- Qt 5.0
- CalendarDemo
- Qt 5.0.0 Reference Documentation

# CalendarDemo

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     #include "todoeditpage.h"

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

     QTORGANIZER_USE_NAMESPACE

     TodoEditPage::TodoEditPage(QWidget *parent)
         :QWidget(parent),
         m_manager(0),
         m_subjectEdit(0),
         m_startTimeEdit(0),
         m_dueTimeEdit(0),
         m_priorityEdit(0),
         m_statusEdit(0),
         m_alarmComboBox(0)
     {
         // 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 *dueTimeLabel = new QLabel("Due time:", this);
         m_dueTimeEdit = new QDateTimeEdit(this);
         m_dueTimeEdit->setDisplayFormat(QString("yyyy-MM-dd hh:mm:ss AP"));
         QLabel *priorityLabel = new QLabel("Priority:", this);
         m_priorityEdit = new QComboBox(this);
         QLabel *statusLabel = new QLabel("Status:", this);
         m_statusEdit = new QComboBox(this);
         QLabel *alarmLabel = new QLabel("Alarm:", this);
         m_alarmComboBox = new QComboBox(this);
         QLabel *calendarLabel = new QLabel("Calendar:", this);

         QStringList alarmList;
         alarmList  << "None"
                     << "0 minutes before"
                     << "5 minutes before"
                     << "15 minutes before"
                     << "30 minutes before"
                     << "1 hour before";
         m_alarmComboBox->addItems(alarmList);
         connect(m_alarmComboBox, SIGNAL(currentIndexChanged(const QString)), this,
                             SLOT(handleAlarmIndexChanged(const QString)));

         m_calendarComboBox = new QComboBox(this);
         // the calendar names are not know here, fill the combo box later...

         // Add push buttons
         QHBoxLayout* hbLayout = new QHBoxLayout();
         QPushButton *okButton = new QPushButton("Save", this);
         connect(okButton,SIGNAL(clicked()),this,SLOT(saveClicked()));
         hbLayout->addWidget(okButton);
         QPushButton *cancelButton = new QPushButton("Cancel", this);
         connect(cancelButton,SIGNAL(clicked()),this,SLOT(cancelClicked()));
         hbLayout->addWidget(cancelButton);

         // check to see whether we support alarms.
         QOrganizerManager defaultManager;
         QList<QOrganizerItemDetail::DetailType> supportedDetails = defaultManager.supportedItemDetails(QOrganizerItemType::TypeTodo);

         QVBoxLayout *scrollAreaLayout = new QVBoxLayout();
         scrollAreaLayout->addWidget(subjectLabel);
         scrollAreaLayout->addWidget(m_subjectEdit);
         scrollAreaLayout->addWidget(startTimeLabel);
         scrollAreaLayout->addWidget(m_startTimeEdit);
         scrollAreaLayout->addWidget(dueTimeLabel);
         scrollAreaLayout->addWidget(m_dueTimeEdit);
         scrollAreaLayout->addWidget(priorityLabel);
         scrollAreaLayout->addWidget(m_priorityEdit);
         scrollAreaLayout->addWidget(statusLabel);
         scrollAreaLayout->addWidget(m_statusEdit);
         if (supportedDetails.contains(QOrganizerItemDetail::TypeVisualReminder)) {
             scrollAreaLayout->addWidget(alarmLabel);
             scrollAreaLayout->addWidget(m_alarmComboBox);
         }
         scrollAreaLayout->addWidget(calendarLabel);
         scrollAreaLayout->addWidget(m_calendarComboBox);
         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);

         // Fill priority combo
         m_priorityEdit->addItem("Unknown", QVariant(QOrganizerItemPriority::UnknownPriority));
         m_priorityEdit->addItem("Highest", QVariant(QOrganizerItemPriority::HighestPriority));
         m_priorityEdit->addItem("Extremely high", QVariant(QOrganizerItemPriority::ExtremelyHighPriority));
         m_priorityEdit->addItem("Very high", QVariant(QOrganizerItemPriority::VeryHighPriority));
         m_priorityEdit->addItem("High", QVariant(QOrganizerItemPriority::HighPriority));
         m_priorityEdit->addItem("Medium", QVariant(QOrganizerItemPriority::MediumPriority));
         m_priorityEdit->addItem("Low", QVariant(QOrganizerItemPriority::LowPriority));
         m_priorityEdit->addItem("Very low", QVariant(QOrganizerItemPriority::VeryLowPriority));
         m_priorityEdit->addItem("Extremely low", QVariant(QOrganizerItemPriority::ExtremelyLowPriority));
         m_priorityEdit->addItem("Lowest", QVariant(QOrganizerItemPriority::LowestPriority));

         // Fill status combo
         m_statusEdit->addItem("Not started", QVariant(QOrganizerTodoProgress::StatusNotStarted));
         m_statusEdit->addItem("In progress", QVariant(QOrganizerTodoProgress::StatusInProgress));
         m_statusEdit->addItem("Complete", QVariant(QOrganizerTodoProgress::StatusComplete));
     }

