[76] | 1 | /*! |
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| 2 | * Ext JS Library 3.4.0 |
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| 3 | * Copyright(c) 2006-2011 Sencha Inc. |
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| 4 | * licensing@sencha.com |
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| 5 | * http://www.sencha.com/license |
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| 6 | */ |
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| 7 | /** |
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| 8 | * @class Ext.Element |
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| 9 | */ |
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| 10 | Ext.Element.addMethods({ |
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| 11 | /** |
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| 12 | * Stops the specified event(s) from bubbling and optionally prevents the default action |
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| 13 | * @param {String/Array} eventName an event / array of events to stop from bubbling |
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| 14 | * @param {Boolean} preventDefault (optional) true to prevent the default action too |
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| 15 | * @return {Ext.Element} this |
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| 16 | */ |
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| 17 | swallowEvent : function(eventName, preventDefault) { |
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| 18 | var me = this; |
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| 19 | function fn(e) { |
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| 20 | e.stopPropagation(); |
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| 21 | if (preventDefault) { |
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| 22 | e.preventDefault(); |
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| 23 | } |
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| 24 | } |
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| 25 | |
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| 26 | if (Ext.isArray(eventName)) { |
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| 27 | Ext.each(eventName, function(e) { |
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| 28 | me.on(e, fn); |
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| 29 | }); |
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| 30 | return me; |
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| 31 | } |
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| 32 | me.on(eventName, fn); |
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| 33 | return me; |
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| 34 | }, |
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| 35 | |
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| 36 | /** |
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| 37 | * Create an event handler on this element such that when the event fires and is handled by this element, |
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| 38 | * it will be relayed to another object (i.e., fired again as if it originated from that object instead). |
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| 39 | * @param {String} eventName The type of event to relay |
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| 40 | * @param {Object} object Any object that extends {@link Ext.util.Observable} that will provide the context |
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| 41 | * for firing the relayed event |
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| 42 | */ |
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| 43 | relayEvent : function(eventName, observable) { |
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| 44 | this.on(eventName, function(e) { |
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| 45 | observable.fireEvent(eventName, e); |
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| 46 | }); |
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| 47 | }, |
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| 48 | |
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| 49 | /** |
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| 50 | * Removes worthless text nodes |
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| 51 | * @param {Boolean} forceReclean (optional) By default the element |
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| 52 | * keeps track if it has been cleaned already so |
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| 53 | * you can call this over and over. However, if you update the element and |
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| 54 | * need to force a reclean, you can pass true. |
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| 55 | */ |
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| 56 | clean : function(forceReclean) { |
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| 57 | var me = this, |
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| 58 | dom = me.dom, |
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| 59 | n = dom.firstChild, |
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| 60 | ni = -1; |
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| 61 | |
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| 62 | if (Ext.Element.data(dom, 'isCleaned') && forceReclean !== true) { |
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| 63 | return me; |
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| 64 | } |
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| 65 | |
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| 66 | while (n) { |
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| 67 | var nx = n.nextSibling; |
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| 68 | if (n.nodeType == 3 && !(/\S/.test(n.nodeValue))) { |
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| 69 | dom.removeChild(n); |
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| 70 | } else { |
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| 71 | n.nodeIndex = ++ni; |
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| 72 | } |
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| 73 | n = nx; |
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| 74 | } |
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| 75 | |
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| 76 | Ext.Element.data(dom, 'isCleaned', true); |
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| 77 | return me; |
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| 78 | }, |
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| 79 | |
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| 80 | /** |
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| 81 | * Direct access to the Updater {@link Ext.Updater#update} method. The method takes the same object |
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| 82 | * parameter as {@link Ext.Updater#update} |
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| 83 | * @return {Ext.Element} this |
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| 84 | */ |
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| 85 | load : function() { |
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| 86 | var updateManager = this.getUpdater(); |
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| 87 | updateManager.update.apply(updateManager, arguments); |
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| 88 | |
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| 89 | return this; |
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| 90 | }, |
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| 91 | |
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| 92 | /** |
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| 93 | * Gets this element's {@link Ext.Updater Updater} |
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| 94 | * @return {Ext.Updater} The Updater |
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| 95 | */ |
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| 96 | getUpdater : function() { |
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| 97 | return this.updateManager || (this.updateManager = new Ext.Updater(this)); |
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| 98 | }, |
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| 99 | |
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| 100 | /** |
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| 101 | * Update the innerHTML of this element, optionally searching for and processing scripts |
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| 102 | * @param {String} html The new HTML |
