Files
cantata/widgets/treeview.cpp
2011-12-04 10:48:50 +00:00

56 lines
1.6 KiB
C++

/*
* Cantata
*
* Copyright 2011 Craig Drummond <craig.p.drummond@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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "treeview.h"
TreeView::TreeView(QWidget *parent)
: QTreeView(parent)
{
sortByColumn(0, Qt::AscendingOrder);
setDragEnabled(true);
setContextMenuPolicy(Qt::NoContextMenu);
}
TreeView::~TreeView()
{
}
void TreeView::selectionChanged(const QItemSelection &selected, const QItemSelection &deselected)
{
QTreeView::selectionChanged(selected, deselected);
bool haveSelection=selectedIndexes().count();
setContextMenuPolicy(haveSelection ? Qt::ActionsContextMenu : Qt::NoContextMenu);
emit itemsSelected(haveSelection);
}
bool TreeView::haveSelectedItems() const
{
return selectedIndexes().count()>0;
}
bool TreeView::haveUnSelectedItems() const
{
return selectedIndexes().count()!=model()->rowCount();
}