package test.ui;

import java.awt.*;

class TestStatus extends java.awt.Canvas {
	public boolean fError= false;
	public int fTotal= 0;
	public int fProgress= 0;
	public int fProgressX= 0;

public TestStatus() {
	super();
	setSize(20, 30);
}

private Color getStatusColor () {
	if (fError)
		return Color.red;
	return Color.green;
}

public void paint ( java.awt.Graphics g) {
	paintBackground(g);
	paintStatus(g);
	return;
}

public void paintBackground( java.awt.Graphics g) {
	g.setColor(SystemColor.control);
	g.fillRect(0, 0, getBounds().width, getBounds().height);
	g.setColor(Color.darkGray);
	g.drawLine(0, 0, getBounds().width-1, 0);
	g.drawLine(0, 0, 0, getBounds().height-1);
	g.setColor(Color.white);
	g.drawLine(getBounds().width-1, 0, getBounds().width-1, getBounds().height-1);
	g.drawLine(0, getBounds().height-1, getBounds().width-1, getBounds().height-1);
}

public void paintStatus ( java.awt.Graphics g) {
	g.setColor(getStatusColor());
	Rectangle r= new Rectangle(0, 0, fProgressX, getBounds().height);
	g.fillRect(1, 1, r.width-1, r.height-2);
}

private void paintStep ( int startX, int endX) {
	Graphics g= getGraphics();
	g.setColor(getStatusColor());
	int s= startX;
	g.fillRect(s, 1, endX-s, getBounds().height-2);
}

public void reset () {
	fProgressX= 1;
	fProgress= 0;
	fError= false;
	paint(getGraphics());
}

public int scale (int value) {
	if (fTotal > 0)
		return Math.max(1, value*(getBounds().width-1)/fTotal);
	return value; // hack
}

public void setBounds (int x, int y, int w, int h) {
	super.setBounds(x, y, w, h);
	fProgressX= scale(fProgress);
}

public void start ( int total) {
	fTotal= total;
	reset();
}

public void step ( boolean successful) {
	fProgress++;
	int x= fProgressX;

	fProgressX= scale(fProgress);

	if (!fError && !successful) {
			fError= true;
			x= 1;
	}
	paintStep(x, fProgressX);
}
}