ActionListener Changing Image Icons
May 23, 2014
If you look at line 74 you will see my actionPerformed method where I want to switch the icon displayed on the JButton. I know I still have to add the images to the button however I am running into a few issues here.
Therefore my main question is, am I even approaching this problem correctly? In my next class it will be vital that I can decipher what each icon is display on the JButton. I am working on programing A* but I have to get everything talking first.
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Screen implements ActionListener
[Code] ....
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May 23, 2014
If you look at line 74 you will see my actionPerformed method where I want to switch the icon displayed on the JButton. I know I still have to add the images to the button however I am running into a few issues here.
In my next class it will be vital that I can decipher what each icon is display on the JButton.
Java Code: import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Screen implements ActionListener
[code]....
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Aug 23, 2014
I am simply trying to print out a deck of 54 playing cards. i have organized them in to two separate arrays the first array to place all the image icons the second array to hold the 54 Jlabels. I think my problem lies in the setLayout portion of the program . I also think my image icon path may be wrong?
import javax.swing.*;
import java.awt.*;
public class CardIconArray extends JFrame {
private static final long serialVersionUID = 1L;
final public static int numberofcards=54;
CardIconArray(){
[Code] ....
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Aug 17, 2014
import java.awt.*;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import javax.swing.JFrame;
public class Golf extends JFrame
{
boolean isRunning = true;
[Code] ....
It loads and draws fine when I am using one image. But if I un-comment the others are try to draw the background of my game as intended, nothing gets drawn. I've played around with a number of different solutions but nothing works, I've had multiple images work in previous programs doing exactly the same thing and I really don't understand whats up.
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Nov 28, 2014
Is there something special about this? I would think not, however all of the buttons in my application work except those with images.Here's an example of one:
Java Code: // Class #1
// All components defined as private initially, used in initComponents() later to build GUI
private JButton btnRock = new JButton();
/** Create the frame. **/
public GameView() {
initComponents(); // Initialize components
} // End of GameView Method
public void initComponents() {
// ROCK BUTTON
btnRock = (JButton) mainController.createIcon("rock");
btnRock.setForeground(new Color(0, 0, 0));
btnRock.setBounds(12, 34, 97, 67);
[code]....
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Jul 30, 2014
I get a Base64Encoded image string (GIF format) from an external system. While reading the byte array and saving the image to file, the image gets saved in landscape orientation. The code snippet is below.
String image = "R0lGODdhCAcgA=";
Base64Coder decoder = new Base64Coder();
byte [] decodeBytes = decoder.decode(image.getBytes());
ByteArrayInputStream stream = new ByteArrayInputStream(pngArray);
BufferedImage bImage = ImageIO.read(stream);
File label = new File("C:/labels/test.gif");
ImageIO.write(bImage, "gif", label);
I want to save the image in portrait orientation. Is there a way to do that?
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Apr 22, 2015
In my program one of the panel has a background image and I need that background image to be updated/refresh or changed whenever the panel reaches certain number of clicks
here's the code
Constructor/gui
import java.awt.*;
import javax.swing.*;
import javax.swing.text.*;;
public class demo {
JFrame frame = new JFrame ("Idle Game Test!");
JPanel backGroundPanel = new JPanel ();
[code].....
also is there other way to access those static variables? the way i implemented them works but i do think there are other ways that are more suitable or better but i cant figure out.
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Oct 7, 2014
I am trying to create a virus simulation program. The program is supposed to just be a map of the world where the user can click any country in the world to specify where they want their virus to start, specify how transmittable the virus is, and be able to see how the virus spreads through the world by seeing a change in color throughout the world,
I want the world map to initially start out with a very light yellow, and as areas of the world slowly start to get more and more infected by the virus, I want those areas on the map to start changing to a very dark red (going from a light yellow, through shades of orange and red, to dark red).
So, the main idea of this is to have a program that displays an image where certain parts of the image will slowly change color during the runtime of the program. I obviously know how to change colors of certain parts of a window or even an image, but this is very very detailed and advanced but how to even start this.
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Jul 21, 2014
I created an ant script to create an installer for my JavaFx app:
<?xml version="1.0" encoding="UTF-8"?>
<project name="app-javafx" default="do-deploy" basedir="." xmlns:fx="javafx:com.sun.javafx.tools.ant">
<property name="java8.jdk.home" value="/Library/Java/JavaVirtualMachines/jdk1.8.0_11.jdk/Contents/Home" />
<property name="javafx.tools.ant.jar" value="${java8.jdk.home}/lib/ant-javafx.jar" />
<target name="init-fx-tasks">
[Code] ....
