bool BookTextView::getHyperlinkInfo(const ZLTextElementRectangle &rectangle, std::string &id, ZLHyperlinkType &type) const {
if ((rectangle.Kind != ZLTextElement::WORD_ELEMENT) &&
(rectangle.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = textArea().startCursor();
cursor.moveToParagraph(rectangle.ParagraphIndex);
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for (int i = 0; i < rectangle.ElementIndex; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
return hyperlinkKind != REGULAR;
}
std::string FBView::word(const ZLTextElementArea &area) const {
std::string txt;
if (area.Kind == ZLTextElement::WORD_ELEMENT) {
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(area.ParagraphIndex);
cursor.moveTo(area.ElementIndex, 0);
const ZLTextWord &word = (ZLTextWord&)cursor.element();
ZLUnicodeUtil::Ucs4String ucs4;
ZLUnicodeUtil::utf8ToUcs4(ucs4, word.Data, word.Size);
ZLUnicodeUtil::Ucs4String::iterator it = ucs4.begin();
while ((it != ucs4.end()) && !ZLUnicodeUtil::isLetter(*it)) {
++it;
}
if (it != ucs4.end()) {
ucs4.erase(ucs4.begin(), it);
it = ucs4.end() - 1;
while (!ZLUnicodeUtil::isLetter(*it)) {
--it;
}
ucs4.erase(it + 1, ucs4.end());
ZLUnicodeUtil::ucs4ToUtf8(txt, ucs4);
}
}
return txt;
}
bool ZLTextArea::_getHyperlinkInfo(const ZLTextElementRectangle &rectangle, std::string &id, std::string &type, ZLTextKind& hyperlinkKind, int& x1, int&y1, int& x2, int& y2) const {
if ((rectangle.Kind != ZLTextElement::WORD_ELEMENT) &&
(rectangle.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(rectangle.ParagraphIndex);
cursor.moveToParagraphStart();
hyperlinkKind = REGULAR;
for (int i = 0; i < rectangle.ElementIndex; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
x1 = rectangle.XStart;
y1 = rectangle.YStart;
x2 = rectangle.XEnd;
y2 = rectangle.YEnd;
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
return hyperlinkKind != REGULAR;
}
bool BookTextView::getHyperlinkId(const ZLTextElementArea &area, std::string &id, bool &isExternal) const {
if ((area.Kind != ZLTextElement::WORD_ELEMENT) &&
(area.Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(area.ParagraphNumber);
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for (int i = 0; i < area.TextElementNumber; ++i) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
isExternal = hyperlinkKind == EXTERNAL_HYPERLINK;
return hyperlinkKind != REGULAR;
}
// Added by John to enable caller to get text from current visible page.
void ZLTextSelectionModel::text(std::string & text, int max)
{
text.clear();
ZLTextWordCursor start = myView.startCursor();
ZLTextWordCursor end = myView.endCursor();
ZLTextWordCursor cursor = start;
while (cursor < end)
{
if (cursor.isEndOfParagraph())
{
cursor.nextParagraph();
continue;
}
const ZLTextElement &element = cursor.element();
switch (element.kind())
{
case ZLTextElement::WORD_ELEMENT:
{
const ZLTextWord &word = (const ZLTextWord&)element;
if (cursor.sameElementAs(end))
{
if (start.sameElementAs(end))
{
int skip = ZLUnicodeUtil::length(word.Data, start.charIndex());
int length = ZLUnicodeUtil::length(word.Data, end.charIndex()) - skip;
text.append(word.Data + skip, length);
}
else
{
text.append(word.Data, ZLUnicodeUtil::length(word.Data, end.charIndex()));
}
}
else if (cursor.charIndex() == 0)
{
text.append(word.Data, word.Size);
}
else /* cursor == start */
{
int skip = ZLUnicodeUtil::length(word.Data, cursor.charIndex());
text.append(word.Data + skip, word.Size - skip);
}
}
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
{
text += ' ';
}
break;
}
cursor.nextWord();
if (text.size() >= max)
{
return;
}
}
}
