/*******************************************************************************
* Copyright (c) 2015 Bruno Medeiros and other Contributors.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.lang.ide.core.utils.prefs;
import java.util.Optional;
import java.util.function.Supplier;
import org.eclipse.core.resources.IProject;
import melnorme.lang.ide.core.LangCore;
import melnorme.lang.ide.core.SettingsChangeListener;
import melnorme.lang.tooling.LocationHandle;
import melnorme.utilbox.core.CommonException;
import melnorme.utilbox.ownership.IDisposable;
public interface IProjectPreference<T> {
PreferenceHelper<T> getGlobalPreference();
default String getKey() {
return getGlobalPreference().key;
}
T getDefaultValue();
T getStoredValue(Optional<IProject> project);
void doSetValue(IProject project, T value);
void setValue(IProject project, T value) throws CommonException;
T getEffectiveValue(Optional<IProject> project);
IProjectPreference<Boolean> getEnableProjectSettingPref();
Supplier<T> getEffectiveValueProperty(Optional<IProject> project);
default IDisposable addListener(SettingChangeListener2<T> changeListener) {
SettingsChangeListener settingsListener = new SettingsChangeListener() {
@SuppressWarnings("unchecked")
@Override
public void preferenceChanged(IProjectPreference<?> setting, LocationHandle location, Object newValue) {
if(setting == IProjectPreference.this) {
changeListener.preferenceChanged(location, (T) newValue);
}
}
};
return LangCore.settings().addSettingsListener(settingsListener);
}
interface SettingChangeListener2<T> {
void preferenceChanged(LocationHandle location, T newValue);
}
}