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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Sebastian Werner (wpbasti)
* Andreas Ecker (ecker)
************************************************************************ */
/**
* Crossbrowser operations on DOM Elements
*/
qx.OO.defineClass("qx.dom.Element");
/**
* Removes whitespace-only text node children
*
* @param vElement {Element} DOM element
*/
qx.Class.cleanWhitespace = function(vElement)
{
for (var i=0; i<vElement.childNodes.length; i++)
{
var node = vElement.childNodes[i];
if (node.nodeType == qx.dom.Node.TEXT && !/\S/.test(node.nodeValue)) {
vElement.removeChild(node);
}
}
}
/**
* Checks if a element has no content
*
* @param vElement {Element} DOM element
*/
qx.Class.isEmpty = function(vElement) {
return vElement.innerHTML.match(/^\s*$/);
}
/**
* Returns the text content of a DOM element
* http://developer.mozilla.org/en/docs/DOM:element.textContent
*
* @param element {Element} DOM element
* @return {String}
*/
qx.Class.getTextContent = function(element) {
var text = "";
var childNodes = element.childNodes;
for (var i=0; i<childNodes.length; i++) {
var node = childNodes[i];
if (node.nodeType == qx.dom.Node.TEXT || node.nodeType == qx.dom.Node.CDATA_SECTION) {
text += node.nodeValue;
}
}
return text;
};
/**
* Sets the textValue of the given DOM element (http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#Node3-textContent).
* Wrapper for element.innerText and element.textContent.
*
* @param vElement {Element} DOM element
* @param sValue {String} the value
*/
qx.Class.setTextContent = function(vElement, sValue) {};
if (qx.core.Client.getInstance().supportsTextContent()) {
qx.Class.setTextContent = function(vElement, sValue) {
vElement.textContent = sValue;
};
} else if (qx.core.Client.getInstance().supportsInnerText()) {
qx.Class.setTextContent = function(vElement, sValue) {
vElement.innerText = sValue;
};
} else {
qx.Class.setTextContent = function(vElement, sValue) {
vElement.innerHTML = qx.html.String.escape(sValue);
};
}
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