comment/lib/components/ImagePreviewer/ImagePreviewer.js

"use strict";

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

var _spin = require("antd/es/spin");

var _spin2 = _interopRequireDefault(_spin);

var _icon = require("antd/es/icon");

var _icon2 = _interopRequireDefault(_icon);

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; }; }();

require("antd/es/spin/style/css");

require("antd/es/icon/style/css");

var _react = require("react");

var _react2 = _interopRequireDefault(_react);

var _classnames = require("classnames");

var _classnames2 = _interopRequireDefault(_classnames);

require("./ImagePreviewer.css");

var _helper = require("../../helper");

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

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 ImagePreviewer = function (_React$Component) {
  _inherits(ImagePreviewer, _React$Component);

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

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

    _this.setIndex = _this.setIndex.bind(_this);
    _this.onPrev = _this.onPrev.bind(_this);
    _this.onNext = _this.onNext.bind(_this);
    _this.onOrigin = _this.onOrigin.bind(_this);
    _this.rotateLeft = _this.rotateLeft.bind(_this);
    _this.rotateRight = _this.rotateRight.bind(_this);
    _this.onImgLoad = _this.onImgLoad.bind(_this);
    _this.onImageError = _this.onImageError.bind(_this);
    _this.state = {
      cIndex: props.index,
      direction: 0, // 0- 0deg 1- 90deg 2- 180deg 3- 270deg
      loading: false
    };
    return _this;
  }

  _createClass(ImagePreviewer, [{
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      if (nextProps.index !== this.props.index) {
        this.setIndex(nextProps.index);
      }
    }
  }, {
    key: "onPrev",
    value: function onPrev() {
      var prev = this.state.cIndex === 0 ? this.props.list.length - 1 : this.state.cIndex - 1;
      this.setIndex(prev);
    }
  }, {
    key: "onNext",
    value: function onNext() {
      var next = this.state.cIndex === this.props.list.length - 1 ? 0 : this.state.cIndex + 1;
      this.setIndex(next);
    }
  }, {
    key: "onOrigin",
    value: function onOrigin() {
      window.open(this.props.list[this.state.cIndex]);
    }
  }, {
    key: "onImgLoad",
    value: function onImgLoad() {
      this.setState({
        loading: false
      });
    }
  }, {
    key: "onImageError",
    value: function onImageError() {
      this.setState({
        loading: false
      });
    }
  }, {
    key: "setIndex",
    value: function setIndex(index) {
      this.setState({
        cIndex: index,
        direction: 0,
        loading: true
      });
    }
  }, {
    key: "rotateLeft",
    value: function rotateLeft() {
      var direction = this.state.direction - 1;
      if (direction === -1) {
        direction = 3;
      }
      this.setState({
        direction: direction
      });
    }
  }, {
    key: "rotateRight",
    value: function rotateRight() {
      var direction = this.state.direction + 1;
      if (direction === 4) {
        direction = 0;
      }
      this.setState({
        direction: direction
      });
    }

    // calcHeight(node) {
    //     const { naturalHeight, naturalWidth } = node;
    // }

  }, {
    key: "render",
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          list = _props.list,
          onFold = _props.onFold;
      var cIndex = this.state.cIndex;

      return _react2.default.createElement(
        "div",
        { className: "container" },
        _react2.default.createElement(
          "div",
          { className: "toolbar" },
          _react2.default.createElement(
            "span",
            { className: "button", onClick: onFold },
            _react2.default.createElement(_icon2.default, { type: "to-top" }),
            "\u6536\u8D77"
          ),
          _react2.default.createElement(
            "span",
            { className: "button", onClick: this.onOrigin },
            _react2.default.createElement(_icon2.default, { type: "search" }),
            " \u67E5\u770B\u539F\u56FE"
          )
        ),
        _react2.default.createElement(
          "div",
          { className: "pictureWrapper" },
          _react2.default.createElement(
            _spin2.default,
            { spinning: this.state.loading },
            _react2.default.createElement("img", {
              // ref={node => {
              //     if (node) {
              //         this.calcHeight(node);
              //     }
              // }}
              className: "picture",
              src: (0, _helper.addImageProcess)(list[cIndex], { large: true }),
              alt: list[cIndex],
              style: {
                transform: "rotate(" + this.state.direction * 90 + "deg)",
                opacity: this.state.loading ? 0 : 1,
                transition: "0.3s opacity"
              },
              onLoad: this.onImgLoad,
              onError: this.onImageError
            })
          ),
          _react2.default.createElement(
            "div",
            { className: "tools" },
            list.length > 1 && _react2.default.createElement("div", {
              onClick: this.onPrev,
              className: (0, _classnames2.default)("item", "left")
            }),
            _react2.default.createElement("div", { onClick: onFold, className: (0, _classnames2.default)("item", "shrink") }),
            list.length > 1 && _react2.default.createElement("div", {
              onClick: this.onNext,
              className: (0, _classnames2.default)("item", "right")
            })
          )
        ),
        list.length > 1 && _react2.default.createElement(
          "div",
          { className: "list" },
          list.map(function (item, index) {
            return _react2.default.createElement(
              "div",
              {
                className: (0, _classnames2.default)({
                  wrapper: true,
                  active: index === cIndex
                }),
                key: item
              },
              _react2.default.createElement("div", {
                className: (0, _classnames2.default)({
                  thumbnail: true
                }),
                style: {
                  backgroundImage: "url(" + (0, _helper.addImageProcess)(item, {
                    small: true
                  }) + ")"
                },
                onClick: function onClick() {
                  _this2.setIndex(index);
                }
              })
            );
          })
        )
      );
    }
  }]);

  return ImagePreviewer;
}(_react2.default.Component);

exports.default = ImagePreviewer;
//# sourceMappingURL=ImagePreviewer.js.map