void ZLTextView::ViewStyle::applyControls(const ZLTextWordCursor &begin, const ZLTextWordCursor &end) {
for (ZLTextWordCursor cursor = begin; !cursor.equalWordNumber(end); cursor.nextWord()) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
applyControl((ZLTextControlElement&)element);
} else if (element.kind() == ZLTextElement::FORCED_CONTROL_ELEMENT) {
applyControl((ZLTextForcedControlElement&)element);
}
}
}
bool CollectionView::_onStylusPress(int x, int y) {
fbreader().setHyperlinkCursor(false);
const ZLTextElementArea *imageArea = elementByCoordinates(x, y);
if ((imageArea != 0) && (imageArea->Kind == ZLTextElement::IMAGE_ELEMENT)) {
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(imageArea->ParagraphIndex);
cursor.moveTo(imageArea->ElementIndex, 0);
const ZLTextElement &element = cursor.element();
if (element.kind() != ZLTextElement::IMAGE_ELEMENT) {
return false;
}
const ZLTextImageElement &imageElement = (ZLTextImageElement&)element;
const std::string &id = imageElement.id();
if (id == CollectionModel::BookInfoImageId) {
editBookInfo(collectionModel().bookByParagraphIndex(imageArea->ParagraphIndex));
return true;
} else if (id == CollectionModel::RemoveBookImageId) {
removeBook(collectionModel().bookByParagraphIndex(imageArea->ParagraphIndex));
return true;
} else if (id == CollectionModel::RemoveTagImageId) {
removeTag(collectionModel().tagByParagraphIndex(imageArea->ParagraphIndex));
return true;
} else if (id == CollectionModel::TagInfoImageId) {
editTagInfo(collectionModel().tagByParagraphIndex(imageArea->ParagraphIndex));
return true;
} else {
return false;
}
}
int index = paragraphIndexByCoordinates(x, y);
if (index == -1) {
return false;
}
BookDescriptionPtr book = collectionModel().bookByParagraphIndex(index);
if (!book.isNull()) {
fbreader().openBook(book);
fbreader().showBookTextView();
return true;
}
return false;
}
std::string BookTextView::getFirstInternalHyperlinkId(int x0, int y0, int x1, int y1) {
std::string id;
std::string type;
const ZLTextElementArea * area = elementByCoordinates(x0, y0);
const ZLTextElementArea * stop_area = elementByCoordinates(x1, y1);
if ( !area || ((area->Kind != ZLTextElement::WORD_ELEMENT) &&
(area->Kind != ZLTextElement::IMAGE_ELEMENT))) {
return id;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(area->ParagraphIndex);
int paragraphs = area->ParagraphIndex;
int end_paragraphs = stop_area ? stop_area->ParagraphIndex : 0;
do
{
cursor.moveToParagraphStart();
ZLTextKind hyperlinkKind = REGULAR;
for ( ; !cursor.isEndOfParagraph();) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::CONTROL_ELEMENT) {
const ZLTextControlEntry &control = ((const ZLTextControlElement&)element).entry();
if (control.isHyperlink()) {
hyperlinkKind = control.kind();
id = ((const ZLTextHyperlinkControlEntry&)control).label();
type = ((const ZLTextHyperlinkControlEntry&)control).hyperlinkType();
if (type == "internal")
{
return id;
}
} else if (!control.isStart() && (control.kind() == hyperlinkKind)) {
hyperlinkKind = REGULAR;
}
}
cursor.nextWord();
}
} while( ++paragraphs <= end_paragraphs && cursor.nextParagraph());
return std::string();
}
bool NetLibraryView::_onStylusPress(int x, int y) {
fbreader().setHyperlinkCursor(false);
if (model().isNull()) {
return false;
}
const ZLTextElementArea *imageArea = elementByCoordinates(x, y);
if ((imageArea == 0) || (imageArea->Kind != ZLTextElement::IMAGE_ELEMENT)) {
return false;
}
ZLTextWordCursor cursor = startCursor();
cursor.moveToParagraph(imageArea->ParagraphIndex);
cursor.moveTo(imageArea->ElementIndex, 0);
const ZLTextElement &element = cursor.element();
if (element.kind() != ZLTextElement::IMAGE_ELEMENT) {
return false;
}
