]> git.lyx.org Git - lyx.git/blobdiff - src/bufferlist.C
Add GTK bibitem dialog
[lyx.git] / src / bufferlist.C
index e4497ba2343298619a505eef8b2dd88d9a08af2f..2ae3df66871419a7450d8f7a8e690c61e7c547fc 100644 (file)
@@ -1,84 +1,63 @@
-/* This file is part of
- * ====================================================== 
- * 
- *           LyX, The Document Word Processor
+/**
+ * \file bufferlist.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           Copyright 1995 Matthias Ettrich
- *           Copyright 1995-2000 The LyX Team. 
+ * \author Lars Gullik Bjønnes
  *
- *           This file is Copyright 1996-2000
- *           Lars Gullik Bjønnes
- *
- * ====================================================== 
+ * Full author contact details are available in file CREDITS.
  */
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include <config.h>
 
-#include <algorithm>
-
 #include "bufferlist.h"
-#include "lyx_main.h"
-#include "minibuffer.h"
-#include "support/FileInfo.h"
-#include "support/filetools.h"
-#include "lyx_gui_misc.h"
-#include "lastfiles.h"
+
+#include "author.h"
+#include "buffer.h"
+#include "bufferparams.h"
 #include "debug.h"
-#include "lyxrc.h"
-#include "lyxtext.h"
-#include "lyx_cb.h"
-#include "bufferview_funcs.h"
 #include "gettext.h"
-#include "LyXView.h"
-#include "vc-backend.h"
-#include "TextCache.h"
+#include "lastfiles.h"
+#include "lyx_cb.h"
+#include "lyx_main.h"
+#include "output_latex.h"
+#include "paragraph.h"
+#include "ParagraphList_fwd.h"
 
-extern BufferView * current_view; // called too many times in this file...
+#include "frontends/Alert.h"
 
-using std::vector;
-using std::find;
-using std::endl;
+#include "support/filetools.h"
+#include "support/package.h"
 
-//
-// Class BufferStorage
-//
+#include <boost/bind.hpp>
 
-void BufferStorage::release(Buffer * buf)
-{
-       Container::iterator it = find(container.begin(), container.end(), buf);
-       if (it != container.end()) {
-               // Make sure that we don't store a LyXText in
-               // the textcache that points to the buffer
-               // we just deleted.
-               Buffer * tmp = (*it);
-               container.erase(it);
-               textcache.removeAllWithBuffer(tmp);
-               delete tmp;
-       }
-}
+#include <algorithm>
+#include <functional>
 
+using lyx::support::AddName;
+using lyx::support::bformat;
+using lyx::support::MakeAbsPath;
+using lyx::support::MakeDisplayPath;
+using lyx::support::OnlyFilename;
+using lyx::support::removeAutosaveFile;
+using lyx::support::package;
+using lyx::support::prefixIs;
 
-Buffer * BufferStorage::newBuffer(string const & s, bool ronly)
-{
-       Buffer * tmpbuf = new Buffer(s, ronly);
-       tmpbuf->params.useClassDefaults();
-       lyxerr.debug() << "Assigning to buffer "
-                      << container.size() << endl;
-       container.push_back(tmpbuf);
-       return tmpbuf;
-}
+using boost::bind;
 
+using std::auto_ptr;
+using std::endl;
+using std::equal_to;
+using std::find;
+using std::find_if;
+using std::for_each;
+using std::string;
+using std::vector;
+using std::back_inserter;
+using std::transform;
 
-//
-// Class BufferList
-//
 
 BufferList::BufferList()
-       : state_(BufferList::OK)
 {}
 
 
@@ -88,147 +67,214 @@ bool BufferList::empty() const
 }
 
 
-extern void MenuWrite(Buffer *);
+bool BufferList::quitWriteBuffer(Buffer * buf)
+{
+       BOOST_ASSERT(buf);
+
+       string file;
+       if (buf->isUnnamed())
+               file = OnlyFilename(buf->fileName());
+       else
+               file = MakeDisplayPath(buf->fileName(), 30);
+
+       string const text =
+               bformat(_("The document %1$s has unsaved changes.\n\n"
+                         "Do you want to save the document or discard the changes?"), file);
+       int const ret = Alert::prompt(_("Save changed document?"),
+               text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
+
+       if (ret == 0) {
+               // FIXME: WriteAs can be asynch !
+               // but not right now...maybe we should remove that
+
+               bool succeeded;
+
+               if (buf->isUnnamed())
+                       succeeded = WriteAs(buf);
+               else
+                       succeeded = MenuWrite(buf);
+
+               if (!succeeded)
+                       return false;
+       } else if (ret == 1) {
+               // if we crash after this we could
+               // have no autosave file but I guess
+               // this is really inprobable (Jug)
+               if (buf->isUnnamed())
+                       removeAutosaveFile(buf->fileName());
+
+       } else {
+               return false;
+       }
+
+       return true;
+}
+
 
-bool BufferList::QwriteAll()
+bool BufferList::quitWriteAll()
 {
-        bool askMoreConfirmation = false;
-        string unsaved;
-       for(BufferStorage::iterator it = bstore.begin();
-           it != bstore.end(); ++it) {
-               if (!(*it)->isLyxClean()) {
-                       switch(AskConfirmation(_("Changes in document:"),
-                                              MakeDisplayPath((*it)->fileName(),
-                                                              50),
-                                              _("Save document?"))) {
-                       case 1: // Yes
-                               MenuWrite((*it));
-                               break;
-                       case 2: // No
-                               askMoreConfirmation = true;
-                               unsaved += MakeDisplayPath((*it)->fileName(),
-                                                          50);
-                               unsaved += "\n";
-                               break;
-                       case 3: // Cancel
-                               return false;
-                       }
-               }
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it != end; ++it) {
+               if ((*it)->isClean())
+                       continue;
+
+               if (!quitWriteBuffer(*it))
+                       return false;
        }
-        if (askMoreConfirmation &&
-            lyxrc.exit_confirmation &&
-            !AskQuestion(_("Some documents were not saved:"),
-                         unsaved, _("Exit anyway?"))) {
-                return false;
-        }
-
-        return true;
+
+       return true;
 }
 
 
-void BufferList::closeAll()
+void BufferList::release(Buffer * buf)
 {
-       state_ = BufferList::CLOSING;
-       // Since we are closing we can just as well delete all
-       // in the textcache this will also speed the closing/quiting up a bit.
-       textcache.clear();
-       
-       while (!bstore.empty()) {
-               close(bstore.front());
+       BOOST_ASSERT(buf);
+       BufferStorage::iterator const it =
+               find(bstore.begin(), bstore.end(), buf);
+       if (it != bstore.end()) {
+               Buffer * tmp = (*it);
+               BOOST_ASSERT(tmp);
+               bstore.erase(it);
+               delete tmp;
        }
-       state_ = BufferList::OK;
 }
 
 
-void BufferList::resize()
+Buffer * BufferList::newBuffer(string const & s, bool const ronly)
+{
+       auto_ptr<Buffer> tmpbuf(new Buffer(s, ronly));
+       tmpbuf->params().useClassDefaults();
+       lyxerr[Debug::INFO] << "Assigning to buffer "
+                           << bstore.size() << endl;
+       bstore.push_back(tmpbuf.get());
+       return tmpbuf.release();
+}
+
+
+void BufferList::closeAll()
 {
-       for(BufferStorage::iterator it = bstore.begin();
-           it != bstore.end(); ++it) {
-               (*it)->resize();
+       while (!bstore.empty()) {
+               close(bstore.front(), false);
        }
 }
 
