Basically, at the moment I am doing certain actions that are being held in an ArrayList and when I click the Play Button, they are being output to a TextArea. I have two other buttons, Start and Stop.
When I click Start, every action that I do is supposed to start recording.
When i click Stop, it stops recording the actions.
When I click Play, the actions are supposed to be printed in the text area.
I have got the hard bit working but I just can't seem to implement the start and stop buttons. I will attach part of my code so you are able to see. Thanks in advance!!
public class jPanelBottom extends javax.swing.JPanel
{
private JTextField jtfBoundaryLength, jtfArea;
private JSlider jsShapes;
private JLabel jLabelBoundaryLength, jLabelArea, jLabelSlider;
private JButton jbStart, jbStop, jbPlay;
public static ActionPanel yes;
public jPanelBottom()
{
initComponents();
jbStart = new JButton();
jbStop.setText("Start");
jbStart.setSize(80, 25);
jbStart.setLocation(400, 95);
this.add(jbStart);
jbStop = new JButton();
jbStop.setText("Stop");
jbStop.setSize(80, 25);
jbStop.setLocation(500, 95);
this.add(jbStop);
jbPlay = new JButton();
jbPlay.setText("Play");
jbPlay.setSize(80, 25);
jbPlay.setLocation(600, 95);
this.add(jbPlay);
jbPlay.addActionListener(new ActionListener()
{
#Override
public void actionPerformed(ActionEvent e)
{
try{
//jbStart.addActionListener(this);
{
jbPlay.addActionListener(this);
ArrayList<String> list = MyFrame.shape1.getArrayList();
for (String s : list)
{
ActionPanel.jtaWoof.append(s);
ActionPanel.jtaWoof.append("\n");
}
}}catch(Throwable ex){}}
});
}
I really appreciate any help!!
The best way is to add a general actionPerformed:
public class Frame extends JFrame implements ActionListener{
[...]
public Frame(){
JButton Test = new JButton("Nutton Name");
[...]
Test.addActionListener(this);
}
#Override
public void actionPerformed(ActionEvent e){
Object src = e.getSource();
if(src == Test){
System.out.print("You've pressed Test!");
}
}
}
Don't forget to add the .addActionListener and to implement ActionListener to the class.
This is much easier than adding one every single time.
Related
I want to change appearance of Button on JOptionPane.ShowMessageDialog.
I have managed to change Button caption with
UIManager.put("OptionPane.okButtonText", "Text I want");
Now, my next goal is to make Button work same as buttons in rest of my app. That is, when hovering mouse over it, it changes background and font color.
On rest of my buttons I added mouse listener like this one:
//setting change color on hover
private final MouseListener mouseAction = new MouseAdapter() {
#Override
public void mouseEntered(MouseEvent e) {
JButton rollOver = (JButton)e.getSource();
if (rollOver.isEnabled()) {
rollOver.setBackground(new Color(163, 184, 204));
rollOver.setForeground(Color.WHITE);
rollOver.setFont(b);
}
};
#Override
public void mouseExited(MouseEvent e) {
JButton rollOver = (JButton)e.getSource();
if (rollOver.isEnabled()) {
rollOver.setBackground(new Color(230, 230, 230));
rollOver.setForeground(Color.BLACK);
rollOver.setFont(f);
}
};
};
Previously in code I have Font varibles set:
Font f = new Font("System", Font.PLAIN, 12);
Font b = new Font("System", Font.BOLD, 12);
I could make new dialogs from scratch and implent this behaviour but that would be overkill.
Is there some way to access Button on JOptionPane and add mouse listener
to it?
UIManager.put("OptionPane.okButtonText", "Text I want");
The above will change the text for all "Ok" buttons on all JOptionPanes that you create.
If you want to change the text on an individual button on a specific JOptionPane then
read the section from the Swing tutorial on Customizing Button Text.
Is there some way to access Button on JOptionPane and add mouse listener to it?
When you use the static showXXX(...) methods a modal JDialog is created so you don't have access to the dialog or its components until the dialog is closed which is too late.
