Swing Hacks

Make Different List Items Look Different #16

Chapter 2, Lists and Combos

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75

HACK

// image

imageCellPrototype = new JPanel( );

imageCellPrototype.setLayout (new GridBagLayout( ));

addWithGridBag (new JLabel(imageFileIcon), imageCellPrototype,

0, 0, 1, 2,

GridBagConstraints.WEST,

GridBagConstraints.BOTH, 0, 0);

imageNameLabel = new JLabel( );

imageNameLabel.setFont (nameFont);

addWithGridBag (imageNameLabel, imageCellPrototype,

1, 0, 1, 1,

GridBagConstraints.NORTH,

GridBagConstraints.HORIZONTAL, 1, 0);

imageSizeLabel = new JLabel( );

addWithGridBag (imageSizeLabel, imageCellPrototype,

1, 1, 1, 1,

GridBagConstraints.SOUTH, GridBagConstraints.HORIZONTAL,

1, 0);

imageIconLabel = new JLabel( );

addWithGridBag (imageIconLabel, imageCellPrototype,

2, 0, 1, 2,

GridBagConstraints.EAST,

GridBagConstraints.VERTICAL, 0, 0);

opacify (imageCellPrototype);

}

private void addWithGridBag (Component comp, Container cont,

int x, int y,

int width, int height,

int anchor, int fill,

int weightx, int weighty) {

GridBagConstraints gbc = new GridBagConstraints( );

gbc.gridx = x;

gbc.gridy = y;

gbc.gridwidth = width;

gbc.gridheight = height;

gbc.anchor = anchor;

gbc.fill = fill;

gbc.weightx = weightx;

gbc.weighty = weighty;

cont.add (comp, gbc);

}

private void opacify (Container prototype) {

Component[] comps = prototype.getComponents( );

for (int i=0; i<comps.length; i++) {

if (comps[i] instanceof JComponent) ...