xoption.js

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function initializeXslt() {
	var root = document.all.xoption.documentElement;
	var main = root.firstChild;
	changeOption(main);
}

//根据结点,更改该结点对应的select
//参数中的def优先级将高于xslt中的default
function changeOption(node,def) {
	if(!node)
		return;
	var select = node.getAttribute("select");
	var defaultValue = node.getAttribute("def");
	if(def=="" || def==null || def==undefined)
		def = defaultValue;

	var f = document.getElementById(select);
	f.length = 0;
	f.onchange = function() {
		var op = f.options[f.selectedIndex];
		var target = op.getAttribute("target");
		if(target!=null && target!="") {
			var array = target.split(",");
			for(var k=0;k<array.length;k++) {
				var s = array[k];
				if(s.indexOf("|")!=-1) {
					var a = s.substring(0,s.indexOf("|"));
					var b = s.substring(s.indexOf("|")+1);
					changeSelect(a,b);
				}else
					changeSelect(s);
			}
		}
	};
	if(node.hasChildNodes()) {
		for(var i=0;i<node.childNodes.length;i++) {
			var temp = node.childNodes[i];

			var value = temp.getAttribute("value");
			var text = temp.getAttribute("text");
			var target = temp.getAttribute("target");

			var op = document.createElement("option");
			op.setAttribute("value",value);
			op.setAttribute("target",target);
			op.appendChild(document.createTextNode(text));
			
			var selected = false;
			if(def!=null && def==value)
				selected = true;
			else
				selected = false;

			if(selected) {
				op.selected = true;
				if(target!=null && target!="") {
					var array = target.split(",");
					for(var k=0;k<array.length;k++) {
						var s = array[k];
						if(s.indexOf("|")!=-1) {
							var a = s.substring(0,s.indexOf("|"));
							var b = s.substring(s.indexOf("|")+1);
							changeSelect(a,b);
						}else
							changeSelect(s);
					}
				}
			}
			
			f.appendChild(op);
		}
	
	}
}

//控制被关联的select变化
function changeSelect(xsltId,def) {
	var root = document.all.xoption.documentElement;
	if(root.hasChildNodes()) {
		for(var i=0;i<root.childNodes.length;i++) {
			var temp = root.childNodes[i];
			var id = temp.getAttribute("id");
			if(id == xsltId) {
				changeOption(temp,def);
				break;
			}
		}
	}
}