fakeRaid/fakeRaid/dropUtils.cpp

#include <QMimeData>
#include <QList>
#include <QUrl>
#include <qevent.h>
#include "dropUtils.h"

using namespace craftlab::fakeraid::ui;

bool DropUtils::IsMimeTypeValidForDrop(const QMimeData* mimeData)
{
	if (nullptr == mimeData || !mimeData->hasUrls())
		return false;

	const QList<QUrl> urls = mimeData->urls();
	auto isInvalidUrl = [](const QUrl& url) {
		return !url.isLocalFile();
		};
	return !std::any_of(urls.begin(), urls.end(), isInvalidUrl) || urls.isEmpty();
}

bool DropUtils::IsDropTargetValid(QDropEvent& e)
{
	if (e.proposedAction() == Qt::CopyAction)
		;
	else if (e.possibleActions() & Qt::CopyAction)
		e.setDropAction(Qt::CopyAction);
	else
		return false;

	if (!DropUtils::IsMimeTypeValidForDrop(e.mimeData()))
		return false;
	return true;
}