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
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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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(1, 1));
panel.add(buildVerticalPanel("72pt"), cc.xy(1, 3));
panel.add(new JLabel("25.4 mm"), cc.xy(3, 1));
panel.add(buildVerticalPanel("25.4mm"), cc.xy(3, 3));
panel.add(new JLabel("2.54 cm"), cc.xy(5, 1));
panel.add(buildVerticalPanel("2.54cm"), cc.xy(5, 3));
panel.add(new JLabel("1 in"), cc.xy(7, 1));
panel.add(buildVerticalPanel("1in"), cc.xy(7, 3));
panel.add(new JLabel("72 px"), cc.xy(9, 1));
panel.add(buildVerticalPanel("72px"), cc.xy(9, 3));
panel.add(new JLabel("96 px"), cc.xy(11, 1));
panel.add(buildVerticalPanel("96px"), cc.xy(11, 3));
panel.add(new JLabel("120 px"), cc.xy(13, 1));
panel.add(buildVerticalPanel("120px"), cc.xy(13, 3));
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(1, 1));
panel.add(buildVerticalPanel("pref", 4), cc.xy(1, 3));
panel.add(new JLabel("42 dlu"), cc.xy(3, 1));
panel.add(buildVerticalPanel("42dlu", 4), cc.xy(3, 3));
panel.add(new JLabel("57 px"), cc.xy(5, 1));
panel.add(buildVerticalPanel("57px", 4), cc.xy(5, 3));
panel.add(new JLabel("63 px"), cc.xy(7, 1));
panel.add(buildVerticalPanel("63px", 4), cc.xy(7, 3));
panel.add(new JLabel("68 px"), cc.xy(9, 1));
panel.add(buildVerticalPanel("68px", 4), cc.xy(9, 3));
panel.add(new JLabel("field"), cc.xy(1, 5));
panel.add(new JTextField(4), cc.xy(1, 7));
panel.add(new JLabel("14 dlu"), cc.xy(3, 5));
panel.add(buildVerticalPanel("14dlu"), cc.xy(3, 7));
panel.add(new JLabel("21 px"), cc.xy(5, 5));
panel.add(buildVerticalPanel("21px"), cc.xy(5, 7));
panel.add(new JLabel("23 px"), cc.xy(7, 5));
panel.add(buildVerticalPanel("23px"), cc.xy(7, 7));
panel.add(new JLabel("24 px"), cc.xy(9, 5));
panel.add(buildVerticalPanel("24px"), cc.xy(9, 7));
panel.add(new JLabel("button"), cc.xy(11, 5));
panel.add(new JButton("..."), cc.xy(11, 7));
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(1, 1));
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(1, 1));
panel.add(new JLabel("Width of new JTextField(" + columns + ")"),
cc.xy(3, 1));
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(1, 1));
return panel;
}
}
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