C++ QTextTable::cellAt方法代码示例

void ChatWindow::writeMessage(MessType type, QString mess )
{
  if( mess.isEmpty() ){
    return;
  }
  
  QTextCursor cursor( m_chatEdit->textCursor() );
  cursor.movePosition(QTextCursor::End);
  QTextTable* table = cursor.insertTable(1, 2, *m_tableFormat );
  QTextCharFormat charFormat;
  
  switch( type ){
    case MyMess :
      charFormat.setForeground(Qt::blue);
      table->cellAt(0,0).firstCursorPosition().insertText("<" + m_myName + "> ", charFormat);
      table->cellAt(0,1).firstCursorPosition().insertText(mess);
      break;
    case ConMess :
      charFormat.setForeground(Qt::darkGreen);
      table->cellAt(0,0).firstCursorPosition().insertText("<" + m_conName + "> ", charFormat);
      table->cellAt(0,1).firstCursorPosition().insertText(mess);
      break;
    case StatusMess :     
      charFormat.setForeground(Qt::darkRed);
      cursor.insertText(" *** " + mess + " *** ", charFormat);
      break;
    default :
      kWarning() << "Wrong MessType";
      break;
  }
  QScrollBar *bar = m_chatEdit->verticalScrollBar();
  bar->setValue(bar->maximum());
}

void
ChatDialog::appendChatMessage(const QString& nick, const QString& text, time_t timestamp)
{
  QTextCharFormat nickFormat;
  nickFormat.setForeground(Qt::darkGreen);
  nickFormat.setFontWeight(QFont::Bold);
  nickFormat.setFontUnderline(true);
  nickFormat.setUnderlineColor(Qt::gray);

  // Print who & when
  QTextCursor cursor(ui->textEdit->textCursor());
  cursor.movePosition(QTextCursor::End);
  QTextTableFormat tableFormat;
  tableFormat.setBorder(0);
  QTextTable *table = cursor.insertTable(1, 2, tableFormat);
  QString from = QString("%1 ").arg(nick);
  QTextTableCell fromCell = table->cellAt(0, 0);
  fromCell.setFormat(nickFormat);
  fromCell.firstCursorPosition().insertText(from);
  printTimeInCell(table, timestamp);

  // Print what
  QTextCursor nextCursor(ui->textEdit->textCursor());
  nextCursor.movePosition(QTextCursor::End);
  table = nextCursor.insertTable(1, 1, tableFormat);
  table->cellAt(0, 0).firstCursorPosition().insertText(text);

  // Popup notification
  showMessage(from, text);

  QScrollBar *bar = ui->textEdit->verticalScrollBar();
  bar->setValue(bar->maximum());
}

void DeckListModel::printDeckListNode(QTextCursor *cursor, InnerDecklistNode *node)
{
	static const int totalColumns = 3;

	if (node->height() == 1) {
		QTextBlockFormat blockFormat;
		QTextCharFormat charFormat;
		charFormat.setFontPointSize(11);
		charFormat.setFontWeight(QFont::Bold);
		cursor->insertBlock(blockFormat, charFormat);
		cursor->insertText(QString("%1: %2").arg(node->getVisibleName()).arg(node->recursiveCount(true)));

		QTextTableFormat tableFormat;
		tableFormat.setCellPadding(0);
		tableFormat.setCellSpacing(0);
		tableFormat.setBorder(0);
		QTextTable *table = cursor->insertTable(node->size() + 1, 2, tableFormat);
		for (int i = 0; i < node->size(); i++) {
			AbstractDecklistCardNode *card = dynamic_cast<AbstractDecklistCardNode *>(node->at(i));

			QTextCharFormat cellCharFormat;
			cellCharFormat.setFontPointSize(9);

			QTextTableCell cell = table->cellAt(i, 0);
			cell.setFormat(cellCharFormat);
			QTextCursor cellCursor = cell.firstCursorPosition();
			cellCursor.insertText(QString("%1 ").arg(card->getNumber()));

			cell = table->cellAt(i, 1);
			cell.setFormat(cellCharFormat);
			cellCursor = cell.firstCursorPosition();
			cellCursor.insertText(card->getName());
		}
	} else if (node->height() == 2) {
		QTextBlockFormat blockFormat;
		QTextCharFormat charFormat;
		charFormat.setFontPointSize(14);
		charFormat.setFontWeight(QFont::Bold);

		cursor->insertBlock(blockFormat, charFormat);
		cursor->insertText(QString("%1: %2").arg(node->getVisibleName()).arg(node->recursiveCount(true)));

