1

/* $Id$ */

     2

     3

/** @file group_gui.cpp GUI for the group window. */

     4

     5

#include "stdafx.h"

     6

#include "openttd.h"

     7

#include "gui.h"

     8

#include "window_gui.h"

     9

#include "textbuf_gui.h"

    10

#include "command_func.h"

    11

#include "vehicle_gui.h"

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#include "vehicle_gui_base.h"

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#include "train.h"

    14

#include "group.h"

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#include "debug.h"

    16

#include "strings_func.h"

    17

#include "core/alloc_func.hpp"

    18

#include "window_func.h"

    19

#include "vehicle_func.h"

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#include "autoreplace_gui.h"

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#include "string_func.h"

    22

#include "viewport_func.h"

    23

#include "gfx_func.h"

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#include "company_func.h"

    25

#include "widgets/dropdown_type.h"

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#include "widgets/dropdown_func.h"

    27

#include "tilehighlight_func.h"

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    29

#include "table/strings.h"

    30

#include "table/sprites.h"

    31

    32

typedef GUIList<const Group*> GUIGroupList;

    33

    34

enum GroupListWidgets {

    35

	GRP_WIDGET_CLOSEBOX = 0,

    36

	GRP_WIDGET_CAPTION,

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	GRP_WIDGET_STICKY,

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	GRP_WIDGET_SORT_BY_ORDER,

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	GRP_WIDGET_SORT_BY_DROPDOWN,

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	GRP_WIDGET_EMPTY_TOP_RIGHT,

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	GRP_WIDGET_LIST_VEHICLE,

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	GRP_WIDGET_LIST_VEHICLE_SCROLLBAR,

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	GRP_WIDGET_EMPTY2,

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	GRP_WIDGET_AVAILABLE_VEHICLES,

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	GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN,

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	GRP_WIDGET_STOP_ALL,

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	GRP_WIDGET_START_ALL,

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	GRP_WIDGET_EMPTY_BOTTOM_RIGHT,

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	GRP_WIDGET_RESIZE,

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    51

	GRP_WIDGET_EMPTY_TOP_LEFT,

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	GRP_WIDGET_ALL_VEHICLES,

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	GRP_WIDGET_DEFAULT_VEHICLES,

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	GRP_WIDGET_LIST_GROUP,

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	GRP_WIDGET_LIST_GROUP_SCROLLBAR,

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	GRP_WIDGET_CREATE_GROUP,

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	GRP_WIDGET_DELETE_GROUP,

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	GRP_WIDGET_RENAME_GROUP,

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	GRP_WIDGET_EMPTY1,

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	GRP_WIDGET_REPLACE_PROTECTION,

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};

    62

    63

enum GroupActionListFunction {

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	GALF_REPLACE,

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	GALF_SERVICE,

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	GALF_DEPOT,

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	GALF_ADD_SHARED,

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	GALF_REMOVE_ALL,

    69

};

    70

    71

/**

    72

 * Update/redraw the group action dropdown

    73

 * @param w   the window the dropdown belongs to

    74

 * @param gid the currently selected group in the window

    75

 */

    76

static void ShowGroupActionDropdown(Window *w, GroupID gid)

    77

{

    78

	DropDownList *list = new DropDownList();

    79

    80

	list->push_back(new DropDownListStringItem(STR_REPLACE_VEHICLES,    GALF_REPLACE, false));

    81

	list->push_back(new DropDownListStringItem(STR_SEND_FOR_SERVICING,  GALF_SERVICE, false));

    82

	list->push_back(new DropDownListStringItem(STR_SEND_TRAIN_TO_DEPOT, GALF_DEPOT,   false));

    83

    84

	if (IsValidGroupID(gid)) {

    85

		list->push_back(new DropDownListStringItem(STR_GROUP_ADD_SHARED_VEHICLE,  GALF_ADD_SHARED, false));

    86

		list->push_back(new DropDownListStringItem(STR_GROUP_REMOVE_ALL_VEHICLES, GALF_REMOVE_ALL, false));

    87

	}

    88

    89

	ShowDropDownList(w, list, 0, GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN);

