// Updates the position of the document based on the style properties.
void ElementDocument::UpdatePosition()
{
// We are only positioned relative to our parent, so if we're not parented we may as well bail now.
if (GetParentNode() == NULL)
return;
Vector2f position;
// Work out our containing block; relative offsets are calculated against it.
Vector2f containing_block = GetParentNode()->GetBox().GetSize(Box::CONTENT);
const Property *left = GetLocalProperty(LEFT);
const Property *right = GetLocalProperty(RIGHT);
if (left != NULL && left->unit != Property::KEYWORD)
position.x = ResolveProperty(LEFT, containing_block.x);
else if (right != NULL && right->unit != Property::KEYWORD)
position.x = (containing_block.x - GetBox().GetSize(Box::MARGIN).x) - ResolveProperty(RIGHT, containing_block.x);
else
position.x = GetBox().GetEdge(Box::MARGIN, Box::LEFT);
const Property *top = GetLocalProperty(TOP);
const Property *bottom = GetLocalProperty(BOTTOM);
if (top != NULL && top->unit != Property::KEYWORD)
position.y = ResolveProperty(TOP, containing_block.y);
else if (bottom != NULL && bottom->unit != Property::KEYWORD)
position.y = (containing_block.y - GetBox().GetSize(Box::MARGIN).y) - ResolveProperty(BOTTOM, containing_block.y);
else
position.y = GetBox().GetEdge(Box::MARGIN, Box::TOP);
SetOffset(position, NULL);
}
void ElementDataGrid::OnUpdate()
{
Core::ElementDocument* document = GetOwnerDocument();
document->LockLayout(true);
if (!new_data_source.Empty())
{
root->SetDataSource(new_data_source);
new_data_source = "";
}
bool any_new_children = root->UpdateChildren();
if (any_new_children)
{
DispatchEvent("rowupdate", Rocket::Core::Dictionary());
}
if (!body_visible && (!any_new_children || root->GetNumLoadedChildren() >= Rocket::Core::Math::RealToInteger(ResolveProperty("min-rows", 0))))
{
body->SetProperty("display", "block");
body_visible = true;
}
document->LockLayout(false);
}
