mirror of
https://github.com/MultiMC/MultiMC5.git
synced 2024-12-30 12:15:05 +00:00
435 lines
11 KiB
C++
435 lines
11 KiB
C++
/* Copyright 2013 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <QDir>
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#include <QSet>
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#include <QFile>
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#include <QDirIterator>
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#include <QThread>
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#include <QTextStream>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <pathutils.h>
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#include "MultiMC.h"
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#include "logic/lists/InstanceList.h"
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#include "logic/lists/IconList.h"
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#include "logic/BaseInstance.h"
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#include "logic/InstanceFactory.h"
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#include "logger/QsLog.h"
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const static int GROUP_FILE_FORMAT_VERSION = 1;
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InstanceList::InstanceList(const QString &instDir, QObject *parent)
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: QAbstractListModel(parent), m_instDir(instDir)
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{
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}
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InstanceList::~InstanceList()
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{
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saveGroupList();
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}
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int InstanceList::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return m_instances.count();
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}
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QModelIndex InstanceList::index(int row, int column, const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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if (row < 0 || row >= m_instances.size())
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return QModelIndex();
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return createIndex(row, column, (void *)m_instances.at(row).get());
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}
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QVariant InstanceList::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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{
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return QVariant();
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}
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BaseInstance *pdata = static_cast<BaseInstance *>(index.internalPointer());
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switch (role)
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{
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case InstancePointerRole:
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{
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QVariant v = qVariantFromValue((void *)pdata);
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return v;
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}
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case Qt::DisplayRole:
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{
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return pdata->name();
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}
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case Qt::ToolTipRole:
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{
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return pdata->instanceRoot();
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}
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case Qt::DecorationRole:
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{
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QString key = pdata->iconKey();
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return MMC->icons()->getIcon(key);
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}
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// for now.
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case KCategorizedSortFilterProxyModel::CategorySortRole:
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case KCategorizedSortFilterProxyModel::CategoryDisplayRole:
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{
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return pdata->group();
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}
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default:
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break;
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}
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return QVariant();
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}
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Qt::ItemFlags InstanceList::flags(const QModelIndex &index) const
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{
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Qt::ItemFlags f;
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if (index.isValid())
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{
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f |= (Qt::ItemIsEnabled | Qt::ItemIsSelectable);
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}
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return f;
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}
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void InstanceList::groupChanged()
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{
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// save the groups. save all of them.
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saveGroupList();
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}
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void InstanceList::saveGroupList()
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{
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QString groupFileName = m_instDir + "/instgroups.json";
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QFile groupFile(groupFileName);
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// if you can't open the file, fail
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if (!groupFile.open(QIODevice::WriteOnly | QIODevice::Truncate))
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{
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// An error occurred. Ignore it.
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QLOG_ERROR() << "Failed to read instance group file.";
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return;
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}
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QTextStream out(&groupFile);
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QMap<QString, QSet<QString>> groupMap;
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for (auto instance : m_instances)
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{
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QString id = instance->id();
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QString group = instance->group();
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if (group.isEmpty())
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continue;
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if (!groupMap.count(group))
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{
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QSet<QString> set;
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set.insert(id);
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groupMap[group] = set;
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}
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else
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{
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QSet<QString> &set = groupMap[group];
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set.insert(id);
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}
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}
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QJsonObject toplevel;
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toplevel.insert("formatVersion", QJsonValue(QString("1")));
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QJsonObject groupsArr;
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for (auto iter = groupMap.begin(); iter != groupMap.end(); iter++)
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{
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auto list = iter.value();
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auto name = iter.key();
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QJsonObject groupObj;
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QJsonArray instanceArr;
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groupObj.insert("hidden", QJsonValue(QString("false")));
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for (auto item : list)
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{
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instanceArr.append(QJsonValue(item));
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}
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groupObj.insert("instances", instanceArr);
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groupsArr.insert(name, groupObj);
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}
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toplevel.insert("groups", groupsArr);
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QJsonDocument doc(toplevel);
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groupFile.write(doc.toJson());
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groupFile.close();
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}
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void InstanceList::loadGroupList(QMap<QString, QString> &groupMap)
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{
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QString groupFileName = m_instDir + "/instgroups.json";
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// if there's no group file, fail
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if (!QFileInfo(groupFileName).exists())
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return;
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QFile groupFile(groupFileName);
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// if you can't open the file, fail
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if (!groupFile.open(QIODevice::ReadOnly))
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{
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// An error occurred. Ignore it.
