Upgrade to ExtJS 3.2.0 - Released 03/30/2010
[extjs.git] / docs / source / Resizable.html
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-<html>\r
-<head>\r
-  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    \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.Resizable"></div>/**\r
- * @class Ext.Resizable\r
- * @extends Ext.util.Observable\r
- * <p>Applies drag handles to an element to make it resizable. The drag handles are inserted into the element \r
- * and positioned absolute. Some elements, such as a textarea or image, don't support this. To overcome that, you can wrap\r
- * 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\r
- * the element will be wrapped for you automatically.</p>\r
- * <p>Here is the list of valid resize handles:</p>\r
- * <pre>\r
-Value   Description\r
-------  -------------------\r
- 'n'     north\r
- 's'     south\r
- 'e'     east\r
- 'w'     west\r
- 'nw'    northwest\r
- 'sw'    southwest\r
- 'se'    southeast\r
- 'ne'    northeast\r
- 'all'   all\r
-</pre>\r
- * <p>Here's an example showing the creation of a typical Resizable:</p>\r
- * <pre><code>\r
-var resizer = new Ext.Resizable('element-id', {\r
-    handles: 'all',\r
-    minWidth: 200,\r
-    minHeight: 100,\r
-    maxWidth: 500,\r
-    maxHeight: 400,\r
-    pinned: true\r
-});\r
-resizer.on('resize', myHandler);\r
-</code></pre>\r
- * <p>To hide a particular handle, set its display to none in CSS, or through script:<br>\r
- * resizer.east.setDisplayed(false);</p>\r
- * @constructor\r
- * Create a new resizable component\r
- * @param {Mixed} el The id or element to resize\r
- * @param {Object} config configuration options\r
-  */\r
-Ext.Resizable = function(el, config){\r
-    this.el = Ext.get(el);\r
-    \r
-    if(config && config.wrap){\r
-        config.resizeChild = this.el;\r
-        this.el = this.el.wrap(typeof config.wrap == 'object' ? config.wrap : {cls:'xresizable-wrap'});\r
-        this.el.id = this.el.dom.id = config.resizeChild.id + '-rzwrap';\r
-        this.el.setStyle('overflow', 'hidden');\r
-        this.el.setPositioning(config.resizeChild.getPositioning());\r
-        config.resizeChild.clearPositioning();\r
-        if(!config.width || !config.height){\r
-            var csize = config.resizeChild.getSize();\r
-            this.el.setSize(csize.width, csize.height);\r
-        }\r
-        if(config.pinned && !config.adjustments){\r
-            config.adjustments = 'auto';\r
-        }\r
-    }\r
-\r
-    <div id="prop-Ext.Resizable-proxy"></div>/**\r
-     * The proxy Element that is resized in place of the real Element during the resize operation.\r
-     * This may be queried using {@link Ext.Element#getBox} to provide the new area to resize to.\r
-     * Read only.\r
-     * @type Ext.Element.\r
-     * @property proxy\r
-     */\r
-    this.proxy = this.el.createProxy({tag: 'div', cls: 'x-resizable-proxy', id: this.el.id + '-rzproxy'}, Ext.getBody());\r
-    this.proxy.unselectable();\r
-    this.proxy.enableDisplayMode('block');\r
-\r
-    Ext.apply(this, config);\r
-    \r
-    if(this.pinned){\r
-        this.disableTrackOver = true;\r
-        this.el.addClass('x-resizable-pinned');\r
-    }\r
-    // if the element isn't positioned, make it relative\r
-    var position = this.el.getStyle('position');\r
-    if(position != 'absolute' && position != 'fixed'){\r
-        this.el.setStyle('position', 'relative');\r
-    }\r
-    if(!this.handles){ // no handles passed, must be legacy style\r
-        this.handles = 's,e,se';\r
-        if(this.multiDirectional){\r
-            this.handles += ',n,w';\r
-        }\r
-    }\r
-    if(this.handles == 'all'){\r