 
-bool BufferList::close(Buffer * buf)
+bool BufferList::close(Buffer * buf, bool const ask)
 {
-        if (buf->getUser()) buf->getUser()->insetUnlock();
-       
-       if (buf->paragraph && !buf->isLyxClean() && !quitting) {
-               ProhibitInput(buf->getUser());
-                switch(AskConfirmation(_("Changes in document:"),
-                                      MakeDisplayPath(buf->fileName(), 50),
-                                      _("Save document?"))){
-               case 1: // Yes
-                       if (buf->save()) {
-                               lastfiles->newFile(buf->fileName());
-                       } else {
-                               AllowInput(buf->getUser());
+       BOOST_ASSERT(buf);
+
+       // FIXME: is the quitting check still necessary ?
+       if (!ask || buf->isClean() || quitting || buf->paragraphs().empty()) {
+               release(buf);
+               return true;
+       }
+
+       string fname;
+       if (buf->isUnnamed())
+               fname = OnlyFilename(buf->fileName());
+       else
+               fname = MakeDisplayPath(buf->fileName(), 30);
+
+       string const text =
+               bformat(_("The document %1$s has unsaved changes.\n\n"
+                         "Do you want to save the document or discard the changes?"), fname);
+       int const ret = Alert::prompt(_("Save changed document?"),
+               text, 0, 2, _("&Save"), _("&Discard"), _("&Cancel"));
+
+       if (ret == 0) {
+               if (buf->isUnnamed()) {
+                       if (!WriteAs(buf))
                                return false;
-                       }
-                        break;
-               case 3: // Cancel
-                        AllowInput(buf->getUser());
-                        return false;
-                }
-               AllowInput(buf->getUser());
+               } else if (buf->save()) {
+                       LyX::ref().lastfiles().newFile(buf->fileName());
+               } else {
+                       return false;
+               }
+       } else if (ret == 2) {
+               return false;
        }
 
-       bstore.release(buf);
+       if (buf->isUnnamed()) {
+               removeAutosaveFile(buf->fileName());
+       }
+
+       release(buf);
        return true;
 }
 
 
-vector<string> BufferList::getFileNames() const
+vector<string> const BufferList::getFileNames() const
 {
        vector<string> nvec;
-       for(BufferStorage::const_iterator cit = bstore.begin();
-           cit != bstore.end(); ++cit) {
-               nvec.push_back((*cit)->fileName());
-       }
+       transform(bstore.begin(), bstore.end(),
+                 back_inserter(nvec),
+                 boost::bind(&Buffer::fileName, _1));
        return nvec;
 }
 
 
 Buffer * BufferList::first()
 {
-       if (bstore.empty()) return 0;
+       if (bstore.empty())
+               return 0;
        return bstore.front();
 }
 
 
-Buffer * BufferList::getBuffer(int choice)
+Buffer * BufferList::getBuffer(unsigned int const choice)
 {
-       if (choice >= bstore.size()) return 0;
+       if (choice >= bstore.size())
+               return 0;
        return bstore[choice];
 }
 
 
-int BufferList::unlockInset(UpdatableInset * inset)
+Buffer * BufferList::next(Buffer const * buf) const
 {
-       if (!inset) return 1;
-       for(BufferStorage::iterator it = bstore.begin();
-           it != bstore.end(); ++it) {
-               if ((*it)->getUser()
-                   && (*it)->getUser()->the_locking_inset == inset) {
-                       (*it)->getUser()->insetUnlock();
-                       return 0;
-               }
-       }
-       return 1;
+       BOOST_ASSERT(buf);
+
+       if (bstore.empty())
+               return 0;
+       BufferStorage::const_iterator it = find(bstore.begin(),
+                                               bstore.end(), buf);
+       BOOST_ASSERT(it != bstore.end());
+       ++it;
+       if (it == bstore.end())
+               return bstore.front();
+       else
+               return *it;
 }
 
