Swing/AWT/SWT :: Adding Images To JLIST

Apr 14, 2015

I am currently creating a Twitter Application within Java Swing using JSON. I have the JList populating with Home feeds but i also want to get Images displaying next to the Text ...

currently all i am getting is [URL] ....

So a am able to get the URL Link but getting that to a Image seems to be the problem

/ArrayLists
final ArrayList<String> TweetArray = new ArrayList<String>(); //Array List for Users Tweets..
final static ArrayList<String> incomingTweets = new ArrayList<String>(); //ArrayList for Incoming Tweets.
ArrayList<String> arrayImages = new ArrayList<String>();//ArrayList for incoming Tweet Profile Images
private Map<String, ImageIcon> imageMap;

[Code] ....

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Swing/AWT/SWT :: Java GUI With Separate Class For JList - Adding Items To The List?

Sep 19, 2014

I am trying to create a GUI interface in swing which consists of four classes: a GUI class, which creates a main JPanel, a label, and a JList, which it takes from the second class, a MovesList class that contains a JList and the stuff needed to interface with it. It also has a main class, which basically just creates an object of the GUI class for the main window, and an Other class from which I would like to be able to add an item to the JList. I created methods in the MovesList class to get each component (like getMoveslist, or getMovesListScrollPane), which I then used to create the JList in the GUI class. I also created an addMove method so that I can add an item to the JList from any class through a MovesList object. However, this addMove method only works when called from the GUI or MovesList classes -- it does nothing when I collect from the Other class.

Here is my code:

//Main class
public class TestProject {
public static void main(String[] args) {
GUI mainWindow = new GUI();
mainWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

[Code] ....

When I run this code, I get a window with a JLabel that says "Moves," and a JList that contains five elements -- test 1-test 5, but not a sixth "test from other class." ( using the add move method ) However, when I click on the window, the addMove method is also called, and successfully adds "test 6" to the list.

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Adding Values From Jtextbox To JList

Aug 9, 2014

how to add values from Jtextbox(name) to JList and display the selected values from Jlist.

import java.awt.*;
import java.awt.event.*;
import java.awt.Color;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import javax.swing.DefaultListModel;

[Code] ....

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Adding JList Object To Load With EnumMap

Sep 20, 2014

I have a program I am creating in Eclipse. In my JFrame window, I am adding a JList object that I want to load with an EnumMap that I have created in a separate 'enum' class.

In my JFrame, I have a method called 'loadJList()' in which I want to iterate through the EnumMap and load the keys & values.

Here's what I've tried

In my EnumMap class, I've done the following ...

Java Code:

public enum MyEnumMap {
.....//created map values & keys, getter() and setter()
public Enum<MyEnumMap> getEnum() {
return this;
}
} mh_sh_highlight_all('java');

I imported my EnumMap program in my JFrame program and tried something like ...

Java Code:

public void loadJList() {
for(Enum<?> e: myEnumMap.values()) {
list.add ....
}
} mh_sh_highlight_all('java');

Which does not work. I've scoured the internet a bit but sources on EnumMap are limited, at least ones I can understand (first time trying to use this).

I also need to elaborate on the key of the EnumMap (they are cities, I'd like to add the state or country). For example

LASVEGAS, 749.99

I would want displayed as

Las Vegas, Nevada .... 749.99

My ultimate goal here is to access my EnumMap in my JFrame program to dynamically load a JList object.

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Adding Elements To Existing JList Under Java 7

Mar 14, 2014

I know there was a change in the later versions of Java where the C++ equivalent of a <template type> was added. Unfortunately the change has 'broken' my older code. If I have a JList and I want to add elements to it then now I should specify the type e.g., the list will store Strings. When I do this and then add data to the list (or actually the list model) the code is ''fixed". However if after adding those new elements to the list I later need to add more elements, which isn't unreasonable for a list...to have elements added dynamically at run time then I again get the same compiler error message that I haven't correctly specified the type:
 
// Error message during compilation
Note: Driver.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
 
// My code
 
// Problem here: I try to add new elements to the list. It's the very last line of the method that results in the error. I tried various things such as:

// model.addElement(<String> s);
// but   so far nothing has worked. How do I add new elements to the list (model)?   
public static void m2(JList <String> list)
    {
    String s;
    int i;
    String [] array = new String[10];

[Code] ....
 
