pxt-calliope/sim/visuals/microbit.ts

namespace pxsim.visuals {
    const MB_STYLE = `
        svg.sim {
            margin-bottom:1em;
        }
        svg.sim.grayscale {
            -moz-filter: grayscale(1);
            -webkit-filter: grayscale(1);
            filter: grayscale(1);
        }
        .sim-button-group {
            cursor: pointer;
        }
        .sim-button {
            pointer-events: none;
        }
        .sim-board, .sim-display, sim-button {
            fill: #111;
        }
        .sim-button-outer:hover {
            stroke:grey;
            stroke-width: 3px;
        }
        .sim-button-nut {
            fill:#704A4A;
            pointer-events:none;
        }
        .sim-button-nut:hover {
            stroke:1px solid #704A4A;
        }
        .sim-pin:hover {
            stroke:#D4AF37;
            stroke-width:2px;
        }

        .sim-pin-touch.touched:hover {
            stroke:darkorange;
        }

        .sim-led-back:hover {
            stroke:#fff;
            stroke-width:3px;
        }
        .sim-led:hover {
            stroke:#ff7f7f;
            stroke-width:3px;
        }

        .sim-systemled {
            fill:#333;
            stroke:#555;
            stroke-width: 1px;
        }

        .sim-light-level-button {
            stroke:#ccc;
            stroke-width: 2px;
        }

        .sim-antenna {
            fill-opacity:0.0;
            stroke:#555;
            stroke-width: 4px;
        }

        .sim-text {
            font-family:"Lucida Console", Monaco, monospace;
            font-size:14px;
            fill:#fff;
            pointer-events: none; user-select: none;
        }

        .sim-text-pin {
            font-family:"Lucida Console", Monaco, monospace;
            pointer-events: none; user-select: none;
            fill:#3cb5b5;
            font-size:24px;
            stroke:#fff;
            stroke-alignment: outside;
            paint-order: stroke;
            stroke-width: 3px;
        }

        .sim-thermometer {
            stroke:#aaa;
            stroke-width: 2px;
        }

        #rgbledcircle:hover {
            r:8px;
        }

        .inverted {
            fill:#000;
            stroke:#fff;
            stroke-alignment: outside;
            paint-order: stroke;
            stroke-width: 3px;
        }
        .big {
            font-size:24px;
            font-weight: bold;
        }
        .centered {
            transform: translateX(-1.5ch);
            text-align: center;
        }

        /* animations */
        .sim-theme-glow {
            animation-name: sim-theme-glow-animation;
            animation-timing-function: ease-in-out;
            animation-direction: alternate;
            animation-iteration-count: infinite;
            animation-duration: 1.25s;
        }
        @keyframes sim-theme-glow-animation {
            from { opacity: 1; }
            to   { opacity: 0.75; }
        }

        .sim-flash {
            animation-name: sim-flash-animation;
            animation-duration: 0.1s;
        }

        @keyframes sim-flash-animation {
            from { fill: yellow; }
            to   { fill: default; }
        }

        .sim-flash-stroke {
            animation-name: sim-flash-stroke-animation;
            animation-duration: 0.4s;
            animation-timing-function: ease-in;
        }

        @keyframes sim-flash-stroke-animation {
            from { stroke: yellow; }
            to   { stroke: default; }
        }

        /* wireframe */
        .sim-wireframe * {
            fill: none;
            stroke: black;
        }
        .sim-wireframe .sim-display,
        .sim-wireframe .sim-led,
        .sim-wireframe .sim-led-back,
        .sim-wireframe .sim-head,
        .sim-wireframe .sim-theme,
        .sim-wireframe .sim-button-group,
        .sim-wireframe .sim-button-label,
        .sim-wireframe .sim-button,
        .sim-wireframe .sim-text-pin
        {
            visibility: hidden;
        }
        .sim-wireframe .sim-label
        {
            stroke: none;
            fill: #777;
        }
        .sim-label, .sim-button-label {
            fill: #000;
        }
        .sim-wireframe .sim-board {
            stroke-width: 2px;
        }
        *:focus {
            outline: none;
        }
        *:focus .sim-button-outer,
        .sim-pin:focus,
        .sim-thermometer:focus,
        .sim-shake:focus,
        .sim-light-level-button:focus {
            stroke: #4D90FE;
            stroke-width: 5px !important;
        }
        .no-drag, .sim-text, .sim-text-pin {
            user-drag: none;
            user-select: none;
            -moz-user-select: none;
            -webkit-user-drag: none;
            -webkit-user-select: none;
            -ms-user-select: none;
        }
    `;
    const BOARD_SVG = `<?xml version="1.0" encoding="utf-8"?>
    <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px"
         y="0px" viewBox="0 0 530 530" style="enable-background:new 0 0 530 530;" xml:space="preserve">
    <style type="text/css">
        .st0{fill:#044854;}
        .st1{fill:none;stroke:#989899;stroke-width:0.5;stroke-linecap:square;stroke-miterlimit:10;}
        .st2{fill:none;stroke:#FFFFFF;stroke-width:1.2;stroke-miterlimit:10;}
        .st3{fill:#FFFFFF;}
        .st4{fill:none;stroke:#FFFFFF;stroke-width:0.5;stroke-miterlimit:10;}
        .st5{fill:none;stroke:#FFFFFF;stroke-width:0.6;stroke-linecap:square;stroke-miterlimit:10;}
        .st6{fill:none;stroke:#FFFFFF;stroke-width:0.5;stroke-linecap:round;stroke-miterlimit:10;}
        .st7{fill:none;stroke:#FFFFFF;stroke-width:0.6;stroke-miterlimit:10;}
        .st8{fill:none;stroke:#FFFFFF;stroke-width:0.4;stroke-linecap:round;stroke-linejoin:round;}
        .st9{fill:none;stroke:#FFFFFF;stroke-width:0.6;stroke-linecap:round;stroke-linejoin:round;}
        .st10{fill:none;stroke:#000000;stroke-width:0.4;stroke-miterlimit:10;}
        .st11{fill:#F6C426;}
        .st12{fill:#E0DAAD;}
        .st13{fill:#BCCAC3;}
        .st14{opacity:0.7;fill:#48525F;enable-background:new    ;}
        .st15{fill:#42C9C9;}
        .st16{fill:#E6007D;}
        .st17{fill:#000000;}
    </style>
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        <circle cx="88.3" cy="239.7" r="3.8"/>
        <circle cx="64.2" cy="227.2" r="3.8"/>
        <circle id="BTN_A" class="st15" cx="82.2" cy="221.6" r="11.6"/>
    </g>
    <g id="Button_B">
        <path class="st3" d="M435.4,238.5L399.6,225c-14.3-6.7-0.4-36.2,13.9-29.4l26.1,8.9L435.4,238.5z"/>
        
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            <rect x="420.4" y="199.5" transform="matrix(0.8889 -0.458 0.458 0.8889 -47.2486 216.6963)" class="st11" width="5.6" height="12.6"/>
        <path class="st0" d="M407,201c1.7-0.1,3.4,0.3,4.8,1.2c1.1,0.8,1.8,2.1,1.7,3.5c0,0.8-0.2,1.5-0.6,2.1c-0.5,0.6-1.1,1.1-1.8,1.4
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        <circle cx="464.9" cy="227.2" r="3.8"/>
        
            <ellipse id="BTN_B" transform="matrix(0.1602 -0.9871 0.9871 0.1602 157.3084 627.5282)" class="st16" cx="447.4" cy="221.3" rx="11.6" ry="11.6"/>
    </g>

    <rect id="LED_0_0" x="210.7" y="146.2" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_1_0" x="236.8" y="146.2" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_2_0" x="262.7" y="146.2" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_3_0" x="288.7" y="146.2" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_4_0" x="314.6" y="146.2" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_0_1" x="210.7" y="171.7" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_1_1" x="236.8" y="171.7" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_2_1" x="262.7" y="171.7" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_3_1" x="288.7" y="171.7" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_4_1" x="314.6" y="171.7" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_0_2" x="210.7" y="197" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_1_2" x="236.8" y="197" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_2_2" x="262.7" y="197" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_3_2" x="288.7" y="197" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_4_2" x="314.6" y="197" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_0_3" x="210.7" y="222.5" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_1_3" x="236.8" y="222.5" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_2_3" x="262.7" y="222.5" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_3_3" x="288.7" y="222.5" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_4_3" x="314.6" y="222.5" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_0_4" x="210.7" y="247.8" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_1_4" x="236.8" y="247.8" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_2_4" x="262.7" y="247.8" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_3_4" x="288.7" y="247.8" class="st6" width="5.1" height="12.9"/>
    <rect id="LED_4_4" x="314.6" y="247.8" class="st6" width="5.1" height="12.9"/>

