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 Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11
  12 #include <config.h>
  13
  14 #include "helper_funcs.h"
  15
  16 #include "gettext.h"
  17
  18 #include "frontends/Alert.h"
  19 #include "frontends/FileDialog.h"
  20
  21 #include "support/filetools.h" // OnlyPath, OnlyFilename
  22
  23 using lyx::support::MakeAbsPath;
  24 using lyx::support::MakeRelPath;
  25 using lyx::support::OnlyFilename;
  26 using lyx::support::OnlyPath;
  27 using lyx::support::prefixIs;
  28
  29 using std::pair;
  30 using std::vector;
  31 using std::string;
  32
  33
  34 string const browseFile(string const & filename,
  35                         string const & title,
  36                         string const & pattern,
  37                         bool save,
  38                         pair<string,string> const & dir1,
  39                         pair<string,string> const & dir2)
  40 {
  41         string lastPath(".");
  42         if (!filename.empty())
  43                 lastPath = OnlyPath(filename);
  44
  45         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  46
  47         FileDialog::Result result;
  48
  49         while (true) {
  50                 if (save)
  51                         result = fileDlg.save(lastPath, pattern,
  52                                 OnlyFilename(filename));
  53                 else
  54                         result = fileDlg.open(lastPath, pattern,
  55                                 OnlyFilename(filename));
  56
  57                 if (result.second.empty())
  58                         return result.second;
  59
  60                 lastPath = OnlyPath(result.second);
  61
  62                 if (result.second.find_first_of("#~$% ") == string::npos)
  63                         break;
  64
  65                 Alert::error(_("Invalid filename"),
  66                         _("Filename can't contain any "
  67                         "of these characters:\n"
  68                         "space, '#', '~', '$' or '%'."));
  69         }
  70
  71         return result.second;
  72 }
  73
  74
  75 string const browseRelFile(string const & filename,
  76                         string const & refpath,
  77                         string const & title,
  78                         string const & pattern,
  79                         bool save,
  80                         pair<string,string> const & dir1,
  81                         pair<string,string> const & dir2)
  82 {
  83         string const fname = MakeAbsPath(filename, refpath);
  84
  85         string const outname = browseFile(fname, title, pattern, save,
  86                                           dir1, dir2);
  87         string const reloutname = MakeRelPath(outname, refpath);
  88         if (prefixIs(reloutname, "../"))
  89                 return outname;
  90         else
  91                 return reloutname;
  92 }
  93
  94
  95 string const browseDir(string const & pathname,
  96                         string const & title,
  97                         pair<string,string> const & dir1,
  98                         pair<string,string> const & dir2)
  99 {
 100         string lastPath(".");
 101         if (!pathname.empty())
 102                 lastPath = OnlyPath(pathname);
 103
 104         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
 105
 106         FileDialog::Result result;
 107
 108         while (true) {
 109                 result = fileDlg.opendir(lastPath,
 110                                 OnlyFilename(pathname));
 111
 112                 if (result.second.empty())
 113                         return result.second;
 114
 115                 lastPath = OnlyPath(result.second);
 116
 117                 if (result.second.find_first_of("#~$% ") == string::npos)
 118                         break;
 119
 120                 Alert::error(_("Invalid filename"),
 121                         _("Filename can't contain any "
 122                         "of these characters:\n"
 123                         "space, '#', '~', '$' or '%'."));
 124         }
 125
 126         return result.second;
 127 }
 128
 129
 130 // sorry this is just a temporary hack we should include vspace.h! (Jug)
 131 extern const char * stringFromUnit(int);
 132
 133 vector<string> const getLatexUnits()
 134 {
 135         vector<string> units;
 136         char const * str;
 137         for (int i = 0; (str = stringFromUnit(i)); ++i)
 138             units.push_back(str);
 139
 140         return units;
 141 }