// Code is OK: Create the array of strings to add to constructor of the JList

public static String[]  m1(){    String s;
    int i;
    String [] array = new String[10];
    for (i = 0; i < 5; i++)
    array[i] = i + "*";    return(array);

[Code] ....

// The change I had to make when compiling under the newer version of Java to indicate that the list would store strings
 
   // Things are okay here now but then when I try to add new elements to the model via method 'm2' that's where I get the compiler error

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Error When Adding Images?

Jan 16, 2014

I have been trying my hand at making 2d top down view games and have found myself repeatedly using the same code so i created a file with all the functions so when it is down i just import the jar and dont have to keep rewriting functions. I have trouble because the background is loaded on the screen and i dont know why as i didn't tell it to load. In fact I set the panels visiblity to false. Both of my classes are in the same package. Why I still get the Image.

Walking Turtle
Java Code: import javax.swing.*;
import java.awt.event.*;
public class turtleWalker extends JFrame{
public static void main(String[] args){
JFrame frame = new JFrame("Walking Turtle");

[code]....

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Adding Images To Word List?

Apr 20, 2014

I am trying to add images to go with my wordlist but unsure of how to do this.

public class WordRepository {

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Adding Images / Colors Into A Java Quiz

Mar 26, 2014

I am making a quiz in Java. I need to be able to add images and colours into my quiz, to make the GUI look more appealing. At the moment, the JOptionPane that I am using looks very plain and boring. I want to be able to have my quiz running the same as it is at the moment, but I want to be able to import the images, add colours, and add Here is a copy of my quiz code:

Java Code:

package quiz;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.util.Scanner;
import javax.swing.AbstractButton;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;

[code]....

how I have added the images into the src folder:

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Swing/AWT/SWT :: Using JList Instead Of JTable?

Apr 18, 2014

Can I use Jlist instead of Jtable for showing database table data (select * from employee) in my code?

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Swing/AWT/SWT :: Changing Color Of JList Item

Oct 23, 2014

is there a good way to change the color of a JList item that isn't selected? I'm throwing my hand at building a client/server chat app and on the client side, I need to highlight the name of the person (which is in a JList) who has sent a message to the client GUI.

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Swing/AWT/SWT :: Alternative To Making Static JList?

Sep 16, 2014

I am currently writing a chess application in Java swing. For the GUI part, I have one MainWindow class, and one ChessBoard class. The MainWindow has a main panel, in which is contained 1) a panel containing the chessboard from the chessboard class (a grid layout array of 64 JLabels), 2) a JLabel status bar, and 3) a JList to hold the moves of the game. I have a movePiece method in the chessboard class, which I would like to add the move and question to the moves list, which is contained in the main window class.

However, since JList is some special type, I can't make it static ( that gives me an error ). I also tried creating a method in the main window class to add a move to the list, which I would then access via the chessboard class. However, I can't make the method static, because it is referencing a non-static variable ( the JList ), and since the Main window class already has an object of the chessboard class, trying to create a main window object in the chessboard class creates a stack overflow error.

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Swing/AWT/SWT :: How To Fill Text Fields With Selection From JList

May 2, 2015

I have an addressBook GUI where I have a JList that populates with the contacts names, and once I double click a contacts name I'm wanting to fill the textfields with the contacts corresponding data.

ex) ContactType: Family (enum), Name: Zoidberg, Address: 111 Space Drive, City: New York City, etc...

I've got it to where I select open from the JMenu, it populates the JList, but once I select a contacts name, all the textfields are populated, but only with the contacts name

ex) Name: Zoidberg, Address: Zoidberg, City: Zoidberg, etc....

What am i doing wrong here, and how can i fix it to where it fills out the correct data?

Here's my code so far:

public class AddressBookGUI extends JFrame {
private final int WIDTH = 450;
private final int HEIGHT = 300;
private JLabel currentlySelected;
private JTextField contactTypeTextField;

[code]...

I'm certain the logic is messed up near the end where i set all text fields to the index, because no matter what field i want to fill it's at it's going to set it to whatever index I select, but I don't know how to fix it.