So instead you need to manually create the JOptionPane and add it to a JDialog. The basics of doing this can be found by reading the JOptionPane API and looking at the section titled "Direct Use".
Once you have created the JOptionPane (and before you make the dialog visible) you can then search the option pane for the buttons and add a MouseListener to each button. To help you with this you can use the Swing Utils class. It will do a recursive search of the option pane and return the buttons to you in a List. You can then iterate through the List and add the MouseListener.
The basic code using this helper class would be:
JOptionPane optionPane = new JOptionPane(
"Are you sure you want to exit the application",
JOptionPane.QUESTION_MESSAGE,
JOptionPane.YES_NO_CANCEL_OPTION);
List<JButton> buttons = SwingUtils.getDescendantsOfType(JButton.class, optionPane, true);
for (JButton button: buttons)
{
System.out.println( button.getText() );
}
If you want to see the same effect inside all OptionPanels, I think the override BasicOptionPaneUI is a good solution
This is a minimal example
public class MyOptionPaneUI extends BasicOptionPaneUI {
#SuppressWarnings({"MethodOverridesStaticMethodOfSuperclass", "UnusedDeclaration"})
public static ComponentUI createUI(JComponent c) {
return new MyOptionPaneUI();
}
private static final MyMouseListener m = new MyMouseListener();
#Override
public void update(Graphics g, JComponent c) {
super.update(g, c);
}
#Override
protected void installListeners() {
JButton button = (JButton) getButtons()[0];
button.addMouseListener(m);
super.installListeners();
}
#Override
protected void uninstallListeners() {
JButton button = (JButton) getButtons()[0];
button.removeMouseListener(m);
super.uninstallListeners();
}
public static class MyMouseListener extends MouseAdapter{
#Override
public void mouseEntered(MouseEvent e) {
JButton rollOver = (JButton)e.getSource();
if (rollOver.isEnabled()) {
rollOver.setBackground(new Color(163, 184, 204));
rollOver.setForeground(Color.WHITE);
}
};
#Override
public void mouseExited(MouseEvent e) {
JButton rollOver = (JButton)e.getSource();
if (rollOver.isEnabled()) {
rollOver.setBackground(new Color(230, 230, 230));
rollOver.setForeground(Color.BLACK);
}
};
}
}
inside your frame your main class you can add this code for load the class inside the UIDefoult
static{
UIManager.put("OptionPaneUI", MyOptionPaneUI.getClass().getCanonicalName());
}
Because getButtons()[0], because I see this code inside the BasicOptionPaneUI
else if (type == JOptionPane.OK_CANCEL_OPTION) {
defaultOptions = new ButtonFactory[2];
defaultOptions[0] = new ButtonFactory(
UIManager.getString("OptionPane.okButtonText",l),
getMnemonic("OptionPane.okButtonMnemonic", l),
(Icon)DefaultLookup.get(optionPane, this,
"OptionPane.okIcon"), minimumWidth);
defaultOptions[1] = new ButtonFactory(
UIManager.getString("OptionPane.cancelButtonText",l),
getMnemonic("OptionPane.cancelButtonMnemonic", l),
(Icon)DefaultLookup.get(optionPane, this,
"OptionPane.cancelIcon"), minimumWidth);
} else {
defaultOptions = new ButtonFactory[1];
defaultOptions[0] = new ButtonFactory(
UIManager.getString("OptionPane.okButtonText",l),
getMnemonic("OptionPane.okButtonMnemonic", l),
(Icon)DefaultLookup.get(optionPane, this,
"OptionPane.okIcon"), minimumWidth);
}
inside the method protected Object[] getButtons()
If you want the effect mouse hover on the button I'm working on this library and have the solution for the mouse over.
