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/* 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 "WorldList.h"
#include <pathutils.h>
#include <QMimeData>
#include <QUrl>
#include <QUuid>
#include <QString>
#include <QFileSystemWatcher>
#include <QDebug>
WorldList::WorldList(const QString &dir)
: QAbstractListModel(), m_dir(dir)
{
ensureFolderPathExists(m_dir.absolutePath());
m_dir.setFilter(QDir::Readable | QDir::NoDotAndDotDot | QDir::Files | QDir::Dirs |
QDir::NoSymLinks);
m_dir.setSorting(QDir::Name | QDir::IgnoreCase | QDir::LocaleAware);
m_watcher = new QFileSystemWatcher(this);
is_watching = false;
connect(m_watcher, SIGNAL(directoryChanged(QString)), this,
SLOT(directoryChanged(QString)));
}
void WorldList::startWatching()
{
update();
is_watching = m_watcher->addPath(m_dir.absolutePath());
if (is_watching)
{
qDebug() << "Started watching " << m_dir.absolutePath();
}
else
{
qDebug() << "Failed to start watching " << m_dir.absolutePath();
}
}
void WorldList::stopWatching()
{
is_watching = !m_watcher->removePath(m_dir.absolutePath());
if (!is_watching)
{
qDebug() << "Stopped watching " << m_dir.absolutePath();
}
else
{
qDebug() << "Failed to stop watching " << m_dir.absolutePath();
}
}
void WorldList::internalSort(QList<World> &what)
{
auto predicate = [](const World &left, const World &right)
{
return left.folderName().localeAwareCompare(right.folderName()) < 0;
};
std::sort(what.begin(), what.end(), predicate);
}
bool WorldList::update()
{
if (!isValid())
return false;
QList<World> orderedWorlds;
QList<World> newWorlds;
m_dir.refresh();
auto folderContents = m_dir.entryInfoList();
// if there are any untracked files...
if (folderContents.size())
{
// the order surely changed!
for (auto entry : folderContents)
{
World w(entry);
if(w.isValid()) {
newWorlds.append(w);
}
}
internalSort(newWorlds);
orderedWorlds.append(newWorlds);
}
beginResetModel();
worlds.swap(orderedWorlds);
endResetModel();
return true;
}
void WorldList::directoryChanged(QString path)
{
update();
}
bool WorldList::isValid()
{
return m_dir.exists() && m_dir.isReadable();
}
bool WorldList::deleteWorld(int index)
{
if (index >= worlds.size() || index < 0)
return false;
World &m = worlds[index];
if (m.destroy())
{
beginRemoveRows(QModelIndex(), index, index);
worlds.removeAt(index);
endRemoveRows();
emit changed();
return true;
}
return false;
}
bool WorldList::deleteWorlds(int first, int last)
{
for (int i = first; i <= last; i++)
{
World &m = worlds[i];
m.destroy();
}
beginRemoveRows(QModelIndex(), first, last);
worlds.erase(worlds.begin() + first, worlds.begin() + last + 1);
endRemoveRows();
emit changed();
return true;
}
int WorldList::columnCount(const QModelIndex &parent) const
{
return 2;
}
QVariant WorldList::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
int row = index.row();
int column = index.column();
if (row < 0 || row >= worlds.size())
return QVariant();
auto & world = worlds[row];
switch (role)
{
case Qt::DisplayRole:
switch (column)
{
case NameColumn:
return world.name();
case LastPlayedColumn:
return world.lastPlayed();
default:
return QVariant();
}
case Qt::ToolTipRole:
{
return world.folderName();
}
case FolderRole:
{
return QDir::toNativeSeparators(dir().absoluteFilePath(world.folderName()));
}
case SeedRole:
{
return qVariantFromValue<qlonglong>(world.seed());
}
case NameRole:
{
return world.name();
}
case LastPlayedRole:
{
return world.lastPlayed();
}
default:
return QVariant();
}
}
QVariant WorldList::headerData(int section, Qt::Orientation orientation, int role) const
{
switch (role)
{
case Qt::DisplayRole:
switch (section)
{
case NameColumn:
return tr("Name");
case LastPlayedColumn:
return tr("Last Played");
default:
return QVariant();
}
case Qt::ToolTipRole:
switch (section)
{
case NameColumn:
return tr("The name of the world.");
case LastPlayedColumn:
return tr("Date and time the world was last played.");
default:
return QVariant();
}
default:
return QVariant();
}
return QVariant();
}
QStringList WorldList::mimeTypes() const
{
QStringList types;
types << "text/plain";
return types;
}
QMimeData *WorldList::mimeData(const QModelIndexList &indexes) const
{
QMimeData *data = new QMimeData();
if (indexes.size() == 0)
return data;
auto idx = indexes[0];
int row = idx.row();
if (row < 0 || row >= worlds.size())
return data;
data->setText(QString::number(row));
return data;
}
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