Swing/AWT/SWT :: Listener Called Multiple Times On Single Click?

Jan 30, 2015

I have the following listener on a tableset of names:

ListSelectionListener singleListener=new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
int row=e.getFirstIndex();
if (row==previousRow) {
row=-1;

[Code] .....

The println shows that getValueIsAdjusting is called 4 times when I click a single selection from the list. Is this normal behavior? If so how do I determine which call to really use. If not, where can I look to see why it is being called 4 times on a single click?

View Replies


ADVERTISEMENT

Calling Single Class Multiple Times

Apr 14, 2014

how we can call one class in multiple programs to reduce code redundancy

View Replies View Related

Swing/AWT/SWT :: Action Listener Does Not Work With Button Click

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.

View Replies View Related

Swing/AWT/SWT :: JTable Using CTRL / Click For Multiple Row Selection

Jul 6, 2014

I know how to do single selection, but I would like to do multiple row selection only by using CTRL + click without the option of dragging the mouse to select rows. So the user would have to hit ctrl + click each time to highlight additional rows.

View Replies View Related

JSP :: OnClick Function Not Getting Called On Click Of Button On Page

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.

View Replies View Related

JSF :: Multiple Tool Tips To Be Displayed On Same Page When Click Multiple Image Links

Dec 8, 2014

I have i am trying to implement tooltip through javascript, like when we click on an image link tooltip should be displayed and it should have close button/ close image to close that tooltip.like the same way i will have multiple images on page, when ever i click on the images all tooltips should be displayed on the page when ever i want to close that then only it should close through close button on tooltip.can we do it through java script or will go for jquery.

View Replies View Related

Create A Class Called Dice To Represent SINGLE Cube

Apr 15, 2014

I need to work on this "Dice" program. I've done it twice already. I've also been pouring over examples on here and elsewhere online, but none of them exactly match what I'm doing, as they all say "Pair of Dice".Mine says: "Create a class called Dice to represent a SINGLE cube". It should have a method called roll() that randomly selects a number from 1-6 for the value of the dice."

It has to use java.util.random, not math.java, and it has to have numberShowing:int, roll():int, and main() all in it.The last part reads "Create a test main method for the Dice class that creates a dice and rolls it many times. Can you keep track of how many times a number comes up? Describe how or implement it in the program." I have started at this computer for hours, and read as much info as I can.

View Replies View Related

Android Game - Record A Single Click

Nov 7, 2014

I'm making a game to teach myself programming java so I can start making android. I have this game I'm making where there will be objects(so far its asteroids) will be falling with a progressive velocity (they will move faster as time goes on). The object is the click on the objects before they hit the bottom. It's still early meaning not all the parts I want to implement are there but it works the way I want it to so far besides my click function.

I'm using the Mouse.isButtonDown(0) to record left click but It lets me hold it down and hover over them instead of clicking on each one. Here is a snippet of the part of the code im talking about :

I uploaded a .jar and a exe file so you can see what I mean
[URL] .... -jar
[URL] .... -exe

public void update(GameContainer gc, int d) throws SlickException
{
posX = Mouse.getX();
posY = (Mouse.getY()-height)*-1;
timePassed += d;
deltaTime= deltaTime();

[Code] .....

View Replies View Related

Involving Action Listener And If Statements For Multiple Conditions

Jan 25, 2014

I'm writing a program for exemplary reasons that is basically two text fields, one for a username, and one for a password. the way its written is asking testing for what is inputed into the text fields if its equal to a "valid" username and password. if it is, a variable representing that is set equal to 1. there is another if statement asking if the actionevent.getsource is equal to the name of the textfield. the issue I had was that when I ran the program, it seemed to only test for the first condition, so I got the same result from the program regardless of what I input into the text field.

The Code

Main class:
import javax.swing.JFrame;
public class Alpha {
public static void main(String args[]){
log l = new log();
l.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
l.setSize(360, 240);
l.setVisible(true);

[Code] .....

The code originaly was written "eve.getSource() ==" but I changed that to see if it would resolve the issue with no avail. With it written this way, the program does nothing upon entering the text and pressing enter. Currently, there is nothing written to change the variable "val" to 1 to show that the username is valid. I did this because I can't figure out how I would go about doing this.

View Replies View Related

How To Make A Program Run Multiple Times

May 18, 2014

I have made a basic math game that asks you questions and tells you if you have answered them correctly or incorrectly. The game runs great! The thing is that it asks you a question one time and after you answer you have to run the program again. I want to get the program to ask ten questions. After that I want to figure out a scoring system for it but the first step is to get it to ask my ten questions. Here is my code.

package pkgnew;
import java.util.Scanner;
import java.util.Random;
public class New {
public static void main(String args[]) {

[Code] .....

View Replies View Related

If Condition Matches Multiple Times

Feb 16, 2015

I'm working on a problem that requires me to generator all possible word combinations based on a 7-digit number as input. Many of the generated "words" will be nonsense, but some with be "NEWCARS", "TAKEOUT", etc... This problem mimics the phone number a company would use to support clients remember that number.

