src/frontends/controllers/helper_funcs.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 2001 The LyX Team.
   7  *
   8  * ======================================================
   9  *
  10  * \file helper_funcs.C
  11  * \author Angus Leeming <a.leeming@ic.ac.uk>
  12  */
  13
  14 #include <vector>
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include <config.h>
  21 #include "LString.h"
  22 #include "helper_funcs.h"
  23
  24 #include "frontends/FileDialog.h"
  25 #include "support/filetools.h" // OnlyPath, OnlyFilename
  26 #include "gettext.h" // _()
  27 #include "lyx_gui_misc.h" // WriteAlert
  28
  29 using std::pair;
  30 using std::vector;
  31 using std::make_pair;
  32
  33
  34 string const getStringFromVector(vector<string> const & vec,
  35                                  string const & delim)
  36 {
  37         string str;
  38         for (vector<string>::size_type i=0; i<vec.size(); ++i) {
  39                 if (i > 0) str += delim;
  40                 str += vec[i];
  41         }
  42         return str;
  43 }
  44
  45 vector<string> const getVectorFromString(string const & str,
  46                                          string const & delim)
  47 {
  48         vector<string> vec;
  49         string keys(str);
  50
  51         for(;;) {
  52                 string::size_type const idx = keys.find(delim);
  53                 if (idx == string::npos) break;
  54
  55                 vec.push_back(keys.substr(0, idx));
  56
  57                 string::size_type const start = idx + delim.size();
  58                 keys = keys.substr(start);
  59         }
  60
  61         if (vec.empty()) // unable to separate
  62                 vec.push_back(str);
  63
  64         return vec;
  65 }
  66
  67 string const browseFile(LyXView * lv, string const & filename,
  68                         string const & title,
  69                         string const & pattern,
  70                         pair<string,string> const & dir1,
  71                         pair<string,string> const & dir2)
  72 {
  73         string lastPath = ".";
  74         if (!filename.empty()) lastPath = OnlyPath(filename);
  75
  76         FileDialog fileDlg(lv, title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  77
  78         FileDialog::Result result;
  79
  80         while (1) {
  81                 result = fileDlg.Select(lastPath, pattern, OnlyFilename(filename));
  82
  83                 if (result.second.empty())
  84                         return result.second;
  85
  86                 lastPath = OnlyPath(result.second);
  87
  88                 if (result.second.find_first_of("#~$% ") == string::npos)
  89                         break;
  90
  91                 WriteAlert(_("Filename can't contain any "
  92                         "of these characters:"),
  93                         _("space, '#', '~', '$' or '%'."));
  94         }
  95
  96         return result.second;
  97 }
  98
  99