src/callback.cpp

   1 /**
   2  * \file callback.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Angus Leeming
   8  * \author John Levon
   9  * \author André Pönitz
  10  * \author Jürgen Vigna
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "callback.h"
  18
  19 #include "Buffer.h"
  20 #include "BufferList.h"
  21 #include "BufferView.h"
  22 #include "buffer_funcs.h"
  23 #include "Cursor.h"
  24 #include "CutAndPaste.h"
  25 #include "debug.h"
  26 #include "gettext.h"
  27 #include "Session.h"
  28 #include "LaTeXFeatures.h"
  29 #include "LyX.h"
  30 #include "Layout.h"
  31 #include "LyXRC.h"
  32 #include "Text.h"
  33 #include "Undo.h"
  34
  35 #include "frontends/alert.h"
  36 #include "frontends/Application.h"
  37 #include "frontends/FileDialog.h"
  38 #include "frontends/LyXView.h"
  39
  40 #include "support/FileFilterList.h"
  41 #include "support/filetools.h"
  42 #include "support/Forkedcall.h"
  43 #include "support/fs_extras.h"
  44 #include "support/lyxlib.h"
  45 #include "support/Package.h"
  46 #include "support/Path.h"
  47 #include "support/Systemcall.h"
  48
  49 #if !defined (HAVE_FORK)
  50 # define fork() -1
  51 #endif
  52
  53 #include <boost/shared_ptr.hpp>
  54 #include <boost/filesystem/operations.hpp>
  55
  56 #include <cerrno>
  57 #include <fstream>
  58
  59 using std::back_inserter;
  60 using std::copy;
  61 using std::endl;
  62 using std::make_pair;
  63 using std::string;
  64 using std::ifstream;
  65 using std::ios;
  66 using std::istream_iterator;
  67
  68 using boost::shared_ptr;
  69 namespace fs = boost::filesystem;
  70
  71 namespace lyx {
  72
  73 using support::bformat;
  74 using support::FileFilterList;
  75 using support::FileName;
  76 using support::ForkedProcess;
  77 using support::isLyXFilename;
  78 using support::libFileSearch;
  79 using support::makeAbsPath;
  80 using support::makeDisplayPath;
  81 using support::onlyFilename;
  82 using support::onlyPath;
  83 using support::package;
  84 using support::removeAutosaveFile;
  85 using support::rename;
  86 using support::split;
  87 using support::Systemcall;
  88 using support::tempName;
  89 using support::unlink;
  90 using frontend::LyXView;
  91
  92 namespace Alert = frontend::Alert;
  93
  94 //
  95 // Copyright CHT Software Service GmbH
  96 // Uwe C. Schroeder
  97 //
  98 // create new file with template
  99 // SERVERCMD !
 100 //
 101 void newFile(LyXView & lv, string const & filename)
 102 {
 103         // Split argument by :
 104         string name;
 105         string tmpname = split(filename, name, ':');
 106         LYXERR(Debug::INFO) << "Arg is " << filename
 107                             << "\nName is " << name
 108                             << "\nTemplate is " << tmpname << endl;
 109
 110         Buffer * const b = newFile(name, tmpname);
 111         if (b)
 112                 lv.setBuffer(b);
 113 }
 114
 115
 116 // Insert plain text file (if filename is empty, prompt for one)
 117 void insertPlaintextFile(BufferView * bv, string const & f, bool asParagraph)
 118 {
 119         docstring const tmpstr =
 120           getContentsOfPlaintextFile(bv, f, asParagraph);
 121
 122         if (tmpstr.empty())
 123                 return;
 124
 125         Cursor & cur = bv->cursor();
 126         cap::replaceSelection(cur);
 127         recordUndo(cur);
 128         if (asParagraph)
 129                 cur.innerText()->insertStringAsParagraphs(cur, tmpstr);
 130         else
 131                 cur.innerText()->insertStringAsLines(cur, tmpstr);
 132 }
 133
 134
 135 docstring const getContentsOfPlaintextFile(BufferView * bv, string const & f,
 136                                            bool asParagraph)
 137 {
 138         FileName fname(f);
 139
 140         if (fname.empty()) {
 141                 FileDialog fileDlg(_("Select file to insert"),
 142                                    ( (asParagraph)
 143                                      ? LFUN_FILE_INSERT_PLAINTEXT_PARA
 144                                      : LFUN_FILE_INSERT_PLAINTEXT) );
 145
 146                 FileDialog::Result result =
 147                         fileDlg.open(from_utf8(bv->buffer().filePath()),
