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4 <title>The source code</title>
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8 <body onload="prettyPrint();">
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9 <pre class="prettyprint lang-js">/**
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10 * @class Ext.Element
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12 Ext.Element.addMethods(
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14 var VISIBILITY = "visibility",
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15 DISPLAY = "display",
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18 XMASKED = "x-masked",
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19 XMASKEDRELATIVE = "x-masked-relative",
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20 data = Ext.Element.data;
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23 <div id="method-Ext.Element-isVisible"></div>/**
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24 * Checks whether the element is currently visible using both visibility and display properties.
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25 * @param {Boolean} deep (optional) True to walk the dom and see if parent elements are hidden (defaults to false)
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26 * @return {Boolean} True if the element is currently visible, else false
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28 isVisible : function(deep) {
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29 var vis = !this.isStyle(VISIBILITY,HIDDEN) && !this.isStyle(DISPLAY,NONE),
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30 p = this.dom.parentNode;
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31 if(deep !== true || !vis){
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34 while(p && !/body/i.test(p.tagName)){
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35 if(!Ext.fly(p, '_isVisible').isVisible()){
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43 <div id="method-Ext.Element-isDisplayed"></div>/**
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44 * Returns true if display is not "none"
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47 isDisplayed : function() {
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48 return !this.isStyle(DISPLAY, NONE);
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51 <div id="method-Ext.Element-enableDisplayMode"></div>/**
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52 * Convenience method for setVisibilityMode(Element.DISPLAY)
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53 * @param {String} display (optional) What to set display to when visible
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54 * @return {Ext.Element} this
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56 enableDisplayMode : function(display){
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57 this.setVisibilityMode(Ext.Element.DISPLAY);
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58 if(!Ext.isEmpty(display)){
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59 data(this.dom, 'originalDisplay', display);
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64 <div id="method-Ext.Element-mask"></div>/**
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65 * Puts a mask over this element to disable user interaction. Requires core.css.
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66 * This method can only be applied to elements which accept child nodes.
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67 * @param {String} msg (optional) A message to display in the mask
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68 * @param {String} msgCls (optional) A css class to apply to the msg element
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69 * @return {Element} The mask element
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71 mask : function(msg, msgCls){
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75 EXTELMASKMSG = "ext-el-mask-msg",
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79 if(me.getStyle("position") == "static"){
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80 me.addClass(XMASKEDRELATIVE);
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82 if((el = data(dom, 'maskMsg'))){
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85 if((el = data(dom, 'mask'))){
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89 mask = dh.append(dom, {cls : "ext-el-mask"}, true);
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90 data(dom, 'mask', mask);
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92 me.addClass(XMASKED);
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93 mask.setDisplayed(true);
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94 if(typeof msg == 'string'){
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95 var mm = dh.append(dom, {cls : EXTELMASKMSG, cn:{tag:'div'}}, true);
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96 data(dom, 'maskMsg', mm);
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97 mm.dom.className = msgCls ? EXTELMASKMSG + " " + msgCls : EXTELMASKMSG;
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98 mm.dom.firstChild.innerHTML = msg;
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99 mm.setDisplayed(true);
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102 if(Ext.isIE && !(Ext.isIE7 && Ext.isStrict) && me.getStyle('height') == 'auto'){ // ie will not expand full height automatically
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103 mask.setSize(undefined, me.getHeight());
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108 <div id="method-Ext.Element-unmask"></div>/**
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109 * Removes a previously applied mask.
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111 unmask : function(){
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114 mask = data(dom, 'mask'),
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115 maskMsg = data(dom, 'maskMsg');
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119 data(dom, 'maskMsg', undefined);
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122 data(dom, 'mask', undefined);
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124 me.removeClass([XMASKED, XMASKEDRELATIVE]);
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127 <div id="method-Ext.Element-isMasked"></div>/**
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128 * Returns true if this element is masked
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129 * @return {Boolean}
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131 isMasked : function(){
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132 var m = data(this.dom, 'mask');
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133 return m && m.isVisible();
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136 <div id="method-Ext.Element-createShim"></div>/**
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137 * Creates an iframe shim for this element to keep selects and other windowed objects from
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139 * @return {Ext.Element} The new shim element
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141 createShim : function(){
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142 var el = document.createElement('iframe'),
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144 el.frameBorder = '0';
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145 el.className = 'ext-shim';
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146 el.src = Ext.SSL_SECURE_URL;
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147 shim = Ext.get(this.dom.parentNode.insertBefore(el, this.dom));
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148 shim.autoBoxAdjust = false;
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