@instructure/quiz-interactions/es/components/file_upload/Take/index.js

A React UI component Library for quiz interaction types.

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
import _inherits from "@babel/runtime/helpers/esm/inherits";
import _defineProperty from "@babel/runtime/helpers/esm/defineProperty";
var _dec, _class, _FileUploadTake;
function _callSuper(_this, derived, args) {
  function isNativeReflectConstruct() {
    if (typeof Reflect === "undefined" || !Reflect.construct) return false;
    if (Reflect.construct.sham) return false;
    if (typeof Proxy === "function") return true;
    try {
      return !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
    } catch (e) {
      return false;
    }
  }
  derived = _getPrototypeOf(derived);
  return _possibleConstructorReturn(_this, isNativeReflectConstruct() ? Reflect.construct(derived, args || [], _getPrototypeOf(_this).constructor) : derived.apply(_this, args));
}
/** @jsx jsx */
import { Component } from 'react';
import PropTypes from 'prop-types';
import assign from 'lodash/fp/assign';
import find from 'lodash/fp/find';
import map from 'lodash/fp/map';
import concat from 'lodash/fp/concat';
import sortBy from 'lodash/fp/sortBy';
import remove from 'lodash/fp/remove';
import uniqBy from 'lodash/fp/uniqBy';
import flow from 'lodash/fp/flow';
import { jsx } from '@instructure/emotion';
import { Text } from '@instructure/ui-text';
import { IconUploadLine } from '@instructure/ui-icons';
import { Alert } from '@instructure/ui-alerts';
import { ItemBodyWrapper } from '@instructure/quiz-rce';
import isImage from '../common/isImage';
import FocusGroup from '../../common/components/FocusGroup';
import FilesList from '../common/FilesList';
import generateStyle from './styles';
import generateComponentTheme from './theme';
import t from '@instructure/quiz-i18n/es/format-message';
import { ScreenReaderContent } from '@instructure/ui-a11y-content';
import { withStyleOverrides, FileDrop } from '@instructure/quiz-common';
var FILEDROP_SELECTOR = 'input[type=file]';
var REMOVE_BUTTON_SELECTOR = '[data-role=removeButton] button';

/**
---
category: FileUpload
---
  File Upload Take component

  ```jsx_example
  function Example (props) {
    const exampleProps = {
      itemBody: 'Give three examples of people',
      interactionData: {
        restrictCount: true,
        filesCount: 3
      },
      properties: {
        restrictTypes: false,
        allowedTypes: ''
      },
      userResponse: {
        value: [{
          id: Date.now(),
          name: 'slide-3.jpg',
          url: 'http://instructure.github.io/images/slide-3.jpg',
          size: 49067
        }]
      }
    }

    return (
      <FileUploadTake {...exampleProps} {...props} />
    )
  }

  <SettingsSwitcher locales={LOCALES}>
    <TakeStateProvider>
      <Example />
    </TakeStateProvider>
  </SettingsSwitcher>
  ```
**/
var FileUploadTake = (_dec = withStyleOverrides(generateStyle, generateComponentTheme), _dec(_class = (_FileUploadTake = /*#__PURE__*/function (_Component) {
  function FileUploadTake() {
    var _this2;
    _classCallCheck(this, FileUploadTake);
    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }
    _this2 = _callSuper(this, FileUploadTake, [].concat(args));
    _defineProperty(_this2, "state", {
      files: [],
      messages: []
    });
    _defineProperty(_this2, "focusGroup", null);
    _defineProperty(_this2, "renderDescription", function () {
      return "".concat(_this2.fileCountA11yDescription(), " ").concat(_this2.renderAllowedTypesDescription() || '');
    });
    _defineProperty(_this2, "fileCountA11yDescription", function () {
      if (_this2.props.interactionData.restrictCount) {
        var fileResponseLength = _this2.allResponses().length;
        if (fileResponseLength === 0) return t('Maximum { fileCount } file(s) allowed', {
          fileCount: _this2.fileCountNumber()
        });
        var requiredFilesCount = _this2.parseFilesCount();
        return t('{ filesSubmitted } of a maximum of { filesRequired } file(s) submitted.', {
          filesRequired: requiredFilesCount,
          filesSubmitted: fileResponseLength
        });
      }
      return t('{ fileCount } file(s) submitted.', {
        fileCount: _this2.fileCountNumber()
      });
    });
    _defineProperty(_this2, "fileCountNumber", function () {
