@dnb/eufemia/cjs/components/upload/UploadDropzone.js

DNB Eufemia Design System UI Library

"use strict";
"use client";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = UploadDropzone;
require("core-js/modules/web.dom-collections.iterator.js");
var _react = _interopRequireWildcard(require("react"));
var _classnames = _interopRequireDefault(require("classnames"));
var _HeightAnimation = _interopRequireDefault(require("../height-animation/HeightAnimation"));
var _UploadContext = require("./UploadContext");
var _svg;
const _excluded = ["children", "className"];
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; }
function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; }
function UploadDropzone(_ref) {
  let {
      children,
      className
    } = _ref,
    rest = _objectWithoutProperties(_ref, _excluded);
  const props = rest;
  const context = (0, _react.useContext)(_UploadContext.UploadContext);
  const [hover, setHover] = (0, _react.useState)(false);
  const hoverTimeout = (0, _react.useRef)();
  const {
    onInputUpload,
    id
  } = context;
  const getFiles = (0, _react.useCallback)(event => {
    const fileData = event.dataTransfer;
    const files = [];
    Array.from(fileData.files).forEach(file => {
      files.push({
        file
      });
    });
    return files;
  }, []);
  const clearTimers = (0, _react.useCallback)(() => {
    clearTimeout(hoverTimeout.current);
  }, []);
  const hoverHandler = (0, _react.useCallback)((event, state) => {
    event.stopPropagation();
    event.preventDefault();
    clearTimers();
    setHover(state);
  }, [clearTimers]);
  const dropHandler = (0, _react.useCallback)(event => {
    const files = getFiles(event);
    onInputUpload(files);
    hoverHandler(event, false);
  }, [getFiles, onInputUpload, hoverHandler]);
  const dragEnterHandler = (0, _react.useCallback)(event => {
    hoverHandler(event, true);
  }, [hoverHandler]);
  const dragLeaveHandler = (0, _react.useCallback)(event => {
    hoverHandler(event, false);
  }, [hoverHandler]);
  (0, _react.useEffect)(() => {
    const elem = document.body;
    const execute = () => {
      try {
        if (!elem.hasAttribute('data-upload-drop-zone')) {
          const add = elem.addEventListener;
          add('drop', dropHandler);
          add('dragover', dragEnterHandler);
          add('dragleave', dragLeaveHandler);
          elem.setAttribute('data-upload-drop-zone', id);
        }
      } catch (e) {}
    };
    const timeoutId = setTimeout(execute, 10);
    return () => {
      clearTimers();
      clearTimeout(timeoutId);
      try {
        if (elem.getAttribute('data-upload-drop-zone') === id) {
          const remove = elem.removeEventListener;
          remove('drop', dropHandler);
          remove('dragover', dragEnterHandler);
          remove('dragleave', dragLeaveHandler);
          elem.removeAttribute('data-upload-drop-zone');
        }
      } catch (e) {}
    };
  }, [clearTimers, dragEnterHandler, dragLeaveHandler, dropHandler, id]);
  return _react.default.createElement(_HeightAnimation.default, _extends({
    className: (0, _classnames.default)(className, hover && 'dnb-upload--active'),
    onDrop: dropHandler,
    onDragOver: dragEnterHandler,
    onDragLeave: dragLeaveHandler
  }, props), children, _svg || (_svg = _react.default.createElement("svg", {
    className: "dnb-upload__outline",
    "aria-hidden": true,
    xmlns: "http://www.w3.org/2000/svg",
    fill: "none"
  }, _react.default.createElement("rect", {
    width: "100%",
    height: "100%",
    rx: "0.5rem",
    ry: "0.5rem",
    strokeWidth: "3",
    strokeDashoffset: "4",
    strokeDasharray: "8 8"
  }))));
}
//# sourceMappingURL=UploadDropzone.js.map