mirror of
https://github.com/Jermolene/TiddlyWiki5
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6af3eb539b
* Initial widget tutorials extracted from https://btheado.github.io/tw-widget-tutorial/ * Fixes for refresh behavior change
52 lines
1.0 KiB
JavaScript
52 lines
1.0 KiB
JavaScript
/*\
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Hello, World 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/widgets/widget.js").widget;
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var MyWidget = function(parseTreeNode, options) {
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this.initialise(parseTreeNode, options);
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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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MyWidget.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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MyWidget.prototype.render = function(parent, nextSibling) {
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this.parentDomNode = parent;
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this.computeAttributes();
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var message = this.getAttribute("message", "World");
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var textNode = this.document.createTextNode("Hello, " + message + "!");
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parent.insertBefore(textNode, nextSibling);
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this.domNodes.push(textNode);
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};
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/*
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Refresh if the attribute value changed since render
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*/
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MyWidget.prototype.refresh = function(changedTiddlers) {
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// Find which attributes have changed
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var changedAttributes = this.computeAttributes();
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if (changedAttributes.message) {
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this.refreshSelf();
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return true;
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} else {
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return false;
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}
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};
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exports.hello = MyWidget;
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})();
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