1. ActionListener coderanch.comNow I'm confused. Your saying that "I have all that" means that "processMyAge" is called, yet later you're saying it is not called? Go through my questions one by one, and investigate for each one whether the answer is yes or no. That should lead you to an explanation of what's happening. |
2. changing vector from GUI events coderanch.comLet me see if I can explain this without posting code. I have a GUI class that extends JFrame and implements listeners, so the calss itself is the listener. The handlers are overriden in this calss. In my driver class, I create a vector to hold instances of of type derived Vehicles (my abstract class), with the specific instances being "vanilla" ... |
3. how to get paintComponent to respond to a variety of events coderanch.comHi, I am starting on a program that will show different graphical effects, depending on which button is pushed. So I know I need to use paintComponent, but it seems so un-OO to have a single method with a long list of if-then-else-if... to cover all the possible graphical effects. So before I get too far into it, I wanted to ... |
4. Trap up/down arrowbutton event in JSpinner coderanch.com |
5. Event Listners VS Event Adapters coderanch.comAdapters are helper classes which can be used as base class when you don't wan't to implement all event listener's methods. Without adapter one would need to add all unused listener methods to the implementing class. So, adapters only save some typing when no GUI designer is used and probably some (small) amount of memory and storage space. [ September 06, ... |
6. Is this really where actionlistener should go? coderanch.comI recently programmed my first Java app, which is a utility for a game (the .jar is here: http://www.h3rne.dircon.co.uk/AVT/AVTTargetTracker.htm). The GUI consists of a JFrame into which I've placed a "Board" panel and an "Interface" panel. The interface panel has a series of sub-panels showing various bits of information, one of which has the input elements -some text boxes, spinners and ... |
7. What's ActionListener best practice? coderanch.comI've been searching for Swing best practice for a long time, but it's still not quite clear. The most 'best practice' suggests that 'java.swing.Action' should be used to encapsulate command, and use an ActionRegistry to get references to thoese actions. But my problem is that most of my Action has to update UI components, so my Action must have reference to ... |
8. onscroll event on iframe coderanch.com |
9. ActionListener illegal start of expression coderanch.com |
10. Recording Swing application events coderanch.comHi All, I've a requirement to record all the user actions on swing application like mouse click on some button... entering text on text field or selection of item in combo box etc.. Note that the program should be independent of the application. Pls.. give me a small clue how can I proceed. Thanks in advance, Sam |
11. TabPane Events coderanch.com |
12. Programmatic Events coderanch.com |
13. focusLost event coderanch.comI have two text fields(well more but for the sake of simplicity) and button. I have a on focustLost method which is invoked when focust is lost on the text field but the problem is I want the method i call inside focusLost to be called only when the focus is lost moving to the next text field.In other words not ... |
14. Swing InputMaps and Events coderanch.com |
15. actionPerformed Best Practices coderanch.comThe soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day. The content of your character is your choice. Day by day, what you do is who you become. Your integrity is your destiny - it is the light that guides your way. - ... |
16. actionListener and this coderanch.com |
17. How to find the End task event ? coderanch.comHi, I had a swing based application.User will login to the application ,claim some tasks and start work on those.If he closes the window all the tasks he claimed will be released and logged out of the application.So that others can work on that tasks. If the user closes the window by ctrl+ALt+Del i.e. by end task the tasks he claimed ... |
18. ActionListener Problem coderanch.com |
19. Event Problems: Need Help coderanch.comThis program is not doing what its supposed to do: package firstGui; import java.io.*; import javax.swing.*; import java.awt.*; import java.awt.event.*; public class BouncingBall { JFrame frame; JButton bounceButton; MyDrawPanel drawPanel; int x=0,y=300; public static void main(String[] args) { BouncingBall ball = new BouncingBall(); ball.go(); } public void go() { frame = new JFrame(); bounceButton = new JButton("Click to Bounce"); bounceButton.addActionListener(new Bounce()); ... |
20. Launching QuickTime player at click event coderanch.com |
21. ActionListener problem coderanch.comI have 4 java files: MainFrame.java MainFrameListener.java ArenaPanel.java ArenaListener.java MainFrame extends JFrame and is the main window of my application. ArenaPanel is one of the several panels I have. MainFrame has a menu bar which has menu buttons to go to different panels. The arenaPanel has a SAVE button, actions for which have been defined in arenaListener. Actions for MainFrame menu ... |
