Examples of javax.swing.plaf.basic.BasicComboPopup

javax.swing.plaf.basic.BasicComboPopup
This is a basic implementation of the ComboPopup interface. This class represents the ui for the popup portion of the combo box.
All event handling is handled by listener classes created with the createxxxListener() methods and internal classes. You can change the behavior of this class by overriding the createxxxListener() methods and supplying your own event listeners or subclassing from the ones supplied in this class.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @author Tom Santos @author Mark Davidson

        StyleConstants.setItalic(resultStyle, true);
        StyleConstants.setForeground(resultStyle, new Color(0x20, 0x4a, 0x87));
        
        completeCombo = new JComboBox();
        completeCombo.setRenderer(new DefaultListCellRenderer()); // no silly ticks!
        completePopup = new BasicComboPopup(completeCombo);
        
        if (message != null) {
            final MutableAttributeSet messageStyle = new SimpleAttributeSet();
            StyleConstants.setBackground(messageStyle, area.getForeground());
            StyleConstants.setForeground(messageStyle, area.getBackground());

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import com.jgoodies.looks.plastic.PlasticComboBoxUI;


public class SteppedComboBoxUI extends PlasticComboBoxUI {
  @Override
  protected ComboPopup createPopup() {
    BasicComboPopup popup = new BasicComboPopup(comboBox) {


      /**
       * 
       */
      private static final long serialVersionUID = 1L;


      @Override
      public void show() {
        Dimension popupSize = ((SteppedComboBox) comboBox).getPopupSize();
        popupSize.setSize(popupSize.width, getPopupHeightForRowCount(comboBox.getMaximumRowCount()));
        Rectangle popupBounds = computePopupBounds(0, comboBox.getBounds().height, popupSize.width, popupSize.height);
        scroller.setMaximumSize(popupBounds.getSize());
        scroller.setPreferredSize(popupBounds.getSize());
        scroller.setMinimumSize(popupBounds.getSize());
        list.invalidate();
        int selectedIndex = comboBox.getSelectedIndex();
        if (selectedIndex == -1) {
          list.clearSelection();
        } else {
          list.setSelectedIndex(selectedIndex);
        }
        list.ensureIndexIsVisible(list.getSelectedIndex());
        setLightWeightPopupEnabled(comboBox.isLightWeightPopupEnabled());


        show(comboBox, popupBounds.x, popupBounds.y);
      }
    };
    popup.getAccessibleContext().setAccessibleParent(comboBox);
    return popup;
  }

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                .createLayoutManager());
    }


    public void testGetMinimumSize() throws Exception {
        ui.setComboBox(comboBox);
        ComboPopup popup = new BasicComboPopup(comboBox);
        ui.setPopup(popup);
        ui.setListBox(popup.getList());
        ui.installListeners();
        comboBox.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        Dimension listPart = new BasicComboBoxRenderer().getListCellRendererComponent(
                popup.getList(), "", -1, false, false).getPreferredSize();
        Dimension expectedSize = new Dimension(listPart.width + listPart.height + 8,
                listPart.height + 8);
        assertEquals(expectedSize, ui.getMinimumSize(null));
        assertEquals(expectedSize, ui.getCachedMinimumSize());
        ui.setCachedMinimumSize(new Dimension(100, 100));
        assertEquals(ui.getCachedMinimumSize(), ui.getMinimumSize(null));
        comboBox.addItem("aaa");
        listPart = new BasicComboBoxRenderer().getListCellRendererComponent(popup.getList(),
                "aaa", -1, false, false).getPreferredSize();
        expectedSize = new Dimension(listPart.width + listPart.height + 8, listPart.height + 8);
        assertEquals(expectedSize, ui.getMinimumSize(null));
    }

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        StyleConstants.setItalic(resultStyle, true);
        StyleConstants.setForeground(resultStyle, new Color(0x20, 0x4a, 0x87));
        
        completeCombo = new JComboBox();
        completeCombo.setRenderer(new DefaultListCellRenderer()); // no silly ticks!
        completePopup = new BasicComboPopup(completeCombo);
        
        if (message != null) {
            final MutableAttributeSet messageStyle = new SimpleAttributeSet();
            StyleConstants.setBackground(messageStyle, area.getForeground());
            StyleConstants.setForeground(messageStyle, area.getBackground());

