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databasepage.cpp
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databasepage.cpp
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#include "databasepage.h"
#include "UI/MultiImportDialog/multiimportdialog.h"
#include "UI/StudentEditorDialog/studenteditordialog.h"
#include "qheaderview.h"
#include "ui_databasepage.h"
#include "UI/ErrorUi/errorui.h"
#include <QLabel>
#include <QMenu>
#include <QTableWidget>
namespace ikoOSKAR {
namespace UI {
DatabasePage::DatabasePage(QWidget* parent)
: Common::Page(parent)
, ui(new Ui::DatabasePage)
{
name = new QString("Öğrenci İşlemleri");
ui->setupUi(this);
bll = BLL::DatabaseHelper::getInstance();
connect(bll, &BLL::DatabaseHelper::error, this, &DatabasePage::handleError);
createButtonMenus();
createTabWidget();
}
DatabasePage::~DatabasePage()
{
delete ui;
delete bll;
}
const QString* DatabasePage::getDescription()
{
int nStudents = bll->GetNumberOfStudents();
QString desc("Okul mevcudu: " + QString::number(nStudents));
if (nStudents == 0)
return new QString(desc);
QString currentClass = currentClassname();
int classPopulation = bll->GetStudentsByClassName(currentClass)->count();
return new QString(desc + " ♦ " + currentClass + " sınıf mevcudu: " + QString::number(classPopulation));
}
DatabasePage* DatabasePage::getInstance()
{
if (instance == nullptr) {
instance = new DatabasePage();
}
return instance;
}
void DatabasePage::actionAddSingle_clicked()
{
auto classAndSection = bll->ParseClassName(currentClassname());
Student* dummyStudent = new Student();
dummyStudent->grade = classAndSection.first;
dummyStudent->section = classAndSection.second;
StudentEditorDialog dialog(StudentEditorDialog::ADD, this, dummyStudent);
if (dialog.exec() != QDialog::Rejected) {
refresh();
}
}
void DatabasePage::actionAddMulti_clicked()
{
MultiImportDialog dialog(this);
if (dialog.exec() != QDialog::Rejected) {
refresh();
}
}
void DatabasePage::on_btnEdit_clicked()
{
auto* tableWidget = (QTableWidget*)ui->tabWidget->currentWidget();
if (tableWidget == nullptr) {
QMessageBox::information(this, "Öğrenci Veri Tabanı Boş", "Hata: Öğrenci veri tabanı boş. Düzenlenecek öğrenci bulunamadı!");
return;
}
int selectedId = tableWidget->selectedItems().at(0)->text().toInt();
auto* student = bll->GetStudentById(selectedId);
StudentEditorDialog dialog(StudentEditorDialog::EDIT, this, student);
if (dialog.exec() != QDialog::Rejected) {
refresh();
}
}
void DatabasePage::on_btnDelete_clicked()
{
auto* tableWidget = (QTableWidget*)ui->tabWidget->currentWidget();
if (tableWidget == nullptr) {
QMessageBox::information(this, "Öğrenci Veri Tabanı Boş", "Hata: Öğrenci veri tabanı boş. Silinecek öğrenci bulunamadı!");
return;
}
int selectedId = tableWidget->selectedItems().at(0)->text().toInt();
auto& s = *bll->GetStudentById(selectedId);
QString text = QString("Adı %1,\nSoyadı %2,\nSınıfı %3,\nŞubesi %4 olan\n%5 numaralı "
"öğrenciyi silmek istediğinizden emin misiniz?\n\n BU İŞLEM GERİ ALINAMAZ!")
.arg(s.firstName, s.lastName, QString::number(s.grade), s.section, QString::number(s.id));
auto result = QMessageBox::warning(this, "Silme Onayı", text, QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Cancel);
if (result == QMessageBox::Ok) {
bll->Delete(selectedId);
refresh();
}
}
void DatabasePage::actionEoty_clicked()
{
QString text = "Yıl sonu işlemleri kapsamında bütün öğrenciler bir sonraki sınıfa aktarılacak, "
"12. sınıflar ise veri tabanından SİLİNECEKTİR.\nTamam düğmesine tıkladığınız an "
"işlem gerçekleştirilecek ve geri dönüşü olmayacaktır.\nEmin misiniz?";
auto result = QMessageBox::warning(this, "Yıl Sonu İşlemleri", text, QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Cancel);
if (result == QMessageBox::Ok) {
bll->EndOfTheYear();
refresh();
}
}
void DatabasePage::actionRemoveClass_clicked()
{
QString currentClass = currentClassname();
QString text = currentClass + " sınıfındaki bütün öğrenciler veri tabanından silinecektir. "
"Tamam düğmesine tıkladığınız an işlem gerçekleştirilecek ve geri dönüşü olmayacaktır.\n"
"Emin misiniz?";
auto result = QMessageBox::warning(this, "Bu Sınıftaki Bütün Öğrencileri Sil", text, QMessageBox::Ok | QMessageBox::Cancel, QMessageBox::Cancel);
if (result == QMessageBox::Ok) {
bll->DeleteEntireClass(currentClass);
refresh();
}
}
void DatabasePage::handleError(const QString& errorMessage)
{
const QString errorTitle = "Öğrenci İşlemlerinde Hata Oluştu";
ErrorUi(errorTitle).displayMessage(errorMessage);
}
void DatabasePage::createButtonMenus()
{
QIcon icon(":/option-bullet.png");
