Program Exits Even When Click No Or X Button On Upper Corner
Mar 31, 2015
Here is the snippet of code that is causing the problem
Java Code:
addWindowListener(new WindowAdapter()
{
@Override
public void windowClosing(WindowEvent e)
{
int confirm = JOptionPane.showOptionDialog(
VendorMachineSimulation.this,
"Are You Sure you want to close this application?",
"Exit Confirmation", JOptionPane.YES_NO_OPTION,
[Code] ....
My question is why does the snippet code at the top works in the class processAction but when I add to the main class that extends JFrame, it exits regardless if I click yes, no or the x button.
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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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May 4, 2015
i have two classes, one is a GUI program and the other is an index writer program. the GUI program uses a j file chooser to select directories and display them in the text fields.the index writer is supposed to take the directories in the text fields and read from one(document location) and write into the other(index location) i want to run the index writer program by the click of a button(indexfbuton) in the gui programi have been able to get the directories to display in the text field but when i click the button to run the index writer class, nothing happens..here is the GUI class
package upload1;
import upload1.IndexFiles;
import java .awt.*;
import java.awt.event.*;
[code]....
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Apr 8, 2013
I have been trying to develop a small desktop application. I have JFrame and a button. When I click the button, the app is supposed to save record to database. But it is impossible to click the botton twice. To explain in detail: when a user fill in the form and click the button, the app will warn the user if he/she haven't fill in the appropriate JTextFields. After warning it is impossible to click the button again. I mean after first click, the button is busy and impossible to click.
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.DriverManager;
[Code] ....
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Apr 3, 2014
Question: How can I add an Item to a combobox when I click a button?
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Apr 22, 2014
I am working on web project in java. i have taken buttons in column..and projects is my column..when i click on a button in first row ,i want fetch all information about selected project....so how can i do that?
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May 31, 2014
I have a textbox called "answer" and 10 different buttons on a form. Now what i would like to do is click the button and have the Button Text in the textbox with the already present text.
So if i click the button 1 it should automatically recognize the clicked button and have its text copied to textbox.
I know the '.get' method but lets say i have 100 buttons so i cant repeat it for every single one of them.
answer.setText(answer.getText() + ___________________);
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Jul 15, 2015
I'm using java FX-8 and JDK 1.8,Netbeans 8.0.2.I want to open pdf on button click in my JavaFXML Application.I have triued pdf viewer plugins and iText but it doesn;t work.I have to pass variable value in pdf too.
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Apr 22, 2014
i want value of button on button click..and value should be display on next page?? how to do that???
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Feb 22, 2015
I have buttons created on a frame and then I register the listener from a controller in a controller-view relationship.
When I click the button on the face, the action never executes for some reason. I thought maybe there was a problem registering the listener but I can call the buttons doclick() method and it executes as it should. Perhaps I'm overlooking something really obvious here but I can't see it.
btnEight = new JButton( "8" );
// btnEight.addActionListener( controller );
btnEight.setBounds( 212, 90, 41, 23 );
frame.getContentPane().add( btnEight );
and then I add the listener
public void setController( ActionListener theController ) {
Component[] components = frame.getContentPane().getComponents();
for ( Component component : components ) {
if ( component instanceof JButton ) {
JButton button = ( JButton ) component;
button.addActionListener( theController );
}
}
again, when i click the button nothing happens. but if i add the following code
btnEight.doclick()
the actionPerformed invokes in theController as I intended.
You can see the entire project on GitHub so you can see the full context. The controller class contains the listener and the view class contains the buttons.
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Oct 21, 2014
I've recently decided to learn Java on my own using internet material such as forums, blogs and you tube. Ive never programed before but through some research I concluded that Java is going to be on the mid spectrum of difficulty as far as verbiage goes. I ma in no way implying that Java is easy but instead closer to spoken English that c++ if my research is correct. So here is my attempt at a basic program where I click a button and it will make an image appear. Not sure where Im falling short
package clicktoimage;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Clicktoimage extends JFrame {
private JLabel label;
private ImageIcon image;
[Code]...
