bool wxGISToolExecuteView::OnDropObjects(wxCoord x, wxCoord y, long nParentPointer, const wxArrayLong& TaskIds)
{
wxBusyCursor wait;
SetItemState(m_HighLightItem, 0, wxLIST_STATE_DROPHILITED);
//SetItemState(m_HighLightItem, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
if(nParentPointer != wxThread::GetMainId())
return false;
wxPoint pt(x, y);
unsigned long nFlags(0);
long nItemId = HitTest(pt, (int &)nFlags);
long nObjectID(m_nParentGxObjectId);
if(nItemId == wxNOT_FOUND)
return false;
IGxTask* pBeforeTask(NULL);
int nInsertPoint = GetItemCount() - TaskIds.GetCount(); //the end
if(nFlags & wxLIST_HITTEST_ONITEM)
{
nInsertPoint = nItemId;// - 1;
pBeforeTask = dynamic_cast<IGxTask*>(m_pCatalog->GetRegisterObject(GetItemData(nInsertPoint)));
}
//1. Read all items to map sortig using priority, but not adding moving items
m_bDropping = true;
std::map<long, IGxTask*> ItemsMap;
for(int i = 0; i < GetItemCount(); ++i)
{
long nTaskId = GetItemData(i);
if(TaskIds.Index(nTaskId) == wxNOT_FOUND)
{
IGxTask* pTask = dynamic_cast<IGxTask*>(m_pCatalog->GetRegisterObject(nTaskId));
if(pTask && pTask->GetState() != enumGISTaskDone)
{
ItemsMap[pTask->GetPriority()] = pTask;
}
}
}
//wxWindowUpdateLocker noUpdates(this);
//get min priority
if(nInsertPoint < 0)
{
long nMinPrio = ItemsMap.begin()->first;
for(size_t i = 0; i < TaskIds.GetCount(); ++i)
{
IGxTask* pTask = dynamic_cast<IGxTask*>(m_pCatalog->GetRegisterObject(TaskIds[i]));
if(pTask)
{
pTask->SetPriority(++nMinPrio);
}
}
for(std::map<long, IGxTask*>::iterator it = ItemsMap.begin(); it != ItemsMap.end(); ++it)
{
it->second->SetPriority(++nMinPrio);
}
}
else if(nInsertPoint >= TaskIds.GetCount())
{
long nMinPrio = ItemsMap.begin()->first;
for(std::map<long, IGxTask*>::iterator it = ItemsMap.begin(); it != ItemsMap.end(); ++it)
{
it->second->SetPriority(++nMinPrio);
}
for(size_t i = 0; i < TaskIds.GetCount(); ++i)
{
IGxTask* pTask = dynamic_cast<IGxTask*>(m_pCatalog->GetRegisterObject(TaskIds[i]));
if(pTask)
{
pTask->SetPriority(++nMinPrio);
}
}
}
else
{
//2. Read from map until end for insert to array
bool bSetPrio(false);
long nMinPrio = wxNOT_FOUND;
for(std::map<long, IGxTask*>::iterator it = ItemsMap.begin(); it != ItemsMap.end(); ++it)
{
if(pBeforeTask == it->second)
{
nMinPrio = pBeforeTask->GetPriority();
for(size_t i = 0; i < TaskIds.GetCount(); ++i)
{
IGxTask* pTask = dynamic_cast<IGxTask*>(m_pCatalog->GetRegisterObject(TaskIds[i]));
if(pTask)
{
pTask->SetPriority(++nMinPrio);
}
}
bSetPrio = true;
}
if(bSetPrio)
it->second->SetPriority(++nMinPrio);
}
}
SortItems(GxTaskCompareFunction, 0);
m_bDropping = false;
return true;
}
