Swing/AWT/SWT :: Java Frame Is Showing Blank?

Jul 5, 2014

i have problem with the following two java classes, driver class Reservations and Room class. When i run, it just show blank frame, tell me where i gone wrong.

import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.*;
public class Reservations extends Frame implements ActionListener {
Color lightRed=new Color(255,90,90);
Color lightGreen=new Color(140,215,40);
Rooms room=new Rooms(5,3);

[code]...

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Swing/AWT/SWT :: Hangman Game - No Graphics Show Up On Eighth Guess (Blank Frame)

Feb 5, 2015

I'm having some problems with the graphics of my hangman game. The graphic that's supposed to show up on the first guess (the hangman pole) doesn't show up until guess number 2. And on the eighth guess, no graphics show up (I just get a blank frame).

import java.awt.*;
import javax.swing.*;
public class HangmanFigure extends JPanel {
private int guesses;
private Image background;
public HangmanFigure() {
super();

[Code] .....

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JSP :: PDF In Browser - Showing Only Blank Screen In Its Status Bar As Connecting

Jul 22, 2014

.
.
.

RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/MyServletPDF?username=TEST");
response.setContentType("application/pdf");
dispatcher.include(request,response);
%>

While debugging everything is going through... even it passes through the last line. But the pdf is not launching... showing only a blank screen in its status bar as "Connecting"... Earlier it was launching.. but suddenly this issue is raising up. Is there any IE settings need to be checked?

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When Code Runs - Images Are Not Showing Up In Frame

Apr 27, 2014

I'm using the book "How to Program in Java 9th Edition". The following is code from that book. I'm using eclipse. When the code is run the images are not showing up in the frame. The images are located in the directory with the java file and I have tried using the fully qualified image locations with no success. I've looked around on the web but can't see any reason why this code won't work. The code compiles and no errors are reported.

// Fig. 9.13: LabelDemo.java
// Demonstrates the use of labels
package Fig9_13DisplayTextImagesWithLabels;
import java.awt.BorderLayout;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JFrame;
public class LabelDemo

[code]....

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Swing/AWT/SWT :: Jinternalframe Active Frame Different With Java 7?

Jun 24, 2014

I am in the progress of updating my code and re-testing after switching from Java 6 to Java 7. When I open multiple JInternalFrames in my application under java 6 I am used to closing the top most internal frame and having the frame immediately under it become the next active frame. When I run the same code under Java 7 I see a different behaviour in as much as when I close the last frame I opened, the next one to become active is the first one.

To illustrate this another way, lets say I open 5 internal frames, 1,2,3,4 & 5

In java 6 when I close frame 5, frame 4 becomes the active frame.

In java 7 when I close frame 5, frame 1 becomes the active frame.

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Java Swing Frame Can't Call On Other Methods From Main

Mar 25, 2015

I am trying to make a 2d graphical animation using the java swing classes in order to make a frame. I had a basic version working when all of the code was under the main method, but when I moved some into another method it broke it. With y understanding of java my code should work as I create a variable of the method containing the code and then assign the size and exit button. However this causes many problems such as my BeaconFrame method informing me that it is unused when I have used it. Here is my code:

import javax.swing.*;
import java.awt.*;
 public class BelishaBeacon {
  public void BeaconFrame() {
JFrame frame = new JFrame();
JPanel panel1 = new JPanel();

[code]....

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Swing/AWT/SWT :: Showing Dotted Line

Jul 7, 2014

Is it possible for a rectangle with dotted side be shown when dragging the mouse on a component?Just something like the one in the attachments, usually occurs in some graphics/pictures software.

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Swing/AWT/SWT :: Buttons Not Showing On JFrame

Aug 30, 2014

This is right from a book I'm reading but it doesn't work. The problem is to write an application that lets you determine the integer value returned by the InputEvent method getModifiers() when you click your left, right, or middle mouse button on a JFrame.

This is the code copied directly from the book. What is missing:

import java.awt.event.InputEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
public class JLeftOrRight {

[Code] ......

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Swing/AWT/SWT :: DeckPanel Are Not Showing Up When Run Program

Mar 25, 2014

My deckPanel's etc. are not showing up when I run my program. What am I missing in my orderCalc class or maybe from my deckPanel class?

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class OrderCalc extends JFrame

[code]...

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Swing/AWT/SWT :: Frame And Panels

Nov 30, 2014

I wrote the following code to get a frame,button in south and a red color circle,which i got.In the "actionPerformed" method i wrote "setContentPane(mp2)" thinking it would put another panel on the frame with a blue circle but when i pushed the button,the button got stuck and the circled did not change.

import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class Fra implements ActionListener
{
MyPanel2 mp2;
JFrame frame;
JButton button;
public static void main(String[] args)

[Code] .....

