src/guiConfigureWorld.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20
  21 #include <iostream>
  22 #include <string>
  23 #include <map>
  24
  25 #include "guiConfigureWorld.h"
  26 #include "guiMessageMenu.h"
  27 #include <IGUIButton.h>
  28 #include <IGUICheckBox.h>
  29 #include <IGUIListBox.h>
  30 #include <IGUIStaticText.h>
  31 #include <IGUITreeView.h>
  32 #include "gettext.h"
  33 #include "util/string.h"
  34 #include "settings.h"
  35 #include "filesys.h"
  36
  37 enum
  38 {
  39         GUI_ID_MOD_TREEVIEW = 101,
  40         GUI_ID_ENABLED_CHECKBOX,
  41         GUI_ID_ENABLEALL,
  42         GUI_ID_DISABLEALL,
  43         GUI_ID_DEPENDS_LISTBOX,
  44         GUI_ID_RDEPENDS_LISTBOX,
  45         GUI_ID_CANCEL,
  46         GUI_ID_SAVE
  47 };
  48
  49 #define QUESTIONMARK_STR L"?"
  50 #define CHECKMARK_STR    L"\411"
  51 #define CROSS_STR        L"\403"
  52
  53 GUIConfigureWorld::GUIConfigureWorld(gui::IGUIEnvironment* env,
  54                 gui::IGUIElement* parent, s32 id,
  55                 IMenuManager *menumgr, WorldSpec wspec):
  56         GUIModalMenu(env, parent, id, menumgr),
  57         m_wspec(wspec),
  58         m_gspec(findWorldSubgame(m_wspec.path)),
  59         m_menumgr(menumgr)
  60 {
  61         //will be initialized in regenerateGUI()
  62         m_treeview=NULL;
  63
  64         // game mods
  65         m_gamemods = flattenModTree(getModsInPath(m_gspec.gamemods_path));
  66
  67         // world mods
  68         std::string worldmods_path = wspec.path + DIR_DELIM + "worldmods";
  69         m_worldmods = flattenModTree(getModsInPath(worldmods_path));
  70
  71         // fill m_addontree with add-on mods
  72         std::set<std::string> paths = m_gspec.addon_mods_paths;
  73         for(std::set<std::string>::iterator it=paths.begin();
  74                 it != paths.end(); ++it)
  75         {
  76                 std::map<std::string,ModSpec> mods = getModsInPath(*it);
  77                 m_addontree.insert(mods.begin(), mods.end());
  78         }
  79
  80         // expand modpacks
  81         m_addonmods = flattenModTree(m_addontree);
  82
  83         // collect reverse dependencies
  84         for(std::map<std::string, ModSpec>::iterator it = m_addonmods.begin();
  85                 it != m_addonmods.end(); ++it)
  86         {
  87                 std::string modname = (*it).first;
  88                 ModSpec mod = (*it).second;
  89                 for(std::set<std::string>::iterator dep_it = mod.depends.begin();
  90                         dep_it != mod.depends.end(); ++dep_it)
  91                 {
  92                         m_reverse_depends.insert(std::make_pair((*dep_it),modname));
  93                 }
  94         }
  95
  96         m_settings.readConfigFile((m_wspec.path + DIR_DELIM + "world.mt").c_str());
  97         std::vector<std::string> names = m_settings.getNames();
  98
  99         // mod_names contains the names of mods mentioned in the world.mt file
 100         std::set<std::string> mod_names;
 101         for(std::vector<std::string>::iterator it = names.begin();
 102                 it != names.end(); ++it)
 103         {
 104                 std::string name = *it;
 105                 if (name.compare(0,9,"load_mod_")==0)
 106                         mod_names.insert(name.substr(9));
 107         }
 108
 109         // find new mods (installed but not mentioned in world.mt)
 110         for(std::map<std::string, ModSpec>::iterator it = m_addonmods.begin();
 111                 it != m_addonmods.end(); ++it)
 112         {
 113                 std::string modname = (*it).first;
 114                 ModSpec mod = (*it).second;
 115                 // a mod is new if it is not a modpack, and does not occur in
