zarm-web/lib/upload/Upload.js

基于 React 的桌面端UI库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _react = _interopRequireWildcard(require("react"));

var _classnames2 = _interopRequireDefault(require("classnames"));

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

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; if (obj != null) { var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(source, true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(source).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

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

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var Upload =
/*#__PURE__*/
function (_Component) {
  _inherits(Upload, _Component);

  function Upload(props) {
    var _this;

    _classCallCheck(this, Upload);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(Upload).call(this, props));
    _this.upload = void 0;
    _this.state = {
      fileNumber: 0,
      uploading: false
    };
    return _this;
  }

  _createClass(Upload, [{
    key: "componentWillReceiveProps",
    value: function componentWillReceiveProps(nextProps) {
      var _this2 = this;

      var startUpload = this.state.startUpload;

      if ('startUpload' in nextProps) {
        this.setState({
          startUpload: !!nextProps.startUpload
        }, function () {
          if (startUpload) {
            _this2.onUploadClick();
          }
        });
      }
    } // 选择附件

  }, {
    key: "onSelect",
    value: function onSelect() {
      var files = this.upload.files;
      var _this$props = this.props,
          autoUpload = _this$props.autoUpload,
          onSelect = _this$props.onSelect;

      if (files.length === 0 || onSelect(files) === false) {
        return;
      } // 自动上传处理


      if (autoUpload) {
        this.onUploadClick();
      }
    } // 点击上传按钮

  }, {
    key: "onUploadClick",
    value: function onUploadClick() {
      var files = this.upload.files;
      var uploading = this.state.uploading;

      if (files.length === 0 || uploading) {
        return;
      }

      this.setState({
        uploading: true,
        fileNumber: files.length
      });

      for (var i = 0; i < files.length; i++) {
        this.onUpload(files[i]);
      }
    } // 上传附件

  }, {
    key: "onUpload",
    value: function onUpload(file) {
      var _this3 = this;

      var _this$props2 = this.props,
          url = _this$props2.url,
          fileName = _this$props2.fileName,
          data = _this$props2.data,
          onComplete = _this$props2.onComplete,
          onError = _this$props2.onError;
      var URL = /^(http:\/\/|https:\/\/|\/\/)/;
      var origin = window.location.origin;
      var fd = new FormData();
      var xhr = new XMLHttpRequest();
      fd.append(fileName, file);
      Object.keys(data).forEach(function (key) {
        fd.append(key, data[key]);
      }); // eslint-disable-next-line
      // tslint:disable-next-line:no-bitwise

      if (URL.test(url) && !~url.indexOf(origin)) {
        return onComplete(file);
      }

      xhr.onreadystatechange = function () {
        if (xhr.readyState === 4) {
          if (xhr.status === 200) {
            onComplete(file, JSON.parse(xhr.responseText));
            var fileNumber = _this3.state.fileNumber;
            var uploading = false;
            fileNumber -= 1;

            if (fileNumber === 0) {
              _this3.setState({
                fileNumber: fileNumber,
                uploading: uploading
              });

              _this3.upload.value = '';
            } else {
              _this3.setState({
                fileNumber: fileNumber
              });
            }
          } else {
            _this3.setState({
              uploading: false
            });

            _this3.upload.value = '';
            onError();
          }
        }
      }; // 侦查当前附件上传情况
      // xhr.upload.onprogress = e => {
      //   loaded = e.loaded;
      //   total = e.total;
      //   percent = Math.floor(100 * loaded / total); //已经上传的百分比
      //   onProgress(percent);
      // };


      xhr.open('post', url);
      xhr.send(fd);
      return true;
    }
  }, {
    key: "render",
    value: function render() {
      var _classnames,
          _this4 = this;

      var _this$props3 = this.props,
          multiple = _this$props3.multiple,
          fileExt = _this$props3.fileExt,
          className = _this$props3.className,
          style = _this$props3.style,
          prefixCls = _this$props3.prefixCls,
          children = _this$props3.children;
      var uploading = this.state.uploading;
      var cls = (0, _classnames2.default)((_classnames = {}, _defineProperty(_classnames, prefixCls, true), _defineProperty(_classnames, className, !!className), _classnames));

      var childrenNode = _react.default.Children.map(children, function (element, index) {
        var extendProps = {};

        if (typeof element.type !== 'string') {
          // 不是原生dom
          extendProps = {
            isLoading: 'loading' in element.props || element.props.isLoading || uploading,
            isDisabled: 'disabled' in element.props || element.props.isDisabled || uploading
          };
        }

        if (index > 0) {
          return (0, _react.cloneElement)(element, _objectSpread({}, extendProps));
        }

        return (0, _react.cloneElement)(element, _objectSpread({}, extendProps, {
          onClick: function onClick() {
            _this4.upload.click();
          }
        }));
      });

      return _react.default.createElement("div", {
        className: cls,
        style: style
      }, _react.default.createElement("input", {
        type: "file",
        style: {
          display: 'none'
        },
        multiple: multiple,
        accept: fileExt,
        ref: function ref(upload) {
          _this4.upload = upload;
        },
        onChange: function onChange() {
          return _this4.onSelect();
        }
      }), childrenNode);
    }
  }]);

  return Upload;
}(_react.Component);

Upload.defaultProps = {
  prefixCls: 'ui-upload',
  fileName: 'files',
  startUpload: false,
  autoUpload: true,
  isRadius: false,
  data: {},
  url: '',
  onSelect: function onSelect() {},
  onProgress: function onProgress() {},
  onComplete: function onComplete() {},
  onError: function onError() {}
};
Upload.List = void 0;
var _default = Upload;
exports.default = _default;