 
-void BufferList::updateIncludedTeXfiles(string const & mastertmpdir)
+Buffer * BufferList::previous(Buffer const * buf) const
 {
-       for(BufferStorage::iterator it = bstore.begin();
-           it != bstore.end(); ++it) {
+       BOOST_ASSERT(buf);
+
+       if (bstore.empty())
+               return 0;
+       BufferStorage::const_iterator it = find(bstore.begin(),
+                                               bstore.end(), buf);
+       BOOST_ASSERT(it != bstore.end());
+       if (it == bstore.begin())
+               return bstore.back();
+       else
+               return *(it - 1);
+}
+
+
+void BufferList::updateIncludedTeXfiles(string const & mastertmpdir,
+                                       OutputParams const & runparams)
+{
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it != end; ++it) {
                if (!(*it)->isDepClean(mastertmpdir)) {
                        string writefile = mastertmpdir;
                        writefile += '/';
-                       writefile += ChangeExtension((*it)->fileName(),
-                                                    ".tex", true);
+                       writefile += (*it)->getLatexName();
                        (*it)->makeLaTeXFile(writefile, mastertmpdir,
-                                            false, true);
+                                            runparams, false);
                        (*it)->markDepClean(mastertmpdir);
                }
        }
@@ -237,139 +283,81 @@ void BufferList::updateIncludedTeXfiles(string const & mastertmpdir)
 
 void BufferList::emergencyWriteAll()
 {
-       for (BufferStorage::iterator it = bstore.begin();
-            it != bstore.end(); ++it) {
-               if (!(*it)->isLyxClean()) {
-                       bool madeit = false;
-                       
-                       lyxerr <<_("lyx: Attempting to save"
-                                  " document ")
-                              << (*it)->fileName()
-                              << _(" as...") << endl;
-                       
-                       for (int i = 0; i < 3 && !madeit; ++i) {
-                               string s;
-                               
-                               // We try to save three places:
-                               // 1) Same place as document.
-                               // 2) In HOME directory.
-                               // 3) In "/tmp" directory.
-                               if (i == 0) {
-                                       s = (*it)->fileName();
-                               } else if (i == 1) {
-                                       s = AddName(GetEnvPath("HOME"),
-                                                   (*it)->fileName());
-                               } else {
-                                       // MakeAbsPath to prepend the current
-                                       // drive letter on OS/2
-                                       s = AddName(MakeAbsPath("/tmp/"),
-                                                   (*it)->fileName());
-                               }
-                               s += ".emergency";
-                               
-                               lyxerr << "  " << i + 1 << ") " << s << endl;
-                               
-                               if ((*it)->writeFile(s, true)) {
-                                       (*it)->markLyxClean();
-                                       lyxerr << _("  Save seems successful. "
-                                                   "Phew.") << endl;
-                                       madeit = true;
-                               } else if (i != 2) {
-                                       lyxerr << _("  Save failed! Trying...")
-                                              << endl;
-                               } else {
-                                       lyxerr << _("  Save failed! Bummer. "
-                                                   "Document is lost.")
-                                              << endl;
-                               }
-                       }
-               }
-       }
+       for_each(bstore.begin(), bstore.end(),
+                bind(&BufferList::emergencyWrite, this, _1));
 }
 
 
-Buffer * BufferList::readFile(string const & s, bool ronly)
+void BufferList::emergencyWrite(Buffer * buf)
 {
-       Buffer * b = bstore.newBuffer(s, ronly);
-
-       string ts = s;
-       string e = OnlyPath(s);
-       string a = e;
-       // File information about normal file
-       FileInfo fileInfo2(s);
-
-       // Check if emergency save file exists and is newer.
-       e += OnlyFilename(s) + ".emergency";
-       FileInfo fileInfoE(e);
-
-       bool use_emergency = false;
-
-       if (fileInfoE.exist() && fileInfo2.exist()) {
-               if (fileInfoE.getModificationTime()
-                   > fileInfo2.getModificationTime()) {
-                       if (AskQuestion(_("An emergency save of this document exists!"),
-                                       MakeDisplayPath(s, 50),
-                                       _("Try to load that instead?"))) {
-                               ts = e;
-                               // the file is not saved if we load the
-                               // emergency file.
-                               b->markDirty();
-                               use_emergency = true;
-                       } else {
-                               // Here, we should delete the emergency save
-                               ::unlink(e.c_str());
-                       }
+       // Use ::assert to avoid a loop, BOOST_ASSERT ends up calling ::assert
+       // compare with 0 to avoid pointer/interger comparison
+       assert(buf != 0);
+
+       // No need to save if the buffer has not changed.
+       if (buf->isClean())
+               return;
+
+       string const doc = buf->isUnnamed()
+               ? OnlyFilename(buf->fileName()) : buf->fileName();
+
+       lyxerr << bformat(_("LyX: Attempting to save document %1$s"), doc) << endl;
+
+       // We try to save three places:
+       // 1) Same place as document. Unless it is an unnamed doc.
+       if (!buf->isUnnamed()) {
+               string s = buf->fileName();
+               s += ".emergency";
+               lyxerr << "  " << s << endl;
+               if (buf->writeFile(s)) {
+                       buf->markClean();
+                       lyxerr << _("  Save seems successful. Phew.") << endl;
+                       return;
+               } else {
+                       lyxerr << _("  Save failed! Trying...") << endl;
                }
        }
 
