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feat: paste text inside text

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This commit is contained in:
Vincent Chan 2022-08-03 16:06:07 +08:00
parent e73465170a
commit 290435b0ee
1 changed files with 36 additions and 1 deletions
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37
frontend/app_flowy/packages/flowy_editor/lib/service/internal_key_event_handlers/copy_paste_handler.dart
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@ -37,12 +37,47 @@ _pasteHTML(EditorState editorState, String html) {
() => Delta().retain(startOffset).concat(firstTextNode.delta));
tb.setAfterSelection(Selection.collapsed(Position(
path: path, offset: startOffset + firstTextNode.delta.length)));
tb.commit();
}
}
_pasteMultipleLinesInText(editorState, path, selection.start.offset, nodes);
}
_pasteMultipleLinesInText(
EditorState editorState, List<int> path, int offset, List<Node> nodes) {
final tb = TransactionBuilder(editorState);
final firstNode = nodes[0];
final nodeAtPath = editorState.document.nodeAtPath(path)!;
if (nodeAtPath.type == "text" && firstNode.type == "text") {
// split and merge
final textNodeAtPath = nodeAtPath as TextNode;
final firstTextNode = firstNode as TextNode;
final remain = textNodeAtPath.delta.slice(offset);
tb.textEdit(
textNodeAtPath,
() => Delta()
.retain(offset)
.delete(remain.length)
.concat(firstTextNode.delta));
path[path.length - 1]++;
final tailNodes = nodes.sublist(1);
if (tailNodes.last.type == "text") {
final tailTextNode = tailNodes.last as TextNode;
tailTextNode.delta = tailTextNode.delta.concat(remain);
} else if (remain.length > 0) {
tailNodes.add(TextNode(type: "text", delta: remain));
}
tb.insertNodes(path, tailNodes);
tb.commit();
return;
}
final tb = TransactionBuilder(editorState);
path[path.length - 1]++;
tb.insertNodes(path, nodes);
tb.commit();