C++ QTextTable::columns方法代码示例

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 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);
            }
        }
    }
}

void TestChangeTrackedDelete::testTableDelete()
{
    TextTool *textTool = new TextTool(new MockCanvas);
    KoTextEditor *textEditor = textTool->textEditor();
    QVERIFY(textEditor);
    QTextDocument *document = textEditor->document();
    KTextDocumentLayout *layout = qobject_cast<KTextDocumentLayout*>(document->documentLayout());
    QTextCursor *cursor = textEditor->cursor();
    insertSampleTable(document);

    cursor->setPosition(13);
    cursor->setPosition(102, QTextCursor::KeepAnchor);
    ChangeTrackedDeleteCommand *delCommand = new ChangeTrackedDeleteCommand(ChangeTrackedDeleteCommand::NextChar, textTool);
    textEditor->addCommand(delCommand);
    QCOMPARE(document->characterAt(13).unicode(), (ushort)(QChar::ObjectReplacementCharacter));

    // This is wierd. Without this loop present the succeeding call to inlineTextObject returs NULL. Why ??????
    for (int i=0; i<document->characterCount(); i++) {
        cursor->setPosition(i);
    }

    cursor->setPosition(14);
    KDeleteChangeMarker *testMarker = dynamic_cast<KDeleteChangeMarker*>(layout->inlineTextObjectManager()->inlineTextObject(*cursor));
    QTextDocumentFragment deleteData =  KTextDocument(document).changeTracker()->elementById(testMarker->changeId())->deleteData();

    QTextDocument deleteDocument;
    QTextCursor deleteCursor(&deleteDocument);

    deleteCursor.insertFragment(deleteData);
    bool tableFound = false;

    for (int i=0; i < deleteDocument.characterCount(); i++) {
        deleteCursor.setPosition(i);
        if (deleteCursor.currentTable()) {
            tableFound = true;
            break;
        }
    }
    QVERIFY(tableFound == true);
    QTextTable *table = deleteCursor.currentTable();
    QVERIFY(table->rows() == 3);
    QVERIFY(table->columns() == 3);

    tableFound = false;
    for (int i=0; i < document->characterCount(); i++) {
        deleteCursor.setPosition(i);
        if (deleteCursor.currentTable()) {
            tableFound = true;
            break;
        }
    }
    QVERIFY(tableFound == false);

    delCommand->undo();
    tableFound = false;
    for (int i=0; i < document->characterCount(); i++) {
        deleteCursor.setPosition(i);
        if (deleteCursor.currentTable()) {
            tableFound = true;
            break;
        }
    }
    QVERIFY(tableFound == true);
    delete textTool;
}

bool KoReportODTRenderer::render(const KoReportRendererContext& context, ORODocument* document, int /*page*/)
{
    QTextTableFormat tableFormat;
    tableFormat.setCellPadding(5);
    tableFormat.setHeaderRowCount(1);
    tableFormat.setBorderStyle(QTextFrameFormat::BorderStyle_Solid);
    tableFormat.setWidth(QTextLength(QTextLength::PercentageLength, 100));
    QTextTable *table = m_cursor.insertTable(1, 1, tableFormat);

    long renderedSections = 0;

    for (long s = 0; s < document->sections(); s++) {
        OROSection *section = document->section(s);
        section->sortPrimatives(OROSection::SortX);

        if (section->type() == KRSectionData::GroupHeader || section->type() == KRSectionData::GroupFooter ||
            section->type() == KRSectionData::ReportHeader || section->type() == KRSectionData::ReportFooter ||
            section->type() == KRSectionData::Detail){
            //Add this section to the document

