struct BaseGraphWindow : Window {

protected:

	static const int GRAPH_MAX_DATASETS     =  64;

	static const int GRAPH_AXIS_LINE_COLOUR =  GREY_SCALE(1);

	static const int GRAPH_ZERO_LINE_COLOUR =  GREY_SCALE(8);

	static const int GRAPH_NUM_MONTHS       =  24; ///< Number of months displayed in the graph.

	static const int MIN_GRAPH_NUM_LINES_Y  =   9; ///< Minimal number of horizontal lines to draw.

	static const int MIN_GRID_PIXEL_SIZE    =  20; ///< Minimum distance between graph lines.

	byte num_dataset;

	byte num_on_x_axis;

	byte num_vert_lines;

	/* The starting month and year that values are plotted against. If month is

	 * 0xFF, use x_values_start and x_values_increment below instead. */

		static_assert(GRAPH_MAX_DATASETS >= (int)NUM_CARGO && GRAPH_MAX_DATASETS >= (int)MAX_COMPANIES);

		assert(this->num_vert_lines > 0);

		/* Rect r will be adjusted to contain just the graph, with labels being

		 * placed outside the area. */

		r.top    += 5 + GetCharacterHeight(FS_SMALL) / 2;

		r.left   += 9;

		r.right  -= 5;

		x_axis_offset = (int)((r.bottom - r.top) * (double)interval.highest / (double)interval_size);

		/* Draw the background of the graph itself. */

		/* Draw the vertical grid lines. */

		x = r.left + x_sep;

		for (int i = 0; i < this->num_vert_lines; i++) {

			x += x_sep;

		}

		for (int i = 0; i < (num_hori_lines + 1); i++) {

			GfxFillRect(r.left - 3, y, r.left - 1, y, GRAPH_AXIS_LINE_COLOUR);

			y -= y_sep;

		}

		for (int i = 0; i < (num_hori_lines + 1); i++) {

			SetDParam(0, this->format_str_y_axis);

			SetDParam(1, y_label);

			y_label -= y_label_separation;

			y += y_sep;

		}

		if (this->month != 0xFF) {

			x = r.left;

			y = r.bottom + 2;

			Year year  = this->year;

			for (int i = 0; i < this->num_on_x_axis; i++) {

				SetDParam(0, month + STR_MONTH_ABBREV_JAN);

				month += 3;

				if (month >= 12) {

					month = 0;

					year++;

				}

				x += x_sep;

			}

		} else {

			x = r.left;

			y = r.bottom + 2;

			uint16 label = this->x_values_start;

			for (int i = 0; i < this->num_on_x_axis; i++) {

				SetDParam(0, label);

				label += this->x_values_increment;

				x += x_sep;

		uint x_label_width = 0;

		if (this->month != 0xFF) {

			byte month = this->month;

			Year year  = this->year;

			for (int i = 0; i < this->num_on_x_axis; i++) {

				SetDParam(0, month + STR_MONTH_ABBREV_JAN);

				x_label_width = std::max(x_label_width, GetStringBoundingBox(month == 0 ? STR_GRAPH_X_LABEL_MONTH_YEAR : STR_GRAPH_X_LABEL_MONTH).width);

				month += 3;

				}

			}

		} else {

			SetDParamMaxValue(0, this->x_values_start + this->num_on_x_axis * this->x_values_increment, 0, FS_SMALL);

			x_label_width = GetStringBoundingBox(STR_GRAPH_Y_LABEL_NUMBER).width;

		}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Sleutel

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Wys sleutel van grafieke

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}مفتاح

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}اظهار مفتاح الرسم البياني

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Giltza

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Erakutsi giltza grafikoetan

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Леґенда

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Паказаць леґенду да ґрафікаў

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Chave

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Exibir chave aos gráficos

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Легенда

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Покажи легендата на графиката

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Llegenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Mostra la llegenda dels gràfics

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Ključ

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Pokaži ključeve na grafikonima

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Zobrazit legendu ke grafům

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Nøgle

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Vis nøglen til grafer

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Legenda bij deze grafiek weergeven

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Key

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Show key to graphs

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING2}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Key

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Show key to graphs

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Key

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Show key to graphs

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Ŝlosilo

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Montru ŝlosilon al grafikoj

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Selgitus

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Näita selgitust graafikute juures

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Lykil

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Vís lykil til graf

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Selite

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Näytä kuvaajan selite

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Légende

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Afficher la légende

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Iuchair

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Seall iuchair nan graf

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Lenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Amosa-la lenda das gráficas

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legende

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Legende des Diagramms anzeigen

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Υπόμνημα

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Εμφάνιση υπομνήματος στα γραφήματα

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}הצג מפתחות לגרפים

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Jelkulcs

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}A grafikonok jelmagyarázata

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Lykill

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Sýna lykilmynd

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Item

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Tampilkan grafik item

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Eochair

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Taispeáin eochair na ngraf

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Mostra la legenda del grafico

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}범례

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}그래프의 범례를 보여줍니다.

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Clavis

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Monstrare formularum clavem

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Apzīmējumu atslēga

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Diagrammās rādīt apzīmējumu atslēgas

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Spalva

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Rodo žaidėjų spalvas

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legend

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Weis d'Legend vun der Grafik

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Kunci

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Tunjukkan kunci kepada graf

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Nøkkel

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Vis nøkkel for grafene

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Nøkkel

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Syne nøkkel til grafer

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Pokaż legendę na wykresie

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Chave

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Mostrar chave dos gráficos

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legendă

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Afişează legenda graficelor

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Легенда

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Показать легенду к графикам

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Legenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Prikaži legendu

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}索引

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}显示图表的公司索引

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Vyb.

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Vybrať položky na grafe

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Ključ

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Prikaži ključe grafov

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Leyenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Mostrar leyenda en gráficos

STR_GRAPH_Y_LABEL                                               :{TINY_FONT}{STRING}

STR_GRAPH_Y_LABEL_NUMBER                                        :{TINY_FONT}{COMMA}

# Graph window

STR_GRAPH_KEY_BUTTON                                            :{BLACK}Leyenda

STR_GRAPH_KEY_TOOLTIP                                           :{BLACK}Mostrar leyenda de gráficas