odds2odds/index.html at main · bubblobill/odds2odds · GitHub

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<!DOCTYPE html>
<html lang="en-au">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
    <title></title>
    <script src="https://telegram.org/js/telegram-web-app.js"></script>
    <link rel="stylesheet" href="style.css" />

</head>
<body>
<form id="fm">
<section id="viewport-container" class="viewport-container">
    <div class="grid-container">
        <div id="usOdds">
            <label class="locale" for="us-odds">
                <img class="flag" src="img/us.svg" alt="🇺🇸">
            </label>
            <input type="number" class="numberInput" id="us-odds" value="-550" step="1  ">
        </div>
        <div id="decOdds">
            <label class="locale" for="dec-odds">
                <img class="flag" src="img/earthGlobe.svg" alt="🌏">
            </label>
            <input type="number" class="numberInput" id="dec-odds" value="1.18" step="0.01">
        </div>
        <input form="fm" type="reset" id="clear" class="button clear_btn" value="&#x21bb;" />
        <input id="slider" type="range" min="1" max="5" value="1.18" step="0.01">
    </div>
</section>
</form>
<script type="application/javascript">
    const startValue = 1.18;
const usOdds = document.getElementById("us-odds");
const dOdds = document.getElementById("dec-odds");
const slider = document.getElementById("slider");
window.addEventListener("load", function(){
    usOdds.addEventListener("input", inputHandler);
    dOdds.addEventListener("input", inputHandler);
    slider.addEventListener("input", inputHandler);
    slider.addEventListener("change", inputHandler);
    slider.addEventListener("touchStart", function(e){
        slider.activate;
    });
    slider.value = startValue;
    usOdds.scrollIntoView({ behavior: "smooth", block: "center", inline: "nearest" });
    slider.scrollIntoView({ behavior: "smooth", block: "center", inline: "nearest" });
    document.getElementById("clear").addEventListener("pointerdown", inputHandler);
    document.getElementById("viewport-container").scrollIntoView({ behavior: "smooth", block: "end", inline: "nearest" });
});

function inputHandler(e){
    const t = e.target;
    var good = false;
    if(t==usOdds){
        if(t.value > -100 && t.value < 100){
            invalidToggle(usOdds, true);
            greyToggle(dOdds, true);
        } else {
            good = true;
            dOdds.value = parseFloat(usToDec(t.value)).toFixed(2);
            slider.value = dOdds.value;
        }
    } else if(t==dOdds || t==slider) {
        if(t.value <= 0){
            invalidToggle(dOdds, true);
            greyToggle(usOdds, true);
        } else if(t.value == 1){
            usOdds.value = -5000;
            invalidToggle(usOdds, true);
            greyToggle(usOdds, true);
            if(t==slider){dOdds.value = parseFloat(1).toFixed(2); }
        } else if(t==dOdds){
            usOdds.value = decToUs(t.value);
            slider.value = t.value;
            good = true;
        } else {
            usOdds.value = decToUs(t.value);
            dOdds.value = parseFloat(t.value).toFixed(2);
            good = true;
        }
    } else {
        good = true;
    }
    if(good){
        invalidToggle(usOdds, false);
        greyToggle(usOdds, false);
        invalidToggle(dOdds, false);
        greyToggle(dOdds, false);
    }
    function invalidToggle(el, state){
        if(state && !el.classList.contains("invalid")){
            el.classList.add("invalid");
        } else if(!state && el.classList.contains("invalid")){
            el.classList.remove("invalid");
        }
    }
    function greyToggle(el, state){
        if(state && !el.classList.contains("grey")){
            el.classList.add("grey");
        } else if(!state && el.classList.contains("grey")){
            el.classList.remove("grey");
        }
    }
}

function decToUs(dec){
    if(dec == 2){
        return 100;
    } else if(dec > 2){
        return Math.round((dec - 1) * 100);
    } else {
        return Math.round(-100 / (dec - 1));
    }
}
function usToDec(us){
    if(Math.sign(us) == 1){
        return (1+us/100).toFixed(2);
    } else {
        return (1-100/us).toFixed(2);
    }
}
</script>
<script type="application/javascript">
/*
* It contains basic examples of how to use the API
* Note: all requests to backend are disabled in this demo, you should use your own backend
*/

const DemoApp = {
    MainButton    : Telegram.WebApp.MainButton,
    init(options) {
        Telegram.WebApp.ready();
        Telegram.WebApp.MainButton.setParams({
            text      : 'CLOSE WEBVIEW',
            is_visible: true
        }).onClick(DemoApp.close);
        Telegram.WebApp.disableClosingConfirmation();
    },
    expand() {
        Telegram.WebApp.expand();
    },
    close() {
        Telegram.WebApp.close();
    },
    toggleMainButton(el) {
        const mainButton = Telegram.WebApp.MainButton;
        if (mainButton.isVisible) {
            mainButton.hide();
            el.innerHTML = 'Show Main Button';
        } else {
            mainButton.show();
            el.innerHTML = 'Hide Main Button';
        }
    },

    // Other
    apiRequest(method, data, onCallback) {
        // DISABLE BACKEND FOR FRONTEND DEMO
        // YOU CAN USE YOUR OWN REQUESTS TO YOUR OWN BACKEND
        // CHANGE THIS CODE TO YOUR OWN
        return onCallback && onCallback({error: 'This function (' + method + ') should send requests to your backend. Please, change this code to your own.'});

        const authData = DemoApp.initData || '';
        fetch('/demo/api', {
            method     : 'POST',
            body       : JSON.stringify(Object.assign(data, {
                _auth : authData,
                method: method,
            })),
            credentials: 'include',
            headers    : {
                'Content-Type': 'application/json'
            }
        }).then(function (response) {
            return response.json();
        }).then(function (result) {
            onCallback && onCallback(result);
        }).catch(function (error) {
            onCallback && onCallback({error: 'Server error'});
        });
    }
}

const DemoAppMenu = {
    init() {
        DemoApp.init();
    }
};

const DemoAppInitData = {
    init() {
        DemoApp.init();
        Telegram.WebApp.onEvent('themeChanged', function () {
        });
    }
};

function byteLength(str) {
    if (window.Blob) {
        try {
            return new Blob([str]).size;
        } catch (e) {
        }
    }

    let s = str.length;
    for (let i = str.length - 1; i >= 0; i--) {
        const code = str.charCodeAt(i);
        if (code > 0x7f && code <= 0x7ff) {
            s++;
        } else if (code > 0x7ff && code <= 0xffff) {
            s += 2;
        }

        if (code >= 0xDC00 && code <= 0xDFFF) {
            i--;
        }
    }
    return s;
}

function round(val, d) {
    const k = Math.pow(10, d || 0);
    return Math.round(val * k) / k;
}
</script>
<script>
    function setThemeClass() {
        document.documentElement.className = Telegram.WebApp.colorScheme;
    }
    Telegram.WebApp.onEvent('themeChanged', setThemeClass);
    setThemeClass();
</script>
<script type="application/javascript">
    /*
     * This part of code is used to initialize the demo app and set up the event handlers we need.
     */
    Telegram.WebApp.onEvent('themeChanged', function () {
        document.getElementById("viewport-container").setAttribute('style', '--bg-color:' + Telegram.WebApp.backgroundColor);
    });
    DemoApp.init();
</script>
</body>
</html>