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I have banking gui application that I am currently working on and there seems to be a problem with the setvisible method for my jdialog. After the user has withdrawn a valid amount I pop up a simple dialog that says "transaction in progress". In my dobackground method i keep polling to check if the transaction has been received. I tried using swingworker and I don't understand why it's not working. If i remove the setvisible call it works fine, so why does setvisible cause the system to hang? Here is the code that is inside my jbutton mouselistener:
SwingWorker<String,Integer> worker = new SwingWorker<String,Integer>(){
JDialog waitForTrans = new JDialog((JFrame)null,true);
public String doInBackground() throws Exception {
waitForTrans.add(new JLabel("Updating balance in system. Please Wait..."));
waitForTrans.setMinimumSize(new Dimension(300,100));
waitForTrans.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
waitForTrans.setVisible(true);
Bank.getInstance().sendTransaction(currentPin,"-"+withdraw);
while(!Bank.getInstance().hasCompletedTransaction){
}
return null;
}
public void done(){
try {
this.get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
waitForTrans.setVisible(false);
newField.setText(String.valueOf(Bank.getInstance().getAccountList().get(currentPin).getBalance()));
}
};
worker.execute();