CaRMtl/rene/gui/IconBar.java

/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.

    C.a.R. is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.gui;

import java.awt.AWTEvent;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.SystemColor;
import java.awt.Toolkit;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.StringTokenizer;
import java.util.Vector;

import javax.swing.JDialog;
import eric.JEricPanel;

class SaveColor extends Color {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public SaveColor(final int red, final int green, final int blue) {
		super(red > 0 ? red : 0, green > 0 ? green : 0, blue > 0 ? blue : 0);
	}
}

/**
 * These are the common things to Separators and Incons.
 */

interface IconBarElement {
	public int width();

	public void setPosition(int x, int y);

	public Point getPosition();

	public void setEnabled(boolean flag);

	public String getName();
}

/**
 * A simple separator between icons.
 */

class Separator extends JEricPanel implements IconBarElement {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	final int Size = 6;

	public Separator(final IconBar bar) {
		if (bar.Vertical)
			setSize(BasicIcon.Size, Size);
		else
			setSize(Size, BasicIcon.Size);
	}

	public int width() {
		return Size;
	}

	public void setPosition(final int x, final int y) {
		setLocation(x, y);
	}

	public Point getPosition() {
		return new Point(0, 0);
	}

	@Override
	public void setEnabled(final boolean flag) {
	}

	@Override
	public String getName() {
		return "";
	}

	@Override
	public void paint(final Graphics g) {
		g.setColor(getBackground());
		if (Global.getParameter("iconbar.showseparators", false))
			g
			.fill3DRect(1, 1, getSize().width - 1,
					getSize().height - 1, false);
		else
			g.fillRect(1, 1, getSize().width - 1, getSize().height - 1);
	}
}

/**
 * @author Rene This is the most basic icon, handling mouse presses and display
 *         in activated, pressed, unset or disabled state.
 */
class BasicIcon extends JEricPanel implements MouseListener, IconBarElement,
Runnable {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	IconBar Bar;
	String Name;
	boolean Enabled; // Icon cannot be changed by user action.
	boolean On; // On or off are the basic stated of icons.
	boolean Focus = false;
	public static int Size = 22; // the size of icons
	boolean MouseOver, MouseDown; // for display states during mouse action
	boolean Unset; // Unknown State!

	public BasicIcon(final IconBar bar, final String name) {
		Bar = bar;
		Name = name;
		Enabled = true;
		On = false;
		addMouseListener(this);
		enableEvents(AWTEvent.KEY_EVENT_MASK);
		setSize(Size, Size);
	}

	@Override
	public void processKeyEvent(final KeyEvent e) {
		Bar.getKey(e);
	}

	/**
	 * Paint a button with an image
	 */
	@Override
	public void paintComponent(final Graphics g) {
		if (MouseDown) {
			g.setColor(getBackground());
			g.fill3DRect(0, 0, Size, Size, false);
		} else {
			if (MouseOver) {
				if (On) {
					final Color c = getBackground();
					g.setColor(new SaveColor(c.getRed() - 30,
							c.getGreen() - 30, c.getBlue()));
				} else
					g.setColor(getBackground());
				g.fill3DRect(0, 0, Size, Size, true);
			} else {
				if (On) {
					final Color c = getBackground();
					g.setColor(c);
					g.fillRect(0, 0, Size, Size);
					g.setColor(new SaveColor(c.getRed() - 100,
							c.getGreen() - 100, c.getBlue()));
					g.fillRect(3, 3, Size - 2, Size - 2);
					g.setColor(new SaveColor(c.getRed() - 50,
							c.getGreen() - 50, c.getBlue()));
					g.fillRect(1, 1, Size - 2, Size - 2);
				} else {
					g.setColor(getBackground());
					g.fillRect(0, 0, Size, Size);
				}
			}
		}
		dopaint(g);
		if (Unset) {
			final Color c = getBackground();
			g.setColor(new SaveColor(c.getRed() - 100, c.getGreen(), c
					.getBlue()));
			g.drawLine(0, 0, Size, Size);
		}
		if (Focus)
			showFocus(g);
	}

	public void showFocus(final Graphics g) {
		g.setColor(Color.white);
		g.drawRect(4, 4, 1, 1);
		g.drawRect(Size - 5, 4, 1, 1);
		g.drawRect(4, Size - 5, 1, 1);
		g.drawRect(Size - 5, Size - 5, 1, 1);
	}

	public void dopaint(final Graphics g) {
	}

	//
	@Override
	public void update(final Graphics g) {
		paintComponent(g);
	}

	/**
	 * User pressed the mouse key over this button.
	 */
	public void mousePressed(final MouseEvent e) {
		if (!Enabled)
			return;
		MouseDown = true;
		repaint();
	}

	/**
	 * User released the mouse key again.
	 */
	public void mouseReleased(final MouseEvent e) {
		if (!Enabled)
			return;
		MouseDown = false;
		final Dimension d = getSize();
		if (e.getX() < 0 || e.getX() > d.width || e.getY() < 0
				|| e.getY() > d.height) {
			repaint();
			return;
		}
		Unset = false;
		pressed(e); // call method for children to change states etc.
		repaint();
		T = null; // stop icon help thread
		// Notify Iconbar about activation:
		long time = System.currentTimeMillis();
		Bar.iconPressed(Name, e.isShiftDown(), e.isControlDown());
		// Necessary, since Java 1.4 does not report
		// MouseExited, if a modal dialog is active:
		time = System.currentTimeMillis() - time;
		if (MouseOver && time > 1000) {
			MouseOver = false;
			repaint();
		}
	}

