public void actionPerformed(ActionEvent e) {
JGrid grid = (JGrid) e.getSource();
SelectionModel sm = grid.getSelectionModel();
anchorRow = sm.getAnchorRow();
leadRow = sm.getLeadRow();
anchorColumn = sm.getAnchorColumn();
leadColumn = sm.getLeadColumn();
int oldAnchorRow = anchorRow;
int oldAnchorColumn = anchorColumn;
if (grid.isEditing() && !grid.getCurrentCellEditor().stopCellEditing()) {
return;
}
if (!inSelection) {
moveWithinGridRange(grid, dx, dy, extend);
if (!extend) {
grid.changeSelection(anchorRow, anchorColumn, false, extend);
} else {
grid.changeSelection(leadRow, leadColumn, false, extend);
}
} else {
if (moveWithinSelectedRange(grid, dx, dy, false)) {
grid.changeSelection(anchorRow, anchorColumn, true, true);
} else {
grid.changeSelection(anchorRow, anchorColumn, false, false);
}
}
}