		QTextTableFormat tableFormat;
		tableFormat.setCellPadding(10);
		tableFormat.setCellSpacing(0);
		tableFormat.setBorder(0);
		QVector<QTextLength> constraints;
		for (int i = 0; i < totalColumns; i++)
			constraints << QTextLength(QTextLength::PercentageLength, 100.0 / totalColumns);
		tableFormat.setColumnWidthConstraints(constraints);

		QTextTable *table = cursor->insertTable(1, totalColumns, tableFormat);
		for (int i = 0; i < node->size(); i++) {
			QTextCursor cellCursor = table->cellAt(0, (i * totalColumns) / node->size()).lastCursorPosition();
			printDeckListNode(&cellCursor, dynamic_cast<InnerDecklistNode *>(node->at(i)));
		}
	}
	cursor->movePosition(QTextCursor::End);
}

void MyChat::appendMessage(const QString from, const QString message)
{
    QTextCursor cursor(textEdit->textCursor());
    cursor.movePosition(QTextCursor::End);
    QTextTable *table = cursor.insertTable(1, 2, tableFormat);
    table->cellAt(0, 0).firstCursorPosition().insertText('<' + from + ">: ");
    table->cellAt(0, 1).firstCursorPosition().insertText(message);
    QScrollBar *bar = textEdit->verticalScrollBar();
    bar->setValue(bar->maximum());
}

void Dialog_report::buat_table()
{
    int i;
    QTextCursor cursor( ui->edit->textCursor());
    cursor.movePosition(QTextCursor::Start);

    ui->edit->setText("Ini report");
    /*
    QTextTableFormat format;
    format.setHeight( 600 );
    format.setWidth( 800 );
    format.setCellPadding( 1 );
    format.setCellSpacing( 1 );
    format.setHeaderRowCount( 2 );

    QTextTable *table = cursor.insertTable(10, 5, format);
    */
    QTextTable *table = cursor.insertTable(10, 5 );


    QTextBlockFormat centerAlignment;
    centerAlignment.setAlignment(Qt::AlignHCenter);
    centerAlignment.setLineHeight( 30, QTextBlockFormat::FixedHeight);
    centerAlignment.setLeftMargin( 10 );
    centerAlignment.setRightMargin( 10 );
    QTextCursor cursor2;

    cursor2 = table->cellAt(0, 0).firstCursorPosition();
    cursor2.insertText(QString::fromUtf8("No"));
    cursor2.setBlockFormat(centerAlignment);

    for (i=1; i<9; i++)
    {

        cursor2 = table->cellAt(i, 0).firstCursorPosition();
        cursor2.setBlockFormat(centerAlignment);
        cursor2.insertText(QString::number(i+1) + "Sil");

    }



    /*
    int i, y;
    for (i=0; i<4; i++)
    {
        for (y=0;y<5; y++)
         QTextTable *table = cursor.insertTable( y, i );
            //QTextTable *table = cursor.insertTable( y, i, tableFormat);
    }*/

    //QTextTable *tbl;
    //tbl = new QTextTable( ui->edit );

}

void TextEditWidget::sl_InsertColumnAction_Triggered() {
	QTextTable* table = textField->textCursor().currentTable();
	if (!table) {
		WARNING("Wrong button state");
		return;
	}

	QTextTableCell currentCell = table->cellAt(textField->textCursor());
	table->insertColumns(currentCell.column() + 1, 1);
	QTextTableCell cell = table->cellAt(0, currentCell.column() + 1);
	textField->setTextCursor(cell.firstCursorPosition());
}

void ChatDialog::appendMessage(const QString &from, const QString &message)
{
    if (from.isEmpty() || message.isEmpty())
        return;

    QTextCursor cursor(textEdit->textCursor());
    cursor.movePosition(QTextCursor::End);
    QTextTable *table = cursor.insertTable(1, 2, tableFormat);
    table->cellAt(0, 0).firstCursorPosition().insertText("<" + from + "> ");
    table->cellAt(0, 1).firstCursorPosition().insertText(message);
    QScrollBar *bar = textEdit->verticalScrollBar();
    bar->setValue(bar->maximum());
}

void TextEditWidget::sl_RemoveColumnAction_Triggered() {
	QTextTable* table = textField->textCursor().currentTable();
	if (!table) {
		WARNING("Wrong button state");
		return;
	}

	int columnNumber = table->cellAt(textField->textCursor()).column();
	table->removeColumns(columnNumber, 1);
}

int main(int argc, char * argv[])
{
    int rows = 6;
    int columns = 2;

