Make sure in same (EDT) event dispatching thread

I have a main class:

public class Main extends JFrame {
  public static void main(String args[]) {
 SwingUtilities.invokeLater(new Runnable() {
       public void run() {
       Main m = new Main();
       m.initGUI(); 
      }
 }); 
 public void initGUI() {
   //add components for this JFrame
   //add JPanel with table
   //etc..
   this.pack();
   this.setLocationRelativeTo(null);
   this.setVisible(true);
  }

}

then I have a class which extends JPanel:

class CTable extends JPanel {
  JTable table;
   public void initGUI() {
  //add components, table to JPanel etc...
  //action listeners to table
 }
 public void handleTableRowOnClick(String data) { 
   InfoDialog d = new InfoDialog(data);
   //HERE IS MY PROBLEM
   //do something else here (THIS SHOULD EXECUTE BUT IT DOESN'T) such as:
   String test = "test"
   //(IT ONLY EXECUTES AFTER I CLOSE THE DIALOG)
    //and I need the ModalityType.APPLICATION_MODAL functionality
 } 
}

then I have another class:

class InfoDialog extends JDialog {
  JComboBox cb;
  String data;
   public void initGUI() { 
    //add components such as JComboBox
    //etc...
    this.setModalityType(ModalityType.APPLICATION_MODAL);
    this.setTitle("test");
    this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    this.pack();
    this.setLocationRelativeTo(null);
    this.setVisible(true);
  }
  public InfoDialog(String data) {
   this.data = data;
   this.initGUI();
  }

}

My question is what is the best method in this situation to make sure InfoDialog instance is in the same event dispatching thread (EDT)?

Thank you for any responses.

Answers


The best solution would be to check EventQueue.isDispatchingThread BEFORE you create the dialog...

public void handleTableRowOnClick(final String data) { 
    Runnable runner = new Runnable() {
        public void run() {
            InfoDialog d = new InfoDialog(data);
        }
    }
    if (EventQueue.isDispatchingThread()) {
        runner.run();
    } else {
        EventQueue.invokeLater(runner);
    }
} 

As I said in you previous question, it should the responsibility of the caller to ensure that the code is executed correctly not your components.


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