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
  37 using com::sun::star::beans::XPropertySet;
  38 using com::sun::star::uno::Reference;
  39 using com::sun::star::uno::makeAny;
  40 using com::sun::star::uno::UNO_QUERY;
  41 using com::sun::star::uno::UNO_QUERY_THROW;
  42 using com::sun::star::container::XNameContainer;
  43 using com::sun::star::xml::sax::XAttributeList;
  44 using com::sun::star::xforms::XModel2;
  45 using namespace xmloff::token;
  46
  47
  48
  49
  50 static struct SvXMLTokenMapEntry aAttributeMap[] =
  51 {
  52     TOKEN_MAP_ENTRY( NONE, NODESET ),
  53     TOKEN_MAP_ENTRY( NONE, ID ),
  54     TOKEN_MAP_ENTRY( NONE, READONLY ),
  55     TOKEN_MAP_ENTRY( NONE, RELEVANT ),
  56     TOKEN_MAP_ENTRY( NONE, REQUIRED ),
  57     TOKEN_MAP_ENTRY( NONE, CONSTRAINT ),
  58     TOKEN_MAP_ENTRY( NONE, CALCULATE ),
  59     TOKEN_MAP_ENTRY( NONE, TYPE ),
  60     XML_TOKEN_MAP_END
  61 };
  62
  63 // helper function; see below
  64 static void lcl_fillNamespaceContainer( const SvXMLNamespaceMap&,
  65                                  Reference<XNameContainer>& );
  66
  67 XFormsBindContext::XFormsBindContext(
  68     SvXMLImport& rImport,
  69     sal_uInt16 nPrefix,
  70     const OUString& rLocalName,
  71     const Reference<XModel2>& xModel ) :
  72         TokenContext( rImport, nPrefix, rLocalName, aAttributeMap, aEmptyMap ),
  73         mxModel( xModel ),
  74         mxBinding( NULL )
  75 {
  76     // attach binding to model
  77     mxBinding = mxModel->createBinding();
  78     DBG_ASSERT( mxBinding.is(), "can't create binding" );
  79     mxModel->getBindings()->insert( makeAny( mxBinding ) );
  80 }
  81
  82 XFormsBindContext::~XFormsBindContext()
  83 {
  84 }
  85
  86 void XFormsBindContext::HandleAttribute( sal_uInt16 nToken,
  87                                          const OUString& rValue )
  88 {
  89     switch( nToken )
  90     {
  91     case XML_NODESET:
  92         xforms_setValue( mxBinding, "BindingExpression", rValue );
  93         break;
  94     case XML_ID:
  95         xforms_setValue( mxBinding, "BindingID", rValue );
  96         break;
  97     case XML_READONLY:
  98         xforms_setValue( mxBinding, "ReadonlyExpression", rValue );
  99         break;
 100     case XML_RELEVANT:
 101         xforms_setValue( mxBinding, "RelevantExpression", rValue );
 102         break;
 103     case XML_REQUIRED:
 104         xforms_setValue( mxBinding, "RequiredExpression", rValue );
 105         break;
 106     case XML_CONSTRAINT:
 107         xforms_setValue( mxBinding, "ConstraintExpression", rValue );
 108         break;
 109     case XML_CALCULATE:
 110         xforms_setValue( mxBinding, "CalculateExpression", rValue );
 111         break;
 112     case XML_TYPE:
 113         xforms_setValue( mxBinding, "Type",
 114                       makeAny( xforms_getTypeName( mxModel->getDataTypeRepository(),
 115                                        GetImport().GetNamespaceMap(),
 116                                        rValue ) ) );
 117         break;
 118     default:
 119         OSL_FAIL( "should not happen" );
 120         break;
 121     }
 122 }
 123
 124 void XFormsBindContext::StartElement(
 125     const Reference<XAttributeList>& xAttributeList )
 126 {
 127     // we need to register the namespaces
 128     Reference<XNameContainer> xContainer(
 129         mxBinding->getPropertyValue( "BindingNamespaces" ),
 130         UNO_QUERY );
 131
 132     DBG_ASSERT( xContainer.is(), "binding should have a namespace container" );
 133     if( xContainer.is() )
 134         lcl_fillNamespaceContainer( GetImport().GetNamespaceMap(), xContainer);
 135
 136     // call super-class for attribute handling
 137     TokenContext::StartElement( xAttributeList );
 138 }
 139
 140 /** will be called for each child element */
 141 SvXMLImportContext* XFormsBindContext::HandleChild(
 142     sal_uInt16,
 143     sal_uInt16,
 144     const OUString&,
 145     const Reference<XAttributeList>& )
 146 {
 147     OSL_FAIL( "no children supported" );
 148     return NULL;
 149 }
 150
 151
 152 static void lcl_fillNamespaceContainer(
 153     const SvXMLNamespaceMap& aMap,
 154     Reference<XNameContainer>& xContainer )
 155 {
 156     sal_uInt16 nKeyIter = aMap.GetFirstKey();
 157     do
 158     {
 159         // get prefix and namespace
 160         const OUString& sPrefix = aMap.GetPrefixByKey( nKeyIter );
 161         const OUString& sNamespace = aMap.GetNameByKey( nKeyIter );
 162
 163         // as a hack, we will ignore our own 'default' namespaces
 164         DBG_ASSERT( !sPrefix.isEmpty(), "no prefix?" );
 165         if( sPrefix.getStr()[0] != sal_Unicode( '_' )  &&
 166             nKeyIter >= XML_OLD_NAMESPACE_META_IDX )
 167         {
 168             // insert prefix (use replace if already known)
 169             if( xContainer->hasByName( sPrefix ) )
 170                 xContainer->replaceByName( sPrefix, makeAny( sNamespace ) );
 171             else
 172                 xContainer->insertByName( sPrefix, makeAny( sNamespace ) );
 173         }
 174
 175         // proceed to next
 176         nKeyIter = aMap.GetNextKey( nKeyIter );
 177     }
 178     while( nKeyIter != XML_NAMESPACE_UNKNOWN );
 179 }
 180
 181 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */