text: /*\
  title: $:/core/modules/widgets/text.js
  type: application/javascript
  module-type: widget
  
  Text node widget
  
  \*/
  (function(){
  
  /*jslint node: true, browser: true */
  /*global $tw: false */
  "use strict";
  
  var Widget = require("$:/core/modules/widgets/widget.js").widget;
  
  var TextNodeWidget = function(parseTreeNode,options) {
  	this.initialise(parseTreeNode,options);
  };
  
  /*
  Inherit from the base widget class
  */
  TextNodeWidget.prototype = new Widget();
  
  /*
  Render this widget into the DOM
  */
  TextNodeWidget.prototype.render = function(parent,nextSibling) {
  	this.parentDomNode = parent;
  	this.computeAttributes();
  	this.execute();
  	var text = this.getAttribute("text",this.parseTreeNode.text || "");
  	text = text.replace(/\r/mg,"");
  	var textNode = this.document.createTextNode(text);
  	parent.insertBefore(textNode,nextSibling);
  	this.domNodes.push(textNode);
  };
  
  /*
  Compute the internal state of the widget
  */
  TextNodeWidget.prototype.execute = function() {
  	// Nothing to do for a text node
  };
  
  /*
  Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
  */
  TextNodeWidget.prototype.refresh = function(changedTiddlers) {
  	var changedAttributes = this.computeAttributes();
  	if(changedAttributes.text) {
  		this.refreshSelf();
  		return true;
  	} else {
  		return false;	
  	}
  };
  
  exports.text = TextNodeWidget;
  
  })();
  