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

/** This plugin implements the rounded rectangle tool dialog box. */
public class RectToolOptions implements PlugIn, DialogListener {
    private String strokeColorName, fillColorName;
    private static GenericDialog gd;
    private static double defaultStrokeWidth = 0.0;
    private static Color defaultStrokeColor;

    public void run(String arg) {
        if (gd!=null && gd.isVisible())
            gd.toFront();
        else
            rectToolOptions();
    }
                
    void rectToolOptions() {
        if (defaultStrokeColor==null)
            defaultStrokeColor = Roi.getColor();
        Color strokeColor = defaultStrokeColor;
        Color fillColor = null;
        if (defaultStrokeWidth==0.0)
            defaultStrokeWidth = 1.0;
        double strokeWidth = defaultStrokeWidth;
        int cornerDiameter = (int)Prefs.get(Toolbar.CORNER_DIAMETER, 20);
        ImagePlus imp = WindowManager.getCurrentImage();
        Roi roi = imp!=null?imp.getRoi():null;
        if (roi!=null && (roi.getType()==Roi.RECTANGLE)) {
            strokeColor = roi.getStrokeColor();
            if (strokeColor==null)
                strokeColor = Roi.getColor();
            fillColor = roi.getFillColor();
            strokeWidth = roi.getStrokeWidth();
            cornerDiameter = roi.getCornerDiameter();
        }
        String strokec = Colors.colorToString(strokeColor);
        String fillc = Colors.colorToString(fillColor);

        gd = GUI.newNonBlockingDialog("Rounded Rectangle Tool");
        gd.addSlider("Stroke width:", 1, 25, (int)strokeWidth);
        gd.addSlider("Corner diameter:", 0, 200, cornerDiameter);
        gd.addStringField("Color: ", strokec);
        gd.addStringField("Fill color: ", fillc);
        gd.addDialogListener(this);
        gd.showDialog();
    }

    public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
        double strokeWidth2 = gd.getNextNumber();
        int cornerDiameter2 = (int)gd.getNextNumber();
        String strokec2 = gd.getNextString();
        String fillc2 = gd.getNextString();
        ImagePlus imp = WindowManager.getCurrentImage();
        Roi roi = imp!=null?imp.getRoi():null;
        Color strokeColor2 = Colors.decode(strokec2, defaultStrokeColor);
        if (roi!=null && (roi.getType()==Roi.RECTANGLE)) {
            roi.setStrokeWidth((int)strokeWidth2);
            roi.setCornerDiameter((int)(cornerDiameter2));
            strokeColor2 = Colors.decode(strokec2, roi.getStrokeColor());
            Color fillColor = Colors.decode(fillc2, roi.getFillColor());
            roi.setStrokeColor(strokeColor2);
            roi.setFillColor(fillColor);
        }
        defaultStrokeWidth = strokeWidth2;
        defaultStrokeColor = strokeColor2;
        Toolbar.setRoundRectArcSize(cornerDiameter2);
        if (cornerDiameter2>0) {
            if (!Toolbar.getToolName().equals("roundrect"))
                IJ.setTool("roundrect");
        }
        return true;
    }
    
    public static Color getDefaultStrokeColor() {
        return defaultStrokeColor;
    }
    
    public static float getDefaultStrokeWidth() {
        return (float)defaultStrokeWidth;
    }
    
}