windows-nt/Source/XPSP1/NT/admin/activec/test/snapins/sample/dragdroptest.cpp
2020-09-26 16:20:57 +08:00

769 lines
20 KiB
C++

//+-------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1994 - 1999
//
// File: DragDropTest.cxx
//
// Contents: Classes that implement Drag & Drop tests using the framework.
//
//--------------------------------------------------------------------
#include "stdafx.hxx"
int CDragDropSnapinRootItem::s_iNextChildID = 0;
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinRootItem::ScInit
//
// Synopsis: Called immeadiately after the item is created to init
// displayname, icon index etc...
//
// Arguments: [CBaseSnapin] -
// [CColumnInfoEx] - Any columns to be displayed for this item.
// [INT] - # of columns
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinRootItem::ScInit(CBaseSnapin *pSnapin, CColumnInfoEx *pcolinfoex, INT ccolinfoex, BOOL fIsRoot)
{
DECLARE_SC(sc, _T("CDragDropSnapinRootItem::ScInit"));
sc = CBaseSnapinItem::ScInit(pSnapin, pcolinfoex, ccolinfoex, fIsRoot);
if (sc)
return sc;
// Init following
// a. Icon index.
// b. Load display name.
m_uIconIndex = 3; // use an enum instead of 3
m_strDisplayName.LoadString(_Module.GetResourceInstance(), IDS_DragDropRoot);
tstring strItem;
strItem.LoadString(_Module.GetResourceInstance(), IDS_DragDropScopeItem);
int cChildren = 4; // child nodes.
WTL::CString strTemp;
for (int i = 0; i < cChildren; ++i)
{
strTemp.Format(_T("%s - %d"), strItem.data(), i);
m_vecContainerItems.push_back((LPCTSTR)strTemp);
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinRootItem::ScGetField
//
// Synopsis: Get the string representation for given field to display
// it in result pane.
//
// Arguments: [DAT] - The column requested (this is an enumeration).
// [tstring] - Out string.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinRootItem::ScGetField (DAT dat, tstring& strField)
{
DECLARE_SC(sc, _T("CDragDropSnapinRootItem::ScGetField"));
switch(dat)
{
case datString1:
strField = m_strDisplayName;
break;
case datString2:
strField = _T("Root String2");
break;
case datString3:
strField = _T("Root String3");
break;
default:
E_INVALIDARG;
break;
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinRootItem::ScCreateChildren
//
// Synopsis: Create any children (nodes & leaf items) for this item.
//
// Arguments: None
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinRootItem::ScCreateChildren ()
{
DECLARE_SC(sc, _T("CDragDropSnapinRootItem::ScCreateChildren"));
CDragDropSnapinLVContainer * pitemChild = NULL;
CDragDropSnapinLVContainer * pitemPrevious = NULL;
// Let us create child items for this container.
StringVector::iterator itItem;
// Create scope items for this container.
for (itItem = m_vecContainerItems.begin(); itItem != m_vecContainerItems.end(); ++itItem, ++s_iNextChildID )
{
// Create the child nodes and init them.
sc = CDragDropSnapinLVContainer::ScCreateLVContainer(this, pitemPrevious, &pitemChild, FALSE); // Why FALSE???
if (sc)
return sc;
pitemPrevious = pitemChild;
pitemChild->SetDisplayName(*itItem);
}
return (sc);
}
SC CDragDropSnapinRootItem::ScInitializeChild(CBaseSnapinItem* pitem)
{
CDragDropSnapinLVContainer *pDDItem = dynamic_cast<CDragDropSnapinLVContainer*>(pitem);
if (pDDItem)
pDDItem->SetDisplayIndex(s_iNextChildID);
return CBaseSnapinItem::ScInitializeChild(pitem);
}
// Initialize context menu structures. Let us have one item for demonstration.
