dndfilesystemlistview.cpp

// NOTE: This very useful class is from Doomseeker's source code, found here: https://bitbucket.org/Doomseeker/doomseeker
//------------------------------------------------------------------------------
// dndfilesystemlistview.cpp
//------------------------------------------------------------------------------
//
// 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.
//
//------------------------------------------------------------------------------
// Copyright (C) 2011 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#include "dndfilesystemlistview.h"

#include <QDebug>
#include <QDragEnterEvent>
#include <QFileInfo>
#include <QList>
#include <QMimeData>
#include <QUrl>

DndFileSystemListView::DndFileSystemListView(QWidget* pParent)
: QListView(pParent)
{
}

void DndFileSystemListView::dragEnterEvent(QDragEnterEvent* pEvent)
{
    if (pEvent->mimeData()->hasUrls())
    {
        pEvent->acceptProposedAction();
    }
    else if (pEvent->source() != this)
    {
        pEvent->setDropAction(Qt::CopyAction);
        pEvent->accept();
    }
    else
    {
        QListView::dragEnterEvent(pEvent);
    }
}

void DndFileSystemListView::dropEvent(QDropEvent* pEvent)
{
    if (pEvent->mimeData()->hasUrls())
    {
        QList<QUrl> droppedUrls = pEvent->mimeData()->urls();
        for (int i = 0; i < droppedUrls.size(); ++i)
        {
            QString localPath = droppedUrls[i].toLocalFile();
            QFileInfo fileInfo(localPath);
            if(!localPath.isEmpty() && fileInfo.exists())
            {
                emit fileSystemPathDropped(fileInfo.absoluteFilePath());
            }
        }

        pEvent->acceptProposedAction();
    }
    else if (pEvent->source() != this)
    {
        emit internalItemDropped(pEvent);
    }
    else
    {
        QListView::dropEvent(pEvent);
    }
}