 116                 // mod_names
 117                 if(!mod.is_modpack &&
 118                    mod_names.count(modname) == 0)
 119                         m_settings.setBool("load_mod_"+modname, false);
 120         }
 121         // find missing mods (mentioned in world.mt, but not installed)
 122         for(std::set<std::string>::iterator it = mod_names.begin();
 123                 it != mod_names.end(); ++it)
 124         {
 125                 std::string modname = *it;
 126                 if(m_addonmods.count(modname) == 0)
 127                         m_settings.remove("load_mod_"+modname);
 128         }
 129         std::string worldmtfile = m_wspec.path+DIR_DELIM+"world.mt";
 130         m_settings.updateConfigFile(worldmtfile.c_str());
 131 }
 132
 133 void GUIConfigureWorld::drawMenu()
 134 {
 135         gui::IGUISkin* skin = Environment->getSkin();
 136         if (!skin)
 137                 return;
 138         video::IVideoDriver* driver = Environment->getVideoDriver();
 139
 140         video::SColor bgcolor(140,0,0,0);
 141         driver->draw2DRectangle(bgcolor, AbsoluteRect, &AbsoluteClippingRect);
 142
 143         gui::IGUIElement::draw();
 144 }
 145
 146
 147 void GUIConfigureWorld::regenerateGui(v2u32 screensize)
 148 {
 149
 150         /*
 151                 Remove stuff
 152         */
 153         removeChildren();
 154
 155         /*
 156                 Calculate new sizes and positions
 157         */
 158         core::rect<s32> rect(
 159                         screensize.X/2 - 580/2,
 160                         screensize.Y/2 - 300/2,
 161                         screensize.X/2 + 580/2,
 162                         screensize.Y/2 + 300/2
 163         );
 164
 165         DesiredRect = rect;
 166         recalculateAbsolutePosition(false);
 167
 168         v2s32 topleft = v2s32(10, 10);
 169
 170         /*
 171                 Add stuff
 172         */
 173         changeCtype("");
 174         {
 175                 core::rect<s32> rect(0, 0, 200, 20);
 176                 rect += topleft;
 177                 //proper text is set below, when a mod is selected
 178                 m_modname_text = Environment->addStaticText(L"Mod: N/A", rect, false,
 179                                                                                                         false, this, -1);
 180         }
 181         {
 182                 core::rect<s32> rect(0, 0, 200, 20);
 183                 rect += v2s32(0, 25) + topleft;
 184                 wchar_t* text = wgettext("enabled");
 185                 m_enabled_checkbox =
 186                         Environment->addCheckBox(false, rect, this, GUI_ID_ENABLED_CHECKBOX,
 187                                                                          text);
 188                 delete[] text;
 189                 m_enabled_checkbox->setVisible(false);
 190         }
 191         {
 192                 core::rect<s32> rect(0, 0, 85, 30);
 193                 rect = rect + v2s32(0, 25) + topleft;
 194                 wchar_t* text = wgettext("Enable All");
 195                 m_enableall = Environment->addButton(rect, this, GUI_ID_ENABLEALL,
 196                                                                                          text);
 197                 delete[] text;
 198                 m_enableall->setVisible(false);
 199         }
 200         {
 201                 core::rect<s32> rect(0, 0, 85, 30);
 202                 rect = rect + v2s32(115, 25) + topleft;
 203                 wchar_t* text = wgettext("Disable All");
 204                 m_disableall = Environment->addButton(rect, this, GUI_ID_DISABLEALL, text );
 205                 delete[] text;
 206                 m_disableall->setVisible(false);
 207         }
 208         {
