How do I specify the starting location of a grid layout? : Java, IE 7.0

May 17, 2008 06:36am pdt

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05.07.2008 at 04:54PM PDT, ID: 23384655

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9.4

How do I specify the starting location of a grid layout?

Zones: New to Java Programming, Java Programming Language, Java Standard Edition

Tags: Java, IE 7.0

I have 9 buttons. Each button is 110 x 110. I already have my buttons placed where I need them to be. I would like to use a gridLayout to place these buttons in the same location. How do I specify the starting location of a gridLayout? Thank you in advance!

         
           
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             private static final int BOARD_BUTTON_SIDE = 110;
	private static final int BOARD_BUTTON_LEFT_X_OR_TOP_Y = 5;
	private static final int BOARD_BUTTON_MIDDLE_X_OR_Y = 125;			
	private static final int BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y = 245;
	
	
		Insets insets = boardPanel.getInsets( );
		Dimension size = boardButton[ ONE ].getPreferredSize( );
	
		boardButton[ ONE ].setBounds( BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
												BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
																										
		boardButton[ TWO ].setBounds( BOARD_BUTTON_MIDDLE_X_OR_Y, 
												BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
																						
		boardButton[ THREE ].setBounds( BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
												BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
													
													
		boardButton[ FOUR ].setBounds( BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
												BOARD_BUTTON_MIDDLE_X_OR_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
																					
		boardButton[ FIVE ].setBounds( BOARD_BUTTON_MIDDLE_X_OR_Y, 
												BOARD_BUTTON_MIDDLE_X_OR_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
																					
		boardButton[ SIX ].setBounds( BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
												BOARD_BUTTON_MIDDLE_X_OR_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );
													
		boardButton[ SEVEN ].setBounds( BOARD_BUTTON_LEFT_X_OR_TOP_Y, 
												BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );									
		boardButton[ EIGHT ].setBounds( BOARD_BUTTON_MIDDLE_X_OR_Y, 
												BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );									
		boardButton[ NINE ].setBounds( BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
												BOARD_BUTTON_RIGHT_X_OR_BOTTOM_Y, 
													BOARD_BUTTON_SIDE, BOARD_BUTTON_SIDE );

           
         

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Question Stats

Zone: Programming

Question Asked By: CharleneS77

Solution Provided By: objects

Participating Experts: 2

Solution Grade: A

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05.07.2008 at 04:59PM PDT, ID: 21521357

Rank: Wizard

orangehead911:

You add the buttons to the content pane starting with the top left most button, then going row by row from left to right until you've added all the buttons.

05.07.2008 at 05:03PM PDT, ID: 21521367

CharleneS77:

I already do have my buttons on the pane (at the locations shown in the code above) and they are working perfectly. How would I use a gridLayout to achieve the same setup?

05.07.2008 at 05:12PM PDT, ID: 21521403

Rank: Genius

objects:

you don't specify the location usong a GridLayout.
The GridLayout handles setting the bounds by sizing the 9 buttons to equally fill the space available to it.

Accepted Solution

05.07.2008 at 05:14PM PDT, ID: 21521408

Rank: Genius

objects:

http://java.sun.com/docs/books/tutorial/uiswing/layout/grid.html

05.07.2008 at 05:17PM PDT, ID: 21521419

CharleneS77:

OK, I understand. My buttons are declared in my TicTacToeBoard class. I am adding the buttons to the boardPanel object of my BoardPanel class in the code below. Should GridLayout be declared and instantiated in my BoardPanel class (which I have tried without success)?

                       
                                //GridLayout buttons = new GridLayout( 3, 3, 10, 10 );
							
for( int squareNumber = ONE; squareNumber < TEN; squareNumber++ )
{
	boardPanel.add( boardButton[ squareNumber ] );
}

Open in New Window

05.07.2008 at 05:23PM PDT, ID: 21521447

CharleneS77:

I'll clarify my last statement. My buttons are declared in my TicTacToeBoard class. An instance of my BoardPanel class (boardPanel) is also declared and instantiated in my TicTacToeBoard class. How would I use the GridLayout to add the buttons to boardPanel? Or would it be better to move the buttons to the BoardPanel class?

05.07.2008 at 05:25PM PDT, ID: 21521461

Rank: Genius

objects:

boardPanel.setLayout(new GridLayout(3,3));
// now add your buttons to boardPanel

Assisted Solution

05.07.2008 at 05:46PM PDT, ID: 21521547

CharleneS77:

The buttons are successfully added to the boardPanel, but my spacing is off. I have attached two screenshots. The first screenshot shows what I am able to do without the GridLayout (using the code in my initial post). The second screenshot shows the buttons on the boardPanel using the GridLayout. Is it possible to use the GridLayout and achieve the same spacing I had originially?

buttonsManuallySpaced.bmp (1.6 MB) (File Type Details)

Buttons without GridLayout

buttonsGridLayout.bmp (1.6 MB) (File Type Details)

Buttons with GridLayout

05.07.2008 at 08:48PM PDT, ID: 21522185

CharleneS77:

You'll have to forgive me. Sometimes I get my mind set on one of the details, and it takes me a while to step back and take another look at the big picture.

So now the GridLayout is working. The only thing I needed to do is go to my BoardPanel and reposition the lines on the board so they would be centered between the GridLayout positions of the squares.

objects, thank you for the straightforward answers.

objects

05.07.2008 at 08:53PM PDT, ID: 21522209

sorry got sidetracked. Use a Border on your buttons to achieve that.

20080236-EE-VQP-29 / EE_QW_2_20070628