/****************************************************************************** * Copyright (c) 2016 Oracle * 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: * Konstantin Komissarchik - initial implementation and ongoing maintenance ******************************************************************************/ package org.eclipse.sapphire.ui.forms.swt.internal; import static org.eclipse.sapphire.ui.forms.swt.internal.RestoreDefaultsActionHandler.collectProperties; import java.util.HashSet; import java.util.Set; import org.eclipse.sapphire.Property; import org.eclipse.sapphire.ui.ISapphirePart; import org.eclipse.sapphire.ui.SapphireCondition; import org.eclipse.sapphire.ui.forms.SectionPart; /** * @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a> */ public final class RestoreDefaultsActionHandlerCondition extends SapphireCondition { public boolean evaluate() { final ISapphirePart part = getPart(); if( part instanceof SectionPart ) { final Set<Property> properties = new HashSet<Property>(); collectProperties( (SectionPart) part, properties ); return ! properties.isEmpty(); } return false; } }