discourse/app/assets/javascripts/admin/components/ace-editor.js.es6

70 lines
1.9 KiB
JavaScript

/* global ace:true */
import loadScript from 'discourse/lib/load-script';
import { escapeExpression } from 'discourse/lib/utilities';
export default Ember.Component.extend({
mode: 'css',
classNames: ['ace-wrapper'],
_editor: null,
_skipContentChangeEvent: null,
contentChanged: function() {
if (this._editor && !this._skipContentChangeEvent) {
this._editor.getSession().setValue(this.get('content'));
}
}.observes('content'),
render(buffer) {
buffer.push("<div class='ace'>");
if (this.get('content')) {
buffer.push(escapeExpression(this.get('content')));
}
buffer.push("</div>");
},
_destroyEditor: function() {
if (this._editor) {
this._editor.destroy();
this._editor = null;
}
if (this.appEvents) {
// xxx: don't run during qunit tests
this.appEvents.off('ace:resize', this, this.resize);
}
}.on('willDestroyElement'),
resize() {
if (this._editor) {
this._editor.resize();
}
},
_initEditor: function() {
const self = this;
loadScript("/javascripts/ace/ace.js", { scriptTag: true }).then(function() {
ace.require(['ace/ace'], function(loadedAce) {
const editor = loadedAce.edit(self.$('.ace')[0]);
editor.setTheme("ace/theme/chrome");
editor.setShowPrintMargin(false);
editor.getSession().setMode("ace/mode/" + self.get('mode'));
editor.on('change', function() {
self._skipContentChangeEvent = true;
self.set('content', editor.getSession().getValue());
self._skipContentChangeEvent = false;
});
editor.$blockScrolling = Infinity;
self.$().data('editor', editor);
self._editor = editor;
if (self.appEvents) {
// xxx: don't run during qunit tests
self.appEvents.on('ace:resize', self, self.resize);
}
});
});
}.on('didInsertElement')
});