sc/source/filter/inc/externallinkfragment.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SC_SOURCE_FILTER_INC_EXTERNALLINKFRAGMENT_HXX
  21 #define INCLUDED_SC_SOURCE_FILTER_INC_EXTERNALLINKFRAGMENT_HXX
  22
  23 #include "excelhandlers.hxx"
  24 #include "externallinkbuffer.hxx"
  25
  26 namespace oox {
  27 namespace xls {
  28
  29 class ExternalLink;
  30
  31 /** This class implements importing the sheetData element in external sheets.
  32
  33     The sheetData element embedded in the externalBook element contains cached
  34     cells from externally linked sheets.
  35  */
  36 class ExternalSheetDataContext : public WorkbookContextBase
  37 {
  38 public:
  39     explicit            ExternalSheetDataContext(
  40                             WorkbookFragmentBase& rFragment,
  41                             const ::com::sun::star::uno::Reference< ::com::sun::star::sheet::XExternalSheetCache >& rxSheetCache );
  42
  43 protected:
  44     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) SAL_OVERRIDE;
  45     virtual void        onCharacters( const OUString& rChars ) SAL_OVERRIDE;
  46
  47     virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm ) SAL_OVERRIDE;
  48
  49 private:
  50     /** Imports cell settings from a c element. */
  51     void                importCell( const AttributeList& rAttribs );
  52
  53     /** Imports the EXTCELL_BLANK from the passed stream. */
  54     void                importExtCellBlank( SequenceInputStream& rStrm );
  55     /** Imports the EXTCELL_BOOL from the passed stream. */
  56     void                importExtCellBool( SequenceInputStream& rStrm );
  57     /** Imports the EXTCELL_DOUBLE from the passed stream. */
  58     void                importExtCellDouble( SequenceInputStream& rStrm );
  59     /** Imports the EXTCELL_ERROR from the passed stream. */
  60     void                importExtCellError( SequenceInputStream& rStrm );
  61     /** Imports the EXTCELL_STRING from the passed stream. */
  62     void                importExtCellString( SequenceInputStream& rStrm );
  63
  64     /** Sets the passed cell value to the current position in the sheet cache. */
  65     void                setCellValue( const ::com::sun::star::uno::Any& rValue );
  66
  67 private:
  68     ::com::sun::star::uno::Reference< ::com::sun::star::sheet::XExternalSheetCache >
  69                         mxSheetCache;               /// The sheet cache used to store external cell values.
  70     ::com::sun::star::table::CellAddress maCurrPos; /// Position of current cell.
  71     sal_Int32           mnCurrType;                 /// Data type of current cell.
  72 };
  73
  74 class ExternalLinkFragment : public WorkbookFragmentBase
  75 {
  76 public:
  77     explicit            ExternalLinkFragment(
  78                             const WorkbookHelper& rHelper,
  79                             const OUString& rFragmentPath,
  80                             ExternalLink& rExtLink );
  81
  82 protected:
  83     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) SAL_OVERRIDE;
  84     virtual void        onCharacters( const OUString& rChars ) SAL_OVERRIDE;
  85     virtual void        onEndElement() SAL_OVERRIDE;
  86
  87     virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm ) SAL_OVERRIDE;
  88
  89     virtual const ::oox::core::RecordInfo* getRecordInfos() const SAL_OVERRIDE;
  90
  91 private:
  92     ::oox::core::ContextHandlerRef createSheetDataContext( sal_Int32 nSheetId );
  93
  94 private:
  95     ExternalLink&       mrExtLink;
  96     ExternalNameRef     mxExtName;
  97     OUString     maResultValue;
  98     sal_Int32           mnResultType;
  99 };
 100
 101 } // namespace xls
 102 } // namespace oox
 103
 104 #endif
 105
 106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */