content: import React from 'react';
  import ComposeFormContainer from './containers/compose_form_container';
  import NavigationContainer from './containers/navigation_container';
  import PropTypes from 'prop-types';
  import ImmutablePropTypes from 'react-immutable-proptypes';
  import { connect } from 'react-redux';
  import { mountCompose, unmountCompose } from '../../actions/compose';
  import Link from 'react-router-dom/Link';
  import { injectIntl, defineMessages } from 'react-intl';
  import SearchContainer from './containers/search_container';
  import Motion from 'react-motion/lib/Motion';
  import spring from 'react-motion/lib/spring';
  import SearchResultsContainer from './containers/search_results_container';
  import { changeComposing } from '../../actions/compose';
  
  const messages = defineMessages({
    start: { id: 'getting_started.heading', defaultMessage: 'Getting started' },
    home_timeline: { id: 'tabs_bar.home', defaultMessage: 'Home' },
    notifications: { id: 'tabs_bar.notifications', defaultMessage: 'Notifications' },
    public: { id: 'navigation_bar.public_timeline', defaultMessage: 'Federated timeline' },
    community: { id: 'navigation_bar.community_timeline', defaultMessage: 'Local timeline' },
    preferences: { id: 'navigation_bar.preferences', defaultMessage: 'Preferences' },
    logout: { id: 'navigation_bar.logout', defaultMessage: 'Logout' },
  });
  
  const mapStateToProps = state => ({
    columns: state.getIn(['settings', 'columns']),
    showSearch: state.getIn(['search', 'submitted']) && !state.getIn(['search', 'hidden']),
  });
  
  @connect(mapStateToProps)
  @injectIntl
  export default class Compose extends React.PureComponent {
  
    static propTypes = {
      dispatch: PropTypes.func.isRequired,
      columns: ImmutablePropTypes.list.isRequired,
      multiColumn: PropTypes.bool,
      showSearch: PropTypes.bool,
      intl: PropTypes.object.isRequired,
    };
  
    componentDidMount () {
      this.props.dispatch(mountCompose());
    }
  
    componentWillUnmount () {
      this.props.dispatch(unmountCompose());
    }
  
    onFocus = () => {
      this.props.dispatch(changeComposing(true));
    }
  
    onBlur = () => {
      this.props.dispatch(changeComposing(false));
    }
  
    render () {
      const { multiColumn, showSearch, intl } = this.props;
  
      let header = '';
  
      if (multiColumn) {
        const { columns } = this.props;
        header = (
          <nav className='drawer__header'>
            <Link to='/getting-started' className='drawer__tab' title={intl.formatMessage(messages.start)} aria-label={intl.formatMessage(messages.start)}><i role='img' className='fa fa-fw fa-asterisk' /></Link>
            {!columns.some(column => column.get('id') === 'HOME') && (
              <Link to='/timelines/home' className='drawer__tab' title={intl.formatMessage(messages.home_timeline)} aria-label={intl.formatMessage(messages.home_timeline)}><i role='img' className='fa fa-fw fa-home' /></Link>
            )}
            {!columns.some(column => column.get('id') === 'NOTIFICATIONS') && (
              <Link to='/notifications' className='drawer__tab' title={intl.formatMessage(messages.notifications)} aria-label={intl.formatMessage(messages.notifications)}><i role='img' className='fa fa-fw fa-bell' /></Link>
            )}
            {!columns.some(column => column.get('id') === 'COMMUNITY') && (
              <Link to='/timelines/public/local' className='drawer__tab' title={intl.formatMessage(messages.community)} aria-label={intl.formatMessage(messages.community)}><i role='img' className='fa fa-fw fa-users' /></Link>
            )}
            {!columns.some(column => column.get('id') === 'PUBLIC') && (
              <Link to='/timelines/public' className='drawer__tab' title={intl.formatMessage(messages.public)} aria-label={intl.formatMessage(messages.public)}><i role='img' className='fa fa-fw fa-globe' /></Link>
            )}
            <a href='/settings/preferences' className='drawer__tab' title={intl.formatMessage(messages.preferences)} aria-label={intl.formatMessage(messages.preferences)}><i role='img' className='fa fa-fw fa-cog' /></a>
            <a href='/auth/sign_out' className='drawer__tab' data-method='delete' title={intl.formatMessage(messages.logout)} aria-label={intl.formatMessage(messages.logout)}><i role='img' className='fa fa-fw fa-sign-out' /></a>
          </nav>
        );
      }
  
      return (
        <div className='drawer'>
          {header}
  
          <SearchContainer />
  
          <div className='drawer__pager'>
            <div className='drawer__inner' onFocus={this.onFocus}>
              <NavigationContainer onClose={this.onBlur} />
              <ComposeFormContainer />
            </div>
  
            <Motion defaultStyle={{ x: -100 }} style={{ x: spring(showSearch ? 0 : -100, { stiffness: 210, damping: 20 }) }}>
              {({ x }) =>
                <div className='drawer__inner darker' style={{ transform: `translateX(${x}%)`, visibility: x === -100 ? 'hidden' : 'visible' }}>
                  <SearchResultsContainer />
                </div>
              }
            </Motion>
          </div>
        </div>
      );
    }
  
  }
  