JPanel « Layout « Java Swing Q&A





1. Can a layout manager spawn several JPanels?    stackoverflow.com

I have to build a rather large form with many controls. The controls are divided in basic controls/settings and extended controls/settings. The user can decide if he wants to see only ...

2. NetBeans form designer: Change layout after call to initComponents    stackoverflow.com

I have a class that extends javax.swing.JPanel, it contains a single JButton. I've created the class in NetBeans designer. As such, I have a initComponents() function thats called from the class ...

3. JPanel forgets its position    stackoverflow.com

I have a JPanel that should be positioned. I tried to use setBounds in the panels constructor, but it didn't work. It seems like the bounds are forgotten when I ...

4. JPanel layout Issue    stackoverflow.com

So I have a slight issue with adding two JPanels to a main main panel. I've put it as a quick example of what I want to do since you ...

5. How to get x and y position of JPane in JPanel    stackoverflow.com

I have a JEditorPane in a JPanel. I want to know how far from the left and the right the JEditorPane is from the edge of the JPanel (or the frame ...

6. Difference between a JPanel and a LayerManager    stackoverflow.com

Ok I gather that every JComponent can set its location...bet it JPanel, JButton, JLabel..whatever. It can set its location use .setLocation(x,y). I have come to suspect that actually when I do

JButton ...

7. Some issues with layout managers and scrollpanes, not showing objects    stackoverflow.com

I'm having an issue in my application. I wish to dynamically create several "tabbed" scrollpanes that hold a semi-large amount of objects called "ImageLabels", which are just labels with (you guessed ...

8. Reinstantiating jpanels    stackoverflow.com

I need to reinstantiate a JPanel in an application I'm writing (basically it's an input window where the user can build a graph, and I'd like the user to be able ...

9. WindowBuilder doesn't allow all layouts in JPanel    stackoverflow.com

When I go to Properties of a JPanel, I can't set the Layout to SpringLayout or FormLayout. Is this a limitation of Java Swing or WindowBuilder? If SpringLayout is not available, ...





10. How To Start A JPanel After Switching    stackoverflow.com

I am creating a Pong clone with a menu and the actual game itself. I am using a CardLayout to switch between the two JPanels. However, when I switch from the ...

11. My JPanels doesn't show as i want them    stackoverflow.com

Im trying to make the look of my application to look something like this: How i want my application to look But when i try to make this i get something ...

12. Hide JPanel without breaking the layout    stackoverflow.com

I do have a screen in which i placed 3 panels like

  • Main Panel
    • Left panel
    • Right Panel
Booth panels will have half of the parent panel size. I want to hide the left panel, ...

13. How to add new Graphic element to JPanel and use its link to change its position in loop?    stackoverflow.com

I need only one ring to be created on MyPanel (extends JPanel) initialization. Then I need to change (in a loop iterate() ) position of ring on MyPanel. How and what ...

14. JPanel becomes invisbile when set to GridLayout in GUI    forums.netbeans.org

Hi, I added a JPanel to my JFrame and set its layout to GridLayout via GUI. JPanel becomes invisible now. There is no way I modify its propeties via GUI. Generated code makes modification worst. I have to use custom code if JPanel property changes are required. Is there any way I can see JPanel in GUI and modify it using ...

15. Positioning a jPanel in Gridbaglayout    forums.netbeans.org

Project folder: http://www.4shared.com/file/izag049f/LensSimulation.html In my application, I have a jPanel that contains all of the components, but for some reason it is in the center of the screen when I want it to be at the top. The netbeans gui builder was extremely helpful thus far, but I can't seem to drag the jPanel to the top. If anyone could take ...

16. How do I add a JPanel/GridLayout without it completely disappearing?    forums.netbeans.org

SO I drag a JPanel from the Palette onto my GUI builder canvas, and then right-click > Set Layout > Grid Layout, and then ka-ZWITT! it disappears (I'm tellin' ya, this IDE needs sound effects to accompany its more startling behaviors). Of course, I can locate it via the the Inspector; it's now a tiny little cluster of control points, but ...





17. JPanel and Layouts    coderanch.com

18. Problem with gridbaglayout in JPanel    coderanch.com

Hello I am trying to display contact information in three seperate Jpanels on tabbbed panes.I would like to get help in configuring maybe just the pane of void showPane1().I need something like Searchlb | Combodropname1 firstnamelb | firstnametxt | lastnamelb | lastnametxt Addresslb addresslb.Horizontal-----------------------*- citylb | citytxt | statelb | statetxt postcodelb | postcodetxt | countrylb | countrytxt emaillb | emailtxt ...

