mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-11-29 16:44:51 +00:00
132 lines
3.8 KiB
JavaScript
132 lines
3.8 KiB
JavaScript
/*!
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* VisualEditor ContentEditable MWSyntaxHighlightNode class.
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*
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* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* ContentEditable MediaWiki syntaxhighlight node.
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*
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* @class
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* @extends ve.ce.LeafNode
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* @mixins ve.ce.FocusableNode
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* @mixins ve.ce.ProtectedNode
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* @mixins ve.ce.GeneratedContentNode
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*
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* @constructor
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* @param {ve.dm.MWSyntaxHighlightNode} model Model to observe
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* @param {Object} [config] Config options
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*/
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ve.ce.MWSyntaxHighlightNode = function VeCeMWSyntaxHighlightNode( model, config ) {
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// Parent constructor
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ve.ce.LeafNode.call( this, model, config );
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// Mixin constructors
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ve.ce.FocusableNode.call( this );
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ve.ce.ProtectedNode.call( this );
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ve.ce.GeneratedContentNode.call( this );
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// DOM Changes
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this.$element.addClass( 've-ce-MWSyntaxHighlightNode mwSyntaxHighlight' );
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// Helpers
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this.highlighter = null;
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this.tokenizer = null;
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// Events
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this.model.connect( this, { 'update': 'update' } );
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// Initialization
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this.update();
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};
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/* Inheritance */
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OO.inheritClass( ve.ce.MWSyntaxHighlightNode, ve.ce.LeafNode );
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OO.mixinClass( ve.ce.MWSyntaxHighlightNode, ve.ce.FocusableNode );
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OO.mixinClass( ve.ce.MWSyntaxHighlightNode, ve.ce.ProtectedNode );
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OO.mixinClass( ve.ce.MWSyntaxHighlightNode, ve.ce.GeneratedContentNode );
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/* Static Properties */
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ve.ce.MWSyntaxHighlightNode.static.name = 'mwSyntaxHighlight';
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ve.ce.MWSyntaxHighlightNode.static.tagName = 'div';
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ve.ce.MWSyntaxHighlightNode.static.renderHtmlAttributes = true;
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/* Methods */
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/**
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* Called when the node starts generating new content.
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* @method
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*/
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ve.ce.MWSyntaxHighlightNode.prototype.startGenerating = function () {
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var lang = this.model.getAttribute( 'lang' );
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// Properties
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this.$wrapper = this.$( '<div>' );
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this.$code = this.$( '<pre>' );
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// Initialization
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this.$wrapper
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.addClass( lang + ' source-' + lang )
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.append( this.$code );
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// TODO perhaps replace with a prettier loading bar
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this.$code.text( '[ Generating code preview... ]' );
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this.highlighter = new ve.ce.MWSyntaxHighlightHighlighter( lang );
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this.tokenizer = new ve.dm.MWSyntaxHighlightTokenizer();
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};
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/**
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* Start a deferred process to generate the contents of the node.
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* @returns {jQuery.Promise} Promise object
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*/
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ve.ce.MWSyntaxHighlightNode.prototype.generateContents = function () {
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var data = this.model.getAttribute( 'body' ),
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tokens = this.tokenizer.tokenize(data);
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if ( this.highlighter.isSupportedLanguage() ){
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if ( this.highlighter.isEnabledLanguage() ){
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this.highlighter.initialize();
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tokens = this.highlighter.mark(tokens, data, false);
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this.$code.html(this.highlighter.displaySimple(tokens));
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} else {
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this.$code.html(this.highlighter.displaySimple(tokens));
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this.$code.append( '>>>Support for this language is not enabled. Preview in plaintext.' );
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}
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} else {
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this.$code.html(this.highlighter.displaySimple(tokens));
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this.$code.append( '>>>This language is not supported. Preview in plaintext.' );
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}
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return this.$wrapper.promise();
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};
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/**
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* Called when the has failed to generate new content.
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* @method
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*/
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ve.ce.MWSyntaxHighlightNode.prototype.failGenerating = function () {
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// TODO perhaps replace with a prettier sad face
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this.$code.text( '[ Unable to generate code preview for this piece. ]' );
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this.generatingPromise = null;
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};
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/**
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* Called when the node successfully finishes generating new content.
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*
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* @method
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* @param {jQuery} domElements jQuery object Generated content
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*/
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ve.ce.MWSyntaxHighlightNode.prototype.doneGenerating = function ( domElements ) {
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var store = this.model.doc.getStore(),
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hash = OO.getHash( this.model );
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store.index( domElements.toArray() , hash );
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this.render( domElements.toArray() );
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this.generatingPromise = null;
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};
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/* Registration */
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ve.ce.nodeFactory.register( ve.ce.MWSyntaxHighlightNode ); |