Clear « JPanel « Java Swing Q&A





1. JPanel Graphics clearing and repainting?    stackoverflow.com

I have a JPanel with a paintComponent() function. I'll call it once, then when the user clicks a different JButton, I'll set some flag and want to call this function again ...

2. JPanel Repaint Not Clearing    stackoverflow.com

I have a custom, abstract class 'Panel' which extends JPanel. There aren't many differences with the two when painting. I have a Panel and I'm simulating an animation by updating the ...

3. Clearing JPanel    stackoverflow.com

I am making a program in which there is a square that changes its x and y positions when a key is pressed. The square moves but the the old square ...

4. JPanel won't clear    stackoverflow.com

I have a JPanel located on my GUI which upon button press will draw small circles on to it. The problem is, upon a second button press the circles from the ...

5. clear jPanel    coderanch.com

i took a look at the cardLayout but i'm not sure if it is the thing i need. i don't have a fixed number of JLabels which are exchanged, but JLabels are dynamically created (dependend of where the user clicks) and attached. everytime the user clicks, the panel should be cleared and a new set of Jlabels should be created and ...

6. How to: clear the JPanel before repainting?    coderanch.com

Hi all, I want to plot the data into JPanel periodically. But the problem is everytime the new data gets plotted, the last time plotted data remains drawn in the JPanel. Resulting an overlaped plotted data. My question is how do you clear the JPanel before repainting? Thank you so much. This is the code I am talking about: package test1; ...

7. clear JPanel    coderanch.com

8. Clearing GUI panels...    coderanch.com

9. super.painComponent(g) not clearing my Jpanel    coderanch.com

the polygon i am trying to draw and change does not repaint the Jpanel instead it leavs a trail .... here is my code any help would be Wonderful thanks import javax.swing.*; import java.awt.*; import java.awt.geom.*; public class GraphicPane extends JFrame { public GraphicPane() { super("polygon"); this.setSize(600,600); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); MyPolygon mypolygon = new MyPolygon(); getContentPane().add(mypolygon); this.setVisible(true); try{ Thread.sleep(500); }catch (InterruptedException e){ } ...





10. Problem clearing and resetting a JPanel    coderanch.com

Hey everyone, Trying to put the finishing touches on my program for my programming class. Still just trying to wrap my brain on GUI. I believe I have everything working right more or less, but I can't get the new menu item to reset the game board with a new set of cards. I have attached my code as a .zip ...

11. Clear Graphics Objects from Jpanel    java-forums.org

Hey guys, I was just wondering how to clear all Shape components that have been added to a Jpanel from the Jpanel itself? i.e. I have a Jpanel that has multiple Rectangles, Circles etc etc, and I was hoping there would be a simple way of removing all of these components from the Jpanel in a simple fashion. Any guidance would ...

12. Clearing a jPanel    forums.oracle.com

1) You really want to override the JPanel's paintComponent method, not the paint method. 2) You're hard-coding what is being painted and this may make the painting code somewhat inflexible. Consider holding your cards in an array or arraylist (if the number of cards to be displayed can change) and printing out the array (or arraylist) in the paintComponent method. Then ...