	/**
	 * Overwrite for children!
	 * 
	 * @param e
	 *            Mouse event for determining right button etc.
	 */
	public void pressed(final MouseEvent e) {
	}

	public void mouseClicked(final MouseEvent e) {
	}

	Thread T;
	boolean Control;

	/**
	 * Start a thread, that waits for one second, then tells the icon bar to
	 * display the proper help text.
	 */
	public synchronized void mouseEntered(final MouseEvent e) {
		if (T != null)
			return;
		if (Enabled)
			MouseOver = true;
		repaint();
		if (!Global.getParameter("iconbar.showtips", true))
			return;
		Control = e.isControlDown();
		T = new Thread(this);
		T.start();
	}

	/**
	 * A thread to display an icon help.
	 */
	public void run() {
		try {
			Thread.sleep(1000);
		} catch (final Exception e) {
		}
		if (T != null) {
			synchronized (this) {
				try {
					getLocationOnScreen();
					String help = Global.name("iconhelp." + Name, "");
					if (help.equals("") && Name.length() > 1) {
						help = Global.name("iconhelp."
								+ Name.substring(0, Name.length() - 1) + "?",
						"");
					}
					if (help.equals(""))
						help = Bar.getHelp(Name);
					if (help.equals(""))
						help = Global.name("iconhelp.nohelp",
						"No help available");
					if (Control) {
						final String hc = Global.name("iconhelp.control."
								+ Name, "");
						if (!hc.equals(""))
							help = hc;
					}
					Bar.displayHelp(this, help);
				} catch (final Exception e) {
				}
			}
			try {
				Thread.sleep(5000);
			} catch (final Exception e) {
			}
			if (T != null)
				Bar.removeHelp();
			T = null;
		}
	}

	/**
	 * Tell the run method, that display is no longer necessary, and remove the
	 * help text.
	 */
	public synchronized void mouseExited(final MouseEvent e) {
		T = null;
		MouseOver = false;
		repaint();
		Bar.removeHelp();
	}

	// for the IconBarElement interface

	public int width() {
		return Size;
	}

	public void setPosition(final int x, final int y) {
		setLocation(x, y);
	}

	public Point getPosition() {
		return getLocationOnScreen();
	}

	@Override
	public void setEnabled(final boolean flag) {
		if (Enabled == flag)
			return;
		Enabled = flag;
		repaint();
	}

	@Override
	public String getName() {
		return Name;
	}

	@Override
	public boolean hasFocus() {
		return Focus;
	}

	public void setFocus(final boolean flag) {
		Focus = flag;
		repaint();
	}

	// needs to be removed:

	public boolean isSet() {
		return !Unset;
	}

	public void unset(final boolean flag) {
		Unset = flag;
	}

	public void unset() {
		unset(true);
	}
}

/**
 * @author Rene A primitive icon that displays a GIF image.
 */
class IconWithGif extends BasicIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Image I;
	Color C;
	int W, H, X, Y;

	/**
	 * Initialize the icon and load its image. By changing the global parameter
	 * "icontype", png can be used too.
	 */
	public IconWithGif(final IconBar bar, String file) {
		super(bar, file);
		final String iconfile = getDisplay(file);
		if (!iconfile.equals(""))
			file = iconfile;
		try {
			final InputStream in = getClass().getResourceAsStream(
					Bar.Resource + file + "."
					+ Global.getParameter("icontype", "gif"));
			int pos = 0;
			int n = in.available();
			final byte b[] = new byte[20000];
			while (n > 0) {
				final int k = in.read(b, pos, n);
				if (k < 0)
					break;
				pos += k;
				n = in.available();
			}
			in.close();
			I = Toolkit.getDefaultToolkit().createImage(b, 0, pos);
			final MediaTracker T = new MediaTracker(bar);
			T.addImage(I, 0);
			T.waitForAll();
		} catch (final Exception e) {
			try {
				I = getToolkit().getImage(
						file + "." + Global.getParameter("icontype", "gif"));
				final MediaTracker mt = new MediaTracker(this);
				mt.addImage(I, 0);
				mt.waitForID(0);
				if (!(mt.checkID(0) && !mt.isErrorAny()))
					throw new Exception("");
			} catch (final Exception ex) {
				I = null;
				return;
			}
		}
		W = I.getWidth(this);
		H = I.getHeight(this);
		X = Size / 2 - W / 2;
		Y = Size / 2 - H / 2;
	}

	public String getDisplay(final String name) {
		if (!name.endsWith(")"))
			return "";
		final int n = name.lastIndexOf('(');
		if (n < 0)
			return "";
		return name.substring(n + 1, name.length() - 1);
	}

	public IconWithGif(final IconBar bar, final String name, final Color color) {
		super(bar, name);
		C = color;
	}

	@Override
	public void dopaint(final Graphics g) {
		if (I != null) {
			if (W > getSize().width)
				g.drawImage(I, 1, 1, Size - 2, Size - 2, this);
			else
				g.drawImage(I, X, Y, this);
		} else if (C != null) {
			g.setColor(C);
			g.fillRect(3, 3, Size - 6, Size - 6);
		} else {
			g.setFont(new Font("Courier", Font.BOLD, Size / 3));
			final FontMetrics fm = getFontMetrics(getFont());
			String s = getDisplay(Name);
			if (s.length() > 3)
				s = s.substring(0, 3);
			final int w = fm.stringWidth(s);
			final int h = fm.getHeight();
			g.setColor(this.getForeground());
			final Graphics2D G = (Graphics2D) g;
			G.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
					RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
			G
			.drawString(s, Size / 2 - w / 2, Size / 2 - h / 2
					+ fm.getAscent());
		}
	}

