xmloff/source/xforms/XFormsBindContext.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_xmloff.hxx"
  33
  34 #include "XFormsBindContext.hxx"
  35
  36 #include "xformsapi.hxx"
  37
  38 #include <xmloff/xmlimp.hxx>
  39 #include "xmlerror.hxx"
  40 #include <xmloff/xmltoken.hxx>
  41 #include <xmloff/xmltkmap.hxx>
  42 #include "xmlnmspe.hxx"
  43 #include <xmloff/nmspmap.hxx>
  44
  45 #include <com/sun/star/container/XNameContainer.hpp>
  46 #include <com/sun/star/xforms/XModel.hpp>
  47
  48 #include <tools/debug.hxx>
  49
  50 using rtl::OUString;
  51 using com::sun::star::beans::XPropertySet;
  52 using com::sun::star::uno::Reference;
  53 using com::sun::star::uno::makeAny;
  54 using com::sun::star::uno::UNO_QUERY;
  55 using com::sun::star::uno::UNO_QUERY_THROW;
  56 using com::sun::star::container::XNameContainer;
  57 using com::sun::star::xml::sax::XAttributeList;
  58 using com::sun::star::xforms::XModel;
  59 using namespace xmloff::token;
  60
  61
  62
  63
  64 static struct SvXMLTokenMapEntry aAttributeMap[] =
  65 {
  66     TOKEN_MAP_ENTRY( NONE, NODESET ),
  67     TOKEN_MAP_ENTRY( NONE, ID ),
  68     TOKEN_MAP_ENTRY( NONE, READONLY ),
  69     TOKEN_MAP_ENTRY( NONE, RELEVANT ),
  70     TOKEN_MAP_ENTRY( NONE, REQUIRED ),
  71     TOKEN_MAP_ENTRY( NONE, CONSTRAINT ),
  72     TOKEN_MAP_ENTRY( NONE, CALCULATE ),
  73     TOKEN_MAP_ENTRY( NONE, TYPE ),
  74     XML_TOKEN_MAP_END
  75 };
  76
  77 // helper function; see below
  78 void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,
  79                                  Reference<XNameContainer>& );
  80
  81 XFormsBindContext::XFormsBindContext(
  82     SvXMLImport& rImport,
  83     USHORT nPrefix,
  84     const OUString& rLocalName,
  85     const Reference<XPropertySet>& xModel ) :
  86         TokenContext( rImport, nPrefix, rLocalName, aAttributeMap, aEmptyMap ),
  87         mxModel( xModel, UNO_QUERY_THROW ),
  88         mxBinding( NULL )
  89 {
  90     // attach binding to model
  91     mxBinding = mxModel->createBinding();
  92     DBG_ASSERT( mxBinding.is(), "can't create binding" );
  93     mxModel->getBindings()->insert( makeAny( mxBinding ) );
  94 }
  95
  96 XFormsBindContext::~XFormsBindContext()
  97 {
  98 }
  99
 100 void XFormsBindContext::HandleAttribute( sal_uInt16 nToken,
 101                                          const OUString& rValue )
 102 {
 103     switch( nToken )
 104     {
 105     case XML_NODESET:
 106         lcl_setValue( mxBinding, OUSTRING("BindingExpression"), rValue );
 107         break;
 108     case XML_ID:
 109         lcl_setValue( mxBinding, OUSTRING("BindingID"), rValue );
 110         break;
 111     case XML_READONLY:
 112         lcl_setValue( mxBinding, OUSTRING("ReadonlyExpression"), rValue );
 113         break;
 114     case XML_RELEVANT:
 115         lcl_setValue( mxBinding, OUSTRING("RelevantExpression"), rValue );
 116         break;
 117     case XML_REQUIRED:
 118         lcl_setValue( mxBinding, OUSTRING("RequiredExpression"), rValue );
 119         break;
 120     case XML_CONSTRAINT:
 121         lcl_setValue( mxBinding, OUSTRING("ConstraintExpression"), rValue );
 122         break;
 123     case XML_CALCULATE:
 124         lcl_setValue( mxBinding, OUSTRING("CalculateExpression"), rValue );
 125         break;
 126     case XML_TYPE:
 127         lcl_setValue( mxBinding, OUSTRING("Type"),
 128                       makeAny( lcl_getTypeName( mxModel->getDataTypeRepository(),
 129                                        GetImport().GetNamespaceMap(),
 130                                        rValue ) ) );
 131         break;
 132     default:
 133         DBG_ERROR( "should not happen" );
 134         break;
 135     }
 136 }
 137
 138 void XFormsBindContext::StartElement(
 139     const Reference<XAttributeList>& xAttributeList )
 140 {
 141     // we need to register the namespaces
 142     Reference<XNameContainer> xContainer(
 143         mxBinding->getPropertyValue( OUSTRING("BindingNamespaces") ),
 144         UNO_QUERY );
 145
 146     DBG_ASSERT( xContainer.is(), "binding should have a namespace container" );
 147     if( xContainer.is() )
 148         lcl_fillNamespaceContainer( GetImport().GetNamespaceMap(), xContainer);
 149
 150     // call super-class for attribute handling
 151     TokenContext::StartElement( xAttributeList );
 152 }
 153
 154 /** will be called for each child element */
 155 SvXMLImportContext* XFormsBindContext::HandleChild(
 156     sal_uInt16,
 157     sal_uInt16,
 158     const OUString&,
 159     const Reference<XAttributeList>& )
 160 {
 161     DBG_ERROR( "no children supported" );
 162     return NULL;
 163 }
 164
 165
 166 void lcl_fillNamespaceContainer(
 167     const SvXMLNamespaceMap& aMap,
 168     Reference<XNameContainer>& xContainer )
 169 {
 170     sal_uInt16 nKeyIter = aMap.GetFirstKey();
 171     do
 172     {
 173         // get prefix and namespace
 174         const OUString& sPrefix = aMap.GetPrefixByKey( nKeyIter );
 175         const OUString& sNamespace = aMap.GetNameByKey( nKeyIter );
 176
 177         // as a hack, we will ignore our own 'default' namespaces
 178         DBG_ASSERT( sPrefix.getLength() > 0, "no prefix?" );
 179         if( sPrefix.getStr()[0] != sal_Unicode( '_' )  &&
 180             nKeyIter >= XML_OLD_NAMESPACE_META_IDX )
 181         {
 182             // insert prefix (use replace if already known)
 183             if( xContainer->hasByName( sPrefix ) )
 184                 xContainer->replaceByName( sPrefix, makeAny( sNamespace ) );
 185             else
 186                 xContainer->insertByName( sPrefix, makeAny( sNamespace ) );
 187         }
 188
 189         // proceed to next
 190         nKeyIter = aMap.GetNextKey( nKeyIter );
 191     }
 192     while( nKeyIter != XML_NAMESPACE_UNKNOWN );
 193 }