windows-nt/Source/XPSP1/NT/admin/activec/samples/benefits/rootnode.cpp
2020-09-26 16:20:57 +08:00

268 lines
6.6 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
//
// Copyright (C) Microsoft Corporation, 1999 - 1999
//
// File: rootnode.cpp
//
//--------------------------------------------------------------------------
// RootNode.cpp: implementation of the CRootNode class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "resource.h"
#include "RootNode.h"
#include "BenNodes.h"
#include "Dialogs.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
static const GUID CBenefitsGUID_NODETYPE =
{ 0xe0573e71, 0xd325, 0x11d1, { 0x84, 0x6c, 0x0, 0x10, 0x4b, 0x21, 0x1b, 0xe5 } };
const GUID* CRootNode::m_NODETYPE = &CBenefitsGUID_NODETYPE;
const TCHAR* CRootNode::m_SZNODETYPE = _T("E0573E71-D325-11D1-846C-00104B211BE5");
const TCHAR* CRootNode::m_SZDISPLAY_NAME = _T("Benefits");
const CLSID* CRootNode::m_SNAPIN_CLASSID = &CLSID_Benefits;
//
// Pass NULL in as the employee since this contains the valid
// employee. The pointer to the employee is leftover baggage
// from using the CBenefitsData() template.
//
CRootNode::CRootNode() : CChildrenBenefitsData< CRootNode >()
{
m_scopeDataItem.nOpenImage = 5;
m_scopeDataItem.nImage = 4;
//
// Always clear our dirty flag.
//
m_fDirty = false;
}
//
// Creates the benefits subnodes for the scope pane.
//
BOOL CRootNode::InitializeSubNodes()
{
CSnapInItem* pNode;
//
// Allocate sub nodes and add them to our internal list.
//
pNode = new CHealthNode( &m_Employee );
if ( pNode == NULL || m_Nodes.Add( pNode ) == FALSE )
return( FALSE );
pNode = new CRetirementNode( &m_Employee );
if ( pNode == NULL || m_Nodes.Add( pNode ) == FALSE )
return( FALSE );
pNode = new CKeyNode( &m_Employee );
if ( pNode == NULL || m_Nodes.Add( pNode ) == FALSE )
return( FALSE );
return( TRUE );
}
//
// Overridden to provide employee name for root node.
//
STDMETHODIMP CRootNode::FillData( CLIPFORMAT cf, LPSTREAM pStream )
{
HRESULT hr = DV_E_CLIPFORMAT;
ULONG uWritten;
//
// We need to write out our own member since GetDisplayName() does
// not give us an opportunity override its static implementation by
// ATL.
//
if (cf == m_CCF_NODETYPE)
{
hr = pStream->Write( GetNodeType(), sizeof(GUID), &uWritten);
return hr;
}
if (cf == m_CCF_SZNODETYPE)
{
hr = pStream->Write( GetSZNodeType(), (lstrlen((LPCTSTR) GetSZNodeType()) + 1 )* sizeof(TCHAR), &uWritten);
return hr;
}
if (cf == m_CCF_DISPLAY_NAME)
{
USES_CONVERSION;
TCHAR szDisplayName[ 256 ];
LPWSTR pwszName;
// Create a full display name.
CreateDisplayName( szDisplayName );
pwszName = T2W( szDisplayName );
hr = pStream->Write( pwszName, wcslen( pwszName ) * sizeof( WCHAR ), &uWritten);
return hr;
}
if (cf == m_CCF_SNAPIN_CLASSID)
{
hr = pStream->Write( GetSnapInCLSID(), sizeof(GUID), &uWritten);
return hr;
}
return hr;
}
//
// Overridden to add new columns to the results
// display.
//
STDMETHODIMP CRootNode::OnShowColumn( IHeaderCtrl* pHeader )
{
USES_CONVERSION;
HRESULT hr = E_FAIL;
CComPtr<IHeaderCtrl> spHeader( pHeader );
//
// Add two columns: one with the name of the object and one with
// the description of the node. Use the value of 200 pixels as the size.
