SpeedNumCube/sncprojects/lib/SNCCube/dragdroplistview.cpp

#include "dragdroplistview.h"

DragDropListView::DragDropListView(QWidget *parent) :
    QListView(parent)
{
    setAcceptDrops(true);
    setViewMode(QListView::IconMode);
    //setDropIndicatorShown(true);
    //setDragDropMode(QAbstractItemView::DropOnly);
    //setDragEnabled(true);
    //this->viewport()->setAcceptDrops(true);
    //this->viewport()->installEventFilter(this);
}
void DragDropListView::dragEnterEvent(QDragEnterEvent *event)
{
    if(event->mimeData()->hasFormat("text/uri-list"))
    {
        if(!getDropFiles(event->mimeData()->urls()).isEmpty())
            event->acceptProposedAction();
    }
}

void DragDropListView::dragMoveEvent(QDragMoveEvent *event)
{
    if(event->mimeData()->hasFormat("text/uri-list"))
    {
        if(!getDropFiles(event->mimeData()->urls()).isEmpty())
            event->acceptProposedAction();
    }
}

void DragDropListView::dropEvent(QDropEvent *event)
{
    QStringList files = getDropFiles(event->mimeData()->urls());
    if(!files.isEmpty())
    {
        emit filesDragDropped(files);
    }

}
void DragDropListView::resizeEvent(QResizeEvent *)
{
    setFlow(QListView::TopToBottom);
}

QStringList DragDropListView::getDropFiles(QList<QUrl> urls)
{
    QStringList files;
    for(int i=0;i<urls.size();i++)
    {
        if(urls.at(i).isLocalFile())
        {
            QFileInfo fileInfo(urls.at(i).toLocalFile());
            if(fileInfo.suffix()=="txt" && fileInfo.isFile()){
                files<<urls.at(i).toLocalFile();
            }
        }
    }
    return files;
}