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QLOG_ERROR() << "Failed to read instance group file.";
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return;
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}
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QTextStream in(&groupFile);
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QString jsonStr = in.readAll();
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groupFile.close();
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QJsonParseError error;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(jsonStr.toUtf8(), &error);
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// if the json was bad, fail
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if (error.error != QJsonParseError::NoError)
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{
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QLOG_ERROR() << QString("Failed to parse instance group file: %1 at offset %2")
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.arg(error.errorString(), QString::number(error.offset))
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.toUtf8();
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return;
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}
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// if the root of the json wasn't an object, fail
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if (!jsonDoc.isObject())
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{
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QLOG_WARN() << "Invalid group file. Root entry should be an object.";
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return;
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}
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QJsonObject rootObj = jsonDoc.object();
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// Make sure the format version matches, otherwise fail.
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if (rootObj.value("formatVersion").toVariant().toInt() != GROUP_FILE_FORMAT_VERSION)
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return;
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// Get the groups. if it's not an object, fail
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if (!rootObj.value("groups").isObject())
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{
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QLOG_WARN() << "Invalid group list JSON: 'groups' should be an object.";
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return;
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}
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// Iterate through all the groups.
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QJsonObject groupMapping = rootObj.value("groups").toObject();
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for (QJsonObject::iterator iter = groupMapping.begin(); iter != groupMapping.end(); iter++)
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{
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QString groupName = iter.key();
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// If not an object, complain and skip to the next one.
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if (!iter.value().isObject())
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{
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QLOG_WARN() << QString("Group '%1' in the group list should "
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"be an object.")
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.arg(groupName)
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.toUtf8();
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continue;
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}
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QJsonObject groupObj = iter.value().toObject();
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if (!groupObj.value("instances").isArray())
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{
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QLOG_WARN() << QString("Group '%1' in the group list is invalid. "
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"It should contain an array "
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"called 'instances'.")
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.arg(groupName)
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.toUtf8();
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continue;
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}
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// Iterate through the list of instances in the group.
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QJsonArray instancesArray = groupObj.value("instances").toArray();
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for (QJsonArray::iterator iter2 = instancesArray.begin(); iter2 != instancesArray.end();
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iter2++)
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{
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groupMap[(*iter2).toString()] = groupName;
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}
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}
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}
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InstanceList::InstListError InstanceList::loadList()
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{
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// load the instance groups
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QMap<QString, QString> groupMap;
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loadGroupList(groupMap);
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beginResetModel();
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m_instances.clear();
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QDir dir(m_instDir);
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QDirIterator iter(m_instDir, QDir::Dirs | QDir::NoDot | QDir::NoDotDot | QDir::Readable,
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QDirIterator::FollowSymlinks);
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while (iter.hasNext())
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{
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QString subDir = iter.next();
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if (!QFileInfo(PathCombine(subDir, "instance.cfg")).exists())
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continue;
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BaseInstance *instPtr = NULL;
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auto &loader = InstanceFactory::get();
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auto error = loader.loadInstance(instPtr, subDir);
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switch (error)
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{
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case InstanceFactory::NoLoadError:
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break;
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case InstanceFactory::NotAnInstance:
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break;
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}
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if (error != InstanceFactory::NoLoadError && error != InstanceFactory::NotAnInstance)
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{
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QString errorMsg = QString("Failed to load instance %1: ")
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.arg(QFileInfo(subDir).baseName())
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.toUtf8();
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switch (error)
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{
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default:
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errorMsg += QString("Unknown instance loader error %1").arg(error);
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break;
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}
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QLOG_ERROR() << errorMsg.toUtf8();
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}
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else if (!instPtr)
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{
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QLOG_ERROR() << QString("Error loading instance %1. Instance loader returned null.")
