gui_file_manager.cxx

   1 //  $Id: gui_file_manager.cxx,v 1.10 2003/07/24 10:10:02 grumbel Exp $
   2 //
   3 //  Construo - A wire-frame construction gamee
   4 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include <assert.h>
  21 #include "construo.hxx"
  22 #include "zoom_graphic_context.hxx"
  23 #include "gui_file_manager.hxx"
  24 #include "screen_manager.hxx"
  25 #include "gui_buttons.hxx"
  26
  27 void DirectoryUp ()
  28 {
  29   GUIFileManager::instance()->directory_up();
  30 }
  31
  32 void ScrollUp ()
  33 {
  34   GUIFileManager::instance()->scroll_up();
  35 }
  36
  37 void ScrollDown ()
  38 {
  39   GUIFileManager::instance()->scroll_down();
  40 }
  41
  42 void ReReadCurrentDir ()
  43 {
  44   GUIFileManager::instance()->update_current_directory();
  45 }
  46
  47
  48 void CloseFileManager ()
  49 {
  50   ScreenManager::instance()->set_gui(ScreenManager::WORLD_GUI);
  51 }
  52
  53 GUIFileManager* GUIFileManager::instance_ = 0;
  54
  55 GUIFileManager::GUIFileManager (Mode m)
  56   : GUIChildManager (0, 0, 800, 600),
  57     mode (m)
  58 {
  59   if (mode == SAVE_MANAGER)
  60     current_directory = new GUIDirectory ("/", GUIDirectory::SAVE_DIRECTORY);
  61   else
  62     current_directory = new GUIDirectory ("/", GUIDirectory::LOAD_DIRECTORY);
  63
  64   directories["/"] = current_directory;
  65
  66   add (new GUIGenericButton("Up", 0,0, 100, 25, DirectoryUp));
  67   add (new GUIGenericButton("Close", 700, 0, 100, 25, CloseFileManager));
  68
  69   add (new GUIGenericButton("^", 770, 200, 25, 50, ScrollUp));
  70   add (new GUIGenericButton("V", 770, 300, 25, 50, ScrollDown));
  71
  72   add (new GUIGenericButton("Update Directory", 650, 575, 150, 25, ReReadCurrentDir));
  73
  74   add(current_directory);
  75
  76   instance_ = this;
  77 }
  78
  79 GUIFileManager::~GUIFileManager ()
  80 {
  81
  82 }
  83
  84 void
  85 GUIFileManager::open_directory (const std::string& pathname)
  86 {
  87   std::cout << "GUIFileManager::open_directory: " << pathname << std::endl;
  88   GUIDirectory* old_directory = current_directory;
  89
  90   if (directories[pathname] == 0)
  91     {
  92       if (mode == SAVE_MANAGER)
  93         {
  94           current_directory = directories[pathname] = new GUIDirectory(pathname,
  95                                                                        GUIDirectory::SAVE_DIRECTORY);
  96         }
  97       else
  98         {
  99           current_directory = directories[pathname] = new GUIDirectory(pathname,
 100                                                                        GUIDirectory::LOAD_DIRECTORY);
 101         }
 102     }
 103   else
 104     {
 105       current_directory = directories[pathname];
 106     }
 107
 108   std::cout << "Replace: " << old_directory << " " << current_directory << std::endl;
 109   replace (old_directory, current_directory);
 110 }
 111
 112 void
 113 GUIFileManager::directory_up()
 114 {
 115   std::string pathname = current_directory->get_path ();
 116
 117   // FIXME: UGLY code
 118   if (pathname == "/")
 119     {
 120       // already at the top most directory
 121       return;
 122     }
 123   else
 124     {
 125       assert(*(pathname.end()-1) == '/');
 126
 127       for (std::string::size_type i = pathname.size() - 2; i >= 0; --i)
 128         {
 129           if (pathname[i] == '/') // Found second '/'
 130             {
 131               pathname = pathname.substr(0, i+1);
 132               break;
 133             }
 134         }
 135
 136       std::cout << "Directory Up: " << current_directory->get_path () << " -> " << pathname << std::endl;
 137       open_directory (pathname);
 138     }
 139 }
 140
 141 void
 142 GUIFileManager::draw_overlay (GraphicContext* gc)
 143 {
 144   gc->draw_string(200, 16, current_directory->get_path());
 145 }
 146
 147 void
 148 GUIFileManager::scroll_up ()
 149 {
 150   current_directory->move_up();
 151 }
 152
 153 void
 154 GUIFileManager::scroll_down ()
 155 {
 156   current_directory->move_down();
 157 }
 158
 159 void
 160 GUIFileManager::update_current_directory()
 161 {
 162   // Force a reread of the whole directory
 163   std::string pathname = current_directory->get_path();
 164
 165   GUIDirectory* old_directory = current_directory;
 166
 167   if (mode == SAVE_MANAGER)
 168     {
 169       current_directory = directories[pathname] = new GUIDirectory(pathname,
 170                                                                    GUIDirectory::SAVE_DIRECTORY);
 171     }
 172   else
 173     {
 174       current_directory = directories[pathname] = new GUIDirectory(pathname,
 175                                                                    GUIDirectory::LOAD_DIRECTORY);
 176     }
 177
 178   replace (old_directory, current_directory);
 179   delete old_directory;
 180 }
 181
 182 /* EOF */