Upgrade to ExtJS 4.0.0 - Released 04/26/2011
[extjs.git] / docs / source / Resizable.html
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-<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 3.3.1
- * Copyright(c) 2006-2010 Sencha Inc.
- * licensing@sencha.com
- * http://www.sencha.com/license
- */
-<div id="cls-Ext.Resizable"></div>/**
- * @class Ext.Resizable
- * @extends Ext.util.Observable
- * <p>Applies drag handles to an element to make it resizable. The drag handles are inserted into the element
- * and positioned absolute. Some elements, such as a textarea or image, don't support this. To overcome that, you can wrap
- * the textarea in a div and set 'resizeChild' to true (or to the id of the element), <b>or</b> set wrap:true in your config and
- * the element will be wrapped for you automatically.</p>
- * <p>Here is the list of valid resize handles:</p>
- * <pre>
-Value   Description
-------  -------------------
- 'n'     north
- 's'     south
- 'e'     east
- 'w'     west
- 'nw'    northwest
- 'sw'    southwest
- 'se'    southeast
- 'ne'    northeast
- 'all'   all
-</pre>
- * <p>Here's an example showing the creation of a typical Resizable:</p>
- * <pre><code>
-var resizer = new Ext.Resizable('element-id', {
-    handles: 'all',
-    minWidth: 200,
-    minHeight: 100,
-    maxWidth: 500,
-    maxHeight: 400,
-    pinned: true
-});
-resizer.on('resize', myHandler);
-</code></pre>
- * <p>To hide a particular handle, set its display to none in CSS, or through script:<br>
- * resizer.east.setDisplayed(false);</p>
- * @constructor
- * Create a new resizable component
- * @param {Mixed} el The id or element to resize
- * @param {Object} config configuration options
-  */
-Ext.Resizable = Ext.extend(Ext.util.Observable, {
-
-    constructor: function(el, config){
-        this.el = Ext.get(el);
-        if(config && config.wrap){
-            config.resizeChild = this.el;
-            this.el = this.el.wrap(typeof config.wrap == 'object' ? config.wrap : {cls:'xresizable-wrap'});
-            this.el.id = this.el.dom.id = config.resizeChild.id + '-rzwrap';
-            this.el.setStyle('overflow', 'hidden');
-            this.el.setPositioning(config.resizeChild.getPositioning());
-            config.resizeChild.clearPositioning();
-            if(!config.width || !config.height){
-                var csize = config.resizeChild.getSize();
-                this.el.setSize(csize.width, csize.height);
-            }
-            if(config.pinned && !config.adjustments){
-                config.adjustments = 'auto';
-            }
-        }
-
-        <div id="prop-Ext.Resizable-proxy"></div>/**
-         * The proxy Element that is resized in place of the real Element during the resize operation.
-         * This may be queried using {@link Ext.Element#getBox} to provide the new area to resize to.
-         * Read only.
-         * @type Ext.Element.