    <g id="PINS">
        <g id="C_GND4">
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        </g>
        <g id="C_VCC2">
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        </g>
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        </g>
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        </g>
        <g id="C_P17">
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        </g>
        <g id="C_P16">
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        </g>
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        </g>
        <g id="C_P14">
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        </g>
        <g id="C_P13">
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        </g>
        <g id="C_P12">
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        </g>
        <g id="C_P11">
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        </g>
        <g id="C_P10">
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        </g>
        <g id="C_GND3">
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        </g>
        <g id="C_GND2">
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            <circle class="st17" cx="265.7" cy="439.6" r="2.2"/>
        </g>
        <g id="C_P9">
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            <circle class="st17" cx="248.2" cy="422" r="2.2"/>
        </g>
        <g id="C_P8">
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        </g>
        <g id="C_P7">
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        </g>
        <g id="C_P6">
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        </g>
        <g id="C_P5">
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        </g>
        <g id="C_P4">
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        </g>
        <g id="C_P3">
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        </g>
        <g id="C_P2">
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        </g>
        <g id="C_P1">
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        </g>
        <g id="C_P0">
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        </g>
        <g id="C_VCC1">
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            <circle class="st17" cx="160.7" cy="422" r="2.2"/>
        </g>
        <g id="C_GND1">
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            <circle class="st17" cx="160.7" cy="439.6" r="2.2"/>
        </g>
    </g>
    <g id="Motor_Pins">
        <g id="M_GND3">
            <circle class="st11" cx="304.8" cy="389.3" r="5.2"/>
            <circle class="st17" cx="304.8" cy="389.3" r="2.2"/>
        </g>
        <g id="M_VM">
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            <circle class="st17" cx="288.4" cy="391.7" r="2.2"/>
        </g>
        <g id="M_GND2">
            <circle class="st11" cx="272.1" cy="389.3" r="5.2"/>
            <circle class="st17" cx="272.1" cy="389.3" r="2.2"/>
        </g>
        <g id="M_OUT2">
            <circle class="st11" cx="255.8" cy="391.7" r="5.2"/>
            <circle class="st17" cx="255.8" cy="391.7" r="2.2"/>
        </g>
        <g id="M_OUT1">
            <circle class="st11" cx="239.4" cy="389.3" r="5.2"/>
            <circle class="st17" cx="239.4" cy="389.3" r="2.2"/>
        </g>
        <g id="M_GND1">
            <circle class="st11" cx="223.1" cy="391.7" r="5.2"/>
            <circle class="st17" cx="223.1" cy="391.7" r="2.2"/>
        </g>
    </g>
    <g id="EDGE_PINS">
        <path id="EDGE_P3" class="st11" d="M520.9,231.4c-18.5,0-33.5,15-33.5,33.5c0,18.5,15,33.5,33.5,33.5
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        <path id="EDGE_P1" class="st11" d="M137.1,452c-18.5,0-33.5,15-33.5,33.5c0,18.5,15,33.5,33.5,33.5c18.5,0,33.5-15,33.5-33.5
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        <path id="EDGE_P0" class="st11" d="M8.1,231.4c-18.5,0-33.5,15-33.5,33.5c0,18.5,15,33.5,33.5,33.5c18.4,0,33.4-14.9,33.5-33.4
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    </svg>`;

    const pinNames = [
        "BTN_A", "BTN_B",
        "EDGE_P0", "EDGE_P1", "EDGE_P2", "EDGE_P3", "EDGE_GND", "EDGE_VCC",
        "C_GND1", "C_GND2", "C_GND3", "C_GND4", "C_VCC1", "C_VCC2",
        "C_P0", "C_P2", "C_P4", "C_P6", "C_P8", "C_P10", "C_P12", "C_P14", "C_P16", "C_P18",
        "C_P1", "C_P3", "C_P5", "C_P7", "C_P9", "C_P11", "C_P13", "C_P15", "C_P17", "C_P19",
        "M_GND1", "M_GND2", "M_GND3", "M_OUT1", "M_OUT2", "M_VM",
        "G_A0_GND", "G_A0_VCC", "G_A0_SDA", "G_A0_SCL",
        "G_A1_RX", "G_A1_TX", "G_A1_VCC", "G_A1_GND"
    ];
    const pinTitles = [
        "Button A", "Button B",
        "P0", "P1, ANALOG IN", "P2, ANALOG IN", "P3", "GND", "+3v3",
        "GND", "GND", "GND", "GND", "+3v3", "+3v3",
        "C0", "C2", "C4", "C6", "C8", "C10", "C12", "C14", "C16", "C18",
        "C1", "C3", "C5", "C7", "C9", "C11", "C13", "C15", "C17", "C19",
        "GND", "GND", "GND", "MOTOR B", "MOTOR A", "MOTOR VM",
        "GND", "+3v3", "C18, I2C - SDA", "C19, I2C - SCL",
        "C16, Serial - RX", "C17, Serial - TX", "+3v3", "GND"
    ];
    const MB_WIDTH = 530;
    const MB_HEIGHT = 530;
    export interface IBoardTheme {
        accent?: string;
        display?: string;
        pin?: string;
        pinTouched?: string;
        pinActive?: string;
        ledOn?: string;
        ledOff?: string;
        buttonOuter?: string;
        buttonUps: string[];
        buttonDown?: string;
        virtualButtonOuter?: string;
        virtualButtonUp?: string;
        virtualButtonDown?: string;
        lightLevelOn?: string;
        lightLevelOff?: string;
        soundLevelOn?: string;
        soundLevelOff?: string;
    }

    export var themes: IBoardTheme[] = ["#3ADCFE"].map(accent => {
        return {
            accent: accent,
            pin: "#EFDA48",
            pinTouched: "#FFA500",
            pinActive: "#FF5500",
            ledOn: "#ff5555",
            ledOff: "#e0e1e2",
            buttonOuter: "#979797",
            buttonUps: ["#186A8C", "#D82E50"],
            buttonDown: "#FFA500",
            virtualButtonDown: "#FFA500",
            virtualButtonOuter: "#333",
            virtualButtonUp: "#fff",
            lightLevelOn: "#555",
            lightLevelOff: "yellow",
            soundLevelOn: "#3ADCFE",
            soundLevelOff: "#555"
        }
    });

    export function randomTheme(): IBoardTheme {
        return themes[Math.floor(Math.random() * themes.length)];
    }

    export interface IBoardProps {
        runtime?: pxsim.Runtime;
        theme?: IBoardTheme;
        wireframe?: boolean;
        disableTilt?: boolean;
    }

