ISelection::ConstPointer PagePartSelectionTracker::GetSelection()
{
IWorkbenchPart::Pointer part = this->GetPart();
if (part.IsNotNull())
{
ISelectionProvider::Pointer sp = part->GetSite()->GetSelectionProvider();
if (sp.IsNotNull())
{
return sp->GetSelection();
}
}
return ISelection::Pointer(nullptr);
}
void PagePartSelectionTracker::SetPart(IWorkbenchPart::Pointer part,
bool notify)
{
if (fPart.IsNotNull())
{
// remove myself as a listener from the existing part
ISelectionProvider::Pointer sp = fPart->GetSite()->GetSelectionProvider();
if (sp.IsNotNull())
{
sp->RemoveSelectionChangedListener(selChangedListener.data());
if (sp.Cast<IPostSelectionProvider> ().IsNotNull())
{
sp.Cast<IPostSelectionProvider> () ->RemovePostSelectionChangedListener(
postSelectionListener.data());
}
else
{
sp->RemoveSelectionChangedListener(postSelectionListener.data());
}
}
}
fPart = part;
ISelection::ConstPointer sel;
if (part.IsNotNull())
{
ISelectionProvider::Pointer sp = part->GetSite()->GetSelectionProvider();
if (sp.IsNotNull())
{
sp->AddSelectionChangedListener(selChangedListener.data());
if (sp.Cast<IPostSelectionProvider> ().IsNotNull())
{
sp.Cast<IPostSelectionProvider> () ->AddPostSelectionChangedListener(
postSelectionListener.data());
}
else
{
sp->AddSelectionChangedListener(postSelectionListener.data());
}
if (notify)
{
// get the selection to send below
sel = sp->GetSelection();
}
}
}
if (notify)
{
this->FireSelection(part, sel);
this->FirePostSelection(part, sel);
}
}
SelectionChangedEvent::SelectionChangedEvent(
ISelectionProvider::Pointer source, ISelection::ConstPointer selection)
{
poco_assert(source.IsNotNull());
poco_assert(selection.IsNotNull());
this->source = source;
this->selection = selection;
}
void AbstractSelectionService::SetActivePart(IWorkbenchPart::Pointer newPart)
{
// Optimize.
if (newPart == activePart)
{
return;
}
ISelectionProvider::Pointer selectionProvider;
if (newPart.IsNotNull())
{
selectionProvider = newPart->GetSite()->GetSelectionProvider();
if (selectionProvider.IsNull())
{
newPart = nullptr;
}
}
if (newPart == activePart)
{
return;
}
if (activePart.IsNotNull())
{
if (activeProvider.IsNotNull())
{
activeProvider->RemoveSelectionChangedListener(selListener.data());
if (activeProvider.Cast<IPostSelectionProvider>().IsNotNull())
{
activeProvider.Cast<IPostSelectionProvider>()
->RemovePostSelectionChangedListener(postSelListener.data());
}
else
{
activeProvider
->RemoveSelectionChangedListener(postSelListener.data());
}
activeProvider = nullptr;
}
activePart = nullptr;
}
activePart = newPart;
if (newPart.IsNotNull())
{
activeProvider = selectionProvider;
// Fire an event if there's an active provider
activeProvider->AddSelectionChangedListener(selListener.data());
ISelection::ConstPointer sel = activeProvider->GetSelection();
this->FireSelection(newPart, sel);
if (activeProvider.Cast<IPostSelectionProvider>().IsNotNull())
{
activeProvider.Cast<IPostSelectionProvider>()
->AddPostSelectionChangedListener(postSelListener.data());
}
else
{
activeProvider->AddSelectionChangedListener(postSelListener.data());
}
this->FirePostSelection(newPart, sel);
}
else
{
this->FireSelection(IWorkbenchPart::Pointer(nullptr), ISelection::ConstPointer(nullptr));
this->FirePostSelection(IWorkbenchPart::Pointer(nullptr), ISelection::ConstPointer(nullptr));
}
}
