MultiMC5/logic/settings/INISettingsObject.cpp
Petr Mrázek ce99fabe13 GH-992 Add a transaction/locking mechanism to settings objects
This can cut the FTB loading by ~66% - worth it, but not ideal.
Real solution will have to be implemented later.
2015-05-23 16:07:47 +02:00

108 lines
2.3 KiB
C++

/* Copyright 2013-2015 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 "INISettingsObject.h"
#include "Setting.h"
INISettingsObject::INISettingsObject(const QString &path, QObject *parent)
: SettingsObject(parent)
{
m_filePath = path;
m_ini.loadFile(path);
}
void INISettingsObject::setFilePath(const QString &filePath)
{
m_filePath = filePath;
}
bool INISettingsObject::reload()
{
return m_ini.loadFile(m_filePath) && SettingsObject::reload();
}
void INISettingsObject::suspendSave()
{
m_suspendSave = true;
}
void INISettingsObject::resumeSave()
{
m_suspendSave = false;
if(m_doSave)
{
m_ini.saveFile(m_filePath);
}
}
void INISettingsObject::changeSetting(const Setting &setting, QVariant value)
{
if (contains(setting.id()))
{
// valid value -> set the main config, remove all the sysnonyms
if (value.isValid())
{
auto list = setting.configKeys();
m_ini.set(list.takeFirst(), value);
for(auto iter: list)
m_ini.remove(iter);
}
// invalid -> remove all (just like resetSetting)
else
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
}
doSave();
}
}
void INISettingsObject::doSave()
{
if(m_suspendSave)
{
m_doSave = true;
}
else
{
m_ini.saveFile(m_filePath);
}
}
void INISettingsObject::resetSetting(const Setting &setting)
{
// if we have the setting, remove all the synonyms. ALL OF THEM
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
m_ini.remove(iter);
doSave();
}
}
QVariant INISettingsObject::retrieveValue(const Setting &setting)
{
// if we have the setting, return value of the first matching synonym
if (contains(setting.id()))
{
for(auto iter: setting.configKeys())
{
if(m_ini.contains(iter))
return m_ini[iter];
}
}
return QVariant();
}