/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   Copyright (C) 2026 Project Tick
 *
 *   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 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 *  This file incorporates work covered by the following copyright and
 *  permission notice:
 *
 * Copyright 2013-2021 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ModListView.h"
#include <QHeaderView>
#include <QMouseEvent>
#include <QPainter>
#include <QDrag>
#include <QRect>

ModListView::ModListView(QWidget* parent) : QTreeView(parent)
{
	setAllColumnsShowFocus(true);
	setExpandsOnDoubleClick(false);
	setRootIsDecorated(false);
	setSortingEnabled(true);
	setAlternatingRowColors(true);
	setSelectionMode(QAbstractItemView::ExtendedSelection);
	setHeaderHidden(false);
	setSelectionBehavior(QAbstractItemView::SelectRows);
	setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
	setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
	setDropIndicatorShown(true);
	setDragEnabled(true);
	setDragDropMode(QAbstractItemView::DropOnly);
	viewport()->setAcceptDrops(true);
}

void ModListView::setModel(QAbstractItemModel* model)
{
	QTreeView::setModel(model);
	auto head = header();
	head->setStretchLastSection(false);
	// HACK: this is true for the checkbox column of mod lists
	auto string = model->headerData(0, head->orientation()).toString();
	if (head->count() < 1) {
		return;
	}
	if (!string.size()) {
		head->setSectionResizeMode(0, QHeaderView::ResizeToContents);
		head->setSectionResizeMode(1, QHeaderView::Stretch);
		for (int i = 2; i < head->count(); i++)
			head->setSectionResizeMode(i, QHeaderView::ResizeToContents);
	} else {
		head->setSectionResizeMode(0, QHeaderView::Stretch);
		for (int i = 1; i < head->count(); i++)
			head->setSectionResizeMode(i, QHeaderView::ResizeToContents);
	}
}