// Copyright 2012 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 


// SimplePointWorkspaceHelper.h : Declaration of the CSimplePointWorkspaceHelper

#ifndef __SIMPLEPOINTWORKSPACEHELPER_H_
#define __SIMPLEPOINTWORKSPACEHELPER_H_

#include "resource.h"       // main symbols

// add DTC smart pointer for our interface
_COM_SMARTPTR_TYPEDEF(ISimplePointDatasetHelper, __uuidof(ISimplePointDatasetHelper));

// Use standard map template class to provide data structure
// for a set of <filename, plug-in dataset helper> pairs.
#include <map>
typedef std::map<CComBSTR, IPlugInDatasetInfoPtr> PlugInDatasets;

/////////////////////////////////////////////////////////////////////////////
// CSimplePointWorkspaceHelper
class ATL_NO_VTABLE CSimplePointWorkspaceHelper : 
  public CComObjectRootEx<CComSingleThreadModel>,
  public CComCoClass<CSimplePointWorkspaceHelper, &CLSID_SimplePointWorkspaceHelper>,
  public ISupportErrorInfo,
  public ISimplePointWorkspaceHelper,
  public IPlugInWorkspaceHelper 
{
public:
  CSimplePointWorkspaceHelper()
  {
  }

DECLARE_REGISTRY_RESOURCEID(IDR_SIMPLEPOINTWORKSPACEHELPER)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CSimplePointWorkspaceHelper)
  COM_INTERFACE_ENTRY(ISimplePointWorkspaceHelper)
  COM_INTERFACE_ENTRY(IPlugInWorkspaceHelper)
  COM_INTERFACE_ENTRY(ISupportErrorInfo)
END_COM_MAP()

// ISupportsErrorInfo
  STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);

// ISimplePointWorkspaceHelper
  STDMETHOD(put_WorkspacePath)(BSTR newVal);
// IPlugInWorkspaceHelper
  STDMETHOD(get_RowCountIsCalculated)(VARIANT_BOOL *rowCountCalculated);
  STDMETHOD(get_OIDIsRecordNumber)(VARIANT_BOOL *OIDIsRecordNumber);
  STDMETHOD(get_NativeType)(esriDatasetType DatasetType, BSTR localName, INativeType **ppNativeType);
  STDMETHOD(get_DatasetNames)(esriDatasetType DatasetType, IArray **DatasetNames);
  STDMETHOD(OpenDataset)(BSTR localName, IPlugInDatasetHelper **datasetHelper);

private:
  HRESULT CreatePlugInDatasetHelper(BSTR fileName, IPlugInDatasetInfo ** ppPlugInDatasetInfo);
  CComBSTR m_sWorkspacePath;    // file path to the workspace
  PlugInDatasets m_mapDatasets; // cache of open dataset pointers 

};

#endif //__SIMPLEPOINTWORKSPACEHELPER_H_