Revision 2010 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.swing/org.gvsig.tools.swing.impl/src/main/java/org/gvsig/tools/swing/impl/DropDownLabel.java
| DropDownLabel.java | ||
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package org.gvsig.tools.swing.impl; |
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import java.awt.BorderLayout; |
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import java.awt.Color; |
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import java.awt.Cursor; |
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import java.awt.Point; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ItemListener; |
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import java.awt.event.MouseAdapter; |
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import java.awt.event.MouseEvent; |
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import java.lang.reflect.Method; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Objects; |
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import java.util.Set; |
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import javax.swing.AbstractButton; |
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import javax.swing.ComboBoxModel; |
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import javax.swing.ImageIcon; |
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import javax.swing.JComponent; |
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* |
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* @author jjdelcerro |
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*/ |
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@SuppressWarnings("UseSpecificCatch")
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public class DropDownLabel implements DropDown {
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private final JLabel label;
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private final JComponent component;
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private final Set<ItemListener> itemListeners; |
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private ComboBoxModel model; |
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private int selectedIndex; |
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private JPopupMenu popup; |
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private List<ImageIcon>icons; |
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private boolean readonly = false; |
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private final JLabel arrow; |
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public DropDownLabel(final JLabel label) {
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this.label = label; |
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private final JLabel arrow; |
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private Color disabledForeground = null; |
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private Color enabledForeground = null; |
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public DropDownLabel(final JComponent component) {
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this.component = component; |
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this.itemListeners = new HashSet<>(); |
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this.label.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
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this.label.addMouseListener(new MouseAdapter() {
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this.component.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
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this.component.addMouseListener(new MouseAdapter() {
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@Override |
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public void mouseClicked(MouseEvent e) {
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doShowPopup(); |
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} |
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}); |
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this.icons=null; |
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this.label.setLayout(new BorderLayout(2,0));
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this.component.setLayout(new BorderLayout(2,0));
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// http://www.unicode.org/charts/PDF/U25A0.pdf |
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this.arrow = new JLabel("\u25BE");
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this.label.add(arrow, BorderLayout.EAST);
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this.component.add(arrow, BorderLayout.EAST);
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this.arrow.setVisible(false); |
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this.arrow.addMouseListener(new MouseAdapter() {
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@Override |
| ... | ... | |
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@Override |
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public JComponent asJComponent() {
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return this.label;
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return this.component;
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} |
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@Override |
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@Override |
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public void setReadOnly(boolean readOnly) {
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if( disabledForeground == null ) {
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disabledForeground = UIManager.getColor("Label.disabledForeground");
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enabledForeground = UIManager.getColor("Label.foreground");
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if( this.component instanceof AbstractButton ) {
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disabledForeground = UIManager.getColor("Button.disabledText");
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enabledForeground = UIManager.getColor("Button.foreground");
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} |
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} |
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this.readonly = readOnly; |
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if( readOnly ) {
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label.setForeground(UIManager.getColor("Label.disabledForeground"));
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component.setForeground(disabledForeground);
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} else {
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label.setForeground(UIManager.getColor("Label.foreground"));
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component.setForeground(enabledForeground);
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} |
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} |
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@Override |
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public void setEnabled(boolean enabled) {
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this.label.setEnabled(enabled);
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this.component.setEnabled(enabled);
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this.arrow.setEnabled(enabled); |
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} |
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for (int i = 0; i < model.getSize(); i++) {
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this.popup.add(this.createItem(i)); |
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} |
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Point p = label.getLocationOnScreen();
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popup.show(label, 0, label.getHeight());
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Point p = component.getLocationOnScreen();
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popup.show(component, 0, component.getHeight());
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} |
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@Override |
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} |
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String value=null; |
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if( i<0 ) {
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this.label.setToolTipText(null);
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this.component.setToolTipText(null);
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} else {
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value = Objects.toString(this.model.getElementAt(i), ""); |
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this.label.setToolTipText(value);
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this.component.setToolTipText(value);
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} |
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if( StringUtils.isBlank(value) ) {
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value = " "; |
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} |
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this.label.setText(value);
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this.setText(value); |
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this.selectedIndex = i; |
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} |
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@Override |
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private void setText(String s) {
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if( this.component instanceof JLabel ) {
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((JLabel)this.component).setText(s); |
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} else if( this.component instanceof AbstractButton ) {
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((AbstractButton)this.component).setText(s); |
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} else {
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try {
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Class<? extends JComponent> theClass = this.component.getClass(); |
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Method method = theClass.getMethod("setText", String.class);
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method.invoke(this.component, s); |
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} catch(Throwable th) {
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// Ignore |
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} |
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} |
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} |
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@Override |
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public Object getSelectedItem() {
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if( model == null ) {
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return null; |
Also available in: Unified diff