react-bootstrap/lib/CarouselItem.js

Bootstrap 3 components build with React

'use strict';

var _extends = require('babel-runtime/helpers/extends')['default'];

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

exports.__esModule = true;

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _utilsTransitionEvents = require('./utils/TransitionEvents');

var _utilsTransitionEvents2 = _interopRequireDefault(_utilsTransitionEvents);

var CarouselItem = _react2['default'].createClass({
  displayName: 'CarouselItem',

  propTypes: {
    direction: _react2['default'].PropTypes.oneOf(['prev', 'next']),
    onAnimateOutEnd: _react2['default'].PropTypes.func,
    active: _react2['default'].PropTypes.bool,
    animateIn: _react2['default'].PropTypes.bool,
    animateOut: _react2['default'].PropTypes.bool,
    caption: _react2['default'].PropTypes.node,
    index: _react2['default'].PropTypes.number
  },

  getInitialState: function getInitialState() {
    return {
      direction: null
    };
  },

  getDefaultProps: function getDefaultProps() {
    return {
      animation: true
    };
  },

  handleAnimateOutEnd: function handleAnimateOutEnd() {
    if (this.props.onAnimateOutEnd && this.isMounted()) {
      this.props.onAnimateOutEnd(this.props.index);
    }
  },

  componentWillReceiveProps: function componentWillReceiveProps(nextProps) {
    if (this.props.active !== nextProps.active) {
      this.setState({
        direction: null
      });
    }
  },

  componentDidUpdate: function componentDidUpdate(prevProps) {
    if (!this.props.active && prevProps.active) {
      _utilsTransitionEvents2['default'].addEndEventListener(_react2['default'].findDOMNode(this), this.handleAnimateOutEnd);
    }

    if (this.props.active !== prevProps.active) {
      setTimeout(this.startAnimation, 20);
    }
  },

  startAnimation: function startAnimation() {
    if (!this.isMounted()) {
      return;
    }

    this.setState({
      direction: this.props.direction === 'prev' ? 'right' : 'left'
    });
  },

  render: function render() {
    var classes = {
      item: true,
      active: this.props.active && !this.props.animateIn || this.props.animateOut,
      next: this.props.active && this.props.animateIn && this.props.direction === 'next',
      prev: this.props.active && this.props.animateIn && this.props.direction === 'prev'
    };

    if (this.state.direction && (this.props.animateIn || this.props.animateOut)) {
      classes[this.state.direction] = true;
    }

    return _react2['default'].createElement(
      'div',
      _extends({}, this.props, { className: _classnames2['default'](this.props.className, classes) }),
      this.props.children,
      this.props.caption ? this.renderCaption() : null
    );
  },

  renderCaption: function renderCaption() {
    return _react2['default'].createElement(
      'div',
      { className: "carousel-caption" },
      this.props.caption
    );
  }
});

exports['default'] = CarouselItem;
module.exports = exports['default'];