88 lines
1.9 KiB
JavaScript
88 lines
1.9 KiB
JavaScript
/*\
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title: $:/macros/buggyj/Calendar/ifnew.js
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type: application/javascript
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module-type: widget
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Linkcatcher widget
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ToDo - add message param to listen for other mssg and action to set other actions (link just create)
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var Widget = require("$:/core/modules/widgets/widget.js").widget;
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var IfNewWidget = function(parseTreeNode,options) {
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this.initialise(parseTreeNode,options);
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this.addEventListeners([
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{type: "tm-navigate", handler: "handleNavigateEvent"}
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]);
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};
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/*
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Inherit from the base widget class
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*/
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IfNewWidget.prototype = new Widget();
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/*
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Render this widget into the DOM
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*/
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IfNewWidget.prototype.render = function(parent,nextSibling) {
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this.parentDomNode = parent;
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this.computeAttributes();
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this.execute();
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this.renderChildren(parent,nextSibling);
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};
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/*
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Compute the internal state of the widget
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*/
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IfNewWidget.prototype.execute = function() {
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// Get our parameters
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this.fields = this.getAttribute("fields");
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this.catchMessage = this.getAttribute("message");
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// Construct the child widgets
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this.makeChildWidgets();
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};
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/*
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Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
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*/
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IfNewWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes.fields || changedAttributes.message ) {
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this.refreshSelf();
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return true;
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} else {
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return this.refreshChildren(changedTiddlers);
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}
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};
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/*
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Handle a tm-navigate event
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*/
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IfNewWidget.prototype.handleNavigateEvent = function(event) {
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var tiddler = this.wiki.getTiddler(event.navigateTo),fds;
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if(tiddler) return true;
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try {
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fds=JSON.parse(this.fields);
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} catch(e) {
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fds={};
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}
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fds.title = event.navigateTo;
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if(this.parentWidget) {
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this.parentWidget.dispatchEvent({
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type: "tm-new-tiddler",
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param: fds
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});
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}
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return false;
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};
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exports.ifnew = IfNewWidget;
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})();
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