Update « JFrame « Java Swing Q&A





1. JFrame Update problem    stackoverflow.com

Please, help! How can I update my JFrame content(add new JPanel, add button, etc) after some action take place, like press button? Thanks!

2. How to flash a JFrame on the Windows taskbar when it needs attention    stackoverflow.com

I'm a computer science student working on a Yahoo! Messenger-like program implemented in Java. My problem is that whenever the JTextArea inside my frame contains new message updates, the user must be ...

3. How to keep Java Frame from waiting?    stackoverflow.com

I am writing a genetic algorithm that approximates an image with a polygon. While going through the different generations, I'd like to output the progress to a JFrame. However, it seems ...

4. java swing updating content in frame    stackoverflow.com

I'm currently working on a sample application in java. I haven't really used java for much more than hello world before so please bear with me. I've set my application up ...

5. updating view only after changing the size of JFrame    stackoverflow.com

So I have a JFrame in which inside of it I have a JScrollPane and inside the JScrollPane I have a JPanel. I have a button click mouse listener that modifies ...

6. How to update a component in one window from another window in Netbeans Platform?    stackoverflow.com

I'm fairly new to Netbeans Platform. Here is what I'm trying to do, I have two windows, one is the main window which is 'editor' and the second one is an ...

7. JFrame Components To Update Help (Java)    stackoverflow.com

Alright. So I have a JFrame, and it has a JLabel. I call the JFrame, and it displays properly (with the label). So now I want to call an updater to ...

8. Displaying and manipulating updated image    stackoverflow.com

This program should first open an image, and then allow it to be manipulated via grayscale, scale, and rotate methods (not functional at the moment; disregard it). However, I'm not sure ...

9. updating list dynamically on the frame    coderanch.com

Hi everybody, I have 2 buttons in a panel on a frame which triggers event.one saves the data from a textfield to databse and the other get the data from database and populate into the list which i have added to the frame.When i click the view button it paints a list with data from database.And if i save (click the ...





10. Problem updating a window    coderanch.com

What I am trying to do is have a logout frame popup once a user clicks on Logout from the menubar. This is working fine. What I want to do is once the user pushes the Logout button, I want some of the menu items on the main frame to be disabled. Here is the code I have but it's not ...

11. Dynamically updating frame has me stumped.    coderanch.com

Hello all, I am new to java and am having trouble dynamically updating a frame. Here is some sample code: import javax.swing.*; import java.awt.event.*; import java.awt.*; public class AppController { JFrame frame; public static void main(String[] args){ new AppController().go(); } void go(){ frame = new JFrame("Main Frame"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JButton northButton = new JButton("North Button"); JButton southButton = new JButton("South Button"); southButton.addActionListener(new ...

12. Window Update Problem If Window is Being Moved    coderanch.com

All- I have a small Swing application that makes a couple of additional buttons visible if the application switches into a configuration state. The buttons are added to their parent JPanel when the JPanel is first instantiated, but they are only made visible when the application enters configuration mode. When the application enters configuration mode the visibility on the buttons is ...

13. Swing, JApplet, and why do I need to resize the window for updates to show?    coderanch.com

All, I've run into something of a stumbling block, no doubt due to the fact that I haven't used Swing in a while. Anyway, I'm actually writing a small applet program, although I've also included a "main" so I can test it from the command line without a browser. Behavior both from within the browser and stand-alone are the same. The ...

14. Update Data between Frames    coderanch.com

Hi, i can't figure it out how to solve this, the thing is that i have a Frame_A with a JList in it, then another frame: frame_B with a couple of textFields, i call the frame_B from the frame_A, i fill the textFields and the i need to click a Save button and insert the content of the textfields in the ...

15. Update the JFrame after change the Content Pane    java-forums.org

Dear All, I would like to change the content pane after pressing a button by the method : frame.setContentPane(newcContentPane); However, I find that it doesn't work. The Frame appears to be "Frozen" after I pressed the button. Here is my code: import javax.swing.*; import java.awt.event.*; public class Test{ JFrame main; JPanel panel1; JPanel panel2; public Test(){ main = new JFrame(); panel1 ...

16. Updating JFrame    java-forums.org

Hi, I'm not very experienced with Java, so I apologize for wasting your time if this problem is an easy fix. I'm working currently on a GUI, and I want it to have various tabs. For example, I want one tab to be a "main menu", with another tab being for data entry, or viewing results. In essence I want it ...





17. JFrame not "updating"    java-forums.org

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Inter extends JFrame{ //was trying to get it to work :-P JButton create,play,pc,mobs,skills,items; public Inter(boolean main){ super("RPAGE"); setLayout(new FlowLayout()); play = new JButton("Play"); create = new JButton("Create"); add(play); add(create); main=true; cre crea =new cre(); create.addActionListener(crea); play.addActionListener(crea); } private class cre implements ActionListener{ public void actionPerformed(ActionEvent create1){ pc=new JButton("Create New Pc's"); skills =new JButton("Create ...

18. How do I update a JFrame?    java-forums.org

I'm trying to switch from one JPanel to another in my JFrame and I just can't get it to Update the JFrame. I've reproduce a lighter version of my code to make it easyer to read. The original one got more stuff and the JPanel with Events are in seperate files. Here's the simple version of the code: import java.awt.*; import ...

19. Problem with Updating Components inside a JFrame    forums.oracle.com

Hi, I have a JPanel with an array of JLabels, on a JFrame. On the same JFrame i have a Jbutton which when clicked should replace the array of JLabels with an array of ModifiedLabel, which is a class i wrote which extends JLabel but has a JPopupMenu associated with each ModifiedLabel. Basically the problem is that the JLabels inside the ...

20. Updating JFrame.    forums.oracle.com

Hi, Yes you can do it. First create a JLabel with no values like: JLabel jl = new JLabel(""); By using setBounds() set its position at the end part of the frame. Now when you have generated your report, (most probably by clicking a button), in the action part give , jl.setText(report); where report is the String variable representing the report ...

21. How to update a JFrame    forums.oracle.com

I have a JFrame called UserInterface that has a JPanel called LoginButtonPanel added to it. In the LoginButtonPanel I have a JButton that when clicked it should add another class called UserLogin that extends JPanel to the UserInterface JFrame. I'm not really sure on how to do this and I'm really new to GUI code so if you could dumb down ...

22. Disable and enable window update in Swing    forums.oracle.com

Hello! Is there a way, in Swing, to disable frames update while we make changes to the UI and enable it later? Using Windows API I could write in Delphi: LockWindowUpdate(Handle); // disable try // update ui finally LockWindowUpdate(0); // enable, showing the changes made end; Is there something similar in Java? Thank you. Marcos