/** * Copyright (C) 2015 Valkyrie RCP * * 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. */ package org.valkyriercp.dialog.control; import javax.swing.*; /** * Custom <code>SingleSelectionModel</code> implementation that allows for * vetoing the selection of tabs. * <p> * The {@link #selectionAllowed(int)} method must return <code>true</code> if * the tab at the index can be selected, or <code>false</code> if not. * * @author Peter De Bruycker */ public abstract class VetoableSingleSelectionModel extends DefaultSingleSelectionModel { public final void setSelectedIndex(int index) { if (selectionAllowed(index)) { super.setSelectedIndex(index); } } protected abstract boolean selectionAllowed(int index); }