Swing/AWT/SWT :: Using SetBounds Or SetLocation On JTextArea Not Working
Oct 31, 2014
I am adding a JTextArea to my JPanel with this code:
commentTextArea.setLineWrap(true);
commentTextArea.setWrapStyleWord(true);
commentTextArea.setVisible(true);
this.add(commentTextArea);
commentTextArea.setBounds(0, 0, 100, 100);
//commentTextArea.setLocation(0, 0);
Whenever I use setLocation(0,0), the JTextArea never moves. It is always in the top middle of the screen, not at (0,0). The same goes for setBounds(0,0,100,100) BUT the height and width are set this way, just not the location. Why is this?
Full Code
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
[Code] .....
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Dec 31, 2014
I am making an application in java, inside static void main, i want to customize all buttons, text areas and want to put them on desired location inside application. I have tried to use setbounds but can not use it, how can i use it, or is there any other way or layout to make my application components customized layout.
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May 3, 2015
i have this code when i selected a node it display the attribut and value of it in JTextArea but i want it into table :
public void valueChanged( TreeSelectionEvent event )
{
if( event.getSource() == jtree ){
{
FramePrincipale.getExplorePanelll().setText(null);
TreePath path = jtree.getSelectionPath();
String a = changeString(path);
Hashtable env1 = System.getProperties();
env1.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env1.put(Context.PROVIDER_URL, "ldap://localhost:11389/");
[code]....
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Apr 20, 2014
I have dragged and dropped a jTextArea from netbeans palette onto my form. But when I right clicked for Event > action > actionPerformed for implementation, I realized such was not there, unlike the jTextField component. For example, I have tried this but it didn't work:
//{
Import java.swing.*;
JTextArea txa = new JTextArea();
txa.getText(jTextArea1);
txa.setText(jTextArea1);
txa.setTextWrap(true);
//}
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Nov 6, 2014
I need to make a simple applet, but I'm stuck with something. This is how my applet should look:
And this is how that part looks in my applet:
What I've done until now is create one JPanel which includes two other JPanels.. The first one contains only the JTextArea you can see, and the other one includes the other elements.
I just need to make the JTextArea taller, like in the example, so everything comes into place...
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Mar 29, 2014
I have a problem with my code,in fact I can't output the stream from console to my jTextarea,this is my code:
public class AudioFrame extends javax.swing.JFrame {
static double[] audioFile;
static String audioToDecode;
static String audioKey;
static String outputName;
static String outAudio;
static String name;
static int command;
static String textToEncode;
[Code]...
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Dec 30, 2014
I am currently working on a project that can save text from a JTextArea and also open that same saved text. The problem I am having is that when I open the saved text file it is no longer formatted.
How the file looks before saving/closing:
public class HelloWorld{
System.out.println("Hello World!");
}
How the file looks after being saved/closed then opened:
public class HelloWorld{ System.out.println("Hello World!");}
When I save the file I'm actually saving the entire thing to a single string. When I do this the String eliminates all tabbed spacing and pushes all characters to one single line.
The only ideas I had for fixing this were to either somehow use Format in the String class or record every time user tabs and add to the String.
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Apr 21, 2014
I have a program with a main panel JPanel that implements KeyListener. I added a JTextArea to which I added as the KeyListener: this, meaning the main panel. I made the JTextArea fill the entire main panel because I want to catch a key press anywhere in the main panel.I catch the key presses and the program does what I want it to.
I added a JToolBar to the program; it is working just fine.Now that I have two components on the main panel - toolbar and panel with textarea -, the textarea must have the focus before it will send the KeyEvent and call keyPressed(). I don't want to expect the user to click on the main window to get the program to start or after each time they use the toolbar.
I have tried calling both requestFocus() and requestFocusInWindow() on the textarea; neither call worked. I put the toolbar at PAGE_END instead of PAGE_START; this worked to allow the program to start but I don't want to have the toolbar at the bottom and once I clicked on a toolbar button, the textarea lost the focus.
I need to be able to give the textarea the focus when the program starts and after the user uses a toolbar button. (I suspect that if I solve the problem when the program starts, I can use the same method after handling a button press.)
