Opening A New Window In GUI And Making Another Event Work Together
Oct 17, 2014
My program has just "File" and "Help" in the menubar when "File" is clicked, there is an exit item that closes when clicked.i want the "About" item in "Help" to open a new window, what's wrong with my code?here is it:
import javax.swing.JFrame;
import javax.swing.JDialog;
import javax.swing.JPanel;
import java.awt.FlowLayout;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;
import javax.swing.JLabel;
[code]....
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Oct 14, 2014
We are creating a quiz as a school program, we are using netbeans and we have a little problem. The problem is that our JButton opens a new JFrame in a new window and we want it to stay in the same window. The code we are using is:
private void PlayButtonActionPerformed(java.awt.event.ActionEve nt evt) {
Question1 s = new Question1 ();
s.setVisible(true);
}
Is it possible to make it stay in the same window?
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Oct 20, 2014
When running a Java GUI is it possible to stop black system window from opening as we'll
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May 20, 2014
I have a WindowClosing(WindowEvent e) method, but when I close my window it isn't doing anything inside the method. I am making a launcher and I want to make it so when the actual game window is closed it makes the launcher window visible again.
Java Code: public void windowClosing(WindowEvent e) {
this.jf.setVisible(true);
} mh_sh_highlight_all('java');
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Oct 9, 2014
How would i go about making this NOT resizable?
If I do try to do ChatFrame.setResizable(false); it gives me this error:
Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problem:
Cannot make a static reference to the non-static method setResizable(boolean) from the type Frame
at com.ui.ChatFrame.<init>(ChatFrame.java:37)
at com.ui.ChatFrame$5.run(ChatFrame.java:403)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
[Code] ....
Here is the code:
package com.ui;
import com.socket.History;
import com.socket.Message;
import com.socket.SocketClient;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
[Code] ....
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Nov 9, 2014
I'm working on a homeowork assignment here URL... and I can't get the graph to work correctly. I'm not really sure how to print the string of names, gender and rank at the point on the graph. Also I'm just wondering if I set up the scanner to find names right.
import java.util.*;
import java.io.*;
import java.awt.*;
public class Names {
public static final int year = 1880;
public static final int decades = 14;
public static final int decadeWidth = 70;
[code]....
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Feb 12, 2014
I have a JFrame where some elements (one, for now) have to be centered manually on the contentPane when resizing the window or changing the window state. Resizing event (componentResized) works fine but the windowStateChanged event is causing problems because it doesn't seem to "update" the contentPane's new size properly - it keeps the previous value although the window's size is obviously changed. This can be seen by simply printing the result of getSize called on contentPane.
Centering is done by programmatically changing the constraint of the component (using putConstraint, SpringLayout). The issue is that getWidth used in that method returns "wrong" values which results in an uncentered component. Maybe another listener is needed here?
Additional info: Eclipse with WindowBuilder, Linux Mint 15, Java 1.7
I know about SSCCE guidelines but I cannot make this particular example both ready to compile and short.For unknown reasons, I am unable to post the code example. I keep getting this - "Post denied. New posts are limited by number of URLs it may contain and checked if it doesn't contain forbidden words."
addWindowStateListener(new WindowStateListener()
{
// no "@Override" was generated but it is the same with it
public void windowStateChanged(WindowEvent e)
{
System.out.println("EVENT: " + contentPane.getSize() + ", "
+ getExtendedState() + ", " + e.getOldState()); // amusingly, states are actually correct - interchanging between 0 (Frame.NORMAL) and 6 (Frame.MAXIMIZED_BOTH) when I maximize and "unmaximize"
tfArrayPanelCenter();
[code]....
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Jan 10, 2015
So, Iv'e been trying to make a simple Text Based RPG with Java, and it is going quite well, and my friends want to play it too but they aren't very tech savvy, so it's hard to tell them to get an IDE or use the CMD, so I wanted to know if there was a way to make my text-based game into a window, like using JFrame or something. All i need is a window that displays the text, and a bar on the bottom that lets the user input what they want (Kind of like a CMD).
I want it sort of like this window: This Pic
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Jan 24, 2014
Now my issue is I have a JTable. The first column will contain Date objects all the way to the bottom. I want the JTable to display only the month and year. I created a custom cell renderer, but it appears the cell renderer method "getTableCellRendererComponent" is never called. (I tested it using System.out.println();) Here is my code for setting the cell renderer and the contents of the first column:
MonthYearTableCellRenderer renderer = new MonthYearTableCellRenderer();
tblView.setDefaultRenderer(Date.class, renderer);
for(int i = 0; i < 60; i++){
Calendar cal = Calendar.getInstance();
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.add(Calendar.MONTH, i);
tableModel.setValueAt(cal.getTime(), i, 0);
}
The Date objects are set into the cells of column 0 correctly. The table shows the result of the "toString()" method for each cell in that column.
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Oct 22, 2014
Prompt for the project is "Write a program that will ask the user for a number of seconds and output the equivalent period of time in days, hours, minutes, and seconds.The program should:
-Use modulo division to calculate the number of days, hours, and minutes.
-Use compound operators when making assignments.
-Proper formatting and use of comments
-Symbolic constants defined as the number of seconds in a minute, hour, and day.
For example: final int sec_in_min = 60;"
public class Mod1
{
public static void main (String[] args)
{
int sec, min, hr, day;
final int SEC_IN_MIN = 60;
final int SEC_IN_HR = 60 * 60;
final int SEC_IN_DAY = 60 * 60 * 24;
[code]....
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Feb 18, 2014
I'm trying to right a GUI in swing, and as part of my program, I want to open a secondary window out of the main window when a mouse clicks on the main window. Then, once I click a button on the secondary window, I want that window to close and submit data to the main window (like an info form). I have almost figured out how to do this, except for one problem. By putting a variable inside my form window called "ready," and then in my main window running a loop that constantly checks if ready is true and doesn't proceed until its true, I can create the form window, modify the values in it (currently just one value called "difficulty" that's modified by a jSlider), and then when i click the "begin" button, ready is changed to true, the form window closes, and the main window can proceed. However, when I try to put the while loop checking the ready variable inside a mouseClicked method in the main window, the form window freezes when it opens, and you can't see any of its content or modify it in any way (you can't even close it).
Here is my code:
//form window class
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class formWindow extends JFrame {
private JTextField instructions1;
[Code]...
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Apr 6, 2015
I am new to javafx I start using it instead of swing i used the scene builder for my forms the problem i faced i don't know how to have main screen with menu bar at top and depending the select from the menu it will open other windows and those window must be inside my window just like for example netbeans.
I don't need to open new window in separate i need all windows inside my main window and controlling over them minimize maximize perhaps.
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Aug 1, 2014
I've created a jar file from my java project and it's not working. I've followed this video step by step and it's not working.
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Oct 20, 2014
I have created a java gui application and I need to communicate through the serial port. I would like to open the serial port in the beginning of the application and then close it when the applications closes. The problem that I am having is that I created a method to open the serial port in the main function but I can not close the serial port on exit off the application. Is there away of having the serial port be setup so that all methods can access the serial port.
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Dec 18, 2014
I've been working on this code since a couple days and I just can't find what's wrong here. I have make an image open when the JMenu m6 button is clicked but it just doesn't work. I've tried a bunch of different codes but when I click on the desired button, nothing happens. Here's the code :
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.Dimension;
[code]...
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Sep 27, 2014
I'm now working more and more on the go and although I can carry my Macbook Air without too much trouble I've just been given an iPad Mini by work and it's far easier to do what I do with that on the move.
For work I need to open around 35 different websites at one time 4/5 times a day on the move.
With my Macbook that's no issue, as I can just use the open all function of my bookmarks, but on the iPad there is nothing that will allow me to do this.
I have looked online and a few people have had this issue and fixed it using the below Java method:
Creating a link that when clicked sets off a Javascript function that contains several window.open("url"); Clicking the link opens each website in its own tab.
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Mar 21, 2014
my code uploads a file to server.it works perfectly. however when i try to access it through href it says file not available.but the file is present.
Also,if i make any changes to the file like renaming tit etc the link works. My code is
<tr valign="center"><div align="left">
<td align="left"><B><font size="2" color="#4d5075"> File Already Uploaded</font></B></td>
<td><a href="cml/coml_upld/mfile_upload/Flashcard.pdf" >Click Here to view Uploaded BBU</a>
</td>
</tr>
my file upload code is
<%@ page import="java.io.*"%>
<%
try {
String saveFile = "";
String saveFile1="";
String contentType = request.getContentType();
if ((contentType != null) && (contentType.indexOf("multipart/form-data") >= 0))
[code]....
