JTextField Cannot Be Edited After Requesting Focus
Oct 27, 2014
Im trying to embed swt browser in swing , the problem that I have is that i cant change the value of JTextField even when i request focus ,when i try to give input the input goes in the browser's page bar..
public static void main(String[] args) {
final SwtBrowserCanvas browserCanvas = new SwtBrowserCanvas();
final JTextField textField = new JTextField(15);
[Code]....
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May 20, 2013
How to remove focus from jtextfield by click the blank area in a jpanel?
When I click the blank area in a jpanel. i want the cursor in the jtextfiled lost focus
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Jul 16, 2014
The Table Model
package presentation;
import java.util.List;
import javax.swing.table.AbstractTableModel;
import javax.swing.*;
import javax.swing.table.*;
import java.awt.*;
import business.*;
public class BgTableModel extends AbstractTableModel
[code]....
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Jul 16, 2014
I've tried everything but in vain..I want to save the data from the table into the database, I can easily connect to the database. All I want is how to get the values from the table. I've tried this method to get the values but its not working because of the contructor error in the BgTableModel class.
Tried Method
public void writeBgEdu() {
int last=gtm.getRowCount();
System.out.println(last);
for( int i=0;i<last;i++) {
if(((String) gtm.getValueAt(i,0))!=null)
[Code] .....
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Feb 11, 2014
I'm writing a program that dynamically updates an xml file as it is being edited. It needs an add function, delete, and save, and so far, I've gotten only the add function working properly. I've got a delete method that works when I run only that method, but not when I run the program as a whole. I don't get any exceptions or errors and I'm trying to edit the file via printwriter. It creates a new temporary file with the new xml with the deleted section and then overwrites the current .xml file. It runs flawlessly when I run only the delete method, but not when I run the program as a whole.
public static void removeFromFile(String file, String lineToRemove) {
try {
System.out.println("Removing: " + lineToRemove);
File inFile = new File(file);
if (!inFile.isFile()) {
System.out.println("Parameter is not an existing file");
[Code] ....
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Apr 4, 2015
I'm creating a simple login screen and I need to focus on the first field "login" after I click a submit button, so when the page return. I tryed using JS :
window.onload = function() {document.forms[0].elements[0].focus();};
but it not worked. I need a solution if possible without using JS. I'm using raw JSF implementation without PrimeFaces or anything else like this.
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Feb 23, 2014
I want to focus at a JTextField, how to do that? Can setfocusable work?
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Aug 31, 2014
I have two JFrames: frame1 and frame2. frame2 currently has focus, and I want to determine which component of frame1 would have focus if I were to switch focus to frame1, hopefully without actually temporarily changing focus.
Is it the KeyboardFocusManager who keeps track of which element in each frame has focus? Or does each container itself keep track? How does Java figure out which element in a frame gets focus when I switch to that window?
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Apr 29, 2014
I'm facing a problem in controlling the focus traversal mechanism inside a jframe...as i want the focus to travel from top to bottom by pressing tab key regularly , but it travels left to right and then top to bottom through the textfields... The form looks like
textfield1 textfield4
textfield2 textfield5
textfield3
The focus travels from 1 to 4 , 2 to 5 and then rests at 3. but i want it to be like from 1 to 2 to 3 and then 4 and 5....
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Aug 1, 2014
I am working on a Java program to monitor meal consumption by members of an organization. They swipe their ID cards, enter PIN, and number of meals they want. System knows if dining room is open and what meal based on time. The system then prints out a receipt on an Epson TM-T88IV receipt printer.
The system is running in console mode. My problem is that when the system prints, a Notepad window pops up for milliseconds and then the Java program loses focus. The screen reverts back to Windows home screen. I'm using Windows XP, SP3 and the latest Java build.
How to prevent the loss of focus?
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Jan 29, 2015
so i'm working in a chat program and i'm trying to make it so that you are able to open another tab yet still be able to chat.
right now the client that the user download uses the keyadapter to get the keyboard input, but whenever the user un-focus the chat window, the keyadapter no longer gets the keyboard input.so is there another way i can get the keyboard input? so it doesn't matter what window you are focused on, you get the keyboard input either way?
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Jan 27, 2013
refer to this code~
import java.awt.GridLayout;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.Color;
import javax.swing.JButton;
[Code] ....
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Jan 21, 2014
This code will not dismiss the MemoryDateDialog when it loses focus, while it is what it is intended to do.
btnMemoryReason.addActionListener(new ActionListener(){
@Override
public void actionPerformed(ActionEvent e) {
List<MemoryDates> lMemoryDates = db.getMemoryDates(custID);
final MemoryDateDialog mdd = new MemoryDateDialog(lMemoryDates);
[URL] .....
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Feb 18, 2014
I'm nearing the final development stages of my first game, but have run into a problem. I've constructed 4 different levels and allow the user to select the level they want to play from a central JPanel in a Card Layout system. My problem is that once a level is completed, I can't switch the JPanel which is displayed to start the next level, since I don't know how to access the original JPanel which acts as a driver for the other panels.
MainFrame.java
Java Code:
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Font;
[Code] ....
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Apr 28, 2014
I don't know if this is possible before JSF2.0, but I got a requirement that basically says that I need to be able to add focus to a certain element on the page using a custom JSF 1.2 component.
Currently, I do this with a short jQuery method where you add a class called 'focus' to the inputText component you want focus on. This works perfectly, but I need to also foresee a nested component inside h:inputText to do this.
Example:
<h:inputText id="myFirstTextField" value="#{bean.someText}">
<o:focus/>
</h:inputText>
I had thought about just putting an element with a certain class and using a jQuery selector to get its parent, but then I realized the html input tag does not allow subtags and that couldn't work, so I need something that won't be rendered but will do the job.
