Panel « JPanel « Java Swing Q&A





1. How to create a sidebar panel in OpenOffice?    stackoverflow.com

I want to create an OpenOffice.org plug-in that adds a sidebar. I have successfully installed OpenOffice.org, OpenOffice.org SDK and NetBeans OpenOffice plug-in. I am familiar with Java, AWT and Swing, so no need ...

2. winforms panels vs java swing panels    stackoverflow.com

In java swing I can insert panels into panels and so on, and not have to build a brand new window for every view of my applicaiton, or mess around removing ...

3. Can panels communicate with each other?    stackoverflow.com

I'm trying to call a method from a panel class, however it does not result in anything. Can panels communicate with each other? Or is there another reason why this isn't ...

4. How to set more panels in Java    stackoverflow.com

I need to get two JPanels into one JApplet.

paneel = new RekenmachinePaneel();
nummer = new NummerPaneel();
setContentPane(paneel);
Now I need to get the nummer panel to show up beneath the paneel. How should I ...

5. Swing Panel Question    stackoverflow.com

Ok, so I've been pulling my hair out over this all day. I cannot get my panels to resize. I add a panel to anything.. a frame, a content pane, and ...

6. Netbeans JCalendar Panel    stackoverflow.com

Hello all
This code inside a JFrame form created in netbeans works fine as i'm trying to put a JCalendar in a panel that i create manually.

JCalendar myCalendar =new JCalendar();
JPanel customPanel = ...

7. How to get value from 1st panel and insert in 2nd panel in Java Swing    stackoverflow.com

I had employ name Text Field in 1st panel in D module. when i click generate button the employ name automatically update in display panel Employe Name Textfield in E module. ...

8. java gui panel help please    stackoverflow.com

i would like to have the image appear on top of the grid however they seem to be packed into to different panels. please help

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.imageio.ImageIO;
import javax.swing.*;

@SuppressWarnings("serial")
public class ...

9. Java Swing: Making a panel to want to be as wide as possible    stackoverflow.com

At my JFrame I'd like to have a dashboard on the right and a custom canvas, where I will draw stuff on the left. The dashboard needs to be fixed width ...





10. Panel Using Swings    stackoverflow.com

I am trying Swings on my own. This is my first day. I have been working on GWT for long. I am trying to get a hashMap with both String as ...

11. Zoomable panel in netbeans    stackoverflow.com

I have to create an application in Java, that allow the user to display a URL in a small panel, and it should allow the user to zoom the panel so ...

12. Java swing; How to toggle panel's visibility?    stackoverflow.com

i made this code to navigate trough panel1 and panel2 with buttons. (button1 and button2) but when i run my code the frame stays empty. Can somebody explain me what i'm doing wrong ...

13. How to make number of panels = number of iterations in for loop    stackoverflow.com

How do I make number of panels equal to number of iterations in for loop in Java? E.g 4 iterations will have 4 panels with different name. Thanks

14. A rotated square panel in Java GUI    stackoverflow.com

I wonder if it is possible to implement a GUI panel (possibly JPanel) that is of square shape but rotated 90 degrees. Obviously, there will be a top-level container which contains ...

15. How to get panel with title bar in java    stackoverflow.com

I am new to java swing application development, enter image description here I am looking to place a panel inside the window with title bar like Advanced JTable Demo, GUI Components ...

16. Configurable swing panel with Matisse    forums.netbeans.org

Hi, I'm making an application based on swing and I'd like to change some panels depending on configuration or some ddbb entries. I know that I can do it from scratch ...





17. panel    coderanch.com

18. HELP ! Scrollpanes on Panels    coderanch.com

19. Panel Visiblity....    coderanch.com

21. Getting Panel from Screen    coderanch.com

Sorry... confused your meaning of "image"... thought you just meant how to get what the screen looks like... here is some quick and dirty code that shows a way to get an actual jpeg image from a panel... Does this help? import java.awt.*; import java.awt.event.*; import java.awt.image.*; import java.io.*; import com.sun.image.codec.jpeg.*; public class GeneratePanelImage extends Frame implements ActionListener { Panel p1; ...

22. Swing/Panels    coderanch.com

hello sir, I have a set of soundfiles & panels.For each sound each panel should be displayed respectively. For eg: (01c\01c1.wav to 01c\01c8.wav)&(panel1 to panel8) If the path for soundfiles is from local(c:\sound\01c\01c1.wav) then i am able to play it from first sound & panels display correctly. But if the path for the soundfiles is from server(http://....) then the first sound ...

23. laying a panel on a panel    coderanch.com

24. drawImage to Panel    coderanch.com

26. List Chooser Panel    coderanch.com

Hello All, My Panel should look as below 1) Scroll Pane A which has in it a JTree structure 2) A Panel B which has in it 4 Buttons, AddAll,Remove,RemoveAll. 3) A Scroll Pane C which is alist of items ,i have selected from the A(hmm! the Tree) 4) A Panel D which has two buttons ( for moving the elements ...