-        this.handles = 'n s e w ne nw se sw';\r
-    }\r
-    var hs = this.handles.split(/\s*?[,;]\s*?| /);\r
-    var ps = Ext.Resizable.positions;\r
-    for(var i = 0, len = hs.length; i < len; i++){\r
-        if(hs[i] && ps[hs[i]]){\r
-            var pos = ps[hs[i]];\r
-            this[pos] = new Ext.Resizable.Handle(this, pos, this.disableTrackOver, this.transparent);\r
-        }\r
-    }\r
-    // legacy\r
-    this.corner = this.southeast;\r
-    \r
-    if(this.handles.indexOf('n') != -1 || this.handles.indexOf('w') != -1){\r
-        this.updateBox = true;\r
-    }   \r
-   \r
-    this.activeHandle = null;\r
-    \r
-    if(this.resizeChild){\r
-        if(typeof this.resizeChild == 'boolean'){\r
-            this.resizeChild = Ext.get(this.el.dom.firstChild, true);\r
-        }else{\r
-            this.resizeChild = Ext.get(this.resizeChild, true);\r
-        }\r
-    }\r
-    \r
-    if(this.adjustments == 'auto'){\r
-        var rc = this.resizeChild;\r
-        var hw = this.west, he = this.east, hn = this.north, hs = this.south;\r
-        if(rc && (hw || hn)){\r
-            rc.position('relative');\r
-            rc.setLeft(hw ? hw.el.getWidth() : 0);\r
-            rc.setTop(hn ? hn.el.getHeight() : 0);\r
-        }\r
-        this.adjustments = [\r
-            (he ? -he.el.getWidth() : 0) + (hw ? -hw.el.getWidth() : 0),\r
-            (hn ? -hn.el.getHeight() : 0) + (hs ? -hs.el.getHeight() : 0) -1 \r
-        ];\r
-    }\r
-    \r
-    if(this.draggable){\r
-        this.dd = this.dynamic ? \r
-            this.el.initDD(null) : this.el.initDDProxy(null, {dragElId: this.proxy.id});\r
-        this.dd.setHandleElId(this.resizeChild ? this.resizeChild.id : this.el.id);\r
-        if(this.constrainTo){\r
-            this.dd.constrainTo(this.constrainTo);\r
-        }\r
-    }\r
-    \r
-    this.addEvents(\r
-        <div id="event-Ext.Resizable-beforeresize"></div>/**\r
-         * @event beforeresize\r
-         * Fired before resize is allowed. Set {@link #enabled} to false to cancel resize.\r
-         * @param {Ext.Resizable} this\r
-         * @param {Ext.EventObject} e The mousedown event\r
-         */\r
-        'beforeresize',\r
-        <div id="event-Ext.Resizable-resize"></div>/**\r
-         * @event resize\r
-         * Fired after a resize.\r
-         * @param {Ext.Resizable} this\r
-         * @param {Number} width The new width\r
-         * @param {Number} height The new height\r
-         * @param {Ext.EventObject} e The mouseup event\r
-         */\r
-        'resize'\r
-    );\r
-    \r
-    if(this.width !== null && this.height !== null){\r
-        this.resizeTo(this.width, this.height);\r
-    }else{\r
-        this.updateChildSize();\r
-    }\r
-    if(Ext.isIE){\r
-        this.el.dom.style.zoom = 1;\r
-    }\r
-    Ext.Resizable.superclass.constructor.call(this);\r
-};\r
-\r
-Ext.extend(Ext.Resizable, Ext.util.Observable, {\r
-\r
-    <div id="cfg-Ext.Resizable-adjustments"></div>/**\r
-     * @cfg {Array/String} adjustments String 'auto' or an array [width, height] with values to be <b>added</b> to the\r
-     * resize operation's new size (defaults to <tt>[0, 0]</tt>)\r
-     */\r
-    adjustments : [0, 0],\r
-    <div id="cfg-Ext.Resizable-animate"></div>/**\r
-     * @cfg {Boolean} animate True to animate the resize (not compatible with dynamic sizing, defaults to false)\r
-     */\r
-    animate : false,\r
-    <div id="cfg-Ext.Resizable-constrainTo"></div>/**\r
-     * @cfg {Mixed} constrainTo Constrain the resize to a particular element\r
-     */\r
-    <div id="cfg-Ext.Resizable-disableTrackOver"></div>/**\r
