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/* $Id$ */

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/** @file waypoint_gui.cpp Handling of waypoints gui. */

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#include "stdafx.h"

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#include "openttd.h"

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#include "window_gui.h"

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#include "gui.h"

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#include "textbuf_gui.h"

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#include "vehicle_gui.h"

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#include "waypoint.h"

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#include "viewport_func.h"

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#include "string_func.h"

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#include "strings_func.h"

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#include "gfx_func.h"

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#include "command_func.h"

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#include "functions.h"

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#include "window_func.h"

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#include "table/strings.h"

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struct WaypointWindow : Window {

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private:

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	Waypoint *wp;

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	enum WaypointViewWidget {

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		WAYPVW_CLOSEBOX = 0,

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		WAYPVW_CAPTION,

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		WAYPVW_STICKY,

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		WAYPVW_VIEWPORTPANEL,

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		WAYPVW_SPACER,

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		WAYPVW_CENTERVIEW,

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		WAYPVW_RENAME,

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		WAYPVW_SHOW_TRAINS,

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	};

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public:

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	WaypointWindow(const WindowDesc *desc, WindowNumber window_number) : Window(desc, window_number)

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	{

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		this->wp = GetWaypoint(this->window_number);

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		this->caption_color = this->wp->owner;

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		this->flags4 |= WF_DISABLE_VP_SCROLL;

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		InitializeWindowViewport(this, 3, 17, 254, 86, this->wp->xy, ZOOM_LVL_MIN);

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		this->FindWindowPlacementAndResize(desc);

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	}

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	~WaypointWindow()

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	{

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		DeleteWindowById(WC_TRAINS_LIST, (this->window_number << 16) | (VEH_TRAIN << 11) | VLW_WAYPOINT_LIST | this->wp->owner);

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	}

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	virtual void OnPaint()

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	{

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		/* You can only change your own waypoints */

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		this->SetWidgetDisabledState(WAYPVW_RENAME, !CheckOwnership(this->wp->owner));

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		SetDParam(0, this->wp->index);

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		this->DrawWidgets();

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		this->DrawViewport();

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	}

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	virtual void OnClick(Point pt, int widget)

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	{

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		switch (widget) {

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			case WAYPVW_CENTERVIEW: /* scroll to location */

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				if (_ctrl_pressed) {

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					ShowExtraViewPortWindow(this->wp->xy);

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				} else {

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					ScrollMainWindowToTile(this->wp->xy);

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				}

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				break;

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			case WAYPVW_RENAME: /* rename */

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				SetDParam(0, this->wp->index);

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				ShowQueryString(STR_WAYPOINT_RAW, STR_EDIT_WAYPOINT_NAME, MAX_LENGTH_WAYPOINT_NAME_BYTES, MAX_LENGTH_WAYPOINT_NAME_PIXELS, this, CS_ALPHANUMERAL, QSF_ENABLE_DEFAULT);

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				break;

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			case WAYPVW_SHOW_TRAINS: /* show list of trains having this waypoint in their orders*/

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				ShowVehicleListWindow(this->wp);

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				break;

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		}

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	}

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	virtual void OnInvalidateData(int data)

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	{

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		int x = TileX(this->wp->xy) * TILE_SIZE;

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		int y = TileY(this->wp->xy) * TILE_SIZE;

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		ScrollWindowTo(x,y, this);

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	}

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	virtual void OnQueryTextFinished(char *str)

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	{

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		if (str == NULL) return;

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		_cmd_text = str;

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		DoCommandP(0, this->window_number, 0, NULL, CMD_RENAME_WAYPOINT | CMD_MSG(STR_CANT_CHANGE_WAYPOINT_NAME));

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	}

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};

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static const Widget _waypoint_view_widgets[] = {

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

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{    WWT_CAPTION,   RESIZE_NONE,  COLOUR_GREY,    11,   247,     0,    13, STR_WAYPOINT_VIEWPORT, STR_018C_WINDOW_TITLE_DRAG_THIS},       // WAYPVW_CAPTION

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{  WWT_STICKYBOX,   RESIZE_NONE,  COLOUR_GREY,   248,   259,     0,    13, 0x0,                   STR_STICKY_BUTTON},                     // WAYPVW_STICKY

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{      WWT_PANEL,   RESIZE_NONE,  COLOUR_GREY,     0,   259,    14,   105, 0x0,                   STR_NULL},                              // WAYPVW_VIEWPORTPANEL

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{      WWT_INSET,   RESIZE_NONE,  COLOUR_GREY,     2,   257,    16,   103, 0x0,                   STR_NULL},                              // WAYPVW_SPACER

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{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,     0,   121,   106,   117, STR_00E4_LOCATION,     STR_3053_CENTER_MAIN_VIEW_ON_STATION},  // WAYPVW_CENTERVIEW

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{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   122,   244,   106,   117, STR_0130_RENAME,       STR_CHANGE_WAYPOINT_NAME},              // WAYPVW_RENAME

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{ WWT_PUSHTXTBTN,   RESIZE_NONE,  COLOUR_GREY,   245,   259,   106,   117, STR_TRAIN,             STR_SCHEDULED_TRAINS_TIP },             // WAYPVW_SHOW_TRAINS

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{   WIDGETS_END},

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};

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static const WindowDesc _waypoint_view_desc = {

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	WDP_AUTO, WDP_AUTO, 260, 118, 260, 118,

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	WC_WAYPOINT_VIEW, WC_NONE,

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	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS | WDF_STICKY_BUTTON,

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	_waypoint_view_widgets,

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};

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void ShowWaypointWindow(const Waypoint *wp)

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{

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	if (!wp->IsValid()) return;  // little safety

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	AllocateWindowDescFront<WaypointWindow>(&_waypoint_view_desc, wp->index);

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}