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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_comphelper.hxx"
30 #include <comphelper/composedprops.hxx>
31 #include <com/sun/star/container/XChild.hpp>
32 #include <com/sun/star/beans/XPropertySetInfo.hpp>
33 #include <cppuhelper/implbase1.hxx>
34 
35 //.........................................................................
36 namespace comphelper
37 {
38 //.........................................................................
39 
40 	using namespace ::com::sun::star::uno;
41 	using namespace ::com::sun::star::beans;
42 	using namespace ::com::sun::star::lang;
43 
44 	//=====================================================================
45 	//= OComposedPropertySetInfo
46 	//=====================================================================
47 	class OComposedPropertySetInfo : public ::cppu::WeakImplHelper1< XPropertySetInfo >
48 	{
49 	private:
50 		Sequence< Property>		m_aProperties;
51 
52 	public:
53 		OComposedPropertySetInfo(const Sequence< Property>& _rProperties);
54 
55 		virtual Sequence< Property > SAL_CALL getProperties(  ) throw(RuntimeException);
56 		virtual Property SAL_CALL getPropertyByName( const ::rtl::OUString& _rName ) throw(UnknownPropertyException, RuntimeException);
57 		virtual sal_Bool SAL_CALL hasPropertyByName( const ::rtl::OUString& _rName ) throw(RuntimeException);
58 	};
59 
60 	//=====================================================================
61 	//= OComposedPropertySet
62 	//=====================================================================
63 	//---------------------------------------------------------------------
64 	OComposedPropertySet::OComposedPropertySet(
65 			const Sequence< Reference< XPropertySet> > & _rElements,
66 			const IPropertySetComposerCallback* _pPropertyMetaData)
67 		:m_pInfo(NULL)
68 	{
69 		// copy the sequence
70 		sal_Int32 nSingleSets = _rElements.getLength();
71 		if (nSingleSets)
72 		{
73 			m_aSingleSets.resize(nSingleSets);
74 			const Reference< XPropertySet >* pSingleSets = _rElements.getConstArray();
75 			::std::copy(pSingleSets, pSingleSets + nSingleSets, m_aSingleSets.begin());
76 		}
77 
78 		// impl ctor
79 		compose(_pPropertyMetaData);
80 	}
81 
82 	//---------------------------------------------------------------------
83 	OComposedPropertySet::~OComposedPropertySet()
84 	{
85 		if (m_pInfo)
86 			m_pInfo->release();
87 	}
88 
89 	//---------------------------------------------------------------------
90 	void OComposedPropertySet::compose(const IPropertySetComposerCallback* _pMetaData)
91 	{
92 		sal_Int32 nSingleSets = m_aSingleSets.size();
93 
94 		if (nSingleSets>0)
95 		{
96 			// get the properties of the first set
97 			Reference< XPropertySet > xMasterSet = m_aSingleSets[0];
98 			Sequence< Property> aMasterProps;
99 			if (xMasterSet.is())
100 				aMasterProps = xMasterSet->getPropertySetInfo()->getProperties();
101 			sal_Int32 nMasterPropsCount = aMasterProps.getLength();
102 			const Property*	pMasterProps = aMasterProps.getConstArray();
103 
104 			// check which of the master properties should be included
105 			Sequence<sal_Bool> aInclusionFlags(nMasterPropsCount);
106 			sal_Bool* pInclusionFlags = aInclusionFlags.getArray();
107 
108 			// the states of all these properties
109 			Sequence< PropertyState > aPropertyStates(nMasterPropsCount);
110 
111 			for (sal_Int32 i=0; i<nMasterPropsCount; ++i)
112 				pInclusionFlags[i] = sal_True;
113 
114 			Reference< XPropertySet >  xSecondarySet;
115 			sal_Int32 nSecondaryPropertyCount;
116 			Sequence< Property > aSecondaryProperties;
117 			const Property* pPrimaryProperty = aMasterProps.getConstArray();
118 			for (sal_Int32 nPrimary=0; nPrimary<nMasterPropsCount; ++nPrimary, ++pPrimaryProperty)
119 			{
120 				if (_pMetaData && !_pMetaData->isComposeable(pPrimaryProperty->Name))
121 					// do not include this property
122 					pInclusionFlags[nPrimary] = sal_False;
123 				else
124 				{
125 					// search the property in all secondary sets
126 					for (sal_Int32 i=1; i<nSingleSets; ++i)
127 					{
128 						xSecondarySet = m_aSingleSets[i];
129 						aSecondaryProperties = xSecondarySet->getPropertySetInfo()->getProperties();
130 						nSecondaryPropertyCount = aSecondaryProperties.getLength();
131 						const Property*	pSecondaryProperties = aSecondaryProperties.getConstArray();
132 
133 						// search the current primary property in the secondary property sequence
134 						sal_Int32 k=0;
135 						while (k<nSecondaryPropertyCount && (pSecondaryProperties[k].Name != pPrimaryProperty->Name))
136 							++k;
137 
138 						if (k >= nSecondaryPropertyCount)
139 							// not found -> do not include
140 							pInclusionFlags[nPrimary] = sal_False;
141 					}
142 				}
143 			}
144 
145 			// count what's left ....
