void CSSLayout::set_selection(CSSLayoutNode start, size_t start_text_offset, CSSLayoutNode end, size_t end_text_offset)
{
impl->throw_if_disposed();
if (start.is_null() || end.is_null())
{
clear_selection();
}
else
{
impl->box_tree.set_selection(start.impl->box_node, start_text_offset, end.impl->box_node, end_text_offset);
}
}
void CSSLayoutElement::append_child(CSSLayoutNode &new_child)
{
if (!is_null() && !new_child.is_null())
{
if (new_child.impl->box_node->get_parent())
throw Exception("Node already has a parent");
impl->box_node->push_back(new_child.impl->box_node);
}
}
/*
void CSSLayoutElement::apply_properties(const std::vector<CSSPropertyValue *> &properties)
{
if (!is_null())
{
impl->layout_impl.lock()->box_tree.apply_properties(static_cast<CSSBoxElement*>(impl->box_node), properties);
// Temp hack to support before and after pseudo elements.
// To do: Make a better more official way to create pseudo elements.
if (static_cast<CSSBoxElement*>(impl->box_node)->properties.content.type == CSSValueContent::type_string)
{
CSSBoxText *box_text = new CSSBoxText();
box_text->set_text(static_cast<CSSBoxElement*>(impl->box_node)->properties.content.str);
impl->box_node->push_back(box_text);
}
}
}
void CSSLayoutElement::apply_properties(const std::string &style_string, const std::string &base_uri)
{
apply_properties(CSSDocument::get_style_properties(style_string, base_uri));
}
*/
void CSSLayoutElement::insert_before(CSSLayoutNode &new_child, CSSLayoutNode &ref_child)
{
if (!is_null() && !new_child.is_null())
{
if (ref_child.is_null())
{
append_child(new_child);
}
else
{
if (new_child.impl->box_node->get_parent())
throw Exception("Node already has a parent");
if (ref_child.impl->box_node->get_parent() != impl->box_node)
throw Exception("Node is not a direct child of this element");
impl->box_node->insert(new_child.impl->box_node, ref_child.impl->box_node);
}
}
}
void CSSLayoutElement::remove_child(CSSLayoutNode &old_child)
{
if (!is_null() && !old_child.is_null())
{
CSSBoxNode *parent = old_child.impl->box_node->get_parent();
if (parent != impl->box_node)
throw Exception("Node is not a direct child of this element");
old_child.impl->box_node->remove();
}
}
CSSLayoutElement CSSLayout::find_element(const std::string &name)
{
if (!get_root_element().is_null())
{
std::vector<CSSLayoutNode> stack;
stack.push_back(get_root_element());
while (!stack.empty())
{
if (stack.back().is_element() && stack.back().to_element().get_name() == name)
return stack.back().to_element();
CSSLayoutNode next = stack.back().get_first_child();
if (!next.is_null())
{
stack.push_back(next);
}
else
{
while (!stack.empty())
{
next = stack.back().get_next_sibling();
if (next.is_null())
{
stack.pop_back();
}
else
{
stack.back() = next;
break;
}
}
}
}
return CSSLayoutElement();
}
else
{
return CSSLayoutElement();
}
}