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/***************************************************************************
* Copyright (C) 2007 by Peter Penz <[email protected]> *
* Copyright (C) 2007 by David Faure <[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 "draganddrophelper.h"
#include "dolphiniconsview.h"
#include "dolphincontroller.h"
#include <kdirmodel.h>
#include <kfileitem.h>
#include <kicon.h>
#include <klocale.h>
#include <kdebug.h>
#include <konq_operations.h>
#include <QAbstractItemView>
#include <QAbstractProxyModel>
#include <QtDBus>
#include <QDrag>
class DragAndDropHelperSingleton
{
public:
DragAndDropHelper instance;
};
K_GLOBAL_STATIC(DragAndDropHelperSingleton, s_dragAndDropHelper)
DragAndDropHelper& DragAndDropHelper::instance()
{
return s_dragAndDropHelper->instance;
}
bool DragAndDropHelper::isMimeDataSupported(const QMimeData* mimeData) const
{
return mimeData->hasUrls() || mimeData->hasFormat("application/x-kde-dndextract");
}
void DragAndDropHelper::startDrag(QAbstractItemView* itemView,
Qt::DropActions supportedActions,
DolphinController* controller)
{
//do not start a new drag until the previous one has been finished
//This is a (possibly temporary) fix for bug #187884
static bool isDragging = false;
if (isDragging) return;
isDragging = true;
QModelIndexList indexes = itemView->selectionModel()->selectedIndexes();
if (indexes.count() > 0) {
QMimeData *data = itemView->model()->mimeData(indexes);
if (data == 0) {
return;
}
if (controller != 0) {
controller->emitHideToolTip();
}
QDrag* drag = new QDrag(itemView);
QPixmap pixmap;
if (indexes.count() == 1) {
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(itemView->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
const QModelIndex index = proxyModel->mapToSource(indexes.first());
const KFileItem item = dirModel->itemForIndex(index);
pixmap = item.pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
} else {
pixmap = KIcon("document-multiple").pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
}
drag->setPixmap(pixmap);
drag->setMimeData(data);
m_dragSource = itemView;
drag->exec(supportedActions, Qt::IgnoreAction);
m_dragSource = 0;
}
isDragging = false;
}
bool DragAndDropHelper::isDragSource(QAbstractItemView* itemView)
{
return (m_dragSource != 0) && (m_dragSource == itemView);
}
void DragAndDropHelper::dropUrls(const KFileItem& destItem,
const KUrl& destPath,
QDropEvent* event,
QWidget* widget)
{
const bool dropToItem = !destItem.isNull() && (destItem.isDir() || destItem.isDesktopFile());
const KUrl destination = dropToItem ? destItem.url() : destPath;
const QMimeData* mimeData = event->mimeData();
if (mimeData->hasFormat("application/x-kde-dndextract")) {
QString remoteDBusClient = mimeData->data("application/x-kde-dndextract");
QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient, "/DndExtract",
"org.kde.DndExtract", "extractSelectedFilesTo");
message.setArguments(QVariantList() << destination.path());
QDBusConnection::sessionBus().call(message);
} else {
const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
const int urlsCount = urls.count();
if (urlsCount == 0) {
// TODO: handle dropping of other data
} else if ((urlsCount == 1) && (urls.first() == destination)) {
emit errorMessage(i18nc("@info:status", "A folder cannot be dropped into itself"));
} else if (dropToItem) {
KonqOperations::doDrop(destItem, destination, event, widget);
} else {
KonqOperations::doDrop(KFileItem(), destination, event, widget);
}
}
}
DragAndDropHelper::DragAndDropHelper()
: m_dragSource(0)
{
}
#include "draganddrophelper.moc"
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