react-stack-grid/lib/components/GridItem.js

Pinterest like layout components for React.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _shallowequal = require('shallowequal');

var _shallowequal2 = _interopRequireDefault(_shallowequal);

var _styleHelper = require('../utils/style-helper');

var _requestAnimationFrame = require('../animations/request-animation-frame');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var getTransitionStyles = function getTransitionStyles(type, props) {
  var rect = props.rect,
      containerSize = props.containerSize,
      index = props.index;


  return props[type](rect, containerSize, index);
};

var getPositionStyles = function getPositionStyles(rect, zIndex, rtl) {
  return {
    translateX: (rtl ? -Math.round(rect.left) : Math.round(rect.left)) + 'px',
    translateY: Math.round(rect.top) + 'px',
    zIndex: zIndex
  };
};

var GridItem = function (_Component) {
  _inherits(GridItem, _Component);

  function GridItem(props) {
    _classCallCheck(this, GridItem);

    var _this = _possibleConstructorReturn(this, (GridItem.__proto__ || Object.getPrototypeOf(GridItem)).call(this, props));

    _this.mounted = false;
    _this.appearTimer = null;
    _this.node = null;

    _this.state = _extends({}, getPositionStyles(props.rect, 1, props.rtl), getTransitionStyles('appear', props));
    return _this;
  }

  _createClass(GridItem, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.mounted = true;
      this.props.onMounted(this);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.mounted = false;
      clearTimeout(this.appearTimer);
      this.appearTimer = null;
      this.props.onUnmount(this);
    }
  }, {
    key: 'componentWillReceiveProps',
    value: function componentWillReceiveProps(nextProps) {
      var _this2 = this;

      if (!(0, _shallowequal2.default)(nextProps, this.props)) {
        (0, _requestAnimationFrame.raf)(function () {
          _this2.setStateIfNeeded(_extends({}, _this2.state, getPositionStyles(nextProps.rect, 2, nextProps.rtl)));
        });
      }
    }
  }, {
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps, nextState) {
      return !(0, _shallowequal2.default)(nextProps, this.props) || !(0, _shallowequal2.default)(nextState, this.state);
    }
  }, {
    key: 'componentWillAppear',
    value: function componentWillAppear(callback) {
      this.appearTimer = setTimeout(callback, this.props.appearDelay * this.props.index);
    }
  }, {
    key: 'componentDidAppear',
    value: function componentDidAppear() {
      this.setAppearedStyles();
    }
  }, {
    key: 'componentWillEnter',
    value: function componentWillEnter(callback) {
      this.setEnterStyles();
      this.forceUpdate(callback);
    }
  }, {
    key: 'componentDidEnter',
    value: function componentDidEnter() {
      this.setEnteredStyles();
    }
  }, {
    key: 'componentWillLeave',
    value: function componentWillLeave(callback) {
      this.setLeaveStyles();
      setTimeout(callback, this.props.duration);
    }
  }, {
    key: 'setStateIfNeeded',
    value: function setStateIfNeeded(state) {
      if (this.mounted) {
        this.setState(state);
      }
    }
  }, {
    key: 'setAppearedStyles',
    value: function setAppearedStyles() {
      this.setStateIfNeeded(_extends({}, this.state, getTransitionStyles('appeared', this.props), getPositionStyles(this.props.rect, 1, this.props.rtl)));
    }
  }, {
    key: 'setEnterStyles',
    value: function setEnterStyles() {
      this.setStateIfNeeded(_extends({}, this.state, getPositionStyles(this.props.rect, 2, this.props.rtl), getTransitionStyles('enter', this.props)));
    }
  }, {
    key: 'setEnteredStyles',
    value: function setEnteredStyles() {
      this.setStateIfNeeded(_extends({}, this.state, getTransitionStyles('entered', this.props), getPositionStyles(this.props.rect, 1, this.props.rtl)));
    }
  }, {
    key: 'setLeaveStyles',
    value: function setLeaveStyles() {
      this.setStateIfNeeded(_extends({}, this.state, getPositionStyles(this.props.rect, 2, this.props.rtl), getTransitionStyles('leaved', this.props)));
    }
  }, {
    key: 'render',
    value: function render() {
      var _this3 = this;

