74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/action-deletetiddler.js
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type: application/javascript
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module-type: widget
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Action widget to delete a tiddler.
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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 DeleteTiddlerWidget = 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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DeleteTiddlerWidget.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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DeleteTiddlerWidget.prototype.render = function(parent,nextSibling) {
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this.computeAttributes();
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this.execute();
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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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DeleteTiddlerWidget.prototype.execute = function() {
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this.actionFilter = this.getAttribute("$filter");
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this.actionTiddler = this.getAttribute("$tiddler");
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};
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/*
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Refresh the widget by ensuring our attributes are up to date
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*/
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DeleteTiddlerWidget.prototype.refresh = function(changedTiddlers) {
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var changedAttributes = this.computeAttributes();
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if(changedAttributes["$filter"] || changedAttributes["$tiddler"]) {
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this.refreshSelf();
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return true;
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}
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return this.refreshChildren(changedTiddlers);
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};
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/*
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Invoke the action associated with this widget
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*/
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DeleteTiddlerWidget.prototype.invokeAction = function(triggeringWidget,event) {
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var tiddlers = [];
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if(this.actionFilter) {
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tiddlers = this.wiki.filterTiddlers(this.actionFilter,this);
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}
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if(this.actionTiddler) {
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tiddlers.push(this.actionTiddler);
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}
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for(var t=0; t<tiddlers.length; t++) {
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this.wiki.deleteTiddler(tiddlers[t]);
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}
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return true; // Action was invoked
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};
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exports["action-deletetiddler"] = DeleteTiddlerWidget;
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})();
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