@Override
public void propertyChange(PropertyChangeEvent evt) {
String propName = evt.getPropertyName();
// We already have watchAdded & watchRemoved. Ignore PROP_WATCHES:
// We care only about the current call stack frame change and watch expression change here...
if (!(JPDADebugger.PROP_STATE.equals(propName)
|| Watch.PROP_EXPRESSION.equals(propName)
|| Watch.PROP_ENABLED.equals(propName)
|| JPDADebugger.PROP_CURRENT_CALL_STACK_FRAME.equals(propName))) return;
final WatchesModel m = getModel();
if (m == null) return;
if (JPDADebugger.PROP_STATE.equals(propName)
&& m.debugger.getState() == JPDADebugger.STATE_DISCONNECTED) {
destroy();
return;
}
if (m.debugger.getState() == JPDADebugger.STATE_RUNNING
|| JPDADebugger.PROP_CURRENT_CALL_STACK_FRAME.equals(propName)
&& m.debugger.getCurrentCallStackFrame() == null) {
return;
}
if (evt.getSource() instanceof Watch) {
Object node;
synchronized (m.watchToValue) {
node = m.watchToValue.get(evt.getSource());
}
if (node != null) {
m.fireTableValueChangedChanged(node, null);
return;
}
}
if (task == null) {
task =
m.debugger
.getRequestProcessor()
.create(
new Runnable() {
public void run() {
if (verbose) System.out.println("WM do task " + task);
m.fireTreeChanged();
}
});
if (verbose) System.out.println("WM create task " + task);
}
task.schedule(100);
}
private void destroy() {
DebuggerManager.getDebuggerManager()
.removeDebuggerListener(DebuggerManager.PROP_WATCHES, this);
JPDADebugger d = debugger.get();
if (d != null) d.removePropertyChangeListener(this);
Watch[] ws = DebuggerManager.getDebuggerManager().getWatches();
int i, k = ws.length;
for (i = 0; i < k; i++) ws[i].removePropertyChangeListener(this);
if (task != null) {
// cancel old task
task.cancel();
if (verbose) System.out.println("WM cancel old task " + task);
task = null;
}
}
public boolean isFinished() {
return task.isFinished();
}
public boolean cancel() {
if (task.cancel()) {
return true;
}
return false;
}
public void schedule(int delay) {
task.schedule(delay);
}
public void waitFinished() {
if (task == null) {
throw new IllegalStateException();
}
task.waitFinished();
}