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);
}
public void actionPerformed(ActionEvent event) {
JGrid grid = (JGrid) event.getSource();
if (!grid.hasFocus()) {
CellEditor cellEditor = grid.getCurrentCellEditor();
if ((cellEditor != null) && !cellEditor.stopCellEditing()) {
return;
}
grid.requestFocus();
}
SelectionModel selectionModel = grid.getSelectionModel();
Cell selectedCell = selectionModel.getSelectedCell();
int row = selectedCell.getRow();
int column = selectedCell.getColumn();
grid.editCellAt(row, column, null);
Component editorComponent = grid.getEditorComponent();
if (editorComponent != null) {
editorComponent.requestFocus();
}
}
public void actionPerformed(ActionEvent event) {
JGrid grid = (JGrid) event.getSource();
if (grid.isEditing() && !grid.getCurrentCellEditor().stopCellEditing()) {
return;
}
SelectionModel selectionModel = grid.getSelectionModel();
List<Cell> selectedCells = selectionModel.getSelectedCells();
int selectedCount = selectedCells.size();
if (selectedCount == 0) {
return;
}
Cell firstSelectedCell = selectionModel.getSelectedCell();
Cell lastSelectedCell = selectionModel.getLastSelectedCell();
int row = lastSelectedCell.getRow();
int column = lastSelectedCell.getColumn();
if (shiftPressed) {
if (shiftRegion == null) {
shiftRegion = new SelectionRegion();
shiftRegion.setFirstRow(row);
shiftRegion.setFirstColumn(column);
shiftRegion.setLastRow(row);
shiftRegion.setLastColumn(column);
}
boolean nextSelection = true;
if ((dx == 1) && (column < grid.getColumnCount() - 1)) {
column++;
} else if ((dx == -1) && (column > 0)) {
column--;
} else if ((dy == 1) && (row < grid.getRowCount() - 1)) {
row++;
} else if ((dy == -1) && (row > 0)) {
row--;
} else {
nextSelection = false;
}
if (nextSelection) {
GridSelectionAlgorithm selectionAlgorithm = new GridSelectionAlgorithm(grid);
selectionAlgorithm.update(
row,
column,
firstSelectedCell.getRow(),
firstSelectedCell.getColumn(),
lastSelectedCell.getRow(),
lastSelectedCell.getColumn(),
shiftRegion);
selectionRegionChanged(grid, shiftRegion, false);
// because the selectionModel is cleared and made from scratch
// keep a reference to first and last selected cells
selectionModel.setFirstCell(firstSelectedCell);
selectionModel.setLastCell(new Cell(row, column));
}
} else {
shiftRegion = null;
SpanModel spanModel = grid.getSpanModel();
if (spanModel.isCellSpan(row, column)) {
CellSpan span = spanModel.getSpanOver(row, column);
row = span.getRow();
column = span.getColumn();
if ((dx > 0) && (span.getColumnCount() > 1)) {
column = span.getLastColumn();
}
if ((dy > 0) && (span.getRowCount() > 1)) {
row = span.getLastRow();
}
}
row = clipToRange(row + dy, 0, grid.getRowCount());
column = clipToRange(column + dx, 0, grid.getColumnCount());
selectionModel.clearSelection();
if (!grid.isCellSpan(row, column)) {
selectionModel.addSelectionCell(new Cell(row, column));
} else {
CellSpan span = spanModel.getSpanOver(row, column);
List<Cell> cells = new ArrayList<Cell>();
for (int i = 0; i < span.getRowCount(); i++) {
for (int j = 0; j < span.getColumnCount(); j++) {
cells.add(new Cell(span.getRow() + i, span.getColumn() + j));
}
}
selectionModel.addSelectionCells(cells);
}
}
}