    90

}

    91

    92

    93

static const Widget _group_widgets[] = {

    94

{   WWT_CLOSEBOX,   RESIZE_NONE,  COLOUR_GREY,     0,    10,     0,    13, STR_00C5,             STR_018B_CLOSE_WINDOW},

    95

{    WWT_CAPTION,  RESIZE_RIGHT,  COLOUR_GREY,    11,   447,     0,    13, 0x0,                  STR_018C_WINDOW_TITLE_DRAG_THIS},

    96

{  WWT_STICKYBOX,     RESIZE_LR,  COLOUR_GREY,   448,   459,     0,    13, 0x0,                  STR_STICKY_BUTTON},

    97

{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   200,   280,    14,    25, STR_SORT_BY,          STR_SORT_ORDER_TIP},

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{   WWT_DROPDOWN,   RESIZE_NONE,  COLOUR_GREY,   281,   447,    14,    25, 0x0,                  STR_SORT_CRITERIA_TIP},

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{      WWT_PANEL,  RESIZE_RIGHT,  COLOUR_GREY,   448,   459,    14,    25, 0x0,                  STR_NULL},

   100

{     WWT_MATRIX,     RESIZE_RB,  COLOUR_GREY,   200,   447,    26,   181, 0x701,                STR_NULL},

   101

{  WWT_SCROLLBAR,    RESIZE_LRB,  COLOUR_GREY,   448,   459,    26,   181, 0x0,                  STR_0190_SCROLL_BAR_SCROLLS_LIST},

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{      WWT_PANEL,     RESIZE_TB,  COLOUR_GREY,   188,   199,   169,   193, 0x0,                  STR_NULL},

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{ WWT_PUSHTXTBTN,     RESIZE_TB,  COLOUR_GREY,   200,   305,   182,   193, 0x0,                  STR_AVAILABLE_ENGINES_TIP},

   104

{   WWT_DROPDOWN,     RESIZE_TB,  COLOUR_GREY,   306,   423,   182,   193, STR_MANAGE_LIST,      STR_MANAGE_LIST_TIP},

   105

{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,   424,   435,   182,   193, SPR_FLAG_VEH_STOPPED, STR_MASS_STOP_LIST_TIP},

   106

{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,   436,   447,   182,   193, SPR_FLAG_VEH_RUNNING, STR_MASS_START_LIST_TIP},

   107

{      WWT_PANEL,    RESIZE_RTB,  COLOUR_GREY,   448,   447,   182,   193, 0x0,                  STR_NULL},

   108

{  WWT_RESIZEBOX,   RESIZE_LRTB,  COLOUR_GREY,   448,   459,   182,   193, 0x0,                  STR_RESIZE_BUTTON},

   109

   110

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   199,    14,    25, 0x0,                  STR_NULL},

   111

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   199,    26,    38, 0x0,                  STR_NULL},

   112

{      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   199,    39,    51, 0x0,                  STR_NULL},

   113

{     WWT_MATRIX, RESIZE_BOTTOM,  COLOUR_GREY,     0,   187,    52,   168, 0x701,                STR_GROUPS_CLICK_ON_GROUP_FOR_TIP},

   114

{ WWT_SCROLL2BAR, RESIZE_BOTTOM,  COLOUR_GREY,   188,   199,    52,   168, 0x0,                  STR_0190_SCROLL_BAR_SCROLLS_LIST},

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{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,     0,    23,   169,   193, 0x0,                  STR_GROUP_CREATE_TIP},

   116

{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,    24,    47,   169,   193, 0x0,                  STR_GROUP_DELETE_TIP},

   117

{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,    48,    71,   169,   193, 0x0,                  STR_GROUP_RENAME_TIP},

   118

{      WWT_PANEL,     RESIZE_TB,  COLOUR_GREY,    72,   163,   169,   193, 0x0,                  STR_NULL},

   119

{ WWT_PUSHIMGBTN,     RESIZE_TB,  COLOUR_GREY,   164,   187,   169,   193, 0x0,                  STR_GROUP_REPLACE_PROTECTION_TIP},

   120

{   WIDGETS_END},

   121

};

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   124

class VehicleGroupWindow : public BaseVehicleListWindow {

   125

private:

   126

	GroupID group_sel;

   127

	VehicleID vehicle_sel;

   128

	GUIGroupList groups;

   129

   130

	/**

   131

	 * (Re)Build the group list.

