bool StringOffsetProvider::setOffsetInListItem(int& offset, Visualization::VList* list,
const QString& prefix, const QString& separator, const QString& /*postfix*/)
{
if (offset == 0) return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(0,0));
offset -= prefix.size();
QStringList components = StringOffsetProvider::components(list->node());
for (int i = 0; i<components.size(); ++i)
{
if (i>0) offset -= separator.size();
if (offset <= components[i].size())
{
// If the offset is in a node before any visualized node go to the beginning of the list.
if (i < list->rangeBegin() )
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(0,0));
// If the offset is in a node after any visualized node go to the end of the list.
if (i >= list->rangeEnd() )
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(list->width()-1, list->height()-1));
if ( setOffsetInItem(offset, list->itemAt<Visualization::Item>(i - list->rangeBegin())) )
return true;
}
else
offset -= components[i].size();
}
if (offset == 0) // This most likely means that the components are empty
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(list->width()/2, list->height()/2));
else // This means we've reached the end
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(list->width()-1, list->height()-1));
}
bool StringOffsetProvider::setOffsetInListItem(int& offset, Visualization::VList* list,
const QString& prefix, const QString& separator, const QString& /*postfix*/)
{
if (offset == 0) return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(0,0));
offset -= prefix.size();
QStringList components = StringOffsetProvider::components(list->node());
for (int i = 0; i<list->length(); ++i)
{
if (i>0) offset -= separator.size();
if (offset <= components[i].size())
{
if ( setOffsetInItem(offset, list->at<Visualization::Item>(i)) )
return true;
}
else
offset -= components[i].size();
}
if (offset == 0) // This most likely means that the components are empty
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(list->width()/2, list->height()/2));
else // This means we've reached the end
return list->moveCursor( Visualization::Item::MoveOnPosition, QPoint(list->width()-1, list->height()-1));
}
void CastStringOffsetProvider::setOffset(int offset)
{
QStringList components = this->components();
if (offset >0) offset -= components[0].size(); // Skip past the initial '('
int childIndex = 1; // Corresponds to the second child - the type name
if (offset > components[1].size())
{
offset -= components[1].size() + components[2].size();
childIndex = 0;
if (offset < 0) offset = 0;
}
setOffsetInItem(offset, vis_->layout()->at<Visualization::Item>(childIndex));
}
void StaticStringOffsetProvider::setOffset(int offset)
{
setOffsetInItem(offset, vis_->item());
}
