//---------------------------------------------------------------------------
//сохраняет текущий проект на диск
void ProjectManager::saveProject(UnicodeString fileName)
{
//открываем файловым поток
TFileStream *fs = new TFileStream(fileName, fmCreate);
try {
//заносим текущий проетк в JSON объект
TJSONObject *js = new TJSONObject();
TJSONArray *criteriaNamesJSON = new TJSONArray();
TJSONArray *alternativeNamesJSON = new TJSONArray();
//добавляем имена критериев
const vector<UnicodeString> &criteriaNames = getCurrentProject().getCriteriaNames();
vector<UnicodeString>::const_iterator iter;
for (iter = criteriaNames.begin(); iter != criteriaNames.end(); ++iter) {
criteriaNamesJSON->Add(*iter);
}
js->AddPair(L"criteriaNames", criteriaNamesJSON);
//добавляем имена альтернатив
const vector<UnicodeString> &alternativeNames = getCurrentProject().getAlternativeNames();
for (iter = alternativeNames.begin(); iter != alternativeNames.end(); ++iter) {
alternativeNamesJSON->Add(*iter);
}
js->AddPair(L"alternativeNames", alternativeNamesJSON);
//добавляем оценки критериев (баллы и рассчитаныый рейтинг(приоритеты))
Estimates &criteriaEstimates = currentProject->getCriteriaEstimates();
vector< vector<int> > &rates = criteriaEstimates.getRates();
vector<double> &priorities = criteriaEstimates.getPriorities();
TJSONObject *crteriaEstimatesJSON = new TJSONObject();
TJSONArray *crteriaEstimatesArray = new TJSONArray();
for (int i = 0; i < priorities.size(); ++i) {
crteriaEstimatesArray->Add(FloatToStr(priorities[i]));
}
crteriaEstimatesJSON->AddPair(L"priorities", crteriaEstimatesArray);
TJSONArray *crteriaRatesTable = new TJSONArray();
for (int i = 0; i < rates.size(); ++i) {
vector<int> &v = rates[i];
TJSONArray *crteriaRatesRow = new TJSONArray();
for (int j = 0; j < v.size(); ++j) {
crteriaRatesRow->Add(IntToStr(v[j]));
}
crteriaRatesTable->Add(crteriaRatesRow);
}
crteriaEstimatesJSON->AddPair(L"rates", crteriaRatesTable);
js->AddPair(L"criteriaEstimates", crteriaEstimatesJSON);
//добавляем оценки альтернатив
vector<Estimates> alternativeEstimates = getCurrentProject().getAlternativeEstimates();
TJSONArray *tableData = new TJSONArray();
for (int i = 0; i < alternativeEstimates.size(); i++) {
TJSONObject *alternativeEstimatesJSON = new TJSONObject();
TJSONArray *prioritiesJSON = new TJSONArray();
const vector<double> &priorities = alternativeEstimates[i].getPriorities();
for (int j = 0; j < priorities.size(); j++) {
prioritiesJSON->Add(FloatToStr(priorities[j]));
}
alternativeEstimatesJSON->AddPair("priorities", prioritiesJSON);
vector< vector<int> > &rates = alternativeEstimates[i].getRates();
TJSONArray *alternativeRatesTable = new TJSONArray();
for (int j = 0; j < rates.size(); ++j) {
vector<int> &v = rates[j];
TJSONArray *alternativeRatesRow = new TJSONArray();
for (int k = 0; k < v.size(); ++k) {
alternativeRatesRow->Add(IntToStr(v[k]));
}
alternativeRatesTable->Add(alternativeRatesRow);
}
alternativeEstimatesJSON->AddPair(L"rates", alternativeRatesTable);
tableData->AddElement(alternativeEstimatesJSON);
}
js->AddPair(L"alternativeEstimates", tableData);
//сохраняем имя и метод
js->AddPair(L"projectName", getCurrentProject().getName());
js->AddPair(L"method", IntToStr(getCurrentProject().getMethod()));
//сохраняем JSON объект в файл как строку
UnicodeString projectJSON = js->ToString();
fs->Write(projectJSON.BytesOf(), projectJSON.Length());
js->Free();
//устанавливаем, что проект сохранён
setIsCurrentProjectSaved(true);
} __finally {
fs->Free();
}
}