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Swing/AWT/SWT :: Create A Sub Menu For Every List Item In A Jlist

Oct 8, 2014

I would like to create a sub menu for every list item in a Jlist. I need the UI like avast interface. If we hover over an list item, its sub menu should be shown. I attempted to put an sub menu but didn't work. Is this possible in Swing?

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Swing/AWT/SWT :: MouseListener Doesn't Work If JList Has Custom CellRenderer

Nov 9, 2014

I have a JList<Object> in my code (it actually takes JLabels) called imageList, and I've given it a custom CellRenderer using the following code:

cellRenderer = new DefaultListCellRenderer() {
private static final long serialVersionUID = 1L;
@Override
public Component getListCellRendererComponent(JList<?> list,
Object value, int index, boolean isSelected,
boolean cellHasFocus) {

[Code] .....

However, when I click anywhere on the JList, nothing gets printed to the console, which suggests that the mousePressed() method isn't being invoked. I think it's a problem with the CellRenderer, because I have similar code elsewhere that works, the only difference being I don't use a custom CellRenderer.

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Swing/AWT/SWT :: How To Develop Carousel For Images

Nov 6, 2014

how to develop carousel for images using java swing

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Swing/AWT/SWT :: Why Delays In Drawing Images

Jun 17, 2014

I have a question about the execution of code to draw images relative to code that comes after that. I don't normally do this sort of thinghere's the problematic code:

int stn = 0;
while (stn < 10)
{
glb1.xOfText += 20;
glb1.yOfText += 20;
gc1.drawImage(glb1.img1 , glb1.xOfText , glb1.yOfText);
TimeKeeper.pause(500);
stn++;
}

Where glb1 is a final reference to an object that holds common data for the game.while its x and y values say they are for text, they are also used for image placement (at least during this testing phase.)

gc1 is the "graphics context" of the canvas that the images are being drawn on.

The person who wrote this said, "When the attached code is run, the calls to TimeKeeper.pause(500), which in turn call Thread.sleep(500), are all executed in row, and then the results of drawing the image 10 times is displayed. (I know because some of the previous image pastes left some visual data behind.)"

I recall from reading about drawing graphics (a long time ago) that drawImage() could take time, but I don't know why the thread does not indeed sleep between calls to drawImage().

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Swing/AWT/SWT :: Display Images According To Number?

Mar 27, 2014

The code below is just the GUI for a slot machine. Currently when play is clicked it displays the random number, I'm trying to make it so each random number displays an image in the GUI instead. For example if the random numbers were 2,2,3 it would display Cherry, Cherry, Bells. I started changing field1 to the image but realised I was on the wrong track as it would just display the same image not one allocated to a number. I've left in what I started doing.

how to do it?

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SlotMachineGUI {
JPanel mainPanel;
SlotMachine slotEngine;

[code]....

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Swing/AWT/SWT :: Drawing Images That Are GIFs

Dec 20, 2014

how to phrase the question. I created a small applet in java.. it allows me to move a toon around a blank applet window. I am using four gif files that have a walking animation in them. The issue i am having is after moving around the gif just flashes in and out really quickly.. when i start the program, moving up and down seems to be working perfectly fine, but the moment i move left or right it starts messing up for all directions. here is my code.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class CharactorMove extends JApplet implements KeyListener

[code]....

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Swing/AWT/SWT :: Switch Images On Combobox Select

Aug 7, 2014

Is it possible to switch images (on jlabel)on combobox item select. I

If (combobox.selecteditem = value)
{
SetIcon (resource) // I'm using the default auto generated code used by eclipse when we set an icon for a jlabel in the gui
}

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Swing/AWT/SWT :: Redrawing Images Causes Flickering On Screen

Mar 12, 2014

i'm currently doing my system now and my problem is about inserting an image to my jframe form with thread because if i insert image and when i run it it blinks too slow comparing if i use simple oval it doesnt blink.

why is it that if i wrote the code like this.

public void DrawSnake(Graphics g) throws IOException {
Image image = ImageIO.read(this.getClass().getResource("body1.jpg"));
Image image1 = ImageIO.read(this.getClass().getResource("body.jpg"));
Image headr = ImageIO.read(this.getClass().getResource("headr.jpg"));
Image headl = ImageIO.read(this.getClass().getResource("headl.jpg"));

[Code] .....

