CalendarDemo
/**************************************************************************** ** ** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples for the Qt PIM module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QLocale> #include <QtWidgets> #include <QtOrganizer/qorganizer.h> #include <QtOrganizer/qorganizerabstractrequest.h> #include "monthpage.h" #include "calendardemo.h" QTORGANIZER_USE_NAMESPACE Q_DECLARE_METATYPE(QOrganizerItem) MonthPage::MonthPage(QWidget *parent) :QWidget(parent), m_manager(0), m_calendarWidget(0), m_dateLabel(0), m_itemList(0), m_ignoreShowDayPageOnceFlag(false) { // Create widgets QFormLayout *mainlayout = new QFormLayout(this); m_managerComboBox = new QComboBox(this); foreach (const QString& manager, QOrganizerManager::availableManagers()) { if (manager != "invalid" && manager != "skeleton") m_managerComboBox->addItem(manager); } mainlayout->addRow("Backend:", m_managerComboBox); connect(m_managerComboBox, SIGNAL(currentIndexChanged(const QString &)), this, SLOT(backendChanged(const QString &))); m_dateLabel = new QLabel(this); m_dateLabel->setAlignment(Qt::AlignCenter); mainlayout->addRow(m_dateLabel); m_calendarWidget = new QCalendarWidget(this); m_calendarWidget->setGridVisible(true); m_calendarWidget->setHorizontalHeaderFormat(QCalendarWidget::SingleLetterDayNames); m_calendarWidget->setNavigationBarVisible(false); mainlayout->addRow(m_calendarWidget); connect(m_calendarWidget, SIGNAL(selectionChanged()), this, SLOT(refreshDayItems())); connect(m_calendarWidget, SIGNAL(currentPageChanged(int, int)), this, SLOT(currentMonthChanged())); connect(m_calendarWidget, SIGNAL(activated(QDate)), this, SLOT(dayDoubleClicked(QDate))); m_itemList = new QListWidget(this); m_itemList->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); m_itemList->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); m_itemList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); m_itemList->setFocusPolicy(Qt::NoFocus); mainlayout->addRow(m_itemList); connect(m_itemList, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(itemDoubleClicked(QListWidgetItem*))); setLayout(mainlayout); } // This is separate from the constructor so we can do it after connecting the signals void MonthPage::init() { backendChanged(m_managerComboBox->currentText()); currentMonthChanged(); } MonthPage::~MonthPage() { } void MonthPage::backendChanged(const QString &managerName) { // Nothing to change if (m_manager && m_manager->managerName() == managerName) return; // Try creating a new manager QMap<QString, QString> parameters; QOrganizerManager* newManager = new QOrganizerManager(managerName, parameters, this); if (!newManager || newManager->error()) { QMessageBox::information(this, tr("Failed!"), QString("Failed to create manager")); delete newManager; m_managerComboBox->setCurrentIndex(m_managerComboBox->findText(m_manager->managerName())); } else { // Success: Replace the old one delete m_manager; m_manager = newManager; emit managerChanged(m_manager); refresh(); } } void MonthPage::editItem() { QListWidgetItem *listItem = m_itemList->currentItem(); if (!listItem) return; QOrganizerItem organizerItem = listItem->data(ORGANIZER_ITEM_ROLE).value<QOrganizerItem>(); if (!organizerItem.isEmpty()) emit showEditPage(organizerItem); } void MonthPage::removeItem() { QListWidgetItem *listItem = m_itemList->currentItem(); if (!listItem) return; QOrganizerItem organizerItem = listItem->data(ORGANIZER_ITEM_ROLE).value<QOrganizerItem>(); if (organizerItem.isEmpty()) return; m_manager->removeItem(organizerItem.id()); refresh(); } void MonthPage::refresh() { // fetch all current months items QDate start(m_calendarWidget->yearShown(), m_calendarWidget->monthShown(), 1); QDate end = start.addDays(start.daysInMonth()); QDateTime startDateTime(start, QTime(0, 0, 0, 0)); QDateTime endDateTime(end, QTime(23, 59, 59, 0)); // Remove all previous formatting for (int i=0; i<start.daysInMonth(); i++) { QTextCharFormat cf = m_calendarWidget->dateTextFormat(start.addDays(i)); cf.setFontItalic(false); cf.setFontUnderline(false); cf.clearBackground(); m_calendarWidget->setDateTextFormat(start.addDays(i), cf); } // Underline current date QTextCharFormat cf = m_calendarWidget->dateTextFormat(QDate::currentDate()); cf.setFontUnderline(true); m_calendarWidget->setDateTextFormat(QDate::currentDate(), cf); // TODO: switch to item instances when theres a backed QList<QOrganizerItem> items = m_manager->items(startDateTime, endDateTime); // Get dates for all items QList<QDate> dates; foreach (const QOrganizerItem &item, items) { QDate startDate; QDate endDate; QOrganizerEventTime eventTime = item.detail(QOrganizerItemDetail::TypeEventTime); if (!eventTime.isEmpty()) { startDate = eventTime.startDateTime().date(); endDate = eventTime.endDateTime().date(); } else { QOrganizerTodoTime todoTime = item.detail(QOrganizerItemDetail::TypeTodoTime); if (!todoTime.isEmpty()) { startDate = todoTime.startDateTime().date(); endDate = todoTime.dueDateTime().date(); } else { QOrganizerJournalTime journalTime = item.detail(QOrganizerItemDetail::TypeJournalTime); if (!journalTime.isEmpty()) startDate = endDate = journalTime.entryDateTime().date(); } } if (!startDate.isNull()) { while (startDate <= endDate) { dates << startDate; startDate = startDate.addDays(1); } } } // Mark all dates which has events. QBrush brush; brush.setColor(Qt::green); foreach (QDate date, dates) { if (date == QDate()) continue; QTextCharFormat cf = m_calendarWidget->dateTextFormat(date); cf.setFontItalic(true); // TODO: find a better way to mark dates cf.setBackground(brush); m_calendarWidget->setDateTextFormat(date, cf); } // As the day item list is not showed do not refresh // the day items to improve performance refreshDayItems(); } void MonthPage::refreshDayItems() { QDate selectedDate = m_calendarWidget->selectedDate(); emit currentDayChanged(selectedDate); QDateTime startOfDay(selectedDate, QTime(0, 0, 0)); QDateTime endOfDay(selectedDate, QTime(23, 59, 59)); // Clear items shown m_itemList->clear(); // Find all items for today QList<QOrganizerItem> items = m_manager->items(startOfDay, endOfDay); foreach (const QOrganizerItem &item, items) { QOrganizerEventTime eventTime = item.detail(QOrganizerItemDetail::TypeEventTime); if (!eventTime.isEmpty()) { QString time = eventTime.startDateTime().time().toString("hh:mm"); QListWidgetItem* listItem = new QListWidgetItem(); listItem->setText(QString("Event:%1-%2").arg(time).arg(item.displayLabel())); QVariant data = QVariant::fromValue<QOrganizerItem>(item); listItem->setData(ORGANIZER_ITEM_ROLE, data); m_itemList->addItem(listItem); } QOrganizerTodoTime todoTime = item.detail(QOrganizerItemDetail::TypeTodoTime); if (!todoTime.isEmpty()) { QString time = todoTime.startDateTime().time().toString("hh:mm"); QListWidgetItem* listItem = new QListWidgetItem(); listItem->setText(QString("Todo:%1-%2").arg(time).arg(item.displayLabel())); QVariant data = QVariant::fromValue<QOrganizerItem>(item); listItem->setData(ORGANIZER_ITEM_ROLE, data); m_itemList->addItem(listItem); } QOrganizerJournalTime journalTime = item.detail(QOrganizerItemDetail::TypeJournalTime); if (!journalTime.isEmpty()) { QString time = journalTime.entryDateTime().time().toString("hh:mm"); QListWidgetItem* listItem = new QListWidgetItem(); listItem->setText(QString("Journal:%1-%2").arg(time).arg(item.displayLabel())); QVariant data = QVariant::fromValue<QOrganizerItem>(item); listItem->setData(ORGANIZER_ITEM_ROLE, data); m_itemList->addItem(listItem); } // TODO: other item types // TODO: icons for event/todo/journal would be nice } if (m_itemList->count() == 0) m_itemList->addItem("(no entries)"); } void MonthPage::currentMonthChanged() { int month = m_calendarWidget->monthShown(); int year = m_calendarWidget->yearShown(); m_dateLabel->setText(QString("%1 %2").arg(QLocale().standaloneMonthName(month)).arg(year)); refresh(); m_ignoreShowDayPageOnceFlag = true; } void MonthPage::dayDoubleClicked(QDate date) { if (!m_ignoreShowDayPageOnceFlag) emit showDayPage(date); else m_ignoreShowDayPageOnceFlag = false; } void MonthPage::openDay() { emit showDayPage(m_calendarWidget->selectedDate()); } void MonthPage::itemDoubleClicked(QListWidgetItem *listItem) { if (!listItem) return; QOrganizerItem organizerItem = listItem->data(ORGANIZER_ITEM_ROLE).value<QOrganizerItem>(); if (!organizerItem.isEmpty()) emit showEditPage(organizerItem); } void MonthPage::showEvent(QShowEvent *event) { window()->setWindowTitle("Calendar Demo"); QWidget::showEvent(event); }