Handle Event « Event « Java Swing Q&A
1. Handle Swing events in JUnit test stackoverflow.comI have Swing java application with network communications to several "Players" that are represented as player objects, each with their own communication thread. The app has a "Team" object managing all ... |
2. In Java, is there a way to obtain the component where an event is being handled? stackoverflow.comSuppose I have 4 squares colored blue, white, red and green (myComponent) associated with the mouse press event. At one point, the mouse is pressed over one of them - say, ... |
3. Stopping default behavior of events in Swing stackoverflow.comI have the following bit of code in a method called by clicking the send button, or pressing enter in the message text field in a piece of code. |
4. Event Handling in Java stackoverflow.comDear All, How to capture scroll bar event in java. |
5. The Elegant way to handle Cyclic Event in Java? stackoverflow.comi think this not a specific problem to me; everybody might have encountered this issue before.
To properly illustrate it, here's a simple UI:
|
6. Java Swing: keeping the event handling maintanable stackoverflow.comIn my current project we are using for our Swing client the following patterns: Business Object (POJO) <--> (mapping) <--> Presentation Model (POJO with property change support) <--> (binding) <--> view ... |
7. eventHandler, defining & accessing params (java Swing Netbeans) stackoverflow.comin short: How do I get access to a param passed into a GUI constructor within eventHandler? more details: I am using NetBeans and Swing to write a Plugin in Java. I ... |
8. Mouse Events taking random number of clicks in java stackoverflow.comThe object of the code so far is the trade turns back and forth between player 1 and player 2 and allow the player whoose turn it is to turn one ... |
9. event handling in xml? stackoverflow.comi have been looking into swixml. This enabled me to describe components, layouts etc. within an XML, but its associated event handlers are written in java code. now is ... |
10. Validations for flex GUI testing using selenium(Java driver) and flexmonkium stackoverflow.comI am writing a framework for automated testing of flex GUI using selenium(java client driver) and flexmokium. In that, selenium RC doesn't show any error though GUI element is not present. ... |
11. Swing Events Trouble stackoverflow.comI am new to Java and am developing a java swing application. The main frame (JFrame) has a text box and an OK button. There is some long processing to be ... |
12. Are there any standard techniques and/or examples of collapsing multiple events in Java? stackoverflow.comLet me first sketch the concrete situation I find myself in, although my question is actually more general. I'm writing a component containing several sliders and I have listeners listening for ... |
13. Event Handling coderanch.comI am trying to do a small things. I have a table like this Type1 SubType1 Temp1 SubTemp1 Type1 SubType2 Temp2 SubTemp2 I have created a frame where there are 2 comboboxes and 2 textfield COmboBox1 wil have field 1 and combobox will have field2. Depending on the valuess chosen in field1 the combobox2 should get updated and depending on the ... |
14. How to Handle Events? coderanch.comJaime I'm new at this myself but it seems to me that it mostly a matter of preference and what makes the code easier to read. If you just have a couple of components that need to handle events it is probably easier and more readable to use an annonymous inner class. On the other hand if there a lot of ... |
15. JTabel event handling coderanch.comHi, I am trying to build a table with all the cells non-editable, but selectable so that I can pop up a dialog box or a window when a user clicks somewhere on the table with more information about that cell. What will be the best way to do this? I ask this because I am very new to Swing and ... |
16. Event Handling Problem coderanch.comFollowing are the 3 files a1.java , b1.java and e1.java a1.java & b1.java are the applet files while e1.java is the event handling file. What I want the output is that when I press the button in applet of a1 then the text in applet b1 should change from "HI THERE" to "Hello World" , this change of message is done ... |
17. Explicit Event Handling coderanch.comimport java.awt.*; import java.awt.event.*; class FahimButton extends Button { Panel p1; Frame f1; Button b1; TextField t1; FahimButton() { f1 = new Frame("Testing"); p1 = new Panel(); b1 = new Button("Click here"); t1 = new TextField("Press the button...."); enableEvents(AWTEvent.ACTION_EVENT_MASK); p1.add(b1); p1.add(t1); f1.add(p1,BorderLayout.CENTER); f1.show(); f1.setSize(200,200); } public void processActionEvent(ActionEvent ae) { if(ae.getSource()==b1)//is it needed? { super.processActionEvent(ae); System.out.println("Processing....."); t1.setText("Thank you..."); /** try { ... |