   132

	 *

   133

	 * @param owner The owner of the window

   134

	 */

   135

	void BuildGroupList(Owner owner)

   136

	{

   137

		if (!this->groups.NeedRebuild()) return;

   138

   139

		this->groups.Clear();

   140

   141

		const Group *g;

   142

		FOR_ALL_GROUPS(g) {

   143

			if (g->owner == owner && g->vehicle_type == this->vehicle_type) {

   144

				*this->groups.Append() = g;

   145

			}

   146

		}

   147

   148

		this->groups.Compact();

   149

		this->groups.RebuildDone();

   150

	}

   151

   152

	/** Sort the groups by their name */

   153

	static int CDECL GroupNameSorter(const Group* const *a, const Group* const *b)

   154

	{

   155

		static const Group *last_group[2] = { NULL, NULL };

   156

		static char         last_name[2][64] = { "", "" };

   157

   158

		if (*a != last_group[0]) {

   159

			last_group[0] = *a;

   160

			SetDParam(0, (*a)->index);

   161

			GetString(last_name[0], STR_GROUP_NAME, lastof(last_name[0]));

   162

		}

   163

   164

		if (*b != last_group[1]) {

   165

			last_group[1] = *b;

   166

			SetDParam(0, (*b)->index);

   167

			GetString(last_name[1], STR_GROUP_NAME, lastof(last_name[1]));

   168

		}

   169

   170

		int r = strcmp(last_name[0], last_name[1]); // sort by name

   171

		if (r == 0) return (*a)->index - (*b)->index;

   172

		return r;

   173

	}

   174

   175

public:

   176

	VehicleGroupWindow(const WindowDesc *desc, WindowNumber window_number) : BaseVehicleListWindow(desc, window_number)

   177

	{

   178

		const Owner owner = (Owner)GB(this->window_number, 0, 8);

   179

		this->vehicle_type = (VehicleType)GB(this->window_number, 11, 5);

   180

   181

		this->caption_color = owner;

   182

		this->resize.step_width = 1;

   183

   184

		switch (this->vehicle_type) {

   185

			default: NOT_REACHED();

   186

			case VEH_TRAIN:

   187

			case VEH_ROAD:

   188

				this->vscroll2.cap = 9;

   189

				this->vscroll.cap = 6;

   190

				this->resize.step_height = PLY_WND_PRC__SIZE_OF_ROW_SMALL;

   191

				break;

   192

			case VEH_SHIP:

   193

			case VEH_AIRCRAFT:

   194

				this->vscroll2.cap = 9;

   195

				this->vscroll.cap = 4;

   196

				this->resize.step_height = PLY_WND_PRC__SIZE_OF_ROW_BIG;

   197

				break;

   198

		}

   199

   200

		this->widget[GRP_WIDGET_LIST_GROUP].data = (this->vscroll2.cap << 8) + 1;

   201

		this->widget[GRP_WIDGET_LIST_VEHICLE].data = (this->vscroll.cap << 8) + 1;

   202

   203

		switch (this->vehicle_type) {

   204

			default: NOT_REACHED();

   205

			case VEH_TRAIN:    this->sorting = &_sorting.train;    break;

   206

			case VEH_ROAD:     this->sorting = &_sorting.roadveh;  break;

   207

			case VEH_SHIP:     this->sorting = &_sorting.ship;     break;

   208

			case VEH_AIRCRAFT: this->sorting = &_sorting.aircraft; break;

   209

		}

   210

   211

		this->vehicles.SetListing(*this->sorting);

   212

		this->vehicles.ForceRebuild();

   213

		this->vehicles.NeedResort();

   214

   215

		this->groups.ForceRebuild();

   216

		this->groups.NeedResort();

   217

   218

		this->group_sel = ALL_GROUP;

   219

		this->vehicle_sel = INVALID_VEHICLE;

   220

   221

		switch (this->vehicle_type) {

   222

			case VEH_TRAIN:

   223

				this->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_883D_TRAINS_CLICK_ON_TRAIN_FOR;

   224

				this->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_TRAINS;

   225

   226

				this->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_TRAIN;

   227

				this->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_TRAIN;

   228

				this->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_TRAIN;

   229

				break;

   230

   231

			case VEH_ROAD:

   232

				this->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_901A_ROAD_VEHICLES_CLICK_ON;

   233

				this->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_ROAD_VEHICLES;

   234

   235

				this->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_ROADVEH;

   236

				this->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_ROADVEH;

