package ij.plugin.frame;
import ij.*;
import ij.plugin.*;
import ij.gui.*;
import java.awt.*;
import java.awt.event.*;

/** Displays the ImageJ Channels window. */
public class Channels extends PlugInDialog implements PlugIn, ItemListener, ActionListener {

	private static String[] modes = {"Composite", "Color", "Grayscale"};
	private static String[] menuItems = {"Make Composite", "Convert to RGB", "Split Channels", "Merge Channels...",
		"Edit LUT...", "-", "Red", "Green", "Blue", "Cyan", "Magenta", "Yellow", "Grays"};

	private static String moreLabel = "More "+'\u00bb';
	//private String[] title = {"Red", "Green", "Blue"};
	private Choice choice;
	private Checkbox[] checkbox;
	private Button moreButton;
	private static Channels instance;
	private int id;
	private static Point location;
	private PopupMenu pm;

	public Channels() {
		super("Channels");
		if (instance!=null) {
			instance.toFront();
			return;
		}
		WindowManager.addWindow(this);
		instance = this;
		GridBagLayout gridbag = new GridBagLayout();
		GridBagConstraints c = new GridBagConstraints();
		setLayout(gridbag);
		int y = 0;
		c.gridx = 0;
		c.gridy = y++;
		c.gridwidth = 1;
		c.fill = GridBagConstraints.BOTH;
		c.anchor = GridBagConstraints.CENTER;
		int margin = 32;
		if (IJ.isMacOSX())
			margin = 20;
		c.insets = new Insets(10, margin, 10, margin);
		choice = new Choice();
		for (int i=0; iCompositeImage.MAX_CHANNELS)
			nCheckBoxes = CompositeImage.MAX_CHANNELS;
		checkbox = new Checkbox[nCheckBoxes];
		for (int i=0; i1&&channels