Thread: Help with panels

Originally Posted by hiepa

So I want to have an application with multiple panels, one for the login, one that comes the login and another when we press an "add" button.

I decided to put all of these panels in the same jFrame and just use the setVisible() true or false to show the panels I want and manage the events.

The problem is that as I use netbeans, I just drag and drop the components where I want. I want the login panel to be in the middle of the frame when I run it, so I put it in the middle and the other panels on its right and left.

First, if you want to do something "particular" on user interfaces in AWT/Swing, you must know quite well many aspects about components and layout managers. Without this, you won't go very far ....
And a "GUI editor" doesn't always help much .... they generally tend to generate code that is verbose, difficult to read and to maintain. Not to say that a GUI editor sometimes can "throw a monkey wrench in your works".

So please, understand this, and try to think in terms of (AWT/)Swing and not in terms of "dragging components" in a GUI editor.

Another approach for showing multiple panels would be to use the CardLayout layout manager.

Originally Posted by hiepa

I am talking about panels when I run my application, they dont show up at the place I put them in the design!

Re-read post #2. In order for you to correctly organize your layout, a familiarity with Layouts is virtually essential. I recommend reading
A Visual Guide to Layout Managers (The Java™ Tutorials > Creating a GUI With JFC/Swing > Laying Out Components Within a Container)
...and going by Norm's suggestion, you can readily change panels based upon user input using a CardLayout
How to Use CardLayout (The Java™ Tutorials > Creating a GUI With JFC/Swing > Laying Out Components Within a Container)