diff options
Diffstat (limited to 'src/gui/doc/snippets/textdocument-tables/mainwindow.cpp')
| -rw-r--r-- | src/gui/doc/snippets/textdocument-tables/mainwindow.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/gui/doc/snippets/textdocument-tables/mainwindow.cpp b/src/gui/doc/snippets/textdocument-tables/mainwindow.cpp new file mode 100644 index 0000000000..79e5f03df4 --- /dev/null +++ b/src/gui/doc/snippets/textdocument-tables/mainwindow.cpp @@ -0,0 +1,204 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 "mainwindow.h" +#include "xmlwriter.h" + +MainWindow::MainWindow() +{ + QMenu *fileMenu = new QMenu(tr("&File")); + + QAction *saveAction = fileMenu->addAction(tr("&Save...")); + saveAction->setShortcut(tr("Ctrl+S")); + QAction *quitAction = fileMenu->addAction(tr("E&xit")); + quitAction->setShortcut(tr("Ctrl+Q")); + + QMenu *showMenu = new QMenu(tr("&Show")); + + QAction *showTableAction = showMenu->addAction(tr("&Table")); + + menuBar()->addMenu(fileMenu); + menuBar()->addMenu(showMenu); + + editor = new QTextEdit(); + +//! [0] //! [1] + QTextCursor cursor(editor->textCursor()); +//! [0] + cursor.movePosition(QTextCursor::Start); +//! [1] + + int rows = 11; + int columns = 4; + +//! [2] + QTextTableFormat tableFormat; + tableFormat.setBackground(QColor("#e0e0e0")); + QVector<QTextLength> constraints; + constraints << QTextLength(QTextLength::PercentageLength, 16); + constraints << QTextLength(QTextLength::PercentageLength, 28); + constraints << QTextLength(QTextLength::PercentageLength, 28); + constraints << QTextLength(QTextLength::PercentageLength, 28); + tableFormat.setColumnWidthConstraints(constraints); +//! [3] + QTextTable *table = cursor.insertTable(rows, columns, tableFormat); +//! [2] //! [3] + + int column; + int row; + QTextTableCell cell; + QTextCursor cellCursor; + + QTextCharFormat charFormat; + charFormat.setForeground(Qt::black); + +//! [4] + cell = table->cellAt(0, 0); + cellCursor = cell.firstCursorPosition(); + cellCursor.insertText(tr("Week"), charFormat); +//! [4] + +//! [5] + for (column = 1; column < columns; ++column) { + cell = table->cellAt(0, column); + cellCursor = cell.firstCursorPosition(); + cellCursor.insertText(tr("Team %1").arg(column), charFormat); + } + + for (row = 1; row < rows; ++row) { + cell = table->cellAt(row, 0); + cellCursor = cell.firstCursorPosition(); + cellCursor.insertText(tr("%1").arg(row), charFormat); + + for (column = 1; column < columns; ++column) { + if ((row-1) % 3 == column-1) { +//! [5] //! [6] + cell = table->cellAt(row, column); + QTextCursor cellCursor = cell.firstCursorPosition(); + cellCursor.insertText(tr("On duty"), charFormat); + } +//! [6] //! [7] + } +//! [7] //! [8] + } +//! [8] + + connect(saveAction, SIGNAL(triggered()), this, SLOT(saveFile())); + connect(quitAction, SIGNAL(triggered()), this, SLOT(close())); + connect(showTableAction, SIGNAL(triggered()), this, SLOT(showTable())); + + setCentralWidget(editor); + setWindowTitle(tr("Text Document Tables")); +} + +void MainWindow::saveFile() +{ + QString fileName = QFileDialog::getSaveFileName(this, + tr("Save document as:"), "", tr("XML (*.xml)")); + + if (!fileName.isEmpty()) { + if (writeXml(fileName)) + setWindowTitle(fileName); + else + QMessageBox::warning(this, tr("Warning"), + tr("Failed to save the document."), QMessageBox::Cancel, + QMessageBox::NoButton); + } +} + +void MainWindow::showTable() +{ + QTextCursor cursor = editor->textCursor(); + QTextTable *table = cursor.currentTable(); + + if (!table) + return; + + QTableWidget *tableWidget = new QTableWidget(table->rows(), table->columns()); + +//! [9] + for (int row = 0; row < table->rows(); ++row) { + for (int column = 0; column < table->columns(); ++column) { + QTextTableCell tableCell = table->cellAt(row, column); +//! [9] + QTextFrame::iterator it; + QString text; + for (it = tableCell.begin(); !(it.atEnd()); ++it) { + QTextBlock childBlock = it.currentBlock(); + if (childBlock.isValid()) + text += childBlock.text(); + } + QTableWidgetItem *newItem = new QTableWidgetItem(text); + tableWidget->setItem(row, column, newItem); + /* +//! [10] + processTableCell(tableCell); +//! [10] + */ +//! [11] + } +//! [11] //! [12] + } +//! [12] + + tableWidget->setWindowTitle(tr("Table Contents")); + tableWidget->show(); +} + +bool MainWindow::writeXml(const QString &fileName) +{ + XmlWriter documentWriter(editor->document()); + + QDomDocument *domDocument = documentWriter.toXml(); + QFile file(fileName); + + if (file.open(QFile::WriteOnly)) { + QTextStream textStream(&file); + textStream.setCodec(QTextCodec::codecForName("UTF-8")); + + textStream << domDocument->toString(1).toUtf8(); + file.close(); + return true; + } + else + return false; +} |