open-consul/ui/packages/consul-ui/app/components/code-editor/index.js

90 lines
2.4 KiB
JavaScript

import Component from '@ember/component';
import { set } from '@ember/object';
import { inject as service } from '@ember/service';
const DEFAULTS = {
tabSize: 2,
lineNumbers: true,
theme: 'hashi',
showCursorWhenSelecting: true,
gutters: ['CodeMirror-lint-markers'],
lint: true,
};
export default Component.extend({
settings: service('settings'),
dom: service('dom'),
helper: service('code-mirror/linter'),
classNames: ['code-editor'],
readonly: false,
syntax: '',
// TODO: Change this to oninput to be consistent? We'll have to do it throughout the templates
onkeyup: function() {},
oninput: function() {},
init: function() {
this._super(...arguments);
set(this, 'modes', this.helper.modes());
},
didReceiveAttrs: function() {
this._super(...arguments);
const editor = this.editor;
if (editor) {
editor.setOption('readOnly', this.readonly);
}
},
setMode: function(mode) {
set(this, 'options', {
...DEFAULTS,
mode: mode.mime,
readOnly: this.readonly,
});
const editor = this.editor;
editor.setOption('mode', mode.mime);
this.helper.lint(editor, mode.mode);
set(this, 'mode', mode);
},
willDestroyElement: function() {
this._super(...arguments);
if (this.observer) {
this.observer.disconnect();
}
},
didInsertElement: function() {
this._super(...arguments);
const $code = this.dom.element('textarea ~ pre code', this.element);
if ($code.firstChild) {
this.observer = new MutationObserver(([e]) => {
this.oninput(set(this, 'value', e.target.wholeText));
});
this.observer.observe($code, {
attributes: false,
subtree: true,
childList: false,
characterData: true,
});
set(this, 'value', $code.firstChild.wholeText);
}
set(this, 'editor', this.helper.getEditor(this.element));
this.settings.findBySlug('code-editor').then(mode => {
const modes = this.modes;
const syntax = this.syntax;
if (syntax) {
mode = modes.find(function(item) {
return item.name.toLowerCase() == syntax.toLowerCase();
});
}
mode = !mode ? modes[0] : mode;
this.setMode(mode);
});
},
didAppear: function() {
this.editor.refresh();
},
actions: {
change: function(value) {
this.settings.persist({
'code-editor': value,
});
this.setMode(value);
},
},
});