1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1995-2000 The LyX Team.
8 * ====================================================== */
12 #include "CutAndPaste.h"
13 #include "lyxparagraph.h"
14 #include "insets/inseterror.h"
15 #include "lyx_gui_misc.h"
18 #pragma implementation
23 static LyXParagraph * buf = 0;
25 CutAndPaste::CutAndPaste()
30 CutAndPaste::~CutAndPaste()
34 // for now here this should be in another Cut&Paste Class!
36 void CutAndPaste::DeleteBuffer()
41 LyXParagraph * tmppar;
51 bool CutAndPaste::cutSelection(LyXParagraph *startpar, LyXParagraph **endpar,
52 int start, int & end, char tc, bool doclear)
54 if (!startpar || (start > startpar->Last()))
61 if (!(*endpar) || (startpar->ParFromPos(start) ==
62 (*endpar)->ParFromPos(end))) {
63 // only within one paragraph
64 buf = new LyXParagraph;
65 LyXParagraph::size_type i = start;
66 if (end > startpar->Last())
67 end = startpar->Last();
68 for (; i < end; ++i) {
69 startpar->CopyIntoMinibuffer(start);
70 /* table stuff -- begin */
71 if (startpar->table && startpar->IsNewline(start)) {
74 /* table stuff -- end */
75 startpar->Erase(start);
77 buf->InsertFromMinibuffer(buf->Last());
80 // more than one paragraph
81 (*endpar)->BreakParagraphConservative(end);
82 *endpar = (*endpar)->Next();
85 startpar->BreakParagraphConservative(start);
87 // store the selection
88 buf = startpar->ParFromPos(start)->next;
90 (*endpar)->previous->next = 0;
93 startpar->ParFromPos(start)->next = (*endpar);
95 (*endpar)->previous = startpar->ParFromPos(start);
97 // care about footnotes
98 if (buf->footnoteflag) {
99 LyXParagraph * tmppar = buf;
101 tmppar->footnoteflag = LyXParagraph::NO_FOOTNOTE;
102 tmppar = tmppar->next;
106 // the cut selection should begin with standard layout
109 // paste the paragraphs again, if possible
111 startpar->Next()->ClearParagraph();
112 if (startpar->FirstPhysicalPar()->HasSameLayout(startpar->Next()) ||
113 !startpar->Next()->Last())
114 startpar->ParFromPos(start)->PasteParagraph();
119 bool CutAndPaste::copySelection(LyXParagraph *startpar, LyXParagraph *endpar,
120 int start, int end, char tc)
122 if (!startpar || (start > startpar->Last()))
129 if (!(endpar) || (startpar->ParFromPos(start) ==
130 (endpar)->ParFromPos(end))) {
131 // only within one paragraph
132 buf = new LyXParagraph;
133 LyXParagraph::size_type i = start;
134 if (end > startpar->Last())
135 end = startpar->Last();
136 for (; i < end; ++i) {
137 startpar->CopyIntoMinibuffer(i);
138 buf->InsertFromMinibuffer(buf->Last());
141 // copy more than one paragraph
142 // clone the paragraphs within the selection
143 LyXParagraph *tmppar = startpar->ParFromPos(start);
144 buf = tmppar->Clone();
145 LyXParagraph *tmppar2 = buf;
147 while (tmppar != endpar->ParFromPos(end)
149 tmppar = tmppar->next;
150 tmppar2->next = tmppar->Clone();
151 tmppar2->next->previous = tmppar2;
152 tmppar2 = tmppar2->next;
156 // care about footnotes
157 if (buf->footnoteflag) {
160 tmppar->footnoteflag = LyXParagraph::NO_FOOTNOTE;
161 tmppar = tmppar->next;
165 // the buf paragraph is too big
166 LyXParagraph::size_type tmpi2 = startpar->PositionInParFromPos(start);
167 for (; tmpi2; --tmpi2)
170 // now tmppar 2 is too big, delete all after end
172 tmpi2 = endpar->PositionInParFromPos(end);
173 while (tmppar2->size() > tmpi2) {
174 tmppar2->Erase(tmppar2->size() - 1);
180 bool CutAndPaste::pasteSelection(LyXParagraph **par, LyXParagraph **endpar,
183 if (!checkPastePossible(*par, pos))
186 if (pos > (*par)->Last())
187 pos = (*par)->Last();
189 LyXParagraph * tmpbuf;
190 LyXParagraph * tmppar = *par;
193 // There are two cases: cutbuffer only one paragraph or many
195 // only within a paragraph
196 tmpbuf = buf->Clone();
197 /* table stuff -- begin */
198 bool table_too_small = false;
200 while (buf->size() && !table_too_small) {
201 if (buf->IsNewline(0)){
202 while((tmppos < tmppar->Last()) &&
203 !tmppar->IsNewline(tmppos))
206 if (tmppos < tmppar->Last())
209 table_too_small = true;
211 // This is an attempt to fix the
212 // "never insert a space at the
213 // beginning of a paragraph" problem.
