Mega Code Archive
Creating a JTable with rows of variable height
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import java.awt.Color;
import java.awt.Component;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
public class Main {
public static void main(String[] argv) {
JFrame demoFrame = new JFrame("Variable Row Height Table Demo");
StringTableModel imageTableModel = new StringTableModel();
JTable imageTable = new JTable(imageTableModel);
imageTable.getColumnModel().getColumn(0).setCellRenderer(new VariableRowHeightRenderer());
demoFrame.getContentPane().add(new JScrollPane(imageTable));
demoFrame.pack();
demoFrame.setVisible(true);
}
}
class VariableRowHeightRenderer extends JLabel implements TableCellRenderer {
public VariableRowHeightRenderer() {
super();
setOpaque(true);
setHorizontalAlignment(JLabel.CENTER);
}
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
if (isSelected) {
setBackground(UIManager.getColor("Table.selectionBackground"));
}
if (hasFocus) {
setBorder(UIManager.getBorder("Table.focusCellHighlightBorder"));
if (table.isCellEditable(row, column)) {
super.setForeground(UIManager.getColor("Table.focusCellForeground"));
super.setBackground(UIManager.getColor("Table.focusCellBackground"));
}
} else {
setBorder(BorderFactory.createEmptyBorder(1, 1, 1, 1));
}
setText((String) (value));
table.setRowHeight(row, getPreferredSize().height + row * 10);
return this;
}
}
class StringTableModel extends AbstractTableModel {
public static final int IMG_COL = 0;
public String[] m_colNames = { "Variable Dimension" };
public Class[] m_colTypes = { String.class };
public StringTableModel() {
super();
}
public int getColumnCount() {
return m_colNames.length;
}
public int getRowCount() {
return 3;
}
public String getColumnName(int col) {
return "" + col;
}
public Object getValueAt(int row, int col) {
return "aa";
}
}
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