1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Word Processor
6 * Copyright 1995 Matthias Ettrich
7 * Copyright 1995-2001 The LyX Team.
9 * This file is Copyright 1996-2001
12 * ======================================================
16 #pragma implementation
25 #include "bufferlist.h"
27 #include "support/FileInfo.h"
28 #include "support/filetools.h"
29 #include "support/lyxmanip.h"
30 #include "support/lyxfunctional.h"
31 #include "support/LAssert.h"
32 #include "lyx_gui_misc.h"
33 #include "lastfiles.h"
38 #include "bufferview_funcs.h"
39 #include "BufferView.h"
42 #include "vc-backend.h"
43 #include "TextCache.h"
52 extern BufferView * current_view;
55 // Class BufferStorage
58 void BufferStorage::release(Buffer * buf)
61 Container::iterator it = find(container.begin(), container.end(), buf);
62 if (it != container.end()) {
63 // Make sure that we don't store a LyXText in
64 // the textcache that points to the buffer
68 textcache.removeAllWithBuffer(tmp);
74 Buffer * BufferStorage::newBuffer(string const & s, bool ronly)
76 Buffer * tmpbuf = new Buffer(s, ronly);
77 tmpbuf->params.useClassDefaults();
78 lyxerr[Debug::INFO] << "Assigning to buffer "
79 << container.size() << endl;
80 container.push_back(tmpbuf);
89 BufferList::BufferList()
90 : state_(BufferList::OK)
94 bool BufferList::empty() const
96 return bstore.empty();
100 bool BufferList::qwriteAll()
102 bool askMoreConfirmation = false;
104 for (BufferStorage::iterator it = bstore.begin();
105 it != bstore.end(); ++it) {
106 if (!(*it)->isLyxClean()) {
108 if ((*it)->isUnnamed())
109 fname = OnlyFilename((*it)->fileName());
111 fname = MakeDisplayPath((*it)->fileName(), 50);
114 switch (AskConfirmation(_("Changes in document:"),
116 _("Save document?"))) {
118 if ((*it)->isUnnamed())
119 reask = !WriteAs(current_view, (*it));
121 reask = !MenuWrite(current_view, (*it));
125 // if we crash after this we could
126 // have no autosave file but I guess
127 // this is really inprobable (Jug)
128 if ((*it)->isUnnamed()) {
129 removeAutosaveFile((*it)->fileName());
131 askMoreConfirmation = true;
132 unsaved += MakeDisplayPath(fname, 50);
142 if (askMoreConfirmation &&
143 lyxrc.exit_confirmation &&
144 !AskQuestion(_("Some documents were not saved:"),
145 unsaved, _("Exit anyway?"))) {
153 void BufferList::closeAll()
155 state_ = BufferList::CLOSING;
156 // Since we are closing we can just as well delete all
157 // in the textcache this will also speed the closing/quiting up a bit.
160 while (!bstore.empty()) {
161 close(bstore.front());
163 state_ = BufferList::OK;
167 bool BufferList::close(Buffer * buf)
172 // Trace back why we need to use buf->getUser here.
173 // Perhaps slight rewrite is in order? (Lgb)
175 if (buf->getUser()) buf->getUser()->insetUnlock();
176 if (buf->paragraph && !buf->isLyxClean() && !quitting) {
178 buf->getUser()->owner()->prohibitInput();
180 if (buf->isUnnamed())
181 fname = OnlyFilename(buf->fileName());
183 fname = MakeDisplayPath(buf->fileName(), 50);
186 switch (AskConfirmation(_("Changes in document:"),
188 _("Save document?"))){
190 if (buf->isUnnamed())
191 reask = !WriteAs(current_view, buf);
192 else if (buf->save()) {
193 lastfiles->newFile(buf->fileName());
197 buf->getUser()->owner()->allowInput();
202 if (buf->isUnnamed()) {
203 removeAutosaveFile(buf->fileName());
209 buf->getUser()->owner()->allowInput();
214 buf->getUser()->owner()->allowInput();
222 vector<string> const BufferList::getFileNames() const
225 std::copy(bstore.begin(), bstore.end(),
226 lyx::back_inserter_fun(nvec, &Buffer::fileName));
231 Buffer * BufferList::first()
233 if (bstore.empty()) return 0;
234 return bstore.front();
238 Buffer * BufferList::getBuffer(unsigned int choice)
240 if (choice >= bstore.size()) return 0;
241 return bstore[choice];
245 int BufferList::unlockInset(UpdatableInset * inset)
249 //if (!inset) return 1;
250 for (BufferStorage::iterator it = bstore.begin();
251 it != bstore.end(); ++it) {
253 && (*it)->getUser()->theLockingInset() == inset) {
254 (*it)->getUser()->insetUnlock();
262 void BufferList::updateIncludedTeXfiles(string const & mastertmpdir)
264 for (BufferStorage::iterator it = bstore.begin();
265 it != bstore.end(); ++it) {
266 if (!(*it)->isDepClean(mastertmpdir)) {
267 string writefile = mastertmpdir;
269 writefile += (*it)->getLatexName();
270 (*it)->makeLaTeXFile(writefile, mastertmpdir,
272 (*it)->markDepClean(mastertmpdir);
278 void BufferList::emergencyWriteAll()
280 for_each(bstore.begin(), bstore.end(),
281 lyx::class_fun(*this, &BufferList::emergencyWrite));
285 void BufferList::emergencyWrite(Buffer * buf)
287 // assert(buf) // this is not good since C assert takes an int
288 // and a pointer is a long (JMarc)
289 assert(buf != 0); // use c assert to avoid a loop
292 // No need to save if the buffer has not changed.
