Solved

Get data from Dialog Window.

Posted on 1998-07-01
3
203 Views
Last Modified: 2010-03-30
Hello, I have a problem with a Dialog Window, it has a TextField and a Button in order to input a String. Till here, everything works fine, but the problem is How to send this String value to parent window ?.
Here's the code:

 import java.awt.*;


public class window3 extends java.applet.Applet {
 Frame marco;
 Button abre;
 TextArea ta;

 
   
 public void init() {
  resize(140, 100);
  ta = new TextArea(3,10);
  abre = new Button("Open window");
  ta.appendText(nuevoNom);
  add(ta);
  add(abre);
  marco = new MiMarco("Change Name Window");
  marco.resize(380,50);
  marco.hide();
 }

 public boolean action(Event evt, Object algo) {
  Object target = evt.target;
 
  if(target == abre) {
    marco.show();
   return true;
  }

  return false;
 }
 
}
 



 
 class MiMarco extends Frame {
  String nuevoNom;
  TextField newnom;
  Button cambianom;
  Label cambiarn;

  MiMarco(String title) {
   super(title);
   setLayout(new GridLayout(1,1));
   cambiarn = new Label("New name:");
   newnom = new TextField(24);
   cambianom = new Button("Accept");
   add(cambiarn);
   add(newnom);
   add(cambianom);
  }
 
  public boolean action(Event evt, Object algo) {
   Object target = evt.target;

   if(target == cambianom) {
     nuevoNom = newnom.getText();
     newnom.setText("");
     hide();
    return true;
   }
   
   return false;
  }  
 
 }


In other words, I'd like to use "nuevoNom" String value in public class window3, How do I do that?.

   Thanks a lot.
0
Comment
Question by:Deladier
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
3 Comments
 
LVL 5

Accepted Solution

by:
msmolyak earned 40 total points
ID: 1224306
If I understand it correcrly, MiMacro is the dialog which accepts teh string which you want to display in an applet (Why do you extend a Frame, not a dialog then?).

Why do you instantiate MiMacro after you set the string in the applet. You should probably first create the dialog get the string and then use it in the applet.

public void init() {

      marco = new MiMarco("Change Name Window");
      marco.resize(380,50);
//      marco.hide();  you do need to call hide here, you can do it in the Dialog's action method.
     
     // make sure the dialog is modal, then the processing will not
     // continue until you hide it.

    // Now get the string (getString() is the method in MiMacro which returns the string).
      nuevoNom = macro.getString();
      resize(140, 100);
      ta = new TextArea(3,10);
      abre = new Button("Open window");
      ta.appendText(nuevoNom);
      add(ta);
      add(abre);
     }
0
 

Author Comment

by:Deladier
ID: 1224307
Sorry, I'm still learning about Frames and Dialogs. Do you know where I can get more  examples related?.

   Thanks.
0
 
LVL 5

Expert Comment

by:msmolyak
ID: 1224308
Two points:
- Frame is usually the main application window, while the Dialog is a subordinate window which always requires a frame as a parent.
- Dialog can be modal. Modal dialog when displayed (by setVisible(true)) immediately blocks the calling thread (usually that means that you cannot do anything until you close the dialog) which continues only after you close the dialog (with setVisible(false)).

I am sure Java Tutorial on Javasoft's Web (www.javasoft.com) site talks about that.
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Java string replace 11 80
Java: The Public Class Main 4 68
Github api to fetch the number of collaborators in a git repo 1 70
Java array 21 151
In this post we will learn how to connect and configure Android Device (Smartphone etc.) with Android Studio. After that we will run a simple Hello World Program.
In this post we will learn how to make Android Gesture Tutorial and give different functionality whenever a user Touch or Scroll android screen.
Viewers will learn one way to get user input in Java. Introduce the Scanner object: Declare the variable that stores the user input: An example prompting the user for input: Methods you need to invoke in order to properly get  user input:
Viewers will learn about basic arrays, how to declare them, and how to use them. Introduction and definition: Declare an array and cover the syntax of declaring them: Initialize every index in the created array: Example/Features of a basic arr…
Suggested Courses

752 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question