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Swing - Best way of using Layouts

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  #1  
Old May 5th, 2008, 10:22 PM
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Swing - Best way of using Layouts
What is the best way to use layouts? for example.. I want to layout two buttons.. one next to each other.. (top/left area) with a space between them. Been reading about boxlaouts/cardlayouts etc.. cant seem to find the one that fits.
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Old May 6th, 2008, 04:34 AM
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In my experience the best way is to look at the Visual Guide to Layout Managers and read the descriptions.

For your specific problem I'd suggest a FlowLayout. Or maybe a GridBagLayout or a SpringLayout if you have a few other components and don't want to nest panels...

Definitely not CardLayout, that does something completely different. BoxLayout are very specific in their use. You use it if you need all the cells to have the same dimensions. It could work in your case but is probably isn't what you are looking for...
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Old May 6th, 2008, 07:10 AM
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The best way to use layouts is to use more than one. Split up the job between different panels and give each it's own layout.

But yea I'd probably opt for just a flow layout.
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mrider agrees: Absolutely. I always use several different panels.
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Old May 6th, 2008, 09:14 AM
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The trick is that some layout managers respect the size of your widget, but do not guarantee a correct overall layout. Others guarantee a correct overall layout, but your widgets will expand to fill the entire panel. The only time I use one layout is on the simplest page.
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Old May 6th, 2008, 09:24 AM
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Quote:
Originally Posted by mrider
The trick is that some layout managers respect the size of your widget, but does not guarantee a correct overall layout. Others guarantee a correct overall layout, but your widgets will expand to fill the entire panel.

And others will respect the size of your widget and guarantee a correct overall layout but are so god awful complicated to use that you might as well not bother. I'm looking at you GridBag and Spring Layout.
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Old May 6th, 2008, 09:56 AM
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hmm ok, what If I was adding two buttons on top and a textbox at the bottom center, would I create different layouts for each container? like example.. (see comment in code)

java Code:
Original - java Code 
  1. public void addPanel ()
  2.      {
  3.          JPanel p = new JPanel ();
  4.          
  5.          p.setLayout (new FlowLayout (5, 10, 49)); //Do I recreate and add this on ever new object?
  6.          p.setPreferredSize (new Dimension (400,200));
  7.          
  8.          button = new JButton ("Click Me Biatch");
  9.          
  10.          p.add (button);
  11.          
  12.          this.getContentPane ().add (p);
  13.      }
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Old May 6th, 2008, 12:09 PM
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Pretty much. I like to use border layout for the parent frame.
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