     TodoEditPage::~TodoEditPage()
     {

     }

     void TodoEditPage::todoChanged(QOrganizerManager *manager, const QOrganizerTodo &todo)
     {
         m_manager = manager;
         m_organizerTodo = todo;
         m_subjectEdit->setText(todo.displayLabel());
         m_startTimeEdit->setDateTime(todo.startDateTime());
         m_dueTimeEdit->setDateTime(todo.dueDateTime());
         int index = m_priorityEdit->findData(QVariant(todo.priority()));
         m_priorityEdit->setCurrentIndex(index);
         index = m_priorityEdit->findData(QVariant(todo.status()));
         m_statusEdit->setCurrentIndex(index);

         // set calendar selection
         m_calendarComboBox->clear();

         // resolve metadata field that contains calendar name (if any)
         m_collections = m_manager->collections();
         int counter = 0;
         int todoCalendarIndex = -1;
         foreach(QOrganizerCollection collection, m_collections) {
             // We currently have no way of stringifying ids
             // QString visibleName = "Calendar id = " + QString::number(collection.id().localId());
             QString visibleName = collection.metaData(QOrganizerCollection::KeyName).toString();
             if (visibleName.isEmpty())
                 visibleName = "Calendar " + QString::number(index);

             m_calendarComboBox->addItem(visibleName);
             if (collection.id() == todo.collectionId())
                 todoCalendarIndex = counter;
             ++counter;
         }

         if (todoCalendarIndex > -1) {
             m_calendarComboBox->setCurrentIndex(todoCalendarIndex);
             m_calendarComboBox->setEnabled(false); // when modifying existing todos, the calendar can't be changed anymore
         }
         else {
             m_calendarComboBox->setEnabled(true);
         }
     }

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

     void TodoEditPage::saveClicked()
     {
         // Read data from page
         QDateTime start(m_startTimeEdit->dateTime());
         QDateTime due(m_dueTimeEdit->dateTime());
         if (start > due) {
             QMessageBox::warning(this, "Failed!", "Start date is not before due date");
             return;
         }

         m_organizerTodo.setDisplayLabel(m_subjectEdit->text());
         m_organizerTodo.setStartDateTime(start);
         m_organizerTodo.setDueDateTime(due);
         int index = m_priorityEdit->currentIndex();
         m_organizerTodo.setPriority((QOrganizerItemPriority::Priority) m_priorityEdit->itemData(index).toInt());

         index = m_statusEdit->currentIndex();
         QOrganizerTodoProgress::Status currentStatus = (QOrganizerTodoProgress::Status) m_statusEdit->itemData(index).toInt();
         QOrganizerTodoProgress oldStatus = m_organizerTodo.detail(QOrganizerItemDetail::TypeTodoProgress);
         m_organizerTodo.removeDetail(&oldStatus);
         if (currentStatus == QOrganizerTodoProgress::StatusComplete && oldStatus.status() != QOrganizerTodoProgress::StatusComplete)
             m_organizerTodo.setFinishedDateTime(QDateTime::currentDateTime());
         m_organizerTodo.setStatus(currentStatus);

         // Save
         if (m_calendarComboBox->currentIndex() > -1) {
             m_organizerTodo.setCollectionId(m_collections[m_calendarComboBox->currentIndex()].id());
         }

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

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

     void TodoEditPage::handleAlarmIndexChanged(const QString time)
     {
         bool noVisualReminders = !m_manager->supportedItemDetails(QOrganizerItemType::TypeEvent).contains(QOrganizerItemDetail::TypeVisualReminder);

             QScopedPointer<QOrganizerItemReminder> reminder;
             if (noVisualReminders) {
                 reminder.reset(new QOrganizerItemReminder());
             } else {
                 reminder.reset(new QOrganizerItemVisualReminder());
                 static_cast<QOrganizerItemVisualReminder *>(reminder.data())->setMessage(m_subjectEdit->text());
             }

         if (time == "None") {
             QOrganizerItemVisualReminder fetchedReminder = m_organizerTodo.detail(QOrganizerItemDetail::TypeVisualReminder);
             m_organizerTodo.removeDetail(&fetchedReminder);
             return;
         } else if (time == "0 minutes before") {
             reminder->setSecondsBeforeStart(0);
         } else if (time == "5 minutes before") {
             reminder->setSecondsBeforeStart(5*60);
         } else if (time == "15 minutes before") {
             reminder->setSecondsBeforeStart(15*60);
         } else if (time == "30 minutes before") {
             reminder->setSecondsBeforeStart(30*60);
         } else if (time == "1 hour before") {
             reminder->setSecondsBeforeStart(60*60);
         }

         m_organizerTodo.saveDetail(reminder.data());
     }