If you have a possibility to personalize the DefaoultButton inside the library with this constant
UIManager.put("Button[Default].background", new Color(163, 184, 204));
UIManager.put("Button[Default].foreground", Color.WHITE);
UIManager.put("Button[Default].mouseHoverColor", new Color(230, 230, 230));
ps: this is only information if you need to add the mouse hover inside the you project
So for my program i have three buttons;
Button1: 8
Button2: 5
Button3: 3
public void actionPerformed(ActionEvent e) {
JButton b1= (JButton) e.getSource();
JButton b2= (JButton) e.getSource();
String button= b1.getText();
String button2 = b2.getText();
System.out.println("b1: " + button);
System.out.println("b2: " + button2);
I'm trying to check which buttons are pressed and storing them into the variable. So when the user presses 8, button should be 8, and once they press any second button, button2 should get that button
Do i make a new ActionEvent?
Currently both your buttons refer to the same source (I.e the same button)
If the actions to be triggered are similar in nature (for example, the buttons in MineSweeper, they are different buttons, but the actions to be triggered are the same), then you don't have to create multiple action listeners for multiple buttons. You can let your buttons add the same action listener:
//Example
class MyPanel extends JPanel{
private JButton btn1, btn2;
public MyPanel(){
btn1 = new JButton("Button 1");
btn2 = new JButton("Button 2");
ButtonHandler bn = new ButtonHandler();
btn1.addActionListener(bh);
btn2.addActionListener(bh);
}
}
Infact, what you wanted to do is just a one-liner:
private class ButtonHandler implements ActionListener{
#Override
public void actionPerformed(ActionEvent e){
System.out.println((JButton)e.getSource().getText());
}
}
However, if you have different actions for different buttons (for example, Start Game and Exit Game), then you can create separate action listeners for them.
So maybe you want to check the source of the event? Like:
public void actionPerformed(ActionEvent e) {
if (e.getSource() == b1) {
System.out.println("b1 pressed");
} else if (e.getSource() == b2) {
System.out.println("b2 pressed");
} else {
System.out.println("some other button pressed");
}
}
and you should really create different buttons outside of the scope of this actionPerformed method!
EDIT
The example solution by user3437460 is much better than this one…
Every component can hold information on it, by putClientProperty();
This mechanism is kind of map, so can hold few named objects. We use only one.
This obcjet (pie of information) is not visible for user, it is not text written on button like getText() in few tries, is only for consuming by algorithm. There can live not only primitives or strings, but live objects too.
class MyPanel extends JPanel{
private JButton btn1, btn2;
public MyPanel(){
btn1 = new JButton("Button 1");
btn1.putClientProperty("myinternalsense", 8); // <-- here
btn2 = new JButton("Button 2");
btn1.putClientProperty("myinternalsense", 5); // <-- here
btn1.putClientProperty("myfunctor", new MyFunctor() ); // <-- here
ButtonHandler bn = new ButtonHandler();
btn1.addActionListener(bh);
btn2.addActionListener(bh);
}
}
This information is accessible in any context, for example common event handler to many buttons.
private class ButtonHandler implements ActionListener{
#Override
public void actionPerformed(ActionEvent e){
System.out.println((JButton)e.getSource().getClientPropertygetText("myinternasense")); // <-- here
}
}
Ok so I have 2 jPanels.
one of them has a number of buttons that when pressed should add text to the the textfield that is in the second jPanel.
I am brand spanking new to swing with previously only having to write back end code and web based code so I am having difficulty seeing how you would accomplish this.
I only have buttons created in one panel and a textfield in another so i suspect code would be irrelevant.
Any articles that someone could point me to or examples are greatly appreciated.
So I had this problem ones,
So Lets say you have two JFrame JFrame1 and JFrame2
In order to communicate with each other at runtime both has to have most recent initialized object of each individual frame.
