Move the widgets back to the right folder

core/modules/widgets/element.js

@@ -0,0 +1,85 @@
+/*\
+title: $:/core/modules/new_widgets/element.js
+type: application/javascript
+module-type: new_widget
+
+Element widget
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+var Widget = require("$:/core/modules/new_widgets/widget.js").widget;
+
+var ElementWidget = function(parseTreeNode,options) {
+	this.initialise(parseTreeNode,options);
+};
+
+/*
+Inherit from the base widget class
+*/
+ElementWidget.prototype = new Widget();
+
+/*
+Render this widget into the DOM
+*/
+ElementWidget.prototype.render = function(parent,nextSibling) {
+	this.parentDomNode = parent;
+	this.computeAttributes();
+	this.execute();
+	var domNode = this.document.createElementNS(this.namespace,this.parseTreeNode.tag);
+	this.assignAttributes(domNode);
+	parent.insertBefore(domNode,nextSibling);
+	this.renderChildren(domNode,null);
+	this.domNodes.push(domNode);
+};
+
+/*
+Compute the internal state of the widget
+*/
+ElementWidget.prototype.execute = function() {
+	// Select the namespace for the tag
+	var tagNamespaces = {
+			svg: "http://www.w3.org/2000/svg",
+			math: "http://www.w3.org/1998/Math/MathML",
+			body: "http://www.w3.org/1999/xhtml"
+		};
+	this.namespace = tagNamespaces[this.parseTreeNode.tag];
+	if(this.namespace) {
+		this.setVariable("namespace",this.namespace);
+	} else {
+		this.namespace = this.getVariable("namespace",{defaultValue: "http://www.w3.org/1999/xhtml"});
+	}
+	// Make the child widgets
+	this.makeChildWidgets();
+};
+
+/*
+Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
+*/
+ElementWidget.prototype.refresh = function(changedTiddlers) {
+	var changedAttributes = this.computeAttributes(),
+		hasChangedAttributes = $tw.utils.count(changedAttributes) > 0;
+	if(hasChangedAttributes) {
+		// Update our attributes
+		this.assignAttributes(this.domNodes[0]);
+	}
+	return this.refreshChildren(changedTiddlers) || hasChangedAttributes;
+};
+
+/*
+Remove any DOM nodes created by this widget or its children
+*/
+ElementWidget.prototype.removeChildDomNodes = function() {
+	$tw.utils.each(this.domNodes,function(domNode) {
+		domNode.parentNode.removeChild(domNode);
+	});
+	this.domNodes = [];
+};
+
+exports.element = ElementWidget;
+
+})();