-       if (!use_emergency) {
-               // Now check if autosave file is newer.
-               a += '#';
-               a += OnlyFilename(s);
-               a += '#';
-               FileInfo fileInfoA(a);
-               if (fileInfoA.exist() && fileInfo2.exist()) {
-                       if (fileInfoA.getModificationTime()
-                           > fileInfo2.getModificationTime()) {
-                               if (AskQuestion(_("Autosave file is newer."),
-                                               MakeDisplayPath(s, 50),
-                                               _("Load that one instead?"))) {
-                                       ts = a;
-                                       // the file is not saved if we load the
-                                       // autosave file.
-                                       b->markDirty();
-                               } else {
-                                       // Here, we should delete the autosave
-                                       ::unlink(a.c_str());
-                               }
-                       }
-               }
+       // 2) In HOME directory.
+       string s = AddName(package().home_dir(), buf->fileName());
+       s += ".emergency";
+       lyxerr << ' ' << s << endl;
+       if (buf->writeFile(s)) {
+               buf->markClean();
+               lyxerr << _("  Save seems successful. Phew.") << endl;
+               return;
        }
-       // not sure if this is the correct place to begin LyXLex
-       LyXLex lex(0, 0);
-       lex.setFile(ts);
-       if (b->readFile(lex))
-               return b;
-       else {
-               bstore.release(b);
-               return 0;
+
+       lyxerr << _("  Save failed! Trying...") << endl;
+
+       // 3) In "/tmp" directory.
+       // MakeAbsPath to prepend the current
+       // drive letter on OS/2
+       s = AddName(MakeAbsPath("/tmp/"), buf->fileName());
+       s += ".emergency";
+       lyxerr << ' ' << s << endl;
+       if (buf->writeFile(s)) {
+               buf->markClean();
+               lyxerr << _("  Save seems successful. Phew.") << endl;
+               return;
        }
+       lyxerr << _("  Save failed! Bummer. Document is lost.") << endl;
 }
 
 
 bool BufferList::exists(string const & s) const
 {
-       for (BufferStorage::const_iterator cit = bstore.begin();
-            cit != bstore.end(); ++cit) {
-               if ((*cit)->fileName() == s)
-                       return true;
-       }
-       return false;
+       return find_if(bstore.begin(), bstore.end(),
+                      bind(equal_to<string>(),
+                           bind(&Buffer::fileName, _1),
+                           s))
+               != bstore.end();
 }
 
 
 bool BufferList::isLoaded(Buffer const * b) const
 {
+       BOOST_ASSERT(b);
        BufferStorage::const_iterator cit =
                find(bstore.begin(), bstore.end(), b);
        return cit != bstore.end();
@@ -378,114 +366,32 @@ bool BufferList::isLoaded(Buffer const * b) const
 
