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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Itemviews NG project on Trolltech Labs.
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "qtablewidgetng.h"
#include "qtablewidgetng_p.h"
#include "qtablecontroller.h"
#include "qtableselectionmanager.h"
#include "qtabledefaultmodel.h"
#include "qgraphicstableview.h"
#include "qgraphicsheader.h"
#include <qdebug.h>
#include <qscrollbar.h>
QT_BEGIN_NAMESPACE
QtTableWidgetNGPrivate::QtTableWidgetNGPrivate()
: controller(0), q_ptr(0)
{
}
void QtTableWidgetNGPrivate::_q_update(const QRegion ®ion)
{
Q_UNUSED(region);
}
void QtTableWidgetNGPrivate::_q_rowsInserted(int row, int count)
{
Q_UNUSED(row);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_rowsRemoved(int row, int count)
{
Q_UNUSED(row);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_rowsMoved(int from, int to, int count)
{
Q_UNUSED(from);
Q_UNUSED(to);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_columnsInserted(int column, int count)
{
Q_UNUSED(column);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_columnsRemoved(int column, int count)
{
Q_UNUSED(column);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_columnsMoved(int from, int to, int count)
{
Q_UNUSED(from);
Q_UNUSED(to);
Q_UNUSED(count);
}
void QtTableWidgetNGPrivate::_q_showView()
{
controller->view()->show();
controller->view()->grabKeyboard();
}
void QtTableWidgetNGPrivate::_q_hideView()
{
controller->view()->ungrabKeyboard();
controller->view()->hide();
}
void QtTableWidgetNGPrivate::_q_updateGeometries()
{
Q_Q(QtTableWidgetNG);
QScrollBar *vertical = q->verticalScrollBar();
QScrollBar *horizontal = q->horizontalScrollBar();
qreal maximum = 0;
vertical->setPageStep(controller->verticalPageStepValue(&maximum));
vertical->setMaximum(maximum);
horizontal->setPageStep(controller->horizontalPageStepValue(&maximum));
horizontal->setMaximum(maximum);
QRect rect = q->viewport()->geometry();
controller->view()->setGeometry(QRect(0, 0, rect.width(), rect.height()));
controller->view()->doLayout();
}
void QtTableWidgetNGPrivate::_q_modelChanged(QtTableModelInterface *current, QtTableModelInterface *previous)
{
Q_UNUSED(current);
Q_UNUSED(previous);
}
void QtTableWidgetNGPrivate::_q_selectionManagerChanged(QtTableSelectionManager *current, QtTableSelectionManager *previous)
{
Q_UNUSED(current);
Q_UNUSED(previous);
}
void QtTableWidgetNGPrivate::_q_viewChanged(QtGraphicsTableView *current, QtGraphicsTableView *previous)
{
Q_Q(QtTableWidgetNG);
if (previous)
q->scene()->removeItem(previous);
if (current)
q->scene()->addItem(current);
}
void QtTableWidgetNGPrivate::_q_controllerChanged(QtTableController *current, QtTableController *previous)
{
Q_Q(QtTableWidgetNG);
if (previous) {
QObject::disconnect(previous, SIGNAL(modelChanged(QtTableModelInterface*,QtTableModelInterface*)),
q, SLOT(_q_modelChanged(QtTableModelInterface*,QtTableModelInterface*)));
QObject::disconnect(previous, SIGNAL(selectionManagerChanged(QtTableSelectionManager*,QtTableSelectionManager*)),
q, SLOT(_q_selectionManagerChanged(QtTableSelectionManager*,QtTableSelectionManager*)));
QObject::disconnect(q->verticalScrollBar(), SIGNAL(valueChanged(int)),
previous, SLOT(setVerticalScrollValue(int)));
QObject::disconnect(q->horizontalScrollBar(), SIGNAL(valueChanged(int)),
previous, SLOT(setHorizontalScrollValue(int)));
}
if (current) {
QObject::connect(current, SIGNAL(modelChanged(QtTableModelInterface*,QtTableModelInterface*)),
q, SLOT(_q_modelChanged(QtTableModelInterface*,QtTableModelInterface*)));
QObject::connect(current, SIGNAL(selectionManagerChanged(QtTableSelectionManager*,QtTableSelectionManager*)),
q, SLOT(_q_selectionManagerChanged(QtTableSelectionManager*,QtTableSelectionManager*)));
QObject::connect(q->verticalScrollBar(), SIGNAL(valueChanged(int)),
current, SLOT(setVerticalScrollValue(int)));
QObject::connect(q->horizontalScrollBar(), SIGNAL(valueChanged(int)),
current, SLOT(setHorizontalScrollValue(int)));
}
_q_modelChanged(current ? current->model() : 0, previous ? previous->model() : 0);
_q_selectionManagerChanged(current ? current->selectionManager() : 0, previous ? previous->selectionManager() : 0);
_q_viewChanged(current ? current->view() : 0, previous ? previous->view() : 0);
}
void QtTableWidgetNGPrivate::initialize(int rows, int columns)
{
Q_Q(QtTableWidgetNG);
q->setScene(new QGraphicsScene(q));
// other parts
if (!controller)
controller = new QtTableController(q);
if (!controller->model())
controller->setModel(new QtTableDefaultModel(rows, columns, controller));
if (!controller->selectionManager())
controller->setSelectionManager(new QtTableSelectionManager(controller));
if (!controller->view()) {
controller->setView(new QtGraphicsTableView);
controller->view()->setParent(controller);
controller->view()->setFlag(QGraphicsItem::ItemClipsChildrenToShape, true);
}
_q_controllerChanged(controller, 0);
}
// QtTableWidgetNG
/*!
*/
QtTableWidgetNG::QtTableWidgetNG(QWidget *parent, int rows, int columns)
: QGraphicsView(parent), d_ptr(new QtTableWidgetNGPrivate)
{
Q_D(QtTableWidgetNG);
d->q_ptr = this;
d->initialize(rows, columns);
}
/*!
*/
QtTableWidgetNG::QtTableWidgetNG(QtTableController *controller, QWidget *parent)
: QGraphicsView(parent), d_ptr(new QtTableWidgetNGPrivate)
{
Q_D(QtTableWidgetNG);
d->q_ptr = this;
d->controller = controller;
d->initialize();
}
/*!
*/
QtTableWidgetNG::~QtTableWidgetNG()
{
delete d_ptr;
}
/*!
*/
QtTableController *QtTableWidgetNG::controller() const
{
Q_D(const QtTableWidgetNG);
return d->controller;
}
/*!
*/
QtTableDefaultModel *QtTableWidgetNG::defaultModel() const
{
Q_D(const QtTableWidgetNG);
return qobject_cast<QtTableDefaultModel*>(d->controller->model());
}
/*!
*/
void QtTableWidgetNG::showEvent(QShowEvent *event)
{
Q_D(QtTableWidgetNG);
d->_q_updateGeometries();
QGraphicsView::showEvent(event);
}
/*!
*/
void QtTableWidgetNG::resizeEvent(QResizeEvent *event)
{
Q_D(QtTableWidgetNG);
d->_q_updateGeometries();
QAbstractScrollArea::resizeEvent(event);
}
/*!
*/
void QtTableWidgetNG::scrollContentsBy(int dx, int dy)
{
Q_UNUSED(dx);
Q_UNUSED(dy);
// do nothing
}
QT_END_NAMESPACE
#include "moc_qtablewidgetng.cpp"
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