 209                 core::rect<s32> rect(0, 0, 200, 20);
 210                 rect += v2s32(0, 60) + topleft;
 211                 wchar_t* text = wgettext("depends on:");
 212                 Environment->addStaticText(text, rect, false, false, this, -1);
 213                 delete[] text;
 214         }
 215         {
 216                 core::rect<s32> rect(0, 0, 200, 85);
 217                 rect += v2s32(0, 80) + topleft;
 218                 m_dependencies_listbox =
 219                         Environment->addListBox(rect, this, GUI_ID_DEPENDS_LISTBOX, true);
 220         }
 221         {
 222                 core::rect<s32> rect(0, 0, 200, 20);
 223                 rect += v2s32(0, 175) + topleft;
 224                 wchar_t* text = wgettext("is required by:");
 225                 Environment->addStaticText( text, rect, false, false, this, -1);
 226                 delete[] text;
 227         }
 228         {
 229                 core::rect<s32> rect(0, 0, 200, 85);
 230                 rect += v2s32(0, 195) + topleft;
 231                 m_rdependencies_listbox =
 232                         Environment->addListBox(rect,this, GUI_ID_RDEPENDS_LISTBOX,true);
 233         }
 234         {
 235                 core::rect<s32> rect(0, 0, 340, 250);
 236                 rect += v2s32(220, 0) + topleft;
 237                 m_treeview = Environment->addTreeView(rect, this,
 238                                                                                           GUI_ID_MOD_TREEVIEW,true);
 239                 gui::IGUITreeViewNode* node
 240                         = m_treeview->getRoot()->addChildBack(L"Add-Ons");
 241                 buildTreeView(m_addontree, node);
 242         }
 243         {
 244                 core::rect<s32> rect(0, 0, 120, 30);
 245                 rect = rect + v2s32(330, 270) - topleft;
 246                 wchar_t* text = wgettext("Cancel");
 247                 Environment->addButton(rect, this, GUI_ID_CANCEL, text);
 248                 delete[] text;
 249         }
 250         {
 251                 core::rect<s32> rect(0, 0, 120, 30);
 252                 rect = rect + v2s32(460, 270) - topleft;
 253                 wchar_t* text = wgettext("Save");
 254                 Environment->addButton(rect, this, GUI_ID_SAVE, text);
 255                 delete[] text;
 256         }
 257         changeCtype("C");
 258
 259         // at start, none of the treeview nodes is selected, so we select
 260         // the first element in the treeview of mods manually here.
 261         if(m_treeview->getRoot()->hasChilds())
 262         {
 263                 m_treeview->getRoot()->getFirstChild()->setExpanded(true);
 264                 m_treeview->getRoot()->getFirstChild()->setSelected(true);
 265                 // Because a manual ->setSelected() doesn't cause an event, we
 266                 // have to do this here:
 267                 adjustSidebar();
 268         }
 269 }
 270
 271 bool GUIConfigureWorld::OnEvent(const SEvent& event)
 272 {
 273
 274         gui::IGUITreeViewNode* selected_node = NULL;
 275         if(m_treeview != NULL)
 276                 selected_node = m_treeview->getSelected();
 277
 278         if(event.EventType==EET_KEY_INPUT_EVENT && event.KeyInput.PressedDown)
 279         {
 280                 switch (event.KeyInput.Key) {
 281                 case KEY_ESCAPE: {
 282                         quitMenu();
 283                         return true;
 284                 }
 285                 //      irrlicht's built-in TreeView gui has no keyboard control,
 286                 //      so we do it here: up/down to select prev/next node,
 287                 //      left/right to collapse/expand nodes, space to toggle
 288                 //      enabled/disabled.
