Java tutorial
/***************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.apache.cayenne.modeler.editor.cgen; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.layout.FormLayout; import javax.swing.JComboBox; import javax.swing.JPanel; import java.awt.BorderLayout; import java.awt.CardLayout; import java.awt.Component; import java.util.Objects; /** * @since 4.1 */ public class GeneratorTabPanel extends JPanel { private JComboBox<String> generationMode; private CardLayout modeLayout; private JPanel modesPanel; public GeneratorTabPanel(String[] modeNames, Component[] modePanels) { setLayout(new BorderLayout()); JPanel panel = new JPanel(); this.generationMode = new JComboBox<>(modeNames); this.modeLayout = new CardLayout(); this.modesPanel = new JPanel(modeLayout); generationMode.addItemListener(e -> modeLayout.show(modesPanel, Objects.requireNonNull(generationMode.getSelectedItem()).toString())); // assemble FormLayout layout = new FormLayout("right:77dlu, 3dlu, fill:240, fill:300dlu:grow", ""); DefaultFormBuilder builder = new DefaultFormBuilder(layout); builder.setDefaultDialogBorder(); builder.append("Type:", generationMode, 1); builder.appendSeparator(); for (int i = 0; i < modeNames.length; i++) { modesPanel.add(modePanels[i], modeNames[i]); } panel.setLayout(new BorderLayout()); panel.add(builder.getPanel(), BorderLayout.NORTH); panel.add(modesPanel, BorderLayout.CENTER); add(panel, BorderLayout.CENTER); } public JComboBox getGenerationMode() { return generationMode; } }