xref: /aoo4110/main/starmath/source/symbol.cxx (revision b1cdbd2c)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_starmath.hxx"
26 
27 
28 #include <vector>
29 #include <osl/mutex.hxx>
30 #include <ucbhelper/content.hxx>
31 #include <vcl/msgbox.hxx>
32 
33 #include <sfx2/dispatch.hxx>
34 #include <sfx2/docfile.hxx>
35 
36 #include <map>
37 #include <vector>
38 #include <iterator>
39 
40 #include "symbol.hxx"
41 #include "view.hxx"
42 #include "utility.hxx"
43 #include "dialog.hxx"
44 #include "config.hxx"
45 #include "cfgitem.hxx"
46 #include "smmod.hxx"
47 #include "starmath.hrc"
48 
49 
50 using namespace ::com::sun::star;
51 using namespace ::com::sun::star::ucb;
52 using namespace ::com::sun::star::uno;
53 using namespace ::rtl;
54 
55 
56 /**************************************************************************/
57 
SmSym()58 SmSym::SmSym() :
59     m_aName(C2S("unknown")),
60     m_aSetName(C2S("unknown")),
61     m_cChar('\0'),
62     m_bPredefined(sal_False),
63     m_bDocSymbol(sal_False)
64 {
65     m_aExportName = m_aName;
66     m_aFace.SetTransparent(sal_True);
67     m_aFace.SetAlign(ALIGN_BASELINE);
68 }
69 
70 
SmSym(const SmSym & rSymbol)71 SmSym::SmSym(const SmSym& rSymbol)
72 {
73     *this = rSymbol;
74 }
75 
76 
SmSym(const String & rName,const Font & rFont,sal_UCS4 cChar,const String & rSet,sal_Bool bIsPredefined)77 SmSym::SmSym(const String& rName, const Font& rFont, sal_UCS4 cChar,
78 			 const String& rSet, sal_Bool bIsPredefined)
79 {
80     m_aName     = m_aExportName   = rName;
81 
82     m_aFace     = rFont;
83     m_aFace.SetTransparent(sal_True);
84     m_aFace.SetAlign(ALIGN_BASELINE);
85 
86     m_cChar   = cChar;
87 //! according to HDU this should not be used anymore now
88 //! since this was necessary in the early days but should
89 //! not be done now since this is handled now at a more
90 //! bottom layer by HDU.
91 //! He can still imagine scenarios where this will be wrong
92 //! now though, for example when importing *some* old documents.
93 //! But overall it should be a large improvement, and
94 //! likely everything will still work... #_- (eyes shut and "go"!)
95 //
96 //    if (RTL_TEXTENCODING_SYMBOL == rFont.GetCharSet())
97 //        Character |= 0xF000;
98     m_aSetName      = rSet;
99     m_bPredefined   = bIsPredefined;
100     m_bDocSymbol    = sal_False;
101 }
102 
103 
operator =(const SmSym & rSymbol)104 SmSym& SmSym::operator = (const SmSym& rSymbol)
105 {
106     m_aName         = rSymbol.m_aName;
107     m_aExportName   = rSymbol.m_aExportName;
108     m_cChar         = rSymbol.m_cChar;
109     m_aFace         = rSymbol.m_aFace;
110     m_aSetName      = rSymbol.m_aSetName;
111     m_bPredefined   = rSymbol.m_bPredefined;
112     m_bDocSymbol    = rSymbol.m_bDocSymbol;
113 
114     SmSymbolManager * pSymSetManager = &SM_MOD()->GetSymbolManager();
115     if (pSymSetManager)
116         pSymSetManager->SetModified(true);
117 
118 	return *this;
119 }
120 
121 
IsEqualInUI(const SmSym & rSymbol) const122 bool SmSym::IsEqualInUI( const SmSym& rSymbol ) const
123 {
124     return  m_aName == rSymbol.m_aName &&
125             m_aFace == rSymbol.m_aFace &&
126             m_cChar == rSymbol.m_cChar;
127 }
128 
129 /**************************************************************************/
130 
SFX_NOTIFY(SfxBroadcaster &,const TypeId & rBCType,const SfxHint &,const TypeId & rHintType)131 void SmSymbolManager::SFX_NOTIFY(SfxBroadcaster& /*rBC*/, const TypeId& rBCType,
132                               const SfxHint& /*rHint*/, const TypeId& rHintType)
133 {
134 }
135 
136 
Init()137 void SmSymbolManager::Init()
138 {
139     SmModule *pp = SM_MOD();
140 	StartListening(*pp->GetConfig());
141 }
142 
143 
Exit()144 void SmSymbolManager::Exit()
145 {
146     SmModule *pp = SM_MOD();
147 	EndListening(*pp->GetConfig());
148 }
149 
150 
SmSymbolManager()151 SmSymbolManager::SmSymbolManager()
152 {
153     m_bModified     = false;
154 }
155 
156 
SmSymbolManager(const SmSymbolManager & rSymbolSetManager)157 SmSymbolManager::SmSymbolManager(const SmSymbolManager& rSymbolSetManager) :
158     SfxListener()
159 {
160     m_aSymbols      = rSymbolSetManager.m_aSymbols;
161     m_bModified     = true;
162 }
163 
164 
~SmSymbolManager()165 SmSymbolManager::~SmSymbolManager()
166 {
167 }
168 
169 
operator =(const SmSymbolManager & rSymbolSetManager)170 SmSymbolManager& SmSymbolManager::operator = (const SmSymbolManager& rSymbolSetManager)
171 {
172     m_aSymbols      = rSymbolSetManager.m_aSymbols;
173     m_bModified     = true;
174 	return *this;
175 }
176 
177 
GetSymbolByName(const String & rSymbolName)178 SmSym *SmSymbolManager::GetSymbolByName(const String& rSymbolName)
179 {
180     SmSym *pRes = NULL;
181     SymbolMap_t::iterator aIt( m_aSymbols.find( rSymbolName ) );
182     if (aIt != m_aSymbols.end())
183         pRes = &aIt->second;
184     return pRes;
185 }
186 
187 
GetSymbols() const188 const SymbolPtrVec_t SmSymbolManager::GetSymbols() const
189 {
190     SymbolPtrVec_t aRes;
191     SymbolMap_t::const_iterator aIt( m_aSymbols.begin() );
192     for ( ; aIt != m_aSymbols.end(); ++aIt)
193         aRes.push_back( &aIt->second );
194 //    DBG_ASSERT( sSymbols.size() == m_aSymbols.size(), "number of symbols mismatch " );
195     return aRes;
196 }
197 
198 
AddOrReplaceSymbol(const SmSym & rSymbol,bool bForceChange)199 bool SmSymbolManager::AddOrReplaceSymbol( const SmSym &rSymbol, bool bForceChange )
200 {
201     bool bAdded = false;
202 
203     const String aSymbolName( rSymbol.GetName() );
204     if (aSymbolName.Len() > 0 && rSymbol.GetSymbolSetName().Len() > 0)
205     {
206         const SmSym *pFound = GetSymbolByName( aSymbolName );
207         const bool bSymbolConflict = pFound && !pFound->IsEqualInUI( rSymbol );
208 
209         // avoid having the same symbol name twice but with different symbols in use
210         if (!pFound || bForceChange)
211         {
212             m_aSymbols[ aSymbolName ] = rSymbol;
213             bAdded = true;
214         }
215         else if (pFound && !bForceChange && bSymbolConflict)
216         {
217             // TODO: to solve this a document owned symbol manager would be required ...
218             // But for now we have a global one to easily support availability of all
219             // symbols in all formulas. A copy of the global one would be needed here
220             // and then the new symbol has to be forcefully applied. This would keep
221             // the current formula intact but will leave the set of symbols in the
222             // global symbol manager somewhat to chance.
