88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/*
|
|
* Cantata
|
|
*
|
|
* Copyright (c) 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"
|
|
#include <QtGui/QMouseEvent>
|
|
#include <QtCore/QMap>
|
|
|
|
TreeView::TreeView(QWidget *parent)
|
|
: QTreeView(parent)
|
|
{
|
|
setDragEnabled(true);
|
|
setContextMenuPolicy(Qt::NoContextMenu);
|
|
// setRootIsDecorated(false);
|
|
setAllColumnsShowFocus(true);
|
|
setAlternatingRowColors(true);
|
|
setSelectionMode(QAbstractItemView::ExtendedSelection);
|
|
setSelectionBehavior(QAbstractItemView::SelectRows);
|
|
}
|
|
|
|
TreeView::~TreeView()
|
|
{
|
|
}
|
|
|
|
void TreeView::setPageDefaults()
|
|
{
|
|
sortByColumn(0, Qt::AscendingOrder);
|
|
setHeaderHidden(true);
|
|
setDragDropMode(QAbstractItemView::DragOnly);
|
|
setSortingEnabled(true);
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
void TreeView::mouseReleaseEvent(QMouseEvent *event)
|
|
{
|
|
if (Qt::NoModifier==event->modifiers()) {
|
|
QTreeView::mouseReleaseEvent(event);
|
|
}
|
|
}
|
|
|
|
QModelIndexList TreeView::selectedIndexes() const
|
|
{
|
|
QModelIndexList indexes=selectionModel()->selectedIndexes();
|
|
QMap<int, QModelIndex> sort;
|
|
|
|
foreach (const QModelIndex &idx, indexes) {
|
|
sort.insertMulti(visualRect(idx).y(), idx);
|
|
}
|
|
return sort.values();
|
|
}
|