415 lines
10 KiB
C++
415 lines
10 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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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("instances")
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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 ).data() );
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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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qDebug("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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qDebug("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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qWarning(QString("Failed to parse instance group file: %1 at offset %2").
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arg(error.errorString(), QString::number(error.offset)).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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qWarning("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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qWarning("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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qWarning(QString("Group '%1' in the group list should "
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"be an object.").arg(groupName).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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qWarning(QString("Group '%1' in the group list is invalid. "
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"It should contain an array "
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"called 'instances'.").arg(groupName).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();
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iter2 != instancesArray.end(); 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(dir);
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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 &&
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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()).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").
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arg(error);
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break;
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}
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qDebug(errorMsg.toUtf8());
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}
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else if (!instPtr)
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{
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qDebug(QString("Error loading instance %1. Instance loader returned null.").
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arg(QFileInfo(subDir).baseName()).toUtf8());
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}
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else
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{
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QSharedPointer<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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qDebug(QString("Loaded instance %1").arg(inst->name()).toUtf8());
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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, SLOT(propertiesChanged(BaseInstance*)));
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connect(instPtr, SIGNAL(groupChanged()),this, SLOT(groupChanged()));
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connect(instPtr, SIGNAL(nuked(BaseInstance*)), this, 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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/// 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.data(), SIGNAL(propertiesChanged(BaseInstance*)),this, SLOT(propertiesChanged(BaseInstance*)));
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connect(t.data(), SIGNAL(groupChanged()),this, SLOT(groupChanged()));
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connect(t.data(), 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].data())
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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, 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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//kDebug() << *pdataLeft << *pdataRight;
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return QString::localeAwareCompare(pdataLeft->name(), pdataRight->name()) < 0;
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//return pdataLeft->name() < pdataRight->name();
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}
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