223             DBG_ASSERT( 0, "symbol conflict, different symbol with same name found!" );
224         }
225 
226         if (bAdded)
227             m_bModified = true;
228         DBG_ASSERT( bAdded || (pFound && !bSymbolConflict), "AddOrReplaceSymbol: unresolved symbol conflict" );
229     }
230 
231     return bAdded;
232 }
233 
234 
RemoveSymbol(const String & rSymbolName)235 void SmSymbolManager::RemoveSymbol( const String & rSymbolName )
236 {
237     if (rSymbolName.Len() > 0)
238     {
239         size_t nOldSize = m_aSymbols.size();
240         m_aSymbols.erase( rSymbolName );
241         m_bModified = nOldSize != m_aSymbols.size();
242     }
243 }
244 
245 
GetSymbolSetNames() const246 std::set< String > SmSymbolManager::GetSymbolSetNames() const
247 {
248     std::set< String >  aRes;
249     SymbolMap_t::const_iterator aIt( m_aSymbols.begin() );
250     for ( ; aIt != m_aSymbols.end(); ++aIt )
251         aRes.insert( aIt->second.GetSymbolSetName() );
252     return aRes;
253 }
254 
255 
GetSymbolSet(const String & rSymbolSetName)256 const SymbolPtrVec_t SmSymbolManager::GetSymbolSet( const String& rSymbolSetName )
257 {
258     SymbolPtrVec_t aRes;
259     if (rSymbolSetName.Len() > 0)
260     {
261         SymbolMap_t::const_iterator aIt( m_aSymbols.begin() );
262         for ( ; aIt != m_aSymbols.end(); ++aIt )
263         {
264             if (aIt->second.GetSymbolSetName() == rSymbolSetName)
265                 aRes.push_back( &aIt->second );
266         }
267     }
268     return aRes;
269 }
270 
271 
Load()272 void SmSymbolManager::Load()
273 {
274     std::vector< SmSym > aSymbols;
275     SmMathConfig &rCfg = *SM_MOD()->GetConfig();
276     rCfg.GetSymbols( aSymbols );
277     size_t nSymbolCount = aSymbols.size();
278 
279     m_aSymbols.clear();
280     for (size_t i = 0;  i < nSymbolCount;  ++i)
281     {
282         const SmSym &rSym = aSymbols[i];
283         DBG_ASSERT( rSym.GetName().Len() > 0, "symbol without name!" );
284         if (rSym.GetName().Len() > 0)
285             AddOrReplaceSymbol( rSym );
286     }
287     m_bModified = true;
288 
289     if (0 == nSymbolCount)
290     {
291         DBG_ERROR( "no symbol set found" );
292         m_bModified = false;
293     }
294 
295     // now add a %i... symbol to the 'iGreek' set for every symbol found in the 'Greek' set.
296     SmLocalizedSymbolData   aLocalizedData;
297     const String aGreekSymbolSetName( aLocalizedData.GetUiSymbolSetName( A2OU("Greek") ) );
298     const SymbolPtrVec_t    aGreekSymbols( GetSymbolSet( aGreekSymbolSetName ) );
299     String aSymbolSetName( (sal_Unicode) 'i' );
300     aSymbolSetName += aGreekSymbolSetName;
301     size_t nSymbols = aGreekSymbols.size();
302     for (size_t i = 0;  i < nSymbols;  ++i)
303     {
304         // make the new symbol a copy but with ITALIC_NORMAL, and add it to iGreek
305         const SmSym &rSym = *aGreekSymbols[i];
306         Font aFont( rSym.GetFace() );
307         DBG_ASSERT( aFont.GetItalic() == ITALIC_NONE, "expected Font with ITALIC_NONE, failed." );
308         aFont.SetItalic( ITALIC_NORMAL );
309         String aSymbolName( (sal_Unicode)'i' );
310         aSymbolName += rSym.GetName();
311         SmSym aSymbol( aSymbolName, aFont, rSym.GetCharacter(),
312 		        aSymbolSetName, sal_True /*bIsPredefined*/ );
313 
314         AddOrReplaceSymbol( aSymbol );
315     }
316 }
317 
Save()318 void SmSymbolManager::Save()
319 {
320     if (m_bModified)
321     {
322         SmMathConfig &rCfg = *SM_MOD()->GetConfig();
323 
324 #if 0
325         sal_uInt16 nSymbolCount     = GetSymbolCount();
326         sal_uInt16 nSaveSymbolCnt   = 0;
327         const SmSym **pSymbols  = new const SmSym* [ nSymbolCount ];
328         const SmSym **pSym      = pSymbols;
329         for (sal_uInt16 j = 0;  j < nSymbolCount;  ++j)
330         {
331             const SmSym &rSym = *pSymSet->GetSymbol( j );
332             if (!rSym.IsDocSymbol())
333             {
334                 *pSym++ = &rSym;
335                 ++nSaveSymbolCnt;
336             }
337         }
338         DBG_ASSERT(pSym - pSymbols == nSaveSymbolCnt, "wrong number of symbols" );
339 #endif
340 
341         // prepare to skip symbols from iGreek on saving
342         SmLocalizedSymbolData   aLocalizedData;
343         String aSymbolSetName( (sal_Unicode) 'i' );
344         aSymbolSetName += aLocalizedData.GetUiSymbolSetName( A2OU("Greek") );
345 
346         SymbolPtrVec_t aTmp( GetSymbols() );
347         std::vector< SmSym > aSymbols;
348         for (size_t i = 0; i < aTmp.size(); ++i)
349         {
350             // skip symbols from iGreek set since those symbols always get added
351             // by computational means in SmSymbolManager::Load
352             if (aTmp[i]->GetSymbolSetName() != aSymbolSetName)
353                 aSymbols.push_back( *aTmp[i] );
354         }
355         rCfg.SetSymbols( aSymbols );
356 #if 0
357         delete [] pSymbols;
358 #endif
359 
360         m_bModified = false;
361     }
362 }
363 
364 
365