flymis/WebRoot/dojojs/src/html/style.js

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/*
	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.html.style");
dojo.require("dojo.uri.Uri");

dojo.html.getClass = function(/* HTMLElement */node){
	//	summary
	//	Returns the string value of the list of CSS classes currently assigned directly 
	//	to the node in question. Returns an empty string if no class attribute is found;
	node = dojo.byId(node);
	if(!node){ return ""; }
	var cs = "";
	if(node.className){
		cs = node.className;
	}else if(dojo.html.hasAttribute(node, "class")){
		cs = dojo.html.getAttribute(node, "class");
	}
	return cs.replace(/^\s+|\s+$/g, "");	//	string
}

dojo.html.getClasses = function(/* HTMLElement */node) {
	//	summary
	//	Returns an array of CSS classes currently assigned directly to the node in question. 
	//	Returns an empty array if no classes are found;
	var c = dojo.html.getClass(node);
	return (c == "") ? [] : c.split(/\s+/g);	//	array
}

dojo.html.hasClass = function(/* HTMLElement */node, /* string */classname){
	//	summary
	//	Returns whether or not the specified classname is a portion of the
	//	class list currently applied to the node. Does not cover cascaded
	//	styles, only classes directly applied to the node.
	return (new RegExp('(^|\\s+)'+classname+'(\\s+|$)')).test(dojo.html.getClass(node))	//	boolean
}

dojo.html.prependClass = function(/* HTMLElement */node, /* string */classStr){
	//	summary
	//	Adds the specified class to the beginning of the class list on the
	//	passed node. This gives the specified class the highest precidence
	//	when style cascading is calculated for the node. Returns true or
	//	false; indicating success or failure of the operation, respectively.
	classStr += " " + dojo.html.getClass(node);
	return dojo.html.setClass(node, classStr);	//	boolean
}

dojo.html.addClass = function(/* HTMLElement */node, /* string */classStr){
	//	summary
	//	Adds the specified class to the end of the class list on the
	//	passed &node;. Returns &true; or &false; indicating success or failure.
	if (dojo.html.hasClass(node, classStr)) {
	  return false;