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 * ======================================================
18 #pragma implementation
21 #include "bufferlist.h"
23 #include "lastfiles.h"
28 #include "bufferview_funcs.h"
29 #include "BufferView.h"
31 #include "frontends/LyXView.h"
32 #include "vc-backend.h"
33 #include "TextCache.h"
34 #include "lyxtextclasslist.h"
36 #include "frontends/Alert.h"
38 #include "support/FileInfo.h"
39 #include "support/filetools.h"
40 #include "support/lyxmanip.h"
41 #include "support/lyxfunctional.h"
42 #include "support/LAssert.h"
56 extern BufferView * current_view;
59 // Class BufferStorage
62 void BufferStorage::release(Buffer * buf)
65 Container::iterator it = find(container.begin(), container.end(), buf);
66 if (it != container.end()) {
67 // Make sure that we don't store a LyXText in
68 // the textcache that points to the buffer
72 textcache.removeAllWithBuffer(tmp);
78 Buffer * BufferStorage::newBuffer(string const & s, bool ronly)
80 Buffer * tmpbuf = new Buffer(s, ronly);
81 tmpbuf->params.useClassDefaults();
82 lyxerr[Debug::INFO] << "Assigning to buffer "
83 << container.size() << endl;
84 container.push_back(tmpbuf);
93 BufferList::BufferList()
94 : state_(BufferList::OK)
98 bool BufferList::empty() const
100 return bstore.empty();
104 bool BufferList::qwriteOne(Buffer * buf, string const & fname,
105 string & unsaved_list)
109 switch (Alert::askConfirmation(_("Changes in document:"),
111 _("Save document?"))) {
113 // FIXME: WriteAs can be asynch !
114 if (buf->isUnnamed())
115 reask = !WriteAs(current_view, buf);
117 reask = !MenuWrite(current_view, buf);
121 // if we crash after this we could
122 // have no autosave file but I guess
123 // this is really inprobable (Jug)
124 if (buf->isUnnamed()) {
125 removeAutosaveFile(buf->fileName());
128 unsaved_list += MakeDisplayPath(fname, 50) + "\n";
138 bool BufferList::qwriteAll()
141 BufferStorage::iterator it = bstore.begin();
142 BufferStorage::iterator end = bstore.end();
143 for (; it != end; ++it) {
144 if (!(*it)->isLyxClean()) {
146 if ((*it)->isUnnamed())
147 fname = OnlyFilename((*it)->fileName());
149 fname = MakeDisplayPath((*it)->fileName(), 50);
150 if (!qwriteOne(*it, fname, unsaved)) // cancel the request!
159 void BufferList::closeAll()
161 state_ = BufferList::CLOSING;
162 // Since we are closing we can just as well delete all
163 // in the textcache this will also speed the closing/quiting up a bit.
166 while (!bstore.empty()) {
167 close(bstore.front());
169 state_ = BufferList::OK;
173 bool BufferList::close(Buffer * buf)
178 // Trace back why we need to use buf->getUser here.
179 // Perhaps slight rewrite is in order? (Lgb)
182 buf->getUser()->insetUnlock();
184 if (buf->paragraph && !buf->isLyxClean() && !quitting) {
186 buf->getUser()->owner()->prohibitInput();
188 if (buf->isUnnamed())
189 fname = OnlyFilename(buf->fileName());
191 fname = MakeDisplayPath(buf->fileName(), 50);
194 switch (Alert::askConfirmation(_("Changes in document:"),
196 _("Save document?"))) {
198 if (buf->isUnnamed())
199 reask = !WriteAs(current_view, buf);
200 else if (buf->save()) {
201 lastfiles->newFile(buf->fileName());
205 buf->getUser()->owner()->allowInput();
210 if (buf->isUnnamed()) {
211 removeAutosaveFile(buf->fileName());
217 buf->getUser()->owner()->allowInput();
222 buf->getUser()->owner()->allowInput();
230 vector<string> const BufferList::getFileNames() const
233 std::copy(bstore.begin(), bstore.end(),
234 lyx::back_inserter_fun(nvec, &Buffer::fileName));
239 Buffer * BufferList::first()
243 return bstore.front();
247 Buffer * BufferList::getBuffer(unsigned int choice)
249 if (choice >= bstore.size())
251 return bstore[choice];
255 int BufferList::unlockInset(UpdatableInset * inset)
259 BufferStorage::iterator it = bstore.begin();
260 BufferStorage::iterator end = bstore.end();
261 for (; it != end; ++it) {
263 && (*it)->getUser()->theLockingInset() == inset) {
264 (*it)->getUser()->insetUnlock();
272 void BufferList::updateIncludedTeXfiles(string const & mastertmpdir)
274 BufferStorage::iterator it = bstore.begin();
275 BufferStorage::iterator end = bstore.end();
276 for (; it != end; ++it) {
277 if (!(*it)->isDepClean(mastertmpdir)) {
278 string writefile = mastertmpdir;
280 writefile += (*it)->getLatexName();
281 (*it)->makeLaTeXFile(writefile, mastertmpdir,
283 (*it)->markDepClean(mastertmpdir);
289 void BufferList::emergencyWriteAll()
291 for_each(bstore.begin(), bstore.end(),
292 lyx::void_class_fun(*this, &BufferList::emergencyWrite));
296 void BufferList::emergencyWrite(Buffer * buf)
298 // assert(buf) // this is not good since C assert takes an int
299 // and a pointer is a long (JMarc)
300 assert(buf != 0); // use c assert to avoid a loop
303 // No need to save if the buffer has not changed.
304 if (buf->isLyxClean())
307 lyxerr << fmt(_("lyx: Attempting to save document %s as..."),
308 buf->isUnnamed() ? OnlyFilename(buf->fileName()).c_str()
309 : buf->fileName().c_str()) << endl;
311 // We try to save three places:
313 // 1) Same place as document. Unless it is an unnamed doc.
