package ij.plugin.filter;
import ij.*;
import ij.process.*;
import ij.gui.*;
import ij.util.Tools;
import ij.io.FileOpener;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import ij.measure.Calibration;

public class ImageProperties implements PlugInFilter, TextListener {
	ImagePlus imp;
	static final int NANOMETER=0, MICROMETER=1, MILLIMETER=2, CENTIMETER=3,
		 METER=4, KILOMETER=5, INCH=6, FOOT=7, MILE=8, PIXEL=9, OTHER_UNIT=10;
	int oldUnitIndex;
	double oldUnitsPerCm;
	Vector nfields, sfields;
	boolean duplicatePixelWidth = true;
	String calUnit;
	double calPixelWidth, calPixelHeight, calPixelDepth;
	TextField pixelWidthField, pixelHeightField, pixelDepthField;
	int textChangedCount;

	public int setup(String arg, ImagePlus imp) {
		this.imp = imp;
		return DOES_ALL+NO_CHANGES;
	}

	public void run(ImageProcessor ip) {
		showDialog(imp);
	}
	
	void showDialog(ImagePlus imp) {
		String options = Macro.getOptions();
		if (options!=null ) {
			String options2 = options.replaceAll(" depth=", " slices=");
			options2 = options2.replaceAll(" interval=", " frame=");
			Macro.setOptions(options2);
		}
		Calibration cal = imp.getCalibration();
		Calibration calOrig = cal.copy();
		oldUnitIndex = getUnitIndex(cal.getUnit());
		oldUnitsPerCm = getUnitsPerCm(oldUnitIndex);
		int stackSize = imp.getImageStackSize();
		int channels = imp.getNChannels();
		int slices = imp.getNSlices();
		int frames = imp.getNFrames();
		boolean global1 = imp.getGlobalCalibration()!=null;
		boolean global2;
		int digits = cal.pixelWidth<1.0||cal.pixelHeight<1.0||cal.pixelDepth<1.0?7:4;
		GenericDialog gd = new GenericDialog(imp.getTitle());
		gd.addNumericField("Channels (c):", channels, 0);
		gd.addNumericField("Slices (z):", slices, 0);
		gd.addNumericField("Frames (t):", frames, 0);
		gd.setInsets(0, 5, 0);
		gd.addMessage("Note: c*z*t must equal "+stackSize, null, Color.darkGray);
		gd.setInsets(15, 0, 0);
		gd.addStringField("Unit of length:", cal.getUnit());
		gd.addNumericField("Pixel_width:", cal.pixelWidth, digits, 8, null);
		gd.addNumericField("Pixel_height:", cal.pixelHeight, digits, 8, null);
		gd.addNumericField("Voxel_depth:", cal.pixelDepth, digits, 8, null);
		gd.setInsets(10, 0, 5);
		double interval = cal.frameInterval;
		String intervalStr = IJ.d2s(interval, (int)interval==interval?0:2) + " " + cal.getTimeUnit();
		gd.addStringField("Frame interval:", intervalStr);
		String xo = cal.xOrigin==(int)cal.xOrigin?IJ.d2s(cal.xOrigin,0):IJ.d2s(cal.xOrigin,2);
		String yo = cal.yOrigin==(int)cal.yOrigin?IJ.d2s(cal.yOrigin,0):IJ.d2s(cal.yOrigin,2);
		String zo = "";
		if (cal.zOrigin!=0.0) {
			zo = cal.zOrigin==(int)cal.zOrigin?IJ.d2s(cal.zOrigin,0):IJ.d2s(cal.zOrigin,2);
			zo = "," + zo;
		}
		gd.addStringField("Origin (pixels):", xo+","+yo+zo);
		gd.setInsets(5, 20, 0);
		gd.addCheckbox("Global", global1);
		nfields = gd.getNumericFields();
		if (nfields!=null) {
			pixelWidthField  = (TextField)nfields.elementAt(3);
			pixelHeightField  = (TextField)nfields.elementAt(4);
			pixelDepthField  = (TextField)nfields.elementAt(5);
			for (int i=0; i=2?intAndUnit[1]:"sec";
		if (timeUnit.equals("sec")&&cal.frameInterval<=2.0&&cal.frameInterval>=1.0/30.0)
			cal.fps = 1.0/cal.frameInterval;
		if (timeUnit.equals("usec"))
			timeUnit = IJ.micronSymbol + "sec";
		cal.setTimeUnit(timeUnit);

		gd.setSmartRecording(cal.xOrigin==0&&cal.yOrigin==0&&cal.zOrigin==0);
        String[] origin = Tools.split(gd.getNextString(), " ,");
		gd.setSmartRecording(false);
		double x = origin.length>=1?Tools.parseDouble(origin[0]):Double.NaN;
		double y = origin.length>=2?Tools.parseDouble(origin[1]):Double.NaN;
		double z = origin.length>=3?Tools.parseDouble(origin[2]):Double.NaN;
		cal.xOrigin= Double.isNaN(x)?0.0:x;
		cal.yOrigin= Double.isNaN(y)?cal.xOrigin:y;
		cal.zOrigin= Double.isNaN(z)?0.0:z;
 		global2 = gd.getNextBoolean();
		if (!cal.equals(calOrig))
			imp.setCalibration(cal);
 		imp.setGlobalCalibration(global2?cal:null);
		if (global2 || global2!=global1)
			WindowManager.repaintImageWindows();
		else
			imp.repaintWindow();
		if (global2 && global2!=global1)
			FileOpener.setShowConflictMessage(true);
	}
	
	String validateInterval(String interval) {
		if (interval.indexOf(" ")!=-1)
			return interval;
		int firstLetter = -1;
		for (int i=0; i0 && firstLetter