   237

				this->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_ROADVEH;

   238

				break;

   239

   240

			case VEH_SHIP:

   241

				this->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_9823_SHIPS_CLICK_ON_SHIP_FOR;

   242

				this->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_SHIPS;

   243

   244

				this->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_SHIP;

   245

				this->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_SHIP;

   246

				this->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_SHIP;

   247

				break;

   248

   249

			case VEH_AIRCRAFT:

   250

				this->widget[GRP_WIDGET_LIST_VEHICLE].tooltips = STR_A01F_AIRCRAFT_CLICK_ON_AIRCRAFT;

   251

				this->widget[GRP_WIDGET_AVAILABLE_VEHICLES].data = STR_AVAILABLE_AIRCRAFT;

   252

   253

				this->widget[GRP_WIDGET_CREATE_GROUP].data = SPR_GROUP_CREATE_AIRCRAFT;

   254

				this->widget[GRP_WIDGET_RENAME_GROUP].data = SPR_GROUP_RENAME_AIRCRAFT;

   255

				this->widget[GRP_WIDGET_DELETE_GROUP].data = SPR_GROUP_DELETE_AIRCRAFT;

   256

				break;

   257

   258

			default: NOT_REACHED();

   259

		}

   260

   261

		this->FindWindowPlacementAndResize(desc);

   262

		if (this->vehicle_type == VEH_TRAIN) ResizeWindow(this, 65, 0);

   263

	}

   264

   265

	~VehicleGroupWindow()

   266

	{

   267

		*this->sorting = this->vehicles.GetListing();

   268

	}

   269

   270

	virtual void OnInvalidateData(int data)

   271

	{

   272

		if (data == 0) {

   273

			this->vehicles.ForceRebuild();

   274

			this->groups.ForceRebuild();

   275

		} else {

   276

			this->vehicles.ForceResort();

   277

			this->groups.ForceResort();

   278

		}

   279

   280

		if (!(IsAllGroupID(this->group_sel) || IsDefaultGroupID(this->group_sel) || IsValidGroupID(this->group_sel))) {

   281

			this->group_sel = ALL_GROUP;

   282

			HideDropDownMenu(this);

   283

		}

   284

		this->SetDirty();

   285

	}

   286

   287

	virtual void OnPaint()

   288

	{

   289

		const Owner owner = (Owner)GB(this->window_number, 0, 8);

   290

		int x = this->widget[GRP_WIDGET_LIST_VEHICLE].left + 2;

   291

		int y1 = PLY_WND_PRC__OFFSET_TOP_WIDGET + 2;

   292

		int max;

   293

		int i;

   294

   295

		/* If we select the all vehicles, this->list will contain all vehicles of the owner

   296

		 * else this->list will contain all vehicles which belong to the selected group */

   297

		this->BuildVehicleList(owner, this->group_sel, IsAllGroupID(this->group_sel) ? VLW_STANDARD : VLW_GROUP_LIST);

   298

		this->SortVehicleList();

   299

   300

		this->BuildGroupList(owner);

   301

		this->groups.Sort(&GroupNameSorter);

   302

   303

		SetVScroll2Count(this, this->groups.Length());

   304

		SetVScrollCount(this, this->vehicles.Length());

   305

   306

		/* The drop down menu is out, *but* it may not be used, retract it. */

   307

		if (this->vehicles.Length() == 0 && this->IsWidgetLowered(GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN)) {

   308

			this->RaiseWidget(GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN);

   309

			HideDropDownMenu(this);

   310

		}

   311

   312

		/* Disable all lists management button when the list is empty */

   313

		this->SetWidgetsDisabledState(this->vehicles.Length() == 0 || _local_company != owner,

   314

				GRP_WIDGET_STOP_ALL,

   315

				GRP_WIDGET_START_ALL,

   316

				GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN,

   317

				WIDGET_LIST_END);

   318

   319

		/* Disable the group specific function when we select the default group or all vehicles */

   320

		this->SetWidgetsDisabledState(IsDefaultGroupID(this->group_sel) || IsAllGroupID(this->group_sel) || _local_company != owner,

   321

				GRP_WIDGET_DELETE_GROUP,

   322

				GRP_WIDGET_RENAME_GROUP,

   323

				GRP_WIDGET_REPLACE_PROTECTION,

   324

				WIDGET_LIST_END);