const ZLTextImageElement &imageElement = (ZLTextImageElement&)element;
const std::string &id = imageElement.id();
shared_ptr<NetworkBookInfo> book = myParagraphToBookMap[imageArea->ParagraphIndex];
if (book.isNull()) {
return false;
}
if ((id == DownloadEpub) || (id == DownloadMobi)) {
if (!ZLNetworkManager::instance().connect()) {
NetworkOperationRunnable::showErrorMessage(
ZLResource::resource("dialog")
["networkError"]
["couldntConnectToNetworkMessage"].value()
);
return false;
}
NetworkBookInfo::URLType format = (id == DownloadEpub) ? NetworkBookInfo::BOOK_EPUB : NetworkBookInfo::BOOK_MOBIPOCKET;
DownloadBookRunnable downloader(*book, format);
downloader.executeWithUI();
if (downloader.hasErrors()) {
downloader.showErrorMessage();
} else {
BookDescriptionPtr description = BookDescription::getDescription(downloader.fileName());
WritableBookDescription wDescription(*description);
wDescription.clearAuthor();
wDescription.addAuthor(book->Author.DisplayName, book->Author.SortKey);
wDescription.title() = book->Title;
wDescription.language() = book->Language;
for (std::vector<std::string>::const_iterator it = book->Tags.begin(); it != book->Tags.end(); ++it) {
wDescription.addTag(*it);
}
wDescription.saveInfo();
fbreader().openBook(description);
fbreader().setMode(FBReader::BOOK_TEXT_MODE);
rebuildModel();
}
return true;
} else if ((id == ReadLocalEpub) || (id == ReadLocalMobi)) {
NetworkBookInfo::URLType format = (id == DownloadEpub) ? NetworkBookInfo::BOOK_EPUB : NetworkBookInfo::BOOK_MOBIPOCKET;
fbreader().openFile(NetworkLinkCollection::instance().bookFileName(book->URLByType[format]));
fbreader().setMode(FBReader::BOOK_TEXT_MODE);
return true;
} else if (id == OpenInBrowser) {
std::string url = book->URLByType[NetworkBookInfo::LINK_HTTP];
shared_ptr<ProgramCollection> collection = fbreader().webBrowserCollection();
if (!url.empty() && !collection.isNull()) {
shared_ptr<Program> program = collection->currentProgram();
if (!program.isNull()) {
program->run("openLink", url);
}
}
return true;
}
return false;
}
void ZLTextSelectionModel::createData() const {
if (!myTextIsUpToDate && !isEmpty()) {
Range r = internalRange();
ZLTextWordCursor start = myArea.startCursor();
start.moveToParagraph(r.first.ParagraphIndex);
start.moveTo(r.first.ElementIndex, r.first.CharIndex);
ZLTextWordCursor end = myArea.startCursor();
end.moveToParagraph(r.second.ParagraphIndex);
end.moveTo(r.second.ElementIndex, r.second.CharIndex);
std::set<ZLTextParagraphCursorPtr> pcursors;
pcursors.insert(start.paragraphCursorPtr());
ZLTextWordCursor cursor = start;
while (cursor < end) {
if (cursor.isEndOfParagraph()) {
cursor.nextParagraph();
pcursors.insert(cursor.paragraphCursorPtr());
myText.append(ZLibrary::EndOfLine);
continue;
}
const ZLTextElement &element = cursor.element();
switch (element.kind()) {
case ZLTextElement::WORD_ELEMENT:
{
const ZLTextWord &word = (const ZLTextWord&)element;
if (cursor.sameElementAs(end)) {
if (start.sameElementAs(end)) {
int skip = ZLUnicodeUtil::length(word.Data, start.charIndex());
int length = ZLUnicodeUtil::length(word.Data, end.charIndex()) - skip;
myText.append(word.Data + skip, length);
} else {
myText.append(word.Data, ZLUnicodeUtil::length(word.Data, end.charIndex()));
}
} else if (cursor.charIndex() == 0) {
myText.append(word.Data, word.Size);
} else /* cursor == start */ {
int skip = ZLUnicodeUtil::length(word.Data, cursor.charIndex());
myText.append(word.Data + skip, word.Size - skip);
}
break;
}
case ZLTextElement::IMAGE_ELEMENT:
if (myImage.isNull()) {
myImage = ((const ZLTextImageElement&)element).image();
}
break;
case ZLTextElement::HSPACE_ELEMENT:
