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My program contains of a JDialog with a button which opens a JFileChooser. After Clicking on this Button my main JDialog gets hidden even if it's set to modal. This shouldnt happen.
What to do?
Setting the JDialog as a parent to the JFileChooser should "hold" it in place.
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I have the following, code which almost does what I want except it doesn't automatically stretch to the right, so the whole label can be seen. I've tried different constrains on it, but it doesn't change, setting the JFrame bigger works, but I would like it to resize depending on the label length, so it doesn't occupy more space on the screen than needed.
The UI Window
Run JFrame.pack() to resize the frame according to it's components.
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I have showdialog
JOptionPane.showMessageDialog(frame, "Eggs are not supposed to be green.");
How to get event when I click the Ok button?
The code will be blocked until you click
System.out.println("before click");
JOptionPane.showMessageDialog(null, "Eggs are not supposed to be green.");
System.out.println("after click - do your code here");
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So there will be a text field that I disable using the textField.setEnabled(false) method. However later on in the code I want to enable this text field back again. textField.setEnabled(true) does not work at this moment.
How should I address this problem?
Try to create a Jtextfield like instance variables
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Very general question, I am just confused on what setBorderPainted does. I'm creating a GUI and I need it. What happens if I don't include it in my GUI, will it effect anything?
Thanks
It is a property of javax.swing.AbstractButton.
When you set this property to true, and if the button has a border, it will paint the border.
As far as I know in certain OS like MAC, when you set the background color of the button, only the border of the button is painted with color. Some people will set this property to false so that the background can be seen colored.
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To set the default button to suppose jButton4 the following code has to be used: this.getRootPane().setDefaultButton(jButton4); But where to add this?
What all I tried:
I tried to add it in main function but it gave me an error, I tried to put it inside the button action performed block but it did not work, I tried to put it just before the main function it gave me an error.
Question: So where do I put this line of code so it works? I am using Netbeans GUI to make the program.
You could add this line everywhere you want to set the default button (a button click, where you create your UI etc.).
I think a nice place is where you create your UI elements.
In your case it would be, just after initComponents();