JSF :: How To Force Refresh Screen
Oct 9, 2014
in my JSF2 app I have screens composed with :
- Header
- Body
In the header I have a combo list. At each change in value in the combo list I have an Ajax request that updates the data in the Body. So far everything is working properly. Now the home screen's structure should be change when the value of combo list change. To do this I have :
- 1 ManagedBean HomeBean that manage the home
- 1 ManagedBean HeaderBean that manage the header
- 2 object HomeScreen1.java and HomeScreen2.java that allows me to valued data from each screen
- 2 services HomeScreen1Loader.java and HomeScreen2Loader.java that manage loading of each type of screen
- 1 template home.xhtml
- 2 fichier home1.xhtml et home2.xhtml
When I log in to the application, I get the good page corresponding (Element type 1 => home page 1). But when I select a type 2 item, the actionListener methode is execute, ManagedBean's data was updated (for type 2 screen) , but the page does not updated. What do you do ?
HeaderBean.java :
package com.omb.view;
import java.io.Serializable;
import java.util.List;
import javax.faces.event.ValueChangeEvent;
import javax.faces.model.SelectItem;
[Code] .....
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Mar 16, 2015
I'm making a game of checkers for my A2 Computing coursework which is due in within a week. I have completely finished the game, and only thing I have left to do is connect the two JPanels together via a CardLayout that I have made. However I am unsure how to do so
Here is the code from my CardLayout:
import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JButton;
[Code] ....
I have kept the code I am displaying to a minimal, hence I have removed all the action listeners for my buttons, anyway the problem I have is that, I would like it so that when the user clicks on the 'Multiplayer' button which is the array button ourButtons[1], it will then transition into my main game screen so that the user can then play a game of checkers.
Here is the main important GUI from my CheckerBoard class:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CheckerBoard extends JPanel implements ActionListener, MouseListener {
// Main routine that opens an Applet that shows a CheckerBoard
public static void main(String[] args) {
new CLayout();
[Code] ....
Once again kept to a minimal.
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Jan 26, 2015
I have this code:
int[] X = new int[5];//X array declaration of 5 , might go higher to 10000~
for(int x_position=0;x_position<5;x_position++){//Starting X values
X[x_position]=1;
}
for(int x_value=1;x_value<=9;x_value++){
System.out.println();
for(int x_position=0;x_position<5;x_position++){
X[x_position]=x_value;
System.out.print("X["+x_position+"] = "+x_value+"; ");
[code]....
Each X[x_position] after a single cycle will be then put into char[x][y] at needed coordinates. x and y may have values from 9 to 4096;
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Jul 17, 2014
Whether it is possible to force the installation of JRE when trying to open JNLP file. It is quite often case when users try to run JWS application without JRE installed. The best option would be to force the installation or at least display some message with instructions. Perhaps there are different ways to handle this problem.
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Oct 24, 2014
I'm a beginner fiddling around classes in Java. I noticed on this particular code, Eclipse will give me an error and suggest I put the static keyword in front of the variable.
public class test {
//the following line is where Eclipse puts the static keyword
static FileAccess hello = new FileAccess("D:" + '\', ".mp3");
public static void main(String[] args) {
for (int i = 0; i < hello.getTotalNumberOfFiles(); i++) {
[Code] .....
The FileAccess class is just a class I made while trying to retrieve filenames from my hard drive.
As far as I can tell, it works correctly after I put the static keyword there. I just want to know why it is required in this particular code, considering it didn't need to do that when I made a simpler class while I was getting my feet wet at creating classes in Java.
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Jun 3, 2015
I wanna run apps using an outdated version of Java and not have it stop me for security certificates.
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May 20, 2014
In other words in a table view with several editable columns, when a new row is added this row does not contain any column cells yet. Cells are added on demand once a column gains focus and starts editing. Is this the case? Is there any way to force the row to construct all cells eagerly?
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Mar 13, 2015
I noticed that when building a UI programmatically in several steps the width/height of the Pane I use for layout is -1/-1. I read that this is the case until the actual rendering happens. Is there a way to force that earlier? Suppose I wanted to size other UI components (which are not visible initially) according to the size of another pane. How do I do that? Binding the properties does not do the job in the case that those components are not necessarily visible at the same time. Is there a trick to achieve that?
