426 lines
12 KiB
C++
426 lines
12 KiB
C++
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//==============================================================;
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//
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// This source code is only intended as a supplement to existing Microsoft documentation.
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//
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//
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//
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//
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// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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// PURPOSE.
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//
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// Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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//
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//
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//
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//==============================================================;
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#include "Comp.h"
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#include "CompData.h"
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#include "Space.h"
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#include "DataObj.h"
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#include <commctrl.h> // Needed for button styles...
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#include <crtdbg.h>
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#include "globals.h"
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#include "resource.h"
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#include "DeleBase.h"
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#include "CompData.h"
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CComponent::CComponent(CComponentData *pParent)
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: m_pParent(pParent), m_cref(0), m_ipConsole(NULL), m_pLastNode(NULL)
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{
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OBJECT_CREATED
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}
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CComponent::~CComponent()
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{
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OBJECT_DESTROYED
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}
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STDMETHODIMP CComponent::QueryInterface(REFIID riid, LPVOID *ppv)
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{
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if (!ppv)
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return E_FAIL;
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*ppv = NULL;
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if (IsEqualIID(riid, IID_IUnknown))
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*ppv = static_cast<IComponent *>(this);
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else if (IsEqualIID(riid, IID_IComponent))
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*ppv = static_cast<IComponent *>(this);
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else if (IsEqualIID(riid, IID_IResultOwnerData))
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*ppv = static_cast<IResultOwnerData *>(this);
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if (*ppv)
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{
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reinterpret_cast<IUnknown *>(*ppv)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) CComponent::AddRef()
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{
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return InterlockedIncrement((LONG *)&m_cref);
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}
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STDMETHODIMP_(ULONG) CComponent::Release()
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{
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if (InterlockedDecrement((LONG *)&m_cref) == 0)
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{
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delete this;
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return 0;
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}
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return m_cref;
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}
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///////////////////////////////
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// Interface IComponent
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///////////////////////////////
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STDMETHODIMP CComponent::Initialize(
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/* [in] */ LPCONSOLE lpConsole)
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{
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HRESULT hr = S_OK;
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// Save away all the interfaces we'll need.
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// Fail if we can't QI the required interfaces.
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m_ipConsole = lpConsole;
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m_ipConsole->AddRef();
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return hr;
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}
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STDMETHODIMP CComponent::Notify(
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/* [in] */ LPDATAOBJECT lpDataObject,
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/* [in] */ MMC_NOTIFY_TYPE event,
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/* [in] */ LPARAM arg,
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/* [in] */ LPARAM param)
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{
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MMCN_Crack(FALSE, lpDataObject, NULL, this, event, arg, param);
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//Return S_FALSE for any unhandled notifications. MMC then
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//performs a default operation for the particular notification
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HRESULT hr = S_FALSE;
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// MMCN_VIEW_CHANGE and MMCN_CUTORMOVE
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static CDelegationBase *pLastPasteQuery = NULL;
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if (MMCN_VIEW_CHANGE == event)
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{
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switch (param)
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{//arg holds the data. For a scope item, this is the
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//item's HSCOPEITEM. For a result item, this is
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//the item's nId value, but we don't use it
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//param holds the hint passed to IConsole::UpdateAllViews.
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//hint is a value of the UPDATE_VIEWS_HINT enumeration
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case UPDATE_SCOPEITEM:
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hr = m_ipConsole->SelectScopeItem( (HSCOPEITEM)arg );
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_ASSERT( S_OK == hr);
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break;
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case UPDATE_RESULTITEM:
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CDelegationBase *base = GetOurDataObject(lpDataObject)->GetBaseNodeObject();
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hr = base->OnUpdateItem(m_ipConsole, (long)arg, RESULT);
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break;
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}
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return S_OK;
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}
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if (MMCN_CUTORMOVE == event && pLastPasteQuery != NULL)
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{
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//arg contains the data object of the cut object
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//we get its CDelegationBase and then cast it
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//to its proper type.
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CDelegationBase *base = GetOurDataObject( (LPDATAOBJECT)arg )->GetBaseNodeObject();
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CRocket *pRocket = dynamic_cast<CRocket *>(base);
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if (NULL == pRocket)
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{// The cut item is a scope item. Delete it.
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CSpaceStation* pSpaceStn = dynamic_cast<CSpaceStation*>(base);
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if (NULL != pSpaceStn)
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{
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hr = pSpaceStn->OnDeleteScopeItem(m_pParent->GetConsoleNameSpace());
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return hr;
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}
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}
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//The cut item is a result item. Set its isDeleted member to TRUE.
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//This tells the source scope item that the object no longer
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//needs to be inserted in its result pane
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pRocket->setDeletedStatus(TRUE);
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//Update the source scope item in all views. We need
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//a dummy data object for UpdateAllViews.
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//pLastPasteQuery is the lpDataObject of the source scope item
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//See MMCN_SHOW below
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IDataObject *pDummy = NULL;
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hr = m_pParent->m_ipConsole->UpdateAllViews(pDummy, (long)(pLastPasteQuery->GetHandle()), UPDATE_SCOPEITEM);
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_ASSERT( S_OK == hr);
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return S_OK;
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}
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//Remaining notifications
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//Get our data object. If it is NULL, we return with S_FALSE.
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//See implementation of GetOurDataObject() to see how to
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//handle special data objects.
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CDataObject *pDataObject = GetOurDataObject(lpDataObject);
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if (NULL == pDataObject)
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return S_FALSE;
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CDelegationBase *base = pDataObject->GetBaseNodeObject();
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switch (event)
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{
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case MMCN_SHOW:
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if (arg)
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{//scope item selected
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OutputDebugString(_T("Changing selected scope node\n"));
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//We use this for drag-and-drop operations.
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pLastPasteQuery = base;
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}
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hr = base->OnShow(m_ipConsole, (BOOL)arg, (HSCOPEITEM)param);
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break;
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case MMCN_ADD_IMAGES:
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hr = base->OnAddImages((IImageList *)arg, (HSCOPEITEM)param);
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break;
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case MMCN_SELECT:
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hr = base->OnSelect(m_ipConsole, (BOOL)LOWORD(arg), (BOOL)HIWORD(arg));
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break;
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case MMCN_REFRESH:
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hr = base->OnRefresh(m_pParent->m_ipConsole);
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break;
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case MMCN_DELETE:
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//first delete the selected result item
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hr = base->OnDelete(m_ipConsole);
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//Now call IConsole::UpdateAllViews to redraw all views
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//owned by the parent scope item. OnRefresh already does
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//this for us, so use it.
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hr = base->OnRefresh(m_pParent->m_ipConsole);
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break;
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case MMCN_RENAME:
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hr = base->OnRename((LPOLESTR)param);
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//Now call IConsole::UpdateAllViews to redraw the item in all views.
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hr = m_pParent->m_ipConsole->UpdateAllViews(lpDataObject, 0, UPDATE_RESULTITEM);
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_ASSERT( S_OK == hr);
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break;
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case MMCN_QUERY_PASTE:
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{
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CDataObject *pPastedDO = GetOurDataObject((IDataObject *)arg);
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if (pPastedDO != NULL)
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{
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CDelegationBase *pasted = pPastedDO->GetBaseNodeObject();
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if (pasted != NULL)
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{
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hr = base->OnQueryPaste(pasted);
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}
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}
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}
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break;
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case MMCN_PASTE:
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{
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CDataObject *pPastedDO = GetOurDataObject((IDataObject *)arg);
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if (pPastedDO != NULL)
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{
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CDelegationBase *pasted = pPastedDO->GetBaseNodeObject();
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if (pasted != NULL)
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{
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hr = base->OnPaste(m_ipConsole, m_pParent, pasted);
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if (SUCCEEDED(hr))
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{
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// Determine if the item to be pasted is scope or result item.
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CRocket* pRocket = dynamic_cast<CRocket*>(pasted);
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BOOL bResult = pRocket ? TRUE : FALSE; // Rocket item is result item.
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CDataObject *pObj = new CDataObject((MMC_COOKIE)pasted, bResult ? CCT_RESULT : CCT_SCOPE);
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if (!pObj)
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return E_OUTOFMEMORY;
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pObj->QueryInterface(IID_IDataObject, (void **)param);
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//now update the destination scope item in all views.
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//But only do this if this is not a drag-and-drop
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//operation. That is, the destination scope item
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//is the currently selected one.
