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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
/**
* @class Ext.Element
*/
Ext.Element.addMethods(
function() {
var VISIBILITY = "visibility",
DISPLAY = "display",
HIDDEN = "hidden",
NONE = "none",
XMASKED = "x-masked",
XMASKEDRELATIVE = "x-masked-relative",
data = Ext.Element.data;
return {
<div id="method-Ext.Element-isVisible"></div>/**
* Checks whether the element is currently visible using both visibility and display properties.
* @param {Boolean} deep (optional) True to walk the dom and see if parent elements are hidden (defaults to false)
* @return {Boolean} True if the element is currently visible, else false
*/
isVisible : function(deep) {
var vis = !this.isStyle(VISIBILITY, HIDDEN) && !this.isStyle(DISPLAY, NONE),
p = this.dom.parentNode;
if (deep !== true || !vis) {
return vis;
}
while (p && !(/^body/i.test(p.tagName))) {
if (!Ext.fly(p, '_isVisible').isVisible()) {
return false;
}
p = p.parentNode;
}
return true;
},
<div id="method-Ext.Element-isDisplayed"></div>/**
* Returns true if display is not "none"
* @return {Boolean}
*/
isDisplayed : function() {
return !this.isStyle(DISPLAY, NONE);
},
<div id="method-Ext.Element-enableDisplayMode"></div>/**
* Convenience method for setVisibilityMode(Element.DISPLAY)
* @param {String} display (optional) What to set display to when visible
* @return {Ext.Element} this
*/
enableDisplayMode : function(display) {
this.setVisibilityMode(Ext.Element.DISPLAY);
if (!Ext.isEmpty(display)) {
data(this.dom, 'originalDisplay', display);
}
return this;
},
<div id="method-Ext.Element-mask"></div>/**
* Puts a mask over this element to disable user interaction. Requires core.css.
* This method can only be applied to elements which accept child nodes.
* @param {String} msg (optional) A message to display in the mask
* @param {String} msgCls (optional) A css class to apply to the msg element
* @return {Element} The mask element
*/
mask : function(msg, msgCls) {
var me = this,
dom = me.dom,
dh = Ext.DomHelper,
EXTELMASKMSG = "ext-el-mask-msg",
el,
mask;
if (!/^body/i.test(dom.tagName) && me.getStyle('position') == 'static') {
me.addClass(XMASKEDRELATIVE);
}
if (el = data(dom, 'maskMsg')) {
el.remove();
}
if (el = data(dom, 'mask')) {
el.remove();
}
mask = dh.append(dom, {cls : "ext-el-mask"}, true);
data(dom, 'mask', mask);
me.addClass(XMASKED);
mask.setDisplayed(true);
if (typeof msg == 'string') {
var mm = dh.append(dom, {cls : EXTELMASKMSG, cn:{tag:'div'}}, true);
data(dom, 'maskMsg', mm);
mm.dom.className = msgCls ? EXTELMASKMSG + " " + msgCls : EXTELMASKMSG;
mm.dom.firstChild.innerHTML = msg;
mm.setDisplayed(true);
mm.center(me);
}
// ie will not expand full height automatically
if (Ext.isIE && !(Ext.isIE7 && Ext.isStrict) && me.getStyle('height') == 'auto') {
mask.setSize(undefined, me.getHeight());
}
return mask;
},
<div id="method-Ext.Element-unmask"></div>/**
* Removes a previously applied mask.
*/
unmask : function() {
var me = this,
dom = me.dom,
mask = data(dom, 'mask'),
maskMsg = data(dom, 'maskMsg');
if (mask) {
if (maskMsg) {
maskMsg.remove();
data(dom, 'maskMsg', undefined);
}
mask.remove();
data(dom, 'mask', undefined);
me.removeClass([XMASKED, XMASKEDRELATIVE]);
}
},
<div id="method-Ext.Element-isMasked"></div>/**
* Returns true if this element is masked
* @return {Boolean}
*/
isMasked : function() {
var m = data(this.dom, 'mask');
return m && m.isVisible();
},
<div id="method-Ext.Element-createShim"></div>/**
* Creates an iframe shim for this element to keep selects and other windowed objects from
* showing through.
* @return {Ext.Element} The new shim element
*/
createShim : function() {
var el = document.createElement('iframe'),
shim;
el.frameBorder = '0';
el.className = 'ext-shim';
el.src = Ext.SSL_SECURE_URL;
shim = Ext.get(this.dom.parentNode.insertBefore(el, this.dom));
shim.autoBoxAdjust = false;
return shim;
}
};
}()
);</pre>
</body>
</html>
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