first reCommit

model/xqsimpleclipboard.cpp

@@ -0,0 +1,107 @@
+/***************************************************************************
+
+    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>
+
+/**
+ * @brief XQSimpleClipBoard::~XQSimpleClipBoard Destroys this object and deletes
+ * the XQDataNodes stored here.
+ */
+
+XQSimpleClipBoard::~XQSimpleClipBoard()
+{
+  // we have clones here, so deletion is needed.
+  _nodeList.clear();
+}
+
+
+/**
+ * @brief XQSimpleClipBoard::isEmpty
+ * @return True for an empty node list.
+ */
+
+bool XQSimpleClipBoard::isEmpty() const
+{
+  return _nodeList.empty();
+}
+
+
+/**
+ * @brief XQSimpleClipBoard::canPaste Test if the clipboard contents can be pasted in the
+ * given index position.
+ * @param curIdx The index position
+ * @return true if pasting is possible
+ */
+
+bool XQSimpleClipBoard::canPaste( const QModelIndex& curIdx ) const
+{
+  bool pasteOk = false;
+  if( !isEmpty() )
+  {
+    XQItem& item = XQItem::xqItemFromIndex(curIdx);
+    // __fixme! header items haben keinen ZNode!
+
+    // paste is only allowed for the same component.type, which
+    // is coded in the tag_type
+    pasteOk = item.contentNode()->tag_name() == _nodeList.front()->tag_name();
+
+  }
+
+  return pasteOk;
+}
+
+
+/**
+ * @brief XQSimpleClipBoard::createContentNodeList Fill the internal list of
+ * XQDataNodes by cloning the nodes in the given index list. (@see dataNodeList() )
+ *
+ * @param indexList The list with QModelIndices.
+ *
+ */
+void XQSimpleClipBoard::createContentNodeList( QModelIndexList& indexList )
+{
+  //_nodeList.createContentNodeList( indexList);
+
+
+}
+
+/*
+void XQNodeList::createContentNodeList(QModelIndexList& indexList )
+{
+  Q_ASSERT( !indexList.isEmpty() );
+
+  // clean up first
+  clear();
+
+  for( auto& idx : indexList )
+  {
+    XQNodePtr node = XQItem::xqItemFromIndex(idx).contentNode();
+    qDebug() << " -- nodelist add node: "<< node->friendly_name()  << " id: " << node->_id << " use count: " << node.use_count();
+    push_back( node );
+  }
+
+}*/
+
+/**
+ * @brief XQSimpleClipBoard::dataNodeList
+ * @return The internal list XQDataNodes
+ */
+
+const XQNodeList& XQSimpleClipBoard::dataNodeList()
+{
+  return _nodeList;
+}
+
+