Subclass « JPanel « Java Swing Q&A





1. java swing : custom everything - subclass jcomponent or jpanel or ...?    stackoverflow.com

Hiya - quick one - is there any harm / value in subclassing JComponent as compared to JPanel ? To me they pretty much look to be the same thing if ...

2. Best way of subclassing a JPanel in Swing    stackoverflow.com

I am currently trying to build an expanding panel in Swing (akin the WPF's Expander control) and I'd like to retain the usual methods for manipulating it (i. e. setLayout, add, etc.). ...

3. Fire action in JPanel subclass    stackoverflow.com

I know how to use an ActionListener class to pick up an actionPerformed event - however, I've implemented my own JPanel object and something I can't work out is how I ...

4. Java - GUI's, Panels, and Subclassing    stackoverflow.com

I'm reading an introduction to Java book. I'm about three/fourths of the way through the GUI section, and learning about add different JComponents to a JFrame to create a UI. I'm confused ...

5. Java - GUI, Panel, and Data Accessing    stackoverflow.com

I'm making a game with three main panels and a few subpanels, and I'm confused about how you "connect" the panels and their data. I have my main class, which extends JFrame ...

6. Should I subclass JFrame/JPanel or not?    stackoverflow.com

I was used to subclassing the window-classes in other programming environment, but in the java tutorials I usually see something like

JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.PAGE_AXIS));

p.add(aComponent);
p.add(anotherComponent);
So what are the conventions ...

7. Why does my JFrame stay empty, if I subclass JPanel and JFrame?    stackoverflow.com

I'm trying to write custom JFrame and JPanel for my Java application. Currently, I just want to have a JPanel with a start button in the very middle of the screen. ...

8. unusual behaviour of subclass of JPanel    coderanch.com

1.input_panel background is not set 2.while resizing window sometimes random lines are drawn on the input panel but are not written either to the database or the file. 3.on starting the paint on the input panel an image of the JMenuBar is created on the input panel. N.B. output_panel does not show these problems before paintComponent() is overridden, but does oven ...

9. Slow Response Time with Drag and Drop JPanel subclass    java-forums.org

I designed a JPanel subclass which, when dragged with the mouse, will move around the screen appropriately. I then added a JTextArea as a member of the class which shares the same mouseMotionListener as does MovableJPanel. Therefore, both the movableJPanel and the JTextArea will move around the screen when dragged, regardless of which was selected with the cursor to begin the ...