How FormLayout applies the default column and
/*
* 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,
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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import javax.swing.*;
import com.jgoodies.forms.factories.Borders;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;
/**
* Demonstrates how FormLayout applies the default column and row
* alignments to cells, and how to override the defaults.
*
* @author Karsten Lentzsch
* @version $Revision: 1.9 $
*/
public class CellAlignmentExample {
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 :: Cell Alignments");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
JComponent panel = new CellAlignmentExample().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(buildHorizontalPanel(), "Horizontal");
tabbedPane.add(buildVerticalPanel(), "Vertical");
return tabbedPane;
}
private JComponent buildHorizontalPanel() {
FormLayout layout = new FormLayout(
"r:p, 4dlu, left:pref:g, center:pref:g, right:pref:g, pref:g",
"pref, 8dlu, pref, pref, pref, pref, pref");
JPanel panel = new JPanel(layout);
panel.setBorder(Borders.DIALOG_BORDER);
panel.add(new JLabel("Column Spec: "), "1, 1, r, c");
panel.add(new JLabel(" \"left:pref:grow\" "), "3, 1, c, c");
panel.add(new JLabel(" \"center:pref:grow\" "), "4, 1, c, c");
panel.add(new JLabel(" \"right:pref:grow\" "), "5, 1, c, c");
panel.add(new JLabel(" \"pref:grow\" "), "6, 1, c, c");
int row = 3;
addHorizontalButton(panel, 3, row, CellConstraints.DEFAULT);
addHorizontalButton(panel, 4, row, CellConstraints.DEFAULT);
addHorizontalButton(panel, 5, row, CellConstraints.DEFAULT);
addHorizontalButton(panel, 6, row, CellConstraints.DEFAULT);
row++;
addHorizontalButton(panel, 3, row, CellConstraints.FILL);
addHorizontalButton(panel, 4, row, CellConstraints.FILL);
addHorizontalButton(panel, 5, row, CellConstraints.FILL);
addHorizontalButton(panel, 6, row, CellConstraints.FILL);
row++;
addHorizontalButton(panel, 3, row, CellConstraints.LEFT);
addHorizontalButton(panel, 4, row, CellConstraints.LEFT);
addHorizontalButton(panel, 5, row, CellConstraints.LEFT);
addHorizontalButton(panel, 6, row, CellConstraints.LEFT);
row++;
addHorizontalButton(panel, 3, row, CellConstraints.CENTER);
addHorizontalButton(panel, 4, row, CellConstraints.CENTER);
addHorizontalButton(panel, 5, row, CellConstraints.CENTER);
addHorizontalButton(panel, 6, row, CellConstraints.CENTER);
row++;
addHorizontalButton(panel, 3, row, CellConstraints.RIGHT);
addHorizontalButton(panel, 4, row, CellConstraints.RIGHT);
addHorizontalButton(panel, 5, row, CellConstraints.RIGHT);
addHorizontalButton(panel, 6, row, CellConstraints.RIGHT);
return panel;
}
private JComponent buildVerticalPanel() {
FormLayout layout = new FormLayout(
"left:pref, 8dlu, p, c:p, p, p, p",
"p, 4dlu, top:pref:g, center:pref:g, bottom:pref:g, pref:g");
layout.setColumnGroups(new int[][] {{3, 5, 6, 7}});
JPanel panel = new JPanel(layout);
panel.setBorder(Borders.DIALOG_BORDER);
panel.add(new JLabel("Row Spec:"), "1, 1, r, c");
panel.add(new JLabel("\"top:pref:grow\""), "1, 3, r, c");
panel.add(new JLabel("\"center:pref:grow\""), "1, 4, r, c");
panel.add(new JLabel("\"bottom:pref:grow\""), "1, 5, r, c");
panel.add(new JLabel("\"pref:grow\""), "1, 6, r, c");
int col = 3;
addVerticalButton(panel, col, 3, CellConstraints.DEFAULT);
addVerticalButton(panel, col, 4, CellConstraints.DEFAULT);
addVerticalButton(panel, col, 5, CellConstraints.DEFAULT);
addVerticalButton(panel, col, 6, CellConstraints.DEFAULT);
col++;
addVerticalButton(panel, col, 3, CellConstraints.FILL);
addVerticalButton(panel, col, 4, CellConstraints.FILL);
addVerticalButton(panel, col, 5, CellConstraints.FILL);
addVerticalButton(panel, col, 6, CellConstraints.FILL);
col++;
addVerticalButton(panel, col, 3, CellConstraints.TOP);
addVerticalButton(panel, col, 4, CellConstraints.TOP);
addVerticalButton(panel, col, 5, CellConstraints.TOP);
addVerticalButton(panel, col, 6, CellConstraints.TOP);
col++;
addVerticalButton(panel, col, 3, CellConstraints.CENTER);
addVerticalButton(panel, col, 4, CellConstraints.CENTER);
addVerticalButton(panel, col, 5, CellConstraints.CENTER);
addVerticalButton(panel, col, 6, CellConstraints.CENTER);
col++;
addVerticalButton(panel, col, 3, CellConstraints.BOTTOM);
addVerticalButton(panel, col, 4, CellConstraints.BOTTOM);
addVerticalButton(panel, col, 5, CellConstraints.BOTTOM);
addVerticalButton(panel, col, 6, CellConstraints.BOTTOM);
return panel;
}
private void addHorizontalButton(JPanel panel, int col, int row,
CellConstraints.Alignment hAlignment) {
JButton button = new JButton(hAlignment.toString());
panel.add(button, new CellConstraints(col, row,
hAlignment,
CellConstraints.DEFAULT));
}
private void addVerticalButton(JPanel panel, int col, int row,
CellConstraints.Alignment vAlignment) {
JButton button = new JButton(vAlignment.toString());
panel.add(button, new CellConstraints(col, row,
CellConstraints.DEFAULT,
vAlignment));
}
}
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