/***************************************************************************

    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;
}