src/frontends/controllers/helper_funcs.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2001 The LyX Team.
   8  *
   9  * ======================================================
  10  *
  11  * \file helper_funcs.C
  12  * \author Angus Leeming <a.leeming@ic.ac.uk>
  13  */
  14
  15 #include <vector>
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include <config.h>
  22 #include "LString.h"
  23 #include "helper_funcs.h"
  24
  25 #include "frontends/FileDialog.h"
  26 #include "support/filetools.h" // OnlyPath, OnlyFilename
  27 #include "gettext.h" // _()
  28 #include "lyx_gui_misc.h" // WriteAlert
  29
  30 using std::pair;
  31 using std::vector;
  32 using std::make_pair;
  33
  34
  35 string const getStringFromVector(vector<string> const & vec,
  36                                  string const & delim)
  37 {
  38         string str;
  39         int i = 0;
  40         for (vector<string>::const_iterator it = vec.begin();
  41              it != vec.end(); ++it) {
  42                 if (it->empty()) continue;
  43
  44                 if (i++ > 0) str += delim;
  45                 str += *it;
  46         }
  47         return str;
  48 }
  49
  50 vector<string> const getVectorFromString(string const & str,
  51                                          string const & delim)
  52 {
  53         vector<string> vec;
  54         string keys(str);
  55
  56         for(;;) {
  57                 string::size_type const idx = keys.find(delim);
  58                 if (idx == string::npos) {
  59                         vec.push_back(keys);
  60                         break;
  61                 }
  62
  63                 string const key = keys.substr(0, idx);
  64                 if (!key.empty())
  65                         vec.push_back(key);
  66
  67                 string::size_type const start = idx + delim.size();
  68                 keys = keys.substr(start);
  69         }
  70
  71         return vec;
  72 }
  73
  74 string const browseFile(LyXView * lv, string const & filename,
  75                         string const & title,
  76                         string const & pattern,
  77                         pair<string,string> const & dir1,
  78                         pair<string,string> const & dir2)
  79 {
  80         string lastPath = ".";
  81         if (!filename.empty()) lastPath = OnlyPath(filename);
  82
  83         FileDialog fileDlg(lv, title, LFUN_SELECT_FILE_SYNC, dir1, dir2);
  84
  85         FileDialog::Result result;
  86
  87         while (1) {
  88                 result = fileDlg.Select(lastPath, pattern, OnlyFilename(filename));
  89
  90                 if (result.second.empty())
  91                         return result.second;
  92
  93                 lastPath = OnlyPath(result.second);
  94
  95                 if (result.second.find_first_of("#~$% ") == string::npos)
  96                         break;
  97
  98                 WriteAlert(_("Filename can't contain any "
  99                         "of these characters:"),
 100                         _("space, '#', '~', '$' or '%'."));
 101         }
 102
 103         return result.second;
 104 }
 105
 106