 Buffer * BufferList::getBuffer(string const & s)
 {
-       for(BufferStorage::iterator it = bstore.begin();
-           it != bstore.end(); ++it) {
-               if ((*it)->fileName() == s)
-                       return (*it);
-       }
-       return 0;
+       BufferStorage::iterator it =
+               find_if(bstore.begin(), bstore.end(),
+                       bind(equal_to<string>(),
+                            bind(&Buffer::fileName, _1),
+                            s));
+
+       return it != bstore.end() ? (*it) : 0;
 }
 
 
-Buffer * BufferList::newFile(string const & name, string tname)
+Buffer * BufferList::getBufferFromTmp(string const & s)
 {
-       // get a free buffer
-       Buffer * b = bstore.newBuffer(name);
-
-       // use defaults.lyx as a default template if it exists.
-       if (tname.empty()) {
-               tname = LibFileSearch("templates", "defaults.lyx");
-       }
-       if (!tname.empty() && IsLyXFilename(tname)) {
-               bool templateok = false;
-               LyXLex lex(0, 0);
-               lex.setFile(tname);
-               if (lex.IsOK()) {
-                       if (b->readFile(lex)) {
-                               templateok = true;
-                       }
-               }
-               if (!templateok) {
-                       WriteAlert(_("Error!"), _("Unable to open template"), 
-                                  MakeDisplayPath(tname));
-                       // no template, start with empty buffer
-                       b->paragraph = new LyXParagraph;
-               }
-       }
-       else {  // start with empty buffer
-               b->paragraph = new LyXParagraph;
-       }
-
-       b->markDirty();
-       b->setReadonly(false);
-       
-       return b;
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it < end; ++it)
+               if (prefixIs(s, (*it)->temppath()))
+                       return *it;
+       return 0;
 }
 
 
-Buffer * BufferList::loadLyXFile(string const & filename, bool tolastfiles)
+void BufferList::setCurrentAuthor(string const & name, string const & email)
 {
-       // make sure our path is absolute
-       string s = MakeAbsPath(filename);
-
-       // file already open?
-       if (exists(s)) {
-               if (AskQuestion(_("Document is already open:"), 
-                               MakeDisplayPath(s, 50),
-                               _("Do you want to reload that document?"))) {
-                       // Reload is accomplished by closing and then loading
-                       if (!close(getBuffer(s))) {
-                               return 0;
-                       }
-                       // Fall through to new load. (Asger)
-               } else {
-                       // Here, we pretend that we just loaded the 
-                       // open document
-                       return getBuffer(s);
-               }
+       BufferStorage::iterator it = bstore.begin();
+       BufferStorage::iterator end = bstore.end();
+       for (; it != end; ++it) {
+               (*it)->params().authors().record(0, Author(name, email));
        }
-       Buffer * b = 0;
-       bool ro = false;
-       switch (IsFileWriteable(s)) {
-       case 0:
-#if 0
-               current_view->owner()->getMiniBuffer()->
-                       Set(_("File `") + MakeDisplayPath(s, 50) +
-                           _("' is read-only."));
-#endif
-               ro = true;
-               // Fall through
-       case 1:
-               b = readFile(s, ro);
-               if (b) {
-                       b->lyxvc.file_found_hook(s);
-               }
-               break; //fine- it's r/w
-       case -1:
-               // Here we probably should run
-               if (LyXVC::file_not_found_hook(s)) {
-                       // Ask if the file should be checked out for
-                       // viewing/editing, if so: load it.
-                       if (AskQuestion(_("Do you want to retrieve file under version control?"))) {
-                               // How can we know _how_ to do the checkout?
-                               // With the current VC support it has to be,
-                               // a RCS file since CVS do not have special ,v files.
-                               RCS::retrive(s);
-                               return loadLyXFile(filename, tolastfiles);
-                       }
-               }
-               if (AskQuestion(_("Cannot open specified file:"), 
-                               MakeDisplayPath(s, 50),
-                               _("Create new document with this name?")))
-                       {
-                               // Find a free buffer
-                               b = newFile(s, string());
-                       }
-               break;
-       }
-
-       if (b && tolastfiles)
-               lastfiles->newFile(b->fileName());
-
-       return b;
 }