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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 <tools/multisel.hxx>
21 : #include <doc.hxx>
22 : #include <IMark.hxx>
23 : #include <fldbas.hxx>
24 : #include <fmtfld.hxx>
25 : #include <fmtftn.hxx>
26 : #include <modeltoviewhelper.hxx>
27 : #include <ndtxt.hxx>
28 : #include <pam.hxx>
29 : #include <txatbase.hxx>
30 : #include <txtfld.hxx>
31 : #include <txtftn.hxx>
32 : #include <scriptinfo.hxx>
33 : #include <set>
34 : #include <vector>
35 :
36 9051 : struct FieldResult
37 : {
38 : sal_Int32 m_nFieldPos;
39 : OUString m_sExpand;
40 : enum { NONE, FIELD, FOOTNOTE } m_eType;
41 3017 : explicit FieldResult(sal_Int32 const nPos)
42 3017 : : m_nFieldPos(nPos), m_eType(NONE)
43 3017 : { }
44 : };
45 :
46 : class sortfieldresults :
47 : public std::binary_function<const FieldResult&, const FieldResult&, bool>
48 : {
49 : public:
50 8047 : bool operator()(const FieldResult &rOne, const FieldResult &rTwo) const
51 : {
52 8047 : return rOne.m_nFieldPos < rTwo.m_nFieldPos;
53 : }
54 : };
55 :
56 : typedef std::set<FieldResult, sortfieldresults> FieldResultSet;
57 :
58 26185 : struct block
59 : {
60 : sal_Int32 m_nStart;
61 : sal_Int32 m_nLen;
62 : bool m_bVisible;
63 : FieldResultSet m_aAttrs;
64 8703 : block(sal_Int32 nStart, sal_Int32 nLen, bool bVisible)
65 8703 : : m_nStart(nStart), m_nLen(nLen), m_bVisible(bVisible)
66 : {
67 8703 : }
68 : };
69 :
70 : struct containsPos
71 : {
72 : const sal_Int32 m_nPos;
73 3017 : explicit containsPos(const sal_Int32 nPos)
74 3017 : : m_nPos(nPos)
75 : {
76 3017 : }
77 3033 : bool operator() (const block& rIn) const
78 : {
79 3033 : return m_nPos >= rIn.m_nStart && m_nPos < rIn.m_nStart + rIn.m_nLen;
80 : }
81 : };
82 :
83 9135 : ModelToViewHelper::ModelToViewHelper(const SwTextNode &rNode, ExpandMode eMode)
84 : {
85 9135 : const OUString& rNodeText = rNode.GetText();
86 9135 : m_aRetText = rNodeText;
87 :
88 9135 : if (eMode == ExpandMode::PassThrough)
89 9136 : return;
90 :
91 9134 : Range aRange( 0, rNodeText.isEmpty() ? 0 : rNodeText.getLength() - 1);
92 9134 : MultiSelection aHiddenMulti(aRange);
93 :
94 9134 : if (eMode & ExpandMode::HideInvisible)
95 5442 : SwScriptInfo::selectHiddenTextProperty(rNode, aHiddenMulti);
96 :
97 9134 : if (eMode & ExpandMode::HideDeletions)
98 5442 : SwScriptInfo::selectRedLineDeleted(rNode, aHiddenMulti);
99 :
100 18268 : std::vector<block> aBlocks;
101 :
102 9134 : sal_Int32 nShownStart = 0;
103 9153 : for (size_t i = 0; i < aHiddenMulti.GetRangeCount(); ++i)
104 : {
105 19 : const Range& rRange = aHiddenMulti.GetRange(i);
106 19 : const sal_Int32 nHiddenStart = rRange.Min();
107 19 : const sal_Int32 nHiddenEnd = rRange.Max() + 1;
108 19 : const sal_Int32 nHiddenLen = nHiddenEnd - nHiddenStart;
109 :
110 19 : const sal_Int32 nShownEnd = nHiddenStart;
111 19 : const sal_Int32 nShownLen = nShownEnd - nShownStart;
112 :
113 19 : if (nShownLen)
114 14 : aBlocks.push_back(block(nShownStart, nShownLen, true));
115 :
116 19 : if (nHiddenLen)
117 19 : aBlocks.push_back(block(nHiddenStart, nHiddenLen, false));
118 :
119 19 : nShownStart = nHiddenEnd;
120 : }
121 :
122 9134 : sal_Int32 nTrailingShownLen = rNodeText.getLength() - nShownStart;
123 9134 : if (nTrailingShownLen)
124 8670 : aBlocks.push_back(block(nShownStart, nTrailingShownLen, true));
125 :
126 9134 : if (eMode & ExpandMode::ExpandFields || eMode & ExpandMode::ExpandFootnote)
127 : {
128 : //first the normal fields, get their position in the node and what the text they expand
129 : //to is
130 9131 : const SwpHints* pSwpHints2 = rNode.GetpSwpHints();
131 15455 : for ( size_t i = 0; pSwpHints2 && i < pSwpHints2->Count(); ++i )
132 : {