      return _this2.props.interactionData.restrictCount ? _this2.parseFilesCount() - _this2.allResponses().length : _this2.allResponses().length;
    });
    _defineProperty(_this2, "makeLocalLoadHandler", function (id) {
      return function (e) {
        var files = map(function (file) {
          if (file.id !== id) {
            return file;
          }
          return assign(file, {
            url: e.target.result
          });
        }, _this2.state.files);
        _this2.setState({
          files: files
        });
      };
    });
    _defineProperty(_this2, "handleDropRejected", function (files) {
      _this2.setState({
        messages: [{
          text: t('Invalid file type'),
          type: 'error'
        }]
      });
    });
    _defineProperty(_this2, "handleDropAccepted", function (files) {
      if (_this2.props.readOnly) {
        return;
      }
      var uploadFiles;
      if (_this2.props.interactionData.restrictCount) {
        var responseLength = _this2.parseResponse().length;
        uploadFiles = files.slice(0, _this2.parseFilesCount() - responseLength);
      } else {
        uploadFiles = files;
      }
      var parsedFiles = uploadFiles.map(function (file, index) {
        var id = Date.now() + index;
        var callback = _this2.makeUploadCallback(id, file);
        _this2.props.mediaUpload(id, file, callback);
        if (isImage(file.name)) {
          var reader = new FileReader();
          reader.onload = _this2.makeLocalLoadHandler(id);
          reader.readAsDataURL(file);
        }
        return {
          id: id,
          url: null,
          name: file.name,
          size: file.size,
          isUploading: true
        };
      });
      _this2.setState({
        files: concat(_this2.state.files, parsedFiles),
        messages: []
      }, function () {
        // After browsing & selecting 1 or more files, focus on the last one
        _this2.focusGroup.focusLast('div');
      });
    });
    _defineProperty(_this2, "makeRemoveHandler", function (_ref) {
      var id = _ref.id;
      return function () {
        var stateFiles = _this2.state.files;
        var response = _this2.parseResponse();
        if (stateFiles.length + response.length === 1) {
          // Focus on FileDrop
          _this2.focusGroup.focusNext(FILEDROP_SELECTOR);
        } else {
          // Focus on another remove button
          if (_this2.focusGroup.previousExists(REMOVE_BUTTON_SELECTOR)) {
            _this2.focusGroup.focusPrevious(REMOVE_BUTTON_SELECTOR);
          } else {
            _this2.focusGroup.focusNext(REMOVE_BUTTON_SELECTOR);
          }
        }
        if (find({
          id: id
        }, stateFiles)) {
          _this2.props.cancelMediaUpload(id);
          _this2.setState({
            files: remove({
              id: id
            }, stateFiles)
          });
        } else {
          _this2.props.handleResponseUpdate(remove({
            id: id
          }, response));
        }
      };
    });
    _defineProperty(_this2, "handleShifterRef", function (node) {
      _this2.focusGroup = node;
    });
    _defineProperty(_this2, "allResponses", function () {
      return flow(concat(_this2.state.files), sortBy('id'), uniqBy('id'))(_this2.parseResponse());
    });
    return _this2;
  }
  _inherits(FileUploadTake, _Component);
  return _createClass(FileUploadTake, [{
    key: "parseFilesCount",
    value: function parseFilesCount() {
      return parseInt(this.props.interactionData.filesCount, 10);
    }
  }, {
    key: "parseResponse",
    value: function parseResponse() {
      var userResponse = this.props.userResponse;
      if (!userResponse || !userResponse.value || !userResponse.value.length) {
        return [];
      }
      return userResponse.value.filter(function (f) {
        return !!f;
      });
    }
  }, {
    key: "makeUploadCallback",
    value: function makeUploadCallback(id, _ref2) {
      var _this3 = this;
      var name = _ref2.name,
        size = _ref2.size;
      return function (url) {
        // First add the new file to userResponse and THEN delete from state
        // So that we never lose track of a file (causes lost focus issues)
        // This means that for one rerender we'll have a file both in state & userResponse
        var response = _this3.parseResponse();
