filebot/source/net/sourceforge/tuned/ui/TunedUtilities.java

210 lines
5.3 KiB
Java

package net.sourceforge.tuned.ui;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Point;
import java.awt.Window;
import java.awt.dnd.DnDConstants;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.event.MouseInputListener;
import javax.swing.plaf.basic.BasicTableUI;
import javax.swing.text.JTextComponent;
import javax.swing.undo.UndoManager;
public final class TunedUtilities {
public static final Color TRANSLUCENT = new Color(255, 255, 255, 0);
public static void checkEventDispatchThread() {
if (!SwingUtilities.isEventDispatchThread()) {
throw new IllegalStateException("Method must be accessed from the Swing Event Dispatch Thread, but was called on Thread \"" + Thread.currentThread().getName() + "\"");
}
}
public static Color derive(Color color, float alpha) {
return new Color(((int) ((alpha * 255)) << 24) | (color.getRGB() & 0x00FFFFFF), true);
}
public static JButton createImageButton(Action action) {
JButton button = new JButton(action);
button.setHideActionText(true);
button.setOpaque(false);
return button;
}
public static void installAction(JComponent component, KeyStroke keystroke, Action action) {
Object key = action.getValue(Action.NAME);
if (key == null)
throw new IllegalArgumentException("Action must have a name");
component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(keystroke, key);
component.getActionMap().put(key, action);
}
public static UndoManager installUndoSupport(JTextComponent component) {
final UndoManager undoSupport = new UndoManager();
// install undo listener
component.getDocument().addUndoableEditListener(undoSupport);
// install undo action
installAction(component, KeyStroke.getKeyStroke("control Z"), new AbstractAction("Undo") {
@Override
public void actionPerformed(ActionEvent e) {
if (undoSupport.canUndo())
undoSupport.undo();
}
});
// install redo action
installAction(component, KeyStroke.getKeyStroke("control Y"), new AbstractAction("Redo") {
@Override
public void actionPerformed(ActionEvent e) {
if (undoSupport.canRedo())
undoSupport.redo();
}
});
return undoSupport;
}
public static boolean isMaximized(Frame frame) {
return (frame.getExtendedState() & Frame.MAXIMIZED_BOTH) != 0;
}
public static Window getWindow(Object component) {
if (component instanceof Window)
return (Window) component;
if (component instanceof Component)
return SwingUtilities.getWindowAncestor((Component) component);
return null;
}
public static Point getOffsetLocation(Window owner) {
if (owner == null) {
Window[] toplevel = Window.getOwnerlessWindows();
if (toplevel.length == 0)
return new Point(120, 80);
// assume first top-level window as point of reference
owner = toplevel[0];
}
Point p = owner.getLocation();
Dimension d = owner.getSize();
return new Point(p.x + d.width / 4, p.y + d.height / 7);
}
public static Image getImage(Icon icon) {
if (icon == null)
return null;
if (icon instanceof ImageIcon)
return ((ImageIcon) icon).getImage();
// draw icon into a new image
BufferedImage image = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = image.createGraphics();
icon.paintIcon(null, g2d, 0, 0);
g2d.dispose();
return image;
}
public static Dimension getDimension(Icon icon) {
return new Dimension(icon.getIconWidth(), icon.getIconHeight());
}
public static Timer invokeLater(int delay, final Runnable runnable) {
Timer timer = new Timer(delay, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
runnable.run();
}
});
timer.setRepeats(false);
timer.start();
return timer;
}
/**
* When trying to drag a row of a multi-select JTable, it will start selecting rows instead
* of initiating a drag. This TableUI will give the JTable proper dnd behaviour.
*/
public static class DragDropRowTableUI extends BasicTableUI {
@Override
protected MouseInputListener createMouseInputListener() {
return new DragDropRowMouseInputHandler();
}
protected class DragDropRowMouseInputHandler extends MouseInputHandler {
@Override
public void mouseDragged(MouseEvent e) {
// Only do special handling if we are drag enabled with multiple selection
if (table.getDragEnabled() && table.getSelectionModel().getSelectionMode() == ListSelectionModel.MULTIPLE_INTERVAL_SELECTION) {
table.getTransferHandler().exportAsDrag(table, e, DnDConstants.ACTION_COPY);
} else {
super.mouseDragged(e);
}
}
}
}
/**
* Dummy constructor to prevent instantiation.
*/
private TunedUtilities() {
throw new UnsupportedOperationException();
}
}