source/libmarklin/layout.cpp

   1 /* $Id$
   2
   3 This file is part of the MSP Märklin suite
   4 Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
   5 Distributed under the GPL
   6 */
   7
   8 #include <msp/core/refptr.h>
   9 #include <msp/datafile/parser.h>
  10 #include <msp/datafile/writer.h>
  11 #include "catalogue.h"
  12 #include "layout.h"
  13 #include "tracktype.h"
  14
  15 using namespace std;
  16 using namespace Msp;
  17
  18 namespace Marklin {
  19
  20 Layout::Layout(const Catalogue &c):
  21         catalogue(c)
  22 { }
  23
  24 Layout::~Layout()
  25 {
  26         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  27                 delete *i;
  28 }
  29
  30 void Layout::add_track(Track &t)
  31 {
  32         if(tracks.insert(&t).second)
  33                 signal_track_added.emit(t);
  34 }
  35
  36 void Layout::remove_track(Track &t)
  37 {
  38         if(tracks.count(&t))
  39         {
  40                 tracks.erase(&t);
  41                 signal_track_removed.emit(t);
  42         }
  43 }
  44
  45 void Layout::check_links()
  46 {
  47         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  48                 (*i)->break_links();
  49
  50         set<Track *> flext;
  51         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  52         {
  53                 if((*i)->get_flex())
  54                         flext.insert(*i);
  55                 else
  56                 {
  57                         for(set<Track *>::iterator j=i; j!=tracks.end(); ++j)
  58                                 if(j!=i)
  59                                         (*i)->snap_to(**j, true);
  60                 }
  61         }
  62
  63         for(set<Track *>::iterator i=flext.begin(); i!=flext.end(); ++i)
  64                 for(set<Track *>::iterator j=tracks.begin(); j!=tracks.end(); ++j)
  65                         if(j!=i)
  66                                 (*i)->snap_to(**j, true);
  67 }
  68
  69 void Layout::save(const string &fn)
  70 {
  71         IO::BufferedFile out(fn, IO::M_WRITE);
  72         DataFile::Writer writer(out);
  73         if(!base.empty())
  74                 writer.write((DataFile::Statement("base"), base));
  75         for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
  76         {
  77                 DataFile::Statement st("track");
  78                 st.append((*i)->get_type().get_article_number());
  79                 (*i)->save(st.sub);
  80                 writer.write(st);
  81         }
  82 }
  83
  84
  85 Layout::Loader::Loader(Layout &l):
  86         DataFile::BasicLoader<Layout>(l)
  87 {
  88         add("base",  &Layout::base);
  89         add("track", &Loader::track);
  90 }
  91
  92 void Layout::Loader::finish()
  93 {
  94         obj.check_links();
  95
  96         for(set<Track *>::iterator i=obj.tracks.begin(); i!=obj.tracks.end(); ++i)
  97                 (*i)->check_slope();
  98 }
  99
 100 void Layout::Loader::track(unsigned art_nr)
 101 {
 102         TrackType &type=obj.catalogue.get_track(art_nr);
 103
 104         RefPtr<Track> trk=new Track(type);
 105         load_sub(*trk);
 106         obj.add_track(*trk.release());
 107 }
 108
 109 } // namespace Marklin