    export class MicrobitBoardSvg implements BoardView {
        public element: SVGSVGElement;
        private style: SVGStyleElement;
        private defs: SVGDefsElement;
        private g: SVGGElement;
        private pkg: SVGPathElement;
        private logos: SVGElement[];
        private headg: SVGGElement;
        private head: SVGGElement;
        private headParts: SVGElement;
        private headInitialized = false;
        private heads: SVGElement[];
        private headText: SVGTextElement;
        private display: SVGElement;
        private buttons: SVGElement[];
        private buttonsOuter: SVGElement[];
        private buttonABText: SVGTextElement;
        private pins: SVGElement[];
        private pinGradients: SVGLinearGradientElement[];
        private pinTexts:{ [key: number]: SVGTextElement };
        private ledsOuter: SVGElement[];
        private leds: SVGElement[];
        private microphoneLed: SVGElement;
        private systemLed: SVGCircleElement;
        private antenna: SVGPolylineElement;
        private rssi: SVGTextElement;
        private lightLevelButton: SVGCircleElement;
        private lightLevelGradient: SVGLinearGradientElement;
        private lightLevelText: SVGTextElement;
        private thermometerGradient: SVGLinearGradientElement;
        private thermometer: SVGRectElement;
        private thermometerText: SVGTextElement;
        private soundLevelGradient: SVGLinearGradientElement;
        private soundLevel: SVGRectElement;
        private soundLevelText: SVGTextElement;
        private soundLevelIcon: SVGTextElement;
        private shakeButton: SVGElement;
        private shakeText: SVGTextElement;
        public board: pxsim.DalBoard;
        private domHardwareVersion = 1;
        private rgbLed: SVGElement;
        private pinNmToCoord: Map<Coord> = {
			"EXT_PWR": [
				92.30997467041016,
				-42.92474937438965
			],
			"SPKR": [
				106.44635391235352,
				-16.370698928833008
			],
			"BTN_A": [
				93.8138427734375,
				56.631452560424805
			],
			"BTN_B": [
				204.92835235595703,
				56.631452560424805
			],
			// rings
			"EDGE_P0": [
				56.002254486083984,
				95.43130111694336
			],
			"EDGE_P1": [
				103.00893783569336,
				175.82388305664062
			],
			"EDGE_P2": [
				195.90512084960938,
				175.3082733154297
			],
			"EDGE_P3": [
				241.79466247558594,
				95.3883285522461
			],
			"EDGE_GND": [
				103.00893783569336,
				14.86682915687561
			],
			"EDGE_VCC": [
				195.64733123779297,
				14.86682915687561
			],
			"C_GND1": [
				113.1493148803711,
				159.83989715576172
			],
			"C_GND2": [
				150.27342987060547,
				159.83989715576172
			],
			"C_GND3": [
				150.27342987060547,
				153.5666275024414
			],
			"C_GND4": [
				187.39752960205078,
				153.5666275024414
			],
			"C_VCC1": [
				187.39752960205078,
				159.83989715576172
			],
			"C_VCC2": [
				113.1922836303711,
				153.5666275024414
			],
			"C_P0": [
				119.33667373657227,
				159.83989715576172
			],			
			"C_P2": [
				125.52401733398438,
				159.83989715576172
			],
			"C_P4": [
				131.71136474609375,
				159.83989715576172
			],
			"C_P6": [
				137.89871978759766,
				159.83989715576172
			],
			"C_P8": [
				144.08607482910156,
				159.83989715576172
			],
			"C_P10": [
				156.46077728271484,
				159.83989715576172
			],
			"C_P12": [
				162.64812469482422,
				159.83989715576172
			],
			"C_P14": [
				168.83545684814453,
				159.83989715576172
			],
			"C_P16": [
				175.02281951904297,
				159.83989715576172
			],
			"C_P20": [
				181.2101821899414,
				159.83989715576172
			],
			"C_P1": [
				119.379638671875,
				153.5666275024414
			],
			"C_P3": [
				125.56698226928711,
				153.5666275024414
			],
			"C_P5": [
				131.71136474609375,
				153.5666275024414
			],
			"C_P7": [
				137.89871978759766,
				153.5666275024414
			],
			"C_P9": [
				144.08607482910156,
				153.5666275024414
			],
			"C_P11": [
				156.46077728271484,
				153.5666275024414
			],
			"C_P13": [
				162.64812469482422,
				153.5666275024414
			],
			"C_P15": [
				168.83545684814453,
				153.5666275024414
			],
			"C_P21": [
				175.02281951904297,
				153.5666275024414
			],
			"C_P19": [
				181.2101821899414,
				153.5666275024414
			],
			"M_GND1": [
				137.89871978759766,
				141.70752716064453
			],
			"M_GND2": [
				156.46077728271484,
				141.70752716064453
            ],
            "M_GND3": [
				168.83547210693360,
				141.70752716064453
			],
			"M_OUT1": [
				144.08607482910156,
				141.70752716064453
			],
			"M_OUT2": [
				150.27342987060547,
				141.70752716064453
			],
			"M_VM": [
				162.64812469482422,
				141.70752716064453
			],
			"G_A0_GND": [
				82.47036743164062,
				72.35763549804688
			],
			"G_A0_VCC": [
				78.34546279907227,
				76.3106689453125
			],
			"G_A0_SDA": [
				74.65023803710938,
				80.00588989257812
			],
			"G_A0_SCL": [
				70.43940734863281,
				84.21672821044922
			],
			"G_A1_RX": [
				216.52963256835938,
				71.4982795715332
			],
			"G_A1_TX": [
				220.65453338623047,
				75.53724670410156
			],
			"G_A1_VCC": [
				224.34976959228516,
				79.23247528076172
			],
			"G_A1_GND": [
				228.56060028076172,
				83.44330978393555
			]
		};

        constructor(public props: IBoardProps) {
            
            this.buildDom();
            if (props && props.wireframe)
                U.addClass(this.element, "sim-wireframe");

            if (props && props.theme)
                this.updateTheme();

            if (props && props.runtime) {
                this.board = this.props.runtime.board as pxsim.DalBoard;
                this.board.updateSubscribers.push(() => this.updateState());
                this.updateState();
                this.attachEvents();
            }
        }

        public getView(): SVGAndSize<SVGSVGElement> {
            return {
                el: this.element,
                y: 0,
                x: 0,
                w: MB_WIDTH,
                h: MB_HEIGHT
            };
        }

        public getCoord(pinNm: string): Coord {
            return this.pinNmToCoord[pinNm];
        }

        public highlightPin(pinNm: string): void {
            //TODO: for instructions
        }

        public getPinDist(): number {
            return 10;
        }

        private recordPinCoords() {
			pinNames.forEach((nm, i) => {
				const p = this.pins[i];
				const r = p.getBoundingClientRect();
                this.pinNmToCoord[nm] = [r.left + r.width / 2, r.top + r.height / 2];
            });
        }

        private updateTheme() {
            let theme = this.props.theme;

            svg.fills(this.leds, theme.ledOn);
            svg.fills(this.ledsOuter, theme.ledOff);
            svg.fills(this.buttonsOuter.slice(0, 2), theme.buttonOuter);
            svg.fill(this.buttons[0], theme.buttonUps[0]);
            svg.fill(this.buttons[1], theme.buttonUps[1]);
            svg.fill(this.buttonsOuter[2], theme.virtualButtonOuter);
            svg.fill(this.buttons[2], theme.virtualButtonUp);
            if (this.shakeButton) svg.fill(this.shakeButton, theme.virtualButtonUp);

            this.pinGradients.forEach(lg => svg.setGradientColors(lg, theme.pin, theme.pinActive));
            svg.setGradientColors(this.lightLevelGradient, theme.lightLevelOn, theme.lightLevelOff);
            svg.setGradientColors(this.soundLevelGradient, theme.soundLevelOff, theme.soundLevelOn);
            svg.setGradientColors(this.thermometerGradient, theme.ledOff, theme.ledOn);
        }

        public updateState() {
            let state = this.board;
            if (!state) return;
            let theme = this.props.theme;

            this.updateMicrophone();
            this.updatePins();
            this.updateTilt();
            this.updateHeading();
            this.updateLightLevel();
            this.updateTemperature();
            this.updateButtonAB();
            this.updateGestures();
            this.updateRgbLed();
			this.updateSpeaker();
            this.updateRSSI();

            let bpState = state.buttonPairState;
            let buttons = [bpState.aBtn, bpState.bBtn, bpState.abBtn];
            buttons.forEach((btn, index) => {
                svg.fill(this.buttons[index], btn.pressed ? (btn.virtual ? theme.virtualButtonDown : theme.buttonDown) : (btn.virtual ? theme.virtualButtonUp : theme.buttonUps[index]));
            });

            if (state.ledMatrixState.disabled) {
                this.leds.forEach((led, i) => {
                    const sel = (<SVGStyleElement><any>led)
                    sel.style.opacity = "0";
                })
            } else {
                const bw = state.ledMatrixState.displayMode == pxsim.DisplayMode.bw
                const img = state.ledMatrixState.image;
                const br = state.ledMatrixState.brigthness != undefined ? state.ledMatrixState.brigthness : 255;
                this.leds.forEach((led, i) => {
                    const sel = (<SVGStyleElement><any>led)
                    let imgbr = bw ? (img.data[i] > 0 ? br : 0) : img.data[i];
                    // correct brightness
                    const opacity = imgbr > 0 ? imgbr / 255 * 155 + 100 : 0;
                    const transfrom = imgbr > 0 ? imgbr / 255 * 0.4 + 0.6 : 0;
                    sel.style.opacity = (opacity / 255) + "";
                    if (transfrom > 0) {
                        (sel.style as any).transformBox = 'fill-box';
                        sel.style.transformOrigin = '50% 50%';
                        sel.style.transform = `scale(${transfrom})`;
                    }
                })
            }
            

            if (!runtime || runtime.dead) U.addClass(this.element, "grayscale");
            else U.removeClass(this.element, "grayscale");
        }

        private updateRgbLed() {
            let state = this.board;
            if (state.rgbLedState) {
                if (!this.rgbLed)
                    this.rgbLed = this.element.getElementById("rgbledcircle") as SVGCircleElement;
                const c = state.rgbLedState;
                const b = c & 0xFF;
                const g = (c >> 8) & 0xFF;
                const r = (c >> 16) & 0xFF;
                const w = (c >> 24) & 0xFF;
                const ch = `rgba(${r}, ${g}, ${b}, 1)`;
                svg.fill(this.rgbLed, ch);
            } else if (this.rgbLed) {
                svg.fill(this.rgbLed, 'white');
            }
        }

		private updateSpeaker() {
            let state = this.board;
			if (state.speakerState.frequency) {
				
