Netbeans GUI预览与运行时视图不同

Question

I'm developing a simple Java application using NetBeans and its GUI editor. I'm stuck on creating a simple dialog: runtime it looks different from what I designed and from what is previewed in the editor. Basically, clicking on a button make my dialog appears.

    private void jButton1MouseReleased(java.awt.event.MouseEvent evt) {                                       
       PanelDialogNuovoCliente pan = new PanelDialogNuovoCliente();
       JDialog jd=new JDialog();
       jd.setTitle("Nuovo Cliente");
       jd.setMinimumSize(new Dimension(500, 400));
       jd.setLocationRelativeTo(null);
       jd.add(pan);
       jd.setModal(true);
       jd.setVisible(true);   
    }

The problem is that when the dialog appears it has a different look, the dialog window seems smaller and not all the components fit in it.

PanelDialogNuovoCliente is just a JPanel with some labels and JTextField .

Maximum, Minimum and Preferred sizes are all set to (500,400) from the JPanel properties in the editor.

JDialog minimum size is set to (500,400) from the code that I snipped.

Unfortunately I can't post a screenshot because I need at least 10 reputation but when I run the application Dialog's window is smaller compared to the one that I can see from the preview button in NetBean's GUI editor.

EDIT: Here's the screenshot. Runtime JDialog is on the left, while preview of it in netbeans is on the right. I tried to call JDialog#pack() just before setVisible(true) without success. I set nimbus look and feel for my app. Anyways if i try to preview the design from ide with nimbus l&f it looks perfect so i don't think that this one is the real problem

Answer 1

Perhaps what you're experiencing is similar to this post:

NetBeans (Java Swing): Set window size

I remember experiencing something similar and shared my experiences in a post there.

Edit: (28/05/2015)

Just to clarify/elaborate, here are steps I've got to replicate (and resolve) the issue I encountered, which might be what you've faced.

Problem Replication Steps

1. Create a new project with " File >> New Project... "
2. Choose " Java >> Java Desktop Application "
3. Click ' Next ' button
4. Project Name: " TestApp ", then " Finish " button - You then get two tabs opening up in the Matisse editor, "TestView.java" (the app's main window) and "TestAboutBox.java".
5. In the Matisse editor, I re-size the window to be a large size .
6. I then press Ctrl+F5 to run it
7. It runs and the window is the same size as in the ide.
8. Upon closing the app, it writes data to a " ~/.TestApp/mainFrame.session.xml " file on my linux system (I think this equates to " %APPDATA%\\CompanyName\\TestApp\\mainFrame.session.xml " on a windows system)
9. Taking a look inside this " mainFrame.session.xml " file, I see there's a " mainFrame " node that contains the x , y , width and height of the window.
10. Back in the mattisse editor, I resize the window to be smaller.
11. I then press Ctrl+F5 to run it again
12. The app's window then appears at the larger size (ie, it didn't abide by the smaller size specified in the IDE)

Workaround

I tried the workaround suggested in Tomas Pavek's post here:

http://forums.netbeans.org/ptopic28011.html

Basically, these steps:

1. Delete this " mainFrame.session.xml " file (or the folder that contains it)
2. then do CTRL+F5 to run the app again

...and hey presto! It appears at the correct size that the IDE had specified.