    QApplication app(argc, argv);
    QTextEdit *textEdit = new QTextEdit;
    QTextCursor cursor(textEdit->textCursor());
    cursor.movePosition(QTextCursor::Start);

    QTextTableFormat tableFormat;
    tableFormat.setAlignment(Qt::AlignHCenter);
    tableFormat.setCellPadding(2);
    tableFormat.setCellSpacing(2);
    QTextTable *table = cursor.insertTable(rows, columns);
    table->setFormat(tableFormat);
    
    QTextCharFormat boldFormat;
    boldFormat.setFontWeight(QFont::Bold);

    QTextBlockFormat centerFormat;
    centerFormat.setAlignment(Qt::AlignHCenter);
    cursor.mergeBlockFormat(centerFormat);

    cursor = table->cellAt(0, 0).firstCursorPosition();
    cursor.insertText(("Details"), boldFormat);

    cursor = table->cellAt(1, 0).firstCursorPosition();
    cursor.insertText("Alan");

    cursor = table->cellAt(1, 1).firstCursorPosition();
    cursor.insertText("5, Pickety Street");

//! [0]
    table->mergeCells(0, 0, 1, 2);
//! [0] //! [1]
    table->splitCell(0, 0, 1, 1);
//! [1]

    textEdit->show();
    return app.exec();
}

    void testFindingTables()
    {
        // How to find all the tables in a QTextDocument?
        QTextDocument textDoc;
        QTextCursor c( &textDoc );
        QTextTable* firstTable = c.insertTable( 2, 2 );
        QTextTableCell bottomRight = firstTable->cellAt( 1, 1 );
        QTextTable* secondTable = bottomRight.firstCursorPosition().insertTable( 3, 3 ); // a nested table
        c.movePosition( QTextCursor::End );
        QTextTable* thirdTable = c.insertTable( 1, 1 );
        thirdTable->firstCursorPosition().insertText( "in table" );
        c.insertText( "Foo" );
        QList<QTextTable *> origTables;
        origTables << firstTable << secondTable << thirdTable;

        // A generic and slow solution is
        //    curs.currentTable() && !tablesFound.contains(curs.currentTable())
        // for each cursor position. Surely there's better.
        // We could jump to currentFrame().lastCursorPosition() but then it would skip
        // nested tables.
        QTextDocument* clonedDoc = textDoc.clone();
        QSet<QTextTable *> tablesFound;
        {
            QTextCursor curs(clonedDoc);
            while (!curs.atEnd()) {
                QTextTable* currentTable = curs.currentTable();
                if ( currentTable && !tablesFound.contains(currentTable) ) {
                    tablesFound.insert( currentTable );
                }
                curs.movePosition( QTextCursor::NextCharacter );
            }
            QCOMPARE( tablesFound.size(), 3 );
        }

        // Let's do something else then, let's find them by cursor position
        QList<QTextTable *> tablesByPos;
        {
            // first test
            const int firstPos = firstTable->firstCursorPosition().position();
            QTextCursor curs( clonedDoc );
            curs.setPosition( firstPos );
            QVERIFY( curs.currentTable() );

            // generic loop. works this approach is in TextDocument::breakTables now.
            Q_FOREACH( QTextTable* origTable, origTables ) {
                QTextCursor curs( clonedDoc );
                curs.setPosition( origTable->firstCursorPosition().position() );
                tablesByPos.append( curs.currentTable() );
            }
            QCOMPARE( tablesByPos.size(), 3 );
            QCOMPARE( tablesByPos.toSet(), tablesFound );
        }

QObject* TextCursor::insertTable(int rows, int columns)
{
    QTextTableFormat format;
    //format.setColumns(columns);
    //format.setHeaderRowCount(1);
    format.setBackground(QColor("#e0e0e0"));
    //format.setCellPadding(1); format.setCellSpacing(1); //testcase

    QVector<QTextLength> constraints;
    constraints << QTextLength(QTextLength::PercentageLength, 16);
    constraints << QTextLength(QTextLength::PercentageLength, 28);
    constraints << QTextLength(QTextLength::PercentageLength, 28);
    constraints << QTextLength(QTextLength::PercentageLength, 28);
    format.setColumnWidthConstraints(constraints);