 148                                      FileFilterList(), docstring());
 149
 150                 if (result.first == FileDialog::Later)
 151                         return docstring();
 152
 153                 fname = makeAbsPath(to_utf8(result.second));
 154
 155                 if (fname.empty())
 156                         return docstring();
 157         }
 158
 159         if (!fs::is_readable(fname.toFilesystemEncoding())) {
 160                 docstring const error = from_ascii(strerror(errno));
 161                 docstring const file = makeDisplayPath(fname.absFilename(), 50);
 162                 docstring const text =
 163                   bformat(_("Could not read the specified document\n"
 164                             "%1$s\ndue to the error: %2$s"), file, error);
 165                 Alert::error(_("Could not read file"), text);
 166                 return docstring();
 167         }
 168
 169         ifstream ifs(fname.toFilesystemEncoding().c_str());
 170         if (!ifs) {
 171                 docstring const error = from_ascii(strerror(errno));
 172                 docstring const file = makeDisplayPath(fname.absFilename(), 50);
 173                 docstring const text =
 174                   bformat(_("Could not open the specified document\n"
 175                             "%1$s\ndue to the error: %2$s"), file, error);
 176                 Alert::error(_("Could not open file"), text);
 177                 return docstring();
 178         }
 179
 180         ifs.unsetf(ios::skipws);
 181         istream_iterator<char> ii(ifs);
 182         istream_iterator<char> end;
 183 #if !defined(USE_INCLUDED_STRING) && !defined(STD_STRING_IS_GOOD)
 184         // We use this until the compilers get better...
 185         std::vector<char> tmp;
 186         copy(ii, end, back_inserter(tmp));
 187         string const tmpstr(tmp.begin(), tmp.end());
 188 #else
 189         // This is what we want to use and what we will use once the
 190         // compilers get good enough.
 191         //string tmpstr(ii, end); // yet a reason for using std::string
 192         // alternate approach to get the file into a string:
 193         string tmpstr;
 194         copy(ii, end, back_inserter(tmpstr));
 195 #endif
 196
 197         // FIXME UNICODE: We don't know the encoding of the file
 198         docstring file_content = from_utf8(tmpstr);
 199         if (file_content.empty()) {
 200                 Alert::error(_("Reading not UTF-8 encoded file"),
 201                              _("The file is not UTF-8 encoded.\n"
 202                                "It will be read as local 8Bit-encoded.\n"
 203                                "If this does not give the correct result\n"
 204                                "then please change the encoding of the file\n"
 205                                "to UTF-8 with a program other than LyX.\n"));
 206                 file_content = from_local8bit(tmpstr);
 207         }
 208
 209         return normalize_c(file_content);
 210 }
 211
 212
 213 // This function runs "configure" and then rereads lyx.defaults to
 214 // reconfigure the automatic settings.
 215 void reconfigure(LyXView & lv, string const & option)
 216 {
 217         // emit message signal.
 218         lv.message(_("Running configure..."));
 219
 220         // Run configure in user lyx directory
 221         support::Path p(package().user_support());
 222         string configure_command = package().configure_command();
 223         configure_command += option;
 224         Systemcall one;
 225         one.startscript(Systemcall::Wait, configure_command);
 226         p.pop();
 227         // emit message signal.
 228         lv.message(_("Reloading configuration..."));
 229         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 230         // Re-read packages.lst
 231         LaTeXFeatures::getAvailable();
 232
 233         Alert::information(_("System reconfigured"),
 234                            _("The system has been reconfigured.\n"
 235                              "You need to restart LyX to make use of any\n"
 236                              "updated document class specifications."));
 237 }
 238
 239
 240 } // namespace lyx