Example action-widget for TW5

action-alert.js

/*\
title: $:/core/modules/widgets/action-alert.js
type: application/javascript
module-type: widget
Action widget to log debug messages
\*/
(function(){

/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";

var Widget = require("$:/core/modules/widgets/widget.js").widget;

var AlertWidget = function(parseTreeNode,options) {
	this.initialise(parseTreeNode,options);
};

/*
Inherit from the base widget class
*/
AlertWidget.prototype = new Widget();

/*
Render this widget into the DOM
*/
AlertWidget.prototype.render = function(parent,nextSibling) {
	this.computeAttributes();
	this.execute();
};

AlertWidget.prototype.execute = function(){
	this.message = this.getAttribute("message","");
}

/*
Refresh the widget by ensuring our attributes are up to date
*/
AlertWidget.prototype.refresh = function(changedTiddlers) {
	this.refreshSelf();
	return true;
};

/*
Invoke the action associated with this widget
*/
AlertWidget.prototype.invokeAction = function(triggeringWidget,event) {
	alert(this.message);
	return true; // Action was invoked
};


exports["action-alert"] = AlertWidget;

})();