			} else {

			}			
		}

        private updateGestures() {
            let state = this.board;
            if (state.accelerometerState.useShake && !this.shakeButton) {
                let shake = this.mkBtn(280, MB_HEIGHT - 45);
                this.shakeButton = shake.inner;
                svg.fill(this.shakeButton, this.props.theme.virtualButtonUp)
                svg.buttonEvents(shake.outer,
                    ev => { },
                    (ev) => {
                        svg.fill(this.shakeButton, this.props.theme.virtualButtonDown)
                    },
                    (ev) => {
                        svg.fill(this.shakeButton, this.props.theme.virtualButtonUp);
                        this.board.bus.queue(DAL.MICROBIT_ID_GESTURE, 11); // GESTURE_SHAKE
                    }
                )
                let shakeText = svg.child(shake.outer, "text", { x: 280, y: MB_HEIGHT - 5, class: "sim-text big inverted centered" }) as SVGTextElement;
                shakeText.textContent = "SHAKE"
            }
        }

        private updateMicrophone() {
            const b = board();
            if (!b || !b.microphoneState.sensorUsed) return;
            this.updateSoundLevel();
        }

        private updateButtonAB() {
            let state = this.board;
            if (state.buttonPairState.usesButtonAB && (<any>this.buttons[2]).style.visibility != "visible") {
                (<any>this.buttonsOuter[2]).style.visibility = "visible";
                (<any>this.buttons[2]).style.visibility = "visible";
                this.updateTheme();
            }
        }

        private updateRSSI() {
            let state = this.board;
            if (!state) return;
            const v = state.radioState.datagram.rssi;
            if (v === undefined) return;

            if (!this.rssi) {
                let ax = 380;
                let dax = 18;
                let ayt = 10;
                let ayb = 40;
                const wh = dax * 5;
                for (let i = 0; i < 4; ++i)
                    svg.child(this.g, "rect", { x: ax - 90 + i * 6, y: ayt + 28 - i * 4, width: 4, height: 2 + i * 4, fill: "#fff" })
                this.rssi = svg.child(this.g, "text", { x: ax - 64, y: ayb, class: "sim-text" }) as SVGTextElement;
                this.rssi.textContent = "";
            }

            const vt = v.toString();
            if (vt !== this.rssi.textContent) {
                this.rssi.textContent = v.toString();
                this.antenna.setAttribute("aria-valuenow", this.rssi.textContent);
                accessibility.setLiveContent(this.rssi.textContent);
            }
        }


        private updatePin(pin: Pin, index: number) {
            if (!pin) return;
            let text = this.pinTexts[pin.id];
            let v = "";
            if (pin.mode & PinFlags.Analog) {
                v = Math.floor(100 - (pin.value || 0) / 1023 * 100) + "%";
                if (text) text.textContent = (pin.period ? "~" : "") + (pin.value || 0) + "";
            }
            else if (pin.mode & PinFlags.Digital) {
                v = pin.value > 0 ? "0%" : "100%";
                if (text) text.textContent = pin.value > 0 ? "1" : "0";
            }
            else if (pin.mode & PinFlags.Touch) {
                v = pin.touched ? "0%" : "100%";
                if (text) text.textContent = v;
            } else {
                v = "100%";
                if (text) text.textContent = "";
            }
            if (v) svg.setGradientValue(this.pinGradients[index], v);

            if (pin.mode !== PinFlags.Unused) {
                accessibility.makeFocusable(this.pins[index]);
                accessibility.setAria(this.pins[index], "slider", this.pins[index].firstChild.textContent);
                this.pins[index].setAttribute("aria-valuemin", "0");
                this.pins[index].setAttribute("aria-valuemax", pin.mode & PinFlags.Analog ? "1023" : "100");
                this.pins[index].setAttribute("aria-orientation", "vertical");
                this.pins[index].setAttribute("aria-valuenow", text ? text.textContent : v);
                accessibility.setLiveContent(text ? text.textContent : v);
            }
        }

        private updateTemperature() {
            let state = this.board;
            if (!state || !state.thermometerState.usesTemperature) return;

            let tmin = -5;
            let tmax = 50;
            if (!this.thermometer) {
                let gid = "gradient-thermometer";
                this.thermometerGradient = svg.linearGradient(this.defs, gid);
				const ty = MB_HEIGHT - 200;
                this.thermometer = <SVGRectElement>svg.child(this.g, "rect", {
                    class: "sim-thermometer",
                    x: 0,
                    y: ty,
                    width: 30,
                    height: 160,
                    rx: 5,
                    ry: 5,
                    fill: `url(#${gid})`
                });
                this.thermometerText = svg.child(this.g, "text", {
					class: 'sim-text big inverted centered',
					x: 15,
                    y: ty + 190
				}) as SVGTextElement;
                this.updateTheme();

                let pt = this.element.createSVGPoint();
                svg.buttonEvents(this.thermometer,
                    // move
                    (ev) => {
                        let cur = svg.cursorPoint(pt, this.element, ev);
                        let t = Math.max(0, Math.min(1, (cur.y - ty) / 160))
                        state.thermometerState.temperature = Math.floor(tmax - t * (tmax - tmin));
                        this.updateTemperature();
                    }, 
                    // start
                    ev => { }, 
                    // stop
                    ev => { },
                    // keydown
                    (ev) => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            state.thermometerState.temperature--;
                            if(state.thermometerState.temperature < tmin) state.thermometerState.temperature = tmin;
                            this.updateTemperature();
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            state.thermometerState.temperature++
                            if(state.thermometerState.temperature > tmax) state.thermometerState.temperature = tmax;
                            this.updateTemperature();
                        }
                    })
            }

            accessibility.makeFocusable(this.thermometer);
            accessibility.setAria(this.thermometer, "slider", pxsim.localization.lf("Temperature Level"));
            this.thermometer.setAttribute("aria-valuemin", tmin + "");
            this.thermometer.setAttribute("aria-valuemax", tmax + "");
            this.thermometer.setAttribute("aria-orientation", "vertical");
            this.thermometer.setAttribute("aria-valuenow", state.thermometerState.temperature + "");
            this.thermometer.setAttribute("aria-valuetext", state.thermometerState.temperature + "");

            let t = Math.max(tmin, Math.min(tmax, state.thermometerState.temperature))
            let per = Math.floor((state.thermometerState.temperature - tmin) / (tmax - tmin) * 100)
            svg.setGradientValue(this.thermometerGradient, 100 - per + "%");
            this.thermometerText.textContent = t + "°C";
            this.thermometer.setAttribute("aria-valuenow", t.toString());
            this.thermometer.setAttribute("aria-valuetext", t + "°C");
            accessibility.setLiveContent(t + "°C");
        }

        private updateSoundLevel() {
            let state = this.board;
            if (!state || !state.microphoneState.sensorUsed) return;

