public void showAllCandidates() {
for (int row = 0; row < grid.getCellsPerEdge(); row++) {
for (int col = 0; col < grid.getCellsPerEdge(); col++) {
showCandidates(row, col);
}
}
notifyObservers();
}
public void solve() {
boolean result;
result = grid.solve();
if (result) {
statusLine = "The Sudoku was solved successfully";
} else {
statusLine = "Can not solve this Sudoku within " + grid.getSteps() + " steps";
}
notifyObservers();
}
public void setValue(int row, int column, int value) {
ICell cell = grid.getICell(row, column);
if (cell.isUnSet()) {
cell.setValue(value);
undoManager.addEdit(new SetValueCommand(cell));
statusLine = "The cell " + cell.mkString() + " was successfully set";
} else {
statusLine = "The cell " + cell.mkString() + " is already set";
}
notifyObservers();
}
public void paste() {
Transferable transferable = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.stringFlavor)) {
String input;
try {
input = (String) transferable.getTransferData(DataFlavor.stringFlavor);
grid.parseStringToGrid(input);
} catch (UnsupportedFlavorException e1) {
statusLine = "Could not read from Clipboard";
} catch (IOException e1) {
statusLine = "Could not read from Clipboard";
}
}
statusLine = "Pasted Sudoku";
notifyObservers();
}
public void reset() {
grid.reset();
statusLine = "Sudoku was reset";
notifyObservers();
}
@Override
public void parseStringToGrid(String gridString) {
grid.parseStringToGrid(gridString);
notifyObservers();
}
public boolean isCandidate(int row, int column, int candidate) {
return grid.candidates(row, column).get(candidate);
}
public boolean isShowCandidates(int row, int column) {
return grid.getICell(row, column).isShowCandidates();
}
public boolean isHighlighted(int row, int column) {
return grid.candidates(row, column).get(highlighted);
}
public int getBlockSize() {
return grid.getBlockSize();
}
public int blockAt(int row, int column) {
return grid.blockAt(row, column);
}
public int getCellsPerRow() {
return grid.getCellsPerEdge();
}
public void showCandidates(int row, int column) {
grid.getICell(row, column).toggleShowCandidates();
BitSet set = grid.candidates(row, column);
statusLine = "Candidates at (" + row + "," + column + ") are " + set.toString();
notifyObservers();
}
public int getValue(int row, int column) {
return grid.getICell(row, column).getValue();
}
public void create() {
grid.create();
highlighted = 0;
statusLine = "New Sudoku Puzzle created";
notifyObservers();
}
public boolean isSet(int row, int column) {
return grid.getICell(row, column).isSet();
}
public String getGridString() {
return grid.toString();
}
public void copy() {
StringSelection gridString = new StringSelection(grid.toString("0"));
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(gridString, null);
statusLine = "Copied Sudoku";
notifyObservers();
}