showLinkMenu function

void showLinkMenu(BuildContext context, EditorState editorState, Selection selection, bool isHref,)

Implementation

void showLinkMenu(
  BuildContext context,
  EditorState editorState,
  Selection selection,
  bool isHref,
) {
  // Since link format is only available for single line selection,
  // the first rect(also the only rect) is used as the starting reference point for the [overlay] position

  // get link address if the selection is already a link
  String? linkText;
  if (isHref) {
    linkText = editorState.getDeltaAttributeValueInSelection(
      BuiltInAttributeKey.href,
      selection,
    );
  }

  final (left, top, right, bottom) = _getPosition(editorState, linkText);

  // get node, index and length for formatting text when the link is removed
  final node = editorState.getNodeAtPath(selection.end.path);
  if (node == null) {
    return;
  }
  final index = selection.normalized.startIndex;
  final length = selection.length;

  OverlayEntry? overlay;

  void dismissOverlay() {
    keepEditorFocusNotifier.decrease();
    overlay?.remove();
    overlay = null;
  }

  keepEditorFocusNotifier.increase();
  overlay = FullScreenOverlayEntry(
    top: top,
    bottom: bottom,
    left: left,
    right: right,
    dismissCallback: () => keepEditorFocusNotifier.decrease(),
    builder: (context) {
      return LinkMenu(
        linkText: linkText,
        editorState: editorState,
        onOpenLink: () async {
          await safeLaunchUrl(linkText);
        },
        onSubmitted: (text) async {
          if (isURL(text)) {
            await editorState.formatDelta(selection, {
              BuiltInAttributeKey.href: text,
            });
            dismissOverlay();
          }
        },
        onCopyLink: () {
          AppFlowyClipboard.setData(text: linkText);
          dismissOverlay();
        },
        onRemoveLink: () {
          final transaction = editorState.transaction
            ..formatText(
              node,
              index,
              length,
              {BuiltInAttributeKey.href: null},
            );
          editorState.apply(transaction);
          dismissOverlay();
        },
        onDismiss: dismissOverlay,
      );
    },
  ).build();

  Overlay.of(context, rootOverlay: true).insert(overlay!);
}