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Ghost-Admin/app/components/gh-cm-editor.js
Austin Burdine e834c96061 🎨 make lazyLoader return a promise for loadStyle method
no issue
- cleans up the interface to maintain consistency between loadScript and
loadStyle
- update gh-cm-editor component to await result of loadStyle
2017-03-03 16:54:50 +00:00

78 lines
2.2 KiB
JavaScript

/* global CodeMirror */
import Component from 'ember-component';
import run, {bind, scheduleOnce} from 'ember-runloop';
import injectService from 'ember-service/inject';
import RSVP from 'rsvp';
import boundOneWay from 'ghost-admin/utils/bound-one-way';
import {InvokeActionMixin} from 'ember-invoke-action';
const CmEditorComponent = Component.extend(InvokeActionMixin, {
classNameBindings: ['isFocused:focused'],
_value: boundOneWay('value'), // make sure a value exists
isFocused: false,
// options for the editor
lineNumbers: true,
indentUnit: 4,
mode: 'htmlmixed',
theme: 'xq-light',
_editor: null, // reference to CodeMirror editor
lazyLoader: injectService(),
didInsertElement() {
this._super(...arguments);
let loader = this.get('lazyLoader');
RSVP.all([
loader.loadStyle('codemirror', 'assets/codemirror/codemirror.css'),
loader.loadScript('codemirror', 'assets/codemirror/codemirror.js')
]).then(() => {
scheduleOnce('afterRender', this, function () {
this._initCodeMirror();
});
});
},
_initCodeMirror() {
let options = this.getProperties('lineNumbers', 'indentUnit', 'mode', 'theme');
let editor = new CodeMirror(this.element, options);
editor.getDoc().setValue(this.get('_value'));
// events
editor.on('focus', bind(this, 'set', 'isFocused', true));
editor.on('blur', bind(this, 'set', 'isFocused', false));
editor.on('change', () => {
run(this, function () {
this.invokeAction('update', editor.getDoc().getValue());
});
});
this._editor = editor;
},
willDestroyElement() {
this._super(...arguments);
// Ensure the editor exists before trying to destroy it. This fixes
// an error that occurs if codemirror hasn't finished loading before
// the component is destroyed.
if (this._editor) {
let editor = this._editor.getWrapperElement();
editor.parentNode.removeChild(editor);
this._editor = null;
}
}
});
CmEditorComponent.reopenClass({
positionalParams: ['value']
});
export default CmEditorComponent;