Removing JButton Border and Fitting ImageButton inside

Question

I have a grid layout on which I have added 100 Jbuttons.Now I require to have the buttons without any margin or gap among them.What I tried is here :

private void initializeBoard() {
    container = getContentPane();
    container.setLayout(new GridLayout(1,2));
    boardPanel = new JPanel(new GridLayout(10,10));
    dataPanel = new JPanel();

    int index = 0;
    for(int i=0;i<BOARD_SIZE;i++){
        for(int j=0;j<BOARD_SIZE;j++){
            squares[i][j] = new JButton(String.valueOf(numbers[index]));
            squares[i][j].addActionListener(this);

            squares[i][j].setMargin(new Insets(0,0,0,0));
            squares[i][j].setBorder(BorderFactory.createEmptyBorder());
            squares[i][j].setBorderPainted(false);
            squares[i][j].setContentAreaFilled(false);
            squares[i][j].setFocusPainted(true);
            squares[i][j].setIcon(new ImageIcon("images/board/"+numbers[index++]+".jpg"));

            boardPanel.add(squares[i][j]);
        }
    }
    boardPanel.setBorder(BorderFactory.createEmptyBorder());
    container.add(boardPanel);
    container.add(dataPanel);
}

But the result is like this.I still get vertical gaps among the buttons.

I need to eliminate this gaps so that I get no gaps among the buttons and get the buttons to represent the whole board.

Thanks in advance.

EDIT Got it.The images I was using was not wide enough to fill those areas.Thanks.

You're most likely setting size somewhere and not allowing the container that holds the JButton grid to go to its preferred size. — Hovercraft Full Of Eels, Jan 30 '16 at 15:39
I have added the full class in the bottom of my question.Can you please check and confirm where I did wrong? — Shaheed, Jan 30 '16 at 15:44
Get rid of all setSize and call `pack()` on your main JFrame after adding all components and see what happens. — Hovercraft Full Of Eels, Jan 30 '16 at 15:49

score 0 · Accepted Answer · answered Jan 30 '16 at 15:56

0

Got it.The images I was using was not wide enough to fill those areas.Thanks.

answered Jan 30 '16 at 15:56

Shaheed

45
5

score -1 · Answer 2 · answered Jan 30 '16 at 15:43

-1

You can also use setVgap(0), setHgap(0) to set the Vertical and Horizontal gap to zero.

Cheers!

answered Jan 30 '16 at 15:43

Yohannes Gebremariam

2,225
3
17
23

JButton does not have setVgap or setVerticalGap method.Can you please elaborate? – Shaheed Jan 30 '16 at 15:47
@sdewan64: the GridLayout has these properties, but they should **already be zero by default**. – Hovercraft Full Of Eels Jan 30 '16 at 15:49

Removing JButton Border and Fitting ImageButton inside

2 Answers2