Now lets say this is your first frame where is your textbox,
public class JFrame1 extends JFrame{
JTextField jTextField= null;
public JFrame1() throws HeadlessException {
super("JFrame");
setSize(200, 200);
jTextField = new JTextField();
add(jTextField);
setVisible(true);
}
public void setValueToText(String value){
jTextField.setText(value);
}
}
Then This is second and where is your Button,
public class JFrame2 extends JFrame{
JButton jButton= null;
JFrame1 frame1=null;
public JFrame2() throws HeadlessException {
super("JFrame");
frame1=new JFrame1();
jButton = new JButton("Clieck Me");
add(jButton);
setVisible(true);
jButton.addActionListener(new ActionListener() {
#Override
public void actionPerformed(ActionEvent ae) {
frame1.setValueToText("Hi");
}
});
setVisible(true);
}
public static void main(String[] args) {
JFrame2 jf= new JFrame2();
jf.setSize(200, 200);
}
}
Now Just run second class file and click one button which will set hi on your textbox which is in second frame.
So As you see answer lay's in Initialized second object in frame.
My execution is like,
Run JFrame2
Initialized JFrame1 in JFame2 const.
you can make the JTextField an instance variable of the enclosing JFrame and make the two panels inner classes of it. By this, the two panels will have a reference to the same field which belongs to the outer class.
So, you will end up having something similar to:
public class Outer extends JFrame{
private JTextField text = new JTextField();
...
public Outer(){
this.add(new Inner1(), BorderLayout.NORTH);
this.add(new Inner2(), BorderLayout.SOUTH);
}
class Inner1 extends JPanel{
...
public Inner1(){
this.add(text);
}
}
class Inner2 extends JPanel implements ActionListener{
private JButton button = new JButton();
public Inner2(){
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e){
if (e.getSource() == button)
text.setText("Hello StackOverFlow");
}
}
}
add your code to change the text in another panel, when a button clicked in the first panel.
mybutton.addActionListener(new ActionListener() {
#Override
public void actionPerformed(ActionEvent e) {
//do your logic to change the text in another panel
}
});
I want to remove JButton when user click JButton.
I know that I should use remove method, but it did not work.
How can I do this?
Here is my code:
class Game implements ActionListener {
JFrame gameFrame;
JButton tmpButton;
JLabel tmpLabel1, tmpLabel2, tmpLabel3, tmpLabel4;
public void actionPerformed(ActionEvent e) {
gameFrame.remove(tmpLabel1);
gameFrame.getContentPane().validate();
return;
}
Game(String title) {
gameFrame = new JFrame(title);
gameFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gameFrame.setBounds(100, 100, 300, 500);
gameFrame.setResizable(false);
gameFrame.getContentPane().setLayout(null);
tmpLabel4 = new JLabel(new ImageIcon("./images/bomber.jpg"));
tmpLabel4.setSize(200, 200);
tmpLabel4.setLocation(50, 100);
tmpButton = new JButton("Play");
tmpButton.setSize(100, 50);
tmpButton.setLocation(100, 350);
tmpButton.addActionListener(this);
gameFrame.getContentPane().add(tmpLabel4);
gameFrame.getContentPane().add(tmpButton);
gameFrame.setVisible(true);
}
}
If hiding the button instead of removing works for your code then you can use:
public void actionPerformed(ActionEvent event){
tmpButton.setVisible(false);
}
for the button.But the button is just hidden not removed.
The simplest solution might be to...
Attach an ActionListener to the button, see How to Use Buttons, Check Boxes, and Radio Buttons and How to Write an Action Listeners for more details
When the ActionListener is clicked, extract the source of the event, JButton buttonThatWasClicked = (JButton)actionEvent.getSource()
Remove it from it's parent...
For example...
Container parent = buttonThatWasClicked.getParent();
parent.remove(buttonThatWasClicked);
parent.revaidate();
parent.repaint();
As some ideas...
First of all in your actionPerformed method you need to check that the button is clicked or not. And if the button is clicked, remove it. Here's how :
if(e.getSource() == tmpButton){
gameFrame.getContentPane().remove(tmpButton);
}
add this to your actionPerformed Method
don't add your button to jframe but add each component you want!
public void actionPerformed(ActionEvent event)
{
//gameFrame.getContentPane().add(tmpButton); -=> "Commented Area"
gameFrame.getContentPane().validate();
}
or hide your button like this
public void actionPerformed(ActionEvent event)
{
tmpButton.setVisible(false);
}
Hey guys, I have a problem with a code that I've been writing.