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Mar 17, 2015
So this is my package structure:
Projectsrccom.mypackageMyClass.java
resourcesicon.pngmyexe.exe
Right now I have to run the exe like this : - It has hardcoded the path of the exe :command = "cmd /c start /b cmd.exe /K "cd " + outputFolderPath
+ " && C:myfoldermyexe.exe " + "param1=value1 param2=value2 " ;
Process p = Runtime.getRuntime().exec(command); This works fine. But, When I package it as a jar I want to give a relative path to my resources folder. How can I make this happen?
I tried:File f = new File("resources/myexe.exe");
String path = f.getAbsolutePath();
but this "path" did not work.
Another way would be to extract the exe to a local path on the server, but there is a possibility that I could face permission issues.
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Jun 19, 2014
I am trying to switch panel on click of a button but nothing is happening.
package game.uno.swings;
import java.awt.EventQueue;
import javax.swing.JFrame;
import java.awt.CardLayout;
import javax.swing.JPanel;
[Code] ....
I read the oracle doc example, i understand the concept but still nothing is happening on show,first ,next method of CardLayout in ActionPerformed. Code is highlighted where I am facing problem.
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Jun 20, 2014
Am trying to add buttons dynamically in a new Jpanel on click of a button. i am getting new Jpanel but not able to see the buttons.
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if((!(playerFirst.getText().equalsIgnoreCase("") ||playerSecond.getText().equalsIgnoreCase(""))&&(!playerFirst.getText().equalsIgnoreCase(playerSecond.getText())) ) ){
//unoGameController.playGame(playerFirst.getText(), playerSecond.getText());
CardLayout cardLayout=(CardLayout)(frmUno.getContentPane().getLayout());
[Code]...
prepareHandsForGuiCode is
public UNODeckMain prepareHandsForGui(UNODeckMain unoDeckMain){
JButton[] btnArr =new JButton[50];
for(int i=0;i<50;i++){
btnArr[i]=new JButton("hi");
panel_player1.add(btnArr[i]);
}return unoDeckMain; }
Am i skipping something ?
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Jun 22, 2014
I want to switch panel on click of a button and code for switching panels is written in update method (Which gets called from notify observer of another class as part of Observer pattern.
unoGameController.playGame(playerFirst.getText(), playerSecond.getText());
playGame in Panel 1 of class 1 calls another class (class 2)and data comes in update method of class 1(Observer interface).
Now for switching panels code is in gameControllerDataProcessing . I am not able to switch the panels when this functionality runs.
However if i dont call the unoGameController.playGame(playerFirst.getText(), playerSecond.getText() and directly call the update method or directly write the switching panel code . then it works fine.
btnNewButton_1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if((!(playerFirst.getText().equalsIgnoreCase("") ||playerSecond.getText().equalsIgnoreCase(""))&&(!playerFirst.getText().equalsIgnoreCase(playerSecond.getText())) ) ){
unoGameController.playGame(playerFirst.getText(), playerSecond.getText());
[Code] .....
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Apr 30, 2014
In my application, some text should be added to a text area in response to a click on a button. So as an action listener to this class, I made another class which implements the ActionListener.
Inside this class, I have obtained the text which I want to be added to the text area. But the text area is in another class and for the action listener I wrote another class.
Now the problem is that when I try to add the text to the text area by the following line of code, it says that textArea_1 can not be resolved or is not a field.
Java Code:
ParentPanel.textArea_1.setText("Name:"+ncrarray[0]+"
Code:"+ncrarray[1]+"
Rank:"+ncrarray[2]); mh_sh_highlight_all('java'); What should I do about it?
Even if I try to write a method like the following in the class in which the text area is created, it gives the same error.
Java Code:
public void printTextArea(String text) {
textArea_1.setText(text);
} mh_sh_highlight_all('java');
The text area is present inside a constructor of the class. I am writing the method outside the constructor (ofcourse).
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May 22, 2014
My JSP page looks like
<%@ page language="java" %>
<%@ page import="listFilesFromDir.getFilesInterface" %>
<%@ page import="java.util.ArrayList" %>
[Code].....