During compiling I see:
Using base JDK at:
/Library/Java/JavaVirtualMachines/jdk1.8.0_11.jdk
Using default package resource [Bundle config file] (add package/macosx/Info.plist to the class path to customize)
Using default package resource [icon] (add package/macosx/app.icns to the class path to customize)
Creating app bundle: /Users/Utente/Documents/workspaceServer/javafx/target/deploy/bundles/app.app
Config files are saved to /var/folders/q6/vmt_h0tx3rgdbt_4h2_2f3780000gn/T/build6635061168386632777.fxbundler/macosx.
Use them to customize package.
fxbund
ler/macosx. Use them to customize package.
So I get files inside the temp directory and I copied them inside my project target directory. Unfortunally javafxbuilder don't use them to customize the package so I think the path where I have to put that files is wrong.
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Jan 19, 2014
I'm using a jpanel with an 8 by 8 grid layout of jlabels to which I'm adding images to represent a chess board. At first, I was using the ImageIcon class to initialize my icons, but as soon as I added these icons to the labels, the labels no longer changed size with the window (which I want to happen). URL...
So I copied in the class, and initialized a different set of icons using the stretch icon class (specifically, the method that allows you to initialize a stretch icon from a filename), however, when I use these stretch icons, the result is the same. Is something wrong with the class, or with my implimentation of it, and how would I fix this?
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Jan 16, 2014
I'm using a jpanel with an 8 by 8 grid layout of jlabels to which I'm adding images to represent a chess board. At first, I was using the ImageIcon class to initialize my icons, but as soon as I added these icons to the labels, the labels no longer changed size with the window (which I want to happen). Someone suggested to me to use this custom stretch icon class, found here:
[URL] ....
So I copied in the class, and initialized a different set of icons using the stretch icon class (specifically, the method that allows you to initialize a stretch icon from a filename), however, when I use these stretch icons, the result is the same. Is something wrong with the class, or with my implementation of it, and how would I fix this?
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Feb 20, 2014
I'm trying to create a chess program in java swing, and for the board I'm using an 8 by 8 array of jlabels stuck inside a jpanel with a grid layout. I would like the board to change size when the window changes size, and the grid layout accomplishes this succesfully, until I add the actual icons to the jlabels. Then the board just stays a fixed size. Someone suggested I use their "Stretch Icon" class, found here:[URL] ...., so I tried initializing the icons using one of the constructors in the class (the one that takes an image name and a boolean value for whether or not you want the resisizing to be proportionate (to maintain the aspect ratio)). However, the same thing happened. The board appears, but it does not resisize. To attempt to fix this problem, I tried simplifying my code, reducing the program to two jlabels within the jpanel, for which I then tried to set the image in the same way. Here is my simplified code:
import java.awt.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.ImageIcon;
[Code] ....
I'm misusing the stretch icon class, or just generally what's going wrong/how to fix it?
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Apr 23, 2014
I am working on a simple app that should emulate a desktop with some icons that you can drag around. I was instructed to use the MouseListener and MouseMotionListener. The icons should drag starting at the point where the mouse originally clicked down on it (ie not dragging from the top right corner).
I am drawing my icons to a jpanel, and I seem to be having two problems:The hitboxes are offThe icon is being dragged from the top right corner, despite having setup up a mouse offset at the beginning of the drag..Here are the relevant classes, the Desktop.draw() method is being called from my DrawPanel
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class Desktop implements MouseListener, MouseMotionListener{
static DesktopIcon[] icons;
[code]...
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Oct 16, 2014
The gist of it is to create a very basic memory game. There are 12 buttons, each associated with an icon. Every button that you click will display the icon and will stay there until clicked again. I got the bulk of it taken care of, but my issue lies with switching the icons back and forth. I can get them to display one at a time, but when I click on a new button, all the icons except the button I just clicked don't display. Essentially, only one shows up at a time.
import java.awt.BorderLayout;
import java.awt.EventQueue;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.SwingConstants;
[code]....
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Apr 7, 2014
Sir, I'am new to Swing Programming. I have to create an application where an image is displayed on one Label. The same image has to be split in parts and stored in database pert wise. Later the user has to retrieve the entire image by viewing a small part of the image. I have already displayed the full image on the Label, now i don't know how to split the image and store it part wise in the database.
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Jan 5, 2015
I stored an image into MySQL database using swings and hibernate but I am struggling to retrieve that image from MySQL database and display same image in the jTable cell and same as on jLabel whatever I retrieve from the database using swings and hibernate .
