1. Java actionListener for a nameless JButton? stackoverflow.comI was wondering if there is a way to implement an action listener for a Jbutton without a name. For example, I have the following for loop that creates a button ... |
2. How do you add an ActionListener onto a JButton in Java stackoverflow.com |
3. How do I activate JButton ActionListener inside code (unit testing purposes)? stackoverflow.comI need to activate a JButton ActionListener within a JDialog so I can do some unit testing using JUnit. Basically I have this: |
4. How are multi-button presses handled in swing? stackoverflow.comI'm experiencing some strange behaviour when using a stylus with swing. I am interpreting pressing the button on the side of the stylus(RIGHT) and pressing the stylus down(LEFT) as a "Grab" event, ... |
5. itemStateChanged on JButton stackoverflow.comI read that a |
6. String comparison for button events stackoverflow.comI have a String named updatedDisplay that is set to empty in the constructor. The buttons[] are JButtons and alarmCode is a String field. I want the user to press four buttons (and ... |
7. How to run a main class from a GUI Jbutton? stackoverflow.comI've created a main class (class file). As fas as i'm concerned, it works properly. Now, i'm creating a GUI which contains a button to launch that class file. How do ... |
8. Can't fit buttons in code stackoverflow.comI want to make working button and fit it in this code i have below. My problem is that anywhere i put actionlisteners or other stuff it always gives me weird ... |
9. How do I shutdown my program with a JButton ActionListener? stackoverflow.comI have a button, and a buttonhandler(ActionEvent) for it. Now, I want to make it so that, when you click the button, your program shuts down. How would I go about doing ... |
10. Creating Custom Button in Java stackoverflow.comI am trying to create a button that is a custom shape (hexagon), but otherwise acts like a normal JButton would (i.e. works with an ActionListener). I have created a class that ... |
11. I have 9 JButtons in the ArrayList . But I am not able to change the Lable of the Buttons in any event,,, stackoverflow.com |
12. How to add multiple ActionListeners for multiple buttons in Java Swing stackoverflow.comI know how to create one button and an Action Listener for it. But I want to have several buttons and actionListeners for them doing separate actions unrelated to each other. ... |
13. Problem implementing ActionListener to a group of jButtons stackoverflow.comi have a problem implementing ActionListener on a group of 10 jButtons. Each button has its text property set to a digit, from 0 - 9. So jButton1 will have its ... |
14. How to call external method in Java Button (GUI) stackoverflow.comso I have a section of code that looks like this... |
15. Changing JButton Text Periodically stackoverflow.comI would like to create a JButton that changes its text periodically after the first click. I'm not really familiar with Swing library. What would be a good starting point? May ... |
16. JButton actionListener stackoverflow.comI programmed a JFrame that have a Button and JList , and when i click on the Button , the JList list will be displayed . Instead it shows nothing ... |
17. calling an actionlistener from another actionlistener stackoverflow.comI have an actionlistener that fires when I click a button lets call it box, I have another actionlistener for another button call it restart. What I am trying to ... |
18. Get button name from ActionListener? stackoverflow.comI have scoured the internet but can't find an answer to this. I'm using an for loop to create 36 buttons called a1 a2 etc and assigning each of them a unique ... |
19. Handling JButton event in netbeans stackoverflow.comI just started using netbeans IDE to layout my interface, the problem is that i can't figure out how to link my JButton instance with the actual JButton that i've dragged ... |
20. ChangeListener JButton Issue stackoverflow.comI am trying to create buttons that change the color of an object when they are pressed. However the object changes color whenever my mouse merely hovers over the button. Am ... |
21. Passing input from JButton to console stackoverflow.com |
22. How to use Behavior class with Swing events? stackoverflow.comI'm writing code for a 3D graph, and I want the scene graph to update when the user presses a JButton. I'm trying to use a Behavior class, but I can't ... |
23. Splash screen in addActionListener stackoverflow.comI need to show a splash screen on button click. When I click the button the splash has to be visible, I do some process which runs on the background. After ... |
24. Problem of a Jbutton actionlistener bytes.comP: 9 shashmita Please help me i have a problem that whenever i run this program and during execution if i click the button then the remainig menubar and menuitems will ... |
25. ActionListener jbutton forums.netbeans.orgSearch: NetBeans Forums FAQ Search Memberlist Register Profile Log in to check your private messages Log in ... |