27. Saving a Panel    coderanch.com

28. Transperant Panel    coderanch.com

29. Panel Flickering    coderanch.com

I have an application wherein I am dragging a Panel which acts like a SplitPane. I have added a mouseDrag event for that particular panel.But on dragging the panel the adjacent components as well as the Panel itself Flickers and cannot be dragged smoothly. Can anyone plz help as to what has to be done to avoid the flickering. Waiting for ...

30. organising panels    coderanch.com

31. Panel --    coderanch.com

Hi all, 3 urgent questions, do help pls first question: There is a large image in a scrollPane, how can i know which part is displayed to user? for example, the part from pixel(10,10) to (610,810)is shown in screen, how can i know it?? second question: if user is watching a "flower" in the center of the panel, once user presses ...

33. Can't see my Panels!!! Aaarrghhhhh....    coderanch.com

Why doesn't this work? Or, rather, it works if I keep the label a Label, not a JLabel. When I change it to a JLabel, it will compile but I see nothing. Is there some rule about the order of panels or something? I must be inadvertantly covering up the panes I need or something. public class MyPaint extends JFrame { ...

34. Panels listening to panels    coderanch.com

I am starting a project and I just can't get it going. Basically it consists of a frame that will have several panels that will communicate with each other. For example whatever button that is selected in panel 1 will decide what is displayed in panel 2. Sorry for the vagueness but if there any examples of panels showing this behaviour ...

35. Using Panel    coderanch.com

Welcome to the Ranch Siddhart, import javax.swing.*; import java.awt.event.*; import java.awt.*; public class Test extends JFrame { Test() { setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel content = (JPanel) getContentPane(); JButton button = new JButton("Press me"); button.addActionListener(new MyActionListener()); content.add(button, BorderLayout.WEST); pack(); show(); } class MyActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { getContentPane().add(new JButton("Hullooooooooo"), BorderLayout.CENTER); pack(); } } public static void main(String[] args) { new ...

36. How to organize panels?    coderanch.com

import java.awt.*; import javax.swing.*; public class GUITest { public static void main(String[] args) { JTextField tf1 = new JTextField(16), tf2 = new JTextField(16), tf3 = new JTextField(16); JButton button = new JButton("Button"); JPanel northPanel = new JPanel(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth = gbc.REMAINDER; gbc.insets = new Insets(2,0,2,0); northPanel.add(tf1, gbc); northPanel.add(tf2, gbc); northPanel.add(tf3, gbc); northPanel.add(button, gbc); DefaultListModel model = ...

37. Successful cloning of a Panel?    coderanch.com

I want to send a cloned subclass of Panel to the printer (an image), then allow the user to change the original to whatever they want by opening a new file. My question: Can I successfully clone the Panel (or the entire Frame) and hide it from the user, and keep printing the cloned panel behind the scenes in memory? I ...

38. Panel issue    coderanch.com

Hi, I have a frame that opens with a panel at the top with buttons in it, and a paint area below that. I wish to have the frame no able to be resized, and have done so. The problem i have is that without resizing the frame, my panel does not draw all the buttons properly, it draws only the ...

39. handling panels    coderanch.com

Hi, I got a swing project which was developed by my ex-colleague. I looked at it source code and basicallly there are three panels. LoginPanel ReportRequestPanel ReportResultPanel The way the project was implemented is they have one Maincontoller class and the classes (Loginpanel, ReportRequestPanel, ReportResultPanel) are implemented as Inner classes extending the JPanel. so they can plug in and out the ...

40. Don't want to show the panel building    coderanch.com

41. Panels    coderanch.com

42. KeyAccelerator for many panels    coderanch.com

Hi! I'm developing a swing application and I want to support key accelerators to my menu options. However, I'm facing some problems with it. My application contains 5 views (JPanel instances) and the menu is on the main view. Depending on the view that is selected, the key accelerator does not work. And even on the views that it works, if ...

43. design for Indicator Light panel    coderanch.com

I need help designing an indicator light panel. I envision a set of vertically arranged JLabels with associated indicator components. The idea is that when this Swing GUI is run, the indicator component is lit up or changes color based on code that I will supply which will be running in a timed loop checking on the health of processes running ...

44. 2 panels in south region    coderanch.com

upperBottomPanel = new ImagePanel(img); upperBottomPanel.setLayout(null); When you add components to a container the parent components (container) layout manager asks each of the children for their size requirements and makes arrangements to show each component according to its needs. Some layout managers practically ignore the size requirements of the child components, eg, GridLayout. Some layout managers pay special attention to the preferred ...

45. Closing a panel    coderanch.com

46. Opening a notification Panel    coderanch.com

47. Using Flyweight with Panels    coderanch.com

I have an application that uses panels to display data. This can grow into thousands of panels all of the same type. I've been looking into using the flyweight design pattern to lower system resources and make the application faster all around. Can you use the flyweight pattern with JPanels? I've been attempting to do so but haven't had any luck ...

48. how to fix jcolorchooser to a panel    coderanch.com

49. JPanel to scollable panel    coderanch.com

Hi Rob, Can you explain bit more on how you fixed through writing c separate class on fixing this. You are right, with flow layout and horizontal bar of scrollable pane, componenets are added side ways always. I tried box layout but the list becomes too big and not nice to look with vertical bar. I can't go for Gridlayout as ...

