sfwnotes.cpp Example File

 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** 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 Nokia Corporation and its Subsidiary(-ies) 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 <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();

 #if defined(Q_WS_MAEMO_5) || defined(Q_WS_MEAMO_6)
     titleLabel->setFont(QFont("Nimbus Roman No9 L", 40, QFont::Bold, true));
     noteLabel->setFont(QFont("Comic Sans MS", 30, QFont::Normal, true));
 #endif

     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);

             bool connect;
             QMetaObject::invokeMethod(notesManager, "init", Q_RETURN_ARG(bool, connect));
             if (connect) {
                 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("Unable to access notes manager database\n in current or home directory");
                 msgBox.exec();
             }
         } else {
             QMessageBox msgBox;
             msgBox.setWindowTitle(tr("ToDoTool"));
             msgBox.setText("No valid default interface for:\n\n\"" + interfaceName + "\"");
             msgBox.exec();
         }
     }
 }

 void ToDoTool::registerExampleServices()
 {
     unregisterExampleServices();

     QStringList exampleXmlFiles;
     exampleXmlFiles << "notesmanagerservice.xml";
     foreach (const QString &fileName, exampleXmlFiles) {
         const QString path = QCoreApplication::applicationDirPath() + "/xmldata/" + fileName;
         if (!serviceManager->addService(path))
             qDebug() << "Unable to register notes manager service";
     }
 }

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

 void ToDoTool::refreshList(bool view)
 {
         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; }

         if (!view)
             currentNote = totalNotes;

         refreshNotes();
 }

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

     if (currentNote == 0) {
         dateLabel->setText("");
         if (searchWord == "")
             noteLabel->setText("Click + to add a note");
         else
             noteLabel->setText("No matching note for:\n'" + searchWord  + "'");
     }
     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()));
         }

         searchWord = "";
         refreshList(false);
     }
 }

 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();
     }
 }