xmloff/source/core/PropertySetMerger.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 #include <com/sun/star/beans/XPropertyState.hpp>
  21 #include <PropertySetMerger.hxx>
  22 #include <comphelper/sequence.hxx>
  23 #include <cppuhelper/implbase.hxx>
  24
  25 using namespace ::com::sun::star;
  26 using namespace ::com::sun::star::uno;
  27 using namespace ::com::sun::star::beans;
  28 using namespace ::com::sun::star::lang;
  29
  30 namespace {
  31
  32 class PropertySetMergerImpl : public ::cppu::WeakImplHelper< XPropertySet, XPropertyState, XPropertySetInfo >
  33 {
  34 private:
  35     Reference< XPropertySet > mxPropSet1;
  36     Reference< XPropertyState > mxPropSet1State;
  37     Reference< XPropertySetInfo > mxPropSet1Info;
  38
  39     Reference< XPropertySet > mxPropSet2;
  40     Reference< XPropertyState > mxPropSet2State;
  41     Reference< XPropertySetInfo > mxPropSet2Info;
  42
  43 public:
  44     PropertySetMergerImpl( const Reference< XPropertySet > & rPropSet1, const Reference< XPropertySet > & rPropSet2 );
  45
  46     // XPropertySet
  47     virtual Reference< XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) override;
  48     virtual void SAL_CALL setPropertyValue( const OUString& aPropertyName, const Any& aValue ) override;
  49     virtual Any SAL_CALL getPropertyValue( const OUString& PropertyName ) override;
  50     virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& xListener ) override;
  51     virtual void SAL_CALL removePropertyChangeListener( const OUString& aPropertyName, const Reference< XPropertyChangeListener >& aListener ) override;
  52     virtual void SAL_CALL addVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) override;
  53     virtual void SAL_CALL removeVetoableChangeListener( const OUString& PropertyName, const Reference< XVetoableChangeListener >& aListener ) override;
  54
  55     // XPropertyState
  56     virtual PropertyState SAL_CALL getPropertyState( const OUString& PropertyName ) override;
  57     virtual Sequence< PropertyState > SAL_CALL getPropertyStates( const Sequence< OUString >& aPropertyName ) override;
  58     virtual void SAL_CALL setPropertyToDefault( const OUString& PropertyName ) override;
  59     virtual Any SAL_CALL getPropertyDefault( const OUString& aPropertyName ) override;
  60
  61     // XPropertySetInfo
  62     virtual Sequence< Property > SAL_CALL getProperties(  ) override;
  63     virtual Property SAL_CALL getPropertyByName( const OUString& aName ) override;
  64     virtual sal_Bool SAL_CALL hasPropertyByName( const OUString& Name ) override;
  65 };
  66
  67 }
  68
  69 // Interface implementation
  70
  71 PropertySetMergerImpl::PropertySetMergerImpl( Reference< XPropertySet > const & rPropSet1, Reference< XPropertySet > const & rPropSet2 )
  72 : mxPropSet1( rPropSet1 )
  73 , mxPropSet1State( rPropSet1, UNO_QUERY )
  74 , mxPropSet1Info( rPropSet1->getPropertySetInfo() )
  75 , mxPropSet2( rPropSet2 )
  76 , mxPropSet2State( rPropSet2, UNO_QUERY )
  77 , mxPropSet2Info( rPropSet2->getPropertySetInfo() )
  78 {
  79 }
  80
  81 // XPropertySet
  82 Reference< XPropertySetInfo > SAL_CALL PropertySetMergerImpl::getPropertySetInfo(  )
  83 {
  84     return this;
  85 }
  86
  87 void SAL_CALL PropertySetMergerImpl::setPropertyValue( const OUString& aPropertyName, const Any& aValue )
  88 {
  89     if( mxPropSet1Info->hasPropertyByName( aPropertyName ) )
  90     {
  91         mxPropSet1->setPropertyValue( aPropertyName, aValue );
  92     }
  93     else
  94     {
  95         mxPropSet2->setPropertyValue( aPropertyName, aValue );
  96     }
  97 }
  98
  99 Any SAL_CALL PropertySetMergerImpl::getPropertyValue( const OUString& PropertyName )
 100 {
 101     if( mxPropSet1Info->hasPropertyByName( PropertyName ) )
 102     {
 103         return mxPropSet1->getPropertyValue( PropertyName );
 104     }
 105     else
 106     {
 107         return mxPropSet2->getPropertyValue( PropertyName );
 108     }
 109 }
 110
 111 void SAL_CALL PropertySetMergerImpl::addPropertyChangeListener( const OUString& /*aPropertyName*/, const Reference< XPropertyChangeListener >& /*xListener*/ )
