first re-commit.

model/xqsimpleclipboard.cpp

@@ -0,0 +1,49 @@
+/***************************************************************************
+
+    source::worx xtree
+    Copyright © 2024-2025 c.holzheuer
+    christoph.holzheuer@gmail.com
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+***************************************************************************/
+
+
+#include <xqsimpleclipboard.h>
+#include <xqmodel.h>
+
+
+bool XQSimpleClipBoard::canPaste( const QModelIndex& curIdx ) const
+{
+  bool pasteOk = false;
+  if( !isEmpty() )
+  {
+    XQItem& item = XQItem::xqItemFromIndex(curIdx);
+    // __fixme! header items haben keinen ZNode!
+    qDebug() << " --- can paste: " << item.contentNode()->tag_name() << " nodelist:  " << front().contentNode->tag_name();
+    // paste is only allowed for the same component.type, which
+    // is coded in the tag_type
+    pasteOk = item.contentNode()->tag_name() == front().contentNode->tag_name();
+  }
+  else
+  {
+    qDebug() << " -- ClipBoard: nodelist empty!";
+  }
+  return pasteOk;
+}
+
+
+void XQSimpleClipBoard::saveNodes( const QModelIndexList& list )
+{
+  clear();
+  for( auto entry : list )
+  {
+    XQNodePtr contentNode = XQItem::xqItemFromIndex( entry ).contentNode();
+    // im clipboard brauchen wir eine eltern-lose kopie des knotens
+    push_back( {entry.row(), contentNode->own_pos(), contentNode->clone() } );
+  }
+}
+