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index.html
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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
<title>Carbon Footprint Modeling Tool</title>
<meta name="viewport" content="width=1280" />
<script src="https://cdn.jsdelivr.net/npm/@tarekraafat/[email protected]/dist/autoComplete.min.js"></script>
<script src="js/carbon-footprint-modeling-tool.js"></script>
<link rel="stylesheet" href="css/style.css">
<!-- TODO: remove and integrate relevant parts in style.css -->
<link rel="stylesheet" href="css/autocomplete.css">
<script>
var scenario;
let url = new URL(location.href);
// the preferred parameter is scenario_id; id is retained for backward compatibility
let scenario_id = url.searchParams.get("scenario_id") || url.searchParams.get("id");
let source_id = url.searchParams.get("source_id");
// optional parameter to override emission type
var emission_type_parameter = url.searchParams.get("emission_type");
// optional parameter to apply factor to scenario
var quantity = url.searchParams.get("factor");
// optional parameter to show consumption data
var show_consumption_parameter = url.searchParams.get("show_consumption") === "true";
// TODO: replace data source of autocompletejs with API call
let request2 = new XMLHttpRequest();
request2.open("GET", "./data/sources.json", false);
request2.setRequestHeader('Cache-Control', 'no-cache');
request2.send(null)
let sources_json = JSON.parse(request2.responseText);
// identify primary source if provided
let primary_source;
if (source_id) {
primary_source = sources_json[source_id];
}
function fetchScenario(scenario_id) {
let request = new XMLHttpRequest();
request.open("GET", "./scenarios/" + scenario_id + ".json", false);
request.setRequestHeader('Cache-Control', 'no-cache');
request.send(null)
return JSON.parse(request.responseText);
}
function traverseScenario(scenario) {
if (scenario.hasOwnProperty("scenario")) {
scenario = scenario.scenario;
}
for (const [i, scope] of scenario.scopes.entries()){
for (const [j, element] of scope.list.entries()) {
if(element.type == "link") {
// convert link to scenario
element.type = "scenario"
// fetch scenario and recursively call traverse function
element.scenario = traverseScenario(fetchScenario(element.scenario_id));
}
}
}
return scenario;
}
// recursive function to populate the dom template with the JSON data
function populateTemplate(componentDiv, element, selectors) {
for (const key of Object.keys(element)) {
let _s = selectors + " [name='" + key + "']";
let d = componentDiv.querySelector(_s);
if (d) {
d.setAttribute("data-type", typeof(element[key]));
}
// element is an object or array
if (typeof(element[key]) == "object") {
populateTemplate(componentDiv, element[key], _s);
// element is a single value
} else {
if (d) {
if (d.nodeName == "A") {
d.href = element[key];
} else if (d.nodeName == "INPUT") {
d.value = element[key];
} else {
d.innerHTML = element[key];
}
}
}
}
}
function buildScenarioDOMtree(scenario, scenario_id) {
let scenarioDiv = document.querySelector(".template[name='scenario']").cloneNode(true);
scenarioDiv.classList.remove("template");
let titleSpan = scenarioDiv.querySelector("h1 span[name='title']");
if (scenario_id) {
let titleLink = document.createElement("a");
titleLink.innerHTML = scenario.title;
titleLink.href = "show.html?scenario_id=" + scenario_id + "&source_id=" + source_id;
titleSpan.appendChild(titleLink);
} else {
titleSpan.innerHTML = scenario.title;
}
let titleSup = scenarioDiv.querySelector("h1 sup");
if (scenario.reference_url) {
titleSup.querySelector("a[name='reference_url']").href = scenario.reference_url;
} else {
titleSup.parentNode.removeChild(titleSup);
}
//document.title = scenario.title + " – " + document.title;
if (scenario.description) {