            const tmin = 0 // state.microphoneState.min;
            const tmax = 255 //state.microphoneState.max;
            if (!this.soundLevel) {
                const level = state.microphoneState.getLevel();
                let gid = "gradient-soundlevel";
                this.soundLevelGradient = svg.linearGradient(this.defs, gid);
                const ty = MB_HEIGHT - 200;
                this.soundLevel = <SVGRectElement>svg.child(this.g, "rect", {
                    class: "sim-thermometer",
                    x: 490,
                    y: ty,
                    width: 30,
                    height: 160,
                    rx: 5,
                    ry: 5,
                    fill: `url(#${gid})`
                });
                this.soundLevelText = svg.child(this.g, "text", { 
                    class: 'sim-text big inverted centered', 
                    x: 505, 
                    y: ty + 190 
                }) as SVGTextElement;
                this.soundLevelIcon = svg.child(this.g, "svg", {
                    x: 495,
                    y: 400,
                    viewbox: "0 0 20 29",
                    role: "img",
                }) as SVGTextElement;
                this.soundLevelIcon.setAttribute("aria-hidden", "true");
                this.soundLevelIcon.setAttribute("focusable", "false");
                this.soundLevelIcon.setAttribute("style", "pointer-events: none; opacity: 0.8; width: 20px;");
                svg.child(this.soundLevelIcon, "path", {
                    fill: "white",
                    d: "M 10 19.9375 C 13.011719 19.9375 15.453125 17.503906 15.453125 14.5 L 15.453125 5.4375 C 15.453125 2.433594 13.011719 0 10 0 C 6.988281 0 4.546875 2.433594 4.546875 5.4375 L 4.546875 14.5 C 4.546875 17.503906 6.988281 19.9375 10 19.9375 Z M 19.089844 10.875 L 18.183594 10.875 C 17.679688 10.875 17.273438 11.28125 17.273438 11.78125 L 17.273438 14.5 C 17.273438 18.738281 13.609375 22.136719 9.273438 21.714844 C 5.496094 21.347656 2.726562 17.960938 2.726562 14.175781 L 2.726562 11.78125 C 2.726562 11.28125 2.320312 10.875 1.816406 10.875 L 0.910156 10.875 C 0.40625 10.875 0 11.28125 0 11.78125 L 0 14.054688 C 0 19.132812 3.632812 23.660156 8.636719 24.347656 L 8.636719 26.28125 L 5.453125 26.28125 C 4.953125 26.28125 4.546875 26.6875 4.546875 27.1875 L 4.546875 28.09375 C 4.546875 28.59375 4.953125 29 5.453125 29 L 14.546875 29 C 15.046875 29 15.453125 28.59375 15.453125 28.09375 L 15.453125 27.1875 C 15.453125 26.6875 15.046875 26.28125 14.546875 26.28125 L 11.363281 26.28125 L 11.363281 24.367188 C 16.234375 23.703125 20 19.535156 20 14.5 L 20 11.78125 C 20 11.28125 19.59375 10.875 19.089844 10.875 Z M 19.089844 10.875 "
                });
                if (this.props.runtime)
                    this.props.runtime.environmentGlobals[pxsim.localization.lf("sound level")] = state.microphoneState.getLevel();
                this.updateTheme();

                let pt = this.element.createSVGPoint();
                svg.buttonEvents(this.soundLevel,
                    // move
                    (ev) => {
                        let cur = svg.cursorPoint(pt, this.element, ev);
                        let t = Math.max(0, Math.min(1, (cur.y - ty) / 160)) * tmax
                        console.log(tmax - t);
                        state.microphoneState.setLevel( Math.floor(tmax - t));
                        // state.microphoneState.setLevel(Math.floor(tmin + t * (tmax - tmin)));
                        this.updateMicrophone();
                    },
                    // start
                    ev => { },
                    // stop
                    ev => { },
                    // keydown
                    (ev) => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            state.microphoneState.setLevel(state.microphoneState.getLevel() - 1);
                            if(state.microphoneState.getLevel() < tmin) state.microphoneState.setLevel(tmin);
                            this.updateMicrophone();
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            state.microphoneState.setLevel(state.microphoneState.getLevel() + 1);
                            if(state.microphoneState.getLevel() > tmax) state.microphoneState.setLevel(tmax);
                            this.updateMicrophone();
                        }
                    })

                accessibility.makeFocusable(this.soundLevel);
                accessibility.setAria(this.soundLevel, "slider", pxsim.localization.lf("Sound Level"));
                this.soundLevel.setAttribute("aria-valuemin", tmin + "");
                this.soundLevel.setAttribute("aria-valuemax", tmax + "");
                this.soundLevel.setAttribute("aria-orientation", "vertical");
                this.soundLevel.setAttribute("aria-valuenow", level + "");
                this.soundLevel.setAttribute("aria-valuetext", level + "");
            }

            let t = Math.max(tmin, Math.min(tmax, state.microphoneState.getLevel()))
            let per = Math.floor((state.microphoneState.getLevel() - tmin) / (tmax - tmin) * 100)
            svg.setGradientValue(this.soundLevelGradient, (100 - per) + "%");
            this.soundLevelText.textContent = t + "";
            this.soundLevel.setAttribute("aria-valuenow", t.toString());
            this.soundLevel.setAttribute("aria-valuetext", t + "");
            accessibility.setLiveContent(t + "");
        }

        private updateHeading() {
            const valMin = 0;
            const valMax = 360;
            let xc = 501.2;
            let yc = 75;
            let state = this.board;
            if (!state || !state.compassState.usesHeading) return;
            // /*
            if (!this.headInitialized) {
                let p = this.heads[1];
                <SVGGElement>svg.child(p, "circle", {style: "fill:#DDDDDD55;stroke:#3A3A3A;", cx: "501.2", cy: "75", r: "55" });
                <SVGGElement>svg.child(p, "polyline", {style: "fill:#008EEF;stroke:#3A3A3A;", points: "517.7,75 501.1,140.2 484.6,75" });
                <SVGGElement>svg.child(p, "polyline", {style: "fill:#FF3951;stroke:#3A3A3A;", points: "484.6,75 501.1,9.5 517.7,75" });
                <SVGGElement>svg.child(p, "circle", {style: "fill:#748476;stroke:#3A3A3A;", cx: "501.1", cy: "75", r: "16.5" });
                <SVGGElement>svg.child(p, "circle", {style: "fill:#CCDBCE;", cx: "501.1", cy: "75", r: "10" });
                // p.setAttribute("d", "m269.9,50.134647l0,0l-39.5,0l0,0c-14.1,0.1 -24.6,10.7 -24.6,24.8c0,13.9 10.4,24.4 24.3,24.7l0,0l39.6,0c14.2,0 40.36034,-22.97069 40.36034,-24.85394c0,-1.88326 -26.06034,-24.54606 -40.16034,-24.64606m-0.2,39l0,0l-39.3,0c-7.7,-0.1 -14,-6.4 -14,-14.2c0,-7.8 6.4,-14.2 14.2,-14.2l39.1,0c7.8,0 14.2,6.4 14.2,14.2c0,7.9 -6.4,14.2 -14.2,14.2l0,0l0,0z");
                this.updateTheme();
                let pt = this.element.createSVGPoint();
                svg.buttonEvents(this.head,
                    // move
                    (ev: MouseEvent) => {
                        let cur = svg.cursorPoint(pt, this.element, ev);
                        state.compassState.heading = valMax - (Math.floor(Math.atan2(cur.y - yc, cur.x - xc) * 180 / Math.PI) + 90) - valMax;
                        if (state.compassState.heading < valMin) state.compassState.heading += valMax;
                        this.updateHeading();
                    },
                    // start
                    ev => { },
                    // stop
                    ev => { },
                    // keydown
                    ev => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            state.compassState.heading--;
                            if(state.compassState.heading < valMin) state.compassState.heading += valMax;
                            this.updateHeading();
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            state.compassState.heading++;
                            if(state.compassState.heading >= valMax) state.compassState.heading -= valMax;;          
                            this.updateHeading();
                        }
                    });
                this.headInitialized = true;
            }

            accessibility.makeFocusable(this.head);
            accessibility.setAria(this.head, "slider", pxsim.localization.lf("Heading"));
            this.head.setAttribute("aria-valuemin", valMin + "");
            this.head.setAttribute("aria-valuemax", valMax + "");
            this.head.setAttribute("aria-orientation", "vertical");
            this.head.setAttribute("aria-valuenow", state.compassState.heading + "");
            this.head.setAttribute("aria-valuetext", state.compassState.heading + "");

            let txt = state.compassState.heading.toString() + "°";
            if (txt != this.headText.textContent) {
                svg.rotateElement(this.head, xc, yc, valMax - state.compassState.heading - 90);
                this.headText.textContent = txt;
            } 
        }