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Oct 27, 2014
We've implemented the Whitelist and there's an application I need to use the Force attribute with, however, I'm unable to get this to work. As I read it, this code says use Java 1.6_24 for Example.com and any other applications are blocked from running. There are three versions of Java installed - 1.6_24, 1.7_65 & 1.8_25. The Java console shows 1.8_25 being called.
Here's the ruleset.
<ruleset version="1.1+"> <rule> <id location=https://example.com />
<action permission="run" version="1.6_24" force="true" /> </rule>
<rule> <id /> <action permission="block">
<message> This application is blocked due to Java restrictions, please contact the Service Desk for assistance.</message> </action> </rule></ruleset>
I also tried
<action force="true" permission="run" version="1.6.0_24" />
and also
<action force="true" version="1.6.0_24" permission="run" />.
The Java console is still showing version 1.8.0_25.
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Apr 14, 2015
I have made a simple h2 db viewer using jdbc and in eclipse it has a horizontal scrollbar so it works and displays correctly.
When I run the jar from cmd it works as it should but the results all go onto new lines so all formatting is lost and it looks.. ugly...
somehow make it so the console has a forced horizontal scrollbar but dunno how.
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Jun 25, 2014
Setting VM argument prism.verbose=true gives some insight of what happens.
There i see an old openGL version is used on OSX 10.9:
Graphics Vendor: ATI Technologies Inc.
Renderer: AMD Radeon HD 6630M OpenGL Engine
Version: 2.1 ATI-1.22.28
How do i force prism to a newer openGL version?
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Feb 27, 2015
I have 3 issues -
1-I'd to be able to refresh my page. currently I've set it so it doesn't refresh so I can draw but I want to introduce timed refreshment for example after 30 seconds of drawing the page goes blank and starts again.
2- I'd like to introduce a maximum amount you can draw per each refreshment. E.g the page reloads every 30 seconds and each 30 seconds you have 100 ellipses you can draw, when it refreshes you have a new 100 ellipses
My code below...
PImage bg;
int cNum = 1;
void setup() {
// Images must be in the "data" directory to load correctly
size(1200, 800);
bg = loadImage("User_T_1.jpg");
[code]...
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Mar 18, 2015
I have tried to get my JPanel to refresh and show a new combo box, labels and fields but I can't get it working with revalidate or repaint.
package Part4;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class AddressGUI extends JFrame implements ActionListener{
Address address = new Address();
[code]...
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Feb 5, 2014
I want to know the how to refresh the jsf application after doing something like Faceboook... i.e if i comment or post in my application so automatically the whole application have refresh.
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Apr 21, 2014
I created this JTextArea with some text in it. And it also has few variables.
Sth like that:
Java Code:
protected JTextArea textLog;
textLog = new JTextArea();
textLog.append("test: "+variable); mh_sh_highlight_all('java');
And now while I use button that changes variable value, in textLog variable still shows old value.
Tried to use remove(textLog); textLog.validate(); etc(remove, validate, revalidate, add, repaint), because it works fine with JButtons, but still, in textLog variable gives me old value.
like "you should use somethingvalidate(); while clickin button and it will works", not some shit for 3032 lines with 99% of code that I don't need to do what I want.
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Feb 10, 2014
I want to use the bit of code below to re-write the page to tell the user of a successful registration and then redirect them to another page. My problem is that I can't figure out how to get the path right for the login page. As can see, my first choice was to have the use click to the login page and when I use href it works fine.
I tried to use the entire file page starting at C and that didn't work. I also tried
${pageContext.request.contextPath}/Login
which is what I had to do for the action in the form for the login servlet page.
My question is what is the URL I need to use. By the way, if I jut put in google's URL, or any other for that matter, it works fine.
out.println(docType +
"<html>
" +
"<head><title>" + "Already Registered" + "</title>" +
"<meta http-equiv='refresh' content='3; URL='Login.jsp'></head>
[Code] .....
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Nov 6, 2014
If I am refreshing JSP page the old data is remaining as it is with new data.what can be done to remove previous data from that JSP?