}

/**
 * @author Rene A primitive icon that displays one of several GIF images.
 */
class MultipleIcon extends BasicIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	int N;
	Image I[];
	int Selected;
	int X[], Y[], W[], H[];

	public MultipleIcon(final IconBar bar, final String name, final int number) {
		super(bar, name);
		N = number;
		I = new Image[N];
		X = new int[N];
		Y = new int[N];
		W = new int[N];
		H = new int[N];
		final MediaTracker T = new MediaTracker(bar);
		try {
			for (int i = 0; i < N; i++) {
				try {
					final InputStream in = getClass().getResourceAsStream(
							Bar.Resource + name + i + "."
							+ Global.getParameter("icontype", "gif"));
					int pos = 0;
					int n = in.available();
					final byte b[] = new byte[20000];
					while (n > 0) {
						final int k = in.read(b, pos, n);
						if (k < 0)
							break;
						pos += k;
						n = in.available();
					}
					in.close();
					I[i] = Toolkit.getDefaultToolkit().createImage(b, 0, pos);
					T.addImage(I[i], i);
				} catch (final Exception e) {
					I[i] = null;
				}
			}
			T.waitForAll();
			for (int i = 0; i < N; i++) {
				W[i] = I[i].getWidth(this);
				H[i] = I[i].getHeight(this);
				X[i] = Size / 2 - W[i] / 2;
				Y[i] = Size / 2 - H[i] / 2;
			}
		} catch (final Exception e) {
			for (int i = 0; i < N; i++)
				I[i] = null;
		}
	}

	public MultipleIcon(final IconBar bar, final String name) {
		super(bar, name);
		Selected = 0;
	}

	/**
	 * Paint a button with an image
	 */
	@Override
	public void dopaint(final Graphics g) {
		if (I[Selected] != null) {
			if (W[Selected] > getSize().width)
				g.drawImage(I[Selected], 1, 1, Size - 2, Size - 2, this);
			else
				g.drawImage(I[Selected], X[Selected], Y[Selected], this);
		}
	}

	/**
	 * Go up and down the pictures.
	 */
	@Override
	public void pressed(final MouseEvent e) {
		if (e.isMetaDown()) {
			Selected--;
			if (Selected < 0)
				Selected = N - 1;
		} else {
			Selected++;
			if (Selected >= N)
				Selected = 0;
		}
	}

	public void setSelected(final int s) {
		if (Selected == s)
			return;
		Selected = s;
		repaint();
	}

	public int getSelected() {
		return Selected;
	}
}

/**
 * @author Rene An MultipleIcon that can be enabled externally.
 */
class MultipleToggleIcon extends MultipleIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public MultipleToggleIcon(final IconBar bar, final String name,
			final int number) {
		super(bar, name, number);
	}

	public void setState(final boolean flag) {
		On = flag;
		repaint();
	}
}

/**
 * @author Rene A toggle icon for several colors.
 */
class ColorIcon extends MultipleIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Color Colors[];

	public ColorIcon(final IconBar bar, final String name, final Color colors[]) {
		super(bar, name);
		N = colors.length;
		Colors = colors;
	}

	@Override
	public void dopaint(final Graphics g) {
		g.setColor(Colors[Selected]);
		g.fill3DRect(5, 5, Size - 10, Size - 10, true);
	}
}

/**
 * @author Rene A toggle icon for several strings.
 */
class MultipleStringIcon extends MultipleIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	String S[];

	public MultipleStringIcon(final IconBar bar, final String name,
			final String s[]) {
		super(bar, name);
		S = s;
		N = S.length;
	}

	@Override
	public void dopaint(final Graphics g) {
		g.setColor(getForeground());
		final Font font = new Font("Dialog", Font.PLAIN, Size * 2 / 3);
		g.setFont(font);
		final FontMetrics fm = getFontMetrics(font);
		final int w = fm.stringWidth(S[Selected]);
		g.drawString(S[Selected], (Size - w) / 2, Size - fm.getDescent());
	}

}

/**
 * Button to get all icons, when there is not too much space.
 */
class OverflowButton extends JEricPanel {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	IconBar IB;
	boolean Left = true;

	public OverflowButton(final IconBar ib, final boolean left) {
		IB = ib;
		Left = left;
		addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(final MouseEvent e) {
				IB.setShifted(!Left);
			}
		});
	}

	@Override
	public void paint(final Graphics g) {
		final int size = BasicIcon.Size;
		g.setColor(getBackground());
		g.fill3DRect(0, 0, 10, size, true);
		g.setColor(getForeground());
		final int x[] = new int[3], y[] = new int[3];
		if (Left) {
			x[0] = 2;
			x[1] = x[2] = 8;
			y[0] = size / 2;
			y[1] = y[0] - 6;
			y[2] = y[0] + 6;
		} else {
			x[0] = 8;
			x[1] = x[2] = 2;
			y[0] = size / 2;
			y[1] = y[0] - 6;
			y[2] = y[0] + 6;
		}
		g.fillPolygon(x, y, 3);
	}
}

class PopupIcon extends BasicIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public PopupIcon(final IconBar bar, final String name[]) {
		super(bar, name[0]);
	}
}

