CalendarDemo

 // Copyright (C) 2026 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 #include "eventoccurrenceeditpage.h"

 #include <QtWidgets>
 #include <QtOrganizer/qorganizer.h>

 QTORGANIZER_USE_NAMESPACE

 EventOccurrenceEditPage::EventOccurrenceEditPage(QWidget *parent)
     :QWidget(parent),
     m_manager(0),
     scrollAreaLayout(0),
     m_typeComboBox(0),
     m_subjectEdit(0),
     m_countSpinBox(0),
     m_repeatUntilDate(0)
 {
     //create asynch request to save an item
     m_saveItemRequest = new QOrganizerItemSaveRequest(this);
     // Create widgets
     QLabel *subjectLabel = new QLabel("Subject:", this);
     m_subjectEdit = new QLineEdit(this);
     QLabel *startTimeLabel = new QLabel("Start time:", this);
     m_startTimeEdit = new QDateTimeEdit(this);
     m_startTimeEdit->setDisplayFormat(QString("yyyy-MM-dd hh:mm:ss AP"));
     QLabel *endTimeLabel = new QLabel("End time:", this);
     m_endTimeEdit = new QDateTimeEdit(this);
     m_endTimeEdit->setDisplayFormat(QString("yyyy-MM-dd hh:mm:ss AP"));

     // Add push buttons
     QHBoxLayout* hbLayout = new QHBoxLayout();
     QPushButton *okButton = new QPushButton("Ok", this);
     connect(okButton, &QPushButton::clicked, this, &EventOccurrenceEditPage::saveOrNextClicked);
     hbLayout->addWidget(okButton);
     QPushButton *cancelButton = new QPushButton("Cancel", this);
     connect(cancelButton, &QPushButton::clicked, this, &EventOccurrenceEditPage::cancelClicked);
     hbLayout->addWidget(cancelButton);

     scrollAreaLayout = new QVBoxLayout();
     scrollAreaLayout->addWidget(subjectLabel);
     scrollAreaLayout->addWidget(m_subjectEdit);
     scrollAreaLayout->addWidget(startTimeLabel);
     scrollAreaLayout->addWidget(m_startTimeEdit);
     scrollAreaLayout->addWidget(endTimeLabel);
     scrollAreaLayout->addWidget(m_endTimeEdit);
     scrollAreaLayout->addStretch();
     scrollAreaLayout->addLayout(hbLayout);

     QScrollArea *scrollArea = new QScrollArea(this);
     scrollArea->setWidgetResizable(true);
     QWidget *formContainer = new QWidget(scrollArea);
     formContainer->setLayout(scrollAreaLayout);
     scrollArea->setWidget(formContainer);

     QVBoxLayout *mainLayout = new QVBoxLayout();
     mainLayout->addWidget(scrollArea);
     setLayout(mainLayout);

     m_countFieldAdded = false;
     m_multipleEntries = false;
     m_listOfEvents.clear();
 }

 EventOccurrenceEditPage::~EventOccurrenceEditPage()
 {

 }

 void EventOccurrenceEditPage::eventOccurrenceChanged(QOrganizerManager *manager, const QOrganizerEventOccurrence &eventOccurrence)
 {
     m_manager = manager;
     m_organizerEventOccurrence = eventOccurrence;
     m_subjectEdit->setText(eventOccurrence.displayLabel());
     m_startTimeEdit->setDateTime(eventOccurrence.startDateTime());
     m_endTimeEdit->setDateTime(eventOccurrence.endDateTime());
 }

 void EventOccurrenceEditPage::cancelClicked()
 {
     emit showDayPage();
 }

 void EventOccurrenceEditPage::saveOrNextClicked()
 {
     QDateTime start(m_startTimeEdit->dateTime());
     QDateTime end(m_endTimeEdit->dateTime());
     if (start > end) {
         QMessageBox::warning(this, "Failed!", "Start date is not before end date");
         return;
     }

     m_organizerEventOccurrence.setDisplayLabel(m_subjectEdit->text());
     m_organizerEventOccurrence.setStartDateTime(start);
     m_organizerEventOccurrence.setEndDateTime(end);
     m_listOfEvents.append(m_organizerEventOccurrence);
     if (m_numOfEntiresToBeCreated > 1) {
         m_numOfEntiresToBeCreated--;
         // Clear subject field indicating its a new editor.
         m_subjectEdit->clear();
     } else {
         if (!m_multipleEntries) {
                 // If single entry
                 m_manager->saveItem(&m_organizerEventOccurrence);
         } else {
                 // If multiple entries, save asynchronously.
                 m_saveItemRequest->setItems(m_listOfEvents);
                 m_saveItemRequest->setManager(m_manager);
                 m_saveItemRequest->start();
         }

         if (m_manager->error())
                 QMessageBox::warning(this, "Failed!", QString("Failed to save event occurrence!\n(error code %1)").arg(m_manager->error()));
         else
                 emit showDayPage();
     }
 }

 void EventOccurrenceEditPage::showEvent(QShowEvent *event)
 {
     window()->setWindowTitle("Edit event occurrence");
     QWidget::showEvent(event);
 }