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 #include "support/globbing.h"
  23
  24 using lyx::support::FileFilterList;
  25 using lyx::support::MakeAbsPath;
  26 using lyx::support::MakeRelPath;
  27 using lyx::support::OnlyFilename;
  28 using lyx::support::OnlyPath;
  29 using lyx::support::prefixIs;
  30
  31 using std::pair;
  32 using std::vector;
  33 using std::string;
  34
  35
  36 string const browseFile(string const & filename,
  37                         string const & title,
  38                         FileFilterList const & filters,
  39                         bool save,
  40                         pair<string,string> const & dir1,
  41                         pair<string,string> const & dir2)
  42 {
  43         string lastPath(".");
  44         if (!filename.empty())
  45                 lastPath = OnlyPath(filename);
  46
  47         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  48
  49         FileDialog::Result result;
  50
  51         while (true) {
  52                 if (save)
  53                         result = fileDlg.save(lastPath, filters,
  54                                 OnlyFilename(filename));
  55                 else
  56                         result = fileDlg.open(lastPath, filters,
  57                                 OnlyFilename(filename));
  58
  59                 if (result.second.empty())
  60                         return result.second;
  61
  62                 lastPath = OnlyPath(result.second);
  63
  64                 if (result.second.find_first_of("#~$% ") == string::npos)
  65                         break;
  66
  67                 Alert::error(_("Invalid filename"),
  68                         _("Filename can't contain any "
  69                         "of these characters:\n"
  70                         "space, '#', '~', '$' or '%'."));
  71         }
  72
  73         return result.second;
  74 }
  75
  76
  77 string const browseRelFile(string const & filename,
  78                            string const & refpath,
  79                            string const & title,
  80                            FileFilterList const & filters,
  81                            bool save,
  82                            pair<string,string> const & dir1,
  83                            pair<string,string> const & dir2)
  84 {
  85         string const fname = MakeAbsPath(filename, refpath);
  86
  87         string const outname = browseFile(fname, title, filters, save,
  88                                           dir1, dir2);
  89         string const reloutname = MakeRelPath(outname, refpath);
  90         if (prefixIs(reloutname, "../"))
  91                 return outname;
  92         else
  93                 return reloutname;
  94 }
  95
  96
  97 string const browseDir(string const & pathname,
  98                         string const & title,
  99                         pair<string,string> const & dir1,
 100                         pair<string,string> const & dir2)
 101 {
 102         string lastPath(".");
 103         if (!pathname.empty())
 104                 lastPath = OnlyPath(pathname);
 105
 106         FileDialog fileDlg(title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
 107
 108         FileDialog::Result result;
 109
 110         while (true) {
 111                 result = fileDlg.opendir(lastPath,
 112                                 OnlyFilename(pathname));
 113
 114                 if (result.second.empty())
 115                         return result.second;
 116
 117                 lastPath = OnlyPath(result.second);
 118
 119                 if (result.second.find_first_of("#~$% ") == string::npos)
 120                         break;
 121
 122                 Alert::error(_("Invalid filename"),
 123                         _("Filename can't contain any "
 124                         "of these characters:\n"
 125                         "space, '#', '~', '$' or '%'."));
 126         }
 127
 128         return result.second;
 129 }
 130
 131
 132 // sorry this is just a temporary hack we should include vspace.h! (Jug)
 133 extern const char * stringFromUnit(int);
 134
 135 vector<string> const getLatexUnits()
 136 {
 137         vector<string> units;
 138         char const * str;
 139         for (int i = 0; (str = stringFromUnit(i)); ++i)
 140             units.push_back(str);
 141
 142         return units;
 143 }