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    @Test
    public void testEventsGetFiredOnSetText() {
        MessageList events = new MessageList();
        MockComponentListener listener = new MockComponentListener(events, "popup");
        BasicComboPopup popup = (BasicComboPopup) dialog.getComboBox().getAccessibleContext().getAccessibleChild(0);
        popup.getList().addFocusListener(listener);
        popup.getList().addMouseListener(listener);
        assertEquals("a", mComboBox.getText());
        events.assertEmpty();
        mComboBox.setText("b");
        events.assertNextMessageInList("popup:mouseEntered");
        events.assertNextMessageInList("popup:mousePressed");

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        StyleConstants.setItalic(resultStyle, true);
        StyleConstants.setForeground(resultStyle, new Color(0x20, 0x4a, 0x87));
        
        completeCombo = new JComboBox();
        completeCombo.setRenderer(new DefaultListCellRenderer()); // no silly ticks!
        completePopup = new BasicComboPopup(completeCombo);
        
        if (message != null) {
            final MutableAttributeSet messageStyle = new SimpleAttributeSet();
            StyleConstants.setBackground(messageStyle, area.getForeground());
            StyleConstants.setForeground(messageStyle, area.getBackground());

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 * @author Vicky C
 */


class SteppedComboBoxUI extends MetalComboBoxUI {
  protected ComboPopup createPopup() {
    BasicComboPopup popup = new BasicComboPopup(comboBox) {


            @Override
      public void show() {
        Dimension popupSize = ((SteppedComboBox) comboBox)
            .getPopupSize();
        popupSize
            .setSize(popupSize.width,
                getPopupHeightForRowCount(comboBox
                    .getMaximumRowCount()));
        Rectangle popupBounds = computePopupBounds(0, comboBox
            .getBounds().height, popupSize.width, popupSize.height);
        scroller.setMaximumSize(popupBounds.getSize());
        scroller.setPreferredSize(popupBounds.getSize());
        scroller.setMinimumSize(popupBounds.getSize());
        list.invalidate();
        int selectedIndex = comboBox.getSelectedIndex();
        if (selectedIndex == -1) {
          list.clearSelection();
        } else {
          list.setSelectedIndex(selectedIndex);
        }
        list.ensureIndexIsVisible(list.getSelectedIndex());
        setLightWeightPopupEnabled(comboBox.isLightWeightPopupEnabled());


        show(comboBox, popupBounds.x, popupBounds.y);
      }
    };
    popup.getAccessibleContext().setAccessibleParent(comboBox);
    return popup;
  }

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                .createLayoutManager());
    }


    public void testGetMinimumSize() throws Exception {
        ui.setComboBox(comboBox);
        ComboPopup popup = new BasicComboPopup(comboBox);
        ui.setPopup(popup);
        ui.setListBox(popup.getList());
        ui.installListeners();
        comboBox.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
        Dimension listPart = new BasicComboBoxRenderer().getListCellRendererComponent(
                popup.getList(), "", -1, false, false).getPreferredSize();
        Dimension expectedSize = new Dimension(listPart.width + listPart.height + 8,
                listPart.height + 8);
        assertEquals(expectedSize, ui.getMinimumSize(null));
        assertEquals(expectedSize, ui.getCachedMinimumSize());
        ui.setCachedMinimumSize(new Dimension(100, 100));
        assertEquals(ui.getCachedMinimumSize(), ui.getMinimumSize(null));
        comboBox.addItem("aaa");
        listPart = new BasicComboBoxRenderer().getListCellRendererComponent(popup.getList(),
                "aaa", -1, false, false).getPreferredSize();
        expectedSize = new Dimension(listPart.width + listPart.height + 8, listPart.height + 8);
        assertEquals(expectedSize, ui.getMinimumSize(null));
    }

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     * {@inheritDoc}
     */
    @Override
    protected ComboPopup createPopup ()
    {
        return new BasicComboPopup ( comboBox )
        {
            @Override
            protected JScrollPane createScroller ()
            {
                final JScrollPane scroll = super.createScroller ();

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    });


        creatorAddressCombo.setPopupVisible(false);


        Object child = creatorAddressCombo.getAccessibleContext().getAccessibleChild(0);
        BasicComboPopup popup = (BasicComboPopup)child;


        JList list = popup.getList();
        list.setSelectionBackground(Color.cyan);
        list.setBorder(null);


    for (int i = 0; i < creatorAddressCombo.getComponentCount(); i++) {
            if (creatorAddressCombo.getComponent(i) instanceof CellRendererPane) {

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