18. problem in event handling! coderanch.com |
19. Handling of events question coderanch.comI'm a Swing newbie and am having some difficulty getting down some architectural considerations in Swing applications (I'm used to MVC architecture in JSP/Servlets but having some questions now with Swing). For example say you have a typical JMenuBar with one of the menus with File selections ( New, Load, Save, etc.). Now the way I have it set up for ... |
20. Why a javax.swing.JWindow can not handle a KeyEvent ? coderanch.com |
21. Event Handling coderanch.com |
22. how do I handle events on my 2D representation coderanch.comIf I represent my data as circles, rectangles, lines etc using the 2D package, how can I handle events on the diagram??? For ex: if I have A and B in cirlces connected by a line, I would want to handle mouse clicks on A or B. Do you think the JPGraph will solve my problem??? Apprecite any help. Thanks! [ ... |
23. Event handling coderanch.comIf all you are doing is trying to change what is displayed on the frame, you are doing it in the wrong way. You should rather create a bunch of panels that contain the screen layouts that you want and use the CardLayout on your frame to change what is displayed. What you are actually doing currently, is creating a brand ... |
24. event handling coderanch.com |
25. Handling External Event coderanch.com |
26. event handling coderanch.com |
27. How to handle many events ? coderanch.com |
28. event handling problem coderanch.comYou are trying to put a method inside your main method. import java.awt.*; import javax.swing.*; import javax.swing.event.*; public class banksystem extends JFrame implements ActionListener { public static void main(String[] args){ new banksystem(); } public banksystem(){ JFrame.setDefaultLookAndFeelDecorated(true); JFrame frame = new JFrame("ABC BANK"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); JPanel contentPane = new JPanel(new BorderLayout()); JLabel lb = new JLabel("WELCOMW TO ABC BANK"); lb.setBackground(Color.blue); lb.setFont(new Font("MS Comic ... |
29. Event Handling coderanch.comHi all, I am trying to learn eventHandling in Java and have a doubt in the following code snippet. When i run it and press + or - key, it has no response. What is my mistake? where should i register the KeyListener interface? import java.awt.*; import javax.swing.*; import java.awt.event.*; public class MainWindow { static int questionNumber; JFrame mainWindow; JLabel questionLabel; ... |
30. Event Handling work on DrawLine/Rectangle. coderanch.com |
31. How To handle events for a List coderanch.com |
32. Event Handling coderanch.com |
33. Event Handling coderanch.comDear Reader My plugin contributes a couple of editors, on which I draw my data. Now I want to allow the user to change the font of these editors. For this purpose, I have extended org.eclipse.ui.Themes. This allows an entry in the Color and Font section of the Preferences. Please help me as to how can I use this value for ... |
34. Event - Handling coderanch.com |
35. delegating event handling coderanch.comHi I am trying to develop a small login application. I have a simple login gui called LoginFrame.java which contains a textfield and a password field and a submit button. When the user enters values in textfield and password and presses the Submit button, the textfield and password should be validated. I want to design this in a way such that ... |
36. Event handling coderanch.com |
37. handling events coderanch.com |
38. How to handle events in java coderanch.comTo simplify, use arrays. For instance, import java.awt.Dimension; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.*; public class Buttons extends JPanel { private JButton[][] buttons = new JButton[3][3]; public Buttons() { setLayout(new GridLayout(3, 3)); ButtonListener buttonListener = new ButtonListener(); for (int i = 0; i < buttons.length; i++) { for (int j = 0; j < buttons[i].length; j++) { buttons[i][j] = ... |
39. problem with handling the states of the events coderanch.comHi, Thankyou for the previous helps. I am trying to make autmatic door system , which has some buttons on it and a JTextField at bottom , if the user enters correct the four digit then the JTextField's color turns to green else to red. and by defualt the color the JTextField is black. I have just made the design and ... |
40. how to handle an event in separate class as written coderanch.comimport java.awt.*; import java.awt.event.*; class a extends Frame { Button b; public a() { setSize(100,100); setVisible(true); b=new Button("HELLO"); } public void add() { b.addActionListener(new b()); add(b); } public static void main(String []df) { a ob=new a(); ob.add(); } } class x extends a implements ActionListener { public void actionPerformed(ActionEvent ae) { if(ae.getActionCommand()=="HELLO") { b.setBackground(Color.red); } } } |
41. facing problem in event handling coderanch.com |
42. Handle Stylus Event coderanch.comWhat type of device are you using? Because I don't remember my work and home PCs being able to interact with styluses; only my old Windows Mobile phone was. Or do you mean you use a pen that's connected to your PC? Either way, Swing and events have nothing to do with sockets or Internet protocols, so I'm moving this thread ... |
43. Multiple Event Handling coderanch.comHow do you handle multiple events at the same time? For example, I have a game. I want to push the right arrow along with the up key. How would I be able to receive the input at the same time? Looks something like this : case KeyEvent.VK_UP : if (!inTheAir) { moveUp.start(); //Jumps up in the air repaint(); } break; ... |
44. keyEvent handling? coderanch.com |
45. Prob with event handling for Jcombox java-forums.orgHi All, I using a JComboBox , i perform a task in actionPerformed() , and i want this task to be performed if only there is a change in the selection of JComboBox . I problem i face is ,actionPerform() gets triggered both when adding items to the JComboBox as well as when item selected is being changed. Can somebody please ... |
46. handling events of a class from another class java-forums.orgHi. I have aclass with a few text fields and buttons. I want to handle the events of this class from the calling (usualy a JFrame), as it is happens with the events of the standard components. How can I do this? I've googled a lot about it and even the few topics that really said something weren't too enlightnening. |
47. Event Handling java-forums.orgHi Hope you can help because I am at a loss on thios one. As part of the actionPerformed(ActionEvent) method on a window (call it A), I open-up a second window B. The problem is that window B is only partially displayed and window A goes blank whenever I move window B around using the mouse. All is fine if I ... |
48. please help .... i got problem in event handling java-forums.orgimport java.awt.*; import java.awt.event.*; import javax.swing.*; class manis implements ActionListener { Frame f; Button b1; TextField t1; TextField t2; TextArea ta; manis() { Frame f=new Frame("Framer"); f.setSize(400,400); Button b1=new Button ("display"); f.add(b1); b1.addActionListener(this); TextField t1=new TextField(); f.add(t1); TextField t2=new TextField(); f.add(t2); TextArea ta=new TextArea(); f.add(ta); f.setLayout(new FlowLayout()); f.setVisible(true); } public void actionPerformed(ActionEvent e) { String s1=t1.getText(); String s2=t2.getText(); ta.setText(s1+s2); } public ... |
49. Creating my own unique Gui components + event-handling mechanisms forums.oracle.comHi All, I want to start creating my own gui components with more specialized functionalist and looks, basically new components and improvements on the standard swing components. I am looking for tutorials on the following and related topics: creating custom gui components that extend from JComponent event-handling mechanism STFWed and all I got was some examples on how to create them ... |
50. where can I find an event handling for non gui purposes good tutorial forums.oracle.comHello to all, I am searching the net for a good tutorial about java Event and Event handling that is not GUI related. All I find on the net are tutorial and examples that are related to GUI components the has pre defined events and handlers. please help me find good material to learn from. Appreciate it a lot. Dan |
51. Handle Events Fired by C# DLL In Java Swing forums.oracle.comDear, I am currently working on a Java Swing app, which reads from the PCMCIA card (MPR5000 by WJ Communication, Inc). I have a DLL from the manufactory that talks to the PCMCIA card. Base on my understanding I need to find a way to make my Java Swing app talk to and handle events fired by this DLL file. Q1: ... |
52. Event handling in custom Non-GUI components forums.oracle.comI have a class which needs to fire events to outside. These events maybe captured by several objects in outside world. How can I achieve this? In so many places I read, they always refer to AWT and Swing whereas my objects don't have any dependency to GUI. I simply need to fire an event from an object, and capture that ... |
53. Help me with event handling with this GUI forums.oracle.com |
As you can see, those two ...