-         * @property proxy
-         */
-        this.proxy = this.el.createProxy({tag: 'div', cls: 'x-resizable-proxy', id: this.el.id + '-rzproxy'}, Ext.getBody());
-        this.proxy.unselectable();
-        this.proxy.enableDisplayMode('block');
-
-        Ext.apply(this, config);
-
-        if(this.pinned){
-            this.disableTrackOver = true;
-            this.el.addClass('x-resizable-pinned');
-        }
-        // if the element isn't positioned, make it relative
-        var position = this.el.getStyle('position');
-        if(position != 'absolute' && position != 'fixed'){
-            this.el.setStyle('position', 'relative');
-        }
-        if(!this.handles){ // no handles passed, must be legacy style
-            this.handles = 's,e,se';
-            if(this.multiDirectional){
-                this.handles += ',n,w';
-            }
-        }
-        if(this.handles == 'all'){
-            this.handles = 'n s e w ne nw se sw';
-        }
-        var hs = this.handles.split(/\s*?[,;]\s*?| /);
-        var ps = Ext.Resizable.positions;
-        for(var i = 0, len = hs.length; i < len; i++){
-            if(hs[i] && ps[hs[i]]){
-                var pos = ps[hs[i]];
-                this[pos] = new Ext.Resizable.Handle(this, pos, this.disableTrackOver, this.transparent, this.handleCls);
-            }
-        }
-        // legacy
-        this.corner = this.southeast;
-
-        if(this.handles.indexOf('n') != -1 || this.handles.indexOf('w') != -1){
-            this.updateBox = true;
-        }
-
-        this.activeHandle = null;
-
-        if(this.resizeChild){
-            if(typeof this.resizeChild == 'boolean'){
-                this.resizeChild = Ext.get(this.el.dom.firstChild, true);
-            }else{
-                this.resizeChild = Ext.get(this.resizeChild, true);
-            }
-        }
-
-        if(this.adjustments == 'auto'){
-            var rc = this.resizeChild;
-            var hw = this.west, he = this.east, hn = this.north, hs = this.south;
-            if(rc && (hw || hn)){
-                rc.position('relative');
-                rc.setLeft(hw ? hw.el.getWidth() : 0);
-                rc.setTop(hn ? hn.el.getHeight() : 0);
-            }
-            this.adjustments = [
-                (he ? -he.el.getWidth() : 0) + (hw ? -hw.el.getWidth() : 0),
-                (hn ? -hn.el.getHeight() : 0) + (hs ? -hs.el.getHeight() : 0) -1
-            ];
-        }
-
-        if(this.draggable){
-            this.dd = this.dynamic ?
-                this.el.initDD(null) : this.el.initDDProxy(null, {dragElId: this.proxy.id});
-            this.dd.setHandleElId(this.resizeChild ? this.resizeChild.id : this.el.id);
-            if(this.constrainTo){
-                this.dd.constrainTo(this.constrainTo);
-            }
-        }
-
-        this.addEvents(
-            <div id="event-Ext.Resizable-beforeresize"></div>/**
-             * @event beforeresize
-             * Fired before resize is allowed. Set {@link #enabled} to false to cancel resize.
-             * @param {Ext.Resizable} this
-             * @param {Ext.EventObject} e The mousedown event
-             */
-            'beforeresize',
-            <div id="event-Ext.Resizable-resize"></div>/**
-             * @event resize
-             * Fired after a resize.
-             * @param {Ext.Resizable} this
-             * @param {Number} width The new width
-             * @param {Number} height The new height
-             * @param {Ext.EventObject} e The mouseup event
-             */
-            'resize'
-        );
-
-        if(this.width !== null && this.height !== null){
-            this.resizeTo(this.width, this.height);
-        }else{
-            this.updateChildSize();
-        }
-        if(Ext.isIE){
-            this.el.dom.style.zoom = 1;
-        }
-        Ext.Resizable.superclass.constructor.call(this);
-    },
-
-    <div id="cfg-Ext.Resizable-adjustments"></div>/**
-     * @cfg {Array/String} adjustments String 'auto' or an array [width, height] with values to be <b>added</b> to the
-     * resize operation's new size (defaults to <tt>[0, 0]</tt>)
-     */
-    adjustments : [0, 0],
-    <div id="cfg-Ext.Resizable-animate"></div>/**
-     * @cfg {Boolean} animate True to animate the resize (not compatible with dynamic sizing, defaults to false)
-     */
-    animate : false,
-    <div id="cfg-Ext.Resizable-constrainTo"></div>/**
-     * @cfg {Mixed} constrainTo Constrain the resize to a particular element
-     */
-    <div id="cfg-Ext.Resizable-disableTrackOver"></div>/**
-     * @cfg {Boolean} disableTrackOver True to disable mouse tracking. This is only applied at config time. (defaults to false)
-     */
-    disableTrackOver : false,
-    <div id="cfg-Ext.Resizable-draggable"></div>/**
-     * @cfg {Boolean} draggable Convenience to initialize drag drop (defaults to false)
-     */
-    draggable: false,
-    <div id="cfg-Ext.Resizable-duration"></div>/**
-     * @cfg {Number} duration Animation duration if animate = true (defaults to 0.35)
-     */
-    duration : 0.35,
-    <div id="cfg-Ext.Resizable-dynamic"></div>/**
-     * @cfg {Boolean} dynamic True to resize the element while dragging instead of using a proxy (defaults to false)
-     */
-    dynamic : false,
-    <div id="cfg-Ext.Resizable-easing"></div>/**
-     * @cfg {String} easing Animation easing if animate = true (defaults to <tt>'easingOutStrong'</tt>)
-     */
-    easing : 'easeOutStrong',
-    <div id="cfg-Ext.Resizable-enabled"></div>/**
-     * @cfg {Boolean} enabled False to disable resizing (defaults to true)
-     */
-    enabled : true,
-    <div id="prop-Ext.Resizable-enabled"></div>/**
-     * @property enabled Writable. False if resizing is disabled.
