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-rw-r--r--libsettings/src/settingsobject.cpp124
1 files changed, 124 insertions, 0 deletions
diff --git a/libsettings/src/settingsobject.cpp b/libsettings/src/settingsobject.cpp
new file mode 100644
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--- /dev/null
+++ b/libsettings/src/settingsobject.cpp
@@ -0,0 +1,124 @@
+/* Copyright 2013 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 "include/settingsobject.h"
+#include "include/setting.h"
+
+#include <QVariant>
+
+SettingsObject::SettingsObject(QObject *parent) :
+ QObject(parent)
+{
+
+}
+
+bool SettingsObject::registerSetting(Setting *setting)
+{
+ // Check if setting is null or we already have a setting with the same ID.
+ if (!setting)
+ {
+ qDebug(QString("Failed to register setting. Setting is null.").
+ arg(setting->id()).toUtf8());
+ return false; // Fail
+ }
+
+ if (contains(setting->id()))
+ {
+ qDebug(QString("Failed to register setting %1. ID already exists.").
+ arg(setting->id()).toUtf8());
+ return false; // Fail
+ }
+
+ m_settings.insert(setting->id(), setting);
+ setting->setParent(this); // Take ownership.
+
+ // Connect signals.
+ connectSignals(*setting);
+
+ qDebug(QString("Registered setting %1.").arg(setting->id()).toUtf8());
+ return true;
+}
+
+void SettingsObject::unregisterSetting(Setting *setting)
+{
+ if (!setting || !m_settings.contains(setting->id()))
+ return; // We can't unregister something that's not registered.
+
+ m_settings.remove(setting->id());
+
+ // Disconnect signals.
+ disconnectSignals(*setting);
+
+ setting->setParent(NULL); // Drop ownership.
+}
+
+
+Setting *SettingsObject::getSetting(const QString &id) const
+{
+ // Make sure there is a setting with the given ID.
+ if (!m_settings.contains(id))
+ return NULL;
+
+ return m_settings[id];
+}
+
+QVariant SettingsObject::get(const QString &id) const
+{
+ Setting *setting = getSetting(id);
+ return (setting ? setting->get() : QVariant());
+}
+
+bool SettingsObject::set(const QString &id, QVariant value)
+{
+ Setting *setting = getSetting(id);
+ if (!setting)
+ {
+ qDebug(QString("Error changing setting %1. Setting doesn't exist.").
+ arg(id).toUtf8());
+ return false;
+ }
+ else
+ {
+ setting->set(value);
+ return true;
+ }
+}
+
+QList<Setting *> SettingsObject::getSettings()
+{
+ return m_settings.values();
+}
+
+bool SettingsObject::contains(const QString &id)
+{
+ return m_settings.contains(id);
+}
+
+
+void SettingsObject::connectSignals(const Setting &setting)
+{
+ connect(&setting, SIGNAL(settingChanged(const Setting &, QVariant)),
+ SLOT(changeSetting(const Setting &, QVariant)));
+ connect(&setting, SIGNAL(settingChanged(const Setting &, QVariant)),
+ SIGNAL(settingChanged(const Setting &, QVariant)));
+}
+
+void SettingsObject::disconnectSignals(const Setting &setting)
+{
+ setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)),
+ this, SLOT(changeSetting(const Setting &, QVariant)));
+ setting.disconnect(SIGNAL(settingChanged(const Setting &, QVariant)),
+ this, SIGNAL(settingChanged(const Setting &, QVariant)));
+}