framework/js/old/admin/components/BasicsPage.js

import Page from './Page';
import FieldSet from '../../common/components/FieldSet';
import Select from '../../common/components/Select';
import Button from '../../common/components/Button';
import Alert from '../../common/components/Alert';
import saveSettings from '../utils/saveSettings';
import ItemList from '../../common/utils/ItemList';
import Switch from '../../common/components/Switch';

export default class BasicsPage extends Page {
  init() {
    super.init();

    this.loading = false;

    this.fields = [
      'forum_title',
      'forum_description',
      'default_locale',
      'show_language_selector',
      'default_route',
      'welcome_title',
      'welcome_message',
    ];
    this.values = {};

    const settings = app.data.settings;
    this.fields.forEach((key) => (this.values[key] = m.prop(settings[key])));

    this.localeOptions = {};
    const locales = app.data.locales;
    for (const i in locales) {
      this.localeOptions[i] = `${locales[i]} (${i})`;
    }

    if (typeof this.values.show_language_selector() !== 'number') this.values.show_language_selector(1);
  }

  view() {
    return (
      <div className="BasicsPage">
        <div className="container">
          <form onsubmit={this.onsubmit.bind(this)}>
            {FieldSet.component({
              label: app.translator.trans('core.admin.basics.forum_title_heading'),
              children: [<input className="FormControl" value={this.values.forum_title()} oninput={m.withAttr('value', this.values.forum_title)} />],
            })}

            {FieldSet.component({
              label: app.translator.trans('core.admin.basics.forum_description_heading'),
              children: [
                <div className="helpText">{app.translator.trans('core.admin.basics.forum_description_text')}</div>,
                <textarea
                  className="FormControl"
                  value={this.values.forum_description()}
                  oninput={m.withAttr('value', this.values.forum_description)}
                />,
              ],
            })}

            {Object.keys(this.localeOptions).length > 1
              ? FieldSet.component({
                  label: app.translator.trans('core.admin.basics.default_language_heading'),
                  children: [
                    Select.component({
                      options: this.localeOptions,
                      value: this.values.default_locale(),
                      onchange: this.values.default_locale,
                    }),
                    Switch.component({
                      state: this.values.show_language_selector(),
                      onchange: this.values.show_language_selector,
                      children: app.translator.trans('core.admin.basics.show_language_selector_label'),
                    }),
                  ],
                })
              : ''}

            {FieldSet.component({
              label: app.translator.trans('core.admin.basics.home_page_heading'),
              className: 'BasicsPage-homePage',
              children: [
                <div className="helpText">{app.translator.trans('core.admin.basics.home_page_text')}</div>,
                this.homePageItems()
                  .toArray()
                  .map(({ path, label }) => (
                    <label className="checkbox">
                      <input
                        type="radio"
                        name="homePage"
                        value={path}
                        checked={this.values.default_route() === path}
                        onclick={m.withAttr('value', this.values.default_route)}
                      />
                      {label}
                    </label>
                  )),
              ],
            })}

            {FieldSet.component({
              label: app.translator.trans('core.admin.basics.welcome_banner_heading'),
              className: 'BasicsPage-welcomeBanner',
              children: [
                <div className="helpText">{app.translator.trans('core.admin.basics.welcome_banner_text')}</div>,
                <div className="BasicsPage-welcomeBanner-input">
                  <input className="FormControl" value={this.values.welcome_title()} oninput={m.withAttr('value', this.values.welcome_title)} />
                  <textarea
                    className="FormControl"
                    value={this.values.welcome_message()}
                    oninput={m.withAttr('value', this.values.welcome_message)}
                  />
                </div>,
              ],
            })}

            {Button.component({
              type: 'submit',
              className: 'Button Button--primary',
              children: app.translator.trans('core.admin.basics.submit_button'),
              loading: this.loading,
              disabled: !this.changed(),
            })}
          </form>
        </div>
      </div>
    );
  }

  changed() {
    return this.fields.some((key) => this.values[key]() !== app.data.settings[key]);
  }

  /**
   * Build a list of options for the default homepage. Each option must be an
   * object with `path` and `label` properties.
   *
   * @return {ItemList}
   * @public
   */
  homePageItems() {
    const items = new ItemList();

    items.add('allDiscussions', {
      path: '/all',
      label: app.translator.trans('core.admin.basics.all_discussions_label'),
    });

    return items;
  }

  onsubmit(e) {
    e.preventDefault();

    if (this.loading) return;

    this.loading = true;
    app.alerts.dismiss(this.successAlert);

    const settings = {};

    this.fields.forEach((key) => (settings[key] = this.values[key]()));

    saveSettings(settings)
      .then(() => {
        app.alerts.show((this.successAlert = new Alert({ type: 'success', children: app.translator.trans('core.admin.basics.saved_message') })));
      })
      .catch(() => {})
      .then(() => {
        this.loading = false;
        m.redraw();
      });
  }
}