(转)
package comboBox;
import java.awt.Dimension;
import java.util.Vector;
import javax.swing.ComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JFrame;
public class WideComboBox extends JComboBox {
public WideComboBox() {
}
public WideComboBox(final Object items[]) {
super(items);
}
public WideComboBox(Vector items) {
super(items);
}
public WideComboBox(ComboBoxModel aModel) {
super(aModel);
}
private boolean layingOut = false;
public void doLayout() {
try {
layingOut = true;
super.doLayout();
} finally {
layingOut = false;
}
}
public Dimension getSize() {
Dimension dim = super.getSize();
if (!layingOut)
dim.width = Math.max(dim.width, getPreferredSize().width);
return dim;
}
public static void main(String[] args) {
JFrame jf = new JFrame();
WideComboBox wc = new WideComboBox(new String[] { "11111111111111",
"22222222222222", "333" });
jf.getContentPane().add(wc);
jf.setVisible(true);
}
}
posted on 2007-04-11 14:08
aaabbb 阅读(522)
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Swing