        private lastFlashTime: number = 0;
        public flashSystemLed() {
            if (!this.systemLed)
                this.systemLed = <SVGCircleElement>svg.child(this.g, "circle", { class: "sim-systemled", cx: 160.8, cy: 150.9, r: 4 })
            let now = Date.now();
            if (now - this.lastFlashTime > 150) {
                this.lastFlashTime = now;
                svg.animate(this.systemLed, "sim-flash")
            }
        }

        private lastAntennaFlash: number = 0;
        public flashAntenna() {
            if (!this.antenna) {
                let ax = 480;
                let dax = 18;
                let ayt = 10;
                let ayb = 40;
                this.antenna = <SVGPolylineElement>svg.child(this.g, "polyline", { class: "sim-antenna", points: `${ax},${ayb} ${ax},${ayt} ${ax += dax},${ayt} ${ax},${ayb} ${ax += dax},${ayb} ${ax},${ayt} ${ax += dax},${ayt} ${ax},${ayb} ${ax += dax},${ayb} ${ax},${ayt} ${ax += dax},${ayt}` })
            }
            let now = Date.now();
            if (now - this.lastAntennaFlash > 200) {
                this.lastAntennaFlash = now;
                svg.animate(this.antenna, 'sim-flash-stroke')
            }
        }

        private updatePins() {
            let state = this.board;
            if (!state) return;

            state.edgeConnectorState.pins.forEach((pin, i) => this.updatePin(pin, i));
        }

        private updateLightLevel() {
            let state = this.board;
            const valMin = 0;
            const valMax = 255;
            if (!state || !state.lightSensorState.usesLightLevel) return;

            if (!this.lightLevelButton) {
                let gid = "gradient-light-level";
                this.lightLevelGradient = svg.linearGradient(this.defs, gid)
				const cx = 25;
                const cy = 75;
                const r = 55;

                this.lightLevelButton = svg.child(this.g, "circle", {
                    cx: `${cx}px`, cy: `${cy}px`, r: `${r}px`,
                    class: 'sim-light-level-button',
                    fill: `url(#${gid})`
                }) as SVGCircleElement;
                let pt = this.element.createSVGPoint();

                svg.buttonEvents(this.lightLevelButton,
                    // move
                    (ev) => {
                        let pos = svg.cursorPoint(pt, this.element, ev);
                        let rs = r / 2;
                        let level = valMax - Math.max(valMin, Math.min(valMax, Math.floor((pos.y - (cy - r)) / (2 * r) * valMax)));

                        if (level != state.lightSensorState.lightLevel) {
                            state.lightSensorState.lightLevel = level;
                            this.applyLightLevel();
                        }
                    },
                    // start
                    ev => { },
                    // stop
                    ev => { },
                    // keydown
                    ev => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            state.lightSensorState.lightLevel--;
                            if(state.lightSensorState.lightLevel < valMin) state.lightSensorState.lightLevel = valMin;
                            this.applyLightLevel();
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            state.lightSensorState.lightLevel++
                            if(state.lightSensorState.lightLevel > valMax) state.lightSensorState.lightLevel = valMax;
                            this.applyLightLevel();
                        }
                    })
                this.lightLevelText = svg.child(this.g, "text", { x: cx , y: cy + r + 35, text: '', class: 'sim-text inverted big centered' }) as SVGTextElement;
                this.updateTheme();
            }

            accessibility.makeFocusable(this.lightLevelButton);
            accessibility.setAria(this.lightLevelButton, "slider", pxsim.localization.lf("Light Level"));
            this.lightLevelButton.setAttribute("aria-valuemin", valMin + "");
            this.lightLevelButton.setAttribute("aria-valuemax", valMax + "");
            this.lightLevelButton.setAttribute("aria-orientation", "vertical");
            this.lightLevelButton.setAttribute("aria-valuenow", state.lightSensorState.lightLevel + "");
            this.lightLevelButton.setAttribute("aria-valuetext", state.lightSensorState.lightLevel + "");

            svg.setGradientValue(this.lightLevelGradient, Math.min(100, Math.max(0, Math.floor((255 - state.lightSensorState.lightLevel) * 100 / 255))) + '%')
            this.lightLevelText.textContent = state.lightSensorState.lightLevel.toString();
        }

        private applyLightLevel() {
            let lv = this.board.lightSensorState.lightLevel;
            svg.setGradientValue(this.lightLevelGradient, Math.min(100, Math.max(0, Math.floor((255 - lv) * 100 / 255))) + '%')
            this.lightLevelText.textContent = lv.toString();
        }

        private updateTilt() {
            return;
            if (this.props.disableTilt) return;
            let state = this.board;
            if (!state || !state.accelerometerState.accelerometer.isActive) return;

            const x = state.accelerometerState.accelerometer.getX();
            const y = -state.accelerometerState.accelerometer.getY();
            const af = 8 / 1023;
            const s = 1 - Math.min(0.1, Math.pow(Math.max(Math.abs(x), Math.abs(y)) / 1023, 2) / 35);

            this.element.style.transform = `perspective(30em) rotateX(${y * af}deg) rotateY(${x * af}deg) scale(${s}, ${s})`
            
            this.element.style.perspectiveOrigin = "50% 50% 50%";
            this.element.style.perspective = "30em";
        }

        private buildDom() {
			this.element = new DOMParser().parseFromString(BOARD_SVG, "image/svg+xml").querySelector("svg") as SVGSVGElement;
            svg.hydrate(this.element, {
                "version": "1.0",
                "viewBox": `0 0 ${MB_WIDTH} ${MB_HEIGHT}`,
                "class": "sim",
                "x": "0px",
                "y": "0px",
                "width": MB_WIDTH + "px",
                "height": MB_HEIGHT + "px",
                "fill": "rgba(0,0,0,0)"
            });
            this.style = <SVGStyleElement>svg.child(this.element, "style", {});
            this.style.textContent = MB_STYLE;

            this.defs = <SVGDefsElement>svg.child(this.element, "defs", {});
            this.g = <SVGGElement>svg.elt("g");
            this.element.appendChild(this.g);

            // filters
            let ledglow = svg.child(this.defs, "filter", { id: "ledglow", x: "-75%", y: "-75%", width: "300%", height: "300%" });
            svg.child(ledglow, "feMorphology", { operator: "dilate", radius: "4", in: "SourceAlpha", result: "thicken" });
            svg.child(ledglow, "feGaussianBlur", { stdDeviation: "5", in: "thicken", result: "blurred" });
            svg.child(ledglow, "feFlood", { "flood-color": "rgb(255, 17, 77)", result: "glowColor" });
            svg.child(ledglow, "feComposite", { in: "glowColor", in2: "blurred", operator: "in", result: "ledglow_colored" });
            let ledglowMerge = svg.child(ledglow, "feMerge", {});
            svg.child(ledglowMerge, "feMergeNode", { in: "ledglow_colored" });
            svg.child(ledglowMerge, "feMergeNode", { in: "SourceGraphic" });

            let glow = svg.child(this.defs, "filter", { id: "filterglow", x: "-5%", y: "-5%", width: "120%", height: "120%" });
            svg.child(glow, "feGaussianBlur", { stdDeviation: "5", result: "glow" });
            let merge = svg.child(glow, "feMerge", {});
            for (let i = 0; i < 3; ++i) svg.child(merge, "feMergeNode", { in: "glow" })

            // leds
            this.leds = [];
            this.ledsOuter = [];
            const left = Number(this.element.getElementById("LED_0_0").getAttribute("x"));
            const top = Number(this.element.getElementById("LED_0_0").getAttribute("y"));
            const ledoffw = Number(this.element.getElementById("LED_1_0").getAttribute("x"))-left;
            const ledoffh = Number(this.element.getElementById("LED_0_1").getAttribute("y"))-top;
            // const ledw = 5.1;
            // const ledh = 12.9;
            for (let i = 0; i < 5; ++i) {
                let ledtop = i * ledoffh + top;
                for (let j = 0; j < 5; ++j) {
                    let ledleft = j * ledoffw + left;
                    let k = i * 5 + j;
                    this.ledsOuter.push(svg.child(this.g, "rect", { class: "sim-led-back", x: ledleft, y: ledtop, width: 10, height: 20, rx: 2, ry: 2 }));
                    let led = svg.child(this.g, "rect", { class: "sim-led", x: ledleft - 2, y: ledtop - 2, width: 14, height: 24, rx: 3, ry: 3, title: `(${j},${i})` });
                    svg.filter(led, `url(#ledglow)`)
                    this.leds.push(led);
                }
            }