214 if (!tmppos && buf->IsLineSeparator(0)) {
217 buf->CutIntoMinibuffer(0);
219 if (tmppar->InsertFromMinibuffer(tmppos))
225 /* table stuff -- end */
226 // Some provisions should be done here for checking
227 // if we are inserting at the beginning of a
228 // paragraph. If there are a space at the beginning
229 // of the text to insert and we are inserting at
230 // the beginning of the paragraph the space should
232 while (buf->size()) {
233 // This is an attempt to fix the
234 // "never insert a space at the
235 // beginning of a paragraph" problem.
236 if (!tmppos && buf->IsLineSeparator(0)) {
239 buf->CutIntoMinibuffer(0);
241 if (tmppar->InsertFromMinibuffer(tmppos))
248 *endpar = tmppar->Next();
253 // make a copy of the simple cut_buffer
255 LyXParagraph * simple_cut_clone = tmpbuf->Clone();
256 LyXParagraph * tmpbuf2 = simple_cut_clone;
257 if ((*par)->footnoteflag){
258 tmpbuf->footnoteflag = (*par)->footnoteflag;
259 tmpbuf->footnotekind = (*par)->footnotekind;
261 while (tmpbuf->next) {
262 tmpbuf = tmpbuf->next;
263 tmpbuf2->next = tmpbuf->Clone();
264 tmpbuf2->next->previous = tmpbuf2;
265 tmpbuf2 = tmpbuf2->next;
266 if ((*par)->footnoteflag){
267 tmpbuf->footnoteflag = (*par)->footnoteflag;
268 tmpbuf->footnotekind = (*par)->footnotekind;
272 // make sure there is no class difference
273 SwitchLayoutsBetweenClasses(textclass, tc, buf);
275 // make the buf exactly the same layout than
276 // the cursor paragraph
277 buf->MakeSameLayout(*par);
279 // find the end of the buffer
280 LyXParagraph * lastbuffer = buf;
281 while (lastbuffer->Next())
282 lastbuffer = lastbuffer->Next();
284 bool paste_the_end = false;
286 // open the paragraph for inserting the buf
288 if (((*par)->Last() > pos) || !(*par)->Next()) {
289 (*par)->BreakParagraphConservative(pos);
290 paste_the_end = true;
293 // set the end for redoing later
294 *endpar = (*par)->ParFromPos(pos)->next->Next();
297 lastbuffer->ParFromPos(lastbuffer->Last())->next =
298 (*par)->ParFromPos(pos)->next;
299 (*par)->ParFromPos(pos)->next->previous =
300 lastbuffer->ParFromPos(lastbuffer->Last());
302 (*par)->ParFromPos(pos)->next = buf;
303 buf->previous = (*par)->ParFromPos(pos);
305 if ((*par)->ParFromPos(pos)->Next() == lastbuffer)
308 (*par)->ParFromPos(pos)->PasteParagraph();
310 // store the new cursor position
312 tmppos = lastbuffer->Last();
314 // maybe some pasting
315 if (lastbuffer->Next() && paste_the_end) {
316 if (lastbuffer->Next()->HasSameLayout(lastbuffer)) {
317 lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
318 } else if (!lastbuffer->Next()->Last()) {
319 lastbuffer->Next()->MakeSameLayout(lastbuffer);
320 lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
321 } else if (!lastbuffer->Last()) {
322 lastbuffer->MakeSameLayout(lastbuffer->next);
323 lastbuffer->ParFromPos(lastbuffer->Last())->PasteParagraph();
325 lastbuffer->Next()->ClearParagraph();
327 // restore the simple cut buffer
328 buf = simple_cut_clone;
335 int CutAndPaste::nrOfParagraphs() const
341 LyXParagraph *tmppar = buf;
342 while(tmppar->next) {
344 tmppar = tmppar->next;
349 int CutAndPaste::SwitchLayoutsBetweenClasses(LyXTextClassList::size_type c1,
350 LyXTextClassList::size_type c2,
354 if (!par || c1 == c2)
356 par = par->FirstPhysicalPar();
358 string name = textclasslist.NameOfLayout(c1, par->layout);
360 pair<bool, LyXTextClass::LayoutList::size_type> pp =
361 textclasslist.NumberOfLayout(c2, name);
364 } else { // layout not found
365 // use default layout "Standard" (0)
370 if (name != textclasslist.NameOfLayout(c2, par->layout)) {
372 string s = "Layout had to be changed from\n"
374 + textclasslist.NameOfLayout(c2, par->layout)
375 + "\nbecause of class conversion from\n"
376 + textclasslist.NameOfClass(c1) + " to "
377 + textclasslist.NameOfClass(c2);
378 InsetError * new_inset = new InsetError(s);
379 par->InsertChar(0, LyXParagraph::META_INSET);
380 par->InsertInset(0, new_inset);
388 char CutAndPaste::getBufferTextClass()
393 bool CutAndPaste::checkPastePossible(LyXParagraph *par, int)
398 LyXParagraph *tmppar;
400 // be carefull with footnotes in footnotes
401 if (par->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
402 // check whether the cut_buffer includes a footnote
404 while (tmppar && tmppar->footnoteflag == LyXParagraph::NO_FOOTNOTE)
405 tmppar = tmppar->next;
408 WriteAlert(_("Impossible operation"),
409 _("Can't paste float into float!"),
414 /* table stuff -- begin */
417 WriteAlert(_("Impossible operation"),
418 _("Table cell cannot include more than one paragraph!"),
423 /* table stuff -- end */