Java Utililty Methods JTable Cell

void addComboCell(TableColumn column, Object[] items)
add Combo Cell

column.setCellEditor(new DefaultCellEditor(new JComboBox(items)));

void copyCells(JTable table)
copy Cells

StringBuffer sb = new StringBuffer();
int row = table.getSelectedRow();
for (int col : table.getSelectedColumns()) {
 sb.append(table.getValueAt(row, col));
 sb.append("\t");
final StringSelection stsel = new StringSelection(sb.toString());
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(stsel, stsel);
...

Dimension defaultTableCellSize()
JTable cell size, based on global defaults.

JLabel label = new JLabel("miniminiminiminiminiminiminiminiminimini");
UIDefaults defaults = UIManager.getDefaults();
Object font = defaults.get("Table.font");
if (font instanceof Font)
 label.setFont((Font) font);
return label.getPreferredSize();

Rectangle getCellBounds(JTable table, int top, int bottom)
get Cell Bounds

return table.getCellRect(top, 0, true).union(table.getCellRect(bottom, 0, true));

Rectangle getCellRectangle(JTable table, int row, int column)
get Cell Rectangle

Rectangle rectangle = table.getCellRect(row, column, true);
rectangle.setLocation((int) (rectangle.getX() + table.getLocationOnScreen().getX()),
 (int) (rectangle.getY() + table.getLocationOnScreen().getY()));
return rectangle;

String getColumnNames(JTable table, String lineBreak, String cellBreak)
get Column Names

StringBuilder headerColumnsSB = new StringBuilder();
for (int i = 0; i < table.getTableHeader().getColumnModel().getColumnCount(); i++) {
 Object headerColumn = table.getColumnName(i);
 headerColumnsSB.append(headerColumn == null ? "" : headerColumn.toString());
 if (i != table.getTableHeader().getColumnModel().getColumnCount() - 1) {
 headerColumnsSB.append(cellBreak);
String headerColumns = headerColumnsSB.toString() + lineBreak;
return headerColumns;

String getContent(JTable table, String lineBreak, String cellBreak, int columnCount, int rowCount, int[] selectedRowsCount, int[] selectedColumsCount)
get Content

if (columnCount > 0 && rowCount > 0) {
 StringBuffer value = new StringBuffer();
 for (int i = 0; i < rowCount; i++) {
 for (int j = 0; j < columnCount; j++) {
 value.append(escapeContentBreaks(table.getValueAt(selectedRowsCount[i], selectedColumsCount[j]),
 lineBreak, cellBreak));
 if (j < columnCount - 1) {
 value.append(cellBreak);
...

String getCurrentSelectionContent(JTable table, String lineBreak, String cellBreak)
Gets the content of current JTable selection as String or returns null, if the selection is invalid.

int numCols = table.getSelectedColumnCount();
int numRows = table.getSelectedRowCount();
int[] rowsSelected = table.getSelectedRows();
int[] colsSelected = table.getSelectedColumns();
return getContent(table, lineBreak, cellBreak, numCols, numRows, rowsSelected, colsSelected);

int getIntercellWidth(JTable table)
get Intercell Width

return (int) table.getIntercellSpacing().getWidth();

Color getTableFocusCellForeground()
get Table Focus Cell Foreground

return UIManager.getColor("Table.focusCellForeground");