| /* |
| * 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.uima.tools.util.gui; |
| |
| /* |
| * Created on Jun 12, 2003 |
| * |
| * A specialist component used to create input forms in a 2 or 4 column layout with right-aligned |
| * labels on the left and corresponding component left-aligned in the right column. Components are |
| * arranged in the order that they are added. |
| */ |
| import java.awt.BorderLayout; |
| import java.awt.Component; |
| import java.awt.GridBagConstraints; |
| import java.awt.GridBagLayout; |
| import java.awt.Insets; |
| |
| import javax.swing.JCheckBox; |
| import javax.swing.JComponent; |
| import javax.swing.JPanel; |
| |
| public class FormPanel extends JPanel { |
| private static final long serialVersionUID = 6935744171267722900L; |
| |
| private static final double weights[] = { 0.0, 0.0, 0.0, 0.0 }; |
| |
| private static final int anchors[] = { GridBagConstraints.NORTHEAST, |
| GridBagConstraints.NORTHWEST, GridBagConstraints.NORTHEAST, GridBagConstraints.NORTHWEST }; |
| |
| private GridBagLayout gbl; |
| |
| private GridBagConstraints gbc; |
| |
| private Insets regularInsets = new Insets(1, 4, 1, 4); |
| |
| private Insets checkBoxInsets = new Insets(1, 0, 1, 0); |
| |
| private int nrColumns = 2; // Default |
| |
| protected JPanel gridBagPanel; // Inner panel |
| |
| protected int componentIndex = 0; |
| |
| public FormPanel(int nrColumns) { |
| this(); |
| this.nrColumns = nrColumns; |
| } |
| |
| public FormPanel() { |
| setLayout(new BorderLayout()); |
| gridBagPanel = new JPanel(); |
| |
| gbl = new GridBagLayout(); |
| gbc = new GridBagConstraints(); |
| gridBagPanel.setLayout(gbl); |
| |
| add(gridBagPanel, BorderLayout.NORTH); |
| } |
| |
| public void add(JComponent c) { |
| if (c instanceof JCheckBox) |
| gbc.insets = checkBoxInsets; |
| else |
| gbc.insets = regularInsets; |
| |
| gbc.gridx = (componentIndex % nrColumns); |
| gbc.gridy = componentIndex / nrColumns; |
| gbc.anchor = anchors[gbc.gridx]; |
| gbc.weightx = weights[gbc.gridx]; |
| gridBagPanel.add(c, gbc); |
| |
| componentIndex++; |
| } |
| |
| /* |
| * Enables or disables the panel and all its components. |
| * |
| * @see java.awt.Component#setEnabled(boolean) |
| */ |
| public void setEnabled(boolean onOff) { |
| super.setEnabled(onOff); |
| Component components[] = gridBagPanel.getComponents(); |
| for (int i = 0; i < components.length; i++) |
| components[i].setEnabled(onOff); |
| } |
| |
| public int getNrComponents() { |
| return componentIndex; |
| } |
| |
| /** |
| * Given a configuration parameter name, this method returns a suitable field caption string. e.g. |
| * outputDir would return Output Dir: |
| * |
| * @param name |
| * The configuration parameter name |
| * @return The field caption string |
| */ |
| protected String getCaptionFromName(String name) { |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < name.length(); i++) { |
| char c = name.charAt(i); |
| if (i == 0) |
| sb.append(String.valueOf(c).toUpperCase()); |
| else { |
| if (c > 'A' && c < 'Z') |
| sb.append(" "); |
| |
| sb.append(c); |
| } |
| } |
| sb.append(':'); |
| |
| return sb.toString(); |
| } |
| } |