50. Connecting between panels    coderanch.com

Hello everyone, I am trying to make an application which will allow to visualise the different steps that make an Relational Algebra query. My application has a drawing panel which holds different smaller JPanels. These JPanels represent various items - such as tables which act as input to relational algebra operators, or results produced by the relational algebra operators. Now my ...

51. [Swing] Strange issue with manual placement of a panel    coderanch.com

I'm making a computer version of one of my favourite board games, called Lord of the Rings: The Confrontation. I am using Swing for the GUI. In the game, you move around game pieces on a board. Each piece is named after a character or beast in the books, and has its own unique properties. I want to be able to ...

52. I just get a blank panel.    coderanch.com

Hi Mal, next time you post code, could you please surround it with code tags ( [CODE]Your Code Here[/CODE]). You can use the Code button at the top of the posting form to generate the code tags for you. I took a look at your code and I couldn't find a reason for it to not draw the image, but I ...

53. Collapsible Panel?    coderanch.com

I am trying to make a collapsible pane and I am running into all kinds of problems (probably because I am very new to swing). I want it to look something like this (Collapsed look) + Panel One + Panel Two + Panel Three (Expanded look) - Panel One Text Field 1 Text Field 2 - Panel Two Text Field 1 ...

54. close panel    coderanch.com

55. panel include another panel    coderanch.com

i want problem that i have one panel that contain another three panel. first panel contain image in horizontal manner. second panel contain image in back ground and also contain one button and 6 text fields. third panel contain image in vertical manner. now problem it that when ever i maximize the window then all image and other element view is ...

56. The panel refuses to show    coderanch.com

As a part of a bigger graphical interface, I need a 410x350 modal window with a green panel inside, for some reason the modal window appears fine but nothing seems to be on it. Could somebody have a look a tell me what I'm forgetting please, I'm losing my mind here. public class Test2 extends javax.swing.JFrame { public javax.swing.JDialog connect_dialog; private ...

57. need help with designing of panels    coderanch.com

hello everyone, i need some help with designing of panels.the design goes like this: i have a basePanel that contains 3 other panels on top of it i.e 1. selectPanel that has 2 radiobuttons lies to the north of basepanel. 2. userpanel that has comboboxes and okbutton lies to the center of basepanel 3. adminpanel that also has set of comboboxes ...

58. panel    coderanch.com

59. [SOLVED] Closing a Panel    java-forums.org

Hi, I've got a little bit of a problem here. I've got an application that's calling this class that uses JFreeChart to display a gantt chart. The problem is when i close the gantt chart panel, it closes the the whole app. Anyone have any clues? Thanks in advance. :) Java Code: final IntervalCategoryDataset dataset = createDataset(Data, thedates, type); final JFreeChart ...

60. resizeable panels    java-forums.org

Java Code: public class DynamicGraphFrame extends JFrame implements ActionListener,WindowListener{ private Container ContentPane; private Point FrameCoOrdinates; private Dimension FrameDimension; private String FrameName; private JFrame ref = this; private GridBagLayout GBL; public DynamicGraphFrame(String FrameName,Point FrameCoOrdinates,Dimension frameDimension) { this.FrameCoOrdinates = FrameCoOrdinates; this.FrameDimension = frameDimension; this.FrameName = FrameName; this.ContentPane = this.getContentPane(); // set the layout //ContentPane.setLayout(new FlowLayout()); this.setDefaultCloseOperation(DO_NOTHING_ON_CLOSE); this.addWindowListener(this); // set up default frame position ...

61. Panel in a panel?    java-forums.org

62. issue of mutiple panels    java-forums.org

63. How do you set insets on a panel?    java-forums.org

I have a very simple program using Swing. It creates a JFrame, and within that frame I create a panel using BorderLayout. The panel contains a ComboBox and a Label that changes depending on the selected item in the combo box. I was wondering, can I create insets for the panel without using a grid bag layout and setting constraints? Thank ...

64. creat a variable panels    java-forums.org

65. Multi-Panel multi-class GUI communication    java-forums.org

package presentation; import javax.swing.*; import java.awt.*; @SuppressWarnings("serial") public class DatabaseFrame extends JFrame{ private final int FRAME_WIDTH = 300; private final int FRAME_HEIGHT = 300; public DatabaseFrame() { setTitle("Dashboard"); setSize(FRAME_WIDTH, FRAME_HEIGHT); centerFrame(); setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel panel = new DatabasePanel(); this.add(panel); } private void centerFrame() { Toolkit defaultToolkit = Toolkit.getDefaultToolkit(); Dimension screenDimensions = defaultToolkit.getScreenSize(); int xPos = (screenDimensions.width - getWidth()) / 2; int yPos ...

66. Panel and Gui Question    java-forums.org

So as I'm exploring the wonderful world of swing and awt in my books I came to something not really covered by the book or in any article I've come across in Google that wasn't restricted. My book has always shown code that goes in a certain order for adding things to a frame. ie. Make Frame Set Frame Options Make ...

67. Semitransparent Panel on fullscreened jPanel    forums.oracle.com