cinema-ticket-management-system/ui/main_window/main_window.cpp

#include "main_window.h"

#include "date_time_delegate.h"

// Set up the table view
// #define ENABLE_SELECTION // Uncomment to enable highlighting
#define DISABLE_SELECTION // Uncomment to disable highlighting

MainWindow::MainWindow(qint32 userId, qint32 accessLevel, QWidget *parent)
    : QMainWindow(parent), userId_(userId), accessLevel_(accessLevel) {
  qInfo() << "Initializing main window...";

  setupUi(this);
  configureAllTableViews();
  configureAccessLevel();

  qInfo() << "Main window initialized successfully";
};

void MainWindow::configureAccessLevel() {
  qInfo() << "Configuring access level...";

  if (accessLevel_ < 1) {
    qCritical() << "Access level is less than 1";
    QCoreApplication::quit();
  }

  qInfo() << "Access level is" << accessLevel_;

  // Full access to all system functionalities
  // Manage system settings and user permissions
  // Can perform all actions of lower roles
  if (accessLevel_ < 100) { // Lower than Super Administrator
  }
  // Delete records (sessions, tickets, halls, movies, genres)
  // Modify system-critical data
  // Has all permissions of lower roles
  if (accessLevel_ < 82) { // Lower than Data Administrator
    findChild<QWidget *>("DangerZonePage")->setDisabled(true);
  }
  // Add new sessions, movies, halls, and genres
  // Manage show schedules
  // Has all permissions of lower roles
  if (accessLevel_ < 64) { // Lower than Repertoire Manager
    findChild<QWidget *>("DirectoriesManagementPage")->setDisabled(true);
    findChild<QWidget *>("SessionManagementPage")->setDisabled(true);
  }
  // Edit session, movie, hall, and genre information
  // Adjust ticket prices
  // Has all permissions of lower roles
  if (accessLevel_ < 46) { // Lower than Data Editor
  }
  // View ticket sales
  // View attendance statistics
  // Has all permissions of lower roles
  if (accessLevel_ < 28) { // Lower than Sales Manager
    findChild<QWidget *>("ReportsPage")->setDisabled(true);
  }
  // Sell tickets
  // Ticket refunds
  if (accessLevel_ < 10) { // Lower than Cashier
    findChild<QWidget *>("MainWindow")->setDisabled(true);
  }
  // Nothing

  qInfo() << "Access level configured successfully";
}

void MainWindow::configureAllTableViews() {
  qInfo() << "Configuring all QAbstractItemViews...";

  // Find all QAbstractItemView children
  auto tableViews = findChildren<QAbstractItemView *>();

  for (QAbstractItemView *abstractItemView : tableViews) {

    // Check if the view is a QTableView
    if (auto *tableView = qobject_cast<QTableView *>(abstractItemView)) {
      loadDefaultConfiguration(tableView);
    }
  }

  qInfo() << "All QAbstractItemViews configured successfully";
}

void MainWindow::MainWindow::disableSelection(QTableView *tableView) {
  qInfo() << "Disabling selection for QAbstractItemView:"
          << tableView->objectName();

  // Disable selection
  tableView->setSelectionMode(QAbstractItemView::NoSelection);

  // Clear the selection
  tableView->clearSelection();

  // Disable focus
  tableView->setFocusPolicy(Qt::NoFocus);
}

void enableSelection(QTableView *tableView) {
  qInfo() << "Enabling selection for QAbstractItemView:"
          << tableView->objectName();

  // Set the selection behavior
  tableView->setSelectionBehavior(QAbstractItemView::SelectRows);

  // Set the selection mode
  tableView->setSelectionMode(QAbstractItemView::SingleSelection);
}

void MainWindow::loadDefaultConfiguration(QTableView *tableView) {
  qInfo() << "Loading default configuration for QAbstractItemView:"
          << tableView->objectName();

  DateTimeDelegate *dateTimeDelegate = new DateTimeDelegate(this);

  tableView->setItemDelegate(dateTimeDelegate);

  QHeaderView *horizontalHeader = tableView->horizontalHeader();
  // Disable horizontal header highlight
  horizontalHeader->setHighlightSections(false);
  // Set the horizontal header to resize to contents
  horizontalHeader->setSectionResizeMode(QHeaderView::ResizeToContents);

  tableView->setSortingEnabled(true); // Enable sorting
  tableView->sortByColumn(0, Qt::AscendingOrder);

  // Disable editing
  tableView->setEditTriggers(QAbstractItemView::NoEditTriggers);

  // Set the scroll mode
  tableView->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
  tableView->setHorizontalScrollMode(QAbstractItemView::ScrollPerPixel);

  // Enable alternating row colors
  tableView->setAlternatingRowColors(true);

#ifdef ENABLE_SELECTION
  enableSelection(view);
#elif defined(DISABLE_SELECTION)
  disableSelection(tableView);
#else
#error "Define ENABLE_SELECTION or DISABLE_SELECTION"
#endif
}