src/frontends/controllers/helper_funcs.C

   1 /**
   2  * \file helper_funcs.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jean-Marc Lasgouttes
   7  * \author Angus Leeming
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12
  13 #include <config.h>
  14
  15 #include "helper_funcs.h"
  16
  17 #include "gettext.h"
  18
  19 #include "frontends/Alert.h"
  20 #include "frontends/FileDialog.h"
  21
  22 #include "support/filetools.h"
  23 #include "support/path_defines.h"
  24
  25 using std::pair;
  26 using std::vector;
  27 using std::string;
  28
  29 // sorry this is just a temporary hack we should include vspace.h! (Jug)
  30 extern const char * stringFromUnit(int);
  31
  32 namespace lyx {
  33
  34 using support::AddName;
  35 using support::ChangeExtension;
  36 using support::FileFilterList;
  37 using support::GetExtension;
  38 using support::LibFileSearch;
  39 using support::MakeAbsPath;
  40 using support::MakeRelPath;
  41 using support::OnlyFilename;
  42 using support::OnlyPath;
  43 using support::prefixIs;
  44 using support::system_lyxdir;
  45 using support::user_lyxdir;
  46
  47 namespace frontend {
  48
  49
  50 string const browseFile(string const & filename,
  51                         string const & title,
  52                         FileFilterList const & filters,
  53                         bool save,
  54                         pair<string,string> const & dir1,
  55                         pair<string,string> const & dir2)
  56 {
  57         string lastPath(".");
  58         if (!filename.empty())
  59                 lastPath = OnlyPath(filename);
  60
  61         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  62
  63         FileDialog::Result result;
  64
  65         while (true) {
  66                 if (save)
  67                         result = fileDlg.save(lastPath, filters,
  68                                 OnlyFilename(filename));
  69                 else
  70                         result = fileDlg.open(lastPath, filters,
  71                                 OnlyFilename(filename));
  72
  73                 if (result.second.empty())
  74                         return result.second;
  75
  76                 lastPath = OnlyPath(result.second);
  77
  78                 if (result.second.find_first_of("#~$% ") == string::npos)
  79                         break;
  80
  81                 Alert::error(_("Invalid filename"),
  82                         _("Filename can't contain any "
  83                         "of these characters:\n"
  84                         "space, '#', '~', '$' or '%'."));
  85         }
  86
  87         return result.second;
  88 }
  89
  90
  91 string const browseRelFile(string const & filename,
  92                            string const & refpath,
  93                            string const & title,
  94                            FileFilterList const & filters,
  95                            bool save,
  96                            pair<string,string> const & dir1,
  97                            pair<string,string> const & dir2)
  98 {
  99         string const fname = MakeAbsPath(filename, refpath);
 100
 101         string const outname = browseFile(fname, title, filters, save,
 102                                           dir1, dir2);
 103         string const reloutname = MakeRelPath(outname, refpath);
 104         if (prefixIs(reloutname, "../"))
 105                 return outname;
 106         else
 107                 return reloutname;
 108 }
 109
 110
 111
 112 string const browseLibFile(string const & dir,
 113                            string const & name,
 114                            string const & ext,
 115                            string const & title,
 116                            FileFilterList const & filters)
 117 {
 118         pair<string,string> const dir1(_("System files|#S#s"),
 119                                        AddName(system_lyxdir(), dir));
 120
 121         pair<string,string> const dir2(_("User files|#U#u"),
 122                                        AddName(user_lyxdir(), dir));
 123
 124         string const result = browseFile(LibFileSearch(dir, name, ext), title,
 125                                    filters, false, dir1, dir2);
 126
 127         // remove the extension if it is the default one
 128         string noextresult;
 129         if (GetExtension(result) == ext)
 130                 noextresult = ChangeExtension(result, string());
 131         else
 132                 noextresult = result;
 133
 134         // remove the directory, if it is the default one
 135         string const file = OnlyFilename(noextresult);
 136         if (LibFileSearch(dir, file, ext) == result)
 137                 return file;
 138         else
 139                 return noextresult;
 140 }
 141
 142
 143 string const browseDir(string const & pathname,
 144                         string const & title,
 145                         pair<string,string> const & dir1,
 146                         pair<string,string> const & dir2)
 147 {
 148         string lastPath(".");
 149         if (!pathname.empty())
 150                 lastPath = OnlyPath(pathname);
 151
 152         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
 153
 154         FileDialog::Result result;
 155
 156         while (true) {
 157                 result = fileDlg.opendir(lastPath,
 158                                 OnlyFilename(pathname));
 159
 160                 if (result.second.empty())
 161                         return result.second;
 162
 163                 lastPath = OnlyPath(result.second);
 164
 165                 if (result.second.find_first_of("#~$% ") == string::npos)
 166                         break;
 167
 168                 Alert::error(_("Invalid filename"),
 169                         _("Filename can't contain any "
 170                         "of these characters:\n"
 171                         "space, '#', '~', '$' or '%'."));
 172         }
 173
 174         return result.second;
 175 }
 176
 177
 178 vector<string> const getLatexUnits()
 179 {
 180         vector<string> units;
 181         char const * str;
 182         for (int i = 0; (str = stringFromUnit(i)); ++i)
 183             units.push_back(str);
 184
 185         return units;
 186 }
 187
 188 } // namespace frontend
 189 } // namespace lyx