The different sizing units provided by the FormLayout : FormLayout « Swing Components « Java

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Java » Swing Components » FormLayoutScreenshots 
The different sizing units provided by the FormLayout
The different sizing units provided by the FormLayout

/*
 * 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. 
 */



import javax.swing.*;

import com.jgoodies.forms.builder.DefaultFormBuilder;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

/**
 * Demonstrates the different sizing units provided by the FormLayout:
 * Pixel, Dialog Units (dlu), Point, Millimeter, Centimeter and Inches. 
 * Pt, mm, cm, in honor the screen resolution; dlus honor the font size too.
 
 @author  Karsten Lentzsch
 @version $Revision: 1.9 $
 */
public class UnitsExample {

    
    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 :: Units");
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        JComponent panel = new UnitsExample().buildPanel();
        frame.getContentPane().add(panel);
        frame.pack();
        frame.setVisible(true);
    }


    public JComponent buildPanel() {
        JTabbedPane tabbedPane = new JTabbedPane();
        tabbedPane.putClientProperty("jgoodies.noContentBorder", Boolean.TRUE);

        tabbedPane.add("Horizontal",     buildHorizontalUnitsPanel());
        tabbedPane.add("Horizontal Dlu", buildHorizontalDluPanel());
        tabbedPane.add("Vertical",       buildVerticalUnitsPanel());
        tabbedPane.add("Vertical Dlu",   buildVerticalDluPanel());
        return tabbedPane;
    }
    
    
    private JComponent buildHorizontalUnitsPanel() {
        FormLayout layout = new FormLayout(
            "right:pref, 1dlu, left:pref, 4dlu, left:pref",   
            "")
        DefaultFormBuilder builder = new DefaultFormBuilder(layout);
        builder.setDefaultDialogBorder();

        builder.append("72",   new JLabel("pt"), buildHorizontalPanel("72pt"));
        builder.append("25.4"new JLabel("mm"), buildHorizontalPanel("25.4mm"));
        builder.append("2.54"new JLabel("cm"), buildHorizontalPanel("2.54cm"));
        builder.append("1",    new JLabel("in"), buildHorizontalPanel("1in"));
        builder.append("72",   new JLabel("px"), buildHorizontalPanel("72px"));
        builder.append("96",   new JLabel("px"), buildHorizontalPanel("96px"));
        builder.append("120",  new JLabel("px"), buildHorizontalPanel("120px"));
        
        return builder.getPanel();
    }
    
    
    private JComponent buildHorizontalDluPanel() {
        FormLayout layout = new FormLayout(
            "right:pref, 1dlu, left:pref, 4dlu, left:pref",   
            "")
        DefaultFormBuilder builder = new DefaultFormBuilder(layout);
        builder.setDefaultDialogBorder();

        builder.append("9",  new JLabel("cols"), buildHorizontalPanel(9));
        builder.append("50"new JLabel("dlu"),  buildHorizontalPanel("50dlu"));
        builder.append("75"new JLabel("px"),   buildHorizontalPanel("75px"));
        builder.append("88"new JLabel("px"),   buildHorizontalPanel("88px"));
        builder.append("100",new JLabel("px"),   buildHorizontalPanel("100px"));
        
        return builder.getPanel();
    }
    
    
    private JComponent buildVerticalUnitsPanel() {
        FormLayout layout = new FormLayout(
            "c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p",   
            "pref, 6dlu, top:pref")
            
        JPanel panel = new JPanel(layout);
        panel.setBorder(Borders.DIALOG_BORDER);
        CellConstraints cc = new CellConstraints();

        panel.add(new JLabel("72 pt"),            cc.xy(11));
        panel.add(buildVerticalPanel("72pt"),     cc.xy(13));
        
        panel.add(new JLabel("25.4 mm"),          cc.xy(31));
        panel.add(buildVerticalPanel("25.4mm"),   cc.xy(33));
        
        panel.add(new JLabel("2.54 cm"),          cc.xy(51));
        panel.add(buildVerticalPanel("2.54cm"),   cc.xy(53));
        
