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147 | /* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2009-03-25
* Description : Tree View for album models
*
* SPDX-FileCopyrightText: 2009-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
* SPDX-FileCopyrightText: 2010-2011 by Andi Clemens <andi dot clemens at gmail dot com>
* SPDX-FileCopyrightText: 2014 by Mohamed_Anwer <m_dot_anwer at gmx dot com>
* SPDX-FileCopyrightText: 2014 by Michael G. Hansen <mike at mghansen dot de>
* SPDX-FileCopyrightText: 2009-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#include "abstractcountingalbumtreeview.h"
// Local includes
#include "abstractalbumtreeview_p.h"
namespace Digikam
{
AbstractCountingAlbumTreeView::AbstractCountingAlbumTreeView(QWidget* const parent, Flags flags)
: AbstractAlbumTreeView(parent, flags & ~CreateDefaultFilterModel)
{
if (flags & CreateDefaultFilterModel)
{
setAlbumFilterModel(new AlbumFilterModel(this));
}
if (!(flags & AlwaysShowInclusiveCounts))
{
connect(this, SIGNAL(expanded(QModelIndex)),
this, SLOT(slotExpanded(QModelIndex)));
connect(this, SIGNAL(collapsed(QModelIndex)),
this, SLOT(slotCollapsed(QModelIndex)));
}
if (flags & ShowCountAccordingToSettings)
{
connect(ApplicationSettings::instance(), SIGNAL(setupChanged()),
this, SLOT(setShowCountFromSettings()));
}
}
void AbstractCountingAlbumTreeView::setAlbumModel(AbstractCountingAlbumModel* const model)
{
AbstractAlbumTreeView::setAlbumModel(model);
if (m_flags & ShowCountAccordingToSettings)
{
setShowCountFromSettings();
}
if (m_albumModel && m_albumFilterModel)
{
connect(static_cast<AbstractCountingAlbumModel*>(m_albumModel), &AbstractCountingAlbumModel::signalUpdateAlbumCount,
this, [this](Album* album)
{
if (!album)
{
return;
}
QModelIndex index = m_albumFilterModel->indexForAlbum(album);
if (index.isValid())
{
QRect rect = visualRect(index);
if (rect.isValid())
{
viewport()->update(rect);
}
}
}
);
}
}
void AbstractCountingAlbumTreeView::setAlbumFilterModel(AlbumFilterModel* const filterModel)<--- Derived function 'AbstractCountingAlbumTreeView::setAlbumFilterModel'
{
AbstractAlbumTreeView::setAlbumFilterModel(filterModel);
// Initialize expanded/collapsed showCount state
updateShowCountState(QModelIndex(), true);
}
void AbstractCountingAlbumTreeView::updateShowCountState(const QModelIndex& index, bool recurse)
{
if (isExpanded(index) && !(m_flags & AlwaysShowInclusiveCounts))
{
slotExpanded(index);
}
else
{
slotCollapsed(index);
}
if (recurse)
{
const int rows = m_albumFilterModel->rowCount(index);
for (int i = 0 ; i < rows ; ++i)
{
updateShowCountState(m_albumFilterModel->index(i, 0, index), true);
}
}
}
void AbstractCountingAlbumTreeView::slotCollapsed(const QModelIndex& index)
{
static_cast<AbstractCountingAlbumModel*>(m_albumModel)->includeChildrenCount(m_albumFilterModel->mapToSourceAlbumModel(index));
}
void AbstractCountingAlbumTreeView::slotExpanded(const QModelIndex& index)
{
static_cast<AbstractCountingAlbumModel*>(m_albumModel)->excludeChildrenCount(m_albumFilterModel->mapToSourceAlbumModel(index));
}
void AbstractCountingAlbumTreeView::setShowCountFromSettings()
{
static_cast<AbstractCountingAlbumModel*>(m_albumModel)->setShowCount(ApplicationSettings::instance()->getShowFolderTreeViewItemsCount());
}
void AbstractCountingAlbumTreeView::rowsInserted(const QModelIndex& parent, int start, int end)
{
AbstractAlbumTreeView::rowsInserted(parent, start, end);
// initialize showCount state when items are added
for (int i = start ; i <= end ; ++i)
{
updateShowCountState(m_albumFilterModel->index(i, 0, parent), false);
}
}
} // namespace Digikam
#include "moc_abstractcountingalbumtreeview.cpp"
|