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if (pLastPasteQuery != NULL && pLastPasteQuery == base)
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{
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IDataObject *pDummy = NULL;
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hr = m_pParent->m_ipConsole->UpdateAllViews(pDummy,
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(long)(pLastPasteQuery->GetHandle()), UPDATE_SCOPEITEM);
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_ASSERT( S_OK == hr);
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}
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}
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}
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}
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}
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break;
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}
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return hr;
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}
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STDMETHODIMP CComponent::Destroy(
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/* [in] */ MMC_COOKIE cookie)
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{
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if (m_ipConsole)
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{
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m_ipConsole->Release();
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m_ipConsole = NULL;
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}
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return S_OK;
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}
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STDMETHODIMP CComponent::QueryDataObject(
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/* [in] */ MMC_COOKIE cookie,
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/* [in] */ DATA_OBJECT_TYPES type,
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/* [out] */ LPDATAOBJECT __RPC_FAR *ppDataObject)
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{
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CDataObject *pObj = NULL;
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CDelegationBase *pBase = NULL;
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if (IsBadReadPtr((void *)cookie, sizeof(CDelegationBase)))
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{
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if (NULL == m_pLastNode)
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return E_FAIL;
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pBase = m_pLastNode->GetChildPtr((int)cookie);
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}
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else
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{
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pBase = (cookie == 0) ? m_pParent->m_pStaticNode : (CDelegationBase *)cookie;
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}
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if (pBase == NULL)
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return E_FAIL;
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pObj = new CDataObject((MMC_COOKIE)pBase, type);
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if (!pObj)
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return E_OUTOFMEMORY;
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pObj->QueryInterface(IID_IDataObject, (void **)ppDataObject);
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return S_OK;
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}
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STDMETHODIMP CComponent::GetResultViewType(
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/* [in] */ MMC_COOKIE cookie,
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/* [out] */ LPOLESTR __RPC_FAR *ppViewType,
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/* [out] */ long __RPC_FAR *pViewOptions)
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{
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CDelegationBase *base = m_pLastNode = (CDelegationBase *)cookie;
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//
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// Ask for default listview.
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//
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if (base == NULL)
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{
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*pViewOptions = MMC_VIEW_OPTIONS_NONE;
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*ppViewType = NULL;
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}
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else
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return base->GetResultViewType(ppViewType, pViewOptions);
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return S_OK;
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}
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STDMETHODIMP CComponent::GetDisplayInfo(
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/* [out][in] */ RESULTDATAITEM __RPC_FAR *pResultDataItem)
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{
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HRESULT hr = S_OK;
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CDelegationBase *base = NULL;
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// if they are asking for the RDI_STR we have one of those to give
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if (pResultDataItem->lParam)
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{
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base = (CDelegationBase *)pResultDataItem->lParam;
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if (pResultDataItem->mask & RDI_STR)
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{
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LPCTSTR pszT = base->GetDisplayName(pResultDataItem->nCol);
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MAKE_WIDEPTR_FROMTSTR_ALLOC(pszW, pszT);
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pResultDataItem->str = pszW;
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}
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if (pResultDataItem->mask & RDI_IMAGE)
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{
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pResultDataItem->nImage = base->GetBitmapIndex();
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}
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}
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else
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{
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m_pLastNode->GetChildColumnInfo(pResultDataItem);
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}
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return hr;
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}
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STDMETHODIMP CComponent::CompareObjects(
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||
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/* [in] */ LPDATAOBJECT lpDataObjectA,
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||
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/* [in] */ LPDATAOBJECT lpDataObjectB)
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||
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|
{
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||
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CDelegationBase *baseA = GetOurDataObject(lpDataObjectA)->GetBaseNodeObject();
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||
|
|
CDelegationBase *baseB = GetOurDataObject(lpDataObjectB)->GetBaseNodeObject();
|
||
|
|
|
||
|
|
// compare the object pointers
|
||
|
|
if (baseA->GetCookie() == baseB->GetCookie())
|
||
|
|
return S_OK;
|
||
|
|
|
||
|
|
return S_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
///////////////////////////////
|
||
|
|
// Interface IComponent
|
||
|
|
///////////////////////////////
|
||
|
|
STDMETHODIMP CComponent::FindItem(
|
||
|
|
/* [in] */ LPRESULTFINDINFO pFindInfo,
|
||
|
|
/* [out] */ int __RPC_FAR *pnFoundIndex)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CComponent::CacheHint(
|
||
|
|
/* [in] */ int nStartIndex,
|
||
|
|
/* [in] */ int nEndIndex)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP CComponent::SortItems(
|
||
|
|
/* [in] */ int nColumn,
|
||
|
|
/* [in] */ DWORD dwSortOptions,
|
||
|
|
/* [in] */ LPARAM lUserParam)
|
||
|
|
{
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|