SnapinMenuItem CDragDropSnapinRootItem::s_rgmenuitemRoot[] =
{
{IDS_EnablePasteInToResultItem, IDS_EnablePasteInToResultItem, IDS_EnablePasteInToResultItem, CCM_INSERTIONPOINTID_PRIMARY_TOP, NULL, dwMenuAlwaysEnable, dwMenuNeverGray, 0},
{IDS_DisableCut, IDS_DisableCut, IDS_DisableCut, CCM_INSERTIONPOINTID_PRIMARY_TOP, NULL, dwMenuAlwaysEnable, dwMenuNeverGray, 0},
};
INT CDragDropSnapinRootItem::s_cmenuitemRoot = CMENUITEM(s_rgmenuitemRoot);
// -----------------------------------------------------------------------------
SnapinMenuItem *CDragDropSnapinRootItem::Pmenuitem(void)
{
return s_rgmenuitemRoot;
}
// -----------------------------------------------------------------------------
INT CDragDropSnapinRootItem::CMenuItem(void)
{
return s_cmenuitemRoot;
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinRootItem::ScCommand
//
// Synopsis:
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinRootItem::ScCommand (long nCommandID, CComponent *pComponent)
{
DECLARE_SC(sc, _T("CDragDropSnapinRootItem::ScCommand"));
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return sc;
switch(nCommandID)
{
case IDS_EnablePasteInToResultItem:
{
BOOL bEnabled = pDragDropSnapin->FPasteIntoResultPane();
pDragDropSnapin->SetPasteIntoResultPane(!bEnabled);
for (int i = 0; i < CMenuItem(); ++i)
{
if (s_rgmenuitemRoot[i].lCommandID == IDS_EnablePasteInToResultItem)
s_rgmenuitemRoot[i].dwFlagsChecked = (!bEnabled);
}
}
break;
case IDS_DisableCut:
{
BOOL bDisabled = pDragDropSnapin->FCutDisabled();
pDragDropSnapin->SetCutDisabled(! bDisabled);
for (int i = 0; i < CMenuItem(); ++i)
{
if (s_rgmenuitemRoot[i].lCommandID == IDS_DisableCut)
s_rgmenuitemRoot[i].dwFlagsChecked = (!bDisabled);
}
}
break;
default:
sc = E_INVALIDARG;
break;
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVContainer::ScInit
//
// Synopsis: Called immeadiately after the item is created to init
// displayname, icon index etc...
//
// Arguments: [CBaseSnapin] -
// [CColumnInfoEx] - Any columns to be displayed for this item.
// [INT] - # of columns
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVContainer::ScInit(CBaseSnapin *pSnapin, CColumnInfoEx *pcolinfoex, INT ccolinfoex, BOOL fIsRoot)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVContainer::ScInit"));
sc = CBaseSnapinItem::ScInit(pSnapin, pcolinfoex, ccolinfoex, fIsRoot);
if (sc)
return sc;
// Init following
// a. Icon index.
// b. Load display name.
m_uIconIndex = 4; // use an enum instead of 4
m_strDisplayName = _T("None");
tstring strLeafItem;
strLeafItem.LoadString(_Module.GetResourceInstance(), IDS_DragDropResultItem);
int cLeafItems = 4;
WTL::CString strTemp;
for (int i = 0; i < cLeafItems; ++i)
{
strTemp.Format(_T("%s - [%d : %d]"), strLeafItem.data(), m_index, i);
m_vecLeafItems.push_back((LPCTSTR)strTemp);
}
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVContainer::ScGetField
//
// Synopsis: Get the string representation for given field to display
// it in result pane.
//
// Arguments: [DAT] - The column requested (this is an enumeration).
// [tstring] - Out string.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVContainer::ScGetField (DAT dat, tstring& strField)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVContainer::ScGetField"));
switch(dat)
{
case datString1:
strField = m_strDisplayName;
break;
case datString2:
strField = _T("None");
break;
default:
E_INVALIDARG;
break;
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVContainer::ScCreateChildren
//
// Synopsis: Create any children (nodes & leaf items) for this item.