-     * @type Boolean
-     */
-    <div id="cfg-Ext.Resizable-handles"></div>/**
-     * @cfg {String} handles String consisting of the resize handles to display (defaults to undefined).
-     * Specify either <tt>'all'</tt> or any of <tt>'n s e w ne nw se sw'</tt>.
-     */
-    handles : false,
-    <div id="cfg-Ext.Resizable-multiDirectional"></div>/**
-     * @cfg {Boolean} multiDirectional <b>Deprecated</b>.  Deprecated style of adding multi-direction resize handles.
-     */
-    multiDirectional : false,
-    <div id="cfg-Ext.Resizable-height"></div>/**
-     * @cfg {Number} height The height of the element in pixels (defaults to null)
-     */
-    height : null,
-    <div id="cfg-Ext.Resizable-width"></div>/**
-     * @cfg {Number} width The width of the element in pixels (defaults to null)
-     */
-    width : null,
-    <div id="cfg-Ext.Resizable-heightIncrement"></div>/**
-     * @cfg {Number} heightIncrement The increment to snap the height resize in pixels
-     * (only applies if <code>{@link #dynamic}==true</code>). Defaults to <tt>0</tt>.
-     */
-    heightIncrement : 0,
-    <div id="cfg-Ext.Resizable-widthIncrement"></div>/**
-     * @cfg {Number} widthIncrement The increment to snap the width resize in pixels
-     * (only applies if <code>{@link #dynamic}==true</code>). Defaults to <tt>0</tt>.
-     */
-    widthIncrement : 0,
-    <div id="cfg-Ext.Resizable-minHeight"></div>/**
-     * @cfg {Number} minHeight The minimum height for the element (defaults to 5)
-     */
-    minHeight : 5,
-    <div id="cfg-Ext.Resizable-minWidth"></div>/**
-     * @cfg {Number} minWidth The minimum width for the element (defaults to 5)
-     */
-    minWidth : 5,
-    <div id="cfg-Ext.Resizable-maxHeight"></div>/**
-     * @cfg {Number} maxHeight The maximum height for the element (defaults to 10000)
-     */
-    maxHeight : 10000,
-    <div id="cfg-Ext.Resizable-maxWidth"></div>/**
-     * @cfg {Number} maxWidth The maximum width for the element (defaults to 10000)
-     */
-    maxWidth : 10000,
-    <div id="cfg-Ext.Resizable-minX"></div>/**
-     * @cfg {Number} minX The minimum x for the element (defaults to 0)
-     */
-    minX: 0,
-    <div id="cfg-Ext.Resizable-minY"></div>/**
-     * @cfg {Number} minY The minimum x for the element (defaults to 0)
-     */
-    minY: 0,
-    <div id="cfg-Ext.Resizable-pinned"></div>/**
-     * @cfg {Boolean} pinned True to ensure that the resize handles are always visible, false to display them only when the
-     * user mouses over the resizable borders. This is only applied at config time. (defaults to false)
-     */
-    pinned : false,
-    <div id="cfg-Ext.Resizable-preserveRatio"></div>/**
-     * @cfg {Boolean} preserveRatio True to preserve the original ratio between height
-     * and width during resize (defaults to false)
-     */
-    preserveRatio : false,
-    <div id="cfg-Ext.Resizable-resizeChild"></div>/**
-     * @cfg {Boolean/String/Element} resizeChild True to resize the first child, or id/element to resize (defaults to false)
-     */
-    resizeChild : false,
-    <div id="cfg-Ext.Resizable-transparent"></div>/**
-     * @cfg {Boolean} transparent True for transparent handles. This is only applied at config time. (defaults to false)
-     */
-    transparent: false,
-    <div id="cfg-Ext.Resizable-resizeRegion"></div>/**
-     * @cfg {Ext.lib.Region} resizeRegion Constrain the resize to a particular region
-     */
-    <div id="cfg-Ext.Resizable-wrap"></div>/**
-     * @cfg {Boolean} wrap True to wrap an element with a div if needed (required for textareas and images, defaults to false)
-     * in favor of the handles config option (defaults to false)
-     */
-    <div id="cfg-Ext.Resizable-handleCls"></div>/**
-     * @cfg {String} handleCls A css class to add to each handle. Defaults to <tt>''</tt>.
-     */
-
-
-    <div id="method-Ext.Resizable-resizeTo"></div>/**
-     * Perform a manual resize and fires the 'resize' event.
-     * @param {Number} width
-     * @param {Number} height
-     */
-    resizeTo : function(width, height){
-        this.el.setSize(width, height);
-        this.updateChildSize();