-     * @cfg {Boolean} disableTrackOver True to disable mouse tracking. This is only applied at config time. (defaults to false)\r
-     */\r
-    disableTrackOver : false,\r
-    <div id="cfg-Ext.Resizable-draggable"></div>/**\r
-     * @cfg {Boolean} draggable Convenience to initialize drag drop (defaults to false)\r
-     */\r
-    draggable: false,\r
-    <div id="cfg-Ext.Resizable-duration"></div>/**\r
-     * @cfg {Number} duration Animation duration if animate = true (defaults to 0.35)\r
-     */\r
-    duration : 0.35,\r
-    <div id="cfg-Ext.Resizable-dynamic"></div>/**\r
-     * @cfg {Boolean} dynamic True to resize the element while dragging instead of using a proxy (defaults to false)\r
-     */\r
-    dynamic : false,\r
-    <div id="cfg-Ext.Resizable-easing"></div>/**\r
-     * @cfg {String} easing Animation easing if animate = true (defaults to <tt>'easingOutStrong'</tt>)\r
-     */\r
-    easing : 'easeOutStrong',\r
-    <div id="cfg-Ext.Resizable-enabled"></div>/**\r
-     * @cfg {Boolean} enabled False to disable resizing (defaults to true)\r
-     */\r
-    enabled : true,\r
-    <div id="prop-Ext.Resizable-enabled"></div>/**\r
-     * @property enabled Writable. False if resizing is disabled.\r
-     * @type Boolean \r
-     */\r
-    <div id="cfg-Ext.Resizable-handles"></div>/**\r
-     * @cfg {String} handles String consisting of the resize handles to display (defaults to undefined).\r
-     * Specify either <tt>'all'</tt> or any of <tt>'n s e w ne nw se sw'</tt>.\r
-     */\r
-    handles : false,\r
-    <div id="cfg-Ext.Resizable-multiDirectional"></div>/**\r
-     * @cfg {Boolean} multiDirectional <b>Deprecated</b>.  Deprecated style of adding multi-direction resize handles.\r
-     */\r
-    multiDirectional : false,\r
-    <div id="cfg-Ext.Resizable-height"></div>/**\r
-     * @cfg {Number} height The height of the element in pixels (defaults to null)\r
-     */\r
-    height : null,\r
-    <div id="cfg-Ext.Resizable-width"></div>/**\r
-     * @cfg {Number} width The width of the element in pixels (defaults to null)\r
-     */\r
-    width : null,\r
-    <div id="cfg-Ext.Resizable-heightIncrement"></div>/**\r
-     * @cfg {Number} heightIncrement The increment to snap the height resize in pixels\r
-     * (only applies if <code>{@link #dynamic}==true</code>). Defaults to <tt>0</tt>.\r
-     */\r
-    heightIncrement : 0,\r
-    <div id="cfg-Ext.Resizable-widthIncrement"></div>/**\r
-     * @cfg {Number} widthIncrement The increment to snap the width resize in pixels\r
-     * (only applies if <code>{@link #dynamic}==true</code>). Defaults to <tt>0</tt>.\r
-     */\r
-    widthIncrement : 0,\r
-    <div id="cfg-Ext.Resizable-minHeight"></div>/**\r
-     * @cfg {Number} minHeight The minimum height for the element (defaults to 5)\r
-     */\r
-    minHeight : 5,\r
-    <div id="cfg-Ext.Resizable-minWidth"></div>/**\r
-     * @cfg {Number} minWidth The minimum width for the element (defaults to 5)\r
-     */\r
-    minWidth : 5,\r
-    <div id="cfg-Ext.Resizable-maxHeight"></div>/**\r
-     * @cfg {Number} maxHeight The maximum height for the element (defaults to 10000)\r
-     */\r
-    maxHeight : 10000,\r
-    <div id="cfg-Ext.Resizable-maxWidth"></div>/**\r
-     * @cfg {Number} maxWidth The maximum width for the element (defaults to 10000)\r
-     */\r
-    maxWidth : 10000,\r
-    <div id="cfg-Ext.Resizable-minX"></div>/**\r
-     * @cfg {Number} minX The minimum x for the element (defaults to 0)\r
-     */\r
-    minX: 0,\r
-    <div id="cfg-Ext.Resizable-minY"></div>/**\r
-     * @cfg {Number} minY The minimum x for the element (defaults to 0)\r
-     */\r
-    minY: 0,\r
-    <div id="cfg-Ext.Resizable-pinned"></div>/**\r
-     * @cfg {Boolean} pinned True to ensure that the resize handles are always visible, false to display them only when the\r
-     * user mouses over the resizable borders. This is only applied at config time. (defaults to false)\r
-     */\r
-    pinned : false,\r
-    <div id="cfg-Ext.Resizable-preserveRatio"></div>/**\r
-     * @cfg {Boolean} preserveRatio True to preserve the original ratio between height\r
-     * and width during resize (defaults to false)\r
-     */\r
-    preserveRatio : false,\r
-    <div id="cfg-Ext.Resizable-resizeChild"></div>/**\r
-     * @cfg {Boolean/String/Element} resizeChild True to resize the first child, or id/element to resize (defaults to false) \r
-     */ \r
-    resizeChild : false,\r
-    <div id="cfg-Ext.Resizable-transparent"></div>/**\r
-     * @cfg {Boolean} transparent True for transparent handles. This is only applied at config time. (defaults to false)\r
-     */\r
-    transparent: false,\r
-    <div id="cfg-Ext.Resizable-resizeRegion"></div>/**\r
-     * @cfg {Ext.lib.Region} resizeRegion Constrain the resize to a particular region\r
-     */\r
-    <div id="cfg-Ext.Resizable-wrap"></div>/**\r
-     * @cfg {Boolean} wrap True to wrap an element with a div if needed (required for textareas and images, defaults to false)\r
-     * in favor of the handles config option (defaults to false)\r
-     */\r
-\r
-    \r
-    <div id="method-Ext.Resizable-resizeTo"></div>/**\r
-     * Perform a manual resize and fires the 'resize' event.\r
-     * @param {Number} width\r
-     * @param {Number} height\r
-     */\r
-    resizeTo : function(width, height){\r
-        this.el.setSize(width, height);\r
-        this.updateChildSize();\r
-        this.fireEvent('resize', this, width, height, null);\r
-    },\r
-\r
-    // private\r
-    startSizing : function(e, handle){\r
-        this.fireEvent('beforeresize', this, e);\r
-        if(this.enabled){ // 2nd enabled check in case disabled before beforeresize handler\r
-\r
-            if(!this.overlay){\r
-                this.overlay = this.el.createProxy({tag: 'div', cls: 'x-resizable-overlay', html: '&#160;'}, Ext.getBody());\r
-                this.overlay.unselectable();\r
-                this.overlay.enableDisplayMode('block');\r
-                this.overlay.on({\r
-                    scope: this,\r
-                    mousemove: this.onMouseMove,\r
-                    mouseup: this.onMouseUp\r
-                });\r
-            }\r
-            this.overlay.setStyle('cursor', handle.el.getStyle('cursor'));\r
-\r
-            this.resizing = true;\r
-            this.startBox = this.el.getBox();\r
-            this.startPoint = e.getXY();\r
-            this.offsets = [(this.startBox.x + this.startBox.width) - this.startPoint[0],\r
-                            (this.startBox.y + this.startBox.height) - this.startPoint[1]];\r
-\r
-            this.overlay.setSize(Ext.lib.Dom.getViewWidth(true), Ext.lib.Dom.getViewHeight(true));\r
-            this.overlay.show();\r
-\r
-            if(this.constrainTo) {\r
-                var ct = Ext.get(this.constrainTo);\r
-                this.resizeRegion = ct.getRegion().adjust(\r
-                    ct.getFrameWidth('t'),\r
-                    ct.getFrameWidth('l'),\r
-                    -ct.getFrameWidth('b'),\r
-                    -ct.getFrameWidth('r')\r
-                );\r
-            }\r
-\r
-            this.proxy.setStyle('visibility', 'hidden'); // workaround display none\r
-            this.proxy.show();\r
-            this.proxy.setBox(this.startBox);\r
-            if(!this.dynamic){\r
-                this.proxy.setStyle('visibility', 'visible');\r
-            }\r
-        }\r
-    },\r
-\r
-    // private\r
-    onMouseDown : function(handle, e){\r
-        if(this.enabled){\r
-            e.stopEvent();\r
-            this.activeHandle = handle;\r
-            this.startSizing(e, handle);\r
-        }          \r
-    },\r
-\r
-    // private\r
-    onMouseUp : function(e){\r
-        this.activeHandle = null;\r
-        var size = this.resizeElement();\r
-        this.resizing = false;\r
-        this.handleOut();\r
-        this.overlay.hide();\r
-        this.proxy.hide();\r
-        this.fireEvent('resize', this, size.width, size.height, e);\r
-    },\r
-\r
-    // private\r
-    updateChildSize : function(){\r
-        if(this.resizeChild){\r
-            var el = this.el;\r
-            var child = this.resizeChild;\r
-            var adj = this.adjustments;\r
-            if(el.dom.offsetWidth){\r
-                var b = el.getSize(true);\r
-                child.setSize(b.width+adj[0], b.height+adj[1]);\r
-            }\r
-            // Second call here for IE\r
-            // The first call enables instant resizing and\r
-            // the second call corrects scroll bars if they\r
-            // exist\r
-            if(Ext.isIE){\r
-                setTimeout(function(){\r
-                    if(el.dom.offsetWidth){\r
-                        var b = el.getSize(true);\r
-                        child.setSize(b.width+adj[0], b.height+adj[1]);\r
-                    }\r
-                }, 10);\r
-            }\r
-        }\r
-    },\r
-\r
-    // private\r
-    snap : function(value, inc, min){\r
-        if(!inc || !value){\r
-            return value;\r
-        }\r
-        var newValue = value;\r
-        var m = value % inc;\r
-        if(m > 0){\r
-            if(m > (inc/2)){\r
-                newValue = value + (inc-m);\r
-            }else{\r
-                newValue = value - m;\r
-            }\r
-        }\r
-        return Math.max(min, newValue);\r
-    },\r
-\r
-    <div id="method-Ext.Resizable-resizeElement"></div>/**\r
-     * <p>Performs resizing of the associated Element. This method is called internally by this\r
-     * class, and should not be called by user code.</p>\r
-     * <p>If a Resizable is being used to resize an Element which encapsulates a more complex UI\r
-     * component such as a Panel, this method may be overridden by specifying an implementation\r
-     * as a config option to provide appropriate behaviour at the end of the resize operation on\r
-     * mouseup, for example resizing the Panel, and relaying the Panel's content.</p>\r
-     * <p>The new area to be resized to is available by examining the state of the {@link #proxy}\r
-     * Element. Example:\r
-<pre><code>\r
-new Ext.Panel({\r
-    title: 'Resize me',\r
-    x: 100,\r
-    y: 100,\r
-    renderTo: Ext.getBody(),\r
-    floating: true,\r
-    frame: true,\r
-    width: 400,\r
-    height: 200,\r
-    listeners: {\r
-        render: function(p) {\r
-            new Ext.Resizable(p.getEl(), {\r
-                handles: 'all',\r
-                pinned: true,\r
-                transparent: true,\r
-                resizeElement: function() {\r
-                    var box = this.proxy.getBox();\r
-                    p.updateBox(box);\r
-                    if (p.layout) {\r
-                        p.doLayout();\r
-                    }\r
-                    return box;\r
-                }\r
-           });\r
-       }\r
-    }\r
-}).show();\r
-</code></pre>\r
-     */\r
-    resizeElement : function(){\r
-        var box = this.proxy.getBox();\r
-        if(this.updateBox){\r
-            this.el.setBox(box, false, this.animate, this.duration, null, this.easing);\r
