dom.js

struts hibernet spring

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.dom");

dojo.dom.ELEMENT_NODE                  = 1;
dojo.dom.ATTRIBUTE_NODE                = 2;
dojo.dom.TEXT_NODE                     = 3;
dojo.dom.CDATA_SECTION_NODE            = 4;
dojo.dom.ENTITY_REFERENCE_NODE         = 5;
dojo.dom.ENTITY_NODE                   = 6;
dojo.dom.PROCESSING_INSTRUCTION_NODE   = 7;
dojo.dom.COMMENT_NODE                  = 8;
dojo.dom.DOCUMENT_NODE                 = 9;
dojo.dom.DOCUMENT_TYPE_NODE            = 10;
dojo.dom.DOCUMENT_FRAGMENT_NODE        = 11;
dojo.dom.NOTATION_NODE                 = 12;
	
dojo.dom.dojoml = "http://www.dojotoolkit.org/2004/dojoml";

/**
 *	comprehensive list of XML namespaces
**/
dojo.dom.xmlns = {
	//	summary
	//	aliases for various common XML namespaces
	svg : "http://www.w3.org/2000/svg",
	smil : "http://www.w3.org/2001/SMIL20/",
	mml : "http://www.w3.org/1998/Math/MathML",
	cml : "http://www.xml-cml.org",
	xlink : "http://www.w3.org/1999/xlink",
	xhtml : "http://www.w3.org/1999/xhtml",
	xul : "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
	xbl : "http://www.mozilla.org/xbl",
	fo : "http://www.w3.org/1999/XSL/Format",
	xsl : "http://www.w3.org/1999/XSL/Transform",
	xslt : "http://www.w3.org/1999/XSL/Transform",
	xi : "http://www.w3.org/2001/XInclude",
	xforms : "http://www.w3.org/2002/01/xforms",
	saxon : "http://icl.com/saxon",
	xalan : "http://xml.apache.org/xslt",
	xsd : "http://www.w3.org/2001/XMLSchema",
	dt: "http://www.w3.org/2001/XMLSchema-datatypes",
	xsi : "http://www.w3.org/2001/XMLSchema-instance",
	rdf : "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
	rdfs : "http://www.w3.org/2000/01/rdf-schema#",
	dc : "http://purl.org/dc/elements/1.1/",
	dcq: "http://purl.org/dc/qualifiers/1.0",
	"soap-env" : "http://schemas.xmlsoap.org/soap/envelope/",
	wsdl : "http://schemas.xmlsoap.org/wsdl/",
	AdobeExtensions : "http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/"
};

dojo.dom.isNode = function(/* object */wh){
	//	summary
	//	checks to see if wh is actually a node.
	if(typeof Element == "function") {
		try {
			return wh instanceof Element;	//	boolean
		} catch(E) {}
	} else {
		// best-guess
		return wh && !isNaN(wh.nodeType);	//	boolean
	}
}

dojo.dom.getUniqueId = function(){
	//	summary
	//	returns a unique string for use with any DOM element
	var _document = dojo.doc();
	do {
		var id = "dj_unique_" + (++arguments.callee._idIncrement);
	}while(_document.getElementById(id));
	return id;	//	string
}
dojo.dom.getUniqueId._idIncrement = 0;

dojo.dom.firstElement = dojo.dom.getFirstChildElement = function(/* Element */parentNode, /* string? */tagName){
	//	summary
	//	returns the first child element matching tagName
	var node = parentNode.firstChild;
	while(node && node.nodeType != dojo.dom.ELEMENT_NODE){
		node = node.nextSibling;
	}
	if(tagName && node && node.tagName && node.tagName.toLowerCase() != tagName.toLowerCase()) {
		node = dojo.dom.nextElement(node, tagName);
	}
	return node;	//	Element
}

dojo.dom.lastElement = dojo.dom.getLastChildElement = function(/* Element */parentNode, /* string? */tagName){
	//	summary
	//	returns the last child element matching tagName
	var node = parentNode.lastChild;
	while(node && node.nodeType != dojo.dom.ELEMENT_NODE) {
		node = node.previousSibling;
	}
	if(tagName && node && node.tagName && node.tagName.toLowerCase() != tagName.toLowerCase()) {
		node = dojo.dom.prevElement(node, tagName);
	}
	return node;	//	Element
}

dojo.dom.nextElement = dojo.dom.getNextSiblingElement = function(/* Node */node, /* string? */tagName){
	//	summary
	//	returns the next sibling element matching tagName
	if(!node) { return null; }
	do {
		node = node.nextSibling;
	} while(node && node.nodeType != dojo.dom.ELEMENT_NODE);

	if(node && tagName && tagName.toLowerCase() != node.tagName.toLowerCase()) {
		return dojo.dom.nextElement(node, tagName);
	}
	return node;	//	Element
}

dojo.dom.prevElement = dojo.dom.getPreviousSiblingElement = function(/* Node */node, /* string? */tagName){
	//	summary
	//	returns the previous sibling element matching tagName
	if(!node) { return null; }
	if(tagName) { tagName = tagName.toLowerCase(); }
	do {
		node = node.previousSibling;
	} while(node && node.nodeType != dojo.dom.ELEMENT_NODE);

	if(node && tagName && tagName.toLowerCase() != node.tagName.toLowerCase()) {
		return dojo.dom.prevElement(node, tagName);
	}
	return node;	//	Element
}