/**
 * @author Rene An action icon for one click.
 */
class ToggleIcon extends IconWithGif {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	boolean State;
	private final IconGroup G;

	public ToggleIcon(final IconBar bar, final String file, final IconGroup g) {
		super(bar, file);
		State = false;
		G = g;
	}

	public ToggleIcon(final IconBar bar, final String file, final Color c,
			final IconGroup g) {
		super(bar, file, c);
		State = false;
		G = g;
	}

	public ToggleIcon(final IconBar bar, final String file) {
		this(bar, file, null);
	}

	@Override
	public void pressed(final MouseEvent e) {
		setState(!On);
	}

	public boolean getState() {
		return State;
	}

	public void setState(final boolean state) {
		if (G != null)
			G.toggle(this);
		else {
			if (On == state) {
				State = state;
				return;
			}
			On = State = state;
			repaint();
		}
	}

	public void unselect() {
		if (G != null)
			G.unselect();
	}

	public void setStateInGroup(final boolean state) {
		if (On == state) {
			State = state;
			return;
		}
		On = State = state;
		repaint();
	}

	public int countPeers() {
		if (G == null)
			return 0;
		return G.getN();
	}

	@Override
	public void unset() {
		if (G != null)
			G.unset(true);
		else
			super.unset();
	}

	public void dounset(final boolean flag) {
		super.unset(flag);
	}

	public void set() {
		if (G != null)
			G.unset(false);
		else
			super.unset(false);
	}

	public void doset() {
		super.unset(false);
	}
}

/**
 * @author Rene An icon to display on/off state.
 */
class OnOffIcon extends ToggleIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	static int LampSize = 4;

	public OnOffIcon(final IconBar bar, final String file) {
		super(bar, file, null);
	}

	@Override
	public void pressed(final MouseEvent e) {
		State = On = !On;
	}
}

/**
 * This class can add several ToggleItems and will enable only one of them.
 */

class IconGroup {
	String Files[], Breaks[];
	IconBar Bar;
	int N;
	ToggleIcon Icons[];

	public IconGroup(final IconBar bar, final String files[],
			final String breaks[]) {
		Files = files;
		Breaks = breaks;
		Bar = bar;
		init();
	}

	public IconGroup(final IconBar bar, final String files[]) {
		this(bar, files, files);
	}

	public void init() {
		N = 0;
		for (int i = 0; i < Files.length; i++)
			if (!Files[i].equals(""))
				N++;
		Icons = new ToggleIcon[N];
		int k = 0;
		for (int i = 0; i < Files.length; i++) {
			if (!Files[i].equals("")) {
				Icons[k++] = new ToggleIcon(Bar, Files[i], this);
			}
		}
	}

	public IconGroup(final IconBar bar, final String name, final int n) {
		Breaks = Files = new String[n];
		for (int i = 0; i < n; i++) {
			Files[i] = name + i;
		}
		Bar = bar;
		init();
	}

	public IconGroup(final IconBar bar, final String name, final Color colors[]) {
		N = colors.length;
		Breaks = Files = new String[N];
		for (int i = 0; i < N; i++) {
			Files[i] = name + i;
		}
		Bar = bar;
		Icons = new ToggleIcon[N];
		for (int i = 0; i < N; i++) {
			Icons[i] = new ToggleIcon(Bar, Files[i], colors[i], this);
		}
	}

	public void addLeft() {
		int i = 0;
		for (int k = 0; k < Files.length; k++)
			if (Files[k].equals(""))
				Bar.addSeparatorLeft();
			else {
				if (Breaks[k].startsWith("!"))
					Bar.addSeparatorLeft();
				Bar.addLeft(Icons[i++]);
			}
	}

	public void addRight() {
		int i = 0;
		for (int k = 0; k < Files.length; k++)
			if (Files[k].equals(""))
				Bar.addSeparatorRight();
			else {
				if (Breaks[k].startsWith("!"))
					Bar.addSeparatorRight();
				Bar.addRight(Icons[i++]);
			}
	}

	public void toggle(final ToggleIcon icon) {
		for (int i = 0; i < N; i++) {
			if (Icons[i] == icon)
				icon.setStateInGroup(true);
			else
				Icons[i].setStateInGroup(false);
		}
	}

	public void unselect() {
		for (int i = 0; i < N; i++) {
			Icons[i].setStateInGroup(false);
		}
	}

	public int getN() {
		return N;
	}

	public void unset(final boolean flag) {
		for (int i = 0; i < N; i++) {
			Icons[i].dounset(flag);
		}
	}
}

/**
 * An state display. Loads two images from a resource and display either of
 * them, depending on the enabled state.
 */

class StateDisplay extends BasicIcon {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Image IOn, IOff;
	int W, H, X, Y;

