GZ/nwyj/WebContent/admin/scripts/dojo/dojox/dtl/render/html.js

if (!dojo._hasResource["dojox.dtl.render.html"]) { // _hasResource checks added
													// by build. Do not use
													// _hasResource directly in
													// your code.
	dojo._hasResource["dojox.dtl.render.html"] = true;
	dojo.provide("dojox.dtl.render.html");

	dojox.dtl.render.html.sensitivity = {
		// summary:
		// Set conditions under which to buffer changes
		// description:
		// Necessary if you make a lot of changes to your template.
		// What happens is that the entire node, from the attached DOM Node
		// down gets swapped with a clone, and until the entire rendering
		// is complete, we don't replace the clone again. In this way, renders
		// are
		// "batched".
		//
		// But, if we're only changing a small number of nodes, we might no want
		// to buffer at all.
		// The higher numbers mean that even small changes will result in
		// buffering.
		// Each higher level includes the lower levels.
		NODE : 1, // If a node changes, implement buffering
		ATTRIBUTE : 2, // If an attribute or node changes, implement buffering
		TEXT : 3
		// If any text at all changes, implement buffering
	}
	dojox.dtl.render.html.Render = function(/* DOMNode? */attachPoint, /* dojox.dtl.HtmlTemplate? */
			tpl) {
		this._tpl = tpl;
		this._node = attachPoint;
		this._swap = dojo.hitch(this, function() {
					// summary: Swaps the node out the first time the DOM is
					// changed
					// description: Gets swapped back it at end of render
					if (this._node === this._tpl.getRootNode()) {
						var frag = this._node;
						this._node = this._node.cloneNode(true);
						frag.parentNode.replaceChild(this._node, frag);
					}
				});
	}
	dojo.extend(dojox.dtl.render.html.Render, {
		sensitivity : dojox.dtl.render.html.sensitivity,
		setAttachPoint : function(/* Node */node) {
			this._node = node;
		},
		render : function(/* dojox.dtl.HtmlTemplate */tpl, /* Object */context, /* dojox.dtl.HtmlBuffer? */
				buffer) {
			if (!this._node) {
				throw new Error("You cannot use the Render object without specifying where you want to render it");
			}

			buffer = buffer || tpl.getBuffer();

			if (context.getThis()
					&& context.getThis().buffer == this.sensitivity.NODE) {
				var onAddNode = dojo
						.connect(buffer, "onAddNode", this, "_swap");
				var onRemoveNode = dojo.connect(buffer, "onRemoveNode", this,
						"_swap");
			}

			if (this._tpl && this._tpl !== tpl) {
				this._tpl.unrender(context, buffer);
			}
			this._tpl = tpl;

			var frag = tpl.render(context, buffer).getParent();

			dojo.disconnect(onAddNode);
			dojo.disconnect(onRemoveNode);

			if (this._node !== frag) {
				this._node.parentNode.replaceChild(frag, this._node);
				dojo._destroyElement(this._node);
				this._node = frag;
			}
		}
	});

}