void MainScene::toSendUndo(void)
{
if (m_who_am_i != m_current) return;
if (ui->undoButton->property("clickStatus").toString()
== "rejected") return;
emit requestUndo();
ui->undoButton->setProperty("clickStatus", "sent");
ui->undoButton->style()->unpolish(ui->undoButton);
ui->undoButton->style()->polish(ui->undoButton);
ui->undoButton->update();
}
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);
}
}