133 6324 : const SwTextAttr* pAttr = (*pSwpHints2)[i];
134 6324 : if (pAttr->HasDummyChar())
135 : {
136 3021 : const sal_Int32 nDummyCharPos = pAttr->GetStart();
137 3021 : if (aHiddenMulti.IsSelected(nDummyCharPos))
138 6 : continue;
139 : std::vector<block>::iterator aFind = std::find_if(aBlocks.begin(),
140 3015 : aBlocks.end(), containsPos(nDummyCharPos));
141 3015 : if (aFind != aBlocks.end())
142 : {
143 3015 : FieldResult aFieldResult(nDummyCharPos);
144 3015 : switch (pAttr->Which())
145 : {
146 : case RES_TXTATR_FIELD:
147 : case RES_TXTATR_ANNOTATION:
148 454 : if (eMode & ExpandMode::ExpandFields)
149 : {
150 1816 : aFieldResult.m_sExpand = (eMode & ExpandMode::ReplaceMode)
151 : ? OUString(CHAR_ZWSP)
152 454 : : static_txtattr_cast<SwTextField const*>(pAttr)->
153 1362 : GetFormatField().GetField()->ExpandField(true);
154 454 : aFieldResult.m_eType = FieldResult::FIELD;
155 : }
156 454 : break;
157 : case RES_TXTATR_FTN:
158 107 : if (eMode & ExpandMode::ExpandFootnote)
159 : {
160 103 : const SwFormatFootnote& rFootnote = static_cast<SwTextFootnote const*>(pAttr)->GetFootnote();
161 103 : const SwDoc *pDoc = rNode.GetDoc();
162 309 : aFieldResult.m_sExpand = (eMode & ExpandMode::ReplaceMode)
163 : ? OUString(CHAR_ZWSP)
164 206 : : rFootnote.GetViewNumStr(*pDoc);
165 103 : aFieldResult.m_eType = FieldResult::FOOTNOTE;
166 : }
167 107 : break;
168 : default:
169 2454 : break;
170 : }
171 3015 : aFind->m_aAttrs.insert(aFieldResult);
172 : }
173 : }
174 : }
175 :
176 9131 : if (eMode & ExpandMode::ExpandFields)
177 : {
178 : //now get the dropdown formfields, get their position in the node and what the text they expand
179 : //to is
180 9131 : SwPaM aPaM(rNode, 0, rNode, rNode.Len());
181 : std::vector<sw::mark::IFieldmark*> aDropDowns =
182 18262 : rNode.GetDoc()->getIDocumentMarkAccess()->getDropDownsFor(aPaM);
183 :
184 9133 : for (std::vector<sw::mark::IFieldmark*>::iterator aI = aDropDowns.begin(), aEnd = aDropDowns.end();
185 : aI != aEnd; ++aI)
186 : {
187 2 : sw::mark::IFieldmark *pMark = *aI;
188 2 : const sal_Int32 nDummyCharPos = pMark->GetMarkPos().nContent.GetIndex()-1;
189 2 : if (aHiddenMulti.IsSelected(nDummyCharPos))
190 0 : continue;
191 : std::vector<block>::iterator aFind = std::find_if(aBlocks.begin(), aBlocks.end(),
192 2 : containsPos(nDummyCharPos));
193 2 : if (aFind != aBlocks.end())
194 : {
195 2 : FieldResult aFieldResult(nDummyCharPos);
196 6 : aFieldResult.m_sExpand = (eMode & ExpandMode::ReplaceMode)
197 : ? OUString(CHAR_ZWSP)
198 4 : : sw::mark::ExpandFieldmark(pMark);
199 2 : aFieldResult.m_eType = FieldResult::FIELD;
200 2 : aFind->m_aAttrs.insert(aFieldResult);
201 : }
202 9131 : }
203 : }
204 : }
205 :
206 : //store the end of each range in the model and where that end of range
207 : //maps to in the view
208 9134 : sal_Int32 nOffset = 0;
209 17837 : for (std::vector<block>::iterator i = aBlocks.begin(); i != aBlocks.end(); ++i)
210 : {
211 8703 : const sal_Int32 nBlockLen = i->m_nLen;
212 8703 : if (!nBlockLen)
213 0 : continue;
214 8703 : const sal_Int32 nBlockStart = i->m_nStart;
215 8703 : const sal_Int32 nBlockEnd = nBlockStart + nBlockLen;
216 :
217 8703 : if (!i->m_bVisible)
218 : {
219 19 : sal_Int32 const modelBlockPos(nBlockEnd);
220 19 : sal_Int32 const viewBlockPos(nBlockStart + nOffset);
221 19 : m_aMap.push_back(ConversionMapEntry(modelBlockPos, viewBlockPos, false));
222 :
223 19 : m_aRetText = m_aRetText.replaceAt(nOffset + nBlockStart, nBlockLen, OUString());
224 19 : nOffset -= nBlockLen;
225 : }
226 : else
227 : {
228 11701 : for (FieldResultSet::iterator j = i->m_aAttrs.begin(); j != i->m_aAttrs.end(); ++j)
229 : {
230 3017 : sal_Int32 const modelFieldPos(j->m_nFieldPos);