 289                 case KEY_DOWN: {
 290                         if(selected_node != NULL)
 291                         {
 292                                 gui::IGUITreeViewNode* node = selected_node->getNextVisible();
 293                                 if(node != NULL)
 294                                 {
 295                                         node->setSelected(true);
 296                                         adjustSidebar();
 297                                 }
 298                         }
 299                         return true;
 300                 }
 301                 case KEY_UP: {
 302                         if(selected_node != NULL)
 303                         {
 304                                 gui::IGUITreeViewNode* node = selected_node->getPrevSibling();
 305                                 if(node!=NULL)
 306                                 {
 307                                         node->setSelected(true);
 308                                         adjustSidebar();
 309                                 }
 310                                 else
 311                                 {
 312                                         gui::IGUITreeViewNode* parent = selected_node->getParent();
 313                                         if(selected_node == parent->getFirstChild() &&
 314                                            parent != m_treeview->getRoot())
 315                                         {
 316                                                 parent->setSelected(true);
 317                                                 adjustSidebar();
 318                                         }
 319                                 }
 320                         }
 321                         return true;
 322                 }
 323                 case KEY_RIGHT: {
 324                         if(selected_node != NULL && selected_node->hasChilds())
 325                                 selected_node->setExpanded(true);
 326                         return true;
 327                 }
 328                 case KEY_LEFT: {
 329                         if(selected_node != NULL && selected_node->hasChilds())
 330                                 selected_node->setExpanded(false);
 331                         return true;
 332                 }
 333                 case KEY_SPACE: {
 334                         if(selected_node != NULL && !selected_node->hasChilds() &&
 335                            selected_node->getText() != NULL)
 336                         {
 337                                 std::string modname = wide_to_narrow(selected_node->getText());
 338                                 bool checked = m_enabled_checkbox->isChecked();
 339                                 m_enabled_checkbox->setChecked(!checked);
 340                                 setEnabled(modname,!checked);
 341                         }
 342                         return true;
 343                 }
 344                 default: {}
 345                 }
 346         }
 347         if(event.EventType==EET_GUI_EVENT)
 348         {
 349                 if(event.GUIEvent.EventType==gui::EGET_ELEMENT_FOCUS_LOST
 350                                 && isVisible())
 351                 {
 352                         if(!canTakeFocus(event.GUIEvent.Element))
 353                         {
 354                                 dstream<<"GUIConfigureWorld: Not allowing focus change."
 355                                                 <<std::endl;
 356                                 // Returning true disables focus change
 357                                 return true;
 358                         }
 359                 }
 360                 if(event.GUIEvent.EventType==gui::EGET_BUTTON_CLICKED){
 361                         switch(event.GUIEvent.Caller->getID()){
 362                         case GUI_ID_CANCEL: {
 363                                 quitMenu();
 364                                 return true;
 365                         }
 366                         case GUI_ID_SAVE: {
 367                                 std::string worldmtfile = m_wspec.path+DIR_DELIM+"world.mt";
 368                                 m_settings.updateConfigFile(worldmtfile.c_str());
 369
 370                                 // The trailing spaces are because there seems to be a
 371                                 // bug in the text-size calculation. if the trailing
 372                                 // spaces are removed from the message text, the
 373                                 // message gets wrapped and parts of it are cut off:
 374                                 wchar_t* text = wgettext("Configuration saved.  ");
 375                                 GUIMessageMenu *menu =
 376                                         new GUIMessageMenu(Environment, Parent, -1, m_menumgr,
 377                                                                          text );
 378                                 delete[] text;
 379                                 menu->drop();
 380
 381                                 try
 382                                 {
 383                                         ModConfiguration modconf(m_wspec.path);
 384                                         if(!modconf.isConsistent())
 385                                         {
 386                                                 wchar_t* text = wgettext("Warning: Configuration not consistent.  ");
 387                                                 GUIMessageMenu *menu =
