/*******************************************************************************
 * gui/common/DropLineEdit.cpp                                                 *
 *                                                                             *
 * Copyright (C) 2012, Retroshare Team <retroshare.project@gmail.com>          *
 *                                                                             *
 * This program is free software: you can redistribute it and/or modify        *
 * it under the terms of the GNU Affero General Public License as              *
 * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.                         *
 *                                                                             *
 * You should have received a copy of the GNU Affero General Public License    *
 * along with this program. If not, see <https://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/

#include <QDropEvent>
#include <QUrl>
#include <QFileInfo>
#include <QMimeData>

#include "DropLineEdit.h"

DropLineEdit::DropLineEdit(QWidget *parent)
	: QLineEdit(parent)
{
	accept.text = false;
	accept.file = false;
	accept.dir = false;

	setAcceptDrops(true);
}

void DropLineEdit::setAcceptText(bool on)
{
	accept.text = on;
}

void DropLineEdit::setAcceptFile(bool on)
{
	accept.file = on;
}

void DropLineEdit::setAcceptDir(bool on)
{
	accept.dir = on;
}

void DropLineEdit::dragEnterEvent(QDragEnterEvent *event)
{
	if (accept.text && event->mimeData()->hasText()) {
		event->acceptProposedAction();
		return;
	}

	if ((accept.file || accept.dir) && event->mimeData()->hasUrls()) {
		event->acceptProposedAction();
		return;
	}
}

void DropLineEdit::dropEvent(QDropEvent *event)
{
	if (event->mimeData()->hasText()) {
		setText(event->mimeData()->text());
	}

	if (event->mimeData()->hasUrls()) {
		QList<QUrl> urlList = event->mimeData()->urls();

		/* if just text was dropped, urlList is empty (size == 0) */
		if (urlList.size() > 0) {
			/* if at least one QUrl is present in list */
			QString name = urlList[0].toLocalFile();

			QFileInfo info;
			info.setFile(name);
			if (accept.file && info.isFile()) {
				setText(name);
			}
			if (accept.dir && info.isDir()) {
				setText(name);
			}
		}
	}

	event->acceptProposedAction();
}