Migrating is evidently not an option.
I'm using Seam 2.1.2 and richfaces 3.3.4
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Feb 1, 2014
the focus traversal policy (hereafter "tab order") in forms and panels doesn't follow the order in which controls were inserted into the container, but is derived from the position of the components on the form or panel. This is very neat (and probably allows sloppy coders and GUI builders to exist without actually ever thinking about the tab order), except when it isn't. As when you actually want to specify a different component order, for example.
In the following example, I've created a form with two columns of buttons. I want the tab order to go through the first column of buttons, followed by second column of buttons (ie. a column-by-column schema). The default tab order is row-by-row, however, and can be obtained for reference by commenting out the setupFocus() call in the constructor.
I had hoped that the ContainerOrderFocusTraversalPolicy would do the job, but there is a couple of problems (which I've addressed in the setupFocus() method). Firstly, the container itself is part of the focus chain. This at least is easily remediable by calling setFocusable(false), but I don't have to do that with the initial focus traversal policy, so I wonder why I have to do it with this one. The other problem is more pressing, though - the ContainerOrderFocusTraversalPolicy lets me (un)hapilly tab through JLabels. Again, I've fixed this, but the initial policy knows all by itself that it's not a good idea to focus a JLabel. Moreover, I'm afraid there might be other components that do not receive focus with the original policy, but ContainerOrderFocusTraversalPolicy might plod though them.
isn't there some focus traversal policy implementation that I could just set and it would tab through exactly the same components as the original policy, except it would order them according to their order in the container?
Code:
package test;
import java.awt.Component;
import java.awt.ContainerOrderFocusTraversalPolicy;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
[code]...
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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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May 7, 2014
I'm having a small problem using a jTable.
After calling the .clearSelection() methode of the table object, the cell clicked in when selecting the table row, keeps it's focus.
How do I remove the focus of the cell?
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Apr 5, 2014
public void createSearchArea(){
filterText = new JTextField("Search Here");
filterText.setForeground(Color.gray);
filterText.setBounds(130,5,950,25);
filterText.getDocument().addDocumentListener(
new DocumentListener() {
[Code] .....
I want to add a text to JTextField whenever the text field is clicked it should be removed and if user types nothing then it should come back.
I've used focus listener but on focus lost my JTable also stops showing data in it.
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Dec 5, 2014
I'm having issues with providing focus to keyboard buttons when a JInternalFrame with keyboard buttons is called in my program. So for example when the program is started the attachment called signinscn.png is called.
This screen is a JDesktopPane which calls JPanel for its components.
From here a JInternalFrame containing the buttons ESC and F1 to F4 as seen in the attachment called signinscn.png is called.
I would like the buttons in my JInternalFrame to have focus such that when a user engages the equivalent keyboard button i.e. ESC or F1 to F4 WITHOUT clicking on the JInternalFrame the respective button's action listener kicks in. At the moment only after the user clicks on the JInternalFrame do the equivalent keyboard buttons respond.
Here's the constructor of my JInternalFrame and you can see how I handle the ESC keyboard button in the constructor of the JInternalFrame (but as I mentioned only after the user has engaged the JInternalFrame):
//!<
public AdminHomeJIFrame() {
super(null, false, // Resizable
false, // Closable
false, // Maximizable
false); // Iconifiable
BasicInternalFrameTitlePane titlePane =
(BasicInternalFrameTitlePane)((BasicInternalFrameUI)this.getUI()).getNorthPane();
[Code] ....
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Oct 31, 2014
I have a case where I have a TreeView and I use it to select items from the tree. After I select each item I then clear the TreeView selection. Then, when I select outside of the window, the setFocused is called which in turn selects item 0 from the tree. I see in the TreeView.java the code,
private InvalidationListener focusedListener = observable -> {
// RT-25679 - we select the first item in the control if there is no
// current selection or focus on any other cell
MultipleSelectionModel<TreeItem<T>> sm = getSelectionModel();
FocusModel<TreeItem<T>> fm = getFocusModel();
[Code] .....
Is there anyway to suppress this behavior?
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Jun 29, 2007
How would you set a column in a JTable to make it unable to gain focus i.e. select the next column on the same row or ignore the command completely when selecting a column that should not be able to be gained focus on?
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Jan 31, 2015
I've made a small GUI app where you enter a website Into a JTextArea (area) and It appends It to "<a href=http://..... The problem I have Is the area.requestFocus() leaves a single space and the href ends up as URL....Is there a way to move the focus one space to the left or to backspace the appended website ?
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Feb 18, 2014
I've constructed 4 different levels and allow the user to select the level they want to play from a central JPanel in a Card Layout system. My problem is that once a level is completed, I can't switch the JPanel which is displayed to start the next level, since I don't know how to access the original JPanel which acts as a driver for the other panels.
MainFrame.java
Java Code: import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Font;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
[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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Mar 25, 2015
I have a supermarket checkout line where i have a list of available products on the left and then a basket on the right with the products in. The products are listed in an array, here is the product class
public class Product {
private String name;
private double weight;
private double price;
[Code] ....
with getters and setters excluded, and the list these are put into
public class productList extends DefaultListModel {
public productList (){
super();
}
public void addProduct (String name, double weight, double price, int code){
super.addElement(new Product(name, weight, price, code));
i have the price for each product to be displayed in a text field with the following code
addBasketItem = new JButton();
getContentPane().add(addBasketItem);
addBasketItem.setText("Add >");
[Code] ....
defaultCheckoutList contains my available items and defaultMainList is the basket, with mainTillPrice being the jtextfield.
This works to get the price however it just replaces each time i make a new entry with the price for the next item, i want a total of the price of all the items i have added, but not sure how.
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