public JobStatusBar(JobManager jobManager, boolean alwaysVisible) {
super(new GridBagLayout());
this.jobManager = jobManager;
this.alwaysVisible = alwaysVisible;
jobManager.addChangeListener(managerListener);
updateComponents();
}
protected void updateComponents() {
setVisible(alwaysVisible || jobManager.isActive());
Job[] jobs = jobManager.getActiveJobs();
List<JobPanel> toKeep = new ArrayList<JobPanel>();
int toRemoveCtr = 0;
for (int a = 0; a < getComponentCount(); a++) {
Component c = getComponent(a);
if (c instanceof JobPanel) {
JobPanel jp = (JobPanel) c;
int i = getIndex(jobs, jp.job);
if (i != -1) {
toKeep.add(jp);
jobs[i] = null;
} else {
toRemoveCtr++;
}
}
}
if (toKeep.size() == jobs.length && toRemoveCtr == 0) return;
removeAll();
GridBagConstraints c = new GridBagConstraints();
c.gridx = 1;
c.gridy = 1;
c.weightx = 1;
c.weighty = 0;
c.fill = GridBagConstraints.BOTH;
for (JobPanel jp : toKeep) {
add(jp, c);
c.gridy++;
}
for (int a = 0; a < jobs.length; a++) {
if (jobs[a] != null) {
add(new JobPanel(jobs[a]), c);
c.gridy++;
}
}
c.weighty = 1;
fluff.setOpaque(false);
add(fluff, c);
revalidate();
}
