discourse/app/assets/javascripts/admin/views/ace_editor_view.js

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JavaScript
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/*global ace:true */
/**
A view that wraps the ACE editor (http://ace.ajax.org/)
@class AceEditorView
@extends Discourse.View
@namespace Discourse
@module Discourse
**/
Discourse.AceEditorView = Discourse.View.extend({
mode: 'css',
classNames: ['ace-wrapper'],
contentChanged: (function() {
if (this.editor && !this.skipContentChangeEvent) {
return this.editor.getSession().setValue(this.get('content'));
}
}).observes('content'),
render: function(buffer) {
buffer.push("<div class='ace'>");
if (this.get('content')) {
buffer.push(Handlebars.Utils.escapeExpression(this.get('content')));
}
return buffer.push("</div>");
},
willDestroyElement: function() {
if (this.editor) {
this.editor.destroy();
this.editor = null;
}
},
didInsertElement: function() {
var aceEditorView = this;
var initAce = function() {
aceEditorView.editor = ace.edit(aceEditorView.$('.ace')[0]);
aceEditorView.editor.setTheme("ace/theme/chrome");
aceEditorView.editor.setShowPrintMargin(false);
aceEditorView.editor.getSession().setMode("ace/mode/" + (aceEditorView.get('mode')));
aceEditorView.editor.on("change", function(e) {
aceEditorView.skipContentChangeEvent = true;
aceEditorView.set('content', aceEditorView.editor.getSession().getValue());
aceEditorView.skipContentChangeEvent = false;
});
};
if (window.ace) {
initAce();
} else {
$LAB.script('/javascripts/ace/ace.js').wait(initAce);
}
}
});
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Discourse.View.registerHelper('aceEditor', Discourse.AceEditorView);