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filebot/source/net/filebot/util/ui/SwingUI.java
Reinhard Pointner 1a4f1a5966 refactor
2016-02-06 18:34:47 +00:00

385 lines
11 KiB
Java

package net.filebot.util.ui;
import static java.util.Collections.*;
import static javax.swing.JOptionPane.*;
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.KeyEvent;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.function.Consumer;
import java.util.regex.Pattern;
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.JOptionPane;
import javax.swing.KeyStroke;
import javax.swing.ListSelectionModel;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
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;
import net.filebot.Settings;
public final class SwingUI {
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 void runOnEventDispatchThread(Runnable r) {
if (SwingUtilities.isEventDispatchThread()) {
r.run();
} else {
try {
SwingUtilities.invokeAndWait(r);
} catch (InvocationTargetException | InterruptedException e) {
throw new RuntimeException(e);
}
}
}
public static final Color TRANSLUCENT = new Color(255, 255, 255, 0);
public static Color interpolateHSB(Color c1, Color c2, float f) {
float[] hsb1 = Color.RGBtoHSB(c1.getRed(), c1.getGreen(), c1.getBlue(), null);
float[] hsb2 = Color.RGBtoHSB(c2.getRed(), c2.getGreen(), c2.getBlue(), null);
float[] hsb = new float[3];
for (int i = 0; i < hsb.length; i++) {
hsb[i] = hsb1[i] + ((hsb2[i] - hsb1[i]) * f);
}
return Color.getHSBColor(hsb[0], hsb[1], hsb[2]);
}
public static String escapeHTML(String s) {
char[] sc = new char[] { '&', '<', '>', '"', '\'' };
for (char c : sc) {
s = s.replace(Character.toString(c), String.format("&#%d;", (int) c)); // e.g. &#38;
}
return s;
}
public static Color derive(Color color, float alpha) {
return new Color(((int) ((alpha * 255)) << 24) | (color.getRGB() & 0x00FFFFFF), true);
}
public static String toHex(Color c) {
return c == null ? "inherit" : String.format("#%02x%02x%02x", c.getRed(), c.getGreen(), c.getBlue());
}
public static boolean isShiftOrAltDown(ActionEvent evt) {
return checkModifiers(evt.getModifiers(), ActionEvent.SHIFT_MASK) || checkModifiers(evt.getModifiers(), ActionEvent.ALT_MASK);
}
public static boolean checkModifiers(int modifiers, int mask) {
return ((modifiers & mask) == mask);
}
public static JButton createImageButton(Action action) {
JButton button = new JButton(action);
button.setHideActionText(true);
button.setToolTipText(String.valueOf(action.getValue(Action.NAME)));
button.setVerticalTextPosition(SwingConstants.BOTTOM);
button.setOpaque(false);
if (Settings.isMacApp()) {
button.setPreferredSize(new Dimension(28, 27));
} else {
button.setPreferredSize(new Dimension(26, 26));
}
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);
// automatically add Mac OS X compatibility (on Mac the BACKSPACE key is called DELETE, and there is no DELETE key)
if (keystroke.getKeyCode() == KeyEvent.VK_DELETE) {
KeyStroke macKeyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SPACE, keystroke.getModifiers(), keystroke.isOnKeyRelease());
Object macKey = "mac." + action.getValue(Action.NAME);
component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(macKeyStroke, macKey);
component.getActionMap().put(macKey, 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(KeyEvent.VK_Z, KeyEvent.CTRL_MASK), new AbstractAction("Undo") {
@Override
public void actionPerformed(ActionEvent e) {
if (undoSupport.canUndo())
undoSupport.undo();
}
});
// install redo action
installAction(component, KeyStroke.getKeyStroke(KeyEvent.VK_Y, KeyEvent.CTRL_MASK), 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 List<String> showMultiValueInputDialog(final Object message, final String initialValue, final String title, final Component parent) {
String input = showInputDialog(message, initialValue, title, parent);
if (input == null || input.isEmpty()) {
return emptyList();
}
for (char separator : new char[] { '|', ';' }) {
if (input.indexOf(separator) >= 0) {
List<String> values = new ArrayList<String>();
for (String field : input.split(Pattern.quote(Character.toString(separator)))) {
field = field.trim();
if (field.length() > 0) {
values.add(field);
}
}
if (values.size() > 0) {
return values;
}
}
}
return singletonList(input);
}
public static String showInputDialog(final Object message, final String initialValue, final String title, final Component parent) {
final StringBuilder buffer = new StringBuilder();
runOnEventDispatchThread(() -> {
Object value = JOptionPane.showInputDialog(parent, message, title, PLAIN_MESSAGE, null, null, initialValue);
if (value != null) {
buffer.append(value.toString().trim());
}
});
return buffer.length() == 0 ? null : buffer.toString();
}
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, (evt) -> {
runnable.run();
});
timer.setRepeats(false);
timer.start();
return timer;
}
public static JButton newButton(String name, Icon icon, Consumer<ActionEvent> action) {
return new JButton(new LambdaAction(name, icon, action));
}
public static Action newAction(String name, Icon icon, Consumer<ActionEvent> action) {
return new LambdaAction(name, icon, action);
}
private static class LambdaAction extends AbstractAction {
private Consumer<ActionEvent> action;
public LambdaAction(String name, Icon icon, Consumer<ActionEvent> action) {
super(name, icon);
this.action = action;
}
@Override
public void actionPerformed(ActionEvent e) {
action.accept(e);
}
}
public static SwingWorker<Void, Void> newSwingWorker(BackgroundRunnable doInBackground) {
return new SwingRunnable(doInBackground);
}
public static <T> SwingWorker<T, Void> newSwingWorker(BackgroundSupplier<T> doInBackground, Consumer<T> done, Consumer<Exception> error) {
return new SwingLambda<T, Void>(doInBackground, done, error);
}
private static class SwingRunnable extends SwingWorker<Void, Void> {
private BackgroundRunnable doInBackground;
public SwingRunnable(BackgroundRunnable doInBackground) {
this.doInBackground = doInBackground;
}
@Override
protected Void doInBackground() throws Exception {
doInBackground.run();
return null;
}
}
@FunctionalInterface
public static interface BackgroundRunnable {
void run() throws Exception;
}
@FunctionalInterface
public static interface BackgroundSupplier<T> {
T get() throws Exception;
}
private static class SwingLambda<T, V> extends SwingWorker<T, V> {
private BackgroundSupplier<T> doInBackground;
private Consumer<T> done;
private Consumer<Exception> error;
public SwingLambda(BackgroundSupplier<T> doInBackground, Consumer<T> done, Consumer<Exception> error) {
this.doInBackground = doInBackground;
this.done = done;
this.error = error;
}
@Override
protected T doInBackground() throws Exception {
return doInBackground.get();
}
@Override
protected void done() {
try {
done.accept(get());
} catch (InterruptedException | ExecutionException e) {
error.accept(e);
}
}
}
/**
* 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 SwingUI() {
throw new UnsupportedOperationException();
}
}