let descriptionDiv = scenarioDiv.querySelector("div[name='description']");
descriptionDiv.innerHTML = scenario.description;
}
for (const [i, scope] of scenario.scopes.entries()){
let scopeDiv = document.querySelector(".template[name='scope']").cloneNode(true);
scopeDiv.classList.remove("template");
for (const key of Object.keys(scope)) {
if (typeof(scope[key]) != "object") {
let d = scopeDiv.querySelector("[name='" + key + "']");
d.innerHTML = scope[key];
d.setAttribute("data-type", typeof(scope[key]));
}
}
scenarioDiv.querySelector("[name=scopes]").appendChild(scopeDiv);
for (const [j, element] of scope.list.entries()) {
// Scenario partial
if(element.type == "scenario") {
let nestedScenarioDiv = document.querySelector(".template[name='nestedScenario']").cloneNode(true);
nestedScenarioDiv.classList.remove("template");
//nestedScenarioDiv.setAttribute("name", "scenario");
populateTemplate(nestedScenarioDiv, element, "");
let s = buildScenarioDOMtree(element.scenario, element.scenario_id);
s.setAttribute("id", element.scenario_id);
nestedScenarioDiv.querySelector("[class='row']").appendChild(s);
scopeDiv.querySelector("[name='list']").appendChild(nestedScenarioDiv);
// Component partial
} else if(element.type == "component") {
let componentDiv = document.querySelector(".template[name='component']").cloneNode(true);
componentDiv.classList.remove("template");
populateTemplate(componentDiv, element, "");
// remove consumption node if not included in component
if (!element.consumer.consumptions || Object.keys(element.consumer.consumptions).length == 0) {
componentDiv.querySelector("[name='consumptions']").remove();
}
// remove consumption list nodes if not included in consumptions
for (c in consumptionMap) {
if (element.consumer.consumptions && !Object.keys(element.consumer.consumptions).includes(c)) {
let l = componentDiv.querySelector("[name='" +c+"']");
if (l) {l.remove();}
}
}
// remove reference urls when empty
var links = componentDiv.getElementsByTagName('a');
for (let i = 0; i < links.length; i++) {
if (!links[i].hasAttribute('href')) {
links[i].parentNode.parentNode.removeChild(links[i].parentNode);
}
}
// remove emission list nodes if not included in emissions
for (unit in emissionUnitMap) {
if (!Object.keys(element.source.emissions).includes(unit)) {
let l = componentDiv.querySelector("[name='" +unit+"']");
if (l) {l.remove();}
}
}
scopeDiv.querySelector("[name='list']").appendChild(componentDiv);
}
}
}
return scenarioDiv;
}
window.addEventListener('load', function () {
// dynamical create consumption placeholders based on consumptionMap
let consumptionsUl = document.querySelector("div.data.template[name='component'] div.data[name='consumptions'] ul");
for (const key of Object.keys(consumptionMap)) {
let li = consumptionsUl.querySelector("li").cloneNode(true);
li.setAttribute("name", key);
li.querySelector("span[name='title'").innerHTML = consumptionMap[key];
consumptionsUl.appendChild(li)
}
consumptionsUl.removeChild(consumptionsUl.querySelector("li"));
// no scenario id parameter, test for base64 encoded
if (!scenario_id) {
// check for scenario parameter
let base64 = url.searchParams.get("scenario");
// check for hash value
if (!base64) {
base64 = url.hash;
if (base64) {
base64 = base64.substring(1);
}
}
if (isUrlEncoded(base64)) {
base64 = decodeURIComponent(base64);
}
// base64 detected
if (base64) {
scenario = JSON.parse(atob(base64));
// fallback to sample scenario
} else {
window.location.href = "?scenario_id=scenario-725b3ff2-294b-4cfc-81a3-fc460ee61fdc"
}
}
if (!scenario) {
// fetch JSON file
scenario = fetchScenario(scenario_id);
}
if (scenario.hasOwnProperty("scenario")) {
if (scenario.hasOwnProperty("quantity") && !quantity) {
quantity = scenario.quantity;
}
scenario = scenario.scenario;
}
// expand the scenario by loading linked scenarios
scenario = traverseScenario(scenario);
