing){
         if (this.mimicing){
-            Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);
+            this.doc.un('mousedown', this.mimicBlur, this);
         }
         }
+        delete this.doc;
         Ext.form.TriggerField.superclass.onDestroy.call(this);
     },
 
         Ext.form.TriggerField.superclass.onDestroy.call(this);
     },
 
@@ -153,28 +223,26 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
         if(!this.mimicing){
             this.wrap.addClass(this.wrapFocusClass);
             this.mimicing = true;
         if(!this.mimicing){
             this.wrap.addClass(this.wrapFocusClass);
             this.mimicing = true;
-            Ext.get(Ext.isIE ? document.body : document).on("mousedown", this.mimicBlur, this, {delay: 10});
+            this.doc.on('mousedown', this.mimicBlur, this, {delay: 10});
             if(this.monitorTab){
             if(this.monitorTab){
-               this.el.on('keydown', this.checkTab, this);
+                this.on('specialkey', this.checkTab, this);
             }
         }
     },
 
     // private
             }
         }
     },
 
     // private
-    checkTab : function(e){
+    checkTab : function(me, e){
         if(e.getKey() == e.TAB){
             this.triggerBlur();
         }
     },
 
     // private
         if(e.getKey() == e.TAB){
             this.triggerBlur();
         }
     },
 
     // private
-    onBlur : function(){
-        // do nothing
-    },
+    onBlur : Ext.emptyFn,
 
     // private
     mimicBlur : function(e){
 
     // private
     mimicBlur : function(e){
-        if(!this.wrap.contains(e.target) && this.validateBlur(e)){
+        if(!this.isDestroyed && !this.wrap.contains(e.target) && this.validateBlur(e)){
             this.triggerBlur();
         }
     },
             this.triggerBlur();
         }
     },
@@ -182,9 +250,9 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
     // private
     triggerBlur : function(){
         this.mimicing = false;
     // private
     triggerBlur : function(){
         this.mimicing = false;
-        Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);
+        this.doc.un('mousedown', this.mimicBlur, this);
         if(this.monitorTab && this.el){
         if(this.monitorTab && this.el){
-            this.el.un("keydown", this.checkTab, this);
+            this.un('specialkey', this.checkTab, this);
         }
         Ext.form.TriggerField.superclass.onBlur.call(this);
         if(this.wrap){
         }
         Ext.form.TriggerField.superclass.onBlur.call(this);
         if(this.wrap){
@@ -192,25 +260,7 @@ Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
         }
     },
 
         }
     },
 
-    beforeBlur : Ext.emptyFn, 
-    
-    <div id="method-Ext.form.TriggerField-setEditable"></div>/**
-     * Allow or prevent the user from directly editing the field text.  If false is passed,
-     * the user will only be able to modify the field using the trigger.  This method
-     * is the runtime equivalent of setting the 'editable' config option at config time.
-     * @param {Boolean} value True to allow the user to directly edit the field text
-     */
-    setEditable : function(value){
-        if(value == this.editable){
-            return;
-        }
-        this.editable = value;
-        if(!value){
-            this.el.addClass('x-trigger-noedit').on('click', this.onTriggerClick, this).dom.setAttribute('readOnly', true);
-        }else{
-            this.el.removeClass('x-trigger-noedit').un('click', this.onTriggerClick,  this).dom.removeAttribute('readOnly');
-        }
-    },
+    beforeBlur : Ext.emptyFn,
 
     // private
     // This should be overriden by any subclass that needs to check whether or not the field can be blurred.
 
     // private
     // This should be overriden by any subclass that needs to check whether or not the field can be blurred.
@@ -284,23 +334,25 @@ Ext.form.TwinTriggerField = Ext.extend(Ext.form.TriggerField, {
 
     initTrigger : function(){
         var ts = this.trigger.select('.x-form-trigger', true);
 
