147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1999
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//
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// File: columninfo.cpp
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//
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// Contents: Classes related to column persistence.
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//
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//
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// Note: The classes in this file (CColumnInfo, CColumnInfoList)
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// were in nodemgr/colwidth.h. They are moved here so that
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// if columns change conui can ask nodemgr to persist data
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// or conui can set headers by asking nodemgr for data.
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//
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// History: 04-Apr-00 AnandhaG Created
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//
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//--------------------------------------------------------------------------
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#include "stgio.h"
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#include "serial.h"
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#include "mmcdebug.h"
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#include "mmcerror.h"
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#include <string>
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#include "cstr.h"
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#include "xmlbase.h"
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#include "countof.h"
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#include "columninfo.h"
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//+-------------------------------------------------------------------
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//
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// Member: ReadSerialObject
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//
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// Synopsis: Read the CColumnInfo object from the stream.
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//
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// Arguments: [stm] - The input stream.
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// [nVersion] - The version of the object being read.
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//
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// The format is :
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// INT column index
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// INT column width
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// INT column format
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//
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//--------------------------------------------------------------------
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HRESULT CColumnInfo::ReadSerialObject (IStream &stm, UINT nVersion /*,LARGE_INTEGER nBytes*/)
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{
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HRESULT hr = S_FALSE; // assume bad version
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if (GetVersion() == nVersion)
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{
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try
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{
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stm >> m_nCol;
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stm >> m_nWidth;
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stm >> m_nFormat;
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hr = S_OK;
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}
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catch (_com_error& err)
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{
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hr = err.Error();
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ASSERT (false && "Caught _com_error");
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}
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}
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return (hr);
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}
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//+-------------------------------------------------------------------
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//
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// Member: CColumnInfo::Persist
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//
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// Synopsis: Persists object data
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//
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// Arguments:
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//
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// History: 10-10-1999 AudriusZ Created
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//
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//--------------------------------------------------------------------
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void CColumnInfo::Persist(CPersistor &persistor)
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{
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persistor.PersistAttribute(XML_ATTR_COLUMN_INFO_COLUMN, m_nCol) ;
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persistor.PersistAttribute(XML_ATTR_COLUMN_INFO_WIDTH, m_nWidth) ;
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static const EnumLiteral mappedFormats[] =
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{
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{ LVCFMT_LEFT, XML_ENUM_COL_INFO_LVCFMT_LEFT },
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{ LVCFMT_RIGHT, XML_ENUM_COL_INFO_LVCFMT_RIGHT },
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{ LVCFMT_CENTER, XML_ENUM_COL_INFO_LVCFMT_CENTER },
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};
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CXMLEnumeration formatPersistor(m_nFormat, mappedFormats, countof(mappedFormats) );
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persistor.PersistAttribute(XML_ATTR_COLUMN_INFO_FORMAT, formatPersistor) ;
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}
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//+-------------------------------------------------------------------
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//
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// Member: ReadSerialObject
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//
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// Synopsis: Reads CColumnInfoList data from stream for the given version.
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//
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// Format: number of columns : each CColumnInfo entry.
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//
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// Arguments: [stm] - The input stream.
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// [nVersion] - Version of CColumnInfoList to be read.
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//
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//
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//--------------------------------------------------------------------
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HRESULT CColumnInfoList::ReadSerialObject (IStream &stm, UINT nVersion /*,LARGE_INTEGER nBytes*/)
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{
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HRESULT hr = S_FALSE; // assume bad version
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if (GetVersion() == nVersion)
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{
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try
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{
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// Number of columns.
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DWORD dwCols;
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stm >> dwCols;
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clear();
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for (int i = 0; i < dwCols; i++)
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{
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CColumnInfo colEntry;
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// Read the colEntry data.
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if (colEntry.Read(stm) != S_OK)
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continue;
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push_back(colEntry);
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}
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hr = S_OK;
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}
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catch (_com_error& err)
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{
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hr = err.Error();
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ASSERT (false && "Caught _com_error");
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}
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}
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return (hr);
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}
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