 388                                                         new GUIMessageMenu(Environment, Parent, -1, m_menumgr,
 389                                                                                  text );
 390                                                 delete[] text;
 391                                                 menu->drop();
 392                                         }
 393                                 }
 394                                 catch(ModError &err)
 395                                 {
 396                                         errorstream<<err.what()<<std::endl;
 397                                         std::wstring text = narrow_to_wide(err.what()) + wgettext("\nCheck debug.txt for details.");
 398                                         GUIMessageMenu *menu =
 399                                                 new GUIMessageMenu(Environment, Parent, -1, m_menumgr,
 400                                                                          text );
 401                                         menu->drop();
 402                                 }
 403
 404                                 quitMenu();
 405                                 return true;
 406                         }
 407                         case GUI_ID_ENABLEALL: {
 408                                 if(selected_node != NULL && selected_node->getParent() == m_treeview->getRoot())
 409                                 {
 410                                         enableAllMods(m_addonmods,true);
 411                                 }
 412                                 else if(selected_node != NULL && selected_node->getText() != NULL)
 413                                 {
 414                                         std::string modname = wide_to_narrow(selected_node->getText());
 415                                         std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
 416                                         if(mod_it != m_addonmods.end())
 417                                                 enableAllMods(mod_it->second.modpack_content,true);
 418                                 }
 419                                 return true;
 420                         }
 421                         case GUI_ID_DISABLEALL: {
 422                                 if(selected_node != NULL && selected_node->getParent() == m_treeview->getRoot())
 423                                 {
 424                                         enableAllMods(m_addonmods,false);
 425                                 }
 426                                 if(selected_node != NULL && selected_node->getText() != NULL)
 427                                 {
 428                                         std::string modname = wide_to_narrow(selected_node->getText());
 429                                         std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
 430                                         if(mod_it != m_addonmods.end())
 431                                                 enableAllMods(mod_it->second.modpack_content,false);
 432                                 }
 433                                 return true;
 434                         }
 435                         }
 436                 }
 437                 if(event.GUIEvent.EventType==gui::EGET_CHECKBOX_CHANGED &&
 438                         event.GUIEvent.Caller->getID() == GUI_ID_ENABLED_CHECKBOX)
 439                 {
 440                         if(selected_node != NULL && !selected_node->hasChilds() &&
 441                            selected_node->getText() != NULL)
 442                         {
 443                                 std::string modname = wide_to_narrow(selected_node->getText());
 444                                 setEnabled(modname, m_enabled_checkbox->isChecked());
 445                         }
 446                         return true;
 447                 }
 448                 if(event.GUIEvent.EventType==gui::EGET_TREEVIEW_NODE_SELECT &&
 449                    event.GUIEvent.Caller->getID() == GUI_ID_MOD_TREEVIEW)
 450                 {
 451                         selecting_dep = -1;
 452                         selecting_rdep = -1;
 453                         adjustSidebar();
 454                         return true;
 455                 }
 456                 if(event.GUIEvent.EventType==gui::EGET_LISTBOX_CHANGED &&
 457                    event.GUIEvent.Caller->getID() == GUI_ID_DEPENDS_LISTBOX)
 458                 {
 459                         selecting_dep = m_dependencies_listbox->getSelected();
 460                         selecting_rdep = -1;
 461                         return true;
 462                 }
 463                 if(event.GUIEvent.EventType==gui::EGET_LISTBOX_CHANGED &&
 464                    event.GUIEvent.Caller->getID() == GUI_ID_RDEPENDS_LISTBOX)
 465                 {
 466                         selecting_dep = -1;
 467                         selecting_rdep = m_rdependencies_listbox->getSelected();
 468                         return true;
 469                 }
 470
 471                 //double click in a dependency listbox: find corresponding
 472                 //treeviewnode and select it:
 473                 if(event.GUIEvent.EventType==gui::EGET_LISTBOX_SELECTED_AGAIN)
 474                 {
 475                         gui::IGUIListBox* box = NULL;
 476                         if(event.GUIEvent.Caller->getID() == GUI_ID_DEPENDS_LISTBOX)
 477                         {
 478                                 box = m_dependencies_listbox;
 479                                 if(box->getSelected() != selecting_dep)