//
// Arguments: None
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVContainer::ScCreateChildren ()
{
DECLARE_SC(sc, _T("CDragDropSnapinLVContainer::ScCreateChildren"));
CDragDropSnapinLVContainer* pitem = NULL;
CDragDropSnapinLVLeafItem * pitemChild = NULL;
CBaseSnapinItem * pitemPrevious = NULL;
StringVector::iterator itItem;
int index = 0;
// Create scope items for this container.
for (itItem = m_vecContainerItems.begin(); itItem != m_vecContainerItems.end(); ++itItem, ++index )
{
// Create the child nodes and init them.
sc = CDragDropSnapinLVContainer::ScCreateLVContainer(this, NULL, &pitem, FALSE); // Why FALSE???
if (sc)
return sc;
pitem->SetDisplayName(*itItem);
pitem->SetDisplayIndex(index);
pitemPrevious = pitem;
}
// Create leaf items for this container.
for (itItem = m_vecLeafItems.begin(); itItem != m_vecLeafItems.end(); ++itItem )
{
// Create the child nodes and init them.
sc = CDragDropSnapinLVLeafItem::ScCreateLVLeafItem(this, pitemPrevious, &pitemChild, FALSE); // Why FALSE???
if (sc)
return sc;
pitemChild->SetDisplayName(*itItem );
pitemPrevious = pitemChild;
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVContainer::ScCreateLVContainer
//
// Synopsis: Do we really need this method?
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVContainer::ScCreateLVContainer(CBaseSnapinItem *pitemParent, CBaseSnapinItem *pitemPrevious, CDragDropSnapinLVContainer ** ppitem, BOOL fNew)
{
DECLARE_SC(sc, _T("CDragDropSnapinRootItem::ScCreateLVContainer"));
t_item * pitem = NULL;
*ppitem = NULL;
// What to do here?
sc = ::ScCreateItem(pitemParent, pitemPrevious, &pitem, fNew);
if (sc)
return sc;
*ppitem = pitem;
return (sc);
}
SC CDragDropSnapinLVContainer::ScOnSelect(CComponent * pComponent, LPDATAOBJECT lpDataObject, BOOL fScope, BOOL fSelect)
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVContainer::ScOnSelect"));
sc = ScCheckPointers(pComponent);
if (sc)
return sc;
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return S_OK;
IConsoleVerb *pConsoleVerb = pComponent->IpConsoleVerb();
sc = pConsoleVerb ? pConsoleVerb->SetVerbState(MMC_VERB_CUT, ENABLED, !pDragDropSnapin->FCutDisabled()) : E_UNEXPECTED;
return (sc);
}
SC CDragDropSnapinLVContainer::ScOnQueryPaste(LPDATAOBJECT pDataObject, BOOL *pfCanPaste)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVContainer::ScOnQueryPaste"));
sc = ScCheckPointers(pDataObject, pfCanPaste);
if (sc)
return sc;
*pfCanPaste = FALSE;
CLSID guidNodeType;
sc = ScGetNodeType(pDataObject, &guidNodeType);
if (sc)
return sc;
if (IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVContainer) ||
IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVLeafItem) )
{
*pfCanPaste = TRUE;
return (sc = S_OK);
}
return (sc = S_FALSE);
}
SC CDragDropSnapinLVContainer::ScOnPaste(LPDATAOBJECT pDataObject, BOOL fMove, BOOL *pfPasted)
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVContainer::ScOnPaste"));
sc = ScCheckPointers(pDataObject, pfPasted);
if (sc)
return sc;
*pfPasted = FALSE;
CLSID guidNodeType;
sc = ScGetNodeType(pDataObject, &guidNodeType);
if (sc)
return sc;
tstring strDispName;
sc = ScGetDisplayName(pDataObject, strDispName);
if (sc)
return sc;
if (IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVContainer) )
{
m_vecContainerItems.push_back(strDispName);
}
else if (IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVLeafItem) )
{
m_vecLeafItems.push_back(strDispName);
}
else
return (sc = S_FALSE);
*pfPasted = TRUE;
return sc;
}
BOOL CDragDropSnapinLVContainer::FAllowPasteForResultItems()
{
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return FALSE;
return pDragDropSnapin->FPasteIntoResultPane();
}
SC CDragDropSnapinLVContainer::ScOnCutOrMove()
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVContainer::ScOnCutOrMove"));
LPDATAOBJECT pDataObject = dynamic_cast<LPDATAOBJECT>(this);
sc = ScCheckPointers(pDataObject, E_UNEXPECTED);
if (sc)
return sc;
tstring strDispName;
sc = ScGetDisplayName(pDataObject, strDispName);
if (sc)
return sc;
CDragDropSnapinLVContainer *pitemParent = dynamic_cast<CDragDropSnapinLVContainer*>(PitemParent());
sc = ScCheckPointers(pitemParent, E_UNEXPECTED);
if (! sc.IsError())
{
sc = pitemParent->_ScDeleteCutItem(strDispName, true);
return sc;
}
CDragDropSnapinRootItem *pRootitem= dynamic_cast<CDragDropSnapinRootItem*>(PitemParent());
sc = ScCheckPointers(pRootitem, E_UNEXPECTED);
if (sc)
return sc;
sc = pRootitem->_ScDeleteCutItem(strDispName);
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVLeafItem::ScInit
//
// Synopsis: Called immeadiately after the item is created to init
// displayname, icon index etc...
