doc/src/snippets/textblock-fragments/mainwindow.cpp
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
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     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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    14 ** this package.
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
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    20 ** packaging of this file.  Please review the following information to
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtGui>
       
    43 
       
    44 #include "mainwindow.h"
       
    45 #include "xmlwriter.h"
       
    46 
       
    47 MainWindow::MainWindow()
       
    48 {
       
    49     QMenu *fileMenu = new QMenu(tr("&File"));
       
    50 
       
    51     QAction *saveAction = fileMenu->addAction(tr("&Save..."));
       
    52     saveAction->setShortcut(tr("Ctrl+S"));
       
    53 
       
    54     QAction *quitAction = fileMenu->addAction(tr("E&xit"));
       
    55     quitAction->setShortcut(tr("Ctrl+Q"));
       
    56 
       
    57     QMenu *insertMenu = new QMenu(tr("&Insert"));
       
    58 
       
    59     QAction *calendarAction = insertMenu->addAction(tr("&Calendar"));
       
    60     calendarAction->setShortcut(tr("Ctrl+I"));
       
    61 
       
    62     menuBar()->addMenu(fileMenu);
       
    63     menuBar()->addMenu(insertMenu);
       
    64 
       
    65     editor = new QTextEdit(this);
       
    66 
       
    67     connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));
       
    68     connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));
       
    69     connect(calendarAction, SIGNAL(triggered()), this, SLOT(insertCalendar()));
       
    70 
       
    71     setCentralWidget(editor);
       
    72     setWindowTitle(tr("Text Document Writer"));
       
    73 }
       
    74 
       
    75 void MainWindow::saveFile()
       
    76 {
       
    77     QString fileName = QFileDialog::getSaveFileName(this,
       
    78         tr("Save document as:"), "", tr("XML (*.xml)"));
       
    79 
       
    80     if (!fileName.isEmpty()) {
       
    81         if (writeXml(fileName))
       
    82             setWindowTitle(fileName);
       
    83         else
       
    84             QMessageBox::warning(this, tr("Warning"),
       
    85                 tr("Failed to save the document."), QMessageBox::Cancel,
       
    86                 QMessageBox::NoButton);
       
    87     }
       
    88 }
       
    89 
       
    90 void MainWindow::insertCalendar()
       
    91 {
       
    92     QTextCursor cursor(editor->textCursor());
       
    93     cursor.movePosition(QTextCursor::Start); 
       
    94 
       
    95     QTextCharFormat format(cursor.charFormat());
       
    96     format.setFontFamily("Courier");
       
    97     
       
    98     QTextCharFormat boldFormat = format;
       
    99     boldFormat.setFontWeight(QFont::Bold);
       
   100 
       
   101     cursor.insertBlock();
       
   102     cursor.insertText(" ", boldFormat);
       
   103 
       
   104     QDate date = QDate::currentDate();
       
   105     int year = date.year(), month = date.month();
       
   106 
       
   107     for (int weekDay = 1; weekDay <= 7; ++weekDay) {
       
   108         cursor.insertText(QString("%1 ").arg(QDate::shortDayName(weekDay), 3),
       
   109             boldFormat);
       
   110     }
       
   111 
       
   112     cursor.insertBlock();
       
   113     cursor.insertText(" ", format);
       
   114 
       
   115     for (int column = 1; column < QDate(year, month, 1).dayOfWeek(); ++column) {
       
   116         cursor.insertText("    ", format);
       
   117     }
       
   118 
       
   119     for (int day = 1; day <= date.daysInMonth(); ++day) {
       
   120         int weekDay = QDate(year, month, day).dayOfWeek();
       
   121 
       
   122         if (QDate(year, month, day) == date)
       
   123             cursor.insertText(QString("%1 ").arg(day, 3), boldFormat);
       
   124         else
       
   125             cursor.insertText(QString("%1 ").arg(day, 3), format);
       
   126 
       
   127         if (weekDay == 7) {
       
   128             cursor.insertBlock();
       
   129             cursor.insertText(" ", format);
       
   130         }
       
   131     }
       
   132 }
       
   133 
       
   134 bool MainWindow::writeXml(const QString &fileName)
       
   135 {
       
   136     XmlWriter documentWriter(editor->document());
       
   137 
       
   138     QDomDocument *domDocument = documentWriter.toXml();
       
   139     QFile file(fileName);
       
   140 
       
   141     if (file.open(QFile::WriteOnly)) {
       
   142         QTextStream textStream(&file);
       
   143         
       
   144         textStream << domDocument->toByteArray(1);
       
   145         return true;
       
   146     }
       
   147     else
       
   148         return false;
       
   149 }