framework/js/forum/src/components/composer-body.js

import Component from 'flarum/component';
import LoadingIndicator from 'flarum/components/loading-indicator';
import TextEditor from 'flarum/components/text-editor';
import avatar from 'flarum/helpers/avatar';
import listItems from 'flarum/helpers/list-items';

export default class ComposerBody extends Component {
  constructor(props) {
    super(props);

    this.loading = m.prop(false);
    this.disabled = m.prop(false);
    this.ready = m.prop(false);
    this.content = m.prop(this.props.originalContent);
    this.editor = new TextEditor({
      submitLabel: this.props.submitLabel,
      placeholder: this.props.placeholder,
      disabled: this.loading(),
      onchange: this.content,
      onsubmit: this.onsubmit.bind(this),
      value: this.content()
    });
  }

  view(className) {
    this.editor.props.disabled = this.loading() || !this.ready();

    var headerItems = this.headerItems().toArray();

    return m('div', {className, config: this.onload.bind(this)}, [
      avatar(this.props.user, {className: 'composer-avatar'}),
      m('div.composer-body', [
        headerItems.length ? m('ul.composer-header', listItems(headerItems)) : '',
        m('div.composer-editor', this.editor.view())
      ]),
      LoadingIndicator.component({className: 'composer-loading'+(this.loading() ? ' active' : '')})
    ]);
  }

  onload(element) {
    this.element(element);
  }

  focus() {
    this.ready(true);
    m.redraw(true);

    this.$(':input:enabled:visible:first').focus();
  }

  preventExit() {
    return this.content() && this.content() != this.props.originalContent && this.props.confirmExit;
  }

  onsubmit(value) {
    //
  }
}