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Jan 9, 2014
Here's a snippet of code from a program I'm making:
private void init() {
...
testInfo = new JTextArea("Progress log:
");
testInfo.setEditable(false);
testInfo.setLineWrap(true);
testInfo.setPreferredSize(new Dimension(testInfo.getPreferredSize().width, 200));
scrollPane = new JScrollPane(testInfo);
scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
...
add(scrollPane);
}
The problem is, the JTextArea that's created has a "limited" number of rows - it seems you can still enter more lines than the "limit", but they don't show. I thought it was a problem with the JScrollPane but I'm not so sure...
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Nov 3, 2014
So, I have a program that allows me to dynamically add JTextAreas and then drag them around the screen. The problem is, when I add a new JTextArea, I call revlidate() to update the panel. This causes all of the JTextAreas to reset their positions. How can I prevent this from happening? It is happening on this code:
public void addBox() {
drag = new DragListener();
JTextArea textArea2 = new JTextArea("Some text
Some other text");
textArea2.setLineWrap(true);
textArea2.setWrapStyleWord(true);
[Code] .....
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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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Feb 7, 2014
I have a swing application that gets football scores from a website using Jsoup.
When the "Get Scores" button is pressed, the scores are printed to a JTextArea with a JScrollPane.
I have also used a SwingWorker to update the scores every couple of seconds.
My problem is that every time the JTextArea updates, the JScrollPane scrolls back to the top of the text area. I wan the scroll bar to stay where the user left it.
Here is my code (The update is currently set to update every 1 second so you can see what the scroll bar is like).
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
public class frame extends JFrame {
[Code] ....
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Nov 5, 2014
How do I move focus from a jcombobox to a specific component say a jtextarea.
My attempt below seems to be moving to a random component not the desired jtextarea.
takenByCombo.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_TAB ) {
e.consume();
dayJTArea.requestFocus(); // focust not moving dayJTArea
}
}
});
I applied the above logic to move focus from a specific jtextarea to another jtextarea as seen below and it works as desired.
dayJTArea.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_TAB ) {
e.consume();
monthJTArea.requestFocus();
}
}
});
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Feb 14, 2014
I'm trying to get a progress bar to work on my GUI.
This is what I have so far, the parameters are taken from another class that takes in an image in packets from a Raspberry Pi and stores them to a file on PC.
public void ImageInfoReceivedHandler(int sizeOfFile) {
progressBar.setMinimum(0);
progressBar.setMaximum(sizeOfFile);
progressBar.setIndeterminate(false);
[Code] .....
The println are printing out the correct values and they are being implemented in the methods, but nothing is happening in the GUI.
I have a thread setup in the GUI when a button is pressed
getImageButton.setText("Timer Started");
transmit = new transferImage(port);
lblImgProcess.setText("Getting Image, Please Wait");
transferThread = new Thread(transmit);
transferThread.start();
So the thread starts and image is then transmitted, does the progress bar need to be in that event handler?
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Mar 26, 2014
setDefaultLookAndFeel is not working as i'm expecting.this is my code: URL....
import javax.swing.*;
import java.awt.*;
import javax.swing.event.*;
import java.awt.event.*;
import javax.swing.text.*;
import java.io.*;
import java.text.*;
[code]....
after reading the oracle tutorial on how to make frames and reading FrameDemo2.java. URL....i thought setDefaultLookAndFeelDecorated(true); would give me a different decoration than the default windows 7 border.but toggling between true and false changes nothing, and changing setUndecorated does nothing either.what am i supposed to do to make it look like the one in theFrameDemo2 window?
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Mar 5, 2014
I was suspecting I had a jButton not working, so I added a console print to test. See below. When I click the button, the console doesn't display anything. Am I using the button wrong?
private void jButtonUpdateItemsMouseClicked(java.awt.event.MouseEvent evt) {
System.out.println("click");
System.out.println(drawPreviousRectangle);//this is a boolean
}
I have also tried the following with the same results (or lack of).
private void jButtonUpdateMajorDeckItemsActionPerformed(java.awt.event.ActionEvent evt) {
System.out.println("click");
System.out.println(drawPreviousRectangle);//this is a boolean
}
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Mar 11, 2014
I am trying to get a scrollPane working correctly, but not having any luck. The picture drawn in the center panel is quite large and goes off the screen. I visited URL... but I am missing something vital. Both tracks show, but there is no knob to do the scrolling.
public DViewer() {
super();
frame = new JFrame();
frame.setSize(Toolkit.getDefaultToolkit().getScreenSize());
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
[code]....