             // head
            //  this.headg = <SVGGElement>svg.child(this.g, "g", { style: "transform: translate(100px, 0px);" });
             this.head = <SVGGElement>svg.child(this.g, "g", { class: "sim-head" });
             svg.child(this.head, "circle", { cx: 501.2, cy: 75, r: 100, fill: "transparent" })
             this.headParts = <SVGGElement>svg.child(this.head, "g", { class: "sim-button-outer sim-button-group" });
             this.heads = []
            //  background
            this.heads.push(svg.path(this.headParts, "sim-button",""));
            //  shapes
            this.heads.push(<SVGGElement>svg.child(this.headParts, "g", { class: "sim-theme" }));
            //  this.heads.push(svg.path(this.headParts, "sim-theme", "M230.6,69.7c-2.9,0-5.3,2.4-5.3,5.3c0,2.9,2.4,5.3,5.3,5.3c2.9,0,5.3-2.4,5.3-5.3C235.9,72.1,233.5,69.7,230.6,69.7"));
            //  this.heads.push(svg.path(this.headParts, "sim-theme", "M269.7,80.3c2.9,0,5.3-2.4,5.3-5.3c0-2.9-2.4-5.3-5.3-5.3c-2.9,0-5.3,2.4-5.3,5.3C264.4,77.9,266.8,80.3,269.7,80.3"));
             this.headText = <SVGTextElement>svg.child(this.g, "text", { x: 500, y: 165, class: "sim-text inverted big centered" })

            // https://www.microbit.co.uk/device/pins
            // P0, P1, P2
            this.pins = pinNames.map(n => {
				let p = this.element.getElementById(n) as SVGElement;
				if(!p) console.log("missing "+n);
				U.addClass(p, "sim-pin");
                // console.log(p);
				return p;
			});

            this.pins.forEach((p, i) => svg.hydrate(p, { title: pinTitles[i] }));

            this.pinGradients = this.pins.map((pin, i) => {
                let gid = "gradient-pin-" + i
                let lg = svg.linearGradient(this.defs, gid)
                pin.setAttribute("fill", `url(#${gid})`);
                return lg;
            })

            // this.pinTexts = [
            //         [-20,   340],
            //         [50,    495],
            //         [450,   495],
            //         [500,   340]
            //     ].map(p => <SVGTextElement>svg.child(this.g, "text", { class: "sim-text-pin", x: p[0], y: p[1] }));

            this.pinTexts = { 
                [DigitalPin.P0]: <SVGTextElement>svg.child(this.g, "text", { class: "sim-text-pin big centered", x: 20, y: 315 }),
                [DigitalPin.P1]: <SVGTextElement>svg.child(this.g, "text", { class: "sim-text-pin big centered", x: 135, y: 530 }),
                [DigitalPin.P2]: <SVGTextElement>svg.child(this.g, "text", { class: "sim-text-pin big centered", x: 395, y: 530 }),
                [DigitalPin.P3]: <SVGTextElement>svg.child(this.g, "text", { class: "sim-text-pin big centered", x: 535, y: 315 })
            }

            // BTN A, B
            const btnids = ["BTN_A", "BTN_B"];
            this.buttonsOuter = btnids.map(n => this.element.getElementById(n + "_BOX") as SVGElement);
            this.buttonsOuter.forEach(b => U.addClass(b, "sim-button-outer"));
            this.buttons = btnids.map(n => this.element.getElementById(n) as SVGElement);
            this.buttons.forEach(b => U.addClass(b, "sim-button"));

            // BTN A+B
            const outerBtn = (left: number, top: number) => {
                const button = this.mkBtn(left, top);
                this.buttonsOuter.push(button.outer);
                this.buttons.push(button.inner);

                return button;
            }

            let ab = outerBtn(210, MB_HEIGHT - 45);
            let abtext = svg.child(ab.outer, "text", { x: 210, y: MB_HEIGHT - 5, class: "sim-text big inverted centered" }) as SVGTextElement;
            abtext.textContent = "A+B";
            (<any>this.buttonsOuter[2]).style.visibility = "hidden";
            (<any>this.buttons[2]).style.visibility = "hidden";
        }

        private mkBtn(left: number, top: number): { outer: SVGElement, inner: SVGElement } {
            const btnr = 2;
            const btnw = 20;
            const btnn = 1.6;
            const btnnm = 2;
            const btnb = 5;
            let btng = svg.child(this.g, "g", { class: "sim-button-group" });
            svg.child(btng, "rect", { class: "sim-button-outer", x: left, y: top, rx: btnr, ry: btnr, width: btnw, height: btnw });
            svg.child(btng, "circle", { class: "sim-button-nut", cx: left + btnnm, cy: top + btnnm, r: btnn });
            svg.child(btng, "circle", { class: "sim-button-nut", cx: left + btnnm, cy: top + btnw - btnnm, r: btnn });
            svg.child(btng, "circle", { class: "sim-button-nut", cx: left + btnw - btnnm, cy: top + btnw - btnnm, r: btnn });
            svg.child(btng, "circle", { class: "sim-button-nut", cx: left + btnw - btnnm, cy: top + btnnm, r: btnn });

            const outer = btng;
            const inner = svg.child(btng, "circle", {
                class: "sim-button",
                cx: left + btnw / 2,
                cy: top + btnw / 2,
                r: btnb
            });

            return { outer, inner };
        }

        private attachEvents() {
            this.attachIFrameEvents();
            this.attachAccelerometerEvents();
            this.attachPinsIOEvents();
            this.attachPinsTouchEvents();
            this.attachABEvents();
            this.attachAPlusBEvents();
        }

        private attachIFrameEvents() {
            Runtime.messagePosted = (msg) => {
                switch (msg.type || "") {
                    case "serial": this.flashSystemLed(); break;
                    case "radiopacket": this.flashAntenna(); break;
                    case "eventbus":
                        if ((<pxsim.SimulatorEventBusMessage>msg).id == DAL.MES_BROADCAST_GENERAL_ID)
                            this.flashAntenna();
                        break;
                }
            }
        }

        private attachAccelerometerEvents() {
            let tiltDecayer: any =  undefined;
            this.element.addEventListener(pointerEvents.move, (ev: MouseEvent) => {
                const state = this.board;
                if (!state.accelerometerState.accelerometer.isActive) return;

                if (tiltDecayer) {
                    clearInterval(tiltDecayer);
                    tiltDecayer = 0;
                }

                const bbox = this.element.getBoundingClientRect();

                // ev.clientX and ev.clientY are not defined on mobile iOS
                const xPos = ev.clientX != null ? ev.clientX : ev.pageX;
                const yPos = ev.clientY != null ? ev.clientY : ev.pageY;

                const ax = (xPos - bbox.width / 2) / (bbox.width / 3);
                const ay = (yPos - bbox.height / 2) / (bbox.height / 3);

                const x = - Math.max(- 1023, Math.min(1023, Math.floor(ax * 1023)));
                const y = - Math.max(- 1023, Math.min(1023, Math.floor(ay * 1023)));
                const z2 = 1023 * 1023 - x * x - y * y;
                const z = Math.floor((z2 > 0 ? -1 : 1) * Math.sqrt(Math.abs(z2)));

                state.accelerometerState.accelerometer.update(x, y, z);
                this.updateTilt();
            }, false);
            this.element.addEventListener(pointerEvents.leave, (ev: MouseEvent) => {
                let state = this.board;
                if (!state.accelerometerState.accelerometer.isActive) return;

                if (!tiltDecayer) {
                    tiltDecayer = setInterval(() => {
                        let accx = state.accelerometerState.accelerometer.getX(MicroBitCoordinateSystem.RAW);
                        accx = Math.floor(Math.abs(accx) * 0.85) * (accx > 0 ? 1 : -1);
                        let accy = state.accelerometerState.accelerometer.getY(MicroBitCoordinateSystem.RAW);
                        accy = Math.floor(Math.abs(accy) * 0.85) * (accy > 0 ? 1 : -1);
                        let accz = -Math.sqrt(Math.max(0, 1023 * 1023 - accx * accx - accy * accy));
                        if (Math.abs(accx) <= 24 && Math.abs(accy) <= 24) {
                            clearInterval(tiltDecayer);
                            tiltDecayer = 0;
                            accx = 0;
                            accy = 0;
                            accz = -1023;
                        }
                        state.accelerometerState.accelerometer.update(accx, accy, accz);
                        this.updateTilt();
                    }, 50)
                }
            }, false);
        }

