javax.swing.JTable#setColumnSelectionInterval ( )源码实例Demo

public static void highLightCell(JTable table, int row, int column) {
	table.setRowSelectionInterval(row, row);
	table.setColumnSelectionInterval(column, column);
	scrollToSelectedRow(table);
}
 

public static void focusRowTable(JTable table, int row) {
	table.setRowSelectionInterval(row, row);
	table.setColumnSelectionInterval(0, table.getColumnCount() - 1);
	scrollToSelectedRow(table);
}
 

public static void focusColumnTable(JTable table, int column) {
	table.setColumnSelectionInterval(column, column);
	table.setRowSelectionInterval(0, table.getColumnCount() - 1);
}
 

public static void focusCellTable(JTable table, int row, int column) {
	table.setRowSelectionInterval(row, row);
	table.setColumnSelectionInterval(column, column);
}
 

private void selectClickedCell(final MouseEvent e) {
	Object source = e.getSource();
	if (source instanceof JTable) {
		JTable jSelectTable = (JTable) source;

		Point point = e.getPoint();
		if (!jSelectTable.getVisibleRect().contains(point)) { //Ignore clickes outside table
			return;
		}

		int clickedRow = jSelectTable.rowAtPoint(point);
		int clickedColumn = jSelectTable.columnAtPoint(point);

		//Rows
		boolean clickInRowsSelection;
		if (jSelectTable.getRowSelectionAllowed()) { //clicked in selected rows?
			clickInRowsSelection = false;
			int[] selectedRows = jSelectTable.getSelectedRows();
			for (int i = 0; i < selectedRows.length; i++) {
				if (selectedRows[i] == clickedRow) {
					clickInRowsSelection = true;
					break;
				}
			}
		} else { //Row selection not allowed - all rows selected
			clickInRowsSelection = true;
		}

		//Column
		boolean clickInColumnsSelection;
		if (jSelectTable.getColumnSelectionAllowed()) { //clicked in selected columns?
			clickInColumnsSelection = false;
			int[] selectedColumns = jSelectTable.getSelectedColumns();
			for (int i = 0; i < selectedColumns.length; i++) {
				if (selectedColumns[i] == clickedColumn) {
					clickInColumnsSelection = true;
					break;
				}
			}
		} else { //Column selection not allowed - all columns selected
			clickInColumnsSelection = true;
		}

		//Clicked outside selection, select clicked cell
		if ( (!clickInRowsSelection || !clickInColumnsSelection) && clickedRow >= 0 && clickedColumn >= 0) {
			jSelectTable.setRowSelectionInterval(clickedRow, clickedRow);
			jSelectTable.setColumnSelectionInterval(clickedColumn, clickedColumn);
		}
	}
}