19. Obtaining Current Layout for JPanel    coderanch.com

20. Positioning JPanels in a JPanel    coderanch.com

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class PanelSwap { public static void main(String[] args) { JFrame f = new JFrame(); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setContentPane(new ComplexPanel()); f.setSize(400,400); f.setLocation(200,200); f.setVisible(true); } } class ComplexPanel extends JPanel { CardLayout cards; JPanel panel; public ComplexPanel() { JButton toggle = new JButton("toggle visibility"); toggle.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { cards.next(panel); } }); JPanel north = ...

21. JPanels within JPanels that have no layout manager    coderanch.com

Yes, I did. I've been fiddling around a bit more and noticed something critical. This same object instance-- again, I call it the Device Panel-- is to be displayed in three different JPanels. At least, that's the intent. It seems as though it is only displayed by the last JPanel to have added it during the applet's construction. Why is this ...

22. jpanel position    coderanch.com

Suppose I have a JFrame and JPanel. I make the size of JPanel(e.g. size 300*300) smaller than the JFrame(e.g size 500*500) and add the JPanel to the JFrmae's contentPane. I want to always keep the size of the JPanel(e.g it should not expand)and dispay it in the middle of the JFrame, even the JFrame is resized. Can anyone please tell me ...

23. Problem adding JPanels to a box layout    coderanch.com

25. Changing a Layout in JPanel at runtime    coderanch.com

Hi all, I have a frame with two panels, one is with JRadio buttons to choose a layout for the second panel,that sits above it.I can't get the panel to change layouts? I have an Itemlistener and check wich layout is set, but not sure how to continue.I am not sure where then to call the setLayout(layout); layout is a LayoutManager ...

26. chessboard problem with JPanel and GridLayout    java-forums.org

import java.awt.*; import java.awt.event.*; import javax.swing.*; public class tablero1 extends JFrame { private Container contenedor; private JPanel[][] Cuadro; public tablero1() { contenedor=getContentPane(); contenedor.setLayout(new GridLayout(8,8)); setSize(600,600); setDefaultCloseOperation(EXIT_ON_CLOSE); pintarCuadros(); } public void pintarCuadros() { Cuadro=new JPanel[8][8]; for(int x=0;x<8;x++) { for(int y=0;y<8;y++) { if(x%2==0) { if(y%2!=0) { Cuadro[x][y]=new JPanel(); Cuadro[x][y].setBackground(Color.BLACK); contenedor.add(Cuadro[x][y]); } else { Cuadro[x][y]=new JPanel(); Cuadro[x][y].setBackground(Color.WHITE); contenedor.add(Cuadro[x][y]); } } else { if(y%2==0) { ...

27. JPanel / layout problems    java-forums.org

Hey folks.. I am having a problem with using a few of the layouts within a JPanel. For some reason if I use flowlayout or gridlayout the components of the panel display. If i use springlayout, boxlayout, or absolute positioning the panel does not display. I have the panel embedded in a JFrame. Here is the code snippet for one of ...

28. JPanel positioning    forums.oracle.com

hi, thats great, ive added the code and the text is further away from edges, thanks! however, im still having a problem in moving the radio buttons (located in a panel in the center) further away from the welcome text (north). is there a way of moving apart two specific panels within a container? thanks again for all the help torre ...

29. positioning JPanels?    forums.oracle.com

30. jpanel positioning    forums.oracle.com

okei the last msg did not show what i wanted... basically i wan panel A to b shown on the on the left, den panel B and C on the right of panel A but panel C is below B because by default, jvm will arranged it panel A next to panel B which is then next to panel C thanks ...

31. Layout for listing JPanels    forums.oracle.com

Hi I have this JPanel that works as a list, it adds other JPanels to it. I wnat these JPanels to have the same width as the "list" JPanel but the height I want to keep dynamic (with a minimum hieght of like 30px). Has anyone got an idea of how this can be done? Please help. //Considerate

32. Layout for listing JPanels    forums.oracle.com

Hi I have this JPanel that works as a list, it adds other JPanels to it. I wnat these JPanels to have the same width as the "list" JPanel but the height I want to keep dynamic (with a minimum hieght of like 30px). Has anyone got an idea of how this can be done? Please help. //Considerate

33. GUI layout problems with JPanel    forums.oracle.com

34. Layout managers and JPanels    forums.oracle.com