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Nov 25, 2014
For some reason the two JOptionPane message boxes at the end of my code don't seem to open when I run the program.
package assg2.kevin;
import java.awt.HeadlessException;
import javax.swing.*;
import java.util.Arrays;
import java.util.Random;
public class Assg2Kevin {
[Code] ....
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Jul 27, 2014
I want to get the time elapsed while opening a pdf file . I am not able to find a way to do it using PDFBox, Is there any way using which I can create a PDDocument in my java program and use some API to launch the PDF file and measure the time elapsed in opening it.
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Oct 3, 2014
I want to create a program which contains a list with 5 items and a button on the first display. The desired option is chosen from from the list and the button is pressed. On pressing the button it must open a new form which corresponds to the chosen item from the list.
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Feb 7, 2014
I'm going through a file (MySQL dump) and I wish to take the SQL and create individual files for each table (as opposed to what I do now, which is just run through the whole thing).
<code>
BufferedReader myDumpfileReader = new BufferedReader(new FileReader(tfDumpfile.getText())); BufferedWriter myDumpfileWriter = new BufferedWriter(new FileWriter("/users/linehanp/mydb/bin/tgac_dump/Vanilla.sql"));
while((dumpFileLine = myDumpfileReader.readLine()) != null){ DoStuff();
MyDumfileWriter.write("Whatever");
}
myDumpfileReader.close();myDumpfileWriter.close();
</code>
Now, this all works fine - but what I want to do is create a separate .sql file for each table.
However, I can't figure out the best way to do this - how do I create a new FileWriter (or instance of whatever class is required) as I'm going through the while loop? That or pointing the same one to different files as I go through the loop.
It can be assumed that the file may exceed RAM - I want to do it line by line rather than slurping the entire file as a string and "cheating" that way.
There appear to be many (a bewildering amount of) I/O options and I'm just unsure.
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Jun 23, 2014
want to open a directory from java program in Ubuntu When i use exec(path) it says access denied.
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Nov 13, 2014
i can't make the [JfileChooser] save text file instead of opening files.that [ComboBox] always don't show me the items that i have inserted in eclipse.
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May 6, 2014
How the event Listeners work in java,To get the data based on the event occurs in outside the application. I have this method in one of my API class I am not understanding how this methods are going to work.
public interface SBXPCXMLEventListener {
public void OnReceiveEventXML(String eventXML);
}
private static List<SBXPCXMLEventListener> listenerList = new ArrayList<SBXPCXMLEventListener>();
protected static void fireXMLEvent(String xml) {
[Code] ....
I have done like this.This is used to capture the events from the fingerprint machine when run this class I am not getting any data from the machine when i did thumb impression in the machine.
public class EventListnere implements SBXPCXMLEventListener {
public static void main(String[] args) {
boolean flag = SBXPCProxy.ConnectTcpip(1, "10.0.0.8", 5005, 1234);
System.out.println("flag = " + flag);
// SBXPCProxy.st
[Code] .....
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Feb 28, 2015
java.awt.Component is an abstract class, and it's direct Sub-classes are Button, Canvas, Checkbox, Choice, Container, Label, List, Scrollbar, Text Component
So, when I use addXListener(mylistenerclass m);//which is a method of Component class which object is holding the list of all listeners, for a particular Event Source?
I am under the assumption that - there is an Event Source Object(possibly static) for every Event Source type(mouse, keyboard etc) that holds a list of destinations(classes that implements their listener interface) - added to the the object via addXListener method. When an event happens(mouse click, drag etc) the Event Source Object creates an Event Object and send it to all the destinations. Is my assumption correct? I can't seem to find the location or declaration of Event Source Object and the list where it stores it's registered destinations.
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Oct 5, 2014
this is the first code
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class ChickenListener implements ActionListener {
int loopctrl;
static Connection cn;
static Statement st;
static ResultSet rs;
static PreparedStatement ps;
[Code]...
the second code
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class QuantityCounterListener implements ActionListener {
String tempStrng;
int tempInt;
int x = 0;
[Code]...
what my problem is i need to transfer what does "tempString" from code 1 holds to code 2 in the //x part in the prepared statement.
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