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Nov 17, 2014
public void paint(Graphics g) {
g2=(Graphics2D)g;
rectangle=new Rectangle(50,50,100,100);
}
public action() {
JFrame frame=new JFrame("Assignment 2");
frame.setSize(700,700);
frame.setVisible(true);
frame.setLocationRelativeTo(null);
[code]....
I'm trying to add shapes on my panel once a button is clicked.The tutorials I found is having only 1 panel & therefore they can use g.drawRect() directly but I have few panels & that's the part I don't know how to implement it.The coding above with (//invalid) is the part I would like to write it out but it's invalid.
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Dec 24, 2014
I had string url for image in mysql database and I want show image in mu jsp file bu I can't.
<c:forEach var="urun" items="${listUrun.rows}">
<tr>
<td><c:out value="${urun.kitapresim}" /></td>
<img src="<c:url value="${urun.kitapresim}" /> " width="270" height="190"/>
URL...
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Mar 25, 2015
I am trying to implement user input in my dice rolling program but I do not understand where I need to add the actionListener. What I want the program to do is allow the user to click on each roll button and have the output be between 1 and 6. I figured I can put it in the "main" class due to the size of the program but I would like to know the best way to go about adding the actionListener into a sub-class for practice purposes.Here is my code thus far:
package com.jprogs;
import java.awt.*;
import javax.swing.*;
public class DiceGenerator extends JFrame {
DiceRollEvent dice = new DiceRollEvent();
// create the roll buttons
JButton roll_1 = new JButton("Roll #1");
JButton roll_2 = new JButton("Roll #2");
JButton roll_3 = new JButton("Roll #3");
JButton roll_4 = new JButton("Roll #4");
JButton roll_5 = new JButton("Roll #5");
// create output field for each roll
[code].....
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Mar 31, 2014
I want to make a game and I have the following:
A main JFrame which include some text and a Button (The Start Button), and I made an ActionListener for that Button to another ActionListener which have a for, but when I run the project I only see the final of the for loop.
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Feb 11, 2015
What Is the difference between an ActionListener and an EventHandler ?
button.addActionListener(new ActionListener() {
button.setOnAction(new EventHandler<ActionEvent>() {
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Apr 18, 2014
I am using the DJWebbrowser in a Java Swing Application that I am working on
// Browser addon as Panel
JPanel browser = new JPanel();
browser = (JPanel) util.BPanel.createContent();
wrapper.add(browser);
and am sending data from a Google Map API , Distance Matrix Query with following code
function callback(response, status) {
if (status != google.maps.DistanceMatrixStatus.OK) {
alert('Error was: ' + status);
} else {
var origins = response.originAddresses;
var destinations = response.destinationAddresses;
var outputDiv = document.getElementById('outputDiv');
[code]...
I haven't found a way to access a class property from the class that invoked the web browser, because the above WebBrowserAdapter is in an anonymous Inner Class.´I would like to have the distance that is sent from the Javascript to the application be passed on to the class member "distance" that in the invoking class.
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Dec 25, 2014
I have a snippet here that I'm working with and I have a few questions about it.
button.addActionListener( new ActionListener(){
@Override
public void actionPerformed(ActionEvent ev){
System.out.println("Button Pressed");
}
});
My questions are:
1. How is it possible to use new on ActionListener when ActionListener is an Interface, not a Class. Isn't it illegal to instantiate an Interface?
2. What is going on with the argument to addActionListener? We have the new ActionListener, but we also have a method being defined as well?
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Feb 7, 2014
I have a class with jbutton declared inside like these:
public class UI{
private JFrame ventana;
private JTable table;
private JPanel panel;
private JScrollPane tableScrollPane;
private JTextField aBuscar;
[Code] .....
I would like to add actionlistener in my JButton's. Where must I declared these listener. How should I do these?
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Jul 24, 2014
i have a row of int JTextfields and i want to get a running total of the sum of all boxes in the last total JTextfield, as the user types.I understand its an actionlistener but whats the best way of doing it. What the action to listen out for?
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Mar 18, 2015
How can I remove the ActionListener from the buttons of my application after i have got something happen.
Please consider the following application:
Java Code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Exer1218659 extends JFrame {
private String[] textButtons;
private Container contents;
[Code] .....
After the line 37 executes I expect that the ActionHandler (ah) will be removed from all of the buttons but this do not happen, then all the remaining button still responding to the clicks. Where is the problem in my code.
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