//
// Arguments: [CBaseSnapin] -
// [CColumnInfoEx] - Any columns to be displayed for this item.
// [INT] - # of columns
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVLeafItem::ScInit(CBaseSnapin *pSnapin, CColumnInfoEx *pcolinfoex, INT ccolinfoex, BOOL fIsRoot)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVLeafItem::ScInit"));
sc = CBaseSnapinItem::ScInit(pSnapin, pcolinfoex, ccolinfoex, fIsRoot);
if (sc)
return sc;
// Init following
// a. Icon index.
// b. Load display name.
m_uIconIndex = 7; // use an enum instead of 7
m_strDisplayName = m_strItemPasted = _T("None");
return sc;
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVLeafItem::ScGetField
//
// Synopsis: Get the string representation for given field to display
// it in result pane.
//
// Arguments: [DAT] - The column requested (this is an enumeration).
// [tstring] - Out string.
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVLeafItem::ScGetField (DAT dat, tstring& strField)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVLeafItem::ScGetField"));
switch(dat)
{
case datString1:
strField = m_strDisplayName;
break;
case datString2:
strField = m_strItemPasted;
break;
default:
E_INVALIDARG;
break;
}
return (sc);
}
//+-------------------------------------------------------------------
//
// Member: CDragDropSnapinLVLeafItem::ScCreateLVLeafItem
//
// Synopsis: Do we really need this method?
//
// Arguments:
//
// Returns: SC
//
//--------------------------------------------------------------------
SC CDragDropSnapinLVLeafItem::ScCreateLVLeafItem(CBaseSnapinItem *pitemParent, CBaseSnapinItem * pitemPrevious, CDragDropSnapinLVLeafItem ** ppitem, BOOL fNew)
{
DECLARE_SC(sc, _T("CDragDropSnapinLVLeafItem::ScCreateLVLeafItem"));
t_itemChild * pitem = NULL;
*ppitem = NULL;
// What to do here?
sc = ::ScCreateItem(pitemParent, pitemPrevious, &pitem, fNew);
if (sc)
return sc;
*ppitem = pitem;
return (sc);
}
SC CDragDropSnapinLVLeafItem::ScOnQueryPaste(LPDATAOBJECT pDataObject, BOOL *pfCanPaste)
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVLeafItem::ScOnQueryPaste"));
sc = ScCheckPointers(pDataObject, pfCanPaste);
if (sc)
return sc;
*pfCanPaste = FALSE;
CLSID guidNodeType;
sc = ScGetNodeType(pDataObject, &guidNodeType);
if (sc)
return sc;
if (IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVContainer) ||
IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVLeafItem) )
{
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return S_OK;
*pfCanPaste = pDragDropSnapin->FPasteIntoResultPane();
return (sc = S_OK);
}
return (sc = S_FALSE);
}
SC CDragDropSnapinLVLeafItem::ScGetVerbs(DWORD * pdwVerbs)
{
*pdwVerbs = vmDelete | vmCopy | vmRename;
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return S_OK;
if (pDragDropSnapin->FPasteIntoResultPane())
*pdwVerbs |= vmPaste;
return S_OK;
}
SC CDragDropSnapinLVLeafItem::ScOnSelect(CComponent * pComponent, LPDATAOBJECT lpDataObject, BOOL fScope, BOOL fSelect)
