/*!
\since 4.7
Returns the resolved text direction.
If the block has no explicit direction set, it will resolve the
direction from the blocks content. Returns either Qt::LeftToRight
or Qt::RightToLeft.
\sa QTextFormat::layoutDirection(), QString::isRightToLeft(), Qt::LayoutDirection
*/
Qt::LayoutDirection QTextBlock::textDirection() const
{
Qt::LayoutDirection dir = blockFormat().layoutDirection();
if (dir != Qt::LayoutDirectionAuto)
return dir;
dir = p->defaultTextOption.textDirection();
if (dir != Qt::LayoutDirectionAuto)
return dir;
const QString buffer = p->buffer();
const int pos = position();
QTextDocumentPrivate::FragmentIterator it = p->find(pos);
QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1); // -1 to omit the block separator char
for (; it != end; ++it) {
const QTextFragmentData * const frag = it.value();
const QChar *p = buffer.constData() + frag->stringPosition;
const QChar * const end = p + frag->size_array[0];
while (p < end) {
switch(QChar::direction(p->unicode()))
{
case QChar::DirL:
return Qt::LeftToRight;
case QChar::DirR:
case QChar::DirAL:
return Qt::RightToLeft;
default:
break;
}
++p;
}
}
return Qt::LeftToRight;
}
int QTextCopyHelper::appendFragment(int pos, int endPos, int objectIndex)
{
QTextDocumentPrivate::FragmentIterator fragIt = src->find(pos);
const QTextFragmentData * const frag = fragIt.value();
Q_ASSERT(objectIndex == -1
|| (frag->size_array[0] == 1 && src->formatCollection()->format(frag->format).objectIndex() != -1));
int charFormatIndex;
if (forceCharFormat)
charFormatIndex = primaryCharFormatIndex;
else
charFormatIndex = convertFormatIndex(frag->format, objectIndex);
const int inFragmentOffset = qMax(0, pos - fragIt.position());
int charsToCopy = qMin(int(frag->size_array[0] - inFragmentOffset), endPos - pos);
QTextBlock nextBlock = src->blocksFind(pos + 1);
int blockIdx = -2;
if (nextBlock.position() == pos + 1) {
blockIdx = convertFormatIndex(nextBlock.blockFormat());
} else if (pos == 0 && insertPos == 0) {
dst->setBlockFormat(dst->blocksBegin(), dst->blocksBegin(), convertFormat(src->blocksBegin().blockFormat()).toBlockFormat());
dst->setCharFormat(-1, 1, convertFormat(src->blocksBegin().charFormat()).toCharFormat());
}
QString txtToInsert(originalText.constData() + frag->stringPosition + inFragmentOffset, charsToCopy);
if (txtToInsert.length() == 1
&& (txtToInsert.at(0) == QChar::ParagraphSeparator
|| txtToInsert.at(0) == QTextBeginningOfFrame
|| txtToInsert.at(0) == QTextEndOfFrame
)
) {
dst->insertBlock(txtToInsert.at(0), insertPos, blockIdx, charFormatIndex);
++insertPos;
} else {
if (nextBlock.textList()) {
QTextBlock dstBlock = dst->blocksFind(insertPos);
if (!dstBlock.textList()) {
// insert a new text block with the block and char format from the
// source block to make sure that the following text fragments
// end up in a list as they should
int listBlockFormatIndex = convertFormatIndex(nextBlock.blockFormat());
int listCharFormatIndex = convertFormatIndex(nextBlock.charFormat());
dst->insertBlock(insertPos, listBlockFormatIndex, listCharFormatIndex);
++insertPos;
}
}
dst->insert(insertPos, txtToInsert, charFormatIndex);
const int userState = nextBlock.userState();
if (userState != -1)
dst->blocksFind(insertPos).setUserState(userState);
insertPos += txtToInsert.length();
}
return charsToCopy;
}
/*!
Returns the block's contents as plain text.
\sa length() charFormat() blockFormat()
*/
QString QTextBlock::text() const
{
if (!p || !n)
return QString();
const QString buffer = p->buffer();
QString text;
text.reserve(length());
const int pos = position();
QTextDocumentPrivate::FragmentIterator it = p->find(pos);
QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1); // -1 to omit the block separator char
for (; it != end; ++it) {
const QTextFragmentData * const frag = it.value();
text += QString::fromRawData(buffer.constData() + frag->stringPosition, frag->size);
}
return text;
}
bool QTextOdfWriter::writeAll()
{
if (m_createArchive)
m_strategy = new QZipStreamStrategy(m_device);
else
m_strategy = new QXmlStreamStrategy(m_device);
if (!m_device->isWritable() && ! m_device->open(QIODevice::WriteOnly)) {
qWarning() << "QTextOdfWriter::writeAll: the device can not be opened for writing";
return false;
}
QXmlStreamWriter writer(m_strategy->contentStream);
#ifndef QT_NO_TEXTCODEC
if (m_codec)
writer.setCodec(m_codec);
#endif
// prettyfy
writer.setAutoFormatting(true);
writer.setAutoFormattingIndent(2);
writer.writeNamespace(officeNS, QString::fromLatin1("office"));
writer.writeNamespace(textNS, QString::fromLatin1("text"));
writer.writeNamespace(styleNS, QString::fromLatin1("style"));
writer.writeNamespace(foNS, QString::fromLatin1("fo"));
writer.writeNamespace(tableNS, QString::fromLatin1("table"));
writer.writeNamespace(drawNS, QString::fromLatin1("draw"));
writer.writeNamespace(xlinkNS, QString::fromLatin1("xlink"));
writer.writeNamespace(svgNS, QString::fromLatin1("svg"));
writer.writeStartDocument();
writer.writeStartElement(officeNS, QString::fromLatin1("document-content"));
writer.writeAttribute(officeNS, QString::fromLatin1("version"), QString::fromLatin1("1.2"));
// add fragments. (for character formats)
QTextDocumentPrivate::FragmentIterator fragIt = m_document->docHandle()->begin();
QSet<int> formats;
while (fragIt != m_document->docHandle()->end()) {
const QTextFragmentData * const frag = fragIt.value();
formats << frag->format;
++fragIt;
}
// add blocks (for blockFormats)
QTextDocumentPrivate::BlockMap &blocks = m_document->docHandle()->blockMap();
QTextDocumentPrivate::BlockMap::Iterator blockIt = blocks.begin();
while (blockIt != blocks.end()) {
const QTextBlockData * const block = blockIt.value();
formats << block->format;
++blockIt;
}
// add objects for lists, frames and tables
QVector<QTextFormat> allFormats = m_document->allFormats();
QList<int> copy = formats.toList();
for (QList<int>::Iterator iter = copy.begin(); iter != copy.end(); ++iter) {
QTextObject *object = m_document->objectForFormat(allFormats[*iter]);
if (object)
formats << object->formatIndex();
}
writeFormats(writer, formats);
writer.writeStartElement(officeNS, QString::fromLatin1("body"));
writer.writeStartElement(officeNS, QString::fromLatin1("text"));
QTextFrame *rootFrame = m_document->rootFrame();
writeFrame(writer, rootFrame);
writer.writeEndElement(); // text
writer.writeEndElement(); // body
writer.writeEndElement(); // document-content
writer.writeEndDocument();
delete m_strategy;
m_strategy = 0;
return true;
}
