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path: root/src/js/sliders.js
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import { audiomixer } from 'agl-js-api';

function getRootNode(node) {
    while(!node.hasAttribute('slider-id') && node.parentNode) {
        return getRootNode(node.parentNode);
    }

    if( node.hasAttribute('slider-id') ) {
        return node;
    } else {
        return false;
    }
}

function getValue(node) {
    node = getRootNode(node);
    if( node ) {
        return parseInt(node.getAttribute('value'));
    } else {
        return false;
    }
}

export function setValue(node, value, notUpdate) {
    node = getRootNode(node);
    if( node ){
        value = Math.max(Math.min(value, 100), 0);
        node.setAttribute('value', value);
        node.getElementsByTagName('progress')[0].value = value;
        node.getElementsByTagName('input')[0].value = value;
        node.getElementsByClassName('value')[0].innerHTML = value+'%';
        if( !notUpdate ) {
            audiomixer.set_volume(node.getAttribute('slider-id'), value/100);
        }
    }
}

export function increase(node) {
    setValue(node, getValue(node)+5);
}

export function decrease(node) {
    setValue(node, getValue(node)-5);
}

export function change(node) {
    setValue(node, node.value);
}