src/draganddrophelper.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
   3  *   Copyright (C) 2007 by David Faure <faure@kde.org>                     *                                                                      *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "draganddrophelper.h"
  21 #include "dolphiniconsview.h"
  22 #include "dolphincontroller.h"
  23
  24 #include <kdirmodel.h>
  25 #include <kfileitem.h>
  26 #include <kicon.h>
  27 #include <konq_operations.h>
  28
  29 #include <QAbstractItemView>
  30 #include <QAbstractProxyModel>
  31 #include <QDrag>
  32
  33 bool DragAndDropHelper::isMimeDataSupported(const QMimeData* mimeData)
  34 {
  35     return mimeData->hasUrls() || mimeData->hasFormat("application/x-kde-dndextract");
  36 }
  37
  38 void DragAndDropHelper::startDrag(QAbstractItemView* itemView,
  39                                   Qt::DropActions supportedActions,
  40                                   DolphinController* controller)
  41 {
  42     QModelIndexList indexes = itemView->selectionModel()->selectedIndexes();
  43     if (indexes.count() > 0) {
  44         QMimeData *data = itemView->model()->mimeData(indexes);
  45         if (data == 0) {
  46             return;
  47         }
  48
  49         if (controller != 0) {
  50             controller->emitHideToolTip();
  51         }
  52
  53         QDrag* drag = new QDrag(itemView);
  54         QPixmap pixmap;
  55         if (indexes.count() == 1) {
  56             QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(itemView->model());
  57             KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
  58             const QModelIndex index = proxyModel->mapToSource(indexes.first());
  59
  60             const KFileItem item = dirModel->itemForIndex(index);
  61             pixmap = item.pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
  62         } else {
  63             pixmap = KIcon("document-multiple").pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
  64         }
  65         drag->setPixmap(pixmap);
  66         drag->setMimeData(data);
  67         drag->exec(supportedActions, Qt::IgnoreAction);
  68     }
  69 }
  70
  71 void DragAndDropHelper::dropUrls(const KFileItem& destItem,
  72                                  const KUrl& destPath,
  73                                  QDropEvent* event,
  74                                  QWidget* widget)
  75 {
  76     const bool dropToItem = !destItem.isNull() && (destItem.isDir() || destItem.isDesktopFile());
  77     const KUrl destination = dropToItem ? destItem.url() : destPath;
  78
  79     const KUrl::List urls = KUrl::List::fromMimeData(event->mimeData());
  80     const KUrl sourceDir = KUrl(urls.first().directory());
  81     if (sourceDir != destination) {
  82         if (dropToItem) {
  83             KonqOperations::doDrop(destItem, destination, event, widget);
  84         } else {
  85             KonqOperations::doDrop(KFileItem(), destination, event, widget);
  86         }
  87     }
  88 }