How to wait for child LOV programmatically to refresh

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  Hello
  
  My problem is that I use the new dynamic action to implement features of LOV cascading to the Apex 4 which means not having to submit the page to update child LOVs after parent LOV changes.
  
  What I find, is that when you change the value LOV parent, then the child LOV (which has a return value of zero) is not or by default in the return value zero (in my case no selection should return-1) if the list is filtered to a different set of values, which is not a selection valid. The LOV child is left without a choice when I need its default value to the return value zero (-1, which represents all values).
  
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  I don't know if I get your problem and I tried to reproduce.

  http://Apex.Oracle.com/pls/Apex/f?p=2672:6 is my example with a LOV cascading where I also defined a dynamic action that is triggered when P6_EMPNO changes and it shows the current selection.

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  Concerning
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  -----------
  My Blog: http://www.inside-oracle-apex.com
  APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins
  Twitter: http://www.twitter.com/patrickwolf

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  : Edit:
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  -----
  
  A NBS are:
  
  

  import java.awt.event.*;
  import java.awt.*;
  import javax.swing.*;
  
  
  
  public class Main extends JFrame implements ActionListener {
  
      /**
       * @param args the command line arguments
       */
      public static void main(String[] args) {
          new Main();
      }
  
  
      JButton go = new JButton("Show custom input dialog");
  
      public Main() {
          setSize(300,150);
          setLocationRelativeTo(null);
          setLayout(new FlowLayout());
          go.addActionListener(this);
          add(go);
          setVisible(true);
      }
  
      public void actionPerformed(ActionEvent e) {
          InputDialog d = new InputDialog();
  
          /*
           * Here is the problem it is necessary that I create a
           * custom input dialog to allow further modifications however
           * i'm not sure how to wait for the user to enter text and press
           * continue in that input dialog. Unlike JOptionPane the code executes
           * before the user presses continue. My question is how do I wait for the user
           * to press continue in the InputDialog before I call d.getString(); without making the main
           * application unresponsive.
           */
  
          String returnValue = d.getString();
          System.out.println("return value "+returnValue); //will be null or empty because application doesn't wait for input.
      }
  
  
      class InputDialog extends JFrame implements ActionListener {
          JTextField f = new JTextField();
          JButton go = new JButton("Continue");
  
          public InputDialog() {
              setTitle("Custom Input Dialog");
              setSize(300,150);
              setLocationRelativeTo(null);
              setLayout(new FlowLayout());
              f.setPreferredSize(new Dimension(100,25));
              go.addActionListener(this);
              add(f);
              add(go);
              setVisible(true);
          }
  
          public void actionPerformed(ActionEvent e) {
  
          }
  
          public String getString() {
              return f.getText();
          }
      }
  }

  Published by: neptune692 on January 3, 2011 13:25

  neptune692 wrote:
  .. a JOptionPane does not allow me to add the other components too it such as JLabels and other GUI. ..

  Of course, it does!

  import java.awt.event.*;
  import java.awt.*;
  import javax.swing.*;
  
  public class DumbNameMain extends JFrame implements ActionListener {
  
      /**
       * @param args the command line arguments
       */
      public static void main(String[] args) {
          new DumbNameMain();
      }
  
      JButton go = new JButton("Show custom input dialog");
  
      public DumbNameMain() {
          setSize(300,150);
          setLocationRelativeTo(null);
          setLayout(new FlowLayout());
          go.addActionListener(this);
          add(go);
          setVisible(true);
      }
  
      public void actionPerformed(ActionEvent e) {
          JTextField f = new JTextField(10);
          JButton go = new JButton("Continue");
          JPanel p = new JPanel(new FlowLayout());
          p.add(f);
          p.add(go);
          JOptionPane.showMessageDialog( this, p );
  
          String returnValue = f.getText();
          System.out.println("return value "+returnValue);
      }
  }
  

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  SELECT *
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