-        }else{\r
-            this.el.setSize(box.width, box.height, this.animate, this.duration, null, this.easing);\r
-        }\r
-        this.updateChildSize();\r
-        if(!this.dynamic){\r
-            this.proxy.hide();\r
-        }\r
-        if(this.draggable && this.constrainTo){\r
-            this.dd.resetConstraints();\r
-            this.dd.constrainTo(this.constrainTo);\r
-        }\r
-        return box;\r
-    },\r
-\r
-    // private\r
-    constrain : function(v, diff, m, mx){\r
-        if(v - diff < m){\r
-            diff = v - m;    \r
-        }else if(v - diff > mx){\r
-            diff = v - mx; \r
-        }\r
-        return diff;                \r
-    },\r
-\r
-    // private\r
-    onMouseMove : function(e){\r
-        if(this.enabled && this.activeHandle){\r
-            try{// try catch so if something goes wrong the user doesn't get hung\r
-\r
-            if(this.resizeRegion && !this.resizeRegion.contains(e.getPoint())) {\r
-                return;\r
-            }\r
-\r
-            //var curXY = this.startPoint;\r
-            var curSize = this.curSize || this.startBox,\r
-                x = this.startBox.x, y = this.startBox.y,\r
-                ox = x, \r
-                oy = y,\r
-                w = curSize.width, \r
-                h = curSize.height,\r
-                ow = w, \r
-                oh = h,\r
-                mw = this.minWidth, \r
-                mh = this.minHeight,\r
-                mxw = this.maxWidth, \r
-                mxh = this.maxHeight,\r
-                wi = this.widthIncrement,\r
-                hi = this.heightIncrement,\r
-                eventXY = e.getXY(),\r
-                diffX = -(this.startPoint[0] - Math.max(this.minX, eventXY[0])),\r
-                diffY = -(this.startPoint[1] - Math.max(this.minY, eventXY[1])),\r
-                pos = this.activeHandle.position,\r
-                tw,\r
-                th;\r
-            \r
-            switch(pos){\r
-                case 'east':\r
-                    w += diffX; \r
-                    w = Math.min(Math.max(mw, w), mxw);\r
-                    break;\r
-                case 'south':\r
-                    h += diffY;\r
-                    h = Math.min(Math.max(mh, h), mxh);\r
-                    break;\r
-                case 'southeast':\r
-                    w += diffX; \r
-                    h += diffY;\r
-                    w = Math.min(Math.max(mw, w), mxw);\r
-                    h = Math.min(Math.max(mh, h), mxh);\r
-                    break;\r
-                case 'north':\r
-                    diffY = this.constrain(h, diffY, mh, mxh);\r
-                    y += diffY;\r
-                    h -= diffY;\r
-                    break;\r
-                case 'west':\r
-                    diffX = this.constrain(w, diffX, mw, mxw);\r
-                    x += diffX;\r
-                    w -= diffX;\r
-                    break;\r
-                case 'northeast':\r
-                    w += diffX; \r
-                    w = Math.min(Math.max(mw, w), mxw);\r
-                    diffY = this.constrain(h, diffY, mh, mxh);\r
-                    y += diffY;\r
-                    h -= diffY;\r
-                    break;\r
-                case 'northwest':\r
-                    diffX = this.constrain(w, diffX, mw, mxw);\r
-                    diffY = this.constrain(h, diffY, mh, mxh);\r
-                    y += diffY;\r
-                    h -= diffY;\r
-                    x += diffX;\r
-                    w -= diffX;\r
-                    break;\r
-               case 'southwest':\r
