xmloff/source/xforms/XFormsBindContext.cxx

   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
  21 #include "XFormsBindContext.hxx"
  22
  23 #include "xformsapi.hxx"
  24
  25 #include <xmloff/xmlimp.hxx>
  26 #include <xmloff/xmlerror.hxx>
  27 #include <xmloff/xmltoken.hxx>
  28 #include <xmloff/xmltkmap.hxx>
  29 #include <xmloff/xmlnmspe.hxx>
  30 #include <xmloff/nmspmap.hxx>
  31
  32 #include <com/sun/star/container/XNameContainer.hpp>
  33 #include <com/sun/star/xforms/XModel2.hpp>
  34
  35 #include <tools/debug.hxx>
  36 #include <osl/diagnose.h>
  37
  38 using com::sun::star::beans::XPropertySet;
  39 using com::sun::star::uno::Reference;
  40 using com::sun::star::uno::makeAny;
  41 using com::sun::star::uno::UNO_QUERY;
  42 using com::sun::star::uno::UNO_QUERY_THROW;
  43 using com::sun::star::container::XNameContainer;
  44 using com::sun::star::xml::sax::XAttributeList;
  45 using com::sun::star::xforms::XModel2;
  46 using namespace xmloff::token;
  47
  48
  49
  50
  51 static const struct SvXMLTokenMapEntry aAttributeMap[] =
  52 {
  53     TOKEN_MAP_ENTRY( NONE, NODESET ),
  54     TOKEN_MAP_ENTRY( NONE, ID ),
  55     TOKEN_MAP_ENTRY( NONE, READONLY ),
  56     TOKEN_MAP_ENTRY( NONE, RELEVANT ),
  57     TOKEN_MAP_ENTRY( NONE, REQUIRED ),
  58     TOKEN_MAP_ENTRY( NONE, CONSTRAINT ),
  59     TOKEN_MAP_ENTRY( NONE, CALCULATE ),
  60     TOKEN_MAP_ENTRY( NONE, TYPE ),
  61     XML_TOKEN_MAP_END
  62 };
  63
  64 // helper function; see below
  65 static void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,
  66                                  Reference<XNameContainer>& );
  67
  68 XFormsBindContext::XFormsBindContext(
  69     SvXMLImport& rImport,
  70     sal_uInt16 nPrefix,
  71     const OUString& rLocalName,
  72     const Reference<XModel2>& xModel ) :
  73         TokenContext( rImport, nPrefix, rLocalName, aAttributeMap, aEmptyMap ),
  74         mxModel( xModel ),
  75         mxBinding( NULL )
  76 {
  77     // attach binding to model
  78     mxBinding = mxModel->createBinding();
  79     DBG_ASSERT( mxBinding.is(), "can't create binding" );
  80     mxModel->getBindings()->insert( makeAny( mxBinding ) );
  81 }
  82
  83 XFormsBindContext::~XFormsBindContext()
  84 {
  85 }
  86
  87 void XFormsBindContext::HandleAttribute( sal_uInt16 nToken,
  88                                          const OUString& rValue )
  89 {
  90     switch( nToken )
  91     {
  92     case XML_NODESET:
  93         xforms_setValue( mxBinding, "BindingExpression", rValue );
  94         break;
  95     case XML_ID:
  96         xforms_setValue( mxBinding, "BindingID", rValue );
  97         break;
  98     case XML_READONLY:
  99         xforms_setValue( mxBinding, "ReadonlyExpression", rValue );
 100         break;
 101     case XML_RELEVANT:
 102         xforms_setValue( mxBinding, "RelevantExpression", rValue );
 103         break;
 104     case XML_REQUIRED:
 105         xforms_setValue( mxBinding, "RequiredExpression", rValue );
 106         break;
 107     case XML_CONSTRAINT:
 108         xforms_setValue( mxBinding, "ConstraintExpression", rValue );
 109         break;
 110     case XML_CALCULATE:
 111         xforms_setValue( mxBinding, "CalculateExpression", rValue );
 112         break;
 113     case XML_TYPE:
 114         xforms_setValue( mxBinding, "Type",
 115                       makeAny( xforms_getTypeName( mxModel->getDataTypeRepository(),
 116                                        GetImport().GetNamespaceMap(),
 117                                        rValue ) ) );
 118         break;
 119     default:
 120         OSL_FAIL( "should not happen" );
 121         break;
 122     }
 123 }
 124
 125 void XFormsBindContext::StartElement(
 126     const Reference<XAttributeList>& xAttributeList )
 127 {
 128     // we need to register the namespaces
 129     Reference<XNameContainer> xContainer(
 130         mxBinding->getPropertyValue( "BindingNamespaces" ),
 131         UNO_QUERY );
 132
 133     DBG_ASSERT( xContainer.is(), "binding should have a namespace container" );
 134     if( xContainer.is() )
 135         lcl_fillNamespaceContainer( GetImport().GetNamespaceMap(), xContainer);
 136
 137     // call super-class for attribute handling
 138     TokenContext::StartElement( xAttributeList );
 139 }
 140
 141 /** will be called for each child element */
 142 SvXMLImportContext* XFormsBindContext::HandleChild(
 143     sal_uInt16,
 144     sal_uInt16,
 145     const OUString&,
 146     const Reference<XAttributeList>& )
 147 {
 148     OSL_FAIL( "no children supported" );
 149     return NULL;
 150 }
 151
 152
 153 static void lcl_fillNamespaceContainer(
 154     const SvXMLNamespaceMap& aMap,
 155     Reference<XNameContainer>& xContainer )
 156 {
 157     sal_uInt16 nKeyIter = aMap.GetFirstKey();
 158     do
 159     {
 160         // get prefix and namespace
 161         const OUString& sPrefix = aMap.GetPrefixByKey( nKeyIter );
 162         const OUString& sNamespace = aMap.GetNameByKey( nKeyIter );
 163
 164         // as a hack, we will ignore our own 'default' namespaces
 165         DBG_ASSERT( !sPrefix.isEmpty(), "no prefix?" );
 166         if( !sPrefix.startsWith("_") &&
 167             nKeyIter >= XML_OLD_NAMESPACE_META_IDX )
 168         {
 169             // insert prefix (use replace if already known)
 170             if( xContainer->hasByName( sPrefix ) )
 171                 xContainer->replaceByName( sPrefix, makeAny( sNamespace ) );
 172             else
 173                 xContainer->insertByName( sPrefix, makeAny( sNamespace ) );
 174         }
 175
 176         // proceed to next
 177         nKeyIter = aMap.GetNextKey( nKeyIter );
 178     }
 179     while( nKeyIter != XML_NAMESPACE_UNKNOWN );
 180 }
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */