bool wxGxContentView::OnDropObjects(wxCoord x, wxCoord y, const wxArrayString& GxObjects, bool bIsControlOn)
{
bool bMove = !bIsControlOn;
SetItemState(m_HighLightItem, 0, wxGISLIST_STATE_DROPHILITED);
//SetItemState(m_HighLightItem, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
wxPoint pt(x, y);
unsigned long nFlags(0);
long nItemId = HitTest(pt, (int &)nFlags);
long nObjectID(m_nParentGxObjectID);
if(nItemId != wxNOT_FOUND && (nFlags & wxLIST_HITTEST_ONITEM))
{
LPITEMDATA pItemData = (LPITEMDATA)GetItemData(nItemId);
nObjectID = pItemData->nObjectID;
}
wxGxObject* pGxObject = m_pCatalog->GetRegisterObject(nObjectID);
IGxDropTarget* pTarget = dynamic_cast<IGxDropTarget*>(pGxObject);
if(pTarget)
{
wxDragResult res(bMove == true ? wxDragMove : wxDragCopy);
if(wxIsDragResultOk(pTarget->CanDrop(res)))
return pTarget->Drop(GxObjects, bMove);
}
return false;
}
wxDragResult wxGxTreeView::OnDragOver(wxCoord x, wxCoord y, wxDragResult def)
{
if(m_HighLightItemId.IsOk())
SetItemDropHighlight(m_HighLightItemId, false);
wxPoint pt(x, y);
int flag = wxTREE_HITTEST_ONITEMINDENT;
wxTreeItemId ItemId = wxTreeCtrl::HitTest(pt, flag);
if(ItemId.IsOk())
{
wxSize sz = GetClientSize();
if(DNDSCROLL > y)//scroll up
ScrollLines(-1);
else if((sz.GetHeight() - DNDSCROLL) < y)//scroll down
ScrollLines(1);
SetItemDropHighlight(ItemId);
m_HighLightItemId = ItemId;
wxGxTreeItemData* pData = (wxGxTreeItemData*)GetItemData(ItemId);
if(pData == NULL)
return wxDragNone;
//check drop capability
wxGxObject* pGxObject = m_pCatalog->GetRegisterObject(pData->m_nObjectID);
IGxDropTarget* pTarget = dynamic_cast<IGxDropTarget*>(pGxObject);
if(pTarget == NULL)
return wxDragNone;
return pTarget->CanDrop(def);
}
return def;
}
bool wxGxTreeView::OnDropObjects(wxCoord x, wxCoord y, const wxArrayString& GxObjects)
{
bool bMove = !wxGetKeyState(WXK_CONTROL);
wxPoint pt(x, y);
int flag = wxTREE_HITTEST_ONITEMINDENT;
wxTreeItemId ItemId = wxTreeCtrl::HitTest(pt, flag);
if(ItemId.IsOk())
{
SetItemDropHighlight(ItemId, false);
wxGxTreeItemData* pData = (wxGxTreeItemData*)GetItemData(ItemId);
if(pData == NULL)
return wxDragNone;
wxGxObject* pGxObject = m_pCatalog->GetRegisterObject(pData->m_nObjectID);
IGxDropTarget* pTarget = dynamic_cast<IGxDropTarget*>(pGxObject);
if(pTarget)
{
wxDragResult res(bMove == true ? wxDragMove : wxDragCopy);
if(wxIsDragResultOk(pTarget->CanDrop(res)))
return pTarget->Drop(GxObjects, bMove);
}
}
return false;
}
bool wxGISCatalogMainCmd::GetEnabled(void)
{
wxCHECK_MSG(m_pGxApp, false, wxT("Application pointer is null"));
wxGxSelection* pSel = m_pGxApp->GetGxSelection();
wxGxCatalogBase* pCat = GetGxCatalog();
switch(m_subtype)
{
case 0://Up One Level
if(pCat && pSel)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetFirstSelectedObjectId());
return pGxObject != NULL && pGxObject->GetParent();
}
return false;
case 1:
return true;
case 2:
//check if wxGxDiscConnection
if(pCat && pSel)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetFirstSelectedObjectId());
return pGxObject != NULL && pGxObject->IsKindOf(wxCLASSINFO(wxGxDiscConnection));
}
return false;
case 3:
return true;
case 4://delete
if(pCat && pSel)
{
for(size_t i = 0; i < pSel->GetCount(); ++i)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetSelectedObjectId(i));
IGxObjectEdit* pGxObjectEdit = dynamic_cast<IGxObjectEdit*>(pGxObject);
if(pGxObjectEdit && pGxObjectEdit->CanDelete())
return true;
}
}
return false;
case 5:
if(pSel)
return pSel->CanUndo();
return false;
case 6:
if(pSel)
return pSel->CanRedo();
return false;
case 7:
if(pCat && pSel)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetFirstSelectedObjectId());
wxGxObjectContainer* pCont = wxDynamicCast(pGxObject, wxGxObjectContainer);
if(pCont)
return pCont->CanCreate(enumGISContainer, enumContFolder);
}
return false;
case 8://Rename
if(pCat && pSel)
{
size_t nCounter(0);
for(size_t i = 0; i < pSel->GetCount(); ++i)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetSelectedObjectId(i));
IGxObjectEdit* pGxObjectEdit = dynamic_cast<IGxObjectEdit*>(pGxObject);
if(pGxObjectEdit && pGxObjectEdit->CanRename())
nCounter++;
}
return nCounter == 1 ? true : false;
}
return false;
case 9://Refresh
if(pSel)
return pSel->GetCount() > 0;
return false;
case 10://Properties
//check if IGxObjectEditUI
if(pCat && pSel)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetLastSelectedObjectId());
return dynamic_cast<IGxObjectEditUI*>(pGxObject);
}
return false;
case 11://Copy
if(pCat && pSel)
{
for(size_t i = 0; i < pSel->GetCount(); ++i)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetSelectedObjectId(i));
IGxObjectEdit* pGxObjectEdit = dynamic_cast<IGxObjectEdit*>(pGxObject);
if(pGxObjectEdit && pGxObjectEdit->CanCopy(""))
return true;
}
}
return false;
case 12://Cut
if(pCat && pSel)
{
for(size_t i = 0; i < pSel->GetCount(); ++i)
{
wxGxObject* pGxObject = pCat->GetRegisterObject(pSel->GetSelectedObjectId(i));
IGxObjectEdit* pGxObjectEdit = dynamic_cast<IGxObjectEdit*>(pGxObject);
if(pGxObjectEdit && pGxObjectEdit->CanMove(""))
return true;
}
}
return false;
case 13://Paste
{
IViewDropTarget* pViewDropTarget = dynamic_cast<IViewDropTarget*>(wxWindow::FindFocus());
if(pViewDropTarget)
{
if( pViewDropTarget->CanPaste() )
{
wxClipboardLocker locker;
bool bMove(false);
if(!locker)
{
//
}
else
{
wxTextDataObject data;
if(wxTheClipboard->GetData( data ))
{
if(data.GetText() == wxString(wxT("cut")))
bMove = true;
}
}
for(size_t i = 0; i < pSel->GetCount(); ++i)
{
IGxDropTarget* pGxDropTarget = dynamic_cast<IGxDropTarget*>(pCat->GetRegisterObject(pSel->GetSelectedObjectId(i)));
if(pGxDropTarget && wxIsDragResultOk(pGxDropTarget->CanDrop(bMove == true ? wxDragMove : wxDragCopy)))
return true;
}
}
}
}
return false;
default:
return false;
}
}