26. Several JButtons using single ActionListener forums.netbeans.orgHi there I have several buttons in an application and I would like them to call my own inner ActionListener class rather than a separate class for each button. I thought this was (or used to be) possible via a right click with the buttons selected in the IDE or is there a property I have missed? I could achieve this ... |
27. How to edit private method JButton ActionPerformed forums.netbeans.orgHi there, im currently developing a GUI for my Bluetooth project using NetBeans 6.8 i have been evaluating this problem and find the solution on net for 3 days and i couldnt find any. Finally i got here. my problem relies on: I have created a JButton using the drag and drop, so i double click that button it will direct ... |
28. About button's onMouseOver event coderanch.com |
29. handling button events coderanch.comHi Andy, I don't know about your second problem, but your first is that you should setup everything to do with the dialog before you call the show method. The call to the show method should be the last thing in your actionPerformed method. Why? Because show goes ahead and manages all children (i.e., placing them, registering events, etc). Since you ... |
30. JButton to Fire a event coderanch.com |
31. Event Handling with Array of Buttons coderanch.comI've got an array of java.awt.Buttons and I'm wondering what the best way to handle the event processing. Here's what I've got now: public void actionPerformed(ActionEvent evt){ for (int i=1; i<10; i++ ){ if(evt.getSource()==myButtons[i]){ // call a method based on the array index }} This seems kinda bad for performance, but it was easier and faster than writing a bunch of ... |
32. JButton and ActionListener coderanch.com |
33. Cannot add actionListener to Button ?!? coderanch.comHi, I made a few minor modifications to a erstwhile working applet and get the following error message : ... cannot resolve symbol symbol : variable search location : class java.awt.Panel PanelCliInfo.search.ActionListener(this); ... The complete applet is big, so here is the gist of it : import java.applet.*; import java.awt.*; [B]import java.awt.event.*;[/B] import java.awt.image.MemoryImageSource; import javax.swing.ImageIcon; import java.net.*; import java.util.Date; import ... |
34. Query about event for refresh button?? coderanch.com |
35. Question about JButton events coderanch.comHello all, As a newbee to java and awt I have created a small java application that will draw a JFrame with a JTextArea and as the program progresses, messages are added to this textarea. This works fine. (I call this window my progress_screen) Now I want to call before my progress_screen another window, my welcome_screen, which simply contains some JLabels ... |
36. JButton + ActionListeners Question coderanch.comI've been trying out ActionListeners and run into a problem. I want pressing a button to make a label become visible and the text on the button itself to change, but I can't seem to do the second part from within the listener - I just get a nullPointerException. Can anyone tell me what I'm doing wrong? import javax.swing.*; import java.awt.*; ... |
37. Add ActionListener to JButton coderanch.comimport javax.swing.*; import java.awt.*; import java.awt.event.*; class Testing extends JFrame { public Testing() { setLocation(300,200); setSize(600,400); setDefaultCloseOperation(EXIT_ON_CLOSE); JPanel gamePanel = new JPanel(new GridLayout(20,20)); gamePanel.setPreferredSize(new Dimension(1200,1200)); for (int x = 0; x < 400; x++) { JButton btn = new JButton("" + x); final int selectedIndex = x; btn.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent ae){ JOptionPane.showMessageDialog(getContentPane(),"I am button "+selectedIndex);}}); gamePanel.add(btn); } JScrollPane sp ... |
38. Swing event handling for a JButton? coderanch.com |
39. Adding more ActionListeners to buttons. coderanch.comI am trying to create a program for myself while learning to use swing. I ran into a problem with ActionListeners... Here is what I have so far below.. I have questions in bold within the code between *********** // FlashCardMenu.java GUI import javax.swing.*; import java.awt.*; import java.awt.event.*; public class FlashCardMenu implements ActionListener { // class constants private static final int ... |
40. Event in jButton coderanch.comHi I have connected a table to a database in jFrame through coding. Not the drag and drop jtable from the component panel. My problem is how will i interact with that table through the normal drag and drop jbutton? This is my code: package crc; import java.awt.*; import java.io.*; import java.sql.*; import java.util.*; import javax.swing.*; import javax.swing.table.*; import java.net.*; import ... |
41. using same actionlistener exit button not working coderanch.com |