 480                                         return true;
 481                         }
 482                         if(event.GUIEvent.Caller->getID() == GUI_ID_RDEPENDS_LISTBOX)
 483                         {
 484                                 box = m_rdependencies_listbox;
 485                                 if(box->getSelected() != selecting_rdep)
 486                                         return true;
 487                         }
 488                         if(box != NULL && box->getSelected() != -1 &&
 489                            box->getListItem(box->getSelected()) != NULL)
 490                         {
 491                                 std::string modname =
 492                                         wide_to_narrow(box->getListItem(box->getSelected()));
 493                                 std::map<std::string, gui::IGUITreeViewNode*>::iterator it =
 494                                         m_nodes.find(modname);
 495                                 if(it != m_nodes.end())
 496                                 {
 497                                         // select node and make sure node is visible by
 498                                         // expanding all parents
 499                                         gui::IGUITreeViewNode* node = (*it).second;
 500                                         node->setSelected(true);
 501                                         while(!node->isVisible() &&
 502                                                   node->getParent() != m_treeview->getRoot())
 503                                         {
 504                                                 node = node->getParent();
 505                                                 node->setExpanded(true);
 506                                         }
 507                                         adjustSidebar();
 508                                 }
 509                         }
 510                         return true;
 511                 }
 512         }
 513
 514         return Parent ? Parent->OnEvent(event) : false;
 515 }
 516
 517 void GUIConfigureWorld::buildTreeView(std::map<std::string, ModSpec> mods,
 518                                                                           gui::IGUITreeViewNode* node)
 519 {
 520         for(std::map<std::string,ModSpec>::iterator it = mods.begin();
 521                 it != mods.end(); ++it)
 522         {
 523                 std::string modname = (*it).first;
 524                 ModSpec mod = (*it).second;
 525                 gui::IGUITreeViewNode* new_node =
 526                         node->addChildBack(narrow_to_wide(modname).c_str());
 527                 m_nodes.insert(std::make_pair(modname, new_node));
 528                 if(mod.is_modpack)
 529                         buildTreeView(mod.modpack_content, new_node);
 530                 else
 531                 {
 532                         // set icon for node: x for disabled mods, checkmark for enabled mods
 533                         bool mod_enabled = false;
 534                         if(m_settings.exists("load_mod_"+modname))
 535                                 mod_enabled = m_settings.getBool("load_mod_"+modname);
 536                         if(mod_enabled)
 537                                 new_node->setIcon(CHECKMARK_STR);
 538                         else
 539                                 new_node->setIcon(CROSS_STR);
 540                 }
 541         }
 542 }
 543
 544
 545 void GUIConfigureWorld::adjustSidebar()
 546 {
 547         gui::IGUITreeViewNode* node = m_treeview->getSelected();
 548         std::wstring modname_w;
 549         if(node->getText() != NULL)
 550                 modname_w = node->getText();
 551         else
 552                 modname_w = L"N/A";
 553         std::string modname = wide_to_narrow(modname_w);
 554
 555         ModSpec mspec;
 556         std::map<std::string, ModSpec>::iterator it = m_addonmods.find(modname);
 557         if(it != m_addonmods.end())
 558                 mspec = it->second;
 559
 560         m_dependencies_listbox->clear();
 561         m_rdependencies_listbox->clear();
 562
 563         // if no mods installed, there is nothing to enable/disable, so we
 564         // don't show buttons or checkbox on the sidebar
 565         if(node->getParent() == m_treeview->getRoot() && !node->hasChilds())
 566         {
 567                 m_disableall->setVisible(false);
 568                 m_enableall->setVisible(false);
 569                 m_enabled_checkbox->setVisible(false);
 570                 return;
 571         }
 572
 573     // a modpack is not enabled/disabled by itself, only its cotnents
 574     // are. so we show show enable/disable all buttons, but hide the
 575     // checkbox
 576         if(node->getParent() == m_treeview->getRoot() ||
 577            mspec.is_modpack)
 578         {
 579                 m_enabled_checkbox->setVisible(false);
 580                 m_disableall->setVisible(true);
 581                 m_enableall->setVisible(true);
 582                 m_modname_text->setText((L"Modpack: "+modname_w).c_str());
 583                 return;
 584         }
 585
 586         // for a normal mod, we hide the enable/disable all buttons, but show the checkbox.
 587         m_disableall->setVisible(false);
 588         m_enableall->setVisible(false);
 589         m_enabled_checkbox->setVisible(true);
 590         m_modname_text->setText((L"Mod: "+modname_w).c_str());
 591
 592         // the mod is enabled unless it is disabled in the world.mt settings.
