mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-20 00:34:50 +00:00
61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
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/*\
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title: $:/core/modules/widgets/fieldmangler.js
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type: application/javascript
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module-type: widget
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The fieldmangler widget modifies the fields of the current tiddler in response to messages.
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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 FieldManglerWidget = function(renderer) {
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// Save state
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this.renderer = renderer;
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// Generate child nodes
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this.generate();
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};
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FieldManglerWidget.prototype.generate = function() {
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var self = this;
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// Get parameters from our attributes
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this.tiddlerTitle = this.renderer.getAttribute("tiddler",this.renderer.tiddlerTitle);
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// Set the element
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this.tag = "div";
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this.attributes = {
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"class": "tw-fieldmangler"
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};
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// Set event handlers
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this.events = [
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{name: "tw-remove-field", handlerObject: this, handlerMethod: "handleRemoveFieldEvent"},
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{name: "tw-add-field", handlerObject: this, handlerMethod: "handleAddFieldEvent"}
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];
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// Render the children
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this.children = this.renderer.renderTree.createRenderers(this.renderer,this.renderer.parseTreeNode.children);
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};
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FieldManglerWidget.prototype.handleRemoveFieldEvent = function(event) {
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var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle),
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deletion = {};
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deletion[event.currentField] = undefined;
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this.renderer.renderTree.wiki.addTiddler(new $tw.Tiddler(tiddler,deletion));
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return true;
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};
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FieldManglerWidget.prototype.handleAddFieldEvent = function(event) {
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var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle);
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if(typeof event.param === "string" && event.param !== "" && !$tw.utils.hop(tiddler.fields,event.param)) {
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var addition = {};
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addition[event.param] = "";
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this.renderer.renderTree.wiki.addTiddler(new $tw.Tiddler(tiddler,addition));
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}
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return true;
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};
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exports.fieldmangler = FieldManglerWidget;
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})();
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