@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); } }