bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/actions-bar/actions-dropdown/component.jsx

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl, intlShape } from 'react-intl';

import Button from '/imports/ui/components/button/component';
import Dropdown from '/imports/ui/components/dropdown/component';
import DropdownTrigger from '/imports/ui/components/dropdown/trigger/component';
import DropdownContent from '/imports/ui/components/dropdown/content/component';
import DropdownList from '/imports/ui/components/dropdown/list/component';
import DropdownListItem from '/imports/ui/components/dropdown/list/item/component';

import PresentationUploaderContainer from '/imports/ui/components/presentation/presentation-uploader/container';
import { withModalMounter } from '/imports/ui/components/modal/service';

const propTypes = {
  isUserPresenter: PropTypes.bool.isRequired,
  intl: intlShape.isRequired,
  mountModal: PropTypes.func.isRequired,
};

const intlMessages = defineMessages({
  actionsLabel: {
    id: 'app.actionsBar.actionsDropdown.actionsLabel',
    description: 'Actions button label',
  },
  presentationLabel: {
    id: 'app.actionsBar.actionsDropdown.presentationLabel',
    description: 'Upload a presentation option label',
  },
  presentationDesc: {
    id: 'app.actionsBar.actionsDropdown.presentationDesc',
    description: 'adds context to upload presentation option',
  },
});

class ActionsDropdown extends Component {
  constructor(props) {
    super(props);
    this.handlePresentationClick = this.handlePresentationClick.bind(this);
  }

  componentWillUpdate(nextProps) {
    const { isUserPresenter: isPresenter } = nextProps;
    const { isUserPresenter: wasPresenter, mountModal } = this.props;
    if (wasPresenter && !isPresenter) {
      mountModal(null);
    }
  }

  handlePresentationClick() {
    this.props.mountModal(<PresentationUploaderContainer />);
  }

  render() {
    const { intl, isUserPresenter } = this.props;

    if (!isUserPresenter) return null;

    return (
      <Dropdown ref={(ref) => { this._dropdown = ref; }}>
        <DropdownTrigger tabIndex={0}>
          <Button
            label={intl.formatMessage(intlMessages.actionsLabel)}
            icon="add"
            color="primary"
            size="lg"
            circle
            onClick={() => null}
          />
        </DropdownTrigger>
        <DropdownContent placement="top left">
          <DropdownList>
            <DropdownListItem
              icon="presentation"
              label={intl.formatMessage(intlMessages.presentationLabel)}
              description={intl.formatMessage(intlMessages.presentationDesc)}
              onClick={this.handlePresentationClick}
            />
          </DropdownList>
        </DropdownContent>
      </Dropdown>
    );
  }
}

ActionsDropdown.propTypes = propTypes;

export default withModalMounter(injectIntl(ActionsDropdown));