//---------------------------------------------------------------------------
//загрузка проекта из файла, действия аналогичные, что и в сохранении, только
//в обратном порядке(парсим JSON объект и заполняем пустой проект)
Project & ProjectManager::loadProject(UnicodeString fileName)
{
TFileStream *fs = new TFileStream(fileName, fmOpenRead);
try {
int n = fs->Size;
char *chars = new char[n+1];
fs->Read(chars, n);
chars[n] = '\0';
UnicodeString str(chars);
TJSONObject *js = (TJSONObject*) TJSONObject::ParseJSONValue(str);
closeProject();
currentProject = new Project();
TJSONArray *criteriaNamesJSON = (TJSONArray*) js->Get(L"criteriaNames")->JsonValue;
vector<UnicodeString> &criteriaNames= getCurrentProject().getCriteriaNames();
for (int i = 0; i < criteriaNamesJSON->Size(); ++i) {
criteriaNames.push_back(criteriaNamesJSON->Get(i)->Value());
}
TJSONArray *alternativeNamesJSON = (TJSONArray*) js->Get(L"alternativeNames")->JsonValue;
vector<UnicodeString> &alternativeNames = getCurrentProject().getAlternativeNames();
for (int i = 0; i < alternativeNamesJSON->Size(); ++i) {
alternativeNames.push_back(alternativeNamesJSON->Get(i)->Value());
}
TJSONObject *crteriaEstimatesJSON = (TJSONObject*) js->Get(L"criteriaEstimates")->JsonValue;
TJSONArray *crteriaEstimatesArray = (TJSONArray*) crteriaEstimatesJSON->Get(L"priorities")->JsonValue;
Estimates &criteriaEstimates = currentProject->getCriteriaEstimates();
vector<double> &priorities = criteriaEstimates.getPriorities();
for (int i = 0; i < crteriaEstimatesArray->Size(); ++i) {
priorities.push_back(StrToFloat(crteriaEstimatesArray->Get(i)->Value()));
}
TJSONArray *crteriaRatesTable = (TJSONArray*) crteriaEstimatesJSON->Get(L"rates")->JsonValue;
vector< vector<int> > &rates = criteriaEstimates.getRates();
for (int i = 0; i < crteriaRatesTable->Size(); ++i) {
vector<int> v;
TJSONArray *crteriaRatesRow = (TJSONArray*) crteriaRatesTable->Get(i);
for (int j = 0; j < crteriaRatesRow->Size(); ++j) {
v.push_back(StrToInt(crteriaRatesRow->Get(j)->Value()));
}
rates.push_back(v);
}
TJSONArray *alternativeEstimatesJSON = (TJSONArray*) js->Get(L"alternativeEstimates")->JsonValue;
vector<Estimates> &alternativeEstimates = getCurrentProject().getAlternativeEstimates();
for (int i = 0; i < alternativeEstimatesJSON->Size(); ++i) {
TJSONObject *alternativeJSON = (TJSONObject*) alternativeEstimatesJSON->Get(i);
alternativeEstimates.push_back(Estimates());
TJSONArray *prioritiesJSON = (TJSONArray*) alternativeJSON->Get(L"priorities")->JsonValue;
vector<double> &priorities = alternativeEstimates[i].getPriorities();
for (int j = 0; j < prioritiesJSON->Size(); ++j) {
UnicodeString str = prioritiesJSON->Get(j)->Value();
priorities.push_back(StrToFloat(str));
}
TJSONArray *alternativeRatesTable = (TJSONArray*) alternativeJSON->Get(L"rates")->JsonValue;
vector< vector<int> > &rates = alternativeEstimates[i].getRates();
for (int j = 0; j < alternativeRatesTable->Size(); ++j) {
vector<int> v;
TJSONArray *alternativeRatesRow = (TJSONArray*) alternativeRatesTable->Get(j);
for (int k = 0; k < alternativeRatesRow->Size(); ++k) {
v.push_back(StrToInt(alternativeRatesRow->Get(k)->Value()));
}
rates.push_back(v);
}
}
getCurrentProject().setName(js->Get(L"projectName")->JsonValue->Value());
getCurrentProject().setMethod(StrToInt(js->Get(L"method")->JsonValue->Value()));
delete [] chars;
js->Free();
setIsProjectOpen(true);
setIsCurrentProjectSaved(true);
return getCurrentProject();
} __finally {
fs->Free();
}
return getCurrentProject();
}