/*
* Created on Aug 23, 2004
*/
package org.flexdock.util;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.KeyboardFocusManager;
import java.awt.Point;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;
import javax.swing.JSplitPane;
import javax.swing.JTabbedPane;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import org.flexdock.docking.DockingPort;
import org.flexdock.docking.defaults.DefaultDockingPort;
import org.flexdock.docking.defaults.DockingSplitPane;
import com.l2fprod.gui.plaf.skin.Skin;
import com.l2fprod.gui.plaf.skin.SkinLookAndFeel;
/**
* @author Christopher Butler
*/
public class SwingUtility {
public static Component toComponent(Object obj) {
return obj instanceof Component? (Component)obj: null;
}
public static void revalidate(Component comp) {
if (comp instanceof JComponent)
((JComponent) comp).revalidate();
}
public static void repaint(Component comp) {
if(comp instanceof JComponent)
((JComponent)comp).repaint();
}
public static void drawRect(Graphics g, Rectangle r) {
if(g==null || r==null)
return;
g.drawRect(r.x, r.y, r.width, r.height);
}
public static DockingPort[] getChildPorts(DockingPort port) {
if(!(port instanceof DefaultDockingPort))
return new DockingPort[0];
DefaultDockingPort parent = (DefaultDockingPort)port;
Component docked = parent.getDockedComponent();
if(!(docked instanceof JSplitPane))
return new DockingPort[0];
JSplitPane split = (JSplitPane)docked;
DockingPort left = null;
DockingPort right = null;
if(split.getLeftComponent() instanceof DockingPort)
left = (DockingPort)split.getLeftComponent();
if(split.getRightComponent() instanceof DockingPort)
right = (DockingPort)split.getRightComponent();
if(left==null && right==null)
return new DockingPort[0];
if(left==null)
return new DockingPort[] {right};
if(right==null)
return new DockingPort[] {left};
return new DockingPort[] {left, right};
}
public static Point[] getPoints(Rectangle rect) {
return getPoints(rect, null);
}
public static Point[] getPoints(Rectangle rect, Component convertFromScreen) {
if(rect==null)
return null;
Rectangle r = (Rectangle)rect.clone();
Point p = r.getLocation();
if(convertFromScreen!=null)
SwingUtilities.convertPointFromScreen(p, convertFromScreen);
r.setLocation(p);
return new Point[] {
p,
new Point(p.x + r.width, p.y),
new Point(p.x + r.width, p.y+r.height),
new Point(p.x, p.y+r.height)
};
}
public static final void centerOnScreen(Window window) {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension windowSize = window.getSize();
if (windowSize.height > screenSize.height)
windowSize.height = screenSize.height;
if (windowSize.width > screenSize.width)
windowSize.width = screenSize.width;
window.setLocation((screenSize.width - windowSize.width) / 2,
(screenSize.height - windowSize.height) / 2);
}
public static void center(Window window, Component parent) {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Rectangle bounds = new Rectangle(parent.getLocationOnScreen(), parent.getSize());
int w = window.getWidth();
int h = window.getHeight();
// center according to parent
int x = ((int) bounds.getCenterX()) - w / 2;
int y = ((int) bounds.getCenterY()) - h / 2;
// does it fit on screen?
if (x < 0)
x = 0;
else if (x + w > screenSize.getWidth())
x = ((int) screenSize.getWidth()) - w;
if (y < 0)
y = 0;
else if (y + h > screenSize.getHeight())
y = ((int) screenSize.getHeight()) - h;
// done
window.setBounds(x, y, w, h);
}
public static Container getContentPane(Component c) {
RootWindow rootWin = RootWindow.getRootContainer((Component)c);
return rootWin==null? null: rootWin.getContentPane();
}
public static void setPlaf(Class lookAndFeelClass) {
String className = lookAndFeelClass==null? null: lookAndFeelClass.getName();
setPlaf(className);
}
public static void setPlaf(String lookAndFeelClassName) {
if(loadSkinLF(lookAndFeelClassName))
return;
try {
UIManager.setLookAndFeel(lookAndFeelClassName);
} catch(Exception e) {
System.err.println("Exception: " +e.getMessage());
e.printStackTrace();
}
}
private static boolean loadSkinLF(String themePack) {
if(themePack==null || !themePack.endsWith(".zip") || !isSkinLFInstalled())
return false;
try {
Skin skin = SkinLookAndFeel.loadThemePack(ResourceManager.getResource(themePack));
SkinLookAndFeel.setSkin(skin);
UIManager.setLookAndFeel(SkinLookAndFeel.class.getName());
return true;
} catch(Exception e) {
System.err.println("Exception: " +e.getMessage());
e.printStackTrace();
return false;
}
}
public static void add(Point p1, Point p2) {
if(p1!=null && p2!=null) {
p1.x += p2.x;
p1.y += p2.y;
}
}
public static void subtract(Point p1, Point p2) {
if(p1!=null && p2!=null) {
p1.x -= p2.x;
p1.y -= p2.y;
}
}
public static void translate(Component src, Polygon poly, Component dest) {
if(src==null || poly==null || dest==null)
return;
Rectangle srcRect = src.getBounds();
srcRect.setLocation(0, 0);
Rectangle destRect = SwingUtilities.convertRectangle(src, srcRect, dest);
int deltaX = destRect.x - srcRect.x;
int deltaY = destRect.y - srcRect.y;
int len = poly.npoints;