        _this3.props.handleResponseUpdate(concat(response, {
          id: id,
          url: url,
          name: name,
          size: size
        }));
        _this3.setState({
          files: remove({
            id: id
          }, _this3.state.files)
        });
      };
    }
  }, {
    key: "renderFileDropContent",
    value: function renderFileDropContent() {
      var _this4 = this;
      return jsx("div", {
        css: this.props.styles.fileDropContent
      }, jsx("div", {
        css: this.props.styles.fileDropContentIcon
      }, jsx(IconUploadLine, null)), jsx("div", {
        css: this.props.styles.fileDropContentLabel
      }, jsx(Text, {
        color: "primary"
      }, t.rich("Drag n' Drop here or <0>Browse</0>", [function (_ref3) {
        var children = _ref3.children;
        return jsx("span", {
          key: "1",
          css: _this4.props.styles.fileDropContentLabelBrowse
        }, children);
      }]))));
    }
  }, {
    key: "renderAllowedTypesDescription",
    value: function renderAllowedTypesDescription() {
      var _this$props$propertie = this.props.properties,
        restrictTypes = _this$props$propertie.restrictTypes,
        allowedTypes = _this$props$propertie.allowedTypes;
      return restrictTypes && allowedTypes ? t('{ types } only!', {
        types: allowedTypes
      }) : null;
    }
  }, {
    key: "render",
    value: function render() {
      var restrictCount = this.props.interactionData.restrictCount;
      var _this$props = this.props,
        itemBody = _this$props.itemBody,
        properties = _this$props.properties,
        readOnly = _this$props.readOnly;
      var restrictTypes = properties.restrictTypes,
        allowedTypes = properties.allowedTypes;
      var accept = restrictTypes ? allowedTypes : '';
      // The uniqBy is needed because in one rerender there's a file in both state & userResponse

      var hideFileDrop = restrictCount && this.allResponses().length === this.parseFilesCount();
      return jsx("div", null, jsx("div", {
        css: this.props.styles.printOnly
      }, jsx(Alert, {
        variant: "warning"
      }, t('This question type cannot be printed'))), jsx(FocusGroup, {
        ref: this.handleShifterRef,
        asComponent: ItemBodyWrapper,
        asProps: {
          itemBody: itemBody
        }
      }, jsx(FilesList, {
        files: this.allResponses(),
        makeRemoveHandler: this.makeRemoveHandler,
        readOnly: this.props.readOnly
      }), hideFileDrop ? null : jsx("div", null, jsx("div", null, jsx(FileDrop, {
        messages: this.state.messages,
        accept: accept,
        onDropAccepted: this.handleDropAccepted,
        onDropRejected: this.handleDropRejected,
        shouldAllowMultiple: true,
        readOnly: readOnly,
        renderLabel: this.renderFileDropContent()
      })), restrictCount ? jsx("div", null, jsx(Alert, {
        variant: "info",
        margin: "x-small 0",
        hasShadow: false
      }, this.renderDescription())) : null)), jsx(ScreenReaderContent, null, this.renderDescription()));
    }
  }]);
}(Component), _defineProperty(_FileUploadTake, "displayName", 'FileUploadTake'), _defineProperty(_FileUploadTake, "componentId", "Quizzes".concat(_FileUploadTake.displayName)), _defineProperty(_FileUploadTake, "propTypes", {
  itemBody: PropTypes.string.isRequired,
  readOnly: PropTypes.bool,
  handleResponseUpdate: PropTypes.func.isRequired,
  mediaUpload: PropTypes.func.isRequired,
  cancelMediaUpload: PropTypes.func,
  interactionData: PropTypes.shape({
    restrictCount: PropTypes.bool.isRequired,
    filesCount: PropTypes.string.isRequired
  }).isRequired,
  properties: PropTypes.shape({
    restrictTypes: PropTypes.bool.isRequired,
    allowedTypes: PropTypes.oneOfType([PropTypes.string, PropTypes.arrayOf(PropTypes.string)])
  }).isRequired,
  userResponse: PropTypes.shape({
    value: PropTypes.arrayOf(PropTypes.shape({
      id: PropTypes.number.isRequired,
      name: PropTypes.string.isRequired,
      url: PropTypes.string.isRequired,
      size: PropTypes.number.isRequired
    }))
  }).isRequired,
  styles: PropTypes.object
}), _defineProperty(_FileUploadTake, "defaultProps", {
  cancelMediaUpload: function cancelMediaUpload() {},
  readOnly: false
}), _FileUploadTake)) || _class);
export { FileUploadTake as default };