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Swing/AWT/SWT :: Panel Not Showing Added Components

Apr 27, 2014

My panel named panelIncomeInfo are not showing the components that I have added.

public class PayrollGUI {
private JPanel panelIncomeInfo = new JPanel ();
private JPanel panel = new JPanel ();
private JPanel panelPayCheckInfo = new JPanel ();
private JButton close = new JButton ("Close");

[Code] .....

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Swing/AWT/SWT :: How To Paint Image On Frame

Mar 8, 2015

I simply want to paint an image on my frame, just once each time the paint() method is called, but how to call the paint method in any good way. This is how it looks:

import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;

[Code] ....

I have a frame in another class, and from my assumption I need to somehow tell my paint method to paint on that specific frame right?

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Swing/AWT/SWT :: JCheckBox Background Color Not Showing Up In Nimbus

Jul 17, 2014

I'm displaying a table with several read-only pieces of data, and a checkbox field that toggles the row color. The background color for the checkbox is not toggling correctly. I put together a SSCCE:

import java.awt.Color;
import java.awt.Component;
import java.util.ArrayList;
import java.util.List;

[code]....

If I comment out the Nimbus look and feel, it works as expected. I googled this problem and found one possible solution on Stack Overflow. Their suggestion is:It's a bug in the synth-installed renderer, quick hack is to force the rendering checkbox opacity to true: ((JComponent) table. get Default Renderer(Boolean.class)).setOpaque(true);

I tried using this line and setting the opacity to true, but it renders the background white. I'm using Java 1.7.0_25.

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How To Avoid Flickering When Calling Another Swing Frame

Jul 28, 2014

I am trying to call another swing frame from my current frame. And after calling second frame i dispose the current frame.

But while second frame coming on the screen, current frame gets dispose and second frame takes some seconds to appear on screen.

So its creating a bad flickering effect on screen and its not suitable for my application.

I want that first frame will call sencond frame and it will not look like second frame is called. I just want to cancel flickering effect.

Here is my source code.

1st Frame:

public class Welcome extends JFrame {
JFrame f;
JTextArea nameField,nameField1;
JLabel lable;

[Code] .....

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Swing/AWT/SWT :: How To Generate PDF File Of The Contents In AWT Frame

Sep 25, 2014

I have been doing a project of ERP solution using JAVA AWT FRAMES and MYSQL(for database purpose). Here there is an ADMIN portion, who has the authority to make PAYROLLS of individual employees. There is a Frame where individual employee details will be shown(like basic salary, HRA, no.of leaves, other allowances...etc) in text boxes.

Now what i want is to make a PDF file of that payroll, so that I can make a hardcopy of it. The idea is just like anyother online form fill-up, where at the end you submit and save (or export) as a PDF (or text file) document. But I mention that it is a stanalone project, not an online one (i think it doesn't matter though).

So the basic idea is how to make a PDF file by extracting the text field or choice contents from a frame in JAVA AWT.

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Swing/AWT/SWT :: Application That Displays A Frame Containing Two Panels

May 9, 2014

I'm having trouble with this program. In my textbook it says "Write an application that displays a frame containing two panels. Each panel should contain two images (use four unique images - your choice). Fix the size of the first panel so that both of its images remain side by side. Allow the other panel to change size as needed. Experiment with the size of the window to see the images change orientation. Make sure you understand why the application behaves as it does". I successfully imported the images, but I can't find out anywhere how to allow the second panel to change size with the window.

import java.awt.*;
import javax.swing.*;
public class TwoPanels
{
public static void main(String[] args)
{
JFrame frame = new JFrame ("Embedded Images");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ImageIcon iconOne = new ImageIcon ("glove.jpg");
ImageIcon iconTwo = new ImageIcon ("cleats.jpg");
ImageIcon iconThr = new ImageIcon ("bat.jpg");
ImageIcon iconFou = new ImageIcon ("baseball.jpg");

[code]...

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Swing/AWT/SWT :: Test Orders Not Showing Up In JTextArea Instead Printing To Console

Jan 8, 2015

I have small problem in GUI. I have a text area which has to display my test orders now what is happening instead of the text showing up in the JtextArea its still printing to the console so this order code (yes i did not use proper code standers) runs though my order class fine but its not loading the text in the JtextArea

Order code

public static String testCase1(){
orders ords = new orders();
System.out.println("Test Case 1: " + "
" + ords.getOrderDetails());
return " ";

My jbutton code :

txtContent.setText(new orderTester().testCase1());
txtContent.setText(new orderTester().testCase2());
txtContent.setText(new orderTester().testCase3());

I have 10 test case to load in the jTextArea

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Swing/AWT/SWT :: How To Prompt Before Exit In Single Frame Application

Apr 22, 2014

I have a Single Frame Application and I simply want to prompt the user with a dialog confirming they really want to close before they actually close the program, specifically when they click the X in the upper right. I THOUGHT it was like any other java application, with the slight added complexity of having to target the program-created-JFrame with: ".getApplication().getMainFrame()".