146 			sal_Int32 nOverallProperties = 0;
147 			for (sal_Int32 nCounter=0; nCounter<nMasterPropsCount; ++nCounter)
148 			{
149 				if (pInclusionFlags[nCounter])
150 					++nOverallProperties;
151 			}
152 
153 			// and finally construct our sequence
154 			m_aProperties = Sequence< Property >(nOverallProperties);
155 			Property* pProperties = m_aProperties.getArray();
156 			const Property* pMasterProperties = pMasterProps;
157 			sal_Int32 nOwnProperties = 0;
158 			for (sal_Int32 nCopy = 0; nCopy < nMasterPropsCount; ++nCopy, ++pMasterProperties)
159 			{
160 				if (pInclusionFlags[nCopy])
161 					pProperties[nOwnProperties++] = *pMasterProperties;
162 			}
163 		}
164 	}
165 
166 	//------------------------------------------------------------------------------
167 	Reference< XPropertySetInfo > SAL_CALL OComposedPropertySet::getPropertySetInfo(  ) throw(RuntimeException)
168 	{
169 		::osl::MutexGuard aGuard(m_aMutex);
170 		if (!m_pInfo)
171 		{
172 			m_pInfo = new OComposedPropertySetInfo(m_aProperties);
173 			m_pInfo->acquire();
174 		}
175 		return m_pInfo;
176 	}
177 
178 	//------------------------------------------------------------------------------
179 	PropertyState SAL_CALL OComposedPropertySet::getPropertyState( const ::rtl::OUString& _rPropertyName ) throw(UnknownPropertyException, RuntimeException)
180 	{
181 		// assume DIRECT for the moment
182 		PropertyState eState = PropertyState_DIRECT_VALUE;
183 
184 		sal_Int32 nSingleSets = m_aSingleSets.size();
185 		if (nSingleSets>0)
186 		{
187 			// check the master state
188 			Reference< XPropertySet >  xMasterSet(m_aSingleSets[0]);
189 			Any aPrimaryValue;
190 			if (xMasterSet.is())
191 			{
192 				Reference< XPropertyState >  xMasterState(xMasterSet,UNO_QUERY);
193 				aPrimaryValue = xMasterSet->getPropertyValue(_rPropertyName);
194 
195 				if (xMasterState.is())
196 					eState = xMasterState->getPropertyState(_rPropertyName);
197 			}
198 
199 			// loop through the secondary sets
200 			PropertyState eSecondaryState;
201 			for (sal_Int32 i=1; i<nSingleSets; ++i)
202 			{
203 				Reference< XPropertySet >	xSecondary(m_aSingleSets[i]);
204 				Reference< XPropertyState >	xSecondaryState(xSecondary, UNO_QUERY);
205 
206 				// the secondary state
207 				eSecondaryState = PropertyState_DIRECT_VALUE;
208 				if(xSecondaryState.is())
209 					eSecondaryState = xSecondaryState->getPropertyState(_rPropertyName);
210 
211 				// the secondary value
212 				Any aSecondaryValue(xSecondary->getPropertyValue(_rPropertyName));
213 
214 				if	(	(PropertyState_AMBIGUOUS_VALUE == eSecondaryState)		// secondary is ambiguous
215 					||	!::comphelper::compare(aPrimaryValue, aSecondaryValue)	// unequal values
216 					)
217 				{
218 					eState = PropertyState_AMBIGUOUS_VALUE;
219 					break;
220 				}
221 			}
222 		}
223 		else
224 		{
225 			throw UnknownPropertyException(  _rPropertyName, *this  );
226 		}
227 
228 		return eState;
229 	}
230 
231 	//---------------------------------------------------------------------
232 	Sequence< PropertyState > SAL_CALL OComposedPropertySet::getPropertyStates( const Sequence< ::rtl::OUString >& _rPropertyName ) throw(UnknownPropertyException, RuntimeException)
233 	{
234 		sal_Int32 nCount = _rPropertyName.getLength();
235 		Sequence< PropertyState > aReturn(nCount);
236 		const ::rtl::OUString* pNames = _rPropertyName.getConstArray();
237 		PropertyState* pStates = aReturn.getArray();
238 		for (sal_Int32 i=0; i<nCount; ++i, ++pNames, ++pStates)
239 			*pStates = getPropertyState(*pNames);
240 		return aReturn;
241 	}
242 
243 	//---------------------------------------------------------------------
244 	void SAL_CALL OComposedPropertySet::setPropertyToDefault( const ::rtl::OUString& _rPropertyName ) throw(UnknownPropertyException, RuntimeException)
245 	{
246 		sal_Int32 nSingleSets = m_aSingleSets.size();
247 		for (sal_Int32 i=0; i<nSingleSets; ++i)
248 		{
249 			Reference< XPropertyState >	xState(m_aSingleSets[i], UNO_QUERY);
250 			if(xState.is())
251 				xState->setPropertyToDefault(_rPropertyName);
252 		}
253 	}
254 
255 	//---------------------------------------------------------------------
256 	Any SAL_CALL OComposedPropertySet::getPropertyDefault( const ::rtl::OUString& ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
257 	{
258 		return Any();
259 	}
260 
261 	//------------------------------------------------------------------------------
