protected boolean setDir(JTextField txf, String strValue) {
String strTxt = txf.getText();
String strName = txf.getName();
boolean bSet = false;
if ((strTxt == null || strTxt.trim().length() == 0 || strTxt.equals(INFOSTR))
&& strName.equalsIgnoreCase("value")) {
if (timer != null) {
timer.cancel();
txf.setForeground(Color.black);
}
bSet = true;
txf.setText(strValue);
txf.grabFocus();
}
return bSet;
}
/**
* The Memory Monitor sets up a 5 second Timer which displays the amount of remaining memory
* (compared to the total memory we have).
*/
private void setupMemoryMonitor() {
memoryTimer = new java.util.Timer("Memory monitor", true);
memoryTimer.schedule(
new TimerTask() {
@Override
public void run() {
// We need to set this off in the Event Thread.
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
// Calculate the memory we have.
long value =
(Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())
/ (1024 * 1024);
long max = Runtime.getRuntime().maxMemory() / (1024 * 1024);
int percentage = (int) (((double) value) / max * 100);
// Set the progress bar.
progressBar.setMinimum(0);
progressBar.setMaximum(100);
progressBar.setValue(percentage);
progressBar.setString(
value + " MB out of " + max + " MB (" + percentage + "%)");
}
});
}
},
new Date(),
5000); // Every five seconds.
}