/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtGui>+
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+
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#include "mainwindow.h"+
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+
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//! [0]+
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MainWindow::MainWindow()+
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{+
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    selectedDate = QDate::currentDate();+
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    fontSize = 10;+
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+
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    QWidget *centralWidget = new QWidget;+
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//! [0]+
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+
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//! [1]+
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    QLabel *dateLabel = new QLabel(tr("Date:"));+
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    QComboBox *monthCombo = new QComboBox;+
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+
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    for (int month = 1; month <= 12; ++month)+
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        monthCombo->addItem(QDate::longMonthName(month));+
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+
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    QDateTimeEdit *yearEdit = new QDateTimeEdit;+
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    yearEdit->setDisplayFormat("yyyy");+
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    yearEdit->setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1));+
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//! [1]+
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+
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    monthCombo->setCurrentIndex(selectedDate.month() - 1);+
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    yearEdit->setDate(selectedDate);+
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+
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//! [2]+
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    QLabel *fontSizeLabel = new QLabel(tr("Font size:"));+
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    QSpinBox *fontSizeSpinBox = new QSpinBox;+
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    fontSizeSpinBox->setRange(1, 64);+
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    fontSizeSpinBox->setValue(10);+
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+
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    editor = new QTextBrowser;+
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    insertCalendar();+
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//! [2]+
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+
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//! [3]+
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    connect(monthCombo, SIGNAL(activated(int)), this, SLOT(setMonth(int)));+
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    connect(yearEdit, SIGNAL(dateChanged(QDate)), this, SLOT(setYear(QDate)));+
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    connect(fontSizeSpinBox, SIGNAL(valueChanged(int)),+
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            this, SLOT(setFontSize(int)));+
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//! [3]+
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+
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//! [4]+
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    QHBoxLayout *controlsLayout = new QHBoxLayout;+
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    controlsLayout->addWidget(dateLabel);+
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    controlsLayout->addWidget(monthCombo);+
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    controlsLayout->addWidget(yearEdit);+
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    controlsLayout->addSpacing(24);+
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    controlsLayout->addWidget(fontSizeLabel);+
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    controlsLayout->addWidget(fontSizeSpinBox);+
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    controlsLayout->addStretch(1);+
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+
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    QVBoxLayout *centralLayout = new QVBoxLayout;+
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    centralLayout->addLayout(controlsLayout);+
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    centralLayout->addWidget(editor, 1);+
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    centralWidget->setLayout(centralLayout);+
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+
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    setCentralWidget(centralWidget);+
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//! [4]+
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}+
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+
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//! [5]+
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void MainWindow::insertCalendar()+
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{+
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    editor->clear();+
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    QTextCursor cursor = editor->textCursor();+
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    cursor.beginEditBlock();+
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+
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    QDate date(selectedDate.year(), selectedDate.month(), 1);+
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//! [5]+
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+
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//! [6]+
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    QTextTableFormat tableFormat;+
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    tableFormat.setAlignment(Qt::AlignHCenter);+
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    tableFormat.setBackground(QColor("#e0e0e0"));+
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    tableFormat.setCellPadding(2);+
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    tableFormat.setCellSpacing(4);+
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//! [6] //! [7]+
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    QVector<QTextLength> constraints;+
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    constraints << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14)+
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                << QTextLength(QTextLength::PercentageLength, 14);+
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    tableFormat.setColumnWidthConstraints(constraints);+
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//! [7]+
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+
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//! [8]+
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    QTextTable *table = cursor.insertTable(1, 7, tableFormat);+
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//! [8]+
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+
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//! [9]+
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    QTextFrame *frame = cursor.currentFrame();+
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    QTextFrameFormat frameFormat = frame->frameFormat();+
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    frameFormat.setBorder(1);+
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    frame->setFrameFormat(frameFormat);+
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//! [9]+
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+
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//! [10]+
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    QTextCharFormat format = cursor.charFormat();+
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    format.setFontPointSize(fontSize);+
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+
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    QTextCharFormat boldFormat = format;+
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    boldFormat.setFontWeight(QFont::Bold);+
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+
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    QTextCharFormat highlightedFormat = boldFormat;+
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    highlightedFormat.setBackground(Qt::yellow);+
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//! [10]+
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+
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//! [11]+
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    for (int weekDay = 1; weekDay <= 7; ++weekDay) {+
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        QTextTableCell cell = table->cellAt(0, weekDay-1);+
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//! [11] //! [12]+
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        QTextCursor cellCursor = cell.firstCursorPosition();+
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        cellCursor.insertText(QString("%1").arg(QDate::longDayName(weekDay)),+
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                              boldFormat);+
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    }+
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//! [12]+
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+
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//! [13]+
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    table->insertRows(table->rows(), 1);+
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//! [13]+
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+
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    while (date.month() == selectedDate.month()) {+
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        int weekDay = date.dayOfWeek();+
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        QTextTableCell cell = table->cellAt(table->rows()-1, weekDay-1);+
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        QTextCursor cellCursor = cell.firstCursorPosition();+
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+
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        if (date == QDate::currentDate())+
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            cellCursor.insertText(QString("%1").arg(date.day()), highlightedFormat);+
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        else+
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            cellCursor.insertText(QString("%1").arg(date.day()), format);+
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+
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        date = date.addDays(1);+
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        if (weekDay == 7 && date.month() == selectedDate.month())+
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            table->insertRows(table->rows(), 1);+
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    }+
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+
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    cursor.endEditBlock();+
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//! [14]+
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    setWindowTitle(tr("Calendar for %1 %2"+
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        ).arg(QDate::longMonthName(selectedDate.month())+
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        ).arg(selectedDate.year()));+
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}+
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//! [14]+
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+
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//! [15]+
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void MainWindow::setFontSize(int size)+
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{+
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    fontSize = size;+
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    insertCalendar();+
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}+
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//! [15]+
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+
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//! [16]+
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void MainWindow::setMonth(int month)+
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{+
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    selectedDate = QDate(selectedDate.year(), month + 1, selectedDate.day());+
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    insertCalendar();+
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}+
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//! [16]+
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+
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//! [17]+
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void MainWindow::setYear(QDate date)+
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{+
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    selectedDate = QDate(date.year(), selectedDate.month(), selectedDate.day());+
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    insertCalendar();+
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}+
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//! [17]+
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