	/**
	 * Initialize the icon and load its image.
	 */
	public StateDisplay(final IconBar bar, final String file) {
		super(bar, file);
		try {
			InputStream in = getClass().getResourceAsStream(
					Bar.Resource + file + "on" + "."
					+ Global.getParameter("icontype", "gif"));
			int pos = 0;
			int n = in.available();
			final byte b[] = new byte[20000];
			while (n > 0) {
				final int k = in.read(b, pos, n);
				if (k < 0)
					break;
				pos += k;
				n = in.available();
			}
			in.close();
			IOn = Toolkit.getDefaultToolkit().createImage(b, 0, pos);
			final MediaTracker T = new MediaTracker(bar);
			T.addImage(IOn, 0);
			in = getClass().getResourceAsStream(
					Bar.Resource + file + "off" + "."
					+ Global.getParameter("icontype", "gif"));
			pos = 0;
			n = in.available();
			final byte b1[] = new byte[20000];
			while (n > 0) {
				final int k = in.read(b1, pos, n);
				if (k < 0)
					break;
				pos += k;
				n = in.available();
			}
			in.close();
			IOff = Toolkit.getDefaultToolkit().createImage(b1, 0, pos);
			T.addImage(IOff, 1);
			T.waitForAll();
			W = IOn.getWidth(this);
			H = IOn.getHeight(this);
			if (Bar.Vertical)
				X = Size / 2 - W / 2;
			else
				X = 0;
			Y = Size / 2 - H / 2;
		} catch (final Exception e) {
			IOn = IOff = null;
		}
	}

	/**
	 * Paint a button with an image
	 */
	@Override
	public void paintComponent(final Graphics g) {
		if (Enabled && IOn != null) {
			if (W > getSize().width)
				g.drawImage(IOn, 1, 1, Size - 2, Size - 2, this);
			else
				g.drawImage(IOn, X, Y, this);
		} else if (!Enabled && IOff != null) {
			if (W > getSize().width)
				g.drawImage(IOff, 1, 1, Size - 2, Size - 2, this);
			else
				g.drawImage(IOff, X, Y, this);
		}
	}

	@Override
	public void mousePressed(final MouseEvent e) {
	}

	@Override
	public void mouseReleased(final MouseEvent e) {
		T = null;
	}

	@Override
	public void mouseClicked(final MouseEvent e) {
	}
}

/**
 * This panel displays icons and reacts on mouse actions. It can also interpret
 * key strokes to traverse the icons.
 */

public class IconBar extends javax.swing.JPanel implements KeyListener,
FocusListener, IconBarListener {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	Vector Left = new Vector(), Right = new Vector();
	int W;
	Frame F;
	public final int Offset = 2;
	public String Resource = "/";
	int Focus = 0;
	public boolean TraverseFocus = true;
	public boolean UseSize = true;
	public boolean Vertical = false;

	public IconBar(final Frame f, final boolean traversefocus) {
		F = f;
		TraverseFocus = traversefocus;
		Resource = Global.getParameter("iconpath", "");
		BasicIcon.Size = Global.getParameter("iconsize", 20);
		setLayout(null);
		W = Offset * 2;
		addKeyListener(this);
		if (TraverseFocus)
			addFocusListener(this);
	}

	public IconBar(final Frame f) {
		this(f, true);
	}

	public void add(final BasicIcon i) {
		final java.net.URL myurl = getClass().getResource(
				"/eric/GUI/icons/palette/" + i.Name + ".png");
		if (myurl != null) {
			super.add(i);
		} else {
			W -= i.width() + Offset;
			Left.remove(i);
			Right.remove(i);
		}
		i.repaint();
	}

	/**
	 * Do not know, if this is necessary. But sometimes the icons do not repaint
	 * after an update.
	 */
	public void forceRepaint() {
		repaint();
		Enumeration e = Left.elements();
		while (e.hasMoreElements()) {
			final BasicIcon i = (BasicIcon) e.nextElement();
			i.repaint();
		}
		e = Right.elements();
		while (e.hasMoreElements()) {
			final BasicIcon i = (BasicIcon) e.nextElement();
			i.repaint();
		}
	}

	public void keyPressed(final KeyEvent e) {
	}

	public void keyReleased(final KeyEvent e) {
		switch (e.getKeyCode()) {
		case KeyEvent.VK_RIGHT:
			setFocus(Focus, false);
			Focus++;
			if (Focus >= Left.size() + Right.size())
				Focus = 0;
			while (!(getIcon(Focus) instanceof BasicIcon)) {
				Focus++;
				if (Focus >= Left.size() + Right.size()) {
					Focus = 0;
					break;
				}
			}
			setFocus(Focus, true);
			break;
		case KeyEvent.VK_LEFT:
			setFocus(Focus, false);
			Focus--;
			if (Focus < 0)
				Focus = Left.size() + Right.size() - 1;
			while (!(getIcon(Focus) instanceof BasicIcon)) {
				Focus--;
				if (Focus < 0) {
					Focus = Left.size() + Right.size() - 1;
					break;
				}
			}
			setFocus(Focus, true);
			break;
		case KeyEvent.VK_SPACE:
			try {
				final BasicIcon icon = (BasicIcon) getIcon(Focus);
				icon.mouseReleased(new MouseEvent(this,
						MouseEvent.MOUSE_RELEASED, 0, 0, 0, 0, 1, false));
			} catch (final Exception ex) {
			}
			break;
		}
	}

	public void keyTyped(final KeyEvent e) {
	}

	/*
	 * public boolean isFocusTraversable () { return TraverseFocus; }
	 */

	public Object getIcon(final int n) {
		if (n < Left.size())
			return Left.elementAt(n);
		else
			return Right.elementAt(Right.size() - 1 - (n - Left.size()));
	}

	public void focusGained(final FocusEvent e) {
		if (TraverseFocus)
			setFocus(Focus, true);
	}

	public void focusLost(final FocusEvent e) {
		if (TraverseFocus)
			setFocus(Focus, false);
	}

	public void setFocus(final int n, final boolean flag) {
		if (!TraverseFocus)
			return;
		try {
			if (n < Left.size()) {
				final BasicIcon icon = (BasicIcon) Left.elementAt(n);
				icon.setFocus(flag);
			} else {
				final BasicIcon icon = (BasicIcon) Right.elementAt(Right.size()
						- 1 - (n - Left.size()));
				icon.setFocus(flag);
			}
		} catch (final Exception e) {
		}
	}