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| 103 | * @param {Boolean} loadScripts (optional) True to look for and process scripts (defaults to false) |
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| 104 | * @param {Function} callback (optional) For async script loading you can be notified when the update completes |
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| 105 | * @return {Ext.Element} this |
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| 106 | */ |
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| 107 | update : function(html, loadScripts, callback) { |
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| 108 | if (!this.dom) { |
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| 109 | return this; |
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| 110 | } |
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| 111 | html = html || ""; |
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| 112 | |
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| 113 | if (loadScripts !== true) { |
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| 114 | this.dom.innerHTML = html; |
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| 115 | if (typeof callback == 'function') { |
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| 116 | callback(); |
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| 117 | } |
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| 118 | return this; |
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| 119 | } |
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| 120 | |
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| 121 | var id = Ext.id(), |
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| 122 | dom = this.dom; |
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| 123 | |
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| 124 | html += '<span id="' + id + '"></span>'; |
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| 125 | |
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| 126 | Ext.lib.Event.onAvailable(id, function() { |
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| 127 | var DOC = document, |
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| 128 | hd = DOC.getElementsByTagName("head")[0], |
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| 129 | re = /(?:<script([^>]*)?>)((\n|\r|.)*?)(?:<\/script>)/ig, |
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| 130 | srcRe = /\ssrc=([\'\"])(.*?)\1/i, |
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| 131 | typeRe = /\stype=([\'\"])(.*?)\1/i, |
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| 132 | match, |
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| 133 | attrs, |
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| 134 | srcMatch, |
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| 135 | typeMatch, |
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| 136 | el, |
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| 137 | s; |
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| 138 | |
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| 139 | while ((match = re.exec(html))) { |
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| 140 | attrs = match[1]; |
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| 141 | srcMatch = attrs ? attrs.match(srcRe) : false; |
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| 142 | if (srcMatch && srcMatch[2]) { |
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| 143 | s = DOC.createElement("script"); |
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| 144 | s.src = srcMatch[2]; |
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| 145 | typeMatch = attrs.match(typeRe); |
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| 146 | if (typeMatch && typeMatch[2]) { |
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| 147 | s.type = typeMatch[2]; |
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| 148 | } |
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| 149 | hd.appendChild(s); |
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| 150 | } else if (match[2] && match[2].length > 0) { |
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| 151 | if (window.execScript) { |
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| 152 | window.execScript(match[2]); |
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| 153 | } else { |
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| 154 | window.eval(match[2]); |
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| 155 | } |
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| 156 | } |
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| 157 | } |
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| 158 | |
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| 159 | el = DOC.getElementById(id); |
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| 160 | if (el) { |
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| 161 | Ext.removeNode(el); |
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| 162 | } |
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| 163 | |
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| 164 | if (typeof callback == 'function') { |
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| 165 | callback(); |
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| 166 | } |
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| 167 | }); |
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| 168 | dom.innerHTML = html.replace(/(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)/ig, ""); |
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| 169 | return this; |
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| 170 | }, |
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| 171 | |
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| 172 | // inherit docs, overridden so we can add removeAnchor |
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| 173 | removeAllListeners : function() { |
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| 174 | this.removeAnchor(); |
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| 175 | Ext.EventManager.removeAll(this.dom); |
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| 176 | return this; |
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| 177 | }, |
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| 178 | |
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| 179 | /** |
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| 180 | * Creates a proxy element of this element |
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| 181 | * @param {String/Object} config The class name of the proxy element or a DomHelper config object |
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| 182 | * @param {String/HTMLElement} renderTo (optional) The element or element id to render the proxy to (defaults to document.body) |
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| 183 | * @param {Boolean} matchBox (optional) True to align and size the proxy to this element now (defaults to false) |
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| 184 | * @return {Ext.Element} The new proxy element |
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| 185 | */ |
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| 186 | createProxy : function(config, renderTo, matchBox) { |
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| 187 | config = (typeof config == 'object') ? config : {tag : "div", cls: config}; |
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| 188 | |
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| 189 | var me = this, |
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| 190 | proxy = renderTo ? Ext.DomHelper.append(renderTo, config, true) : |
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| 191 | Ext.DomHelper.insertBefore(me.dom, config, true); |
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| 192 | |
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| 193 | if (matchBox && me.setBox && me.getBox) { // check to make sure Element.position.js is loaded |
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| 194 | proxy.setBox(me.getBox()); |
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| 195 | } |
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| 196 | return proxy; |
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| 197 | } |
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| 198 | }); |
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| 199 | |
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| 200 | Ext.Element.prototype.getUpdateManager = Ext.Element.prototype.getUpdater; |
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