// Starts a refresh of an item.
// If the physical item has been deleted,
// updates selection, zoom and working item accordingly.
//
void CDirstatDoc::RefreshItem(CItem *item)
{
ASSERT(item != NULL);
CWaitCursor wc;
ClearReselectChildStack();
if(item->IsAncestorOf(GetZoomItem()))
{
SetZoomItem(item);
}
// FIXME: Multi-select
if(item->IsAncestorOf(GetSelection(0)))
{
SetSelection(item);
UpdateAllViews(NULL, HINT_SELECTIONCHANGED);
}
SetWorkingItemAncestor(item);
CItem *parent = item->GetParent();
if(!item->StartRefresh())
{
if(GetZoomItem() == item)
{
SetZoomItem(parent);
}
// FIXME: Multi-select
if(GetSelection(0) == item)
{
SetSelection(parent);
UpdateAllViews(NULL, HINT_SELECTIONCHANGED);
}
if(m_workingItem == item)
{
SetWorkingItem(parent);
}
}
UpdateAllViews(NULL);
}
void CDirstatDoc::OnTreemapZoomin()
{
CItem *p= GetSelection();
CItem *z= NULL;
while (p != GetZoomItem())
{
z= p;
p= p->GetParent();
}
ASSERT(z != NULL);
SetZoomItem(z);
}
void CDirstatDoc::SetSelection(const CItem *item, bool keepReselectChildStack)
{
CItem *newzoom= CItem::FindCommonAncestor(m_zoomItem, item);
if (newzoom != m_zoomItem)
SetZoomItem(newzoom);
bool keep= keepReselectChildStack || m_selectedItem == item;
m_selectedItem= const_cast<CItem *>(item);
GetMainFrame()->SetSelectionMessageText();
if (!keep)
ClearReselectChildStack();
}
void CDirstatDoc::OnTreemapZoomout()
{
SetZoomItem(GetZoomItem()->GetParent());
}