I completed the exercise, but I would like to explore more elegant solutions. Specifically, I've used an IF-THEN-ELSE condition inside of a FOR loop. Here is my working code:

package com.johnny_v.exercises.telephone;
public class WordGenerator {
public static void main(String[] args) {
int numOfTimes = 2187;
String two = "ABC";
String three = "DEF";
String four = "GHI";

[code].....

I receive StringIndexOutOfBoundsException exceptions. I it's because multiple conditions are matched. For example, the indexSix is reset to 0 when row is a multiple of 9. Because row is also a multiple of 3, this condition also executes and then increments "indexSix".

View Replies View Related

String Characters Display First Three Multiple Times

Sep 26, 2014

I am trying below challenge to display first three characters three times if the size of the string is greater than 3.

Say if i send hello i should get helhelhel

if i send xyz i should get xyzxyzxyz

I wrote as below

public String front3(String str) {
if(str.length()==3){
return str+str+str;
}
if(str.length()>3){
String str2=new String(new char[]{str.charAt(0),str.charAt(1),str.charAt(2)});
return str2;
}
}

I am getting error as below

Error:public String front3(String str) {
^^^^^^^^^^^^^^^^^^
This method must return a result of type String

Possible problem: the if-statement structure may theoretically allow a run to reach the end of the method without calling return. Consider adding a last line in the method return some_value; so a value is always returned.

View Replies View Related

Multiple Frames In Single Frame

Apr 3, 2014

i want to know how i can add more than one frame in a single frame means main window or frame will be constant and only components will be chang or vary as in a software or game .

View Replies View Related

Multiple Runnable In A Single Class

Aug 1, 2014

I want to have two threads running in my class, one will be downloading info from a website then putting the thread to sleep for a little bit, then repeating. The other will be sending information to a website then putting the thread to sleep for a little bit, then repeating. Is it possible to do this in my main class? I already have one thread using run() for downloading the info and sleeping can i make another?

View Replies View Related

JSP :: Using Multiple Queries In Single Page

Jun 6, 2010

This is my code-

<%@ page contentType="text/html; charset=iso-8859-1" language="java" import="java.sql.*" errorPage="" %>
<body>
<center>
<form>
<table border="0">
<tr> <td> bulbtype </td>
<td> <input type="text" name="bulbtype"></td> </tr>

[Code] ....

Im getting this error:

An error occurred at line: 24 in the jsp file: /bulb1.jsp
bulbwatts cannot be resolved
21: Statement stmt=conn.createStatement();
22: Statement st=conn.createStatement();
23: ResultSet rs1 = stmt.executeQuery("select * from bulb where type="+bulbtype);
24: ResultSet rs2 = st.executeQuery("select * from bulb where watts="+bulbwatts);
25: %>
26: <%while(rs1.next()){%>
27: <tr> <td>name1</td>

View Replies View Related

Java Statement Getting Executed Multiple Times Outside For / While Loop

Aug 14, 2014

I am trying to execute the following method: This method takes a delivery date as one of the arguments and a list of calendar holidays as another argument. If the delivery date is present in the holiday list, I will add 1 day more to the delivery date and check again if the new delivery date is part of holiday list.

Issue is that the last 3 statements before 'return' are getting executed multiple times though there is no for or while loop. Why they are getting invoked multiple times.

@SuppressWarnings("rawtypes")
private String fetchNextWorkingDay(String sDeliveryDate, Element eleCalendarDayExceptions, SimpleDateFormat sdf, Format formatter) throws Exception {
System.out.println("");
System.out.println("Inside fetchNextWorkingDay method");
System.out.println("Del Date to compare is "+sDeliveryDate);
Boolean isDateSet = true;

[Code] .....

View Replies View Related

Unable To Set Text To A Label Multiple Times In Same Program

Aug 5, 2014

I am developing a java swing application. In which i want to set a different text to a label in same program ( in single JFrame). I dont want to use another JFrame instead i want to use setText method of java and set different text to a label at different intervals of time according to my need.

I am using java 1.7 sdk and pupy linux as OS. Below i am giving source code.

What i am doing is in constructor of class i am setting an image to JFrame and setting text "Welcom...". And when user clicks on this JFrame a method is called which will clear the text "Welcome.." and sets new text to another label "Enter...." and from there another method is called and it clears label "Enter..." and sets a text "Plzz wait..". and yet there are more methods, i havnt provided here.

But what is happening is it shows welcome text and then directly Plzz wait..

Its not showing text Enter... because control is finished after last method gets executed.

My concern is i want to show all the setText (my messages) in a sequence. Without using another JFrame. There is no any user input other than user will click on first welcome page.

public class BackgroundFrame extends javax.swing.JFrame {

JLabel setTitle1;
JLabel setTitle2;
JLabel setTitle3;
JLabel setTitle4;

[Code] ....

View Replies View Related

JSF :: Data Table Displaying Same Item Multiple Times

Nov 25, 2014

I currently have a datatable on the bookingList.xhtml which is supposed to list all bookings made, if first booking petName is spot it displays the booking details perfect but if another booking is made (for example one with petName fluffy) then it displays 2 lines with fluffys details and spots details are not displayed, it carries on that if a third booking is made then the 3rd bookings details are displayed 3 times and neither spot or fluffys booking details are displayed,

bookingList.xhtml code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.org/ui">

[code]....

View Replies View Related

How To Include Multiple UUIDs In Single Variable

Dec 31, 2014

My application depends on eight default user roles (or account types). They can be renamed or disabled, but should not be deleted. I want to protect them from deletion using their uuid value from the db. How can I pass their uuids into a single variable so I can use that single variable in my conditional statement? If I should use an array, any example of how I might do this?

View Replies View Related

Multiple Phone Numbers In Single Array

Jul 9, 2014

This particular program is supposed to prompt the user to input either an uppercase or lowercase Y to process a phone number, they are then prompted to enter the character representation of a phone number (like CALL HOME would be 225-5466), this repeats until the user enters something other than the letter Y. All of the words entered are to be stored into a single array. The program is then to convert these words in the array to actual phone numbers. Here is what I have so far.

import java.util.*;
public class Program1 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String begin;
int phoneNumber = number.convertNum();

[Code] ....

I realize that the second method doesn't have anything to return yet, I just wanted to put that in there while I was doing things that I actually know how to do ha. The convertNum() method is supposed to be the method with which the array of characters is converted to phone numbers.

I'm still trying to think my way through this. I would think it'd be easier to store the inputs from the user as individual letters rather than words for the sake of converting to phone numbers.

Also, we are only supposed to recognize the first 7 letters of each word that is entered, like the CALL HOME example, there are 8 letters but it's still a seven digit phone number, so I'm not sure how that would work.

Also, when printing the phone numbers after they've been converted, we're supposed to print the hyphen after the third number, I have no clue how that would be done from an array.

View Replies View Related

How To Do Multiple Inheritance Without Single Interface In Java

Apr 3, 2014

how to do multiple inheritance without sing interface in java?

View Replies View Related

Calling Method Several Times And Trying To Write Multiple Records To A File?

Oct 27, 2014

So I am calling this method several times and trying to write multiple records to a file. Problem is that every time I call the method it overwrites the file from before and doesn't add it.

public void fileWriterMethod() throws IOException{
RandomAccessFile raf = new RandomAccessFile(filename, "rw");
raf.writeInt(id);
raf.writeInt(existingMileage);
raf.writeInt(gasCost);
raf.writeInt(ndays);
raf.writeInt(rate);
raf.writeInt(totalCharge);
raf.writeInt(discount);
raf.writeInt(tax);
raf.writeInt(netCharge);
raf.writeInt(returnMileage);
raf.writeBytes(carName + "
");
//Closing the stream
raf.close();
}

View Replies View Related

JavaFX 2.0 :: Cannot Set Divider Positions In Multiple Splitpanes At One Button Click

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);
      }
});

View Replies View Related

JSP :: Drag And Drop Images (single Or Multiple) To Upload

May 12, 2014

I am working on a piece of a code - drag multiple files from local window and drop it into a DIV in my application. And then I want to bind the file into Struts which is where I am having issues right now, snippet below :

<form id="upload" action="http://localhost:8080/XXX/xxx.page" method="POST" enctype="multipart/form-data">
<fieldset>
<legend>HTML File Upload</legend>
<input type="hidden" id="MAX_FILE_SIZE" name="MAX_FILE_SIZE" value="300000" />

[Code] ...

Is it an issue when I give the inputType name as userImage?

View Replies View Related

Storing Multiple Phone Numbers Into Single Array

Jul 9, 2014

This particular program is supposed to prompt the user to input either an uppercase or lowercase Y to process a phone number, they are then prompted to enter the character representation of a phone number (like CALL HOME would be 225-5466), this repeats until the user enters something other than the letter Y. All of the words entered are to be stored into a single array. The program is then to convert these words in the array to actual phone numbers.

import java.util.*;
public class Program1 {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
String begin;
int phoneNumber = number.convertNum();
System.out.println("Please enter an uppercase or lowercase Y when you are ready to enter a telephone number: ");

[code]....

I realize that the second method doesn't have anything to return yet, I just wanted to put that in there while I was doing things that I actually know how to do ha. The convertNum() method is supposed to be the method with which the array of characters is converted to phone numbers.

would think it'd be easier to store the inputs from the user as individual letters rather than words for the sake of converting to phone numbers.

Also, we are only supposed to recognize the first 7 letters of each word that is entered, like the CALL HOME example, there are 8 letters but it's still a seven digit phone number, so I'm not sure how that would work.Also, when printing the phone numbers after they've been converted, we're supposed to print the hyphen after the third number, I have no clue how that would be done from an array.

View Replies View Related

Adding Multiple Components To 1 Single Frame / Panel

Apr 15, 2014

Title says it all i want to get these two components:

Java Code:

package TestVersion;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;

import javax.swing.JPanel;

public class GameWorld extends JPanel {

private int charX = 225;
private int charY = 225;
private int charDiameter = 25;

[code]...

View Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved