private static void selectionRegionChanged(
JGrid grid, SelectionRegion selectionRegion, boolean add) {
if (!add) {
grid.getSelectionModel().clearSelection();
}
List<Cell> selectedCells = new ArrayList<Cell>();
for (int i = selectionRegion.getFirstRow(); i <= selectionRegion.getLastRow(); i++) {
for (int j = selectionRegion.getFirstColumn(); j <= selectionRegion.getLastColumn(); j++) {
boolean isSpan = grid.getSpanModel().isCellSpan(i, j);
// if (!isSpan) {
Cell cell = new Cell(i, j);
// System.out.println("cell=" + cell);
selectedCells.add(cell);
// } else {
// CellSpan cellSpan = grid.getSpanModel().getSpanOver(i, j);
// if ((cellSpan.getRow() == i) && (cellSpan.getGroupColumn() == j))
// {
// Cell cell = new Cell(i, j);
// System.out.println("cell=" + cell);
// selectedCells.add(cell);
// }
// }
}
}
grid.getSelectionModel().addSelectionCells(selectedCells);
}
private void adjustFocusAndSelection(MouseEvent event) {
if (shouldIgnore(event)) {
return;
}
Point point = event.getPoint();
int row = grid.rowAtPoint(point);
int column = grid.columnAtPoint(point);
// The autoscroller can generate drag events outside range.
if ((column == -1) || (row == -1)) {
System.err.println("Out of bounds");
return;
}
if (grid.editCellAt(row, column, event)) {
setDispatchComponent(event);
repostEvent(event);
} else {
grid.requestFocus();
}
// System.out.println("^^^^^ "+selectionRegion);
if (selectionRegion == null) {
selectionRegion = new SelectionRegion();
selectionRegion.setFirstRow(row);
selectionRegion.setFirstColumn(column);
selectionRegion.setLastRow(row);
selectionRegion.setLastColumn(column);
} else {
// for shift pressed
if (row > selectionRegion.getFirstRow()) {
selectionRegion.setLastRow(row);
}
if (row < selectionRegion.getFirstRow()) {
selectionRegion.setLastRow(selectionRegion.getFirstRow());
selectionRegion.setFirstRow(row);
}
if (row == selectionRegion.getFirstRow()) {
selectionRegion.setLastRow(row);
}
if (column > selectionRegion.getFirstColumn()) {
selectionRegion.setLastColumn(column);
}
if (column < selectionRegion.getFirstColumn()) {
selectionRegion.setLastColumn(selectionRegion.getFirstColumn());
selectionRegion.setFirstColumn(column);
}
if (column == selectionRegion.getFirstColumn()) {
selectionRegion.setLastColumn(column);
}
}
// System.out.println(">>>> " + selectionRegion);
Iterator<CellSpan> it = grid.getSpanModel().getSpanIterator();
while (it.hasNext()) {
CellSpan span = it.next();
if (span.getLastRow() >= selectionRegion.getFirstRow()
&& span.getFirstRow() <= selectionRegion.getLastRow()
&& span.getLastColumn() >= selectionRegion.getFirstColumn()
&& span.getFirstColumn() <= selectionRegion.getLastColumn()) {
selectionRegion.setFirstRow(Math.min(selectionRegion.getFirstRow(), span.getFirstRow()));
selectionRegion.setLastRow(Math.max(selectionRegion.getLastRow(), span.getLastRow()));
selectionRegion.setFirstColumn(
Math.min(selectionRegion.getFirstColumn(), span.getFirstColumn()));
selectionRegion.setLastColumn(
Math.max(selectionRegion.getLastColumn(), span.getLastColumn()));
}
}
GridCellEditor editor = grid.getCurrentCellEditor();
if ((editor == null) || editor.shouldSelectCell(event)) {
// Update selection model
setValueIsAdjusting(true);
if (event.isControlDown()) {
if (grid.getSelectionModel().isSelected(row, column)) {
Cell cell = new Cell(row, column);
boolean isSpan = grid.getSpanModel().isCellSpan(row, column);
if (isSpan) {
// System.out.println("--isSpan");
CellSpan cellSpan = grid.getSpanModel().getSpanOver(row, column);
for (int i = cellSpan.getFirstRow(); i <= cellSpan.getLastRow(); i++) {
for (int j = cellSpan.getFirstColumn(); j <= cellSpan.getLastColumn(); j++) {
grid.getSelectionModel().removeSelectionCell(new Cell(i, j));
}
}
} else {
grid.getSelectionModel().removeSelectionCell(cell);
}
} else {
selectionRegionChanged(grid, selectionRegion, true);
}
} else {
selectionRegionChanged(grid, selectionRegion, false);
}
}
}