package com.sshtools.ui.awt;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Rectangle;
public class ProgressBar extends Canvas {
public ProgressBar(int min, int max, int val) {
this.min = min;
this.max = max;
this.val = val;
}
public Dimension getPreferredSize() {
return new Dimension(100, 16);
}
public Dimension getMinimumSize() {
return new Dimension(super.getMinimumSize().width, 16);
}
public int getMax() {
return max;
}
public void setMax(int max) {
this.max = max;
repaint();
}
public int getMin() {
return min;
}
public void setMin(int min) {
this.min = min;
repaint();
}
public int getVal() {
return val;
}
public void setVal(int val) {
this.val = val;
paintAll(getGraphics());
}
public Color getProgressColor() {
return progressColor;
}
public void setProgressColor(Color progressColor) {
this.progressColor = progressColor;
repaint();
}
public String getProgressString() {
return progressString;
}
public void setProgressString(String progressString) {
this.progressString = progressString;
repaint();
}
public void paint(Graphics g) {
super.paint(g);
Rectangle bounds = getBounds();
g.setColor(getForeground());
g.drawRect(0, 0, bounds.width, bounds.height);
g.setColor(progressColor != null ? progressColor : Color.blue);
float scale = (float) val / ((float) max - (float) min);
g.fillRect(1, 1, (int) ((float) (bounds.width - 2) * scale),
bounds.height - 2);
String s = progressString != null ? progressString : (int) (scale * 100F)
+ "%"; //$NON-NLS-1$
FontMetrics fm = getFontMetrics(getFont());
int swidth = fm.stringWidth(s);
g.setColor(getForeground());
g.drawString(s, (bounds.width - swidth) / 2, bounds.height / 2
+ ( fm.getMaxAscent() / 2));
}
private int min;
private int max;
private int val;
private Color progressColor;
private String progressString;
}