/*******************************************************************************
* 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.ui.preferences.common;
import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull;
import melnorme.lang.ide.core.CoreSettings.SettingsField;
import melnorme.lang.ide.core.utils.prefs.DerivedValuePreference;
import melnorme.lang.ide.core.utils.prefs.IGlobalPreference;
import melnorme.lang.ide.core.utils.prefs.IProjectPreference;
import melnorme.util.swt.components.FieldWidget;
import melnorme.utilbox.collections.ArrayList2;
import melnorme.utilbox.core.CommonException;
import melnorme.utilbox.fields.IProperty;
public class PreferencesPageContext implements IPreferencesEditor {
protected final ArrayList2<IPreferencesEditor> prefAdapters = new ArrayList2<>();
@Override
public void loadDefaults() {
for(IPreferencesEditor prefAdapter : prefAdapters) {
prefAdapter.loadDefaults();
}
}
@Override
public void doSaveSettings() throws CommonException {
for(IPreferencesEditor prefAdapter : prefAdapters) {
prefAdapter.doSaveSettings();
}
}
/**
* Add a {@link IPreferencesEditor}. Add order is preserved)
*/
public void addPrefElement(IPreferencesEditor prefElement) {
prefAdapters.add(prefElement);
}
public void bindToPreference(FieldWidget<String> field, SettingsField<?> prefField) {
bindToPreference(field, prefField.getGlobalPreference());
field.addFieldValidator2(prefField.getValidator());
}
public <T> void bindToPreference(IProperty<T> field, IProjectPreference<T> pref) {
bindToPreference(field, pref.getGlobalPreference());
}
public <T> void bindToPreference(IProperty<T> field, IGlobalPreference<T> pref) {
addPrefElement(getPreferencesBinder(field, pref));
}
public <T> IPreferencesEditor getPreferencesBinder(IProperty<T> field, IGlobalPreference<T> pref) {
return new GlobalPreferenceAdapter<>(pref, field);
}
/* ----------------- ----------------- */
public class GlobalPreferenceAdapter<T> implements IPreferencesEditor {
protected final IGlobalPreference<T> preference;
protected final IProperty<T> property;
public GlobalPreferenceAdapter(IGlobalPreference<T> preference, IProperty<T> property) {
this.preference = assertNotNull(preference);
this.property = assertNotNull(property);
property.set(preference.asField().get());
}
@Override
public void doSaveSettings() throws CommonException {
preference.setInstanceScopeValue(property.get());
}
@Override
public void loadDefaults() {
property.set(preference.getDefaultValue());
}
}
/* ----------------- util ----------------- */
public void bindToValidatedPreference(FieldWidget<String> field, DerivedValuePreference<?> derivedPref) {
bindToPreference(field, derivedPref.getPreference());
field.addFieldValidator2(derivedPref.getValidator());
}
}