for(int i=0; i<len; i++) {
poly.xpoints[i] += deltaX;
poly.ypoints[i] += deltaY;
}
}
public static void focus(final Component c) {
RootWindow window = RootWindow.getRootContainer(c);
if(window==null)
return;
Component root = window.getRootContainer();
Component comp = c;
for(Component parent=comp.getParent(); parent!=root; parent=comp.getParent()) {
if(parent instanceof JTabbedPane) {
((JTabbedPane)parent).setSelectedComponent(comp);
}
comp = parent;
}
EventQueue.invokeLater(new Runnable() {
public void run() {
c.requestFocus();
}
});
}
public static Component getNearestFocusableComponent(Component c) {
return getNearestFocusableComponent(c, null);
}
public static Component getNearestFocusableComponent(Component c, Container desiredRoot) {
if(c==null)
c = desiredRoot;
if(c==null)
c = KeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
boolean cachedFocusCycleRoot = false;
// make the desiredRoot into a focusCycleRoot
if(desiredRoot!=null) {
cachedFocusCycleRoot = desiredRoot.isFocusCycleRoot();
if(!cachedFocusCycleRoot)
desiredRoot.setFocusCycleRoot(true);
}
Container focusRoot = null;
if(c instanceof Container) {
Container cnt = (Container)c;
focusRoot = cnt.isFocusCycleRoot(cnt)? cnt: cnt.getFocusCycleRootAncestor();
} else
focusRoot = c.getFocusCycleRootAncestor();
Component focuser = null;
if (focusRoot != null)
//zw, remarked - selected component should become focused
//focuser = focusRoot.getFocusTraversalPolicy().getLastComponent(focusRoot);
focuser = c; //zw, added - selected component should become focused
// restore the desiredRoot to its previous state
if(desiredRoot!=null && !cachedFocusCycleRoot) {
desiredRoot.setFocusCycleRoot(cachedFocusCycleRoot);
}
return focuser;
}
public static void activateWindow(Component c) {
RootWindow window = RootWindow.getRootContainer(c);
if(window!=null && !window.isActive())
window.toFront();
}
/* Color utility */
/**
* @param color
* @param factor
* @return a new color, brighter than the one passed as argument by a percentage factor
*
* <br>author Cyril Gambis - [Mar 17, 2005]
*/
public static Color brighter(Color color, double factor) {
int red = color.getRed();
int green = color.getGreen();
int blue = color.getBlue();
int i = (int) (1.0 / (1.0 - factor));
if (red == 0 && green == 0 && blue == 0) {
return new Color(i, i, i);
}
if (red > 0 && red < i) {
red = i;
}
if (green > 0 && green < i) {
green = i;
}
if (blue > 0 && blue < i) {
blue = i;
}
return new Color(Math.min((int) (red / factor), 255), Math.min((int) (green / factor), 255), Math.min((int) (blue / factor), 255));
}
/**
* @param color
* @param factor
* @return a new color, darker than the one passed as argument by a percentage factor
*
* <br>author Cyril Gambis - [Mar 17, 2005]
*/
public static Color darker(Color color, double factor) {
return new Color(Math.max((int) (color.getRed() * factor), 0), Math.max((int) (color.getGreen() * factor), 0), Math.max((int) (color.getBlue() * factor), 0));
}
/**
* @param color
* @return the grey color corresponding to the color passed as parameter
*
* <br>author Cyril Gambis - [Mar 17, 2005]
*/
public static Color grayScale(Color color) {
int grayTone = ((color.getRed() + color.getGreen() + color.getBlue())/3);
return new Color(grayTone, grayTone, grayTone);
}
public static BufferedImage createImage(Component comp) {
if(comp==null)
return null;
BufferedImage image = (BufferedImage)comp.createImage(comp.getWidth(), comp.getHeight());
Graphics g = image.createGraphics();
comp.paintAll(g);
return image;
}
public static float getDividerProportion(JSplitPane splitPane) {
if(splitPane==null)
return 0;
int size = splitPane.getOrientation()==JSplitPane.HORIZONTAL_SPLIT? splitPane.getWidth(): splitPane.getHeight();
int divLoc = splitPane.getDividerLocation();
return size==0? 0: (float)divLoc/((float)size - splitPane.getDividerSize());
}
public static Component getOtherComponent(JSplitPane split, Component current) {
if(split==null || current==null)
return null;
Component other = split.getLeftComponent();
if(other==current)
other = split.getRightComponent();
return other;
}
public static void putClientProperty(Component c, Object key, Object value) {
if(c instanceof JComponent) {
((JComponent)c).putClientProperty(key, value);
}
}
public static Object getClientProperty(Component c, Object key) {
if(c instanceof JComponent) {
return ((JComponent)c).getClientProperty(key);
}
return null;
}
public static void removeClientProperty(Component c, Object key) {
if(c instanceof JComponent) {
((JComponent)c).putClientProperty(key, null);
}
}
public static Window getActiveWindow() {
KeyboardFocusManager mgr = KeyboardFocusManager.getCurrentKeyboardFocusManager();
return mgr.getActiveWindow();
}
public static int getSplitPaneSize(JSplitPane splitPane) {
if(splitPane==null)
return 0;
boolean horiz = splitPane.getOrientation()==JSplitPane.HORIZONTAL_SPLIT? true: false;
return horiz? splitPane.getWidth(): splitPane.getHeight();
}
/**
* Moves the supplied <code>JSplitPane</code> divider to the specified <code>proportion</code>.
