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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * accompanied this code).
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package javax.swing.plaf.synth;

import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyVetoException;

import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JInternalFrame;
import javax.swing.JPopupMenu;
import javax.swing.JToggleButton;
import javax.swing.ToolTipManager;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicDesktopIconUI;


Provides the Synth L&F UI delegate for a minimized internal frame on a desktop.

Author:Joshua Outwater
Since:1.7
/**
 * Provides the Synth L&F UI delegate for a minimized internal frame on a desktop.
 *
 * @author Joshua Outwater
 * @since 1.7
 */
public class SynthDesktopIconUI extends BasicDesktopIconUI
                                implements SynthUI, PropertyChangeListener {
    private SynthStyle style;
    private Handler handler = new Handler();

    
Constructs a SynthDesktopIconUI. 
/**
     *
     * Constructs a {@code SynthDesktopIconUI}.
     */
    public SynthDesktopIconUI() {}

    
Creates a new UI object for the given component.

Params:
  • c – component to create UI object for
Returns:the UI object
/**
     * Creates a new UI object for the given component.
     *
     * @param c component to create UI object for
     * @return the UI object
     */
    public static ComponentUI createUI(JComponent c)    {
        return new SynthDesktopIconUI();
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    protected void installComponents() {
        if (UIManager.getBoolean("InternalFrame.useTaskBar")) {
            @SuppressWarnings("serial") // anonymous class
            JToggleButton tmp = new JToggleButton(frame.getTitle(), frame.getFrameIcon()) {
                @Override public String getToolTipText() {
                    return getText();
                }

                @Override public JPopupMenu getComponentPopupMenu() {
                    return frame.getComponentPopupMenu();
                }
            };
            iconPane = tmp;
            ToolTipManager.sharedInstance().registerComponent(iconPane);
            iconPane.setFont(desktopIcon.getFont());
            iconPane.setBackground(desktopIcon.getBackground());
            iconPane.setForeground(desktopIcon.getForeground());
        } else {
            iconPane = new SynthInternalFrameTitlePane(frame);
            iconPane.setName("InternalFrame.northPane");
        }
        desktopIcon.setLayout(new BorderLayout());
        desktopIcon.add(iconPane, BorderLayout.CENTER);
    }

    @Override
    protected void uninstallComponents() {
        // Uninstall the listeners here because the iconPane will be set to null
        // in the super.uninstallComponents()
        if (iconPane instanceof JToggleButton) {
            ((JToggleButton) iconPane).removeActionListener(handler);
            frame.removePropertyChangeListener(this);
        } else if (iconPane instanceof SynthInternalFrameTitlePane) {
            // Uninstall the listeners added by the  SynthInternalFrameTitlePane
            ((SynthInternalFrameTitlePane) iconPane).uninstallListeners();
        }
        super.uninstallComponents();
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    protected void installListeners() {
        super.installListeners();
        desktopIcon.addPropertyChangeListener(this);

        if (iconPane instanceof JToggleButton) {
            frame.addPropertyChangeListener(this);
            ((JToggleButton)iconPane).addActionListener(handler);
        }
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    protected void uninstallListeners() {
        desktopIcon.removePropertyChangeListener(this);
        super.uninstallListeners();
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    protected void installDefaults() {
        updateStyle(desktopIcon);
    }

    private void updateStyle(JComponent c) {
        SynthContext context = getContext(c, ENABLED);
        style = SynthLookAndFeel.updateStyle(context, this);
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    protected void uninstallDefaults() {
        SynthContext context = getContext(desktopIcon, ENABLED);
        style.uninstallDefaults(context);
        style = null;
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    public SynthContext getContext(JComponent c) {
        return getContext(c, getComponentState(c));
    }

    private SynthContext getContext(JComponent c, int state) {
        return SynthContext.getContext(c, style, state);
    }

    private int getComponentState(JComponent c) {
        return SynthLookAndFeel.getComponentState(c);
    }

