sfwnotes.cpp Example File
sfw-notes/sfwnotes.cpp

    /****************************************************************************
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    ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    ** All rights reserved.
    ** Contact: Nokia Corporation (qt-info@nokia.com)
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    ** This file is part of the Qt Mobility Components.
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    ** You may use this file under the terms of the BSD license as follows:
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    ** modification, are permitted provided that the following conditions are
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    #include <QtGui>

    #include <qservicemanager.h>
    #include <qserviceinterfacedescriptor.h>

    #include "sfwnotes.h"

    ToDoTool::ToDoTool(QWidget *parent, Qt::WindowFlags flags)
        : QWidget(parent, flags)
    {
        setupUi(this);

        serviceManager = new QServiceManager(this);

        registerExampleServices();

        setWindowTitle(tr("ToDoTool"));

        init();
    }

    ToDoTool::~ToDoTool()
    {
        unregisterExampleServices();
    }

    void ToDoTool::soundAlarm(const QDateTime& alarm)
    {
        QString message = notesManager->property("alarmMessage").toString();

        QMessageBox msgBox;
        msgBox.setWindowTitle("Alert");
        msgBox.setText("ALARM SOUNDED!!!\n\n" +alarm.toString("yyyy-MM-dd HH:mm") + "\n\n" + message);
        msgBox.resize(200, msgBox.height());
        msgBox.exec();
    }

    void ToDoTool::init()
    {
        bool ok;
        QString interfaceName = QInputDialog::getText(this, tr("ToDoTool"), tr("Specify Notes Manager interface:"),
                                                      QLineEdit::Normal, "com.nokia.qt.examples.NotesManager", &ok);
        if (ok) {
            QServiceInterfaceDescriptor desc = serviceManager->interfaceDefault(interfaceName);

            if (desc.isValid()) {
                QServiceManager mgr;
                notesManager = mgr.loadInterface(desc);

                if (notesManager)
                    notesManager->setParent(this);

                currentNote = 1;
                searchWord = "";
                refreshList();

                addButton->setEnabled(true);
                deleteButton->setEnabled(true);
                searchButton->setEnabled(true);
                nextButton->setEnabled(true);
                prevButton->setEnabled(true);

                QObject::connect(notesManager, SIGNAL(soundAlarm(QDateTime)),
                                this, SLOT(soundAlarm(QDateTime)));
            } else {
                QMessageBox msgBox;
                msgBox.setWindowTitle(tr("ToDoTool"));
                msgBox.setText("No valid default interface for:\n\n\"" + interfaceName + "\"");
                msgBox.exec();
            }
        }
    }

    void ToDoTool::registerExampleServices()
    {
        QStringList exampleXmlFiles;
        exampleXmlFiles << "notesmanagerservice.xml";
        foreach (const QString &fileName, exampleXmlFiles) {
            const QString path = QCoreApplication::applicationDirPath() + "/xmldata/" + fileName;
            serviceManager->addService(path);
        }
    }

    void ToDoTool::unregisterExampleServices()
    {
        serviceManager->removeService("NotesManagerService");
    }

    void ToDoTool::refreshList()
    {
            QMetaObject::invokeMethod(notesManager, "getNotes",
                                      Q_RETURN_ARG(QList<QObject*>, ret),
                                      Q_ARG(QString, searchWord));

            totalNotes = ret.size();

            if (totalNotes < 1) { currentNote = 0; }
            else if (totalNotes > 0 && currentNote == 0) { currentNote = 1; }

            refreshNotes();
    }

    void ToDoTool::refreshNotes()
    {
        countLabel->setText(QString::number(currentNote) + "/" + QString::number(totalNotes));

        if (currentNote == 0) {
            dateLabel->setText("");
            noteLabel->setText("Click + to add a note");
        }
        else {
            QDateTime alarm;
            QMetaObject::invokeMethod(ret[currentNote-1], "alarm", Q_RETURN_ARG(QDateTime, alarm));
            dateLabel->setText(alarm.toString("yyyy-MM-dd HH:mm"));

            QString note;
            QMetaObject::invokeMethod(ret[currentNote-1], "message", Q_RETURN_ARG(QString, note));
            noteLabel->setText(note);
        }
    }

    void ToDoTool::on_nextButton_clicked()
    {
        if (currentNote < totalNotes) {
            currentNote++;
            refreshNotes();
        }
    }

    void ToDoTool::on_prevButton_clicked()
    {
        if (currentNote > 1) {
            currentNote--;
            refreshNotes();
        }
    }

    void ToDoTool::on_addButton_clicked()
    {
        // re-implement date-time input method

        bool ok;
        QString newNote = QInputDialog::getText(this, tr("ToDoTool"),
                                                tr("Add a new note + alarm of format:\nnote#yyyy-mm-dd#hh:mm"),
                                                QLineEdit::Normal, "", &ok);

        if (ok && !newNote.isEmpty()) {
            QStringList note = newNote.split(QRegExp("#"));

            if (note.size() == 3) {

                QStringList date = note.at(1).split("-");
                QStringList time = note.at(2).split(":");

                if (date.size() == 3 && time.size() == 2) {
                    QDateTime alarm = QDateTime::fromString(note.at(1)+" "+note.at(2),"yyyy-MM-dd HH:mm");
                    QMetaObject::invokeMethod(notesManager, "addNote",
                                              Q_ARG(QString, note.at(0)),
                                              Q_ARG(QDateTime, alarm));
                }
            } else {
                    QMetaObject::invokeMethod(notesManager, "addNote",
                                              Q_ARG(QString, note.at(0)),
                                              Q_ARG(QDateTime, QDateTime::currentDateTime()));
            }

            refreshList();
        }
    }

    void ToDoTool::on_deleteButton_clicked()
    {
        if (currentNote != 0) {
            QMessageBox msgBox;
            msgBox.setText("Confirm removing this note?");
            msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);

            if (msgBox.exec() == QMessageBox::Ok) {
                int index;
                QMetaObject::invokeMethod(ret[currentNote-1], "index", Q_RETURN_ARG(int, index));

                QMetaObject::invokeMethod(notesManager, "removeNote", Q_ARG(int, index));
                if (currentNote > 1)
                    currentNote--;

                refreshList();
            }
        }
    }

    void ToDoTool::on_searchButton_clicked()
    {
        bool ok;
        QString searchNote = QInputDialog::getText(this, tr("ToDoTool"), tr("Find a note:"),
                                                   QLineEdit::Normal, "", &ok);
        if (ok) {
            if (searchNote.isEmpty())
                searchWord = "";
            else
                searchWord = searchNote;

            currentNote = 1;
            refreshList();
        }
    }