void wxAxIdentifyView::Identify(wxGISMapView* pMapView, wxGISGeometry &GeometryBounds)
{
m_pMapView = pMapView;
//if(!m_pMapView)//TODO: add/remove layer map events connection point
//{
// wxWindow* pWnd = m_pApp->GetRegisteredWindowByType(wxCLASSINFO(wxGISMapView));
// m_pMapView = dynamic_cast<wxGISMapView*>(pWnd);
//}
if(!m_pMapView)
return;
wxBusyCursor wait;
wxGISSpatialReference SpaRef = m_pMapView->GetSpatialReference();
double dfWidth(3), dfHeight(3);
wxGISAppConfig oConfig = GetConfig();
if(oConfig.IsOk())
{
dfWidth = oConfig.ReadDouble(enumGISHKCU, wxString(wxT("wxGISCommon/identify/search_width")), dfWidth);
dfHeight = oConfig.ReadDouble(enumGISHKCU, wxString(wxT("wxGISCommon/identify/search_height")), dfHeight);
}
if(m_pMapView->GetDisplay())
{
m_pMapView->GetDisplay()->DC2WorldDist(&dfWidth, &dfHeight);
dfWidth = std::fabs(dfWidth);
dfHeight = std::fabs(dfHeight);
}
OGREnvelope Env = GeometryBounds.GetEnvelope();
bool bChanged(false);
//if we got a small envelope or it's a point
if(Env.MaxX - Env.MinX < dfWidth)
{
Env.MinX -= dfWidth;
Env.MaxX += dfWidth;
bChanged = true;
}
if(Env.MaxY - Env.MinY < dfHeight)
{
Env.MinY -= dfHeight;
Env.MaxY += dfHeight;
bChanged = true;
}
if(bChanged)
{
GeometryBounds = EnvelopeToGeometry(Env, SpaRef);
}
OGRPoint *pt = GeometryBounds.GetCentroid();
int nSelection = m_LayerChoice->GetSelection();
wxVector<FILLTREEDATA> data;
switch(nSelection)
{
case 0://get top layer
//TODO: check group layer
for (size_t i = m_pMapView->GetLayerCount() - 1; i >= 0; --i)
{
wxGISLayer* const pLayer = m_pMapView->GetLayerByIndex(i);
if (NULL == pLayer)
{
continue;
}
else if (pLayer->GetType() == enumGISFeatureDataset || pLayer->GetType() == enumGISRasterDataset)
{
FILLTREEDATA stdata = { pLayer, wxNullSpatialTreeCursor };
data.push_back(stdata);
break;
}
}
break;
case 1://get all layers
//TODO: check group layer
for(size_t i = 0; i < m_pMapView->GetLayerCount(); ++i)
{
wxGISLayer* const pLayer = m_pMapView->GetLayerByIndex(i);
if (NULL == pLayer)
{
continue;
}
else if (pLayer->GetType() == enumGISFeatureDataset || pLayer->GetType() == enumGISRasterDataset)
{
FILLTREEDATA stdata = { pLayer, wxNullSpatialTreeCursor };
data.push_back(stdata);
}
}
break;
default:
return;
};
for(size_t i = 0; i < data.size(); ++i)
{
wxGISEnumDatasetType eType = data[i].pLayer->GetType();
switch(eType)
{
case enumGISFeatureDataset:
{
wxGISFeatureLayer* pFLayer = dynamic_cast<wxGISFeatureLayer*>(data[i].pLayer);
if(!pFLayer)
return;
wxGISSpatialTreeCursor Cursor = pFLayer->Idetify(GeometryBounds);
wxGISSpatialTreeCursor::const_iterator iter;
for(iter = Cursor.begin(); iter != Cursor.end(); ++iter)
{
wxGISSpatialTreeData *current = *iter;
if(current)
{
//flash on map
wxGISGeometry Geom = current->GetGeometry();
if (Geom.IsOk())
{
wxGISSymbol* pSymbol = GetDrawSymbol(Geom.GetType());
m_pMapView->AddFlashGeometry(Geom, pSymbol);
}
}
}
m_pMapView->StartFlashing();
data[i].Cursor = Cursor;
}
break;
default:
break;
};
}
//fill IdentifyDlg
m_pFeatureDetailsPanel->Clear(true);
m_pFeatureDetailsPanel->SetClickPositionText(pt);
FillTree(data);
OGRGeometryFactory::destroyGeometry(pt);
}