        panel.add(new JLabel("1 in"),             cc.xy(71));
        panel.add(buildVerticalPanel("1in"),      cc.xy(73));

        panel.add(new JLabel("72 px"),            cc.xy(91));
        panel.add(buildVerticalPanel("72px"),     cc.xy(93));
        
        panel.add(new JLabel("96 px"),           cc.xy(111));
        panel.add(buildVerticalPanel("96px"),    cc.xy(113));
        
        panel.add(new JLabel("120 px"),           cc.xy(131));
        panel.add(buildVerticalPanel("120px"),    cc.xy(133));
        
        return panel;
    }
    
    private JComponent buildVerticalDluPanel() {
        FormLayout layout = new FormLayout(
            "c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p, 4dlu, c:p",   
            "pref, 6dlu, top:pref, 25dlu, pref, 6dlu, top:pref")
            
        JPanel panel = new JPanel(layout);
        panel.setBorder(Borders.DIALOG_BORDER);
        CellConstraints cc = new CellConstraints();

        panel.add(new JLabel("4 rows"),           cc.xy(11));
        panel.add(buildVerticalPanel("pref"4),  cc.xy(13));
        
        panel.add(new JLabel("42 dlu"),           cc.xy(31));
        panel.add(buildVerticalPanel("42dlu"4), cc.xy(33));
        
        panel.add(new JLabel("57 px"),            cc.xy(51));
        panel.add(buildVerticalPanel("57px"4),  cc.xy(53));
        
        panel.add(new JLabel("63 px"),            cc.xy(71));
        panel.add(buildVerticalPanel("63px"4),  cc.xy(73));
        
        panel.add(new JLabel("68 px"),            cc.xy(91));
        panel.add(buildVerticalPanel("68px"4),  cc.xy(93));
        

        panel.add(new JLabel("field"),            cc.xy(15));
        panel.add(new JTextField(4),              cc.xy(17));
        
        panel.add(new JLabel("14 dlu"),           cc.xy(35));
        panel.add(buildVerticalPanel("14dlu"),    cc.xy(37));
        
        panel.add(new JLabel("21 px"),            cc.xy(55));
        panel.add(buildVerticalPanel("21px"),     cc.xy(57));
        
        panel.add(new JLabel("23 px"),            cc.xy(75));
        panel.add(buildVerticalPanel("23px"),     cc.xy(77));
        
        panel.add(new JLabel("24 px"),            cc.xy(95));
        panel.add(buildVerticalPanel("24px"),     cc.xy(97));
        
        panel.add(new JLabel("button"),           cc.xy(115));
        panel.add(new JButton("..."),             cc.xy(117));
        
        return panel;
    }
    
    
    
    // Component Creation *****************************************************
    
    private JComponent createTextArea(int rows, int cols) {
        JTextArea area = new JTextArea(rows, cols);
        //area.setText(text);
        return new JScrollPane(area,
                    ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER,
                    ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
    }
    
    // Helper Code ************************************************************
    
    private JComponent buildHorizontalPanel(String width) {
        FormLayout layout = new FormLayout(width, "pref");
        JPanel panel = new JPanel(layout);
        panel.add(new JTextField()new CellConstraints(11));
        return panel;
    }
    
    private JComponent buildHorizontalPanel(int columns) {
        FormLayout layout = new FormLayout("pref, 4dlu, pref""pref");
        JPanel panel = new JPanel(layout);
        CellConstraints cc = new CellConstraints();
        panel.add(new JTextField(columns),                
                  cc.xy(11));
        panel.add(new JLabel("Width of new JTextField(" + columns + ")")
                  cc.xy(31));
        return panel;
    }
    
    private JComponent buildVerticalPanel(String height) {
        return buildVerticalPanel(height, 10);
    }
    
    private JComponent buildVerticalPanel(String height, int rows) {
        FormLayout layout = new FormLayout("pref""fill:"+ height);
        JPanel panel = new JPanel(layout);
        CellConstraints cc = new CellConstraints();
        panel.add(createTextArea(rows, 5), cc.xy(11));
        return panel;
    }
    
    
}


           
       
forms.zip( 197 k)
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