	/**
	 * Add an icon
	 */
	public void addLeft(final String name) {
		addLeft(new IconWithGif(this, name));
	}

	public void addLeft(final BasicIcon i) {
		Left.addElement(i);
		add(i);
		W += i.width() + Offset;
	}

	/**
	 * Add an icon at the right end
	 */
	public void addRight(final String name) {
		addRight(new IconWithGif(this, name));
	}

	public void addRight(final BasicIcon i) {
		Right.addElement(i);
		add(i);
		W += i.width() + Offset;
	}

	/**
	 * Add a toggle icon
	 */
	public void addToggleLeft(final String name) {
		addLeft(new ToggleIcon(this, name));
	}

	public void addToggleRight(final String name) {
		addRight(new ToggleIcon(this, name));
	}

	/**
	 * Add a toggle icon
	 */
	public void addOnOffLeft(final String name) {
		addLeft(new OnOffIcon(this, name));
	}

	public void addOnOffRight(final String name) {
		addRight(new OnOffIcon(this, name));
	}

	/**
	 * Add a complete groupe of toggle items.
	 */
	public void addToggleGroupLeft(final String names[], final String breaks[]) {
		final IconGroup g = new IconGroup(this, names, breaks);
		g.addLeft();
	}

	public void addToggleGroupRight(final String names[], final String breaks[]) {
		final IconGroup g = new IconGroup(this, names, breaks);
		g.addRight();
	}

	public void addToggleGroupLeft(final String names[]) {
		addToggleGroupLeft(names, names);
	}

	public void addToggleGroupRight(final String names[]) {
		addToggleGroupRight(names, names);
	}

	public void addToggleGroupLeft(final String name, final int n) {
		final IconGroup g = new IconGroup(this, name, n);
		g.addLeft();
	}

	public void addToggleGroupRight(final String name, final int n) {
		final IconGroup g = new IconGroup(this, name, n);
		g.addRight();
	}

	public void addToggleGroupLeft(final String name, final Color colors[]) {
		final IconGroup g = new IconGroup(this, name, colors);
		g.addLeft();
	}

	public void addToggleGroupRight(final String name, final Color colors[]) {
		final IconGroup g = new IconGroup(this, name, colors);
		g.addRight();
	}

	/**
	 * Add a separator
	 */
	public void addSeparatorLeft() {
		if (Left.size() == 0)
			return;
		if (Left.lastElement() instanceof Separator)
			return;
		final Separator s = new Separator(this);
		Left.addElement(s);
		add(s);
		W += s.width() + Offset;
	}

	public void addSeparatorRight() {
		if (Right.size() == 0)
			return;
		if (Right.lastElement() instanceof Separator)
			return;
		final Separator s = new Separator(this);
		Right.addElement(s);
		add(s);
		W += s.width() + Offset;
	}

	/**
	 * Add a multiple icon (can toggle between the icons)
	 */
	public void addMultipleIconLeft(final String name, final int number) {
		addLeft(new MultipleIcon(this, name, number));
	}

	public void addMultipleIconRight(final String name, final int number) {
		addRight(new MultipleIcon(this, name, number));
	}

	/**
	 * Add a multiple icon (can toggle between the icons)
	 */
	public void addMultipleStringIconLeft(final String name, final String s[]) {
		addLeft(new MultipleStringIcon(this, name, s));
	}

	public void addMultipleStringIconRight(final String name, final String s[]) {
		addRight(new MultipleStringIcon(this, name, s));
	}

	/**
	 * Add a multiple icon (can toggle between the icons)
	 */
	public void addMultipleToggleIconLeft(final String name, final int number) {
		addLeft(new MultipleToggleIcon(this, name, number));
	}

	public void addMultipleToggleIconRight(final String name, final int number) {
		addRight(new MultipleToggleIcon(this, name, number));
	}

	/**
	 * Add a multiple icon (can toggle between the colors)
	 */
	public void addColorIconLeft(final String name, final Color colors[]) {
		addLeft(new ColorIcon(this, name, colors));
	}

	public void addColorIconRight(final String name, final Color colors[]) {
		addRight(new ColorIcon(this, name, colors));
	}

	/**
	 * Add a state display at the left end.
	 */
	public void addStateLeft(final String name) {
		addLeft(new StateDisplay(this, name));
	}

	public void addStateRight(final String name) {
		addRight(new StateDisplay(this, name));
	}

	boolean Overflow = false, Shifted = false;
	OverflowButton OB;
	int OverflowX;