293 if (buf->isLyxClean()) return;
295 lyxerr << fmt(_("lyx: Attempting to save document %s as..."),
296 buf->isUnnamed() ? OnlyFilename(buf->fileName()).c_str()
297 : buf->fileName().c_str()) << endl;
299 // We try to save three places:
301 // 1) Same place as document. Unless it is an unnamed doc.
302 if (!buf->isUnnamed()) {
303 string s = buf->fileName();
305 lyxerr << " " << s << endl;
306 if (buf->writeFile(s, true)) {
308 lyxerr << _(" Save seems successful. Phew.") << endl;
311 lyxerr << _(" Save failed! Trying...") << endl;
315 // 2) In HOME directory.
316 string s = AddName(GetEnvPath("HOME"), buf->fileName());
318 lyxerr << " " << s << endl;
319 if (buf->writeFile(s, true)) {
321 lyxerr << _(" Save seems successful. Phew.") << endl;
325 lyxerr << _(" Save failed! Trying...") << endl;
327 // 3) In "/tmp" directory.
328 // MakeAbsPath to prepend the current
329 // drive letter on OS/2
330 s = AddName(MakeAbsPath("/tmp/"), buf->fileName());
332 lyxerr << " " << s << endl;
333 if (buf->writeFile(s, true)) {
335 lyxerr << _(" Save seems successful. Phew.") << endl;
338 lyxerr << _(" Save failed! Bummer. Document is lost.") << endl;
343 Buffer * BufferList::readFile(string const & s, bool ronly)
345 Buffer * b = bstore.newBuffer(s, ronly);
348 string e = OnlyPath(s);
350 // File information about normal file
351 FileInfo fileInfo2(s);
353 if (!fileInfo2.exist()) {
354 WriteAlert(_("Error!"), _("Cannot open file"),
359 // Check if emergency save file exists and is newer.
360 e += OnlyFilename(s) + ".emergency";
361 FileInfo fileInfoE(e);
363 bool use_emergency = false;
365 if (fileInfoE.exist() && fileInfo2.exist()) {
366 if (fileInfoE.getModificationTime()
367 > fileInfo2.getModificationTime()) {
368 if (AskQuestion(_("An emergency save of this document exists!"),
369 MakeDisplayPath(s, 50),
370 _("Try to load that instead?"))) {
372 // the file is not saved if we load the
375 use_emergency = true;
377 // Here, we should delete the emergency save
383 if (!use_emergency) {
384 // Now check if autosave file is newer.
386 a += OnlyFilename(s);
388 FileInfo fileInfoA(a);
389 if (fileInfoA.exist() && fileInfo2.exist()) {
390 if (fileInfoA.getModificationTime()
391 > fileInfo2.getModificationTime()) {
392 if (AskQuestion(_("Autosave file is newer."),
393 MakeDisplayPath(s, 50),
394 _("Load that one instead?"))) {
396 // the file is not saved if we load the
400 // Here, we should delete the autosave
406 // not sure if this is the correct place to begin LyXLex
409 if (b->readFile(lex))
418 bool BufferList::exists(string const & s) const
420 return find_if(bstore.begin(), bstore.end(),
421 lyx::compare_memfun(&Buffer::fileName, s))
426 bool BufferList::isLoaded(Buffer const * b) const
430 BufferStorage::const_iterator cit =
431 find(bstore.begin(), bstore.end(), b);
432 return cit != bstore.end();
436 Buffer * BufferList::getBuffer(string const & s)
438 BufferStorage::iterator it =
439 find_if(bstore.begin(), bstore.end(),
440 lyx::compare_memfun(&Buffer::fileName, s));
441 return it != bstore.end() ? (*it) : 0;
445 Buffer * BufferList::newFile(string const & name, string tname, bool isNamed)
448 Buffer * b = bstore.newBuffer(name);
450 // use defaults.lyx as a default template if it exists.
452 tname = LibFileSearch("templates", "defaults.lyx");
454 if (!tname.empty()) {
455 bool templateok = false;
459 if (b->readFile(lex)) {
464 WriteAlert(_("Error!"), _("Unable to open template"),
465 MakeDisplayPath(tname));
466 // no template, start with empty buffer
467 b->paragraph = new Paragraph;
469 } else { // start with empty buffer
470 b->paragraph = new Paragraph;
473 if (!lyxrc.new_ask_filename && !isNamed) {
475 b->setFileName(name);
478 b->setReadonly(false);
484 Buffer * BufferList::loadLyXFile(string const & filename, bool tolastfiles)
486 // get absolute path of file and add ".lyx" to the filename if
488 string s = FileSearch(string(), filename, "lyx");
493 // file already open?
495 if (AskQuestion(_("Document is already open:"),
496 MakeDisplayPath(s, 50),
497 _("Do you want to reload that document?"))) {
498 // Reload is accomplished by closing and then loading
499 if (!close(getBuffer(s))) {
502 // Fall through to new load. (Asger)
504 // Here, we pretend that we just loaded the
511 switch (IsFileWriteable(s)) {
518 b->lyxvc.file_found_hook(s);
520 break; //fine- it's r/w
522 // Here we probably should run
523 if (LyXVC::file_not_found_hook(s)) {
524 // Ask if the file should be checked out for
525 // viewing/editing, if so: load it.
526 if (AskQuestion(_("Do you want to retrieve file under version control?"))) {
527 // How can we know _how_ to do the checkout?
528 // With the current VC support it has to be,
529 // a RCS file since CVS do not have special ,v files.
531 return loadLyXFile(filename, tolastfiles);
534 if (AskQuestion(_("Cannot open specified file:"),
535 MakeDisplayPath(s, 50),
536 _("Create new document with this name?")))
538 // Find a free buffer
539 b = newFile(s, string(), true);
544 if (b && tolastfiles)
545 lastfiles->newFile(b->fileName());