@mirrormedia/lilith-draft-editor/lib/draft-js/buttons/link.js

## Installation

"use strict";

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

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

var _styledComponents = _interopRequireDefault(require("styled-components"));

var _modals = require("@keystone-ui/modals");

var _draftJs = require("draft-js");

var _fields = require("@keystone-ui/fields");

var _util = require("../util");

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

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && 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; }

const StyledTextInput = (0, _styledComponents.default)(_fields.TextInput)`
  fontfamily: Georgia, serif;
  marginright: 10;
  padding: 10;
`;

function LinkButton(props) {
  const {
    editorState,
    className,
    onChange
  } = props;
  const entityData = (0, _util.getSelectionEntityData)(editorState);
  const url = (entityData === null || entityData === void 0 ? void 0 : entityData.url) || '';
  (0, _react.useEffect)(() => {
    setLinkUrl(url);
  }, [url]);
  const [toShowUrlInput, setToShowUrlInput] = (0, _react.useState)(false);
  const [linkUrl, setLinkUrl] = (0, _react.useState)(url || '');

  const promptForLink = e => {
    e.preventDefault();
    const selection = editorState.getSelection();

    if (!selection.isCollapsed()) {
      setToShowUrlInput(true);
    }
  };

  const confirmLink = () => {
    const contentState = editorState.getCurrentContent();
    const contentStateWithEntity = contentState.createEntity('LINK', 'MUTABLE', {
      url: linkUrl
    });
    const entityKey = contentStateWithEntity.getLastCreatedEntityKey();

    const newEditorState = _draftJs.EditorState.set(editorState, {
      currentContent: contentStateWithEntity
    });

    const selection = newEditorState.getSelection(); // RichUtils.toggleLink will reset selection back to first block and cause
    // the editor scroll to top. Use `forceSelection` to hold the selection.

    onChange(_draftJs.EditorState.forceSelection(_draftJs.RichUtils.toggleLink(newEditorState, selection, entityKey), selection));
    setToShowUrlInput(false);
  };

  const onLinkInputKeyDown = e => {
    if (e.which === 13) {
      e.preventDefault();
      confirmLink();
    }
  };

  const removeLink = () => {
    const selection = editorState.getSelection();

    if (!selection.isCollapsed()) {
      // RichUtils.toggleLink will reset selection back to first block and cause
      // the editor scroll to top. Use `forceSelection` to hold the selection.
      onChange(_draftJs.EditorState.forceSelection(_draftJs.RichUtils.toggleLink(editorState, selection, null), selection));
    }

    setToShowUrlInput(false);
  };

  const alertProps = linkUrl ? {
    title: 'Update Link',
    actions: {
      cancel: {
        label: 'Remove',
        action: removeLink
      },
      confirm: {
        label: 'Update',
        action: confirmLink
      }
    }
  } : {
    title: 'Insert Link',
    actions: {
      cancel: {
        label: 'Cancel',
        action: removeLink
      },
      confirm: {
        label: 'Confirm',
        action: confirmLink
      }
    }
  };

  const urlInput = /*#__PURE__*/_react.default.createElement(_modals.AlertDialog, {
    title: alertProps.title,
    isOpen: toShowUrlInput,
    actions: alertProps.actions
  }, /*#__PURE__*/_react.default.createElement(StyledTextInput, {
    onChange: e => setLinkUrl(e.target.value),
    value: linkUrl,
    type: "text",
    onKeyDown: onLinkInputKeyDown
  }));

  return /*#__PURE__*/_react.default.createElement(_react.Fragment, null, urlInput, /*#__PURE__*/_react.default.createElement("div", {
    className: className,
    onMouseDown: promptForLink
  }, /*#__PURE__*/_react.default.createElement("i", {
    className: "fas fa-link"
  })));
}