-        this.fireEvent('resize', this, width, height, null);
-    },
-
-    // private
-    startSizing : function(e, handle){
-        this.fireEvent('beforeresize', this, e);
-        if(this.enabled){ // 2nd enabled check in case disabled before beforeresize handler
-
-            if(!this.overlay){
-                this.overlay = this.el.createProxy({tag: 'div', cls: 'x-resizable-overlay', html: '&#160;'}, Ext.getBody());
-                this.overlay.unselectable();
-                this.overlay.enableDisplayMode('block');
-                this.overlay.on({
-                    scope: this,
-                    mousemove: this.onMouseMove,
-                    mouseup: this.onMouseUp
-                });
-            }
-            this.overlay.setStyle('cursor', handle.el.getStyle('cursor'));
-
-            this.resizing = true;
-            this.startBox = this.el.getBox();
-            this.startPoint = e.getXY();
-            this.offsets = [(this.startBox.x + this.startBox.width) - this.startPoint[0],
-                            (this.startBox.y + this.startBox.height) - this.startPoint[1]];
-
-            this.overlay.setSize(Ext.lib.Dom.getViewWidth(true), Ext.lib.Dom.getViewHeight(true));
-            this.overlay.show();
-
-            if(this.constrainTo) {
-                var ct = Ext.get(this.constrainTo);
-                this.resizeRegion = ct.getRegion().adjust(
-                    ct.getFrameWidth('t'),
-                    ct.getFrameWidth('l'),
-                    -ct.getFrameWidth('b'),
-                    -ct.getFrameWidth('r')
-                );
-            }
-
-            this.proxy.setStyle('visibility', 'hidden'); // workaround display none
-            this.proxy.show();
-            this.proxy.setBox(this.startBox);
-            if(!this.dynamic){
-                this.proxy.setStyle('visibility', 'visible');
-            }
-        }
-    },
-
-    // private
-    onMouseDown : function(handle, e){
-        if(this.enabled){
-            e.stopEvent();
-            this.activeHandle = handle;
-            this.startSizing(e, handle);
-        }
-    },
-
-    // private
-    onMouseUp : function(e){
-        this.activeHandle = null;
-        var size = this.resizeElement();
-        this.resizing = false;
-        this.handleOut();
-        this.overlay.hide();
-        this.proxy.hide();
-        this.fireEvent('resize', this, size.width, size.height, e);
-    },
-
-    // private
-    updateChildSize : function(){
-        if(this.resizeChild){
-            var el = this.el;
-            var child = this.resizeChild;
-            var adj = this.adjustments;
-            if(el.dom.offsetWidth){
-                var b = el.getSize(true);
-                child.setSize(b.width+adj[0], b.height+adj[1]);
-            }
-            // Second call here for IE
-            // The first call enables instant resizing and
-            // the second call corrects scroll bars if they
-            // exist
-            if(Ext.isIE){
-                setTimeout(function(){
-                    if(el.dom.offsetWidth){
-                        var b = el.getSize(true);
-                        child.setSize(b.width+adj[0], b.height+adj[1]);
-                    }
-                }, 10);
-            }
-        }
-    },
-
-    // private
-    snap : function(value, inc, min){
-        if(!inc || !value){
-            return value;
-        }
-        var newValue = value;
-        var m = value % inc;
-        if(m > 0){
-            if(m > (inc/2)){
-                newValue = value + (inc-m);
-            }else{
-                newValue = value - m;
-            }
-        }
-        return Math.max(min, newValue);
-    },
-
-    <div id="method-Ext.Resizable-resizeElement"></div>/**
-     * <p>Performs resizing of the associated Element. This method is called internally by this
-     * class, and should not be called by user code.</p>
-     * <p>If a Resizable is being used to resize an Element which encapsulates a more complex UI
-     * component such as a Panel, this method may be overridden by specifying an implementation