	/**
	 * Override the layout and arange the icons from the left and the right.
	 */
	@Override
	public void doLayout() {
		if (OB != null) {
			remove(OB);
			OB = null;
		}
		if (Vertical) {
			int x;
			x = getSize().height;
			for (int k = 0; k < Right.size(); k++) {
				final IconBarElement i = (IconBarElement) Right.elementAt(k);
				x -= i.width();
				i.setPosition(2, x);
				x -= Offset;
			}
			final int xmax = x;
			x = 0;
			for (int k = 0; k < Left.size(); k++) {
				final IconBarElement i = (IconBarElement) Left.elementAt(k);
				i.setPosition(2, x);
				x += i.width();
				x += Offset;
				if (x + IconWithGif.Size > xmax)
					x = -1000;
			}
		} else {
			int x;
			x = getSize().width;
			for (int k = 0; k < Right.size(); k++) {
				final IconBarElement i = (IconBarElement) Right.elementAt(k);
				x -= i.width();
				i.setPosition(x, 2);
				x -= Offset;
			}
			final int xmax = x;
			x = 0;
			for (int k = 0; k < Left.size(); k++) {
				IconBarElement i = (IconBarElement) Left.elementAt(k);
				i.setPosition(x, 2);
				x += i.width();
				x += Offset;
				if (x + IconWithGif.Size > xmax - 10 && k < Left.size() - 1) {
					Overflow = true;
					OverflowX = x;
					OB = new OverflowButton(this, Shifted);
					add(OB);
					OB.setSize(10, BasicIcon.Size);
					OB.setLocation(xmax - 10 - Offset, 2);
					if (!Shifted) {
						x = -1000;
					} else {
						x = xmax - 10 - 2 * Offset;
						for (int l = Left.size() - 1; l >= 0; l--) {
							i = (IconBarElement) Left.elementAt(l);
							x -= i.width();
							i.setPosition(x, 2);
							x -= Offset;
							if (x - IconWithGif.Size < 0)
								x -= 1000;
						}
						break;
					}
				}
			}
		}
	}

	public void setShifted(final boolean flag) {
		Shifted = flag;
		doLayout();
	}

	/**
	 * Override the preferred sizes.
	 */
	@Override
	public Dimension getPreferredSize() {
		if (Vertical) {
			if (!UseSize)
				return new Dimension(IconWithGif.Size + 4, 10);
			return new Dimension(IconWithGif.Size + 4, W + 10);
		} else {
			if (!UseSize)
				return new Dimension(10, IconWithGif.Size + 4);
			return new Dimension(W + 10, IconWithGif.Size + 4);
		}
	}

	@Override
	public Dimension getMinimumSize() {
		return getPreferredSize();
	}

	// The IconBar can notify one IconBarListener on icon
	// clicks.

	IconBarListener L = null;

	public void setIconBarListener(final IconBarListener l) {
		L = l;
	}

	public void removeIconBarListener(final IconBarListener l) {
		L = null;
	}

	boolean Shift, Control;

	public void iconPressed(final String name, final boolean shift,
			final boolean control) {
		Shift = shift;
		Control = control;
		removeHelp();
		if (L != null)
			L.iconPressed(name);
	}

	public boolean isShiftPressed() {
		return Shift;
	}

	public boolean isControlPressed() {
		return Control;
	}

	public void clearShiftControl() {
		Shift = Control = false;
	}

	// The tool tip help, initiated by the icons.

	JDialog WHelp = null;

	public synchronized void displayHelp(final IconBarElement i,
			final String text) {
		if (F == null || WHelp != null)
			return;
		if (rene.gui.Global.isApplet())
			return;
		final Point P = i.getPosition();
		WHelp = new JDialog(F);
		WHelp.setAlwaysOnTop(true);
		WHelp
		.setDefaultCloseOperation(javax.swing.WindowConstants.DO_NOTHING_ON_CLOSE);
		WHelp.setFocusable(false);
		WHelp.setFocusableWindowState(false);
		WHelp.setUndecorated(true);
		final JEricPanel p = new JEricPanel();
		final StringTokenizer t = new StringTokenizer(text, "+");
		p.setLayout(new GridLayout(0, 1));
		while (t.hasMoreTokens()) {
			p.add(new MyLabel(t.nextToken()));
		}
		WHelp.add("Center", p);
		WHelp.pack();
		final Dimension d = WHelp.getSize();
		final Dimension ds = getToolkit().getScreenSize();
		int x = P.x, y = P.y + i.width() + 10;
		if (x + d.width > ds.width)
			x = ds.width - d.width;
		if (y + d.height > ds.height)
			y = P.y - i.width() - d.height;
		WHelp.setLocation(x, y);
		WHelp.setBackground(new Color(255, 255, 220));
		WHelp.setForeground(Color.black);
		WHelp.setVisible(true);
		WHelp.toFront();
	}

	public synchronized void removeHelp() {
		if (WHelp == null)
			return;
		WHelp.setVisible(false);
		WHelp.dispose();
		WHelp = null;
	}

	private BasicIcon find(final String name) {
		int k;
		for (k = 0; k < Left.size(); k++) {
			try {
				final BasicIcon i = (BasicIcon) Left.elementAt(k);
				if (i.getName().equals(name))
					return i;
			} catch (final Exception e) {
			}
		}
		for (k = 0; k < Right.size(); k++) {
			try {
				final BasicIcon i = (BasicIcon) Right.elementAt(k);
				if (i.getName().equals(name))
					return i;
			} catch (final Exception e) {
			}
		}
		return null;
	}

	/**
	 * Enable the tool with the specified name.
	 */
	public void setEnabled(final String name, final boolean flag) {
		final BasicIcon icon = find(name);
		if (icon == null)
			return;
		icon.setEnabled(flag);
	}

	/**
	 * Select
	 */
	public void toggle(final String name) {
		final BasicIcon icon = find(name);
		if (icon == null || !(icon instanceof ToggleIcon))
			return;
		((ToggleIcon) icon).setState(true);
	}