The problem is that after loading the dropdown, I am selecting values from them and clicking the button to submit the form. But it does not seem to work. I tried putting an alert inside the function call too alert("entered function"); but no good.
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Dec 17, 2014
this is my code
private void showresultsActionPerformed(java.awt.event.ActionEv ent evt) {
Object dbs=db.getSelectedItem();
Object colls=coll.getSelectedItem();
String distances=distance.getText();
String skillss=skills.getText();
DefaultTableModel tb=new DefaultTableModel();
MongoClient m = null;
[Code]...
i have added the columns but how could i show up the change??
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Sep 19, 2014
I have a button that bolds all the text in the main div. I am trying to get it to change back to the normal text after it has been bolded. But I cant figure it out. It bolds the text and changes button value when button value is "Bold", but when button value "UnBold" and user clicks button the text does not unbold. Here is my function.
function boldDiv()
{
var button = document.getElementById("firstbtn");
var oldHtml = document.getElementById('main').innerHTML;
[Code]....
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Mar 22, 2014
i want to know how to data show in text box according click edit button.this is jsp file.
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@page import="java.sql.*,java.util.*"%>
<%!ResultSet rs = null;%>
[code]....
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Jun 20, 2014
I want to develop simple example in which I can select TreeView Nodes with Buttons(in some cases clicking on image and etc). I created this simple sample:
<pre style="" _modifiedtitle="true" jivemacrouid="_14032555963537721" ___default_attr="java" jivemacro="code" class="jive_text_macro jive_macro_code jivemacrouid_14032555963537721">
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.geometry.Insets;
[Code] ....
The question is how I can select tree Node when I click on a button. For example when I click on a button Item A1 I want to select tree idem Item A1.
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Mar 8, 2015
I'm trying to do a method which will draw a triangle and then the method will be called when we click on a specific button. How I must proceed.
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May 29, 2014
I have a problem with setting multiple splitpane divider positions. In my application there are multiple splitpanes (one inheriting the other). When resizing the scene (e.g. by double-click or mouse drag) the divider position default values (as set in the FXML) are not taken into account and the application therefore incorrectly displays the divider positions. For example, one pane that should be only 100px wide now spans over the half of the application. Its not very nice because one has to readjust the divider positions manually each time after resizing the window. At the same time, I dont want to set maximum values to keep the layout flexible.
I tried to solve this by adjusting the divider positions at a button click event (..setOnAction(new EventHandler<ActionEvent>()...) but when I click it only one splitpane at a time is adjusted. As I have 3 splitpanes I have to click the button 3 times to get all the adjustments. I am not sure whether this is because the click event is consumed after the first adjustment and subsequent repaint of the scene?
A sample code of what I have now would look like this:
adjustButton.setOnAction(new EventHandler<ActionEvent>(){
public void handle(ActionEvent e){
pane1.setDividerPositions(0.9);
pane2.setDividerPositions(0.8);
pane3.setDividerPositions(0,075);
}
});
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Nov 7, 2014
i would like to create a menu like below where if i clicked on "DRAW", a frame to draw will appear and when i clicked on animate, I can animate an object drawn. I tried on using JButton, but I donno how to customize the design n so I would like to know is there other ways so tat my menu will appear as below?
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Dec 5, 2014
I have a servlet which sends HTML5 server sent events to the jsp client. The servlet sends data to the client every one second. The jsp client instantiates a new eventsource and recieves the data. When the window is about to close, the jsp client closes eventsource at the "beforeunload" event (shown in the code below).
However, I have noticed that even after the client closes the eventsource and the browser exits, the server continues sending data. As far as the documentation on eventsource goes, using eventsource.close() is enough to stop client from reconnecting to the server and the server will stop sending any further push notifications.
Why the server does not stop sending push notifications even after eventsource.close() and the browser exit? Do I write any other piece of code to notify the server to stop sending data once client exits?
Pasted below are the servlet (server ) code and the client code.
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
[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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