231 3017 : sal_Int32 const viewFieldPos(j->m_nFieldPos + nOffset);
232 3017 : m_aMap.push_back( ConversionMapEntry(modelFieldPos, viewFieldPos, true) );
233 :
234 3017 : m_aRetText = m_aRetText.replaceAt(viewFieldPos, 1, j->m_sExpand);
235 3017 : nOffset += j->m_sExpand.getLength() - 1;
236 :
237 3017 : switch (j->m_eType)
238 : {
239 : case FieldResult::FIELD:
240 456 : m_FieldPositions.push_back(viewFieldPos);
241 456 : break;
242 : case FieldResult::FOOTNOTE:
243 103 : m_FootnotePositions.push_back(viewFieldPos);
244 103 : break;
245 : case FieldResult::NONE: /*ignore*/
246 2458 : break;
247 : }
248 : }
249 :
250 8684 : sal_Int32 const modelEndBlock(nBlockEnd);
251 8684 : sal_Int32 const viewFieldPos(nBlockEnd + nOffset);
252 8684 : m_aMap.push_back(ConversionMapEntry(modelEndBlock, viewFieldPos, true));
253 : }
254 9134 : }
255 : }
256 :
257 : /** Converts a model position into a view position
258 : */
259 17304 : sal_Int32 ModelToViewHelper::ConvertToViewPosition( sal_Int32 nModelPos ) const
260 : {
261 : // Search for entry after nPos:
262 17304 : ConversionMap::const_iterator aIter;
263 :
264 19779 : for ( aIter = m_aMap.begin(); aIter != m_aMap.end(); ++aIter )
265 : {
266 18863 : if (aIter->m_nModelPos >= nModelPos)
267 : {
268 : //if it's an invisible portion, map all contained positions
269 : //to the anchor viewpos
270 16388 : if (!aIter->m_bVisible)
271 5 : return aIter->m_nViewPos;
272 :
273 : //if it's a visible portion, then the view position is the anchor
274 : //viewpos - the offset of the input modelpos from the anchor
275 : //modelpos
276 16383 : const sal_Int32 nOffsetFromEnd = aIter->m_nModelPos - nModelPos;
277 16383 : return aIter->m_nViewPos - nOffsetFromEnd;
278 : }
279 : }
280 :
281 916 : return nModelPos;
282 : }
283 :
284 : /** Converts a view position into a model position
285 : */
286 139856909 : ModelToViewHelper::ModelPosition ModelToViewHelper::ConvertToModelPosition( sal_Int32 nViewPos ) const
287 : {
288 139856909 : ModelPosition aRet;
289 139856909 : aRet.mnPos = nViewPos;
290 :
291 : // Search for entry after nPos:
292 139856909 : ConversionMap::const_iterator aIter;
293 139857328 : for ( aIter = m_aMap.begin(); aIter != m_aMap.end(); ++aIter )
294 : {
295 263528 : if (aIter->m_nViewPos > nViewPos)
296 : {
297 263109 : const sal_Int32 nPosModel = aIter->m_nModelPos;
298 263109 : const sal_Int32 nPosExpand = aIter->m_nViewPos;
299 :
300 : // If nViewPos is in front of first field, we are finished.
301 263109 : if ( aIter == m_aMap.begin() )
302 262810 : break;
303 :
304 299 : --aIter;
305 :
306 : // nPrevPosModel is the field position
307 299 : const sal_Int32 nPrevPosModel = aIter->m_nModelPos;
308 299 : const sal_Int32 nPrevPosExpand = aIter->m_nViewPos;
309 :
310 299 : const sal_Int32 nLengthModel = nPosModel - nPrevPosModel;
311 299 : const sal_Int32 nLengthExpand = nPosExpand - nPrevPosExpand;
312 :
313 299 : const sal_Int32 nFieldLengthExpand = nLengthExpand - nLengthModel + 1;
314 299 : const sal_Int32 nFieldEndExpand = nPrevPosExpand + nFieldLengthExpand;
315 :
316 : // Check if nPos is outside of field:
317 299 : if ( nFieldEndExpand <= nViewPos )
318 : {
319 : // nPos is outside of field:
320 130 : const sal_Int32 nDistToField = nViewPos - nFieldEndExpand + 1;
321 130 : aRet.mnPos = nPrevPosModel + nDistToField;
322 : }
323 : else
324 : {
325 : // nViewPos is inside a field:
326 169 : aRet.mnPos = nPrevPosModel;
327 169 : aRet.mnSubPos = nViewPos - nPrevPosExpand;
328 169 : aRet.mbIsField = true;
329 : }
330 :
331 299 : break;
332 : }
333 : }
334 :
335 139856909 : return aRet;
336 177 : }
337 :
338 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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