MyApp.getApplication().getMainFrame().setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

With that code, DO_NOTHING_ON_CLOSE is set on the JFrame, yet the program closes anyways. Which I don't understand.So I did some reading and found this: URL....That lead me to the configureWindow override, where I successfully tried this:

root.addWindowListener(new WindowAdapter() {

@Override
public void windowClosing(WindowEvent e) {
// write your code here
System.out.println("Window Closing");
}
});

But as far as I can tell that will only let me react to the window closing, not to the command to close it, where I could then kill the command in the dialog if they so "no I'm not ready to quit yet", if that makes sense. So, how to give a prompt before closing?I am using netbeans IDE to create this app - not sure if that is relevant, since maybe it is an oddity with the IDE and not Single Frame Applications.

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Get Background Image Showing Other Two Are Not Showing On Screen

Jan 20, 2015

public void paint(Graphics g) {
g.drawImage(Background, bg1.getbX(), bg1.getbY(), this);
for(int i=0;i==400;i+=10){
g.drawImage(block1,fg1.getBlockX(),fg1.getBlockY(),this);
g.drawImage(block2,fg1.getBlockX(),fg1.getBlockY()+10,this);
}
}

This is what im dealing with right now. When i click run i only get the background image showing the other two are not showing on the screen.

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Swing/AWT/SWT :: Panels Switching On A Single Frame Using Netbeans Builder

Feb 3, 2014

I am writing a ComputerBaseTest application with Netbeans. I have each question on a panel and I want the questions(panels) to be switched, viewing the previous and the next question on a single frame, but I do not know how.

I only understand frame switching if each questn is to be on a frame but each score on each question (frame) do not sum up to give the overall score at the end of the test. Using multi-frame shows a sign of bad programming.

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Swing/AWT/SWT :: Unable To Add Jpanel Dynamically Inside Single Frame

Oct 4, 2014

I am building a GUI application which consists of two panels "panel" and "panel1". "panel1" have a button "addTimer" when clicked it should add the "panel" to the frame if i gain click the button it should again add the "panel" without overlapping the previous "panel" rather it should be created below the previous "panel". If i click on the button "addTimer" n times it should add the panel n times. Along with this the frame size has to dynamically change depending on the number of panels produced. Below is the code i tried my level best to satisfy the above conditions.

package superTimerV2;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class SuperTimer extends JFrame {
private static final long serialVersionUID = 1L;

[Code] ....

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Swing/AWT/SWT :: Detecting Mouse Click Inside A Box Painted In Frame?

Feb 9, 2015

In the method mouseClicked(MouseEvent me) the co-ords of the click are obtained.

* if they are within the confines of the rectangle rect, console output System.out.println("inside box") is displayed
* in either case the click co-ords are displayed in the console

I'm getting the co-ords of the mouse clicks but no message when the click is inside the box

import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
/*
Experiment 04 was successful. So now (Experiment 05) I must try and see if I can identify mouse clicks that occur within the rectangle.
*/

public class AFrame extends Frame implements MouseListener {
ARectangle rect;
public AFrame(ARectangle rect) {

[Code] ....

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Swing/AWT/SWT :: Fitting Dynamic JTable Inside A Dialog Or Frame?

Apr 22, 2014

I want to calculate the height of a dialog that contain only a table depending on how many rows that table it has so I'm using the cross multiplication rule.For example i check initially that my table is well fitting into the dialog(Without space at the bottom) for some value and after that i use the cross multiplication rule because data are dynamic.But unfortunately this rule does not solve the problem.What's the best rule for fitting a dynamic table inside a dialog or a frame? Here is my code.

public class FlowLayoutChangingGap {
public static void main(String[] args) {
// just for testing perpose but data are getting from database and it's dynamic
Object[][] data = {
{ "Kathy", "Smith", "Snowboarding", new Integer(5) },
{ "John", "Doe", "Rowing", new Integer(3) },

[Code] ....

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Swing/AWT/SWT :: Paint Circle In Frame On Key Press - Cannot Get KeyListener To Work

Nov 3, 2014

I wanted to try out using a KeyListener to read what key I press so it can paint a circle in my frame, but I can't get it to work?

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Random;

[Code] ....

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Java Frame Window Using Button

Jan 21, 2014

How one frame to another frame using button ?

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Calling Internal Frame In Java

Jul 14, 2014

Any way I can call an internal Frame in java by clicking a button in separate internal Frame to display in a panel in Main JFrame....

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