//
hr = spHeader->InsertColumn( 0, T2OLE( _T( "Benefit" ) ), LVCFMT_LEFT, 200 );
_ASSERTE( SUCCEEDED( hr ) );
//
// Add the second column. Use the value of 350 pixels as the size.
//
hr = spHeader->InsertColumn( 1, T2OLE( _T( "Description" ) ), LVCFMT_LEFT, 350 );
_ASSERTE( SUCCEEDED( hr ) );
return( hr );
}
STDMETHODIMP CRootNode::CreatePropertyPages(LPPROPERTYSHEETCALLBACK lpProvider,
long handle,
IUnknown* pUnk,
DATA_OBJECT_TYPES type)
{
UNUSED_ALWAYS( pUnk );
HRESULT hr = E_UNEXPECTED;
if ( type == CCT_SCOPE || type == CCT_RESULT || type == CCT_SNAPIN_MANAGER )
{
bool fStartup;
//
// Set the start-up flag based on the type of pages to be
// created.
//
fStartup = type == CCT_SNAPIN_MANAGER ? true : false;
//
// Allocate the new page. The second parameter of the constructor
// indicates whether or not this is the start-up wizard. The dialog
// handler will update the UI appropriately.
//
CEmployeeNamePage* pNamePage = new CEmployeeNamePage( handle, fStartup, false, _T( "Employee Name" ) );
CEmployeeAddressPage* pAddressPage = new CEmployeeAddressPage( handle, fStartup, false, _T( "Employee Address" ) );
//
// Set the page's employee.
//
pNamePage->m_pEmployee = &m_Employee;
pAddressPage->m_pEmployee = &m_Employee;
lpProvider->AddPage( pNamePage->Create() );
lpProvider->AddPage( pAddressPage->Create() );
//
// The second parameter to the property page class constructor
// should be true for only one page.
//
hr = S_OK;
}
return( hr );
}
//
// Ensures that the appropriate verbs are displayed.
//
STDMETHODIMP CRootNode::OnSelect( IConsole* pConsole )
{
//
// Since we display property pages, make sure that the property page
// verb is enabled.
//
CComPtr<IConsoleVerb> spConsoleVerb;
HRESULT hr = pConsole->QueryConsoleVerb( &spConsoleVerb );
//
// Enable the properties verb.
//
hr = spConsoleVerb->SetVerbState( MMC_VERB_PROPERTIES, ENABLED, TRUE );
_ASSERTE( SUCCEEDED( hr ) );
return( hr );
}
//
// Received when a property has changed. This function
// modifies the employee's display text. At a later date,
// it may post this message to its sub-nodes.
//
STDMETHODIMP CRootNode::OnPropertyChange( IConsole* pConsole )
{
HRESULT hr;
SCOPEDATAITEM* pScopeData;
CComQIPtr<IConsoleNameSpace,&IID_IConsoleNameSpace> spNamespace( pConsole );
TCHAR szNameBuf[ 256 ];
//
// For demonstration purposes, always set the modified flag. This
// could be done more intelligently for real purposes.
//
SetModified();
//
// Always assume that the name changed. Recreate the display name
// since this will be called for after SetItem() is called.
//
CreateDisplayName( szNameBuf );
m_bstrDisplayName = szNameBuf;
//
// Fill out the scope item structure and set the item.
// This will cause MMC to call us for the new display
// text.
//
hr = GetScopeData( &pScopeData );
//
// Make sure that callback is specified.
//
hr = spNamespace->SetItem( pScopeData );
return( hr );
}
//
// Simply function to create the display name from the
// employee data.
//
int CRootNode::CreateDisplayName( TCHAR* szBuf )
{
USES_CONVERSION;
//
// Create a full display name.
//
_tcscpy( szBuf, W2T( m_Employee.m_szLastName ) );
_tcscat( szBuf, _T( ", " ) );
_tcscat( szBuf, W2T( m_Employee.m_szFirstName ) );
return( _tcslen( szBuf ) );
}