-     * as a config option to provide appropriate behaviour at the end of the resize operation on
-     * mouseup, for example resizing the Panel, and relaying the Panel's content.</p>
-     * <p>The new area to be resized to is available by examining the state of the {@link #proxy}
-     * Element. Example:
-<pre><code>
-new Ext.Panel({
-    title: 'Resize me',
-    x: 100,
-    y: 100,
-    renderTo: Ext.getBody(),
-    floating: true,
-    frame: true,
-    width: 400,
-    height: 200,
-    listeners: {
-        render: function(p) {
-            new Ext.Resizable(p.getEl(), {
-                handles: 'all',
-                pinned: true,
-                transparent: true,
-                resizeElement: function() {
-                    var box = this.proxy.getBox();
-                    p.updateBox(box);
-                    if (p.layout) {
-                        p.doLayout();
-                    }
-                    return box;
-                }
-           });
-       }
-    }
-}).show();
-</code></pre>
-     */
-    resizeElement : function(){
-        var box = this.proxy.getBox();
-        if(this.updateBox){
-            this.el.setBox(box, false, this.animate, this.duration, null, this.easing);
-        }else{
-            this.el.setSize(box.width, box.height, this.animate, this.duration, null, this.easing);
-        }
-        this.updateChildSize();
-        if(!this.dynamic){
-            this.proxy.hide();
-        }
-        if(this.draggable && this.constrainTo){
-            this.dd.resetConstraints();
-            this.dd.constrainTo(this.constrainTo);
-        }
-        return box;
-    },
-
-    // private
-    constrain : function(v, diff, m, mx){
-        if(v - diff < m){
-            diff = v - m;
-        }else if(v - diff > mx){
-            diff = v - mx;
-        }
-        return diff;
-    },
-
-    // private
-    onMouseMove : function(e){
-        if(this.enabled && this.activeHandle){
-            try{// try catch so if something goes wrong the user doesn't get hung
-
-            if(this.resizeRegion && !this.resizeRegion.contains(e.getPoint())) {
-                return;
-            }
-
-            //var curXY = this.startPoint;
-            var curSize = this.curSize || this.startBox,
-                x = this.startBox.x, y = this.startBox.y,
-                ox = x,
-                oy = y,
-                w = curSize.width,
-                h = curSize.height,
-                ow = w,
-                oh = h,
-                mw = this.minWidth,
-                mh = this.minHeight,
-                mxw = this.maxWidth,
-                mxh = this.maxHeight,
-                wi = this.widthIncrement,
-                hi = this.heightIncrement,
-                eventXY = e.getXY(),
-                diffX = -(this.startPoint[0] - Math.max(this.minX, eventXY[0])),
-                diffY = -(this.startPoint[1] - Math.max(this.minY, eventXY[1])),
-                pos = this.activeHandle.position,
-                tw,
-                th;
-
-            switch(pos){
-                case 'east':
-                    w += diffX;
-                    w = Math.min(Math.max(mw, w), mxw);
-                    break;
-                case 'south':
-                    h += diffY;
-                    h = Math.min(Math.max(mh, h), mxh);
-                    break;
-                case 'southeast':
-                    w += diffX;
-                    h += diffY;
-                    w = Math.min(Math.max(mw, w), mxw);
-                    h = Math.min(Math.max(mh, h), mxh);
-                    break;
-                case 'north':
-                    diffY = this.constrain(h, diffY, mh, mxh);
-                    y += diffY;
-                    h -= diffY;
-                    break;
-                case 'west':
-                    diffX = this.constrain(w, diffX, mw, mxw);
-                    x += diffX;
-                    w -= diffX;
-                    break;
-                case 'northeast':
-                    w += diffX;
-                    w = Math.min(Math.max(mw, w), mxw);
-                    diffY = this.constrain(h, diffY, mh, mxh);