42. Multiple buttons... how does the actionlistener handle it? coderanch.comI'm supposed to make a basic memory game. Buttons will appear on a grid layout in variations of 2x2, 4x4 and 6x6. How do I know which button was pressed? for (int j = 0; j < last.length; j++) { b[j] = new Button(String.valueOf(last[j])); b[j].setBackground(Color.BLACK); b[j].setForeground(Color.BLACK); b[j].setFont(sansbold); b[j].addActionListener(this); add(b[j]); } Those are the buttons. I was planning on comparing the strings ... |
43. OK button does not dispose of parent frame within ActionListener coderanch.com |
44. File Path handling on Button event coderanch.comI have use of file path in my application, I have used jFileChooser for getting a folder path, I need folder path not file. but it is giving path like D:\Eclipse Work\Framework\src, whether "\" is invalid character in Java. Wndows system use "\\" and Unix uses "/". I have also used replace('char1', 'char2') method to change the path denotion but it ... |
45. Using the 'Enter' button in an ActionListener method coderanch.comDear Programmers, Much thanks for your help proffered thus far. I have now gotten the code to work. There is one item that stops it from running as I had wanted it to, though. This would be to get anything written to the GUI (as generated by class ClientGUI) to transfer from the textfield to the GUI's text area by pressing ... |
46. array of Jbutton - how to use event.getSource() coderanch.comSo.... Assuming I have an array of buttons (30) how can I tell which one is pressed when it gets to the actionPerformed area. say I have this class: Class ABC implements ActionListener { private JButton myButton[] = new JButton ("na"); public ABC() { //initilizing } . . . if (event.getSource()==myButton[i]) { //Question - what is i ??? // do somthing ... |
47. actionListener and JButton controls coderanch.comI am making a GUI with some JButtons in 2 rows. On the sec. row all the JButtons have colors. Here comes the problem how do I code the GUI to respond to a click on a colored JButton I want the JButton on the first row to take the color of the clicked JButton of the sec. row. I should ... |
48. Problem with ActionListener and JButtons (harder than it first seems coderanch.comThis program copies the iPhone sort of: package iphone; import java.awt.BorderLayout; import java.awt.CardLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Calendar; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JSlider; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class iPhoneJava extends JFrame implements ActionListener { ... |
49. Adding ActionListeners to JButtons coderanch.com |
50. Help! How to create create a button from an event? coderanch.comrun this, type something into the textfield, press enter, click the added button to trigger its actionListener import javax.swing.*; import java.awt.*; import java.awt.event.*; class Testing { public void buildGUI() { final JTextField tf = new JTextField("Type something then press ENTER"); JFrame f1 = new JFrame(); final JFrame f2 = new JFrame(); f1.getContentPane().add(tf); f1.pack(); f2.setSize(400,300); f1.setLocation(100,200); f2.setLocation(400,200); f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f2.setVisible(true); f1.setVisible(true); tf.requestFocusInWindow(); ... |
51. Issues with the setting up of Actionlisteners for JButtons coderanch.comHello, This is a Swing program that continuously alters the color in a circle when "start" is clicked. And it stops when "stop" is clicked. I have given below the full code listing (not sure if this was necessary but i think it could involve both Syntactical and logical errors) I believe something is wrong with the listener class. Is this ... |
52. Changing Text on JButton through its actionPerformed-method coderanch.comHi there, long time no see or hear newbie questions, so here I come: I'd like the text of my JButton to change when it is clicked. But I cannot refer to it from inside actionPerformed. More precisely: public class MyButton extends JButton{ int dayOfYear = 0; String set = ""; } ... MyButton button = new MyButton(); button.setText("Some Text"); button.addActionListener(new ... |
53. JButton actionListener coderanch.comI'm writing a program that asks the user a series of yes/no questions. I created two JButtons, one "yes" and one "no". Each button has it's specified actionListener associated with it, and when the user selects yes or no, it asks a different question depending on the previous selection. Here is my problem, I would like to re-use the JButtons "yes" ... |
54. return a value by firing a JButton event coderanch.comI have a class here that I want to act just like a JOptionPane.. import java.awt.Dimension; import java.awt.Font; import java.awt.Image; import java.awt.Graphics; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import javax.swing.JPanel; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.ImageIcon; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JTextField; import javax.swing.KeyStroke; /** * * @author */ public class PopUp extends JDialog { private JPanel popUpPanel; private ... |