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Sep 6, 2014
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.sql.*;
class Stock extends JFrame implements ActionListener
[code]....
well everything seems to be working fine only the scroll pane is not working.
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Feb 27, 2015
The class does get compiled but the submit button doesn't work?
/**
* Orchestration class for Account
*/
import java.awt.*; //Importing the java.awt.* class
import java.awt.event.*;//Importing the java.awt.event.* class
import javax.swing.*;//Importing the javax.swing. class
public class AccountDemo extends JFrame
{
/// initializes the variables in the container
[Code] ....
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May 4, 2014
I'm trying to make a simple window that displays 5 text fields on x number of rows, depending on what I set x to. Attempting to do this with GridBag Layout but I can't seem to get a new row started. The closest I can get is to repeat the same fields on the same row. I'm trying to modify the row by putting the code in a loop and setting gridy = i, that way each iteration should place the code lower than the first. I'm new with GridBagLayout so I'm probably missing something simple. The constructor with the loop is below. I've commented out code that doesn't seem to work but left the gridx and gridy.
public PAMCalculator()
{
setTitle("PAM Calculator");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(WIDTH, HEIGHT);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints gridConstraints = new GridBagConstraints();
setLayout(gridbag);
[code]....
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Jan 16, 2015
I'm trying to make a simple program that will feature some graphics. It will have a JCombobox that the user selects to draw various shapes. I can't get the repaint function to work however.
package selectingshapes;
import java.awt.Graphics;
import java.awt.Color;
import javax.swing.JPanel;
import java.awt.Graphics2D;
[Code] .....
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Sep 5, 2014
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.sql.*;
class Stock extends JFrame implements ActionListener
[Code] ....
Everything is fine but the scroll pane is not working!
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Oct 15, 2014
I am trying to make my audio loop and i tried the code below
public void audioloop() {
AudioPlayer MGP = AudioPlayer.player;
AudioStream BGM;
AudioData MD;
ContinuousAudioDataStream loop = null;
try {
[Code] ....
But is not working. I was thinking may be API is not work with java 7 because i got the following warning (AudioStream is internal proprietary API and may be removed in a future release);
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Apr 4, 2014
I have written a drum machine using Java. Into said drum machine I list all 47 available MIDI drums. The instrument list is placed into a JPanel, along with a gridArray of checkboxes. The JPanel is then in turn added to a scrollpane. I have listed the MIDI drums in order of 'ground-up'. For example, the bass drum is generally at the bottom of most drum kits, so it is at the bottom of my MIDI drums list. Next up would be the snare, followed by the cymbals, and then by all the specialty percussives. Since most beats are started from the 'ground-up', laying to foundation, so to speak, I want the scroll bar of the scrollpane which houses the JPanel, which in turn houses the instrument list and the beat checkboxes, to be positioned, upon opening, at the bottom of the scroll pane. Nothing I have tried works. It always positions the slider somewhere in the middle of the scroll track. Below is a listing of just the buildGUI portion of the code, all the MIDI functionality has been removed to keep the size of the post to this forum down.
import java.awt.*;
import javax.swing.*;
import java.util.*;
public class BeatBoxG
{
JFrame overallOuterFrame;
JScrollPane namesAndSquares;
[code]....
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Sep 5, 2014
Why the JFrame is not working
// Project: RestaurantBillCalculator.java Calculates a table's bill.
// Import statements for different classes
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.text.*;
import java.util.*;
import javax.swing.*;
public class RestaurantBillCalculator extends JFrame
[Code] ....
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Oct 6, 2014
I made an Analog Clock and its working but when a remove the filloval (Background) the seconds hand keep repeating itself..here is the code
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import javax.swing.JFrame;
import javax.swing.JPanel;
[code]....
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