public void mouseDragged(MouseEvent e) {
if (shouldIgnore(e)) {
return;
}
repostEvent(e);
CellEditor editor = grid.getCurrentCellEditor();
if (editor == null || editor.shouldSelectCell(e)) {
Point p = e.getPoint();
int row = grid.rowAtPoint(p);
int column = grid.columnAtPoint(p);
// The autoscroller can generate drag events outside the Table's range.
if ((column == -1) || (row == -1)) {
return;
}
grid.changeSelection(row, column, false, true);
}
}
public void mouseDragged(MouseEvent event) {
// System.out.println("MouseInputHandler.mouseDragged()");
if (shouldIgnore(event)) {
return;
}
// if CTRL is pressed we are not interested in mouse drag events
if (event.isControlDown()) {
return;
}
repostEvent(event);
CellEditor editor = grid.getCurrentCellEditor();
if (editor == null || editor.shouldSelectCell(event)) {
Point p = event.getPoint();
if (startPoint == null) {
startPoint = p;
}
if (previousPoint == null) {
previousPoint = p;
}
int row = grid.rowAtPoint(p);
int column = grid.columnAtPoint(p);
// The autoscroller can generate drag events outside the Grid's range.
if ((column == -1) || (row == -1)) {
return;
}
// update selectionRegion
if (selectionAlgorithm == null) {
// for grid headers
selectionAlgorithm = new GridSelectionAlgorithm(grid);
}
selectionAlgorithm.update(p, startPoint, previousPoint, selectionRegion);
selectionRegionChanged(grid, selectionRegion, false);
previousPoint = p;
}
}