PrismLauncher/application/pages/WorldListPage.cpp

/* Copyright 2015 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 "WorldListPage.h"
#include "ui_WorldListPage.h"
#include "minecraft/WorldList.h"
#include "dialogs/ModEditDialogCommon.h"
#include <QEvent>
#include <QKeyEvent>
#include <QMessageBox>

WorldListPage::WorldListPage(BaseInstance *inst, std::shared_ptr<WorldList> worlds, QString id,
							 QString iconName, QString displayName, QString helpPage,
							 QWidget *parent)
	: QWidget(parent), ui(new Ui::WorldListPage), m_worlds(worlds), m_inst(inst), m_id(id), m_displayName(displayName), m_iconName(iconName), m_helpName(helpPage)
{
	ui->setupUi(this);
	ui->tabWidget->tabBar()->hide();
	ui->worldTreeView->setModel(m_worlds.get());
	ui->worldTreeView->installEventFilter(this);
}

void WorldListPage::opened()
{
	m_worlds->startWatching();
}

void WorldListPage::closed()
{
	m_worlds->stopWatching();
}

WorldListPage::~WorldListPage()
{
	m_worlds->stopWatching();
	delete ui;
}

bool WorldListPage::shouldDisplay() const
{
	if (m_inst)
		return !m_inst->isRunning();
	return true;
}

bool WorldListPage::worldListFilter(QKeyEvent *keyEvent)
{
	switch (keyEvent->key())
	{
	case Qt::Key_Delete:
		on_rmWorldBtn_clicked();
		return true;
	default:
		break;
	}
	return QWidget::eventFilter(ui->worldTreeView, keyEvent);
}

bool WorldListPage::eventFilter(QObject *obj, QEvent *ev)
{
	if (ev->type() != QEvent::KeyPress)
	{
		return QWidget::eventFilter(obj, ev);
	}
	QKeyEvent *keyEvent = static_cast<QKeyEvent *>(ev);
	if (obj == ui->worldTreeView)
		return worldListFilter(keyEvent);
	return QWidget::eventFilter(obj, ev);
}
void WorldListPage::on_rmWorldBtn_clicked()
{
	int first, last;
	auto list = ui->worldTreeView->selectionModel()->selectedRows();

	if (!lastfirst(list, first, last))
		return;
	
	auto result = QMessageBox::question(this,
				tr("Are you sure?"),
				tr("This will remove the selected world permenantly.\n"
					"The world will be gone forever (A LONG TIME).\n"
					"\n"
					"Do you want to continue?"),
					tr("I understand, continue."), tr("Cancel"), QString(), 1, 1
				);
	if(result != 0)
		return;
	m_worlds->stopWatching();
	m_worlds->deleteWorlds(first, last);
	m_worlds->startWatching();
}

void WorldListPage::on_viewFolderBtn_clicked()
{
	openDirInDefaultProgram(m_worlds->dir().absolutePath(), true);
}