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50
51 #include <QtWidgets>
52
53 #include "mainwindow.h"
54 #include "xmlwriter.h"
55
MainWindow()56 MainWindow::MainWindow()
57 {
58 QMenu *fileMenu = new QMenu(tr("&File"));
59
60 QAction *saveAction = fileMenu->addAction(tr("&Save..."));
61 saveAction->setShortcut(tr("Ctrl+S"));
62
63 QAction *quitAction = fileMenu->addAction(tr("E&xit"));
64 quitAction->setShortcut(tr("Ctrl+Q"));
65
66 QMenu *insertMenu = new QMenu(tr("&Insert"));
67
68 QAction *calendarAction = insertMenu->addAction(tr("&Calendar"));
69 calendarAction->setShortcut(tr("Ctrl+I"));
70
71 menuBar()->addMenu(fileMenu);
72 menuBar()->addMenu(insertMenu);
73
74 //! [0]
75 editor = new QTextEdit(this);
76 //! [0]
77
78 connect(saveAction, &QAction::triggered, this, &MainWindow::saveFile);
79 connect(quitAction, &QAction::triggered, this, &MainWindow::close);
80 connect(calendarAction, &QAction::triggered, this, &MainWindow::insertCalendar);
81
82 setCentralWidget(editor);
83 setWindowTitle(tr("Text Document Writer"));
84 }
85
saveFile()86 void MainWindow::saveFile()
87 {
88 QString fileName = QFileDialog::getSaveFileName(this,
89 tr("Save document as:"), "", tr("XML (*.xml)"));
90
91 if (!fileName.isEmpty()) {
92 if (writeXml(fileName))
93 setWindowTitle(fileName);
94 else
95 QMessageBox::warning(this, tr("Warning"),
96 tr("Failed to save the document."), QMessageBox::Cancel,
97 QMessageBox::NoButton);
98 }
99 }
100
insertCalendar()101 void MainWindow::insertCalendar()
102 {
103 //! [1]
104 QTextCursor cursor(editor->textCursor());
105 cursor.movePosition(QTextCursor::Start);
106
107 QTextCharFormat format(cursor.charFormat());
108 format.setFontFamily("Courier");
109
110 QTextCharFormat boldFormat = format;
111 boldFormat.setFontWeight(QFont::Bold);
112
113 cursor.insertBlock();
114 cursor.insertText(" ", boldFormat);
115
116 QDate date = QDate::currentDate();
117 int year = date.year(), month = date.month();
118
119 for (int weekDay = 1; weekDay <= 7; ++weekDay) {
120 cursor.insertText(QString("%1 ").arg(QLocale::system().dayName(weekDay), 3),
121 boldFormat);
122 }
123
124 cursor.insertBlock();
125 cursor.insertText(" ", format);
126
127 for (int column = 1; column < QDate(year, month, 1).dayOfWeek(); ++column) {
128 cursor.insertText(" ", format);
129 }
130
131 for (int day = 1; day <= date.daysInMonth(); ++day) {
132 //! [1] //! [2]
133 int weekDay = QDate(year, month, day).dayOfWeek();
134
135 if (QDate(year, month, day) == date)
136 cursor.insertText(QString("%1 ").arg(day, 3), boldFormat);
137 else
138 cursor.insertText(QString("%1 ").arg(day, 3), format);
139
140 if (weekDay == 7) {
141 cursor.insertBlock();
142 cursor.insertText(" ", format);
143 }
144 //! [2] //! [3]
145 }
146 //! [3]
147 }
148
writeXml(const QString & fileName)149 bool MainWindow::writeXml(const QString &fileName)
150 {
151 XmlWriter documentWriter(editor->document());
152
153 QDomDocument *domDocument = documentWriter.toXml();
154 QFile file(fileName);
155
156 if (file.open(QFile::WriteOnly)) {
157 QTextStream textStream(&file);
158 textStream.setCodec(QTextCodec::codecForName("UTF-8"));
159
160 textStream << domDocument->toString(1).toUtf8();
161 file.close();
162 return true;
163 }
164 else
165 return false;
166 }
167