55. JButton & Event Handling question. coderanch.comWhat I'm trying to achieve is a basic calculator. Simple for most... I obviously know how to do the maths although I'm having trouble retaining the data. I was just wondering if you could explain how to get and retain the second "set" of data. ie. 1+2 = 3 ^this part. Maybe its the the structures I'm using or maybe its ... |
56. JButton ActionListener coderanch.comimport javax.swing.*; import java.awt.*; import java.awt.event.*; import java.sql.*; import javax.swing.table.DefaultTableModel; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import java.io.*; import java.net.*; import java.beans.*; import java.util.Date; import java.util.Calendar; import javax.swing.filechooser.FileFilter; public class mainGUI implements ActionListener{ static JFrame serverFrame=new JFrame("Network Admin"); JMenuBar serverMBar=new JMenuBar(); JMenu serverFile,serverEdit,serverMessageMenu; JMenuItem serverClient,serverUser,serverLogoff,serverExit,serverAddprogram,serverEditDelete,serverMessage; static DefaultTableModel serverDTM=new DefaultTableModel(); JTable serverTable=new JTable(serverDTM); JScrollPane serverScroll=new JScrollPane(serverTable); DefaultListModel serverListDM=new DefaultListModel(); JList serverList=new JList(serverListDM); JScrollPane serverListScroll=new ... |
57. 2 newbie questions on JButton/actionListener and validate() coderanch.comHi, I'm trying to build a little program to manage an FAQ, that can basically: 1 store a question (text1) and an answer (text2) 2 make a button in my gui that has the question on it 3 copy the answer to the clipboard when I click the button Number 1 goes OK. I have a question about number 2 and ... |
58. Quick question JButton ActionListener IllegalArgumentException coderanch.comQuick question... I have a JButton action listener. Inside the action listener when I press the open account button it takes the name entered into the JTextField and opens a Bank account with the name. My question is when the GUI is opened and I press the Open account button before actually putting input into the name textfield, It throws and ... |
59. Bind jbutton event to a keystroke coderanch.com |
60. New to GUI, need help with actionListener and buttons coderanch.comI'm trying to use the same actionlistener for multiple buttons (two to start with). Here is my code: import javax.swing.*; import java.awt.*; import java.awt.event.*; public class SimpleGuiB implements ActionListener { JButton button; JButton button1; String zeroString = "button0"; String oneString = "button1"; public static void main(String[] args) { SimpleGuiB gui = new SimpleGuiB(); gui.go(); } public void go() { JFrame frame ... |
61. Problems with jButton ActionPerformed java-forums.orgI have created two buttons, previous and next this below is an event inside my button when jButton13 is clicked Java Code: private void jButton13ActionPerformed(java.awt.event.ActionEvent evt) { // searchResults(); // System.out.println(name1); //displayClientData(); //creating variable that will get colom values String initials; String nameDisp; String surname; String email; String company; String telephone; String fax; String physical_add; String street_name; String surburb; String city; ... |
62. Implementing ActionListener for "nameless " button java-forums.orgLet me explain lah My friend used the above code JButton [] jb = new JButton[2]; jb[0] = new JButton("Start"); jb[0] = new JButton("Stop"); then if (e.getActionCommand() == "Start ") ... The problem is that I am supposed to design the buttons for him. However, if I code this way jb[0] = new JButton(null, image); then what do I put for ... |
63. Problem w/ ActionListener on a button java-forums.orgHi there, please forgive me if this post is not set out so that it is easy to read. Also I think this is the correct forum, although I it is an applet the problem is not actually with the applet part rather I think the AWT part hence the reason for me posting here. If this is not the case ... |
64. how do i see the JButton that called actionPerformed? java-forums.orgso I want to get the specific button which called an actionPerformed method in order to make changes to the button once it has been pressed. The reason for this is I have a grid of buttons and I want to change the appearance of the last one pressed. I have used the getSource() method which kind of works but it ... |
65. ActionPerformed - JButton - How to setActionCommand? java-forums.orgHello, I'm making a Minesweeper game in Java for my final project for school and I have one issue that is keeping me from finishing it which is commented below in the code as well: What I want to do is set the background of the button that was clicked to Gray and display the number that was inside (it is ... |
66. Event On jButton java-forums.orgHello Every One I have a project in netbeans. My problem is that i want to write event on enter key means i want to save my data into database by hiting enter key. can it is posible by setManemonic() method if y then please tell me how i use it in netbeans because i try a lot to set on ... |