* Valid values for <code>proportion</code> range from <code>0.0F<code>
* to <code>1.0F</code>. For example, a <code>proportion</code> of <code>0.3F</code> will move the
* divider to 30% of the "size" (<i>width</i> for horizontal split, <i>height</i> for vertical split) of the
* split container that contains the specified <code>Dockable</code>. If a <code>proportion</code> of less
* than <code>0.0F</code> is supplied, the value </code>0.0F</code> is used. If a <code>proportion</code>
* greater than <code>1.0F</code> is supplied, the value </code>1.0F</code> is used.
* <br/>
* This method should be effective regardless of whether the split layout in question has been fully realized
* and is currently visible on the screen. This should alleviate common problems associated with setting
* percentages of unrealized <code>Component</code> dimensions, which are initially <code>0x0</code> before
* the <code>Component</code> has been rendered to the screen.
* <br/>
* If the specified <code>JSplitPane</code> is <code>null</code>, then this method returns with no action
* taken.
*
* @param split the <code>JSplitPane</code> whose divider location is to be set.
* @param proportion a double-precision floating point value that specifies a percentage,
* from zero (top/left) to 1.0 (bottom/right)
* @see #getSplitPaneSize(JSplitPane)
* @see JSplitPane#setDividerLocation(double)
*/
public static void setSplitDivider(final JSplitPane split, float proportion) {
if(split==null)
return;
proportion = Math.max(0f, proportion);
final float percent = Math.min(1f, proportion);
int size = getSplitPaneSize(split);
if(split.isVisible() && size>0 && EventQueue.isDispatchThread()) {
split.setDividerLocation(proportion);
split.validate();
return;
}
EventQueue.invokeLater(new Runnable() {
public void run() {
setSplitDivider(split, percent);
}
});
}
public static boolean isSkinLFInstalled() {
return LookAndFeelSettings.isSkinLFSupported();
}
public static void toggleFocus(int direction) {
KeyboardFocusManager manager = KeyboardFocusManager.getCurrentKeyboardFocusManager();
Component focused = manager.getFocusOwner();
Component newFocused = getNext(focused, direction);
if (newFocused != null) {
SwingUtility.focus(newFocused);
}
}
private static Component getNext(Component comp, int direction) {
Component next = null;
JTabbedPane tab;
if (comp instanceof JTabbedPane) {
tab = (JTabbedPane) comp;
} else {
tab = (JTabbedPane) SwingUtilities.getAncestorOfClass(JTabbedPane.class, comp);
}
if (tab != null) {
int index = tab.getSelectedIndex();
if (direction > 0 && index < tab.getTabCount() - 1) {
tab.setSelectedIndex(index + 1);
next = tab;
} else if (direction <= 0 && index > 0) {
tab.setSelectedIndex(index - 1);
next = tab;
} else {
DefaultDockingPort port = (DefaultDockingPort) SwingUtilities.getAncestorOfClass(DefaultDockingPort.class, tab);
next = getNext(port, direction);
}
} else {
DockingSplitPane pane = (DockingSplitPane) SwingUtilities.getAncestorOfClass(DockingSplitPane.class, comp);
if (pane == null) {
return getFirstComponent(comp, direction);
}
Component left = pane.getLeftComponent();
Component right = pane.getRightComponent();
if (SwingUtilities.isDescendingFrom(comp, left)) {
if (direction > 0) {
next = getFirstComponent(right, direction);
} else {
DefaultDockingPort port = (DefaultDockingPort) SwingUtilities.getAncestorOfClass(DefaultDockingPort.class, pane);
next = getNext(port, direction);
}
} else {
if (direction > 0) {
DefaultDockingPort port = (DefaultDockingPort) SwingUtilities.getAncestorOfClass(DefaultDockingPort.class, pane);
next = getNext(port, direction);
} else {
next = getFirstComponent(left, direction);
}
}
}
return next;
}
private static Component getFirstComponent(Component c, int direction) {
while (c instanceof DefaultDockingPort) {
c = ((DefaultDockingPort) c).getDockedComponent();
if (c instanceof DockingSplitPane) {
DockingSplitPane pane = (DockingSplitPane) c;
c = direction > 0 ? pane.getLeftComponent() : pane.getRightComponent();
}
}
return c;
}
}