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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include "mainwindow.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"));
QList<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, &QAction::triggered, this, &MainWindow::saveFile);
connect(quitAction, &QAction::triggered, this, &MainWindow::close);
connect(showTableAction, &QAction::triggered, this, &MainWindow::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();
}
void MainWindow::processFrame(QTextFrame *)
{
}
void MainWindow::processBlock(QTextBlock)
{
}
void MainWindow::processTable(QTextTable *table)
{
QTextFrame *frame = qobject_cast<QTextFrame *>(table);
//! [13]
QTextFrame::iterator it;
for (it = frame->begin(); !(it.atEnd()); ++it) {
QTextFrame *childFrame = it.currentFrame();
QTextBlock childBlock = it.currentBlock();
if (childFrame) {
QTextTable *childTable = qobject_cast<QTextTable*>(childFrame);
if (childTable)
processTable(childTable);
else
processFrame(childFrame);
} else if (childBlock.isValid()) {
processBlock(childBlock);
}
}
//! [13]
}