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     2 **

     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the documentation of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    13 ** contained in the Technology Preview License Agreement accompanying

    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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    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 //! [0]

    66     editor = new QTextEdit(this);

    67 //! [0]

    68 

    69     connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile()));

    70     connect(quitAction, SIGNAL(triggered()), this, SLOT(close()));

    71     connect(calendarAction, SIGNAL(triggered()), this, SLOT(insertCalendar()));

    72 

    73     setCentralWidget(editor);

    74     setWindowTitle(tr("Text Document Writer"));

    75 }

    76 

    77 void MainWindow::saveFile()

    78 {

    79     QString fileName = QFileDialog::getSaveFileName(this,

    80         tr("Save document as:"), "", tr("XML (*.xml)"));

    81 

    82     if (!fileName.isEmpty()) {

    83         if (writeXml(fileName))

    84             setWindowTitle(fileName);

    85         else

    86             QMessageBox::warning(this, tr("Warning"),

    87                 tr("Failed to save the document."), QMessageBox::Cancel,

    88                 QMessageBox::NoButton);

    89     }

    90 }

    91 

    92 void MainWindow::insertCalendar()

    93 {

    94 //! [1]

    95     QTextCursor cursor(editor->textCursor());

    96     cursor.movePosition(QTextCursor::Start); 

    97 

    98     QTextCharFormat format(cursor.charFormat());

    99     format.setFontFamily("Courier");

   100     

   101     QTextCharFormat boldFormat = format;

   102     boldFormat.setFontWeight(QFont::Bold);

   103 

   104     cursor.insertBlock();

   105     cursor.insertText(" ", boldFormat);

   106 

   107     QDate date = QDate::currentDate();

   108     int year = date.year(), month = date.month();

   109 

   110     for (int weekDay = 1; weekDay <= 7; ++weekDay) {

   111         cursor.insertText(QString("%1 ").arg(QDate::shortDayName(weekDay), 3),

   112             boldFormat);

   113     }

   114 

   115     cursor.insertBlock();

   116     cursor.insertText(" ", format);

   117 

   118     for (int column = 1; column < QDate(year, month, 1).dayOfWeek(); ++column) {

   119         cursor.insertText("    ", format);

   120     }

   121 

   122     for (int day = 1; day <= date.daysInMonth(); ++day) {

   123 //! [1] //! [2]

   124         int weekDay = QDate(year, month, day).dayOfWeek();

   125 

   126         if (QDate(year, month, day) == date)

   127             cursor.insertText(QString("%1 ").arg(day, 3), boldFormat);

   128         else

   129             cursor.insertText(QString("%1 ").arg(day, 3), format);

   130 

   131         if (weekDay == 7) {

   132             cursor.insertBlock();

   133             cursor.insertText(" ", format);

   134         }

   135 //! [2] //! [3]

   136     }

   137 //! [3]

   138 }

   139 

   140 bool MainWindow::writeXml(const QString &fileName)

   141 {

   142     XmlWriter documentWriter(editor->document());

   143 

   144     QDomDocument *domDocument = documentWriter.toXml();

   145     QFile file(fileName);

   146 

   147     if (file.open(QFile::WriteOnly)) {

   148         QTextStream textStream(&file);

   149         textStream.setCodec(QTextCodec::codecForName("UTF-8"));

   150         

   151         textStream << domDocument->toString(1).toUtf8();

   152         file.close();

   153         return true;

   154     }

   155     else

   156         return false;

   157 }