-                    y += diffY;
-                    h -= diffY;
-                    break;
-                case 'northwest':
-                    diffX = this.constrain(w, diffX, mw, mxw);
-                    diffY = this.constrain(h, diffY, mh, mxh);
-                    y += diffY;
-                    h -= diffY;
-                    x += diffX;
-                    w -= diffX;
-                    break;
-               case 'southwest':
-                    diffX = this.constrain(w, diffX, mw, mxw);
-                    h += diffY;
-                    h = Math.min(Math.max(mh, h), mxh);
-                    x += diffX;
-                    w -= diffX;
-                    break;
-            }
-
-            var sw = this.snap(w, wi, mw);
-            var sh = this.snap(h, hi, mh);
-            if(sw != w || sh != h){
-                switch(pos){
-                    case 'northeast':
-                        y -= sh - h;
-                    break;
-                    case 'north':
-                        y -= sh - h;
-                        break;
-                    case 'southwest':
-                        x -= sw - w;
-                    break;
-                    case 'west':
-                        x -= sw - w;
-                        break;
-                    case 'northwest':
-                        x -= sw - w;
-                        y -= sh - h;
-                    break;
-                }
-                w = sw;
-                h = sh;
-            }
-
-            if(this.preserveRatio){
-                switch(pos){
-                    case 'southeast':
-                    case 'east':
-                        h = oh * (w/ow);
-                        h = Math.min(Math.max(mh, h), mxh);
-                        w = ow * (h/oh);
-                       break;
-                    case 'south':
-                        w = ow * (h/oh);
-                        w = Math.min(Math.max(mw, w), mxw);
-                        h = oh * (w/ow);
-                        break;
-                    case 'northeast':
-                        w = ow * (h/oh);
-                        w = Math.min(Math.max(mw, w), mxw);
-                        h = oh * (w/ow);
-                    break;
-                    case 'north':
-                        tw = w;
-                        w = ow * (h/oh);
-                        w = Math.min(Math.max(mw, w), mxw);
-                        h = oh * (w/ow);
-                        x += (tw - w) / 2;
-                        break;
-                    case 'southwest':
-                        h = oh * (w/ow);
-                        h = Math.min(Math.max(mh, h), mxh);
-                        tw = w;
-                        w = ow * (h/oh);
-                        x += tw - w;
-                        break;
-                    case 'west':
-                        th = h;
-                        h = oh * (w/ow);
-                        h = Math.min(Math.max(mh, h), mxh);
-                        y += (th - h) / 2;
-                        tw = w;
-                        w = ow * (h/oh);
-                        x += tw - w;
-                       break;
-                    case 'northwest':
-                        tw = w;
-                        th = h;
-                        h = oh * (w/ow);
-                        h = Math.min(Math.max(mh, h), mxh);
-                        w = ow * (h/oh);
-                        y += th - h;
-                        x += tw - w;
-                        break;
-
-                }
-            }
-            this.proxy.setBounds(x, y, w, h);
-            if(this.dynamic){
-                this.resizeElement();
-            }
-            }catch(ex){}
-        }
-    },
-
-    // private
-    handleOver : function(){
-        if(this.enabled){
-            this.el.addClass('x-resizable-over');
-        }
-    },
-
-    // private
-    handleOut : function(){
-        if(!this.resizing){
-            this.el.removeClass('x-resizable-over');
-        }
-    },
-
-    <div id="method-Ext.Resizable-getEl"></div>/**
-     * Returns the element this component is bound to.