	/**
	 * Have an Icon?
	 */
	public boolean have(final String name) {
		return find(name) != null;
	}

	/**
	 * Deselect all icons in the group of an icon
	 */
	public void unselect(final String name) {
		final BasicIcon icon = find(name);
		if (icon == null || !(icon instanceof ToggleIcon))
			return;
		((ToggleIcon) icon).unselect();
	}

	/**
	 * Toggle an item of an item group (known by name and number).
	 */
	public void toggle(final String name, final int n) {
		toggle(name + n);
	}

	/**
	 * Set the state of a single toggle icon.
	 */
	public void setState(final String name, final boolean flag) {
		final BasicIcon icon = find(name);
		if (icon != null && (icon instanceof ToggleIcon))
			((ToggleIcon) icon).setState(flag);
		if (icon != null && (icon instanceof MultipleToggleIcon))
			((MultipleToggleIcon) icon).setState(flag);
	}

	/**
	 * Get the state of the specified toggle icon
	 */
	public boolean getState(final String name) {
		final BasicIcon icon = find(name);
		if (icon == null || !(icon instanceof ToggleIcon))
			return false;
		return ((ToggleIcon) icon).getState();
	}

	/**
	 * Return the state of a toggle icon.
	 */
	public int getToggleState(final String name) {
		final BasicIcon icon = find(name + 0);
		if (icon == null || !(icon instanceof ToggleIcon))
			return -1;
		final int n = ((ToggleIcon) icon).countPeers();
		for (int i = 0; i < n; i++) {
			if (getState(name + i))
				return i;
		}
		return -1;
	}

	/**
	 * Get the state of the specified multiple icon
	 */
	public int getMultipleState(final String name) {
		int k;
		for (k = 0; k < Left.size(); k++) {
			final IconBarElement i = (IconBarElement) Left.elementAt(k);
			if (i.getName().equals(name) && i instanceof MultipleIcon) {
				return ((MultipleIcon) i).getSelected();
			}
		}
		for (k = 0; k < Right.size(); k++) {
			final IconBarElement i = (IconBarElement) Right.elementAt(k);
			if (i.getName().equals(name) && i instanceof MultipleIcon) {
				return ((MultipleIcon) i).getSelected();
			}
		}
		return -1;
	}

	/**
	 * Set the state of the specified multiple icon
	 */
	public void setMultipleState(final String name, final int state) {
		int k;
		for (k = 0; k < Left.size(); k++) {
			final IconBarElement i = (IconBarElement) Left.elementAt(k);
			if (i.getName().equals(name) && i instanceof MultipleIcon) {
				((MultipleIcon) i).setSelected(state);
			}
		}
		for (k = 0; k < Right.size(); k++) {
			final IconBarElement i = (IconBarElement) Right.elementAt(k);
			if (i.getName().equals(name) && i instanceof MultipleIcon) {
				((MultipleIcon) i).setSelected(state);
			}
		}
	}

	/**
	 * See, if the specific icon has been set.
	 */
	public boolean isSet(final String name) {
		final BasicIcon icon = find(name);
		if (icon == null)
			return false;
		return icon.isSet();
	}

	/**
	 * Set the specific icon to unset.
	 */
	public void unset(final String name) {
		final BasicIcon icon = find(name);
		if (icon != null)
			icon.unset();
	}

	public void getKey(final KeyEvent e) {
		processKeyEvent(e);
	}

	public void setSize(final int size) {
		BasicIcon.Size = size;
	}

	@Override
	public void removeAll() {
		Enumeration e = Left.elements();
		while (e.hasMoreElements()) {
			remove((BasicIcon) e.nextElement());
		}
		e = Right.elements();
		while (e.hasMoreElements()) {
			remove((BasicIcon) e.nextElement());
		}
		Left.removeAllElements();
		Right.removeAllElements();
	}

	/**
	 * Overwrite in children!
	 * 
	 * @param name
	 * @return Help text
	 */
	public String getHelp(final String name) {
		return "";
	}

	public static void main(final String args[]) {
		final CloseFrame f = new CloseFrame("Test");
		final IconBar IA = new IconBar(f);
		IA.Vertical = true;
		IA.setSize(30);
		IA.Resource = "/icons/";
		IA.addLeft("back");
		IA.addLeft("undo");
		IA.addSeparatorLeft();
		IA.addOnOffLeft("grid");
		IA.addSeparatorLeft();
		IA.addToggleLeft("delete");
		IA.addSeparatorLeft();
		final String tg[] = { "zoom", "draw", "", "rename", "edit" };
		IA.addToggleGroupLeft(tg);
		IA.addSeparatorLeft();
		IA.addMultipleToggleIconLeft("macro", 3);
		IA.addSeparatorLeft();
		final String tga[] = { "zoom", "draw", "rename", "edit" };
		IA.addLeft(new PopupIcon(IA, tga));
		IA.addSeparatorLeft();
		final String st[] = { "A", "B", "C", "D" };
		IA.addMultipleStringIconLeft("strings", st);
		final Color col[] = { Color.BLACK, Color.RED, Color.GREEN };
		IA.addStateLeft("needsave");
		IA.addColorIconLeft("color", col);
		f.add("Center", new IconBarPanel(new Panel3D(IA), new Panel3D(
				new JEricPanel())));
		f.pack();
		f.center();
		IA.setIconBarListener(IA);
		f.setVisible(true);
	}

	public void iconPressed(final String name) {
		System.out.println(name);
	}

}