@mui/x-data-grid/hooks/features/clipboard/useGridClipboard.js

The Community plan edition of the Data Grid components (MUI X).

import * as React from 'react';
import { useGridApiOptionHandler, useGridNativeEventListener } from '../../utils';
import { gridFocusCellSelector } from '../focus/gridFocusStateSelector';
import { serializeCellValue } from '../export/serializers/csvSerializer';
function writeToClipboardPolyfill(data) {
  const span = document.createElement('span');
  span.style.whiteSpace = 'pre';
  span.style.userSelect = 'all';
  span.style.opacity = '0px';
  span.textContent = data;
  document.body.appendChild(span);
  const range = document.createRange();
  range.selectNode(span);
  const selection = window.getSelection();
  selection.removeAllRanges();
  selection.addRange(range);
  try {
    document.execCommand('copy');
  } finally {
    document.body.removeChild(span);
  }
}
function copyToClipboard(data) {
  if (navigator.clipboard) {
    navigator.clipboard.writeText(data).catch(() => {
      writeToClipboardPolyfill(data);
    });
  } else {
    writeToClipboardPolyfill(data);
  }
}
function hasNativeSelection(element) {
  // When getSelection is called on an <iframe> that is not displayed Firefox will return null.
  if (window.getSelection()?.toString()) {
    return true;
  }

  // window.getSelection() returns an empty string in Firefox for selections inside a form element.
  // See: https://bugzilla.mozilla.org/show_bug.cgi?id=85686.
  // Instead, we can use element.selectionStart that is only defined on form elements.
  if (element && (element.selectionEnd || 0) - (element.selectionStart || 0) > 0) {
    return true;
  }
  return false;
}

/**
 * @requires useGridCsvExport (method)
 * @requires useGridSelection (method)
 */
export const useGridClipboard = (apiRef, props) => {
  const ignoreValueFormatterProp = props.ignoreValueFormatterDuringExport;
  const ignoreValueFormatter = (typeof ignoreValueFormatterProp === 'object' ? ignoreValueFormatterProp?.clipboardExport : ignoreValueFormatterProp) || false;
  const clipboardCopyCellDelimiter = props.clipboardCopyCellDelimiter;
  const handleCopy = React.useCallback(event => {
    if (!((event.ctrlKey || event.metaKey) && event.key.toLowerCase() === 'c' && !event.shiftKey && !event.altKey)) {
      return;
    }

    // Do nothing if there's a native selection
    if (hasNativeSelection(event.target)) {
      return;
    }
    let textToCopy = '';
    const selectedRows = apiRef.current.getSelectedRows();
    if (selectedRows.size > 0) {
      textToCopy = apiRef.current.getDataAsCsv({
        includeHeaders: false,
        // TODO: make it configurable
        delimiter: clipboardCopyCellDelimiter,
        shouldAppendQuotes: false
      });
    } else {
      const focusedCell = gridFocusCellSelector(apiRef);
      if (focusedCell) {
        const cellParams = apiRef.current.getCellParams(focusedCell.id, focusedCell.field);
        textToCopy = serializeCellValue(cellParams, {
          delimiterCharacter: clipboardCopyCellDelimiter,
          ignoreValueFormatter,
          shouldAppendQuotes: false
        });
      }
    }
    textToCopy = apiRef.current.unstable_applyPipeProcessors('clipboardCopy', textToCopy);
    if (textToCopy) {
      copyToClipboard(textToCopy);
      apiRef.current.publishEvent('clipboardCopy', textToCopy);
    }
  }, [apiRef, ignoreValueFormatter, clipboardCopyCellDelimiter]);
  useGridNativeEventListener(apiRef, apiRef.current.rootElementRef, 'keydown', handleCopy);
  useGridApiOptionHandler(apiRef, 'clipboardCopy', props.onClipboardCopy);
};