314 if (!buf->isUnnamed()) {
315 string s = buf->fileName();
317 lyxerr << " " << s << endl;
318 if (buf->writeFile(s, true)) {
320 lyxerr << _(" Save seems successful. Phew.") << endl;
323 lyxerr << _(" Save failed! Trying...") << endl;
327 // 2) In HOME directory.
328 string s = AddName(GetEnvPath("HOME"), buf->fileName());
330 lyxerr << " " << s << endl;
331 if (buf->writeFile(s, true)) {
333 lyxerr << _(" Save seems successful. Phew.") << endl;
337 lyxerr << _(" Save failed! Trying...") << endl;
339 // 3) In "/tmp" directory.
340 // MakeAbsPath to prepend the current
341 // drive letter on OS/2
342 s = AddName(MakeAbsPath("/tmp/"), buf->fileName());
344 lyxerr << " " << s << endl;
345 if (buf->writeFile(s, true)) {
347 lyxerr << _(" Save seems successful. Phew.") << endl;
350 lyxerr << _(" Save failed! Bummer. Document is lost.") << endl;
355 Buffer * BufferList::readFile(string const & s, bool ronly)
358 string e = OnlyPath(s);
360 // File information about normal file
361 FileInfo fileInfo2(s);
363 if (!fileInfo2.exist()) {
364 Alert::alert(_("Error!"), _("Cannot open file"),
369 Buffer * b = bstore.newBuffer(s, ronly);
371 // Check if emergency save file exists and is newer.
372 e += OnlyFilename(s) + ".emergency";
373 FileInfo fileInfoE(e);
375 bool use_emergency = false;
377 if (fileInfoE.exist() && fileInfo2.exist()) {
378 if (fileInfoE.getModificationTime()
379 > fileInfo2.getModificationTime()) {
380 if (Alert::askQuestion(_("An emergency save of this document exists!"),
381 MakeDisplayPath(s, 50),
382 _("Try to load that instead?"))) {
384 // the file is not saved if we load the
387 use_emergency = true;
389 // Here, we should delete the emergency save
395 if (!use_emergency) {
396 // Now check if autosave file is newer.
398 a += OnlyFilename(s);
400 FileInfo fileInfoA(a);
401 if (fileInfoA.exist() && fileInfo2.exist()) {
402 if (fileInfoA.getModificationTime()
403 > fileInfo2.getModificationTime()) {
404 if (Alert::askQuestion(_("Autosave file is newer."),
405 MakeDisplayPath(s, 50),
406 _("Load that one instead?"))) {
408 // the file is not saved if we load the
412 // Here, we should delete the autosave
418 // not sure if this is the correct place to begin LyXLex
421 if (b->readFile(lex))
430 bool BufferList::exists(string const & s) const
432 return find_if(bstore.begin(), bstore.end(),
433 lyx::compare_memfun(&Buffer::fileName, s))
438 bool BufferList::isLoaded(Buffer const * b) const
442 BufferStorage::const_iterator cit =
443 find(bstore.begin(), bstore.end(), b);
444 return cit != bstore.end();
448 Buffer * BufferList::getBuffer(string const & s)
450 BufferStorage::iterator it =
451 find_if(bstore.begin(), bstore.end(),
452 lyx::compare_memfun(&Buffer::fileName, s));
453 return it != bstore.end() ? (*it) : 0;
457 Buffer * BufferList::newFile(string const & name, string tname, bool isNamed)
460 Buffer * b = bstore.newBuffer(name);
462 // use defaults.lyx as a default template if it exists.
464 tname = LibFileSearch("templates", "defaults.lyx");
466 if (!tname.empty()) {
467 bool templateok = false;
471 if (b->readFile(lex)) {
476 Alert::alert(_("Error!"), _("Unable to open template"),
477 MakeDisplayPath(tname));
478 // no template, start with empty buffer
479 b->paragraph = new Paragraph;
480 b->paragraph->layout(textclasslist[b->params.textclass].defaultLayout());
482 } else { // start with empty buffer
483 b->paragraph = new Paragraph;
484 b->paragraph->layout(textclasslist[b->params.textclass].defaultLayout());
489 b->setFileName(name);
492 b->setReadonly(false);
498 Buffer * BufferList::loadLyXFile(string const & filename, bool tolastfiles)
500 // get absolute path of file and add ".lyx" to the filename if
502 string s = FileSearch(string(), filename, "lyx");
507 // file already open?
509 if (Alert::askQuestion(_("Document is already open:"),
510 MakeDisplayPath(s, 50),
511 _("Do you want to reload that document?"))) {
512 // Reload is accomplished by closing and then loading
513 if (!close(getBuffer(s))) {
516 // Fall through to new load. (Asger)
518 // Here, we pretend that we just loaded the
525 switch (IsFileWriteable(s)) {
532 b->lyxvc.file_found_hook(s);
534 break; //fine- it's r/w
536 // Here we probably should run
537 if (LyXVC::file_not_found_hook(s)) {
538 // Ask if the file should be checked out for
539 // viewing/editing, if so: load it.
540 if (Alert::askQuestion(_("Do you want to retrieve file under version control?"))) {
541 // How can we know _how_ to do the checkout?
542 // With the current VC support it has to be,
543 // a RCS file since CVS do not have special ,v files.
545 return loadLyXFile(filename, tolastfiles);
548 if (Alert::askQuestion(_("Cannot open specified file:"),
549 MakeDisplayPath(s, 50),
550 _("Create new document with this name?")))
552 // Find a free buffer
553 b = newFile(s, string(), true);
558 if (b && tolastfiles)
559 lastfiles->newFile(b->fileName());