// TODO: hmph
/*this.forEachChildTag = function(node, unaryFunc) {
	var child = this.getFirstChildTag(node);
	while(child) {
		if(unaryFunc(child) == "break") { break; }
		child = this.getNextSiblingTag(child);
	}
}*/

dojo.dom.moveChildren = function(/* Element */srcNode, /* Element */destNode, /* boolean? */trim){
	//	summary
	//	Moves children from srcNode to destNode and returns the count of children moved; 
	//		will trim off text nodes if trim == true
	var count = 0;
	if(trim) {
		while(srcNode.hasChildNodes() &&
			srcNode.firstChild.nodeType == dojo.dom.TEXT_NODE) {
			srcNode.removeChild(srcNode.firstChild);
		}
		while(srcNode.hasChildNodes() &&
			srcNode.lastChild.nodeType == dojo.dom.TEXT_NODE) {
			srcNode.removeChild(srcNode.lastChild);
		}
	}
	while(srcNode.hasChildNodes()){
		destNode.appendChild(srcNode.firstChild);
		count++;
	}
	return count;	//	number
}

dojo.dom.copyChildren = function(/* Element */srcNode, /* Element */destNode, /* boolean? */trim){
	//	summary
	//	Copies children from srcNde to destNode and returns the count of children copied;
	//		will trim off text nodes if trim == true
	var clonedNode = srcNode.cloneNode(true);
	return this.moveChildren(clonedNode, destNode, trim);	//	number
}

dojo.dom.removeChildren = function(/* Element */node){
	//	summary
	//	removes all children from node and returns the count of children removed.
	var count = node.childNodes.length;
	while(node.hasChildNodes()){ node.removeChild(node.firstChild); }
	return count;	//	number
}

dojo.dom.replaceChildren = function(/* Element */node, /* Node */newChild){
	//	summary
	//	Removes all children of node and appends newChild
	// FIXME: what if newChild is an array-like object?
	dojo.dom.removeChildren(node);
	node.appendChild(newChild);
}

dojo.dom.removeNode = function(/* Node */node){
	//	summary
	//	if node has a parent, removes node from parent and returns a reference to the removed child.
	if(node && node.parentNode){
		// return a ref to the removed child
		return node.parentNode.removeChild(node);	//	Node
	}
}

dojo.dom.getAncestors = function(/* Node */node, /* function? */filterFunction, /* boolean? */returnFirstHit) {
	//	summary
	//	returns all ancestors matching optional filterFunction; will return only the first if returnFirstHit
	var ancestors = [];
	var isFunction = (filterFunction && (filterFunction instanceof Function || typeof filterFunction == "function"));
	while(node) {
		if (!isFunction || filterFunction(node)) {
			ancestors.push(node);
		}
		if (returnFirstHit && ancestors.length > 0) { 
			return ancestors[0]; 	//	Node
		}
		
		node = node.parentNode;
	}
	if (returnFirstHit) { return null; }
	return ancestors;	//	array
}

dojo.dom.getAncestorsByTag = function(/* Node */node, /* string */tag, /* boolean? */returnFirstHit) {
	//	summary
	//	returns all ancestors matching tag (as tagName), will only return first one if returnFirstHit
	tag = tag.toLowerCase();
	return dojo.dom.getAncestors(node, function(el){
		return ((el.tagName)&&(el.tagName.toLowerCase() == tag));
	}, returnFirstHit);	//	Node || array
}

dojo.dom.getFirstAncestorByTag = function(/* Node */node, /* string */tag) {
	//	summary
	//	Returns first ancestor of node with tag tagName
	return dojo.dom.getAncestorsByTag(node, tag, true);	//	Node
}

dojo.dom.isDescendantOf = function(/* Node */node, /* Node */ancestor, /* boolean? */guaranteeDescendant){
	//	summary
	//	Returns boolean if node is a descendant of ancestor
	// guaranteeDescendant allows us to be a "true" isDescendantOf function
	if(guaranteeDescendant && node) { node = node.parentNode; }
	while(node) {
		if(node == ancestor){ 
			return true; 	//	boolean
		}
		node = node.parentNode;
	}
	return false;	//	boolean
}

dojo.dom.innerXML = function(/* Node */node){
	//	summary
	//	Implementation of MS's innerXML function.
	if(node.innerXML){
		return node.innerXML;	//	string
	}else if (node.xml){
		return node.xml;		//	string
	}else if(typeof XMLSerializer != "undefined"){
		return (new XMLSerializer()).serializeToString(node);	//	string
	}
}