        private attachPinsIOEvents() {
            this.pins.slice(2, 6).forEach((pin, index) => {
                // var index = i + 2;
                if (!this.board.edgeConnectorState.pins[index]) return;
                let pt = this.element.createSVGPoint();
                let xpos = (index === 0 || index === 3) ? 300 : 520;
                let vMax = (index === 0 || index === 3) ? 1 : 1032;
                svg.buttonEvents(pin,
                    // move
                    ev => {
                        let state = this.board;
                        let pin = state.edgeConnectorState.pins[index];
                        let svgpin = this.pins[index];
                        if (pin.mode & PinFlags.Input) {
                            let cursor = svg.cursorPoint(pt, this.element, ev);
                            let v = (xpos - cursor.y) / 70 * (vMax + 1);
                            pin.value = Math.max(0, Math.min(vMax, Math.floor(v)));
                        }
                        this.updatePin(pin, index);
                    },
                    // start
                    ev => {
                        let state = this.board;
                        let pin = state.edgeConnectorState.pins[index];
                        let svgpin = this.pins[index];
                        U.addClass(svgpin, "touched");
                        if (pin.mode & PinFlags.Input) {
                            let cursor = svg.cursorPoint(pt, this.element, ev);
                            let v = (xpos - cursor.y) / 70 * (vMax + 1);
                            pin.value = Math.max(0, Math.min(vMax, Math.floor(v)));
                        }
                        this.updatePin(pin, index);
                    },
                    // stop
                    (ev: MouseEvent) => {
                        let state = this.board;
                        let pin = state.edgeConnectorState.pins[index];
                        let svgpin = this.pins[index];
                        U.removeClass(svgpin, "touched");
                        this.updatePin(pin, index);
                        return false;
                    },
                    // keydown
                    (ev: KeyboardEvent) => {
                        let charCode = (typeof ev.which == "number") ? ev.which : ev.keyCode
                        let state = this.board;
                        let pin = state.edgeConnectorState.pins[index];

                        if (charCode === 40 || charCode === 37) { // Down/Left arrow
                            pin.value -= 10;
                            if (pin.value < 0) {
                                pin.value = 1023;
                            }
                            this.updatePin(pin, index);
                        } else if (charCode === 38 || charCode === 39) { // Up/Right arrow
                            pin.value += 10;
                            if (pin.value > 1023) {
                                pin.value = 0;
                            }
                            this.updatePin(pin, index);
                        }
                    });
            })
        }

        private attachPinsTouchEvents() {
            this.pins.slice(2, 6).forEach((btn, i) => {
                var index = i + 2;
                let state = this.board;
                let pressedTime: number;
                pointerEvents.down.forEach(evid => btn.addEventListener(evid, ev => {
                    let state = this.board;
                    // console.log(`down ${state.edgeConnectorState.pins[i].id}`)
                    state.edgeConnectorState.pins[i].touched = true;
                    this.updatePin(state.edgeConnectorState.pins[i], index);
                    this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                    pressedTime = runtime.runningTime()
                }));
                // btn.addEventListener(pointerEvents.leave, ev => {
                //     let state = this.board;
                //     state.edgeConnectorState.pins[i].touched = false;
                //     this.updatePin(state.edgeConnectorState.pins[i], index);
                // })
                btn.addEventListener(pointerEvents.up, ev => {
                    let state = this.board;
                    // console.log(`up ${state.edgeConnectorState.pins[i].id}, index ${index}`)
                    state.edgeConnectorState.pins[i].touched = false;
                    this.updatePin(state.edgeConnectorState.pins[i], index);
                    this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_UP);
                    const currentTime = runtime.runningTime()
                    if (currentTime - pressedTime > DAL.DEVICE_BUTTON_LONG_CLICK_TIME) {
                        this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_LONG_CLICK);
                        // console.log(`& long click`)
                    } else {
                        this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_CLICK);
                        // console.log(`& click`)
                    }
                    pressedTime = undefined;
                })
                accessibility.enableKeyboardInteraction(btn, undefined, () => {
                    let state = this.board;
                    this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                    this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_UP);
                    this.board.bus.queue(state.edgeConnectorState.pins[i].id, DAL.MICROBIT_BUTTON_EVT_CLICK);
                });
            })
        }

        private attachABEvents() {
            const bpState = this.board.buttonPairState;
            const stateButtons: Button[] = [bpState.aBtn, bpState.bBtn];
            const elButtonOuters = this.buttonsOuter.slice(0, 2);
            const elButtons = this.buttons.slice(0, 2);

            elButtonOuters.forEach((btn, index) => {
                let pressedTime: number;
                pointerEvents.down.forEach(evid => btn.addEventListener(evid, ev => {
                    // console.log(`down ${stateButtons[index].id}`)
                    stateButtons[index].pressed = true;
                    svg.fill(elButtons[index], this.props.theme.buttonDown);
                    this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                    pressedTime = runtime.runningTime()
                }));
                btn.addEventListener(pointerEvents.leave, ev => {
                    stateButtons[index].pressed = false;
                    svg.fill(elButtons[index], this.props.theme.buttonUps[0]);
                })
                btn.addEventListener(pointerEvents.up, ev => {
                    stateButtons[index].pressed = false;
                    svg.fill(elButtons[index], this.props.theme.buttonUps[0]);
                    this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_UP);
                    const currentTime = runtime.runningTime()
                    if (currentTime - pressedTime > DAL.DEVICE_BUTTON_LONG_CLICK_TIME)
                        this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_LONG_CLICK);
                    else
                        this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_CLICK);
                    pressedTime = undefined;
                })
                accessibility.enableKeyboardInteraction(btn, undefined, () => {
                    this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                    this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_UP);
                    this.board.bus.queue(stateButtons[index].id, DAL.MICROBIT_BUTTON_EVT_CLICK);
                });
            })
        }

        private attachAPlusBEvents() {
            const bpState = this.board.buttonPairState;
            let pressedTime: number;
            // A+B
            pointerEvents.down.forEach(evid => this.buttonsOuter[2].addEventListener(evid, ev => {
                bpState.aBtn.pressed = true;
                bpState.bBtn.pressed = true;
                bpState.abBtn.pressed = true;
                svg.fill(this.buttons[0], this.props.theme.buttonDown);
                svg.fill(this.buttons[1], this.props.theme.buttonDown);
                svg.fill(this.buttons[2], this.props.theme.buttonDown);
                this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                pressedTime = runtime.runningTime()
            }));
            this.buttonsOuter[2].addEventListener(pointerEvents.leave, ev => {
                bpState.aBtn.pressed = false;
                bpState.bBtn.pressed = false;
                bpState.abBtn.pressed = false;
                svg.fill(this.buttons[0], this.props.theme.buttonUps[0]);
                svg.fill(this.buttons[1], this.props.theme.buttonUps[1]);
                svg.fill(this.buttons[2], this.props.theme.virtualButtonUp);
            })
            this.buttonsOuter[2].addEventListener(pointerEvents.up, ev => {
                bpState.aBtn.pressed = false;
                bpState.bBtn.pressed = false;
                bpState.abBtn.pressed = false;
                svg.fill(this.buttons[0], this.props.theme.buttonUps[0]);
                svg.fill(this.buttons[1], this.props.theme.buttonUps[1]);
                svg.fill(this.buttons[2], this.props.theme.virtualButtonUp);

                this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_UP);
                const currentTime = runtime.runningTime()
                if (currentTime - pressedTime > DAL.DEVICE_BUTTON_LONG_CLICK_TIME)
                    this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_LONG_CLICK);
                else
                    this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_CLICK);
                pressedTime = undefined;
            })
            accessibility.enableKeyboardInteraction(this.buttonsOuter[2], undefined, () => {
                this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_DOWN);
                this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_UP);
                this.board.bus.queue(bpState.abBtn.id, DAL.MICROBIT_BUTTON_EVT_CLICK);
            });
        }
    }
}