mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-29 11:30:28 +00:00
67 lines
1.5 KiB
JavaScript
67 lines
1.5 KiB
JavaScript
/*\
|
|
title: $:/core/modules/widgets/codeblock.js
|
|
type: application/javascript
|
|
module-type: widget
|
|
|
|
Code block node widget
|
|
|
|
\*/
|
|
(function(){
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
var Widget = require("$:/core/modules/widgets/widget.js").widget;
|
|
|
|
var CodeBlockWidget = function(parseTreeNode,options) {
|
|
this.initialise(parseTreeNode,options);
|
|
};
|
|
|
|
/*
|
|
Inherit from the base widget class
|
|
*/
|
|
CodeBlockWidget.prototype = new Widget();
|
|
|
|
/*
|
|
Render this widget into the DOM
|
|
*/
|
|
CodeBlockWidget.prototype.render = function(parent,nextSibling) {
|
|
this.parentDomNode = parent;
|
|
this.computeAttributes();
|
|
this.execute();
|
|
var codeNode = this.document.createElement("code"),
|
|
domNode = this.document.createElement("pre");
|
|
codeNode.appendChild(this.document.createTextNode(this.getAttribute("code")));
|
|
domNode.appendChild(codeNode);
|
|
parent.insertBefore(domNode,nextSibling);
|
|
this.domNodes.push(domNode);
|
|
if(this.postRender) {
|
|
this.postRender();
|
|
}
|
|
};
|
|
|
|
/*
|
|
Compute the internal state of the widget
|
|
*/
|
|
CodeBlockWidget.prototype.execute = function() {
|
|
this.language = this.getAttribute("language");
|
|
};
|
|
|
|
/*
|
|
Selectively refreshes the widget if needed. Returns true if the widget or any of its children needed re-rendering
|
|
*/
|
|
CodeBlockWidget.prototype.refresh = function(changedTiddlers) {
|
|
var changedAttributes = this.computeAttributes();
|
|
if(changedAttributes.code || changedAttributes.language) {
|
|
this.refreshSelf();
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
exports.codeblock = CodeBlockWidget;
|
|
|
|
})();
|