 593         bool mod_enabled = true;
 594         if(m_settings.exists("load_mod_"+modname))
 595                 mod_enabled = m_settings.getBool("load_mod_"+modname);
 596         m_enabled_checkbox->setChecked(mod_enabled);
 597
 598         for(std::set<std::string>::iterator it=mspec.depends.begin();
 599                 it != mspec.depends.end(); ++it)
 600         {
 601                 // check if it is an add-on mod or a game/world mod. We only
 602                 // want to show add-ons
 603                 std::string dependency = (*it);
 604                 if(m_gamemods.count(dependency) > 0)
 605                         dependency += " (" + m_gspec.id + ")";
 606                 else if(m_worldmods.count(dependency) > 0)
 607                         dependency += " (" + m_wspec.name + ")";
 608                 else if(m_addonmods.count(dependency) == 0)
 609                         dependency += " (missing)";
 610                 m_dependencies_listbox->addItem(narrow_to_wide(dependency).c_str());
 611         }
 612
 613         // reverse dependencies of this mod:
 614         std::pair< std::multimap<std::string, std::string>::iterator,
 615                         std::multimap<std::string, std::string>::iterator > rdep =
 616                 m_reverse_depends.equal_range(modname);
 617         for(std::multimap<std::string,std::string>::iterator it = rdep.first;
 618                 it != rdep.second; ++it)
 619         {
 620                 // check if it is an add-on mod or a game/world mod. We only
 621                 // want to show add-ons
 622                 std::string rdependency = (*it).second;
 623                 if(m_addonmods.count(rdependency) > 0)
 624                         m_rdependencies_listbox->addItem(narrow_to_wide(rdependency).c_str());
 625         }
 626 }
 627
 628 void GUIConfigureWorld::enableAllMods(std::map<std::string, ModSpec> mods,bool enable)
 629 {
 630         for(std::map<std::string, ModSpec>::iterator it = mods.begin();
 631                 it != mods.end(); ++it)
 632         {
 633                 ModSpec mod = (*it).second;
 634                 if(mod.is_modpack)
 635                         // a modpack, recursively enable all mods in it
 636                         enableAllMods(mod.modpack_content,enable);
 637                 else // not a modpack
 638                         setEnabled(mod.name, enable);
 639
 640         }
 641 }
 642
 643 void GUIConfigureWorld::enableMod(std::string modname)
 644 {
 645         std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
 646         if(mod_it == m_addonmods.end()){
 647                 errorstream << "enableMod() called with invalid mod name \"" << modname << "\"" << std::endl;
 648                 return;
 649         }
 650         ModSpec mspec = mod_it->second;
 651         m_settings.setBool("load_mod_"+modname,true);
 652         std::map<std::string,gui::IGUITreeViewNode*>::iterator it =
 653                 m_nodes.find(modname);
 654         if(it != m_nodes.end())
 655                 (*it).second->setIcon(CHECKMARK_STR);
 656         //also enable all dependencies
 657         for(std::set<std::string>::iterator it=mspec.depends.begin();
 658                 it != mspec.depends.end(); ++it)
 659         {
 660                 std::string dependency = *it;
 661                 // only enable it if it is an add-on mod
 662                 if(m_addonmods.count(dependency) > 0)
 663                         enableMod(dependency);
 664         }
 665 }
 666
 667 void GUIConfigureWorld::disableMod(std::string modname)
 668 {
 669         std::map<std::string, ModSpec>::iterator mod_it = m_addonmods.find(modname);
 670         if(mod_it == m_addonmods.end()){
 671                 errorstream << "disableMod() called with invalid mod name \"" << modname << "\"" << std::endl;
 672                 return;
 673         }
 674
 675         m_settings.setBool("load_mod_"+modname,false);
 676         std::map<std::string,gui::IGUITreeViewNode*>::iterator it =
 677                 m_nodes.find(modname);
 678         if(it != m_nodes.end())
 679                 (*it).second->setIcon(CROSS_STR);
 680         //also disable all mods that depend on this one
 681         std::pair<std::multimap<std::string, std::string>::iterator,
 682                           std::multimap<std::string, std::string>::iterator > rdep =
 683                 m_reverse_depends.equal_range(modname);
 684         for(std::multimap<std::string,std::string>::iterator it = rdep.first;
 685                 it != rdep.second; ++it)
 686         {
 687                 std::string rdependency = (*it).second;
 688                 // only disable it if it is an add-on mod
 689                 if(m_addonmods.count(rdependency) > 0)
 690                         disableMod(rdependency);
 691         }
 692 }
 693