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.arg(QFileInfo(subDir).baseName())
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.toUtf8();
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}
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else
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{
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std::shared_ptr<BaseInstance> inst(instPtr);
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auto iter = groupMap.find(inst->id());
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if (iter != groupMap.end())
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{
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inst->setGroupInitial((*iter));
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}
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QLOG_INFO() << "Loaded instance " << inst->name();
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inst->setParent(this);
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m_instances.append(inst);
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connect(instPtr, SIGNAL(propertiesChanged(BaseInstance *)), this,
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SLOT(propertiesChanged(BaseInstance *)));
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connect(instPtr, SIGNAL(groupChanged()), this, SLOT(groupChanged()));
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connect(instPtr, SIGNAL(nuked(BaseInstance *)), this,
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SLOT(instanceNuked(BaseInstance *)));
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}
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}
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endResetModel();
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emit dataIsInvalid();
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return NoError;
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}
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/// Clear all instances. Triggers notifications.
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void InstanceList::clear()
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{
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beginResetModel();
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saveGroupList();
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m_instances.clear();
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endResetModel();
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emit dataIsInvalid();
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}
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void InstanceList::on_InstFolderChanged(const Setting &setting, QVariant value)
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{
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m_instDir = value.toString();
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loadList();
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}
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/// Add an instance. Triggers notifications, returns the new index
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int InstanceList::add(InstancePtr t)
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{
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beginInsertRows(QModelIndex(), m_instances.size(), m_instances.size());
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m_instances.append(t);
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t->setParent(this);
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connect(t.get(), SIGNAL(propertiesChanged(BaseInstance *)), this,
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SLOT(propertiesChanged(BaseInstance *)));
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connect(t.get(), SIGNAL(groupChanged()), this, SLOT(groupChanged()));
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connect(t.get(), SIGNAL(nuked(BaseInstance *)), this, SLOT(instanceNuked(BaseInstance *)));
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endInsertRows();
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return count() - 1;
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}
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InstancePtr InstanceList::getInstanceById(QString instId)
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{
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QListIterator<InstancePtr> iter(m_instances);
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InstancePtr inst;
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while (iter.hasNext())
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{
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inst = iter.next();
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if (inst->id() == instId)
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break;
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}
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if (inst->id() != instId)
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return InstancePtr();
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else
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return iter.peekPrevious();
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}
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int InstanceList::getInstIndex(BaseInstance *inst)
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{
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for (int i = 0; i < m_instances.count(); i++)
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{
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if (inst == m_instances[i].get())
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{
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return i;
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}
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}
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return -1;
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}
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void InstanceList::instanceNuked(BaseInstance *inst)
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{
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int i = getInstIndex(inst);
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if (i != -1)
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{
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beginRemoveRows(QModelIndex(), i, i);
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m_instances.removeAt(i);
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endRemoveRows();
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}
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}
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void InstanceList::propertiesChanged(BaseInstance *inst)
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{
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int i = getInstIndex(inst);
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if (i != -1)
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{
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emit dataChanged(index(i), index(i));
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}
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}
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InstanceProxyModel::InstanceProxyModel(QObject *parent)
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: KCategorizedSortFilterProxyModel(parent)
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{
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// disable since by default we are globally sorting by date:
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setCategorizedModel(true);
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}
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bool InstanceProxyModel::subSortLessThan(const QModelIndex &left,
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const QModelIndex &right) const
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{
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BaseInstance *pdataLeft = static_cast<BaseInstance *>(left.internalPointer());
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BaseInstance *pdataRight = static_cast<BaseInstance *>(right.internalPointer());
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QString sortMode = MMC->settings()->get("InstSortMode").toString();
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if (sortMode == "LastLaunch")
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{
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return pdataLeft->lastLaunch() > pdataRight->lastLaunch();
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}
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else
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{
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return QString::localeAwareCompare(pdataLeft->name(), pdataRight->name()) < 0;
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}
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}
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