    QTextTable* table = m_cursor.insertTable(rows, columns, format);
    //QTextTable* t = m_cursor.insertTable(rows, columns);

    QTextTableCell cell = table->cellAt(0, 0);
    cell.firstCursorPosition().insertText(tr("aaa") /*, QTextCharFormat::charFormat*/);
    table->cellAt(0, 1).firstCursorPosition().insertText(tr("bbb"));

    return new TextTable(this, table);
}

// Добавление строк в таблицу
void TableFormatter::onTableAddRowClicked(void)
{
  QTextCursor cursor(textArea->textCursor());
  QTextTable *table = cursor.currentTable();
  if(table)
  {
    QTextTableCell cell=table->cellAt(cursor); // Выясняется текущая ячейка
    int cellRowCursor=cell.row(); // Текущий номер строки (счет с нуля)

    bool ok=false;
    int addNum=QInputDialog::getInt(editor, tr("Append rows to table"),tr("Append rows:"), 1, 1, 100, 1, &ok);

    if(ok && addNum > 0)
      table->insertRows(cellRowCursor + 1,addNum);
  }
}

void DashboardWindow::printTreeWidget(QPrinter *printer) {
	//build a table
    QTextDocument doc;
	QTextCursor cursor(&doc);
	QTextTable *table = cursor.insertTable(1, ui.treeWidget->columnCount());
	
	//header
	for (int colNum = 0; colNum < ui.treeWidget->columnCount(); ++colNum) {
		table->cellAt(0, colNum).firstCursorPosition().insertText(ui.treeWidget->headerItem()->text(colNum));
	}
	
	//table content
	treeWidgetToTextTable(ui.treeWidget->invisibleRootItem(), table, 1);
	
	doc.print(printer);
}

void TestChangeTrackedDelete::insertSampleTable(QTextDocument *document)
{
    QTextCursor cursor(document);
    cursor.insertText("This is a paragraph of text before a table.");
    QTextTable *table = cursor.insertTable(3,3);
    table->cellAt(0,0).firstCursorPosition().insertText("first");
    table->cellAt(0,1).firstCursorPosition().insertText("second");
    table->cellAt(0,2).firstCursorPosition().insertText("third");
    table->cellAt(1,0).firstCursorPosition().insertText("fourth");
    table->cellAt(1,1).firstCursorPosition().insertText("fifth");
    table->cellAt(1,2).firstCursorPosition().insertText("sixth");
    table->cellAt(2,0).firstCursorPosition().insertText("seventh");
    table->cellAt(2,1).firstCursorPosition().insertText("eigth");
    table->cellAt(2,2).firstCursorPosition().insertText("ninth");
}

void QQuickTextNodeEngine::addFrameDecorations(QTextDocument *document, QTextFrame *frame)
{
    QTextDocumentLayout *documentLayout = qobject_cast<QTextDocumentLayout *>(document->documentLayout());
    QTextFrameFormat frameFormat = frame->format().toFrameFormat();

    QTextTable *table = qobject_cast<QTextTable *>(frame);
    QRectF boundingRect = table == 0
            ? documentLayout->frameBoundingRect(frame)
            : documentLayout->tableBoundingRect(table);

    QBrush bg = frame->frameFormat().background();
    if (bg.style() != Qt::NoBrush)
        m_backgrounds.append(qMakePair(boundingRect, bg.color()));

    if (!frameFormat.hasProperty(QTextFormat::FrameBorder))
        return;

    qreal borderWidth = frameFormat.border();
    if (qFuzzyIsNull(borderWidth))
        return;

    QBrush borderBrush = frameFormat.borderBrush();
    QTextFrameFormat::BorderStyle borderStyle = frameFormat.borderStyle();
    if (borderStyle == QTextFrameFormat::BorderStyle_None)
        return;

    addBorder(boundingRect.adjusted(frameFormat.leftMargin(), frameFormat.topMargin(),
                                    -frameFormat.rightMargin(), -frameFormat.bottomMargin()),
              borderWidth, borderStyle, borderBrush);
    if (table != 0) {
        int rows = table->rows();
        int columns = table->columns();

        for (int row=0; row<rows; ++row) {
            for (int column=0; column<columns; ++column) {
                QTextTableCell cell = table->cellAt(row, column);

                QRectF cellRect = documentLayout->tableCellBoundingRect(table, cell);
                addBorder(cellRect.adjusted(-borderWidth, -borderWidth, 0, 0), borderWidth,
                          borderStyle, borderBrush);
            }
        }
    }
}