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/***************************************************************************
* Copyright (C) 2008 by Peter Penz <[email protected]> *
* *
* 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; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "selectionmanager.h"
#include "dolphinmodel.h"
#include "selectiontoggle.h"
#include <kdirmodel.h>
#include <kiconeffect.h>
#include <QAbstractButton>
#include <QAbstractItemView>
#include <QAbstractProxyModel>
#include <QModelIndex>
#include <QPainter>
#include <QPaintEvent>
#include <QRect>
SelectionManager::SelectionManager(QAbstractItemView* parent) :
QObject(parent),
m_view(parent),
m_button(0),
m_item()
{
connect(parent, SIGNAL(entered(const QModelIndex&)),
this, SLOT(slotEntered(const QModelIndex&)));
connect(parent, SIGNAL(viewportEntered()),
this, SLOT(slotViewportEntered()));
m_button = new SelectionToggle(m_view->viewport());
m_button->setCheckable(true);
m_button->hide();
connect(m_button, SIGNAL(clicked(bool)),
this, SLOT(setItemSelected(bool)));
}
SelectionManager::~SelectionManager()
{
}
void SelectionManager::reset()
{
m_button->hide();
m_item = KFileItem();
}
void SelectionManager::slotEntered(const QModelIndex& index)
{
m_button->hide();
if (index.isValid() && (index.column() == DolphinModel::Name)) {
m_item = itemForIndex(index);
const QRect rect = m_view->visualRect(index);
const int gap = 2;
const int x = rect.right() - m_button->width() - gap;
int y = rect.top();
if (rect.height() <= m_button->height() * 2) {
// center the button vertically
y += (rect.height() - m_button->height()) / 2;
} else {
y += gap;
}
m_button->move(QPoint(x, y));
QItemSelectionModel* selModel = m_view->selectionModel();
m_button->setChecked(selModel->isSelected(index));
m_button->show();
} else {
m_item = KFileItem();
}
}
void SelectionManager::slotViewportEntered()
{
m_button->hide();
m_item = KFileItem();
}
void SelectionManager::setItemSelected(bool selected)
{
emit selectionChanged();
Q_ASSERT(!m_item.isNull());
const QModelIndex index = indexForItem(m_item);
if (index.isValid()) {
QItemSelectionModel* selModel = m_view->selectionModel();
if (selected) {
selModel->select(index, QItemSelectionModel::Select);
} else {
selModel->select(index, QItemSelectionModel::Deselect);
}
}
}
KFileItem SelectionManager::itemForIndex(const QModelIndex& index) const
{
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
const QModelIndex dirIndex = proxyModel->mapToSource(index);
return dirModel->itemForIndex(dirIndex);
}
const QModelIndex SelectionManager::indexForItem(const KFileItem& item) const
{
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_view->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
const QModelIndex dirIndex = dirModel->indexForItem(item);
return proxyModel->mapFromSource(dirIndex);
}
#include "selectionmanager.moc"
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