executeHandleCopy function

Future<void> executeHandleCopy(FluentDocument document)

Implementation

Future<void> executeHandleCopy(FluentDocument document) async {
  final cursor = document.cursor;
  if (cursor.isCollapsed) return;

  final sel = resolveSelection(
    document.content,
    cursor.anchorId,
    cursor.anchorOffset,
    cursor.focusId,
    cursor.focusOffset,
    cachedStops: document.caretStops,
    cachedLines: document.logicalLines,
  );

  if (sel == null) return;


  final clonedNodes = <Map<String, dynamic>>[];
  final plainTextBuffer = StringBuffer();

  // Group SelectedNode by top-level container
  // SelectedNodes refer to Paragraph/ListItem/FluentCell:
  // we need to reconstruct the ancestor structure (List, Table, Row)
  final topLevelNodes = _groupByTopLevel(document.content, sel);

  for (final tlEntry in topLevelNodes) {
    final clone = _cloneTopLevel(tlEntry, sel, plainTextBuffer);
    if (clone != null) {
      clonedNodes.add(clone.toJson());
    } else {
    }
    plainTextBuffer.write('\n');
  }

  // Remove the last excess \n
  final plainText = plainTextBuffer.toString().trimRight();

  final payload = _ClipboardPayload(
    plainText: plainText,
    nodes: clonedNodes,
  );

  await Clipboard.setData(ClipboardData(text: plainText));
  document.clipboardPayload = jsonEncode(payload.toJson());
}