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         int i = 0;
  39         for (vector<string>::const_iterator it = vec.begin();
  40              it != vec.end(); ++it) {
  41                 if (it->empty()) continue;
  42
  43                 if (i++ > 0) str += delim;
  44                 str += *it;
  45         }
  46         return str;
  47 }
  48
  49 vector<string> const getVectorFromString(string const & str,
  50                                          string const & delim)
  51 {
  52         vector<string> vec;
  53         if (str.empty())
  54                 return vec;
  55
  56         string keys(str);
  57
  58         for(;;) {
  59                 string::size_type const idx = keys.find(delim);
  60                 if (idx == string::npos) {
  61                         vec.push_back(keys);
  62                         break;
  63                 }
  64
  65                 string const key = keys.substr(0, idx);
  66                 if (!key.empty())
  67                         vec.push_back(key);
  68
  69                 string::size_type const start = idx + delim.size();
  70                 keys = keys.substr(start);
  71         }
  72
  73         return vec;
  74 }
  75
  76 string const browseFile(LyXView * lv, string const & filename,
  77                         string const & title,
  78                         string const & pattern,
  79                         pair<string,string> const & dir1,
  80                         pair<string,string> const & dir2)
  81 {
  82         string lastPath = ".";
  83         if (!filename.empty()) lastPath = OnlyPath(filename);
  84
  85         FileDialog fileDlg(lv, title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  86
  87         FileDialog::Result result;
  88
  89         while (1) {
  90                 result = fileDlg.Select(lastPath, pattern, OnlyFilename(filename));
  91
  92                 if (result.second.empty())
  93                         return result.second;
  94
  95                 lastPath = OnlyPath(result.second);
  96
  97                 if (result.second.find_first_of("#~$% ") == string::npos)
  98                         break;
  99
 100                 WriteAlert(_("Filename can't contain any "
 101                         "of these characters:"),
 102                         _("space, '#', '~', '$' or '%'."));
 103         }
 104
 105         return result.second;
 106 }
 107
 108