X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/widgets/form/TriggerField.js

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+/*!
+ * Ext JS Library 3.0.0
+ * Copyright(c) 2006-2009 Ext JS, LLC
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+/**
+ * @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).
+ * The trigger has no default action, so you must assign a function to implement the trigger click handler by
+ * overriding {@link #onTriggerClick}. You can create a TriggerField directly, as it renders exactly like a combobox
+ * for which you can provide a custom implementation.  For example:
+ * <pre><code>
+var trigger = new Ext.form.TriggerField();
+trigger.onTriggerClick = myTriggerFn;
+trigger.applyToMarkup('my-field');
+</code></pre>
+ *
+ * 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
+ * to the base TextField)
+ * @xtype trigger
+ */
+Ext.form.TriggerField = Ext.extend(Ext.form.TextField,  {
+    /**
+     * @cfg {String} triggerClass
+     * An additional CSS class used to style the trigger button.  The trigger will always get the
+     * class <tt>'x-form-trigger'</tt> by default and <tt>triggerClass</tt> will be <b>appended</b> if specified.
+     */
+    /**
+     * @cfg {Mixed} triggerConfig
+     * <p>A {@link Ext.DomHelper DomHelper} config object specifying the structure of the
+     * trigger element for this Field. (Optional).</p>
+     * <p>Specify this when you need a customized element to act as the trigger button for a TriggerField.</p>
+     * <p>Note that when using this option, it is the developer's responsibility to ensure correct sizing, positioning
+     * and appearance of the trigger.  Defaults to:</p>
+     * <pre><code>{tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger " + this.triggerClass}</code></pre>
+     */
+    /**
+     * @cfg {String/Object} autoCreate <p>A {@link Ext.DomHelper DomHelper} element spec, or true for a default
+     * element spec. Used to create the {@link Ext.Component#getEl Element} which will encapsulate this Component.
+     * See <tt>{@link Ext.Component#autoEl autoEl}</tt> for details.  Defaults to:</p>
+     * <pre><code>{tag: "input", type: "text", size: "16", autocomplete: "off"}</code></pre>
+     */
+    defaultAutoCreate : {tag: "input", type: "text", size: "16", autocomplete: "off"},
+    /**
+     * @cfg {Boolean} hideTrigger <tt>true</tt> to hide the trigger element and display only the base
+     * text field (defaults to <tt>false</tt>)
+     */
+    hideTrigger:false,
+    /**
+     * @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>)
+     */
+    editable: true,
+    /**
+     * @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',
+    /**
+     * @hide 
+     * @method autoSize
+     */
+    autoSize: Ext.emptyFn,
+    // private
+    monitorTab : true,
+    // private
+    deferHeight : true,
+    // private
+    mimicing : false,
+    
+    actionMode: 'wrap',
+
+    // 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()));
+        }
+        this.wrap.setWidth(this.el.getWidth()+this.trigger.getWidth());
+    },
+
+    // private
+    adjustSize : Ext.BoxComponent.prototype.adjustSize,
+
+    // private
+    getResizeEl : function(){
+        return this.wrap;
+    },
+
+    // private
+    getPositionEl : function(){
+        return this.wrap;
+    },
+
+    // private
+    alignErrorIcon : function(){
+        if(this.wrap){
+            this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]);
+        }
+    },
+
+    // private
+    onRender : function(ct, position){
+        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());
+        }
+        if(!this.editable){
+            this.editable = true;
+            this.setEditable(false);
+        }
+    },
+
+    afterRender : function(){
+        Ext.form.TriggerField.superclass.afterRender.call(this);
+    },
+
+    // private
+    initTrigger : function(){
+    	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(){
+		Ext.destroy(this.trigger, this.wrap);
+        if (this.mimicing){
+            Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);
+        }
+        Ext.form.TriggerField.superclass.onDestroy.call(this);
+    },
+
+    // private
+    onFocus : function(){
+        Ext.form.TriggerField.superclass.onFocus.call(this);
+        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});
+            if(this.monitorTab){
+            	this.el.on('keydown', this.checkTab, this);
+            }
+        }
+    },
+
+    // private
+    checkTab : function(e){
+        if(e.getKey() == e.TAB){
+            this.triggerBlur();
+        }
+    },
+
+    // private
+    onBlur : function(){
+        // do nothing
+    },
+
+    // private
+    mimicBlur : function(e){
+        if(!this.wrap.contains(e.target) && this.validateBlur(e)){
+            this.triggerBlur();
+        }
+    },
+
+    // private
+    triggerBlur : function(){
+        this.mimicing = false;
+        Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);
+        if(this.monitorTab && this.el){
+            this.el.un("keydown", this.checkTab, this);
+        }
+        Ext.form.TriggerField.superclass.onBlur.call(this);
+        if(this.wrap){
+            this.wrap.removeClass(this.wrapFocusClass);
+        }
+    },
+
+    beforeBlur : Ext.emptyFn, 
+    
+    /**
+     * 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');
+        }
+    },
+
+    // private
+    // This should be overriden by any subclass that needs to check whether or not the field can be blurred.
