void
DeckLibraryTab::OnTreeKeyDown (wxTreeEvent &event)
{
wxKeyEvent oKeyEvent = event.GetKeyEvent ();
if (m_bNoEvents || !m_pTree) return;
switch (oKeyEvent.GetKeyCode ()) {
// Keys to delete cards
case WXK_BACK: // backspace
case WXK_DELETE: // delete
DeleteBranch (m_pTree->GetSelection ());
break;
case WXK_F5:
LessOfAnItem (m_pTree->GetSelection (), 5);
break;
case WXK_F6:
LessOfAnItem (m_pTree->GetSelection (), 1);
break;
case WXK_F7:
MoreOfAnItem (m_pTree->GetSelection (), 1);
break;
case WXK_F8:
MoreOfAnItem (m_pTree->GetSelection (), 5);
break;
default:
// wxString sMessage = "Pressed key #";
// sMessage << oKeyEvent.GetKeyCode ();
// wxLogMessage (sMessage);
// event.Skip ();
break;
}
}
wxArrayLong *
DeckLibraryTab::DeleteBranch (wxTreeItemId oItemId, bool bFirstCall)
{
wxArrayLong *pRefArray = new wxArrayLong (), *pOtherArray;
long lCardRef = (long) &oItemId;
wxTreeItemIdValue cookie;
MyTreeItemData *pData;
m_bNoEvents = TRUE;
if (!oItemId.IsOk ()) {
wxLogError (wxT ("DeleteBranch : Bad Item ID"));
return NULL;
}
// For foolproofness, we don't allow deleting the whole tree this way
//if (oItemId == m_oRootId)
//{
// Update();
// return NULL;
//}
pData = (MyTreeItemData *) m_pTree->GetItemData (oItemId);
if (pData != NULL) {
lCardRef = pData->GetValue ();
if (lCardRef >= 0) {
// Remember the card to remove, actual deleting will be later
pRefArray->Add (lCardRef);
}
}
// Recursively process the children
wxTreeItemId oChildId = m_pTree->GetFirstChild (oItemId, cookie);
while (oChildId.IsOk ()) {
pOtherArray = DeleteBranch (oChildId, FALSE);
if (pOtherArray != NULL) {
WX_APPEND_ARRAY (*pRefArray, *pOtherArray);
delete pOtherArray;
}
oChildId = m_pTree->GetNextChild (oItemId, cookie);
}
// after all the recursive processing has taken place,
// update the view
if (bFirstCall) {
// Actually delete the cards
for (unsigned int i = 0; i < pRefArray->Count (); i++) {
m_pModel->DelFromLibrary (pRefArray->Item (i), -1, FALSE);
}
m_bNoEvents = FALSE;
Update ();
delete pRefArray;
return NULL;
}
return pRefArray;
}
void
DeckLibraryTab::OnPopupRemoveAll (wxCommandEvent& WXUNUSED (event))
{
wxTreeItemId oSelectedId;
if (m_bNoEvents || !m_pTree) {
return;
}
oSelectedId = m_pTree->GetSelection();
DeleteBranch(oSelectedId);
}
//vRebuild: the rects (leaf node) the should be reinsert
//Return if the node o should be deleted
bool remove(RtreeNode *o, const Rec &rec, std::vector<Rec> &vRebuild, RtreeBranch *branch)
{
assert(o);
if (o->level == 0)
{
assert(o->count == 1);
if (rec == o->branch[0].mbr)
{
if (branch)
branch->mbr.init();
Destroy(o);
return true;
}
return false;
}
int i = 0;
while (i < o->count)
{
if (!RecOverlap(&rec, &o->branch[i].mbr))
{
++i;
continue;
}
if (!remove(o->branch[i].child, rec, vRebuild, &o->branch[i]))
{
++i;
continue;
}
DeleteBranch(o, i);
}
if (o->count < M / 2 && o != R_root->rnode)
{
enumLeaf(o, vRebuild);
Destroy(o);
if (branch)
branch->mbr.init();
return true;
}
if (branch)
branch->mbr = CoverRec(o);
return false;
}