I have a JFrame that contains two buttons. Each of these buttons has an action. The problem I'm having is with a JButton called "btnDone" that's supposed to get back to a previous screen. If I I keep pushing the button repeatedly, eventually the "btnDone" would stop doing the logic it's supposed to do. My code is as follows:
For the frame:
public class ItemLocatorPnl extends JPnl
{
private static final long serialVersionUID = 1L;
private Pnl pnl;
private JButton btnDone;
private JButton btnRefreshData;
public void setPnl(Pnl pnl) {
this.pnl = pnl;
}
public ItemLocatorPnl(Pnl pnl)
{
super();
this.pnl=pnl;
initialize();
}
private void initialize()
{
this.setSize(300, 200);
JPanel jContentPane = new JPanel();
jContentPane.setLayout(new MigLayout());
// (1) Remove window frame
setUndecorated(true);
// (3) Set background to white
jContentPane.setBackground(Color.white);
// (5) Add components to the JPnl's contentPane
POSLoggers.initLog.writeDebug("ItemLocator: Adding icon");
jContentPane.add(wmIconLabel, "align left");
POSLoggers.initLog.writeDebug("ItemLocator: Adding global controls");
jContentPane.add(createUpperPanel(), "align right, wrap");
POSLoggers.initLog.writeDebug("ItemLocator: Adding main panel");
jContentPane.add(pnl,"width 100%,height 100%, span 3");
// (6) Attach the content pane to the JPnl
this.setContentPane(jContentPane);
}
private JPanel createUpperPanel()
{
JPanel upperPanel=new JPanel();
MigLayout mig = new MigLayout("align right", "", "");
upperPanel.setLayout(mig);
upperPanel.setBackground(Color.WHITE);
// Create the Done button
btnDone= GraphicalUtilities.getPOSButton("<html><center>Done</center></html>");
btnDone.addActionListener(new ButtonListener());
// Create the Refresh Data button
btnRefreshData = GraphicalUtilities.getPOSButton("<html><center>Refresh<br>Data</center></html>");
btnRefreshData.addActionListener(new ButtonListener());
//Addiing buttons to the Panel
upperPanel.add(btnRefreshData, "width 100:170:200, height 100!");
upperPanel.add(btnDone, "width 100:170:200, height 100!");
return upperPanel;
}
public class ButtonListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
try {
if (e.getSource() == btnRefreshData) {
Actual.refreshData();
} else if (e.getSource() == btnDone) {
Actual.backToMainScreen();
}
}
catch (Exception ex)
{
}
}
}
}
This is the method that the btnDone button calls upon clicking:
public static void backToMainScreen()
{
frame.setVisible(false);
frame.dispose();
}
This is the code that displays the JFrame:
public static void displayItemLocatorFrame()
{
pnl = new Pnl();
frame = new Frame(pnl);
frame.setVisible(true);
pnl.getSearchCriteria().requestFocus();
}
Please note that the "frame" object is static, and all of my methods are static, and they exist in a static class called Actual.
So in short, I just want to make sure that no matter how many times a user clicks on the button, and no matter how fast the clicks were, the frame should act normally.
Any suggestions? (I tried synchronizing my methods with no luck..)
I would generally prefer to use an Action for what you're trying to do.
So your code might look like this:
btnDone = new JButton(new CloseFrameAction());
...
private class CloseFrameAction extends AbstractAction
{
public CloseFrameAction()
{
super("Done");
}
public void actionPerformed(ActionEvent e)
{
frame.dispose();
setEnabled(false);
}
}
Notice the setEnabled(false) line - this should disable the button and prevent the user clicking on it again. Obviously I don't know what your exact requirements are but this is the general approach I would take.
The problem was with using a static panel that was instantiated with the click of the button each time. Removing "static" has finally fixed my problem! Thanks everyone for the help.