void RegTreeCtrl::OnBeginDrag(wxTreeEvent& event) { m_copyOnDrop = event.GetEventType() == wxEVT_TREE_BEGIN_DRAG; TreeNode *pNode = GetNode(event); if ( pNode->IsRoot() || pNode->Parent()->IsRoot() ) { wxLogStatus(wxT("This registry key can't be %s."), m_copyOnDrop ? wxT("copied") : wxT("moved")); } else { wxLogStatus(wxT("%s item %s..."), m_copyOnDrop ? wxT("Copying") : wxT("Moving"), pNode->FullName()); m_draggedItem = pNode; event.Allow(); } }
void RegTreeCtrl::OnEndDrag(wxTreeEvent& event) { wxCHECK_RET( m_draggedItem, wxT("end drag without begin drag?") ); // clear the pointer anyhow TreeNode *src = m_draggedItem; m_draggedItem = NULL; // where are we going to drop it? TreeNode *dst = GetNode(event); if ( dst && !dst->IsKey() ) { // we need a parent key dst = dst->Parent(); } if ( !dst || dst->IsRoot() ) { wxLogError(wxT("Can't create a key here.")); return; } bool isKey = src->IsKey(); if ( (isKey && (src == dst)) || (!isKey && (dst->Parent() == src)) ) { wxLogStatus(wxT("Can't copy something on itself")); return; } // remove the "Registry Root\\" from the full name wxString nameSrc, nameDst; nameSrc << wxString(src->FullName()).AfterFirst('\\'); nameDst << wxString(dst->FullName()).AfterFirst('\\') << '\\' << wxString(src->FullName()).AfterLast('\\'); wxString verb = m_copyOnDrop ? wxT("copy") : wxT("move"); wxString what = isKey ? wxT("key") : wxT("value"); if ( wxMessageBox(wxString::Format ( wxT("Do you really want to %s the %s %s to %s?"), verb.c_str(), what.c_str(), nameSrc.c_str(), nameDst.c_str() ), wxT("RegTest Confirm"), wxICON_QUESTION | wxYES_NO | wxCANCEL, this) != wxYES ) { return; } bool ok; if ( isKey ) { wxRegKey& key = src->Key(); wxRegKey keyDst(dst->Key(), src->m_strName); ok = keyDst.Create(false); if ( !ok ) { wxLogError(wxT("Key '%s' already exists"), keyDst.GetName().c_str()); } else { ok = key.Copy(keyDst); } if ( ok && !m_copyOnDrop ) { // delete the old key ok = key.DeleteSelf(); if ( ok ) { src->Parent()->Refresh(); } } } else // value { wxRegKey& key = src->Parent()->Key(); ok = key.CopyValue(src->m_strName, dst->Key()); if ( ok && !m_copyOnDrop ) { // we moved it, so delete the old one ok = key.DeleteValue(src->m_strName); } } if ( !ok ) { wxLogError(wxT("Failed to %s registry %s."), verb.c_str(), what.c_str()); } else { dst->Refresh(); } }