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Jul 11, 2014
I have designed a form using JGoodies. In my From I have a Jtable.
FormLayout layout = new FormLayout(…) ;
CellConstraints cc = new CellConstraints() ;
PanelBuilder builder = new PanelBuilder(layout);
String[] columnNames = {"name","code"};
Object[][] data = null ;
[Code] ....
When the table's content changes, I have to refresh the screen to show the new table. How can I do this?
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May 17, 2014
I have an fxml page with a TabPane element with two tabs tabOne and tabTwo:
<BorderPane fx:controller="lc.controllers.ControllerOne" xmlns:fx="http://javafx.com/fxml">
<center>
<TabPane fx:id="tabPane">
<tabs>
<Tab fx:id="tabOne" closable="false">
<text >ONE</text>
[Code] ....
As you can see above tabTwo has a separate fxml included within.
Now some of the tab content in tabTwo needs to be refreshed based on the actions performed in tabOne. But however initialize method of included tab action class is called only once for the first time when the fxml page loads. How the initialize method of tabActions.fxml can be forced to execute every time the tab loads?
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Jan 16, 2015
find out why when I access the site for the first time, it loads a blank white page, but when I reload it, it forwards me to the home page as it should.
I doubt that the reason is nothing else than the code below (in the doGet method):
String email = (String) request.getSession().getAttribute("email");
String cookieValue = null;
System.out.println(email);
// first, checking the session
if (email != null) {
request.getRequestDispatcher("/homelogged").forward(request, response);
[code].....
I suppose it's something with the session... because after I reload it, it works. But! When I close the browser and start all over again, the main page is white-blank again... And after a reload it works.
The exception:
SEVERE: Servlet.service() for servlet [first] in context with path [/MYSITE] threw exception
java.lang.NullPointerException
at controller.Controller.doGet(Controller.java:42)
Line 42 of the Controller is "for (int i = 0; i < cookies.length; i++) {"
P.S. I cleared all the cookies, but the problem persists.Also, the first it loads, it prints in console:
"null
been here 4!"
But, if I reload further, it prints:
"null
been here 4!
been here 2!
No Email! Literally, doGet!"
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Jun 5, 2014
I have JFrame and when I click a button which is in frame JDialog is opened. Now,how can I refresh JFrame when close JDoalog?
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Mar 15, 2015
I am able to update the array holding the items but I don't know how to refresh the JList to include all the new items in the array.
Code for GUI:
import java.awt.ScrollPane;
import java.awt.event.ActionListener;
import javax.swing.*;
public class ListView extends JFrame{
HobbyList stuff = new HobbyList();
[Code] .....
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Apr 13, 2015
I am trying to plot a graph and graph should display when JButton is clicked. To create data set, I am taking some value through JTextField and then created a chart and plotted it. I've got a problems: the chart doesn't refresh when I change the text field value.URL....Here is my program:
public class Test2 extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private ChartPanel chartPanel;
private JTextField textField_1;
double a;
[code]....
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Feb 8, 2014
I'm trying to setup a function that takes input from a user and prints it onto a label and updates it per entry. The updating would occur through removing the old label and then adding a label with the updated value. The text would be center-aligned. While I'm able to get the label to print the current value of "entry", it does so without removing the label with the old value.
I tried reversing the add(label) and remove(label) to see if there is a syntax error with remove, and I determined from the label not being there at all that remove was called correctly. I have kept the loop infinite for debugging purposes to work with various test cases as they come to me.
Java Code:
import acm.graphics.*;
import acm.program.*;
public class testCanvas extends ConsoleProgram {
public void run() {
GCanvas canvas = new GCanvas();
add(canvas);
String entry ="";
[Code] .....
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Apr 6, 2015
I want to add a button who refresh the tree the problem that i have not "DefaultTreeModel" in my class to do this ((DefaultTreeModel) jTree1.getModel()).reload(); and i try this jtree.updateUI(); but not work ....
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Sep 25, 2012
How to force browser to open/save/save as the file from server instead of browser cache.
I am creating a csv file through a pl/sql procedure and forwarding the link to user once user clicks on link he downloads the file, however if the same thing is repeated then browser returns the old cached file instead of new file generated on server.
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