   325

   326

		/* Disable remaining buttons for non-local companies

   327

		 * Needed while changing _local_company, eg. by cheats

   328

		 * All procedures (eg. move vehicle to another group)

   329

		 *  verify, whether you are the owner of the vehicle,

   330

		 *  so it doesn't have to be disabled

   331

		 */

   332

		this->SetWidgetsDisabledState(_local_company != owner,

   333

				GRP_WIDGET_CREATE_GROUP,

   334

				GRP_WIDGET_AVAILABLE_VEHICLES,

   335

				WIDGET_LIST_END);

   336

   337

   338

		/* If selected_group == DEFAULT_GROUP || ALL_GROUP, draw the standard caption

   339

				We list all vehicles or ungrouped vehicles */

   340

		if (IsDefaultGroupID(this->group_sel) || IsAllGroupID(this->group_sel)) {

   341

			SetDParam(0, owner);

   342

			SetDParam(1, this->vehicles.Length());

   343

   344

			switch (this->vehicle_type) {

   345

				case VEH_TRAIN:

   346

					this->widget[GRP_WIDGET_CAPTION].data = STR_881B_TRAINS;

   347

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_TRAIN;

   348

					break;

   349

				case VEH_ROAD:

   350

					this->widget[GRP_WIDGET_CAPTION].data = STR_9001_ROAD_VEHICLES;

   351

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_ROADVEH;

   352

					break;

   353

				case VEH_SHIP:

   354

					this->widget[GRP_WIDGET_CAPTION].data = STR_9805_SHIPS;

   355

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_SHIP;

   356

					break;

   357

				case VEH_AIRCRAFT:

   358

					this->widget[GRP_WIDGET_CAPTION].data =  STR_A009_AIRCRAFT;

   359

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = SPR_GROUP_REPLACE_OFF_AIRCRAFT;

   360

					break;

   361

				default: NOT_REACHED();

   362

			}

   363

		} else {

   364

			const Group *g = GetGroup(this->group_sel);

   365

   366

			SetDParam(0, g->index);

   367

			SetDParam(1, g->num_vehicle);

   368

   369

			switch (this->vehicle_type) {

   370

				case VEH_TRAIN:

   371

					this->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_TRAINS_CAPTION;

   372

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_TRAIN : SPR_GROUP_REPLACE_OFF_TRAIN;

   373

					break;

   374

				case VEH_ROAD:

   375

					this->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_ROADVEH_CAPTION;

   376

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_ROADVEH : SPR_GROUP_REPLACE_OFF_ROADVEH;

   377

					break;

   378

				case VEH_SHIP:

   379

					this->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_SHIPS_CAPTION;

   380

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_SHIP : SPR_GROUP_REPLACE_OFF_SHIP;

   381

					break;

   382

				case VEH_AIRCRAFT:

   383

					this->widget[GRP_WIDGET_CAPTION].data = STR_GROUP_AIRCRAFTS_CAPTION;

   384

					this->widget[GRP_WIDGET_REPLACE_PROTECTION].data = (g->replace_protection) ? SPR_GROUP_REPLACE_ON_AIRCRAFT : SPR_GROUP_REPLACE_OFF_AIRCRAFT;

   385

					break;

   386

				default: NOT_REACHED();

   387

			}

   388

		}

   389

   390

		/* Set text of sort by dropdown */

   391

		this->widget[GRP_WIDGET_SORT_BY_DROPDOWN].data = this->vehicle_sorter_names[this->vehicles.SortType()];

   392

   393

		this->DrawWidgets();

   394

   395

		/* Draw Matrix Group

   396

			* The selected group is drawn in white */

   397

		StringID str_all_veh, str_no_group_veh;

   398

   399

		switch (this->vehicle_type) {

   400

			case VEH_TRAIN:

   401

				str_all_veh = STR_GROUP_ALL_TRAINS;

   402

				str_no_group_veh = STR_GROUP_DEFAULT_TRAINS;

   403

				break;

   404

			case VEH_ROAD:

   405

				str_all_veh = STR_GROUP_ALL_ROADS;

   406

				str_no_group_veh = STR_GROUP_DEFAULT_ROADS;

   407

				break;

   408

			case VEH_SHIP:

   409

				str_all_veh = STR_GROUP_ALL_SHIPS;