      var _props = this.props,
          index = _props.index,
          Element = _props.component,
          containerSize = _props.containerSize,
          appearDelay = _props.appearDelay,
          appear = _props.appear,
          appeared = _props.appeared,
          enter = _props.enter,
          entered = _props.entered,
          leaved = _props.leaved,
          onMounted = _props.onMounted,
          onUnmount = _props.onUnmount,
          itemKey = _props.itemKey,
          rect = _props.rect,
          duration = _props.duration,
          easing = _props.easing,
          units = _props.units,
          vendorPrefix = _props.vendorPrefix,
          userAgent = _props.userAgent,
          rtl = _props.rtl,
          rest = _objectWithoutProperties(_props, ['index', 'component', 'containerSize', 'appearDelay', 'appear', 'appeared', 'enter', 'entered', 'leaved', 'onMounted', 'onUnmount', 'itemKey', 'rect', 'duration', 'easing', 'units', 'vendorPrefix', 'userAgent', 'rtl']);

      var style = (0, _styleHelper.buildStyles)(_extends({}, this.state, {
        display: 'block',
        position: 'absolute',
        top: 0
      }, rtl ? { right: 0 } : { left: 0 }, {
        width: rect.width,
        transition: (0, _styleHelper.transition)(['opacity', 'transform'], duration, easing)
      }), units, vendorPrefix, userAgent);

      /* eslint-disable no-return-assign */
      return _react2.default.createElement(Element, _extends({}, rest, {
        ref: function ref(node) {
          return _this3.node = node;
        },
        style: style
      }));
      /* eslint-enable no-return-assign */
    }
  }]);

  return GridItem;
}(_react.Component);

GridItem.propTypes = {
  itemKey: _propTypes2.default.string,
  index: _propTypes2.default.number,
  component: _propTypes2.default.string,
  rect: _propTypes2.default.shape({
    top: _propTypes2.default.number,
    left: _propTypes2.default.number,
    width: _propTypes2.default.number,
    height: _propTypes2.default.number
  }),
  containerSize: _propTypes2.default.shape({
    width: _propTypes2.default.number,
    height: _propTypes2.default.number,
    actualWidth: _propTypes2.default.number
  }),
  duration: _propTypes2.default.number,
  easing: _propTypes2.default.string,
  appearDelay: _propTypes2.default.number,
  appear: _propTypes2.default.func,
  appeared: _propTypes2.default.func,
  enter: _propTypes2.default.func,
  entered: _propTypes2.default.func,
  leaved: _propTypes2.default.func,
  units: _propTypes2.default.shape({
    length: _propTypes2.default.string,
    angle: _propTypes2.default.string
  }),
  vendorPrefix: _propTypes2.default.bool,
  userAgent: _propTypes2.default.string,
  onMounted: _propTypes2.default.func,
  onUnmount: _propTypes2.default.func,
  rtl: _propTypes2.default.bool
};
var _default = GridItem;
exports.default = _default;
;

var _temp = function () {
  if (typeof __REACT_HOT_LOADER__ === 'undefined') {
    return;
  }

  __REACT_HOT_LOADER__.register(getTransitionStyles, 'getTransitionStyles', 'src/components/GridItem.js');

  __REACT_HOT_LOADER__.register(getPositionStyles, 'getPositionStyles', 'src/components/GridItem.js');

  __REACT_HOT_LOADER__.register(GridItem, 'GridItem', 'src/components/GridItem.js');

  __REACT_HOT_LOADER__.register(_default, 'default', 'src/components/GridItem.js');
}();

;