void FixedHeightLayoutManager::calculatePreferredSize(void)
{
if(getParentTextDomArea()->getWrapStyleWord())
{
Pnt2f topLeft,bottomRight;
getParentTextDomArea()->getClipBounds(topLeft,bottomRight);
if(topLeft.x() == 0 && topLeft.y() == 0)
{
_preferredWidth = getParentTextDomArea()->getPreferredSize().x();
}
else
{
_preferredWidth = bottomRight.x()-topLeft.x();
}
_preferredHeight = linesToElements.size() * heightOfLine;
}
else
{
if(getParentTextDomArea()->getDocumentModel())
{
ElementRefPtr defaultRoot=getParentTextDomArea()->getDocumentModel()->getDefaultRootElement();
PlainDocumentBranchElementRefPtr rootElement = dynamic_pointer_cast<PlainDocumentBranchElement>(defaultRoot);
_preferredWidth = osgMax(getParentTextDomArea()->getSize().x(),calculateWidthOfLongestLine(rootElement));
_preferredHeight = rootElement->getElementCount() * heightOfLine;
}
else
{
_preferredWidth = getParentTextDomArea()->getSize().x();
_preferredHeight = getParentTextDomArea()->getSize().y();
}
}
}
UInt32 FixedHeightLayoutManager::totalNumberOfLines(void)
{
if(getParentTextDomArea()->getWrapStyleWord()) return linesToElements.size();
else
{
ElementRefPtr defaultRoot=getParentTextDomArea()->getDocumentModel()->getDefaultRootElement();
PlainDocumentBranchElementRefPtr rootElement = dynamic_pointer_cast<PlainDocumentBranchElement>(defaultRoot);
return rootElement->getElementCount();
}
}
void FixedHeightLayoutManager::populateCache(void)
{
// cache exists only when the word wrap is enabled
if(getParentTextDomArea()->getWrapStyleWord())
{
linesToElements.clear();
if(getParentTextDomArea()->getDocumentModel())
{
ElementRefPtr defaultRoot=getParentTextDomArea()->getDocumentModel()->getDefaultRootElement();
if(defaultRoot)
{
PlainDocumentBranchElementRefPtr rootElement = dynamic_pointer_cast<PlainDocumentBranchElement>(defaultRoot);
Pnt2f init = getParentTextDomArea()->getPosition();
Vec2f dimensions = getParentTextDomArea()->getPreferredSize();
for(UInt32 i=0;i<rootElement->getElementCount();i++)
{
//GlyphViewRefPtr view = GlyphView::create();
PlainDocumentLeafElementRefPtr temp = dynamic_cast<PlainDocumentLeafElement*>(rootElement->getElement(i));
//view->setElement(ElementRefPtr(temp));
UInt32 noOfCharacters= temp->getTextLength();
/* to be edited............
Real32 totalLengthOfAllCharacters = noOfCharacters * widthOfCharacter;
UInt32 noOfLines = UInt32(ceil(totalLengthOfAllCharacters / dimensions.x()));
for(UInt32 j=0;j<noOfLines;j++)
linesToElements.push_back(i);
*/
}
}
}
}
}
bool PlainTextFileType::write(Document* const Doc, std::ostream &OutputStream,
const std::string& FileNameOrExtension)
{
PlainDocumentRefPtr TheDocument = dynamic_cast<PlainDocument*>(Doc);
std::vector<Element*> GenericRoots;
GenericRoots = TheDocument->getRootElements();
for(UInt32 i=0;i<GenericRoots.size();i++)
{
PlainDocumentBranchElementRefPtr RootElement;
RootElement = dynamic_cast<PlainDocumentBranchElement*>(GenericRoots[i]);
for(UInt32 j=0;j<RootElement->getElementCount()-1;j++)
{
PlainDocumentLeafElementRefPtr LeafElement;
LeafElement = dynamic_cast<PlainDocumentLeafElement*>(RootElement->getElement(j));
OutputStream<<LeafElement->getText();
}
PlainDocumentLeafElementRefPtr LeafElement;
LeafElement = dynamic_cast<PlainDocumentLeafElement*>(RootElement->getElement(RootElement->getElementCount()-1));
OutputStream<<LeafElement->getText().substr(0,LeafElement->getTextLength()-2);
}
return false;
}