+    validateBlur : function(e){
+        return true;
+    },
+
+    /**
+     * The function that should handle the trigger's click event.  This method does nothing by default
+     * until overridden by an implementing function.  See Ext.form.ComboBox and Ext.form.DateField for
+     * sample implementations.
+     * @method
+     * @param {EventObject} e
+     */
+    onTriggerClick : Ext.emptyFn
+
+    /**
+     * @cfg {Boolean} grow @hide
+     */
+    /**
+     * @cfg {Number} growMin @hide
+     */
+    /**
+     * @cfg {Number} growMax @hide
+     */
+});
+
+/**
+ * @class Ext.form.TwinTriggerField
+ * @extends Ext.form.TriggerField
+ * TwinTriggerField is not a public class to be used directly.  It is meant as an abstract base class
+ * to be extended by an implementing class.  For an example of implementing this class, see the custom
+ * SearchField implementation here:
+ * <a href="http://extjs.com/deploy/ext/examples/form/custom.html">http://extjs.com/deploy/ext/examples/form/custom.html</a>
+ */
+Ext.form.TwinTriggerField = Ext.extend(Ext.form.TriggerField, {
+    /**
+     * @cfg {Mixed} triggerConfig
+     * <p>A {@link Ext.DomHelper DomHelper} config object specifying the structure of the trigger elements
+     * for this Field. (Optional).</p>
+     * <p>Specify this when you need a customized element to contain the two trigger elements for this Field.
+     * Each trigger element must be marked by the CSS class <tt>x-form-trigger</tt> (also see
+     * <tt>{@link #trigger1Class}</tt> and <tt>{@link #trigger2Class}</tt>).</p>
+     * <p>Note that when using this option, it is the developer's responsibility to ensure correct sizing,
+     * positioning and appearance of the triggers.</p>
+     */
+    /**
+     * @cfg {String} trigger1Class
+     * An additional CSS class used to style the trigger button.  The trigger will always get the
+     * class <tt>'x-form-trigger'</tt> by default and <tt>triggerClass</tt> will be <b>appended</b> if specified.
+     */
+    /**
+     * @cfg {String} trigger2Class
+     * An additional CSS class used to style the trigger button.  The trigger will always get the
+     * class <tt>'x-form-trigger'</tt> by default and <tt>triggerClass</tt> will be <b>appended</b> if specified.
+     */
+
+    initComponent : function(){
+        Ext.form.TwinTriggerField.superclass.initComponent.call(this);
+
+        this.triggerConfig = {
+            tag:'span', cls:'x-form-twin-triggers', cn:[
+            {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger " + this.trigger1Class},
+            {tag: "img", src: Ext.BLANK_IMAGE_URL, cls: "x-form-trigger " + this.trigger2Class}
+        ]};
+    },
+
+    getTrigger : function(index){
+        return this.triggers[index];
+    },
+
+    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){
+            t.hide = function(){
+                var w = triggerField.wrap.getWidth();
+                this.dom.style.display = 'none';
+                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());
+            };
+            var triggerIndex = 'Trigger'+(index+1);
+
+            if(this['hide'+triggerIndex]){
+                t.dom.style.display = 'none';
+            }
+            this.mon(t, 'click', this['on'+triggerIndex+'Click'], this, {preventDefault:true});
+            t.addClassOnOver('x-form-trigger-over');
+            t.addClassOnClick('x-form-trigger-click');
+        }, this);
+        this.triggers = ts.elements;
+    },
+
+    /**
+     * 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.  
+     * @method
+     * @param {EventObject} e
+     */
+    onTrigger1Click : Ext.emptyFn,
+    /**
+     * 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.  
+     * @method
+     * @param {EventObject} e
+     */
+    onTrigger2Click : Ext.emptyFn
+});
+Ext.reg('trigger', Ext.form.TriggerField);
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