    
Notifies this UI delegate to repaint the specified component. This method paints the component background, then calls the paint(SynthContext, Graphics) method. 
In general, this method does not need to be overridden by subclasses. All Look and Feel rendering code should reside in the paint method. 
Params:
  • g – the Graphics object used for painting
  • c – the component being painted
See Also:
/**
     * Notifies this UI delegate to repaint the specified component.
     * This method paints the component background, then calls
     * the {@link #paint(SynthContext,Graphics)} method.
     *
     * <p>In general, this method does not need to be overridden by subclasses.
     * All Look and Feel rendering code should reside in the {@code paint} method.
     *
     * @param g the {@code Graphics} object used for painting
     * @param c the component being painted
     * @see #paint(SynthContext,Graphics)
     */
    @Override
    public void update(Graphics g, JComponent c) {
        SynthContext context = getContext(c);

        SynthLookAndFeel.update(context, g);
        context.getPainter().paintDesktopIconBackground(context, g, 0, 0,
                                                  c.getWidth(), c.getHeight());
        paint(context, g);
    }

    
Paints the specified component according to the Look and Feel.

This method is not used by Synth Look and Feel. Painting is handled by the paint(SynthContext, Graphics) method. 
Params:
  • g – the Graphics object used for painting
  • c – the component being painted
See Also:
/**
     * Paints the specified component according to the Look and Feel.
     * <p>This method is not used by Synth Look and Feel.
     * Painting is handled by the {@link #paint(SynthContext,Graphics)} method.
     *
     * @param g the {@code Graphics} object used for painting
     * @param c the component being painted
     * @see #paint(SynthContext,Graphics)
     */
    @Override
    public void paint(Graphics g, JComponent c) {
        SynthContext context = getContext(c);

        paint(context, g);
    }

    
Paints the specified component. This implementation does nothing.

Params:
  • context – context for the component being painted
  • g – the Graphics object used for painting
See Also:
/**
     * Paints the specified component. This implementation does nothing.
     *
     * @param context context for the component being painted
     * @param g the {@code Graphics} object used for painting
     * @see #update(Graphics,JComponent)
     */
    protected void paint(SynthContext context, Graphics g) {
    }

    
{@inheritDoc}

/**
     * {@inheritDoc}
     */
    @Override
    public void paintBorder(SynthContext context, Graphics g, int x,
                            int y, int w, int h) {
        context.getPainter().paintDesktopIconBorder(context, g, x, y, w, h);
    }

    public void propertyChange(PropertyChangeEvent evt) {
        if (evt.getSource() instanceof JInternalFrame.JDesktopIcon) {
            if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
                updateStyle((JInternalFrame.JDesktopIcon)evt.getSource());
            }
        } else if (evt.getSource() instanceof JInternalFrame) {
            JInternalFrame frame = (JInternalFrame)evt.getSource();
            if (iconPane instanceof JToggleButton) {
                JToggleButton button = (JToggleButton)iconPane;
                String prop = evt.getPropertyName();
                if (prop == "title") {
                    button.setText((String)evt.getNewValue());
                } else if (prop == "frameIcon") {
                    button.setIcon((Icon)evt.getNewValue());
                } else if (prop == JInternalFrame.IS_ICON_PROPERTY ||
                           prop == JInternalFrame.IS_SELECTED_PROPERTY) {
                    button.setSelected(!frame.isIcon() && frame.isSelected());
                }
            }
        }
    }

    private final class Handler implements ActionListener {
        public void actionPerformed(ActionEvent evt) {
            if (evt.getSource() instanceof JToggleButton) {
                // Either iconify the frame or deiconify and activate it.
                JToggleButton button = (JToggleButton)evt.getSource();
                try {
                    boolean selected = button.isSelected();
                    if (!selected && !frame.isIconifiable()) {
                        button.setSelected(true);
                    } else {
                        frame.setIcon(!selected);
                        if (selected) {
                            frame.setSelected(true);
                        }
                    }
                } catch (PropertyVetoException e2) {
                }
            }
        }
    }
}