Mega Code Archive
Label alignment
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import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GridLayout;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class AlignLabels extends JPanel {
JLabel[] labels = new JLabel[9];
public AlignLabels() {
JLabel label;
setLayout(new GridLayout(3, 3));
label = createLabel("NW alignment");
setNWalignment(label);
label.setEnabled(false);
labels[0] = label;
label = createLabel("N alignment");
setNalignment(label);
labels[1] = label;
label = createLabel("NE alignment");
setNEalignment(label);
labels[2] = label;
label = createLabel("W alignment");
label.setText("<html><i>html based<br></i><font color=blue>W alignment</font>");
setWalignment(label);
labels[3] = label;
label = createLabel("C alignment");
setCalignment(label);
label.setEnabled(false);
labels[4] = label;
label = createLabel("E alignment");
setEalignment(label);
labels[5] = label;
label = createLabel("SW alignment");
setSWalignment(label);
labels[6] = label;
label = createLabel("S alignment");
setSalignment(label);
labels[7] = label;
label = createLabel("SE alignment");
setSEalignment(label);
label.setEnabled(false);
labels[8] = label;
}
public static void main(String[] a) {
JFrame mainFrame = new JFrame();
mainFrame.getContentPane().add(new AlignLabels());
mainFrame.setSize(500,500);
mainFrame.setVisible(true);
}
JLabel[] getLabels() {
return labels;
}
JLabel createLabel(String text) {
String separator = System.getProperty("line.separator");
JLabel label = new JLabel(text + separator + "multiline" + separator
+ "label");
label.setToolTipText(text + "\n\ndoubled space\n\ntooltip");
label.setBorder(BorderFactory.createEtchedBorder());
this.add(label);
label.setPreferredSize(new Dimension(125, 125));
return label;
}
void setNWalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.LEFT);
b.setVerticalAlignment(JLabel.TOP);
}
void setNalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.CENTER);
b.setVerticalAlignment(JLabel.TOP);
}
void setNEalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.RIGHT);
b.setVerticalAlignment(JLabel.TOP);
}
void setWalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.LEFT);
b.setVerticalAlignment(JLabel.CENTER);
}
void setCalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.CENTER);
b.setVerticalAlignment(JLabel.CENTER);
}
void setEalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.RIGHT);
b.setVerticalAlignment(JLabel.CENTER);
}
void setSWalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.LEFT);
b.setVerticalAlignment(JLabel.BOTTOM);
}
void setSalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.CENTER);
b.setVerticalAlignment(JLabel.BOTTOM);
}
void setSEalignment(JLabel b) {
b.setHorizontalAlignment(JLabel.RIGHT);
b.setVerticalAlignment(JLabel.BOTTOM);
}
}
class ColoredSquare implements Icon {
Color color;
public ColoredSquare(Color color) {
this.color = color;
}
public void paintIcon(Component c, Graphics g, int x, int y) {
Color oldColor = g.getColor();
g.setColor(color);
g.fill3DRect(x, y, getIconWidth(), getIconHeight(), true);
g.setColor(oldColor);
}
public int getIconWidth() {
return 12;
}
public int getIconHeight() {
return 12;
}
}
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