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVLeafItem::ScOnSelect"));
sc = ScCheckPointers(pComponent);
if (sc)
return sc;
CDragDropSnapin *pDragDropSnapin = dynamic_cast<CDragDropSnapin*>(Psnapin());
if (!pDragDropSnapin)
return S_OK;
IConsoleVerb *pConsoleVerb = pComponent->IpConsoleVerb();
sc = pConsoleVerb ? pConsoleVerb->SetVerbState(MMC_VERB_CUT, ENABLED, !pDragDropSnapin->FCutDisabled()) : E_UNEXPECTED;
return (sc);
}
SC CDragDropSnapinLVLeafItem::ScOnPaste(LPDATAOBJECT pDataObject, BOOL fMove, BOOL *pfPasted)
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVLeafItem::ScOnPaste"));
sc = ScCheckPointers(pDataObject, pfPasted);
*pfPasted = FALSE;
CLSID guidNodeType;
sc = ScGetNodeType(pDataObject, &guidNodeType);
if (sc)
return sc;
tstring strDispName;
sc = ScGetDisplayName(pDataObject, strDispName);
if (sc)
return sc;
if (IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVContainer) ||
IsEqualGUID(guidNodeType, clsidNodeTypeDragDropLVLeafItem) )
{
m_strItemPasted = strDispName;
}
else
return (sc = S_FALSE);
*pfPasted = TRUE;
return sc;
}
SC CDragDropSnapinLVLeafItem::ScOnCutOrMove()
{
DECLARE_SC(sc, TEXT("CDragDropSnapinLVLeafItem::ScOnCutOrMove"));
LPDATAOBJECT pDataObject = dynamic_cast<LPDATAOBJECT>(this);
sc = ScCheckPointers(pDataObject, E_UNEXPECTED);
if (sc)
return sc;
tstring strDispName;
sc = ScGetDisplayName(pDataObject, strDispName);
if (sc)
return sc;
CDragDropSnapinLVContainer *pitemParent = dynamic_cast<CDragDropSnapinLVContainer*>(PitemParent());
sc = ScCheckPointers(pitemParent, E_UNEXPECTED);
if (sc)
return sc;
sc = pitemParent->_ScDeleteCutItem(strDispName, false);
return sc;
}
//-------------------------------------------------------------------------------------
// class CDragDropSnapin
#pragma BEGIN_CODESPACE_DATA
SNR CDragDropSnapin::s_rgsnr[] =
{
SNR(&nodetypeDragDropRoot, snrEnumSP ), // Standalone snapin.
SNR(&nodetypeDragDropLVContainer, snrEnumSP | snrEnumRP | snrPaste), // enumerates this node in the scope pane and result pane.
SNR(&nodetypeDragDropLVLeafItem, snrEnumSP | snrEnumRP | snrPaste), // enumerates this node in the scope pane and result pane.
};
LONG CDragDropSnapin::s_rgiconid[] = {3};
LONG CDragDropSnapin::s_iconidStatic = 2;
CColumnInfoEx CDragDropSnapin::s_colinfo[] =
{
CColumnInfoEx(_T("Name"), LVCFMT_LEFT, 250, datString1),
CColumnInfoEx(_T("Last Cut/Copy/Paste operation"), LVCFMT_LEFT, 180, datString2),
};
INT CDragDropSnapin::s_ccolinfo = sizeof(s_colinfo) / sizeof(CColumnInfoEx);
INT CDragDropSnapin::s_colwidths[1];
#pragma END_CODESPACE_DATA
// include members needed for every snapin.
SNAPIN_DEFINE( CDragDropSnapin);
/* CDragDropSnapin::CDragDropSnapin
*
* PURPOSE: Constructor
*
* PARAMETERS: None
*
*/
CDragDropSnapin::CDragDropSnapin()
{
m_pstrDisplayName = new tstring();
*m_pstrDisplayName = _T("DragDrop Snapin Root");
}
/* CDragDropSnapin::~CDragDropSnapin
*
* PURPOSE: Destructor
*
* PARAMETERS: None
*
*/
CDragDropSnapin::~CDragDropSnapin()
{
delete m_pstrDisplayName;
}