QMenu* menuAdd = new QMenu();
QAction* addSingle = new QAction("Öğrenci Bilgilerini Elle Gir");
addSingle->setIcon(icon);
connect(addSingle, &QAction::triggered, this, &DatabasePage::actionAddSingle_clicked);
QAction* addMulti = new QAction("Öğrenci Bilgilerini Excel Dosyasından Çek");
addMulti->setIcon(icon);
connect(addMulti, &QAction::triggered, this, &DatabasePage::actionAddMulti_clicked);
menuAdd->addAction(addSingle);
menuAdd->addAction(addMulti);
//ui->btnAdd->setMenu(menuAdd);
connect(ui->btnAdd, &QPushButton::pressed, this, [=](){
ui->btnAdd->setDown(true);
QPoint popupPos = ui->frmButtons->mapToGlobal(ui->btnAdd->geometry().bottomLeft());
menuAdd->exec(popupPos);
});
connect(menuAdd, &QMenu::aboutToHide, this, [&]() {
ui->btnAdd->setDown(false);
});
QMenu* menuMore = new QMenu();
QAction* eotyAction = new QAction("Yıl sonu işlemlerini yap");
eotyAction->setIcon(icon);
connect(eotyAction, &QAction::triggered, this, &DatabasePage::actionEoty_clicked);
QAction* removeClassAction = new QAction("Bu sınıftaki bütün öğrencileri sil");
removeClassAction->setIcon(icon);
connect(removeClassAction, &QAction::triggered, this, &DatabasePage::actionRemoveClass_clicked);
menuMore->addAction(eotyAction);
menuMore->addAction(removeClassAction);
//ui->btnMore->setMenu(menuMore);
connect(ui->btnMore, &QPushButton::pressed, this, [=](){
ui->btnMore->setDown(true);
QPoint popupPos = ui->frmButtons->mapToGlobal(ui->btnMore->geometry().bottomLeft());
menuMore->exec(popupPos);
});
connect(menuMore, &QMenu::aboutToHide, this, [&]() {
ui->btnMore->setDown(false);
});
}
DatabasePage::ClassTable::ClassTable(QList<Student*>* students)
{
setEditTriggers(QAbstractItemView::NoEditTriggers);
setAlternatingRowColors(false);
setVerticalScrollMode(QTableWidget::ScrollPerPixel);
setHorizontalScrollMode(QTableWidget::ScrollPerPixel);
setSelectionMode(QAbstractItemView::SingleSelection);
setSelectionBehavior(QAbstractItemView::SelectRows);
setShowGrid(true);
setGridStyle(Qt::SolidLine);
setCornerButtonEnabled(false);
setRowCount(students->count());
setColumnCount(3);
horizontalHeader()->setStretchLastSection(true);
verticalHeader()->setVisible(false);
horizontalHeader()->setMinimumSectionSize(150);
setHorizontalHeaderLabels({ "Okul No ", "Adı", "Soyadı" });
for (int i = 0; i < rowCount(); i++) {
auto* student = students->at(i);
auto* idItem = new QTableWidgetItem();
idItem->setData(Qt::DisplayRole, student->id);
setItem(i, 0, idItem);
setItem(i, 1, new QTableWidgetItem(student->firstName, 0));
setItem(i, 2, new QTableWidgetItem(student->lastName, 0));
}
setSortingEnabled(true);
sortItems(0, Qt::AscendingOrder);
horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
if (students->count() > 0) {
selectRow(0);
}
}
void DatabasePage::createTabWidget()
{
auto* classNames = bll->GetClassNames();
auto* tabWidget = ui->tabWidget;
// Temporarily disable the refresh signal
disconnect(tabWidget, &QTabWidget::currentChanged, nullptr, nullptr);
tabWidget->clear();
for (int i = 0; i < classNames->count(); i++) {
const auto& className = classNames->value(i);
auto students = bll->GetStudentsByClassName(className);
QWidget* tableWidget = new ClassTable(students);
tabWidget->insertTab(i, tableWidget, className);
tableWidget->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
connect(tableWidget, &QWidget::customContextMenuRequested, this, &DatabasePage::createStudentContextMenu);
}
ui->btnDelete->setVisible(!classNames->empty());
ui->btnEdit->setVisible(!classNames->empty());
ui->btnMore->setVisible(!classNames->empty());
// Enable the signal back
connect(tabWidget, &QTabWidget::currentChanged, this, [&]() {
emit descriptionUpdated(*getDescription());
});
}
void ikoOSKAR::UI::DatabasePage::createStudentContextMenu()
{
QMenu menuStudent;
QAction edit("Öğrenci Bilgilerini Düzenle");
edit.setIcon(QIcon(":/edit.png"));
connect(&edit, &QAction::triggered, this, &DatabasePage::on_btnEdit_clicked);
menuStudent.addAction(&edit);
QAction del("Öğrenciyi Sil");
del.setIcon(QIcon(":/remove.png"));
connect(&del, &QAction::triggered, this, &DatabasePage::on_btnDelete_clicked);
menuStudent.addAction(&del);
menuStudent.exec(QCursor::pos());
}
QString DatabasePage::currentClassname()
{
int idx = ui->tabWidget->currentIndex();
QString currentClass = ui->tabWidget->tabText(idx).remove("&");
return currentClass;
}
void DatabasePage::refresh()
{
int index = ui->tabWidget->currentIndex();
createTabWidget();
ui->tabWidget->setCurrentIndex(index);
emit descriptionUpdated(*getDescription());
}
} // namespace UI
} // namespace ikoOSKAR