   410

				str_no_group_veh = STR_GROUP_DEFAULT_SHIPS;

   411

				break;

   412

			case VEH_AIRCRAFT:

   413

				str_all_veh = STR_GROUP_ALL_AIRCRAFTS;

   414

				str_no_group_veh = STR_GROUP_DEFAULT_AIRCRAFTS;

   415

				break;

   416

			default: NOT_REACHED();

   417

		}

   418

		DrawString(10, y1, str_all_veh, IsAllGroupID(this->group_sel) ? TC_WHITE : TC_BLACK);

   419

   420

		y1 += 13;

   421

   422

		DrawString(10, y1, str_no_group_veh, IsDefaultGroupID(this->group_sel) ? TC_WHITE : TC_BLACK);

   423

   424

		max = min(this->vscroll2.pos + this->vscroll2.cap, this->groups.Length());

   425

		for (i = this->vscroll2.pos ; i < max ; ++i) {

   426

			const Group *g = this->groups[i];

   427

   428

			assert(g->owner == owner);

   429

   430

			y1 += PLY_WND_PRC__SIZE_OF_ROW_TINY;

   431

   432

			/* draw the selected group in white, else we draw it in black */

   433

			SetDParam(0, g->index);

   434

			DrawString(10, y1, STR_GROUP_NAME, (this->group_sel == g->index) ? TC_WHITE : TC_BLACK);

   435

   436

			/* draw the number of vehicles of the group */

   437

			SetDParam(0, g->num_vehicle);

   438

			DrawStringRightAligned(187, y1 + 1, STR_GROUP_TINY_NUM, (this->group_sel == g->index) ? TC_WHITE : TC_BLACK);

   439

		}

   440

   441

		this->DrawSortButtonState(GRP_WIDGET_SORT_BY_ORDER, this->vehicles.IsDescSortOrder() ? SBS_DOWN : SBS_UP);

   442

   443

		this->DrawVehicleListItems(x, this->vehicle_sel);

   444

	}

   445

   446

	virtual void OnClick(Point pt, int widget)

   447

	{

   448

		if (widget != GRP_WIDGET_SORT_BY_DROPDOWN && widget != GRP_WIDGET_MANAGE_VEHICLES_DROPDOWN) HideDropDownMenu(this);

   449

   450

		switch(widget) {

   451

			case GRP_WIDGET_SORT_BY_ORDER: // Flip sorting method ascending/descending

   452

				this->vehicles.ToggleSortOrder();

   453

				this->SetDirty();

   454

				break;

   455

   456

			case GRP_WIDGET_SORT_BY_DROPDOWN: // Select sorting criteria dropdown menu

   457

				ShowDropDownMenu(this, this->vehicle_sorter_names, this->vehicles.SortType(),  GRP_WIDGET_SORT_BY_DROPDOWN, 0, (this->vehicle_type == VEH_TRAIN || this->vehicle_type == VEH_ROAD) ? 0 : (1 << 10));

   458

				return;

   459

   460

			case GRP_WIDGET_ALL_VEHICLES: // All vehicles button

   461

				if (!IsAllGroupID(this->group_sel)) {

   462

					this->group_sel = ALL_GROUP;

   463

					this->vehicles.ForceRebuild();

   464

					this->SetDirty();

   465

				}

   466

				break;

   467

   468

			case GRP_WIDGET_DEFAULT_VEHICLES: // Ungrouped vehicles button

   469

				if (!IsDefaultGroupID(this->group_sel)) {

   470

					this->group_sel = DEFAULT_GROUP;

   471

					this->vehicles.ForceRebuild();

   472

					this->SetDirty();

   473

				}

   474

				break;

   475

   476

			case GRP_WIDGET_LIST_GROUP: { // Matrix Group

   477

				uint16 id_g = (pt.y - PLY_WND_PRC__OFFSET_TOP_WIDGET - 26) / PLY_WND_PRC__SIZE_OF_ROW_TINY;

   478

   479

				if (id_g >= this->vscroll2.cap) return;

   480

   481

				id_g += this->vscroll2.pos;

   482

   483

				if (id_g >= this->groups.Length()) return;

   484

   485

				this->group_sel = this->groups[id_g]->index;;

   486

   487

				this->vehicles.ForceRebuild();

   488

				this->SetDirty();

   489

				break;