-                    diffX = this.constrain(w, diffX, mw, mxw);\r
-                    h += diffY;\r
-                    h = Math.min(Math.max(mh, h), mxh);\r
-                    x += diffX;\r
-                    w -= diffX;\r
-                    break;\r
-            }\r
-            \r
-            var sw = this.snap(w, wi, mw);\r
-            var sh = this.snap(h, hi, mh);\r
-            if(sw != w || sh != h){\r
-                switch(pos){\r
-                    case 'northeast':\r
-                        y -= sh - h;\r
-                    break;\r
-                    case 'north':\r
-                        y -= sh - h;\r
-                        break;\r
-                    case 'southwest':\r
-                        x -= sw - w;\r
-                    break;\r
-                    case 'west':\r
-                        x -= sw - w;\r
-                        break;\r
-                    case 'northwest':\r
-                        x -= sw - w;\r
-                        y -= sh - h;\r
-                    break;\r
-                }\r
-                w = sw;\r
-                h = sh;\r
-            }\r
-            \r
-            if(this.preserveRatio){\r
-                switch(pos){\r
-                    case 'southeast':\r
-                    case 'east':\r
-                        h = oh * (w/ow);\r
-                        h = Math.min(Math.max(mh, h), mxh);\r
-                        w = ow * (h/oh);\r
-                       break;\r
-                    case 'south':\r
-                        w = ow * (h/oh);\r
-                        w = Math.min(Math.max(mw, w), mxw);\r
-                        h = oh * (w/ow);\r
-                        break;\r
-                    case 'northeast':\r
-                        w = ow * (h/oh);\r
-                        w = Math.min(Math.max(mw, w), mxw);\r
-                        h = oh * (w/ow);\r
-                    break;\r
-                    case 'north':\r
-                        tw = w;\r
-                        w = ow * (h/oh);\r
-                        w = Math.min(Math.max(mw, w), mxw);\r
-                        h = oh * (w/ow);\r
-                        x += (tw - w) / 2;\r
-                        break;\r
-                    case 'southwest':\r
-                        h = oh * (w/ow);\r
-                        h = Math.min(Math.max(mh, h), mxh);\r
-                        tw = w;\r
-                        w = ow * (h/oh);\r
-                        x += tw - w;\r
-                        break;\r
-                    case 'west':\r
-                        th = h;\r
-                        h = oh * (w/ow);\r
-                        h = Math.min(Math.max(mh, h), mxh);\r
-                        y += (th - h) / 2;\r
-                        tw = w;\r
-                        w = ow * (h/oh);\r
-                        x += tw - w;\r
-                       break;\r
-                    case 'northwest':\r
-                        tw = w;\r
-                        th = h;\r
-                        h = oh * (w/ow);\r
-                        h = Math.min(Math.max(mh, h), mxh);\r
-                        w = ow * (h/oh);\r
-                        y += th - h;\r
-                        x += tw - w;\r
-                        break;\r
-                        \r
-                }\r
-            }\r
-            this.proxy.setBounds(x, y, w, h);\r
-            if(this.dynamic){\r
-                this.resizeElement();\r
-            }\r
-            }catch(ex){}\r
-        }\r
-    },\r
-\r
-    // private\r
-    handleOver : function(){\r
-        if(this.enabled){\r
-            this.el.addClass('x-resizable-over');\r
-        }\r
-    },\r