     initTrigger : function(){
         var ts = this.trigger.select('.x-form-trigger', true);
-        this.wrap.setStyle('overflow', 'hidden');
         var triggerField = this;
         ts.each(function(t, all, index){
         var triggerField = this;
         ts.each(function(t, all, index){
+            var triggerIndex = 'Trigger'+(index+1);
             t.hide = function(){
                 var w = triggerField.wrap.getWidth();
                 this.dom.style.display = 'none';
                 triggerField.el.setWidth(w-triggerField.trigger.getWidth());
             t.hide = function(){
                 var w = triggerField.wrap.getWidth();
                 this.dom.style.display = 'none';
                 triggerField.el.setWidth(w-triggerField.trigger.getWidth());
+                this['hidden' + triggerIndex] = true;
             };
             t.show = function(){
                 var w = triggerField.wrap.getWidth();
                 this.dom.style.display = '';
                 triggerField.el.setWidth(w-triggerField.trigger.getWidth());
             };
             t.show = function(){
                 var w = triggerField.wrap.getWidth();
                 this.dom.style.display = '';
                 triggerField.el.setWidth(w-triggerField.trigger.getWidth());
+                this['hidden' + triggerIndex] = false;
             };
             };
-            var triggerIndex = 'Trigger'+(index+1);
 
             if(this['hide'+triggerIndex]){
                 t.dom.style.display = 'none';
 
             if(this['hide'+triggerIndex]){
                 t.dom.style.display = 'none';
+                this['hidden' + triggerIndex] = true;
             }
             this.mon(t, 'click', this['on'+triggerIndex+'Click'], this, {preventDefault:true});
             t.addClassOnOver('x-form-trigger-over');
             }
             this.mon(t, 'click', this['on'+triggerIndex+'Click'], this, {preventDefault:true});
             t.addClassOnOver('x-form-trigger-over');
@@ -309,10 +361,30 @@ Ext.form.TwinTriggerField = Ext.extend(Ext.form.TriggerField, {
         this.triggers = ts.elements;
     },
 
         this.triggers = ts.elements;
     },
 
+    getTriggerWidth: function(){
+        var tw = 0;
+        Ext.each(this.triggers, function(t, index){
+            var triggerIndex = 'Trigger' + (index + 1),
+                w = t.getWidth();
+            if(w === 0 && !this['hidden' + triggerIndex]){
+                tw += this.defaultTriggerWidth;
+            }else{
+                tw += w;
+            }
+        }, this);
+        return tw;
+    },
+
+    // private
+    onDestroy : function() {
+        Ext.destroy(this.triggers);
+        Ext.form.TwinTriggerField.superclass.onDestroy.call(this);
+    },
+
     <div id="method-Ext.form.TwinTriggerField-onTrigger1Click"></div>/**
      * The function that should handle the trigger's click event.  This method does nothing by default
      * until overridden by an implementing function. See {@link Ext.form.TriggerField#onTriggerClick}
     <div id="method-Ext.form.TwinTriggerField-onTrigger1Click"></div>/**
      * The function that should handle the trigger's click event.  This method does nothing by default
      * until overridden by an implementing function. See {@link Ext.form.TriggerField#onTriggerClick}
-     * for additional information.  
+     * for additional information.
      * @method
      * @param {EventObject} e
      */
      * @method
      * @param {EventObject} e
      */
@@ -320,12 +392,13 @@ Ext.form.TwinTriggerField = Ext.extend(Ext.form.TriggerField, {
     <div id="method-Ext.form.TwinTriggerField-onTrigger2Click"></div>/**
      * The function that should handle the trigger's click event.  This method does nothing by default
      * until overridden by an implementing function. See {@link Ext.form.TriggerField#onTriggerClick}
     <div id="method-Ext.form.TwinTriggerField-onTrigger2Click"></div>/**
      * The function that should handle the trigger's click event.  This method does nothing by default
      * until overridden by an implementing function. See {@link Ext.form.TriggerField#onTriggerClick}
-     * for additional information.  
+     * for additional information.
      * @method
      * @param {EventObject} e
      */
     onTrigger2Click : Ext.emptyFn
 });
      * @method
      * @param {EventObject} e
      */
     onTrigger2Click : Ext.emptyFn
 });
-Ext.reg('trigger', Ext.form.TriggerField);</pre>    \r
-</body>\r
+Ext.reg('trigger', Ext.form.TriggerField);
+</pre>    
+</body>
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