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Sourcecode: libjgoodies-forms-java version File versions  Download package

DefaultFormWithCustomRowsExample.java

/*
 * Copyright (c) 2002-2004 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  o Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 *     
 *  o Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution. 
 *     
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of 
 *    its contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 *     
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

package com.jgoodies.forms.tutorial.building;

import javax.swing.*;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
import com.jgoodies.forms.layout.RowSpec;

/**
 * Shows three approaches how to add custom rows to a form that is built
 * using a DefaultFormBuilder.<ol> 
 * <li> single custom row, 
 * <li> standard + custom row, 
 * <li> multiple standard rows.
 * </ol>
 * These differ in the position of the 'Comment' label, the alignment 
 * of font baselines and the height of the custom row. 
 *
 * @author Karsten Lentzsch
 * @version $Revision: 1.7 $
 * 
 * @see    DefaultFormBuilder
 * @see    DefaultFormWithCustomAreasExample
 */

00057 public final class DefaultFormWithCustomRowsExample {

    private JTextField name1Field;
    private JTextArea  comment1Area;
    private JTextField name2Field;
    private JTextArea  comment2Area;
    private JTextField name3Field;
    private JTextArea  comment3Area;
    

    public static void main(String[] args) {
        try {
            UIManager.setLookAndFeel("com.jgoodies.plaf.plastic.PlasticXPLookAndFeel");
        } catch (Exception e) {
            // Likely PlasticXP is not in the class path; ignore.
        }
        JFrame frame = new JFrame();
        frame.setTitle("Forms Tutorial :: Custom Rows");
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        JComponent panel = new DefaultFormWithCustomRowsExample().buildPanel();
        frame.getContentPane().add(panel);
        frame.pack();
        frame.setVisible(true);
    }


    // Component Creation and Initialization **********************************

    /**
     *  Creates and intializes the UI components.
     */
00088     private void initComponents() {
        name1Field     = new JTextField("Name - font baselines shall be aligned");
        name2Field     = new JTextField("Name - font baselines shall be aligned");
        name3Field     = new JTextField("Name - font baselines shall be aligned");
        comment1Area   = new JTextArea(2, 20);
        comment2Area   = new JTextArea(2, 20);
        comment3Area   = new JTextArea(2, 20);
        comment1Area.setText("Comment - likely baselines are unaligned");
        comment2Area.setText("Comment - baselines shall be aligned");
        comment3Area.setText("Comment - baselines shall be aligned");
    }


    // Building ***************************************************************

    /**
     * Demonstrates three different ways to add custom rows to a form
     * that is build with a {@link DefaultFormBuilder}.
     * 
     * @return the built panel
     */
00109     public JComponent buildPanel() {
        initComponents();

        FormLayout layout = new FormLayout(
                "right:pref, 3dlu, min:grow", 
                "");
        DefaultFormBuilder builder = new DefaultFormBuilder(layout);
        builder.setDefaultDialogBorder();
        builder.setRowGroupingEnabled(true);
        
        CellConstraints cc = new CellConstraints();

        // In this approach, we add a gap and a custom row.
        // The advantage of this approach is, that we can express
        // the row spec and comment area cell constraints freely.
        // The disadvantage is the misalignment of the leading label.
        // Also the row's height may be inconsistent with other rows. 
        builder.appendSeparator("Single Custom Row");
        builder.append("Name", name1Field); 
        builder.appendRow(builder.getLineGapSpec());
        builder.appendRow(new RowSpec("top:31dlu")); // Assumes line is 14, gap is 3
        builder.nextLine(2);
        builder.append("Comment");
        builder.add(new JScrollPane(comment1Area), 
                    cc.xy(builder.getColumn(), builder.getRow(), "fill, fill"));
        builder.nextLine();

        // In this approach, we append a standard row with gap before it.
        // The advantage is, that the leading label is aligned well.
        // The disadvantage is that the comment area now spans
        // multiple cells and is slightly less flexible.
        // Also the row's height may be inconsistent with other rows. 
        builder.appendSeparator("Standard + Custom Row");
        builder.append("Name", name2Field); 
        builder.append("Comment");
        builder.appendRow(new RowSpec("17dlu")); // Assumes line is 14, gap is 3
        builder.add(new JScrollPane(comment2Area), 
                    cc.xywh(builder.getColumn(), builder.getRow(), 1, 2));
        builder.nextLine(2);

        // In this approach, we append two standard rows with associated gaps.
        // The advantage is, that the leading label is aligned well, 
        // and the height is consistent with other rows.
        // The disadvantage is that the comment area now spans
        // multiple cells and is slightly less flexible.
        builder.appendSeparator("Two Standard Rows");
        builder.append("Name", name3Field); 
        builder.append("Comment");
        builder.nextLine();
        builder.append("");
        builder.nextRow(-2);
        builder.add(new JScrollPane(comment3Area), 
                    cc.xywh(builder.getColumn(), builder.getRow(), 1, 3));

        return builder.getPanel();
    }


}

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