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/*
This file is part of the KDE project
Copyright (C) 2007 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kfiletreeview.h"
#include <QtCore/QDir>
#include <QtGui/QContextMenuEvent>
#include <QtGui/QMenu>
#include <kdirlister.h>
#include <kdirmodel.h>
#include <kdirsortfilterproxymodel.h>
#include <kfileitemdelegate.h>
#include <klocale.h>
#include <ktoggleaction.h>
#include <kurl.h>
class KFileTreeView::Private
{
public:
Private(KFileTreeView *parent)
: q(parent)
{
}
KUrl urlForProxyIndex(const QModelIndex &index) const;
void _k_activated(const QModelIndex&);
void _k_currentChanged(const QModelIndex&, const QModelIndex&);
void _k_expanded(const QModelIndex&);
KFileTreeView *q;
KDirModel *mSourceModel;
KDirSortFilterProxyModel *mProxyModel;
};
KUrl KFileTreeView::Private::urlForProxyIndex(const QModelIndex &index) const
{
const KFileItem item = mSourceModel->itemForIndex(mProxyModel->mapToSource(index));
return !item.isNull() ? item.url() : KUrl();
}
void KFileTreeView::Private::_k_activated(const QModelIndex &index)
{
const KUrl url = urlForProxyIndex(index);
if (url.isValid())
emit q->activated(url);
}
void KFileTreeView::Private::_k_currentChanged(const QModelIndex ¤tIndex, const QModelIndex&)
{
const KUrl url = urlForProxyIndex(currentIndex);
if (url.isValid())
emit q->currentChanged(url);
}
void KFileTreeView::Private::_k_expanded(const QModelIndex &baseIndex)
{
QModelIndex index = mProxyModel->mapFromSource(baseIndex);
q->selectionModel()->clearSelection();
q->selectionModel()->setCurrentIndex(index, QItemSelectionModel::SelectCurrent);
q->scrollTo(index);
}
KFileTreeView::KFileTreeView(QWidget *parent)
: QTreeView(parent), d(new Private(this))
{
d->mSourceModel = new KDirModel(this);
d->mProxyModel = new KDirSortFilterProxyModel(this);
d->mProxyModel->setSourceModel(d->mSourceModel);
setModel(d->mProxyModel);
setItemDelegate(new KFileItemDelegate(this));
setLayoutDirection(Qt::LeftToRight);
d->mSourceModel->dirLister()->openUrl(KUrl(QDir::root().absolutePath()), KDirLister::Keep);
connect(this, SIGNAL(activated(QModelIndex)),
this, SLOT(_k_activated(QModelIndex)));
connect(selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
this, SLOT(_k_currentChanged(QModelIndex,QModelIndex)));
connect(d->mSourceModel, SIGNAL(expand(QModelIndex)),
this, SLOT(_k_expanded(QModelIndex)));
}
KFileTreeView::~KFileTreeView()
{
delete d;
}
KUrl KFileTreeView::currentUrl() const
{
return d->urlForProxyIndex(currentIndex());
}
KUrl KFileTreeView::selectedUrl() const
{
if (!selectionModel()->hasSelection())
return KUrl();
const QItemSelection selection = selectionModel()->selection();
const QModelIndex firstIndex = selection.indexes().first();
return d->urlForProxyIndex(firstIndex);
}
KUrl::List KFileTreeView::selectedUrls() const
{
KUrl::List urls;
if (!selectionModel()->hasSelection())
return urls;
const QModelIndexList indexes = selectionModel()->selection().indexes();
foreach (const QModelIndex &index, indexes) {
const KUrl url = d->urlForProxyIndex(index);
if (url.isValid())
urls.append(url);
}
return urls;
}
KUrl KFileTreeView::rootUrl() const
{
return d->mSourceModel->dirLister()->url();
}
void KFileTreeView::setDirOnlyMode(bool enabled)
{
d->mSourceModel->dirLister()->setDirOnlyMode(enabled);
d->mSourceModel->dirLister()->openUrl(d->mSourceModel->dirLister()->url());
}
void KFileTreeView::setShowHiddenFiles(bool enabled)
{
KUrl url = currentUrl();
d->mSourceModel->dirLister()->setShowingDotFiles(enabled);
d->mSourceModel->dirLister()->openUrl(d->mSourceModel->dirLister()->url());
setCurrentUrl(url);
}
void KFileTreeView::setCurrentUrl(const KUrl &url)
{
QModelIndex baseIndex = d->mSourceModel->indexForUrl(url);
if (!baseIndex.isValid()) {
d->mSourceModel->expandToUrl(url);
return;
}
QModelIndex proxyIndex = d->mProxyModel->mapFromSource(baseIndex);
selectionModel()->clearSelection();
selectionModel()->setCurrentIndex(proxyIndex, QItemSelectionModel::SelectCurrent);
scrollTo(proxyIndex);
}
void KFileTreeView::setRootUrl(const KUrl &url)
{
d->mSourceModel->dirLister()->openUrl(url);
}
void KFileTreeView::contextMenuEvent(QContextMenuEvent *event)
{
QMenu menu;
KToggleAction *showHiddenAction = new KToggleAction(i18n("Show Hidden Folders"), &menu);
showHiddenAction->setChecked(d->mSourceModel->dirLister()->showingDotFiles());
connect(showHiddenAction, SIGNAL(toggled(bool)), this, SLOT(setShowHiddenFiles(bool)));
menu.addAction(showHiddenAction);
menu.exec(event->globalPos());
}
bool KFileTreeView::showHiddenFiles() const
{
return d->mSourceModel->dirLister()->showingDotFiles();
}
QSize KFileTreeView::sizeHint() const
{
// This size makes KDirSelectDialog pop up just under 800x600 by default :-)
return QSize(680, 500);
}
#include "kfiletreeview.moc"
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