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package gjt.test;
import java.awt.*;
import java.applet.*;
import gjt.Bargauge;
/**
* An array of either horizontal or vertical animated bargauges.
* The orientation of the bargauges is controlled by a parameter
* passed into the applet.<p>
*
* <em>
* Warning: An AWT bug causes this test to be a gluttenous
* consumer of resources (especially under Win95). A mouse down
* will halt the animation thread along with its consumption of
* resources.<p>
* </em>
*
* @version 1.0, April 25, 1996
* @author David Geary
* @see gjt.test.UnitTest
* @see gjt.Bargauge
*/
public class BargaugeTest extends UnitTest {
private Bargauge[] gauges = new Bargauge[10];
private Thread animatorThread;
private boolean running;
public String title() {
return "Bargauge Test";
}
public Panel centerPanel() {
return new BargaugeTestPanel(
gauges, getParameter("orientation"));
}
public boolean mouseDown(Event event, int x, int y) {
if(running == true) {
animatorThread.suspend();
running = false;
}
else {
animatorThread.resume ();
running = true;
}
return true;
}
public void start() {
super.start();
animatorThread = new BargaugeAnimator(gauges);
animatorThread.start();
running = true;
}
public void stop() {
super.stop();
animatorThread.suspend();
running = false;
}
}
class BargaugeTestPanel extends Panel {
public BargaugeTestPanel(Bargauge[] gauges, String orient) {
Panel bargaugePanel = new Panel();
setLayout(new BorderLayout());
add("North",
new Label("Mouse Down Starts/Stops",Label.CENTER));
add("Center", bargaugePanel);
bargaugePanel.add(new BargaugeGridPanel(gauges,orient));
}
}
class BargaugeGridPanel extends Panel {
private Dimension preferredSize = new Dimension(200, 250);
public BargaugeGridPanel(Bargauge[] gauges, String orient) {
Bargauge nextGauge;
Color color = Color.gray;
if("horizontal".equals(orient))
setLayout(new GridLayout(gauges.length,0,5,5));
else
setLayout(new GridLayout(0,gauges.length,5,5));
for(int i=0; i < gauges.length; ++i) {
switch(i) {
case 1: color = Color.darkGray; break;
case 2: color = Color.blue; break;
case 3: color = Color.magenta; break;
case 4: color = Color.yellow; break;
case 5: color = Color.green; break;
case 6: color = Color.cyan; break;
case 7: color = Color.orange; break;
case 8: color = Color.pink; break;
case 9: color = Color.red; break;
case 10: color = Color.yellow; break;
}
nextGauge = new Bargauge(color);
gauges[i] = nextGauge;
add(nextGauge);
}
}
public Dimension preferredSize() { return preferredSize; }
public Dimension minimumSize () { return preferredSize; }
}
class BargaugeAnimator extends Thread {
private Bargauge[] gauges;
private boolean firstAnimation = true;
public BargaugeAnimator(Bargauge[] gauges) {
this.gauges = gauges;
}
public void run() {
int count = gauges.length;
while(true) {
try { Thread.currentThread().sleep(500,0); }
catch(InterruptedException e) { }
for(int i=0; i < count; ++i) {
gauges[i].setFillPercent(Math.random() * 100);
gauges[i].fill();
if(firstAnimation)
System.out.println(gauges[i].toString());
}
firstAnimation = false;
}
}
}
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