void Spreadsheet::updateCell(std::string cell_name, std::string cell_contents, SpreadsheetCallbackInterface * caller)
{
pthread_mutex_lock(&lock1);
std::map<std::string, Cell>::iterator cellContents = cells.find(cell_name);
if(cellContents != cells.end())
{
//put the old stuff into the undo stack
std::pair<std::string, std::string> undoElement(cell_name, cellContents->second.getContents());
undoStack.push_back(undoElement);
}
else
{
//push an empty element to the stack.
std::pair<std::string, std::string> undoElement(cell_name, "");
undoStack.push_back(undoElement);
}
//will need to update when cell can take a formula...
cells[cell_name].setContents(cell_contents);
if(cell_contents.substr(0,1).compare("=") == 0 )
{
dependencies.changeCell(cell_name, cell_contents);
bool circular = checkForCircularDependency(cell_name);
if(circular)
{
//do an undo and send out an error
pthread_mutex_unlock(&lock1);
requestUndo();
//send an error
std::cout << "ERROR GOES HERE...NEED TO IMPLEMENT" << std::endl;
caller -> errorCallback(2, "circular dependency");
}
else
{
pthread_mutex_unlock(&lock1);
notifyUsers(cell_name, cell_contents);
}
}
else
{
pthread_mutex_unlock(&lock1);
notifyUsers(cell_name, cell_contents);
}
}
void Notes_Logic::handlerAddComment (int identifier)
{
notifyUsers (identifier, notifyNoteComment);
// If the note status was Done, and a comment is added, mark it Reopened.
Database_Notes database_notes (webserver_request);
string status = database_notes.getRawStatus (identifier);
if (status == "Done") {
database_notes.setStatus (identifier, "Reopened");
}
}
void Spreadsheet::requestUndo()
{
//check if anything is on the stack.
if(undoStack.size() > 0)
{
pthread_mutex_lock(&lock1);
//pop the last action off the stack and apply it.
std::pair<std::string, std::string> undoElement = undoStack.back();
undoStack.pop_back();
//updateCell(undoElement.first, undoElement.second);
cells[undoElement.first].setContents(undoElement.second);
dependencies.changeCell(undoElement.first, undoElement.second);
pthread_mutex_unlock(&lock1);
notifyUsers(undoElement.first, undoElement.second);
}
}
void Notes_Logic::handlerDeleteNote (int identifier)
{
notifyUsers (identifier, notifyNoteDelete);
}
void Notes_Logic::handlerMarkNoteForDeletion (int identifier)
{
notifyUsers (identifier, notifyMarkNoteForDeletion);
}
void Notes_Logic::handlerNewNote (int identifier)
{
notifyUsers (identifier, notifyNoteNew);
}
