76 lines
1.7 KiB
JavaScript
Executable File
76 lines
1.7 KiB
JavaScript
Executable File
/*\
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title: $:/core/modules/new_widgets/tiddler.js
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type: application/javascript
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module-type: new_widget
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Tiddler widget
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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/new_widgets/widget.js").widget;
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var TiddlerWidget = function(parseTreeNode,options) {
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this.initialise(parseTreeNode,options);
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this.addEventListeners([
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{type: "tw-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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TiddlerWidget.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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TiddlerWidget.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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TiddlerWidget.prototype.execute = function() {
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// Get our parameters
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this.tiddlerTitle = this.getAttribute("title","");
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// Set context variable
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this.setVariable("tiddlerTitle",this.tiddlerTitle);
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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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TiddlerWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes.name || changedAttributes.value) {
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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 tw-navigate event
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*/
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TiddlerWidget.prototype.handleNavigateEvent = function(event) {
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console.log("Setting navigateFromTitle to",this.tiddlerTitle)
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event.navigateFromTitle = this.tiddlerTitle;
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return true;
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};
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exports.tiddler = TiddlerWidget;
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})();
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