-     * @return {Ext.Element}
-     */
-    getEl : function(){
-        return this.el;
-    },
-
-    <div id="method-Ext.Resizable-getResizeChild"></div>/**
-     * Returns the resizeChild element (or null).
-     * @return {Ext.Element}
-     */
-    getResizeChild : function(){
-        return this.resizeChild;
-    },
-
-    <div id="method-Ext.Resizable-destroy"></div>/**
-     * Destroys this resizable. If the element was wrapped and
-     * removeEl is not true then the element remains.
-     * @param {Boolean} removeEl (optional) true to remove the element from the DOM
-     */
-    destroy : function(removeEl){
-        Ext.destroy(this.dd, this.overlay, this.proxy);
-        this.overlay = null;
-        this.proxy = null;
-
-        var ps = Ext.Resizable.positions;
-        for(var k in ps){
-            if(typeof ps[k] != 'function' && this[ps[k]]){
-                this[ps[k]].destroy();
-            }
-        }
-        if(removeEl){
-            this.el.update('');
-            Ext.destroy(this.el);
-            this.el = null;
-        }
-        this.purgeListeners();
-    },
-
-    syncHandleHeight : function(){
-        var h = this.el.getHeight(true);
-        if(this.west){
-            this.west.el.setHeight(h);
-        }
-        if(this.east){
-            this.east.el.setHeight(h);
-        }
-    }
-});
-
-// private
-// hash to map config positions to true positions
-Ext.Resizable.positions = {
-    n: 'north', s: 'south', e: 'east', w: 'west', se: 'southeast', sw: 'southwest', nw: 'northwest', ne: 'northeast'
-};
-
-Ext.Resizable.Handle = Ext.extend(Object, {
-    constructor : function(rz, pos, disableTrackOver, transparent, cls){
-       if(!this.tpl){
-            // only initialize the template if resizable is used
-            var tpl = Ext.DomHelper.createTemplate(
-                {tag: 'div', cls: 'x-resizable-handle x-resizable-handle-{0}'}
-            );
-            tpl.compile();
-            Ext.Resizable.Handle.prototype.tpl = tpl;
-        }
-        this.position = pos;
-        this.rz = rz;
-        this.el = this.tpl.append(rz.el.dom, [this.position], true);
-        this.el.unselectable();
-        if(transparent){
-            this.el.setOpacity(0);
-        }
-        if(!Ext.isEmpty(cls)){
-            this.el.addClass(cls);
-        }
-        this.el.on('mousedown', this.onMouseDown, this);
-        if(!disableTrackOver){
-            this.el.on({
-                scope: this,
-                mouseover: this.onMouseOver,
-                mouseout: this.onMouseOut
-            });
-        }
-    },
-
-    // private
-    afterResize : function(rz){
-        // do nothing
-    },
-    // private
-    onMouseDown : function(e){
-        this.rz.onMouseDown(this, e);
-    },
-    // private
-    onMouseOver : function(e){
-        this.rz.handleOver(this, e);
-    },
-    // private
-    onMouseOut : function(e){
-        this.rz.handleOut(this, e);
-    },
-    // private
-    destroy : function(){
-        Ext.destroy(this.el);
-        this.el = null;
-    }
-});
-</pre>    
-</body>
-</html>
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