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