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/*
* (c) Copyright 2005-2008 by Volker Bergmann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is permitted under the terms of the
* GNU General Public License.
*
* For redistributing this software or a derivative work under a license other
* than the GPL-compatible Free Software License as defined by the Free
* Software Foundation or approved by OSI, you must first obtain a commercial
* license to this software product from Volker Bergmann.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
* REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
* HEREBY EXCLUDED. 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 org.databene.gui.swing;
import javax.swing.*;
import java.awt.*;
/**
* A panel that allows for easy component aligning by an underlying {@link GridBagLayout}.
*
* Created: 20.03.2005 11:19:06
* @since 0.1.6
* @author Volker Bergmann
*/
public class AlignedPane extends JPanel implements SwingConstants {
private static final long serialVersionUID = -5911452561809191394L;
private int orientation;
private GridBagConstraints gbc;
private int columns;
public static AlignedPane createHorizontalPane() {
return new AlignedPane(HORIZONTAL, 0);
}
public static AlignedPane createVerticalPane() {
return createVerticalPane(2);
}
public static AlignedPane createVerticalPane(int columns) {
return new AlignedPane(VERTICAL, columns);
}
protected AlignedPane() {
this(VERTICAL, 2);
}
protected AlignedPane(int orientation, int columns) {
this.columns = columns;
this.orientation = orientation;
if (orientation == VERTICAL) {
setLayout(new GridBagLayout());
gbc = new GridBagConstraints(
0, 0, 1, 1, 0, 0,
GridBagConstraints.NORTHWEST, GridBagConstraints.BOTH,
new Insets(2, 2, 2, 2), 2, 2);
} else if (orientation == HORIZONTAL)
setLayout(new FlowLayout());
else
throw new IllegalArgumentException();
}
// interface -------------------------------------------------------------------------------------------------------
public void addElement(String title, Component component) {
addElement(title, component, 1);
}
public void addElement(String title, Component component, int gridwidth) {
JLabel label = new JLabel(title);
if (orientation == HORIZONTAL) {
add(label);
add(component);
} else {
if (gbc.gridx > 0)
label.setHorizontalAlignment(RIGHT);
addElement(label, 1);
addElement(component, gridwidth);
}
}
public void addElement(Component component) {
addElement(component, 1);
}
public void addElement(Component component, int gridwidth) {
if (orientation == HORIZONTAL)
add(component);
else {
gbc.weightx = (component instanceof JLabel ? 0 : 1);
gbc.weighty = (component instanceof JTextArea ? 1 : 0);
gbc.gridwidth = gridwidth;
add(component, gbc);
gbc.gridx += gridwidth;
}
}
public void endRow() {
if (orientation == VERTICAL && gbc.gridx > 0)
newRow();
}
private void newRow() {
gbc.gridy++;
gbc.gridx = 0;
}
public void addRow(String title, Component component) {
JLabel label = new JLabel(title);
if (orientation == HORIZONTAL) {
add(label);
add(component);
} else {
endRow();
addElement(title, component, columns - 1);
endRow();
}
}
public void addRow(Component component) {
if (orientation == HORIZONTAL) {
add(component, gbc);
gbc.gridx++;
} else {
endRow();
gbc.weightx = 1;
gbc.weighty = (component instanceof JTextArea ? 1 : 0);
gbc.gridwidth = columns;
add(component, gbc);
newRow();
}
}
public void addTallRow(Component component) {
if (orientation == HORIZONTAL) {
add(component);
} else {
endRow();
gbc.weightx = 1;
gbc.weighty = 1;
gbc.gridwidth = columns;
add(component, gbc);
newRow();
}
}
public void addSeparator() {
addLabelRow(" ");
}
public void addLabelRow(String text) {
addRow(new JLabel(text));
}
}