-\r
-    // private\r
-    handleOut : function(){\r
-        if(!this.resizing){\r
-            this.el.removeClass('x-resizable-over');\r
-        }\r
-    },\r
-    \r
-    <div id="method-Ext.Resizable-getEl"></div>/**\r
-     * Returns the element this component is bound to.\r
-     * @return {Ext.Element}\r
-     */\r
-    getEl : function(){\r
-        return this.el;\r
-    },\r
-    \r
-    <div id="method-Ext.Resizable-getResizeChild"></div>/**\r
-     * Returns the resizeChild element (or null).\r
-     * @return {Ext.Element}\r
-     */\r
-    getResizeChild : function(){\r
-        return this.resizeChild;\r
-    },\r
-    \r
-    <div id="method-Ext.Resizable-destroy"></div>/**\r
-     * Destroys this resizable. If the element was wrapped and \r
-     * removeEl is not true then the element remains.\r
-     * @param {Boolean} removeEl (optional) true to remove the element from the DOM\r
-     */\r
-    destroy : function(removeEl){\r
-        Ext.destroy(this.dd, this.overlay, this.proxy);\r
-        this.overlay = null;\r
-        this.proxy = null;\r
-        \r
-        var ps = Ext.Resizable.positions;\r
-        for(var k in ps){\r
-            if(typeof ps[k] != 'function' && this[ps[k]]){\r
-                this[ps[k]].destroy();\r
-            }\r
-        }\r
-        if(removeEl){\r
-            this.el.update('');\r
-            Ext.destroy(this.el);\r
-            this.el = null;\r
-        }\r
-        this.purgeListeners();\r
-    },\r
-\r
-    syncHandleHeight : function(){\r
-        var h = this.el.getHeight(true);\r
-        if(this.west){\r
-            this.west.el.setHeight(h);\r
-        }\r
-        if(this.east){\r
-            this.east.el.setHeight(h);\r
-        }\r
-    }\r
-});\r
-\r
-// private\r
-// hash to map config positions to true positions\r
-Ext.Resizable.positions = {\r
-    n: 'north', s: 'south', e: 'east', w: 'west', se: 'southeast', sw: 'southwest', nw: 'northwest', ne: 'northeast'\r
-};\r
-\r
-// private\r
-Ext.Resizable.Handle = function(rz, pos, disableTrackOver, transparent){\r
-    if(!this.tpl){\r
-        // only initialize the template if resizable is used\r
-        var tpl = Ext.DomHelper.createTemplate(\r
-            {tag: 'div', cls: 'x-resizable-handle x-resizable-handle-{0}'}\r
-        );\r
-        tpl.compile();\r
-        Ext.Resizable.Handle.prototype.tpl = tpl;\r
-    }\r
-    this.position = pos;\r
-    this.rz = rz;\r
-    this.el = this.tpl.append(rz.el.dom, [this.position], true);\r
-    this.el.unselectable();\r
-    if(transparent){\r
-        this.el.setOpacity(0);\r
-    }\r
-    this.el.on('mousedown', this.onMouseDown, this);\r
-    if(!disableTrackOver){\r
-        this.el.on({\r
-            scope: this,\r
-            mouseover: this.onMouseOver,\r
-            mouseout: this.onMouseOut\r
-        });\r
-    }\r
-};\r
-\r
-// private\r
-Ext.Resizable.Handle.prototype = {\r
-    // private\r
-    afterResize : function(rz){\r
-        // do nothing    \r
-    },\r
-    // private\r
-    onMouseDown : function(e){\r
-        this.rz.onMouseDown(this, e);\r
-    },\r
-    // private\r
-    onMouseOver : function(e){\r
-        this.rz.handleOver(this, e);\r
-    },\r
-    // private\r
-    onMouseOut : function(e){\r
-        this.rz.handleOut(this, e);\r
-    },\r
-    // private\r
-    destroy : function(){\r
-        Ext.destroy(this.el);\r
-        this.el = null;\r
-    }\r
-};\r
-</pre>    \r
-</body>\r
+<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 3.2.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.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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