xref: /trunk/main/sw/source/core/text/txtcache.cxx (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5  * Copyright 2000, 2010 Oracle and/or its affiliates.
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13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
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20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_sw.hxx"
30 
31 
32 
33 #include "errhdl.hxx"
34 
35 #include "txtcache.hxx"
36 #include "txtfrm.hxx"
37 #include "porlay.hxx"
38 
39 /*************************************************************************
40 |*
41 |*  SwTxtLine::SwTxtLine(), ~SwTxtLine()
42 |*
43 |*  Ersterstellung      MA 16. Mar. 94
44 |*  Letzte Aenderung    MA 16. Mar. 94
45 |*
46 |*************************************************************************/
47 
48 SwTxtLine::SwTxtLine( SwTxtFrm *pFrm, SwParaPortion *pNew ) :
49     SwCacheObj( (void*)pFrm ),
50     pLine( pNew )
51 {
52 }
53 
54 SwTxtLine::~SwTxtLine()
55 {
56     delete pLine;
57 }
58 
59 /*************************************************************************
60 |*
61 |*  SwTxtLineAccess::NewObj()
62 |*
63 |*  Ersterstellung      MA 16. Mar. 94
64 |*  Letzte Aenderung    MA 16. Mar. 94
65 |*
66 |*************************************************************************/
67 
68 SwCacheObj *SwTxtLineAccess::NewObj()
69 {
70     return new SwTxtLine( (SwTxtFrm*)pOwner );
71 }
72 
73 /*************************************************************************
74 |*
75 |*  SwTxtLineAccess::GetPara()
76 |*
77 |*  Ersterstellung      MA 16. Mar. 94
78 |*  Letzte Aenderung    MA 16. Mar. 94
79 |*
80 |*************************************************************************/
81 
82 SwParaPortion *SwTxtLineAccess::GetPara()
83 {
84     SwTxtLine *pRet;
85     if ( pObj )
86         pRet = (SwTxtLine*)pObj;
87     else
88     {
89         pRet = (SwTxtLine*)Get();
90         ((SwTxtFrm*)pOwner)->SetCacheIdx( pRet->GetCachePos() );
91     }
92     if ( !pRet->GetPara() )
93         pRet->SetPara( new SwParaPortion );
94     return pRet->GetPara();
95 }
96 
97 
98 /*************************************************************************
99 |*
100 |*  SwTxtLineAccess::SwTxtLineAccess()
101 |*
102 |*  Ersterstellung      MA 16. Mar. 94
103 |*  Letzte Aenderung    MA 16. Mar. 94
104 |*
105 |*************************************************************************/
106 
107 SwTxtLineAccess::SwTxtLineAccess( const SwTxtFrm *pOwn ) :
108     SwCacheAccess( *SwTxtFrm::GetTxtCache(), pOwn, pOwn->GetCacheIdx() )
109 {
110 }
111 
112 /*************************************************************************
113 |*
114 |*  SwTxtLineAccess::IsAvailable
115 |*
116 |*  Ersterstellung      MA 23. Mar. 94
117 |*  Letzte Aenderung    MA 23. Mar. 94
118 |*
119 |*************************************************************************/
120 
121 sal_Bool SwTxtLineAccess::IsAvailable() const
122 {
123     if ( pObj )
124         return ((SwTxtLine*)pObj)->GetPara() != 0;
125     return sal_False;
126 }
127 
128 /*************************************************************************
129 |*
130 |*  SwTxtFrm::HasPara()
131 |*
132 |*  Ersterstellung      MA 16. Mar. 94
133 |*  Letzte Aenderung    MA 22. Aug. 94
134 |*
135 |*************************************************************************/
136 
137 sal_Bool SwTxtFrm::_HasPara() const
138 {
139     SwTxtLine *pTxtLine = (SwTxtLine*)SwTxtFrm::GetTxtCache()->
140                                             Get( this, GetCacheIdx(), sal_False );
141     if ( pTxtLine )
142     {
143         if ( pTxtLine->GetPara() )
144             return sal_True;
145     }
146     else
147         ((SwTxtFrm*)this)->nCacheIdx = MSHRT_MAX;
148 
149     return sal_False;
150 }
151 
152 /*************************************************************************
153 |*
154 |*  SwTxtFrm::GetPara()
155 |*
156 |*  Ersterstellung      MA 16. Mar. 94
157 |*  Letzte Aenderung    MA 22. Aug. 94
158 |*
159 |*************************************************************************/
160 
161 SwParaPortion *SwTxtFrm::GetPara()
162 {
163     if ( GetCacheIdx() != MSHRT_MAX )
164     {   SwTxtLine *pLine = (SwTxtLine*)SwTxtFrm::GetTxtCache()->
165                                         Get( this, GetCacheIdx(), sal_False );
166         if ( pLine )
167             return pLine->GetPara();
168         else
169             nCacheIdx = MSHRT_MAX;
170     }
171     return 0;
172 }
173 
174 
175 /*************************************************************************
176 |*
177 |*  SwTxtFrm::ClearPara()
178 |*
179 |*  Ersterstellung      MA 16. Mar. 94
180 |*  Letzte Aenderung    MA 22. Aug. 94
181 |*
182 |*************************************************************************/
183 
184 void SwTxtFrm::ClearPara()
185 {
186     ASSERT( !IsLocked(), "+SwTxtFrm::ClearPara: this is locked." );
187     if ( !IsLocked() && GetCacheIdx() != MSHRT_MAX )
188     {
189         SwTxtLine *pTxtLine = (SwTxtLine*)SwTxtFrm::GetTxtCache()->
190                                         Get( this, GetCacheIdx(), sal_False );
191         if ( pTxtLine )
192         {
193             delete pTxtLine->GetPara();
194             pTxtLine->SetPara( 0 );
195         }
196         else
197             nCacheIdx = MSHRT_MAX;
198     }
199 }
200 
201 /*************************************************************************
202 |*
203 |*  SwTxtFrm::SetPara()
204 |*
205 |*  Ersterstellung      MA 16. Mar. 94
206 |*  Letzte Aenderung    MA 22. Aug. 94
207 |*
208 |*************************************************************************/
209 
210 void SwTxtFrm::SetPara( SwParaPortion *pNew, sal_Bool bDelete )
211 {
212     if ( GetCacheIdx() != MSHRT_MAX )
213     {
214         //Nur die Information Auswechseln, das CacheObj bleibt stehen.
215         SwTxtLine *pTxtLine = (SwTxtLine*)SwTxtFrm::GetTxtCache()->
216                                         Get( this, GetCacheIdx(), sal_False );
217         if ( pTxtLine )
218         {
219             if( bDelete )
220                 delete pTxtLine->GetPara();
221             pTxtLine->SetPara( pNew );
222         }
223         else
224         {
225             ASSERT( !pNew, "+SetPara: Losing SwParaPortion" );
226             nCacheIdx = MSHRT_MAX;
227         }
228     }
229     else if ( pNew )
230     {   //Einen neuen einfuegen.
231         SwTxtLine *pTxtLine = new SwTxtLine( this, pNew );
232         if ( SwTxtFrm::GetTxtCache()->Insert( pTxtLine ) )
233             nCacheIdx = pTxtLine->GetCachePos();
234         else
235         {
236             ASSERT( sal_False, "+SetPara: InsertCache failed." );
237         }
238     }
239 }
240 
241 
242