            //Resize the table to accommodate all the primitives in the section
            if (table->columns() < section->primitives()) {
                table->appendColumns(section->primitives() - table->columns());
            }

            if (renderedSections > 0) {
                //We need to back a row, then forward a row to get at the start cell
                m_cursor.movePosition(QTextCursor::PreviousRow);
                m_cursor.movePosition(QTextCursor::NextRow);
            } else {
                //On the first row, ensure we are in the first cell after expanding the table
                while (m_cursor.movePosition(QTextCursor::PreviousCell)){}
            }
            //Render the objects in each section
            for (int i = 0; i < section->primitives(); i++) {
                //Colour the cell using hte section background colour
                OROPrimitive * prim = section->primitive(i);
                QTextTableCell cell = table->cellAt(m_cursor);
                QTextCharFormat format = cell.format();
                format.setBackground(section->backgroundColor());
                cell.setFormat(format);

                if (prim->type() == OROTextBox::TextBox) {
                    OROTextBox * tb = (OROTextBox*) prim;
                    m_cursor.insertText(tb->text());
                } else if (prim->type() == OROImage::Image) {
                    OROImage * im = (OROImage*) prim;

                    m_cursor.insertImage(im->image().scaled(im->size().width(), im->size().height(), Qt::KeepAspectRatio));

                } else if (prim->type() == OROPicture::Picture) {
                    OROPicture * im = (OROPicture*) prim;

                    QImage image(im->size().toSize(), QImage::Format_RGB32);
                    QPainter painter(&image);
                    im->picture()->play(&painter);


                    m_cursor.insertImage(image);
                } else {
                    kWarning() << "unhandled primitive type";
                }
                m_cursor.movePosition(QTextCursor::NextCell);

            }
            if (s < document->sections() - 1) {
                table->appendRows(1);
            }

            renderedSections++;
        }
    }

    QTextDocumentWriter writer(context.destinationUrl.toLocalFile());
    return writer.write(m_document);
}

void KoTextWriter::write(const QTextDocument *document, int from, int to)
{
    d->document = const_cast<QTextDocument*>(document);
    d->styleManager = KoTextDocument(document).styleManager();

    QTextBlock fromblock = document->findBlock(from);
    QTextBlock toblock = document->findBlock(to);

    QTextCursor fromcursor(fromblock);

    QTextTable *currentTable = fromcursor.currentTable();
    QTextList *currentList = fromcursor.currentList();

    // NOTE even better would be if we create a new table/list out of multiple selected
    // tablecells/listitems that contain only the selected cells/items. But following
    // at least enables copying a whole list/table while still being able to copy/paste
    // only parts of the text within a list/table (see also bug 275990).
    if (currentTable || currentList) {
        if (from == 0 && to < 0) {
            // save everything means also save current table and list
            currentTable = 0;
            currentList = 0;
        } else {
            QTextCursor tocursor(toblock);
            //fromcursor.setPosition(from, QTextCursor::KeepAnchor);
            tocursor.setPosition(to, QTextCursor::KeepAnchor);

            if (!fromcursor.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor)) {
                fromcursor = QTextCursor();
            }
            if (!tocursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor)) {
                tocursor = QTextCursor();
            }

            // save the whole table if all cells are selected
            if (currentTable) {
                QTextTableCell fromcell = currentTable->cellAt(from);
                QTextTableCell tocell = currentTable->cellAt(to);
                if ((fromcursor.isNull() || fromcursor.currentTable() != currentTable) &&
                    (tocursor.isNull() || tocursor.currentTable() != currentTable) &&
                    fromcell.column() == 0 && fromcell.row() == 0 &&
                    tocell.column() == currentTable->columns()-1 && tocell.row() == currentTable->rows()-1
                ) {
                    currentTable = 0;
                }
            }

            // save the whole list if all list-items are selected
            if (currentList) {
                int fromindex = currentList->itemNumber(fromblock);
                int toindex = currentList->itemNumber(toblock);
                if ((fromcursor.isNull() || fromcursor.currentList() != currentList) &&
                    (tocursor.isNull() || tocursor.currentList() != currentList) &&
                    fromindex <= 0 && (toindex < 0 || toindex == currentList->count()-1)
                ) {
                    currentList = 0;
                }
            }
        }
    }

    QHash<QTextList *, QString> listStyles = d->saveListStyles(fromblock, to);
    d->globalFrom = from;
    d->globalTo = to;
    d->writeBlocks(const_cast<QTextDocument *>(document), from, to, listStyles, currentTable, currentList);
}