case ZLTextElement::NB_HSPACE_ELEMENT:
myText += ' ';
break;
default:
break;
}
cursor.nextWord();
}
if ((cursor == end) && !cursor.isEndOfParagraph() && myImage.isNull()) {
const ZLTextElement &element = cursor.element();
if (element.kind() == ZLTextElement::IMAGE_ELEMENT) {
myImage = ((const ZLTextImageElement&)element).image();
}
}
myCursors.swap(pcursors);
myTextIsUpToDate = true;
}
}
const std::vector<ZLTextSelectionModel::Range> &ZLTextSelectionModel::ranges() const {
if (!myRangeVectorIsUpToDate && !isEmpty()) {
Range r = internalRange();
ZLTextWordCursor cursor = myArea.startCursor();
cursor.moveToParagraph(r.first.ParagraphIndex);
cursor.moveToParagraphStart();
int startLevel = 0;
for (int i = r.first.ElementIndex; i > 0; --i) {
switch (cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
++startLevel;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
--startLevel;
break;
default:
break;
}
cursor.nextWord();
}
cursor.moveToParagraph(r.second.ParagraphIndex);
cursor.moveToParagraphEnd();
int endLevel = 0;
for (int i = cursor.elementIndex() - r.second.ElementIndex; i > 0; --i) {
cursor.previousWord();
switch (cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
--endLevel;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
++endLevel;
break;
default:
break;
}
}
if ((startLevel == 0) && (endLevel == 0)) {
myRanges.push_back(r);
} else if (r.first.ParagraphIndex == r.second.ParagraphIndex) {
BoundElement leftBound = r.first;
BoundElement rightBound;
rightBound.Exists = true;
rightBound.ParagraphIndex = leftBound.ParagraphIndex;
rightBound.CharIndex = 0;
cursor.moveTo(r.first.ElementIndex, 0);
for (int i = r.first.ElementIndex; i < r.second.ElementIndex; ++i) {
ZLTextElement::Kind kind = cursor.element().kind();
if ((kind == ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT) ||
(kind == ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT)) {
rightBound.ElementIndex = i;
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
}
cursor.nextWord();
}
myRanges.push_back(Range(leftBound, r.second));
} else {
BoundElement leftBound = r.first;
if (startLevel > 0) {
BoundElement rightBound;
rightBound.Exists = true;
rightBound.ParagraphIndex = leftBound.ParagraphIndex;
rightBound.ElementIndex = leftBound.ElementIndex;
rightBound.CharIndex = 0;
cursor.moveToParagraph(r.first.ParagraphIndex);
cursor.moveTo(r.first.ElementIndex, 0);
while (startLevel > 0) {
switch(cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
++startLevel;
rightBound.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
--startLevel;
rightBound.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound, rightBound));
leftBound = rightBound;
break;
default:
break;
}
cursor.nextWord();
}
}
BoundElement rightBound1 = r.second;
if (endLevel > 0) {
BoundElement leftBound1;
leftBound1.Exists = true;
leftBound1.ParagraphIndex = rightBound1.ParagraphIndex;
leftBound1.ElementIndex = rightBound1.ElementIndex;
leftBound1.CharIndex = 0;
cursor.moveToParagraph(r.second.ParagraphIndex);
cursor.moveTo(r.second.ElementIndex, 0);
while (endLevel > 0) {
switch(cursor.element().kind()) {
case ZLTextElement::START_REVERSED_SEQUENCE_ELEMENT:
--endLevel;
leftBound1.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound1, rightBound1));
rightBound1 = leftBound1;
break;
case ZLTextElement::END_REVERSED_SEQUENCE_ELEMENT:
++endLevel;
rightBound1.ElementIndex = cursor.elementIndex();
myRanges.push_back(Range(leftBound1, rightBound1));
rightBound1 = leftBound1;
break;
default:
break;
}
cursor.previousWord();
}
}
myRanges.push_back(Range(leftBound, rightBound1));
}
myRangeVectorIsUpToDate = true;
}
return myRanges;
}