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Swing/AWT/SWT :: Resizing Images In Jbuttons In Grid Layout

Jun 21, 2014

Am trying to dynamically insert buttons (which will be presenting card in a frame) using grid layout.As shown image is getting inserted but its not fit in button.I tried Darryl's Stretch icon as well but of no support.

panel_playerCards.setLayout(new GridLayout(2,10, 0, 0));
for(int i=0;i<9;i++){
StretchIcon icon=new StretchIcon(UnoGui.class.getResource("/UnoColors/green/card10.png"));
btnArr[i].setIcon(icon);
btnArr[i].addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
}
});

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Swing/AWT/SWT :: Loading SVG Images On JPanel With Transparent Background

Mar 27, 2014

I'm working on loading SVG images on Jpanel using "Apache(tm) Batik SVG Toolkit" , but after the image get loaded it has "white background" and "not transparent" one like PNG images.

I checked "fill" of rect attribute on the xml file of the svg image and it was correctly set to none, I also Tested the image on html document and it was trasparent, but in my java app it has white background.

The Question is there any way to load SVG images with transparent background on Jpanel ?

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Swing/AWT/SWT :: Getting Images From Folder Inside Project - Relative Path

Jul 17, 2014

I'm going through the next problem:

importing a project from Eclipse into NetBeans, I tried importing project, did not work, anyway

I got all the classes good, but I got a folder with images and a TXT file

part of the code:

listaIconsPlayers[0]=(IconsUtils.makeIcon("imagespinspin_blue.png",dimensaoPinGrande,"pin_blue"));
listaIconsPlayers[1]=(IconsUtils.makeIcon("imagespinspin_green.png",dimensaoPinGrande,"pin_green"));
listaIconsPlayers[2]=(IconsUtils.makeIcon("imagespinspin_purple.png",dimensaoPinGrande,"pin_purple"));
listaIconsPlayers[3]=(IconsUtils.makeIcon("imagespinspin_red.png",dimensaoPinGrande,"pin_red"));
listaIconsPlayers[4]=(IconsUtils.makeIcon("imagespinspin_yellow.png",dimensaoPinGrande,"pin_yellow"));

Where do I place my folder Images and how can I configure this so this lines of code go get that images from a folder inside the project..

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Putting Images In GUI / Images In Source File Don't Seem To Be Recognized

Jun 7, 2014

This is my class with the GUI:

import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JPasswordField;

[code]....

Eclipse error message:

Exception in thread "main" java.lang.NullPointerException
at javax.swing.ImageIcon.<init>(ImageIcon.java:205)
at GUI.<init>(GUI.java:26)
at Apples.main(Apples.java:7)

i think the problem is to do with my images not being recognised. I put them in my source in User>...>workspace>src which is correct as far as i know. From what i know the images should show up if i look at my src file in eclipse but they dont. I tried changing the file type from .png to .jpg but it makes no difference.

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Swing - Adding Second Row Of Buttons

Nov 27, 2014

I am new to swing and I wanted to know how to be able to make a second row of buttons. Right now I have a text pane at the top and at the bottom one row of buttons. But I need to add another row or two of buttons. I've only been coding in Java.

public class TextPane {
public static void main(String[] args) throws IOException
{
/////////////
//I/O FILES//
/////////////
//Create the input file
FileWriter inputFile = new FileWriter("userInputStory.txt");//story user creates with the <nouns>, <verbs>, etc
PrintWriter inputFileWriter = new PrintWriter(inputFile);

[Code] .....

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Swing/AWT/SWT :: Adding ActionListeners To JButtons

Mar 11, 2009

I have an application that reads through a ResultSet... while I'm reading that ResultSet, I am creating new JButtons..... Now I need to add an ActionListener to those JButtons...... but they are not visible to the actionPerformed method. So I thought I'd try to add an ActionListener as I created the buttons with the following code:

final File file = new File(rs.getString(3));
SKPictureButton spb = new SKPictureButton(url,file.getName());
spb.addActionListener (
new ActionListener() {
public void actionPerformed( ActionEvent e )

[Code] ....

However this seems a bit excessive to me..... I don't think I really want to be creating a new ActionListener class for each JButton do I ? Is there a better way to make the JButtons created in this method visible to the actionPerformed method ? I'm just gettin' back into the "Swing" of things in Java.... haven't coded it for a while.

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