@Override
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
textLabel.setFont(table.getFont());
textLabel.setText(Objects.toString(value, ""));
textLabel.setBorder(hasFocus ? focusCellHighlightBorder : noFocusBorder);
FontMetrics fm = table.getFontMetrics(table.getFont());
Insets i = textLabel.getInsets();
int swidth =
iconLabel.getPreferredSize().width + fm.stringWidth(textLabel.getText()) + i.left + i.right;
int cwidth = table.getColumnModel().getColumn(column).getWidth();
dim.width = swidth > cwidth ? cwidth : swidth;
if (isSelected) {
textLabel.setOpaque(true);
textLabel.setForeground(table.getSelectionForeground());
textLabel.setBackground(table.getSelectionBackground());
iconLabel.setIcon(sicon);
} else {
textLabel.setOpaque(false);
textLabel.setForeground(table.getForeground());
textLabel.setBackground(table.getBackground());
iconLabel.setIcon(nicon);
}
return panel;
}
private static void setColumnWidths(JTable table, MetricTableSpecification tableSpecification) {
final TableModel model = table.getModel();
final TableColumnModel columnModel = table.getColumnModel();
final List<Integer> columnWidths = tableSpecification.getColumnWidths();
final List<String> columnOrder = tableSpecification.getColumnOrder();
if (columnWidths != null && !columnWidths.isEmpty()) {
final int columnCount = model.getColumnCount();
for (int i = 0; i < columnCount; i++) {
final String columnName = model.getColumnName(i);
final int index = columnOrder.indexOf(columnName);
if (index != -1) {
final Integer width = columnWidths.get(index);
final TableColumn column = columnModel.getColumn(i);
column.setPreferredWidth(width.intValue());
}
}
} else {
final Graphics graphics = table.getGraphics();
final Font font = table.getFont();
final FontMetrics fontMetrics = table.getFontMetrics(font);
final int rowCount = model.getRowCount();
int maxFirstColumnWidth = 100;
for (int i = 0; i < rowCount; i++) {
final String name = (String) model.getValueAt(i, 0);
if (name != null) {
final Rectangle2D stringBounds = fontMetrics.getStringBounds(name, graphics);
final double stringWidth = stringBounds.getWidth();
if (stringWidth > maxFirstColumnWidth) {
maxFirstColumnWidth = (int) stringWidth;
}
}
}
final int allocatedFirstColumnWidth = Math.min(300, maxFirstColumnWidth + 5);
final TableColumn column = columnModel.getColumn(0);
column.setPreferredWidth(allocatedFirstColumnWidth);
}
}
