wix-style-react/dist/es/src/Dropzone/Dropzone.js

wix-style-react

import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _defineProperty from "@babel/runtime/helpers/defineProperty";

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

import React from 'react';
import PropTypes from 'prop-types';
import { buildChildrenObject } from "wix-ui-core/dist/es/src/utils";
import { dataHooks } from './constants';
import { st, classes } from './Dropzone.st.css';
/** Defines a region in the page where files can be dropped */

var Dropzone = /*#__PURE__*/function (_React$PureComponent) {
  _inherits(Dropzone, _React$PureComponent);

  var _super = _createSuper(Dropzone);

  function Dropzone() {
    var _this;

    _classCallCheck(this, Dropzone);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));

    _defineProperty(_assertThisInitialized(_this), "state", {
      isDragActive: false
    });

    _defineProperty(_assertThisInitialized(_this), "_dragEventCounter", 0);

    _defineProperty(_assertThisInitialized(_this), "_eventHasFiles", function (event) {
      /** DataTransfer object is defined here: https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer */
      return event.dataTransfer ? Array.from(event.dataTransfer.items).some(function (item) {
        return item.kind === 'file';
      }) : !!(event.target && event.target.files);
    });

    _defineProperty(_assertThisInitialized(_this), "_onDragEnter", function (event) {
      Dropzone._overrideEventDefaults(event);

      _this._dragEventCounter++;
      /** We only want to show the overlay when files are dragged over the dropzone */

      return _this._eventHasFiles(event) && _this.setState({
        isDragActive: true
      });
    });

    _defineProperty(_assertThisInitialized(_this), "_onDragLeave", function (event) {
      Dropzone._overrideEventDefaults(event);

      _this._dragEventCounter--;
      return _this._dragEventCounter === 0 && _this.setState({
        isDragActive: false
      });
    });

    _defineProperty(_assertThisInitialized(_this), "_onDrop", function (event) {
      Dropzone._overrideEventDefaults(event);

      _this._dragEventCounter = 0;

      if (_this._eventHasFiles(event)) {
        var files = event.dataTransfer ? Array.from(event.dataTransfer.items).map(function (item) {
          return item.getAsFile();
        }) : event.target.files;

        _this.setState({
          isDragActive: false
        });

        return _this.props.onDrop(files);
      }
    });

    return _this;
  }

  _createClass(Dropzone, [{
    key: "render",
    value: function render() {
      var _this$props = this.props,
          children = _this$props.children,
          dataHook = _this$props.dataHook,
          className = _this$props.className;
      var isDragActive = this.state.isDragActive;
      var childrenObj = buildChildrenObject(children, {
        Content: null,
        Overlay: null
      });
      return /*#__PURE__*/React.createElement("div", {
        "data-hook": dataHook,
        className: st(classes.root, className),
        onDrop: this._onDrop,
        onDragEnter: this._onDragEnter,
        onDragLeave: this._onDragLeave,
        onDragOver: Dropzone._overrideEventDefaults
      }, isDragActive && childrenObj.Overlay, childrenObj.Content);
    }
  }]);

  return Dropzone;
}(React.PureComponent);

_defineProperty(Dropzone, "displayName", 'Dropzone');

_defineProperty(Dropzone, "propTypes", {
  /** Applies a data-hook HTML attribute that can be used in the tests. */
  dataHook: PropTypes.string,

  /** Specifies a CSS class name to be appended to the component’s root element. */
  className: PropTypes.string,

  /** Defines an event handler which is called when files are dropped over the dropzone. Dropped files are supplied as an argument to the function. */
  onDrop: PropTypes.func.isRequired,

  /** Accepts `<Dropzone.Overlay />` or `<Dropzone.Content />`. Both of them can contain any required content. */
  children: function children(props, propName) {
    var childrenArr = React.Children.toArray(props[propName]);
    var childrenObj = buildChildrenObject(childrenArr, {
      Overlay: null,
      Content: null
    });

    if (!childrenObj.Content) {
      return new Error('Invalid children provided, <Dropzone.Content /> must be provided');
    }

    if (!childrenObj.Overlay) {
      return new Error('Invalid children provided, <Dropzone.Overlay /> must be provided');
    }

    return childrenArr.reduce(function (err, child) {
      if (!err && child.type.displayName !== 'Dropzone.Content' && child.type.displayName !== 'Dropzone.Overlay') {
        return new Error("Invalid children provided, unknown child <".concat(child.type.displayName || child.type, " /> supplied"));
      }

      return err;
    }, false);
  }
});

_defineProperty(Dropzone, "Overlay", function (_ref) {
  var children = _ref.children;
  return /*#__PURE__*/React.createElement("div", {
    "data-hook": dataHooks.dropzoneOverlay,
    className: classes.dropzoneOverlay
  }, children);
});

_defineProperty(Dropzone, "Content", function (_ref2) {
  var children = _ref2.children;
  return /*#__PURE__*/React.createElement("div", {
    "data-hook": dataHooks.dropzoneContent
  }, children);
});

_defineProperty(Dropzone, "_overrideEventDefaults", function (event) {
  event.preventDefault();
  event.stopPropagation();
});

Dropzone.Content.displayName = 'Dropzone.Content';
Dropzone.Overlay.displayName = 'Dropzone.Overlay';
export default Dropzone;