Files
xtree.ng.zwo/model/xqselectionmodel.cpp
2025-08-13 18:30:47 +02:00

66 lines
1.8 KiB
C++

/***************************************************************************
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 <xqselectionmodel.h>
#include <xqitem.h>
XQSelectionModel::XQSelectionModel(QAbstractItemModel* model)
: QItemSelectionModel(model)
{
}
XQSelectionModel::XQSelectionModel(QAbstractItemModel* model, QObject* parent)
: QItemSelectionModel(model, parent)
{
}
void XQSelectionModel::select(const QItemSelection& selection, QItemSelectionModel::SelectionFlags command)
{
// step #0: fetch selected indices.
QModelIndexList list = selection.indexes();
if (list.isEmpty() || selectedRows().isEmpty() )
return QItemSelectionModel::select(selection, command);
// fetch first index
QModelIndex firstValid = list.first();
if (hasSelection() )
firstValid = selectedRows().first();
//XQItem& firstItem = XQItem::xqItemFromIndex(firstValid);
//if( firstItem.isValid() )
{
XQNodePtr firstNode = XQItem::xqItemFromIndex(firstValid).contentNode();
QItemSelection newSelection;
// __fixme! das crasht!
for (const QModelIndex& idx : list)
{
XQNodePtr nextNode = XQItem::xqItemFromIndex(idx).contentNode();
if (!nextNode || idx.data().toString().isEmpty() || nextNode->tag_name() != firstNode->tag_name() )
break;
newSelection.select(idx, idx);
}
return QItemSelectionModel::select(newSelection, command);
}
QItemSelectionModel::select(selection, command);
}