configmgr/source/treemgr/configdefaultprovider.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_configmgr.hxx"
  33
  34 #include "configdefaultprovider.hxx"
  35 #include "defaultproviderproxy.hxx"
  36 #include "noderef.hxx"
  37 #include "valuenode.hxx"
  38 #include "tree.hxx"
  39 #include "options.hxx"
  40
  41 namespace configmgr
  42 {
  43 //-----------------------------------------------------------------------------
  44     namespace configuration
  45     {
  46 //-----------------------------------------------------------------------------
  47 // class DefaultProvider
  48 //-----------------------------------------------------------------------------
  49
  50 // standard c/d-tors to make compiler barrier
  51 DefaultProvider DefaultProvider::createEmpty()
  52 {
  53     return DefaultProvider(NULL);
  54 }
  55 //-----------------------------------------------------------------------------
  56
  57 DefaultProvider DefaultProvider::create(rtl::Reference< Tree > const& _aRootTree, RequestOptions const& _aOptions,
  58                                           rtl::Reference< TreeManager > const &  _xDefaultProvider,
  59                                           IDefaultableTreeManager* _pDefaultableTree)
  60 {
  61     OSL_PRECOND( !isEmpty(_aRootTree.get()), "ERROR: Cannot create DefaultProvider for NULL tree");
  62
  63     rtl::Reference< DefaultProviderProxy > xNewProxy;
  64
  65     if (!isEmpty(_aRootTree.get()))
  66     {
  67         xNewProxy = new DefaultProviderProxy(_xDefaultProvider,_pDefaultableTree,
  68                                              _aRootTree->getRootPath(), _aOptions );
  69     }
  70
  71     return DefaultProvider( xNewProxy );
  72 }
  73 //-----------------------------------------------------------------------------
  74
  75 DefaultProvider::DefaultProvider(DefaultProvider const& _aOther)
  76 : m_aProxy(_aOther.m_aProxy)
  77 {
  78 }
  79 //-----------------------------------------------------------------------------
  80
  81 DefaultProvider& DefaultProvider::operator=(DefaultProvider const& _aOther)
  82 {
  83     m_aProxy = _aOther.m_aProxy;
  84     return *this;
  85 }
  86 //-----------------------------------------------------------------------------
  87
  88 DefaultProvider::~DefaultProvider()
  89 {
  90 }
  91 //-----------------------------------------------------------------------------
  92
  93 DefaultProvider::DefaultProvider(rtl::Reference< DefaultProviderProxy > const& _xProviderProxy)
  94 : m_aProxy(_xProviderProxy)
  95 {
  96 }
  97 //-----------------------------------------------------------------------------
  98
  99 /// tries to load a default instance of the specified node
 100 std::auto_ptr<ISubtree> DefaultProvider::getDefaultTree(
 101             rtl::Reference< Tree > const& _aTree, NodeRef const& _aNode
 102      ) const SAL_THROW((com::sun::star::uno::Exception))
 103 {
 104     std::auto_ptr<ISubtree> aRet;
 105
 106     node::Attributes aAttributes = _aTree->getAttributes(_aNode);
 107
 108 //    if (aAttributes.bDefaulted)
 109 //        clone the ISubtree (no interface for that) :-(
 110
 111     if (m_aProxy.is() && aAttributes.existsInDefault())
 112         aRet = m_aProxy->getDefaultTree(_aTree->getAbsolutePath(_aNode));
 113
 114     return aRet;
 115 }
 116
 117 //-----------------------------------------------------------------------------
 118 /// tries to load default data into the specified tree
 119 static bool shouldFetchDefaultData(rtl::Reference< Tree > const& _aTreeRef, bool & _rbHasDefaults)
 120 {
 121     bool bShouldFetch = false;
 122
 123     node::Attributes aAttributes = _aTreeRef->getAttributes(_aTreeRef->getRootNode());
 124
 125     if (aAttributes.isDefault())
 126         _rbHasDefaults = true;
 127
 128     // in replaced/added parts, defaults are considered non-existing
 129     else if (!aAttributes.isReplacedForUser())
 130         _rbHasDefaults = false;
 131
 132     else
 133         bShouldFetch = true;
 134
 135     return bShouldFetch;
 136 }
 137
 138 //-----------------------------------------------------------------------------
 139 /// tries to load default data into the specified tree
 140 bool DefaultProvider::fetchDefaultData(rtl::Reference< Tree > const& _aTreeRef) const SAL_THROW((com::sun::star::uno::Exception))
 141 {
 142     bool bHasDefaults = false;
 143
 144     if (shouldFetchDefaultData(_aTreeRef,bHasDefaults) && m_aProxy.is() )
 145         bHasDefaults = m_aProxy->fetchDefaultData();
 146
 147     return bHasDefaults;
 148 }
 149
 150 //-----------------------------------------------------------------------------
 151     }
 152 }
 153