22. Identifying GUI events coderanch.comUnless the actions performed by the two buttons are similar, I typically create two different event handlers. I also don't like to come up with names for them, so I use anonymouse inner classes. While the syntax is a little complicated the first time you see it, it doesn't take long for it to becomes second nature: button1.addActionListener(new ActionListener() { public ... |
23. GUI and events coderanch.comI am having trouble with a programme that I am writting which is designed to desplay a GUI and then perform tasks depending on the user selecting buttons displayed in the GUI. I have managed to get everything to display but the problem I have is that I can not catch the events ie nothing happens when I select any of ... |
24. Swing class and events coderanch.comAH HA! See, I knew it would be obvious. Just getting tangled up in all the inter-related links in the API I guess. I spose I was just hoping that I could be lazy and find that little ole table mapping classes and events ....... dream on! Thanks guys, have a good weekend. Regards, Phil |
25. Where does a RuntimeException in actionPerformed() go? coderanch.comI dont think so Rob. The reason is if you see the code of pumpOneEventForHierarchy, you will see that it will handle all exceptions, errors(and ThreadDeath...jeez). So even if you add a UncaughtExceptionHandler, its useless. The idea is that he should wrap his potential NPE throwing code in a try-catch within the actionPerformed method itself. cheers, suraj |
26. ActionListener Problems coderanch.comI've been playing around with this code for quite awhile now and can't get any versions of it to work correctly. Nor can I understand the logic of why it isn't working. It complies and executes but refuses to react correctly to my ActionListener. /** * * @author StrangeWanderer */ public class MysteryQuestMain { public static void main(String[] args) { MystryQuestJFrame ... |
27. non-gui/awt event coderanch.comDear Members : Is it possible in java to raise and catch Business Events as is possible in other languages, I know. For instance - when I create a vehicle instance, that will trigger an event, which will add that vehicle to vehicle_list(List) - something like that ? Java does provide Observer Pattern, but that's only changed-state trigger; what I wanna ... |
28. ActionListener coderanch.com |
29. Reg: ActionListener coderanch.com |
30. How to Making remote event? coderanch.com |
31. Need help understanding why my actionlistener is causing my program to freeze coderanch.comI have a few inner classes in my main class and within one of those inner classes I have two more inner classes (for my actionlistener classes). Within one of those actionlistener classes I am creating an instance of a higher level inner class. Is this causing my program to freeze? The deleteButton actionlistener works great UNTIL I call the editButton ... |
32. Notify swing gui of an event coderanch.comI have a thread that kicks off a search in one of my GUIs. When that thread is updating it needs to send objects to the gui. I would like to seperate this logic from the actual GUI class if possible. I.E. I can have this class as an inner class but again I don't really want it inside the GUI ... |
33. AWT Event coderanch.comDear Colleagues, Consider the code below: I like this to return (after click OK button) whatever someone enters in the textfield into a new label: Example: Enter Text: ****** [OK] You Entered: ****** //Program to return whatever is entered by a user when a button is clicked //AssignmentFrame.java import java.awt.*; import java.awt.event.*; public class AssignmentFrame extends Frame implements WindowListener{ public AssignmentFrame(String ... |
34. doing same job on two or more events coderanch.com |
35. how to set action event coderanch.comimport java.awt.BorderLayout; import java.awt.image.BufferedImage; /** * * @author BHADZ */ public class imageFinalize extends javax.swing.JDialog { BufferedImage origImage; BufferedImage tempImageSize; BufferedImage imageResizable; BufferedImage cropImage; /** Creates new form imageFinalize */ public imageFinalize(java.awt.Frame parent, boolean modal, BufferedImage origImage) { super(parent, modal); initComponents(); this.origImage = origImage; tempImageSize = null; cropImage = null; imageResizable = null; layImage(origImage); } private void layImage(BufferedImage initImage){ javax.swing.ImageIcon imageBack ... |
36. ActionListener to Jface Dialogue coderanch.comHi,, I want to add Action Listeners to my application..i am preety new to SWT/Jface..can anyone tell me how to do that? Here is my code. package com.swtjface.Ch10; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Device; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.*; public class UsernamePasswordDialog extends Dialog{ private static final int RESET_ID = ... |
37. MouseDragged event issue coderanch.comI am working on simple graphical editor, and have an issue with mouseDragged event of the drawing surface (JPanel). For example, if I click on an element and drag it (let's say, ellipse) to move it. During the moving, I need to update my model, where I keep the list of elements drawn. But model is updated on "every pixel" my ... |
38. Event problems coderanch.com |
39. Need help with ActionListeners, cant get it to work. coderanch.comHello. I'm working on a small thing, nothing special. But I cant get my buttons to respond to clicking them. Here's my code: import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; import java.util.List; import javax.swing.JOptionPane.*; public class RunnerList extends JFrame { JTextArea display; public ArrayList |
40. General question about ActionListeners accessing other GUI elements coderanch.comHere is what I'm working on. I am using two files, Risk.java and RiskApp.java. If you need a simplified version (bare minimum of what you require), I'll be happy to shave it to what you need. I am new in Java too. This program has taken me close to 50 hours to build, and you might learn something useful. Risk.java: import ... |
41. passine event from one form to other gui form coderanch.comif( yes == can we pass or call an event of one form from another form) { can you give me an examole to call a button_click event of the one gui form from another form; } else { any other logic to same; } i am just a beginner.............please help me out |
42. Event insights coderanch.com |
43. ActionListener and Event coderanch.comWhy doesn't the following simplification work? Before import java.awt.*; import java.awt.event.*; import javax.swing.*; /** * @version 1.33 2007-06-12 * @author Cay Horstmann */ public class ButtonTest { public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { ButtonFrame frame = new ButtonFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } }); } } /** * A frame with a button panel */ class ... |
44. Problem implememnting ActionListener coderanch.comI am building a mortgage calculator for my Java class, not I am not trying to get anyone to do my homework, NOT AT ALL, however I have hit a road block and need some fresh eyes. I am trying to implement ActionListener into my code but I continue to get compile errors no matter how I change the configuration and ... |
45. GUI classes, implementing ActionListener. coderanch.comI feel like i know the little bits but not the overall scheme of things. I've separated my GUI class to a separate class called gui. I have a class for my objects and a main class to run everything. How do i get the ActionPerformed method in the GUI class to call the Main Class for action methods?, I've tried ... |
46. about event and actionlistener coderanch.com |
47. Reacting to events outside of the class in which an event occurs coderanch.comHi I'm trying to understand how to structure a simple application. It seems it must be a really common scenario but so far I can't work it out. Lets say I have a class A with the main method. My expectation is that it will co-ordinate activities. The application has a JFrame with several panels in it, each with some GUI ... |
48. requestfocusinwindow going to lostfocus event thrice coderanch.comI am using netbeans and I have written this code in netbeans txtphone focuslost event section. I think so far as over-riding etc. are concerned, netbeans must have handled those issues. As I have written the code in txtphone focuslost event section, I think it should be invoked only when txtphone field looses focus. |
49. getting the dropped event problem coderanch.com |
50. swing events java-forums.orgi am using net beans ide...how to show previously created frame by clicking menu item..i wrote the coding like that.. private void paddnewmenuitemMouseClicked(java.awt.event.MouseEv ent evt) { patientdetails.pack(); patientdetails.setVisile(true); } but it provide the following warning message.. Non-static method pack() can not be referenced from a static context. pls help me.thanks in advance.. |
51. Need Help with events java-forums.orgHello All- So i created a custom widget component in netbeans. The widget component has 5 buttons which when clicked I need it to send and even or message to the containing frame to call a specific function with parameters that the widget does not know about. For example... the widget has a button called open. I want the the main ... |
52. Can you catch/suppress events? java-forums.orgimport java.awt.event.*; import javax.swing.*; public class MyPanel extends JPanel implements ActionListener { private JComboBox boxA; private JCheckBox check; private MyObject someObject; public MyPanel(MyObject anObject) { this.boxA = new JComboBox(); this.boxA.addItem("Item1"); this.boxA.addItem("Item2"); this.boxA.addActionListener(this); this.check = new JCheckBox(); this.check.addActionListener(this); this.add(boxA); this.add(check); this.someObject = anObject; } // this method I do not want to generate any events public void update(String cbData, boolean isCheck) { ... |
53. Event for jTtextField changed java-forums.orgI'm not trying to be smarmy, but it all depends on what you want to listen for. Doesn't it make intuitive sense to you that if you want to listen for changes to the document, then you need a document listener, the focus change, then the focus listener. I suggest that you try writing code with these and see for yourself ... |