67. NOOB needs help with buttons and events, GUIs. java-forums.org07-16-2010 11:12 PM #1 simonsays415 Member Join Date Jul 2010 Posts 7 Rep Power 0 NOOB needs help with buttons and events, GUIs. Ok, so i have been spending the past week looking for direct answers to my problems and I have been able to get some answers from senor Google, but they are only bits and pieces of ... |
68. JButton actionlistener not working, very strange java-forums.orgOk normally i would try solve something like this on my own but im not getting any errors and i cant understand for the life of me why the actionListener for my Jbutton object isnt working. If you look at the below code i have an object called button which calls the actionListener event however none of the code in the ... |
69. JButton ActionListener problems java-forums.orgI'm trying to make a JPanel with two JButtons, but I'm having some problems setting up the actionlisteners for the buttons. Whenever I compile my code, I get 20 errors, mostly that the class, interface, or enum was expected. The first error I get is |
70. Multiple JButton/ActionListener problem java-forums.orgI am unable to implement more than one actionlistener. I have two questions, 1, how should I code this, and 2) is my class / program design off? would like not only how to make it work but any advice on doing it (program/class design) correctly. I have one actionlistener and several buttons. I want to use if statements in the ... |
71. button actionPerformed in gui interface java-forums.org |
72. Help with using a jbutton actionlistener to open a text file java-forums.orgHey Guys, I've been building a contact editor GUI using Netbeans 7, and I'm stuck on how to open a text file with a button. I've searched around, but only found advice relating to jfilechooser. The text file contains all the entries submitted to the contact editor, and I don't need it to be opened within the GUI, just with notepad ... |
73. Stopping events of a Jbutton forums.oracle.comHi. I have a program in which I have to count each click that a user do in a Frame, and with this information, I have to do a lot of things. The problem that I have is that I pass the number of clicks successfully to this class that manage an array, but in this class, when I try to ... |
74. How can i add an actionlistener to a JButton? forums.oracle.com@Navy_Coder Thanks for the code. The secound works fine. I don't understand why I need global private JButtons. And why do I need to put the Button declaration in a funktion? Why can't I do that in the main function? I tried to add a secound button. But the first vanished. Maybe I need a new FlowLayout. Message was edited by: ... |
75. actionPerformed, JButton and inheritance. forums.oracle.comI knew I wasn't clear enough ... oh well, let me try again, just in plain words. The class A represents a GUI without the networking capabilities. The class B is the exact same GUI as the one in the class A with the addition of one JMenu (to support networking) and maybe a handful of methods. So inheritance is the ... |
76. how to retreive value from the hashMap using ActionListener on the JButton forums.oracle.comi have retreived value from the hash Map i just want to retreive them one by one on click of a button and paste these value to the Lable provided in the JPanel i just need the code for the ActionPerformed(ActionEvent ae ) { ....... ........... ......... } what should be the code for retreive them one by one as i ... |
77. Getting the title of the JButton that initiated an actionlistener forums.oracle.comHey, When I click a particular JButton I want the action perform to grab the title of that jbutton but I am not quite sure how to do that since the actionlistener is a class inside the class with the jbutton. Is there a way to grab the title of the jbutton that initiated the actionlistener? If you need my code ... |
78. JButton ActionListener issue - help! forums.oracle.comInside the buttonListener1 class there is a call to a method call to changeImage, which sets the button's image. Then there is a method call to doSomething, which will take some action. There is all generalized for the sake of this post. What I am noticing that actions on the button are not performed until the entire method completes. Even though ... |
79. JButton events forums.oracle.comOk, but until you describe exactly what the problem is, the best I can do is suggest you give the components meaningful names. Calling a series of TextFields text1, text2, etc. will only lead to confusion. All you said was that the action listener has to get some text values and do some calculations. What doesn't work? Is the method not ... |
80. JButton and ActionListener Question forums.oracle.comHey, I have a 2D array of JButtons and I'm having difficulty getting the ActionListener method to work with it. I can't distinguish between the different components of the JButton array in my actionPerformed method. Basically, what I'm trying to do is click on one of the JButtons in my 2D array and make it disappear. is there any way I ... |
81. problem with actionListener of array of jbuttons forums.oracle.com |