 112 {
 113 }
 114
 115 void SAL_CALL PropertySetMergerImpl::removePropertyChangeListener( const OUString& /*aPropertyName*/, const Reference< XPropertyChangeListener >& /*aListener*/ )
 116 {
 117 }
 118
 119 void SAL_CALL PropertySetMergerImpl::addVetoableChangeListener( const OUString& /*PropertyName*/, const Reference< XVetoableChangeListener >& /*aListener*/ )
 120 {
 121 }
 122
 123 void SAL_CALL PropertySetMergerImpl::removeVetoableChangeListener( const OUString& /*PropertyName*/, const Reference< XVetoableChangeListener >& /*aListener*/ )
 124 {
 125 }
 126
 127 // XPropertyState
 128 PropertyState SAL_CALL PropertySetMergerImpl::getPropertyState( const OUString& PropertyName )
 129 {
 130     if( mxPropSet1Info->hasPropertyByName( PropertyName ) )
 131     {
 132         if( mxPropSet1State.is() )
 133         {
 134             return mxPropSet1State->getPropertyState( PropertyName );
 135         }
 136         else
 137         {
 138             return PropertyState_DIRECT_VALUE;
 139         }
 140     }
 141     else
 142     {
 143         if( mxPropSet2State.is() )
 144         {
 145             return mxPropSet2State->getPropertyState( PropertyName );
 146         }
 147         else
 148         {
 149             return PropertyState_DIRECT_VALUE;
 150         }
 151     }
 152 }
 153
 154 Sequence< PropertyState > SAL_CALL PropertySetMergerImpl::getPropertyStates( const Sequence< OUString >& aPropertyName )
 155 {
 156     const sal_Int32 nCount = aPropertyName.getLength();
 157     Sequence< PropertyState > aPropStates( nCount );
 158
 159     std::transform(aPropertyName.begin(), aPropertyName.end(), aPropStates.getArray(),
 160         [this](const OUString& rPropName) -> PropertyState { return getPropertyState(rPropName); });
 161
 162     return aPropStates;
 163 }
 164
 165 void SAL_CALL PropertySetMergerImpl::setPropertyToDefault( const OUString& PropertyName )
 166 {
 167     if( mxPropSet1State.is() && mxPropSet1Info->hasPropertyByName( PropertyName ) )
 168     {
 169         mxPropSet1State->setPropertyToDefault( PropertyName );
 170     }
 171     else
 172     {
 173         if( mxPropSet2State.is() )
 174         {
 175             mxPropSet2State->setPropertyToDefault( PropertyName );
 176         }
 177     }
 178 }
 179
 180 Any SAL_CALL PropertySetMergerImpl::getPropertyDefault( const OUString& aPropertyName )
 181 {
 182     if( mxPropSet1State.is() && mxPropSet1Info->hasPropertyByName( aPropertyName ) )
 183     {
 184         return mxPropSet1State->getPropertyDefault( aPropertyName );
 185     }
 186     else
 187     {
 188         if( mxPropSet2State.is() )
 189         {
 190             return mxPropSet2State->getPropertyDefault( aPropertyName );
 191         }
 192         else
 193         {
 194             Any aAny;
 195             return aAny;
 196         }
 197     }
 198 }
 199
 200 // XPropertySetInfo
 201 Sequence< Property > SAL_CALL PropertySetMergerImpl::getProperties()
 202 {
 203     Sequence< Property > aProps1( mxPropSet1Info->getProperties() );
 204     Sequence< Property > aProps2( mxPropSet2Info->getProperties() );
 205
 206     return comphelper::concatSequences(aProps1, aProps2);
 207 }
 208
 209 Property SAL_CALL PropertySetMergerImpl::getPropertyByName( const OUString& aName )
 210 {
 211     if( mxPropSet1Info->hasPropertyByName( aName ) )
 212         return mxPropSet1Info->getPropertyByName( aName );
 213
 214     return mxPropSet2Info->getPropertyByName( aName );
 215 }
 216
 217 sal_Bool SAL_CALL PropertySetMergerImpl::hasPropertyByName( const OUString& Name )
 218 {
 219     if(mxPropSet1Info->hasPropertyByName( Name ) )
 220         return true;
 221
 222     return mxPropSet2Info->hasPropertyByName( Name );
 223 }
 224
 225 Reference< XPropertySet > PropertySetMerger_CreateInstance( const Reference< XPropertySet >& rPropSet1, const Reference< XPropertySet >& rPropSet2 ) noexcept
 226 {
 227     return new PropertySetMergerImpl( rPropSet1, rPropSet2 );
 228 }
 229
 230 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */