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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