54. checking for an event during an event java-forums.orgSay you click a button which loops a process, but you want to terminate that process when you click the button again, or press some key. So for example, I registered the listener object with the button. When I press the button, it triggers an ActionEvent and goes to the actionPerformed method wherein it loops some process. I want to make ... |
55. NullPointerException by ActionListener java-forums.orgHello everybody, At the moment I am trying to build an application that's using lot's of different classes. I am trying to create event handlers to handle the events from the different classes. Because the source is some kind of big, i have made a sort of simulation, with the same problem. When you click the Ok button, there will be ... |
56. writng event listners ( seems complicated) java-forums.orgHi to all, Hope you all are fine. I have a recorder and now i want to add a JSlider in it. The problem is how i synchronize my slider with the time means when the record button is press the time start and slider move also as the time passes, and when some body press stop button the slider stops ... |
57. event that terminate function java-forums.org |
58. FocusGained event doesn't work java-forums.orgHi everybody! I have this issue with my code. When my app JFrame gains focus, FocusGained method should log some info into the console, but id does not. When I comment out the piece of code responsible for adding buttons (from mainPanel.setLayout(mainPanelLayout); to add(mainPanel); ), it works. Any ideas what am I doing wrong (some parts of the code are NetBeans ... |
59. questions about events in differents layers java-forums.orgHi, i have a question about MouseEven of the MouseMotionListener and MouseListener Interface; I wanna know if i can activate an event of a component in a layer behind another component, I mean, I have a chessboard, that contains an Bidimensional Array of chart class, using JlayeredPane I place chart class in the innermost part of JlayeredPane, and chess piece in ... |
60. Click out event java-forums.org |
61. Swing/ActionListener help? java-forums.orgQuite honestly I'm very new at Java, but any help is greatly appreciated. ^^; This is a program I have to make for my AP Computer Science class- I have to make a program that calculates a regular polygon. I have pretty much everything worked out- except the whole "getting input" part. Java Code: import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import ... |
62. Problem with ActionListener? java-forums.orgHi, i am working on my school project with mainly deals with Openstreetmap using java swing,the problem which i encountered when running the below code is that,when i try to run the below class INDEPENDENTLY(i.e in netbeans right click and run the file),the code works like a charm,BUT,when i try to call the same code/class from an actionPerformed of a some ... |
63. Java actionlistener help java-forums.orgI am making a Yahtzee game and i am having trouble getting the dice to change when i press my roll button. the dice are checkboxes so when they are selected, they can be "held". For clarity's sake, ill just put the code for changing one of my dice from a one to a three. All my buttons and checkboxes show ... |
64. non-gui/swing event in java possible ? forums.oracle.comDear Members : Is it possible in java to raise and catch business events, as is possible in other languages, I know. For instance - when I create a vehicle instance, that will trigger an event which will add that vehicle to vehicle_list(List) - something like that ? I am aware of Observer/Observable, but that is only if the source changes. ... |
65. JComponent subclass receiving events? forums.oracle.comI have a class which has javax.swing.JComponent as its superclass. In this class' constructor, I added its respective listeners, a java.awt.event.FocusListener, as well as a java.awt.event.KeyListener. The problem is that it NEVER receives any events. I assume it is because I have not set its respective properties (ie bounds, size, etc) but if this is the problem, then can someone please ... |
66. How to separate ActionListener from my GUI classes forums.oracle.comIf I remember correctly, you were right on the money in your first post, getSource on the ActionEvent should return the gui component responsible for generating the event - you'll just have to cast it to the correct class. But for buttons, you don't really need to mess with the gui component, as you will know what action listener is attached ... |
67. actionPerformed and GUI problem help! forums.oracle.comAlso you're creating a menu item and then doing nothing with it, apparently. (Unless you're making the mistake of writing a big program and then "helping" us by only including the parts you think are relevant. Don't do that. Rather, write a small test program that exhibits the problem you're having, and post all of that.) Read some Swing tutorials. |
68. Monitor Swing events in JSP forums.oracle.comHow can I monitor a Swing object's events in a jsp page. Namely, my jsp has an |
69. Swing events from different classes forums.oracle.com |