mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-09 19:39:57 +00:00
84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
/*\
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title: $:/core/modules/widgets/edit/edit.js
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type: application/javascript
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module-type: widget
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The edit widget uses editor plugins to edit tiddlers of different types.
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var EditWidget = function(renderer) {
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// Save state
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this.renderer = renderer;
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// Initialise the editors if they've not been done already
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if(!this.editors) {
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EditWidget.prototype.editors = {};
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$tw.modules.applyMethods("editor",this.editors);
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}
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// Generate child nodes
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this.generate();
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};
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EditWidget.prototype.generate = function() {
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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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this.fieldName = this.renderer.getAttribute("field","text");
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// Choose the editor to use
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// TODO: Tiddler field modules should be able to specify a field type from which the editor is derived
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this.editorName = this.chooseEditor();
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var Editor = this.editors[this.editorName];
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// Instantiate the editor
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this.editor = new Editor(this,this.tiddlerTitle,this.fieldName);
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// Ask the editor to create the widget element
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this.editor.render();
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};
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/*
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Return the name of the editor that should handle this tiddler field
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*/
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EditWidget.prototype.chooseEditor = function() {
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var tiddler = this.renderer.renderTree.wiki.getTiddler(this.tiddlerTitle);
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if(this.fieldName === "text" && tiddler && tiddler.fields.type && this.editors[tiddler.fields.type]) {
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return tiddler.fields.type;
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}
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return "text/vnd.tiddlywiki";
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};
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EditWidget.prototype.postRenderInDom = function() {
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if(this.editor && this.editor.postRenderInDom) {
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this.editor.postRenderInDom();
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}
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};
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EditWidget.prototype.refreshInDom = function(changedAttributes,changedTiddlers) {
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// We'll completely regenerate ourselves if any of our attributes have changed
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if(changedAttributes.tiddler || changedAttributes.field || changedAttributes.format || this.chooseEditor() !== this.editorName) {
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// Regenerate and rerender the widget and replace the existing DOM node
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this.generate();
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var oldDomNode = this.renderer.domNode,
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newDomNode = this.renderer.renderInDom();
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oldDomNode.parentNode.replaceChild(newDomNode,oldDomNode);
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} else if(this.tiddlerTitle && changedTiddlers[this.tiddlerTitle]) {
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// Refresh the editor if our tiddler has changed
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if(this.editor && this.editor.refreshInDom) {
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this.editor.refreshInDom(changedTiddlers);
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}
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} else {
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// Otherwise, just refresh any child nodes
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$tw.utils.each(this.children,function(node) {
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if(node.refreshInDom) {
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node.refreshInDom(changedTiddlers);
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}
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});
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}
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};
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exports.edit = EditWidget;
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})();
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