262 	void SAL_CALL OComposedPropertySet::setPropertyValue( const ::rtl::OUString& _rPropertyName, const Any& _rValue ) throw(UnknownPropertyException, PropertyVetoException, IllegalArgumentException, WrappedTargetException, RuntimeException)
263 	{
264 		sal_Int32 nSingleSets = m_aSingleSets.size();
265 		for (sal_Int32 i=0; i<nSingleSets; ++i)
266 		{
267 			if (m_aSingleSets[i].is())
268 				m_aSingleSets[i]->setPropertyValue(_rPropertyName, _rValue);
269 		}
270 	}
271 
272 	//------------------------------------------------------------------------------
273 	Any SAL_CALL OComposedPropertySet::getPropertyValue( const ::rtl::OUString& _rPropertyName ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
274 	{
275 		sal_Int32 nSingleSets = m_aSingleSets.size();
276 
277 		if ((nSingleSets>0) && (m_aSingleSets[0].is()))
278 			return m_aSingleSets[0]->getPropertyValue(_rPropertyName);
279 		return Any();
280 	}
281 
282 	//------------------------------------------------------------------------------
283 	void SAL_CALL OComposedPropertySet::addPropertyChangeListener( const ::rtl::OUString&, const Reference< XPropertyChangeListener >& ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
284 	{
285 		// TODO:
286 		// hold the single property sets weak
287 		// be a property change listener on all single property sets (for all composed properties)
288 		// upon property change
289 		//   determine the new state/value of the composed property
290 		//   broadcast the new composed property value
291 	}
292 
293 	//------------------------------------------------------------------------------
294 	void SAL_CALL OComposedPropertySet::removePropertyChangeListener( const ::rtl::OUString&, const Reference< XPropertyChangeListener >& ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
295 	{
296 		// TODO
297 	}
298 
299 	//------------------------------------------------------------------------------
300 	void SAL_CALL OComposedPropertySet::addVetoableChangeListener( const ::rtl::OUString&, const Reference< XVetoableChangeListener >& ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
301 	{
302 		OSL_ENSURE(sal_False, "OComposedPropertySet::addVetoableChangeListener: no implemented (yet)!");
303 	}
304 
305 	//------------------------------------------------------------------------------
306 	void SAL_CALL OComposedPropertySet::removeVetoableChangeListener( const ::rtl::OUString&, const Reference< XVetoableChangeListener >& ) throw(UnknownPropertyException, WrappedTargetException, RuntimeException)
307 	{
308 		OSL_ENSURE(sal_False, "OComposedPropertySet::removeVetoableChangeListener: no implemented (yet)!");
309 	}
310 
311 	//------------------------------------------------------------------------------
312 	OComposedPropertySetInfo::OComposedPropertySetInfo(const Sequence< Property>& rSeq)
313 		:m_aProperties(rSeq)
314 	{
315 	}
316 
317 	//------------------------------------------------------------------------------
318 	Sequence< Property> SAL_CALL OComposedPropertySetInfo::getProperties() throw(RuntimeException)
319 	{
320 		return m_aProperties;
321 	}
322 
323 	//------------------------------------------------------------------------------
324 	Property SAL_CALL OComposedPropertySetInfo::getPropertyByName( const ::rtl::OUString& _rName ) throw(UnknownPropertyException, RuntimeException)
325 	{
326 		sal_Int32 nLength = m_aProperties.getLength();
327 		const Property*	pProps = m_aProperties.getConstArray();
328 		// TODO TODO TODO: this O(n) search really sucks ...
329 		for (sal_Int32 i=0; i<nLength; ++i, ++pProps)
330 		{
331 			if (pProps->Name == _rName)
332 				return *pProps;
333 		}
334 
335 		throw UnknownPropertyException( _rName, *this  );
336 	}
337 
338 	//------------------------------------------------------------------------------
339 	sal_Bool SAL_CALL OComposedPropertySetInfo::hasPropertyByName( const ::rtl::OUString& _rName ) throw(RuntimeException)
340 	{
341 		sal_Int32 nLength = m_aProperties.getLength();
342 		const Property*	pProps = m_aProperties.getConstArray();
343 		// TODO TODO TODO: this O(n) search really sucks ...
344 		for( sal_Int32 i=0; i<nLength; ++i,++pProps )
345 		{
346 			if(pProps->Name == _rName)
347 				return sal_True;
348 		}
349 
350 		return sal_False;
351 	}
352 
353 //.........................................................................
354 }	// namespace comphelper
355 //.........................................................................
356 
357 
358