if (primary_source) {
// overload sources with primary source if provided
scenario = updateSource(scenario, primary_source);
}
let dom = buildScenarioDOMtree(scenario);
let scenarioDiv = document.querySelector('div[name="scenario"]');
if (scenarioDiv.firstChild) {
scenarioDiv.replaceChild(dom, scenarioDiv.firstChild);
} else {
scenarioDiv.appendChild(dom);
}
updateView(scenario);
// display factor input when scenario has quantity value or factor url parameter is provided
if (quantity) {
let factorDiv = document.querySelector('div[name="factor"]');
factorDiv.style.display = "block";
factorDiv.querySelector('input').value = quantity;
document.querySelector('div[name="factor_total"]').style.display = "block";
updateFactorTotal(scenario, quantity);
scenario = {scenario: scenario, quantity: quantity}
}
async function fetchConsumersJsonAndAddSearchOverlay() {
// TODO: replace data source of autocompletejs with API call
const response = await fetch("./data/consumers.json");
consumers_json = await response.json();
/* search consumer overlay and auto complete */
await addSearchOverlay();
}
fetchConsumersJsonAndAddSearchOverlay();
document.getElementById('jsonOverlay').addEventListener('click', function(event) {
if (event.target === this) {
document.getElementById('jsonOverlay').style.display = 'none';
}
});
document.getElementById('linkOverlay').addEventListener('click', function(event) {
if (event.target === this) {
document.getElementById('linkOverlay').style.display = 'none';
}
});
if (show_consumption_parameter) {
document.querySelectorAll(".consumption_sub_total").forEach((element) => element.style.display = "block");
document.querySelectorAll(".total_consumptions").forEach((element) => element.style.display = "block");
}
focusLabelsOnClick();
});
</script>
</head>
<body>
<div id="container" style="max-width: none;">
<div class="row">
<div name="factor">
<input type="number" name="quantity" class="data" onchange="updateData()">
<label for="quantity">X</label>
</div>
<div name="scenario" data-type="object" style="flex-grow: 1"></div>
<div name="factor_total">
<div class="factor_total_emission"></div>
<div class="factor_total_consumptions"></div>
</div>
</div>
</div>
<div id="links">
<a href="#" onclick="showLink()">Share via link</a>
| <a href="#" onclick="showJSON()">Edit data</a>
| <a href="#" onclick="contextualizeEmissions()">Contextualize emissions</a>
| <a href="https://github.com/borisruf/carbon-footprint-modeling-tool">About the data model</a>
</div>
<div class="overlay" id="searchConsumerOverlay">
<div id="searchConsumerBox">
<input id="searchConsumerInput">
</div>
</div>
<div class="overlay" id="searchSourceOverlay">
<div id="searchSourceBox">
<input id="searchSourceInput">
</div>
</div>
<!-- Overlay to display well-formatted JSON -->
<div class="overlay" id="jsonOverlay">
<div class="json-container" id="jsonContainer">
<div class="textarea-container">
<textarea class="json-content" id="jsonContent"></textarea>
</div>
<div class="button-container">
<button onclick="updateScenario()">Update</button>
<button onclick="document.getElementById('jsonOverlay').style.display = 'none';">Cancel</button>
</div>
</div>
</div>
<!-- Overlay to display url -->
<div class="overlay" id="linkOverlay">
<div class="link-container" id="linkContainer">
All data of this scenario is encoded in the following url:<br/><br/>
<div class="input-container">
<input id="link" readonly="true" onclick="this.select();" />
<button class="copy-button" onclick="copyUrlToClipboard()">
<span>Copy url</span>
</button>
<button class="copy-button" onclick="copyEncodedScenarioToClipboard()">
<span>Copy scenario</span>
</button>
</div>
<br/><br/>
Feel free to copy and share it for reference. Consider shortening the url with a service such as <a href="https://www.bitly.com" target="_blank">Bitly</a> for use in print.
<br/><br/><br/>
<button onclick="document.getElementById('linkOverlay').style.display = 'none';">
<span>Close</span>
</button>
</div>
</div>
<!--------------------------------------------------------------------------------------------------------->
<div class="templates">
<div class="data template" name="scenario" data-type="object">
<h1><span class="data" name="title" data-type="string" id="title"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup></h1>
<div class="data" data-type="string" name="description"></div>
<div class="data" name="scopes" data-type="array"></div>
</div>
<!------------------------------------------------------------------------------------------------->
<div class="template data" name="scope">
<div class="data" name="level"></div>
<div class="data tooltip" name="description"></div>
<div class="data" name="list" data-type="array"></div>
<div class="total_emission"></div>
<div class="total_consumptions"></div>
</div>
<!------------------------------------------------------------------------------------------------->
<div class="data template" name="nestedScenario" data-type="object">
<div class="row">
<div class="usage">
<input type="number" name="quantity" class="data" onchange="updateData()">
<label for="quantity">X</label>
</div>
</div>
<div>
<span class="consumption_sub_total"></span>
<span class="emission_sub_total"></span>
</div>
<span class="data" name="scenario_id"></span>
<span class="data" name="type"></span>
</div>
<!------------------------------------------------------------------------------------------------->
<div class="data template" name="link" data-type="object">
<div class="row">
<div class="usage">
<span>
<input type="number" name="quantity" class="data" onchange="updateData()">
<label for="quantity">X</label>
</span>
</div>
<a name="url"><h2 name="title"></h2></a>
<span class="data" name="scenario_id"></span>
<span class="data" name="type"></span>
</div>
<div>
<span class="consumption_sub_total"></span>
<span class="emission_sub_total"></span>
</div>
</div>
<!------------------------------------------------------------------------------------------------->
<div class="data template" name="component" data-type="object">
<div class="row">
<span class="data" name="type"></span>
<div class="data" name="consumer" onclick="toggleDetails(this)">
<img src="images/pencil-square.svg" alt="Edit" height="16" width="16" class="edit-icon">
<h2 class="data" name="name"></h2>
<div class="details">
<span class="data" name="description"></span>
<div class="data" name="consumptions" data-type="array">
Consumption data:<br/>
<ul class="list">
<li class="data" name="template">
<span name="title">Template:</span><br/> <span class="data" name="value"></span> <span class="data" name="unit"></span>/<span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
</ul>
</div>
</div>
</div>
<div class="connector">-----</div>
<div class="usage">
<span>
<input type="number" name="quantity" class="data" onchange="updateData()">
<label for="quantity" class="data" name="quantity_unit"></label>
</span>
</div>
<div class="connector">-----</div>
<div class="data" name="source" data-type="object" onclick="toggleDetails(this)">
<img src="images/pencil-square.svg" alt="Edit" height="16" width="16" class="edit-icon">
<h2 class="data" name="name"></h2>
<span class="data" name="type"></span>
<div class="details">
<span class="data" name="description"></span>
<div class="data" name="emissions" data-type="array">
Emissions:<br/>
<ul class="list">
<li class="data" name="co2e">
<span class="data" name="value"></span> <span class="data" name="unit"></span> CO2e per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="co2">
<span class="data" name="value"></span> <span class="data" name="unit"></span> CO<sub>2</sub> per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="ch4">
<span class="data" name="value"></span> <span class="data" name="unit"></span> CH<sub>4</sub> per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="n2o">
<span class="data" name="value"></span> <span class="data" name="unit"></span> N<sub>2</sub>O per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="hfcs">
<span class="data" name="value"></span> <span class="data" name="unit"></span> HFCs per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="pfcs">
<span class="data" name="value"></span> <span class="data" name="unit"></span> PFCs per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="sf6">
<span class="data" name="value"></span> <span class="data" name="unit"></span> SF<sub>6</sub> per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
<li class="data" name="nf33">
<span class="data" name="value"></span> <span class="data" name="unit"></span> (NF<sub>3</sub>)<sup>3</sup> per <span class="data" name="base_unit"></span><sup>[<a class="data" name="reference_url" target="_blank" onclick="event.stopPropagation()">i</a>]</sup>
</li>
</ul>
</div>
</div>
</div>
</div>
<div>
<span class="consumption_sub_total"></span>
<span class="emission_sub_total"></span>
</div>
</div>
<!------------------------------------------------------------------------------------------------->
</div>
<!--------------------------------------------------------------------------------------------------------->
</body>
</html>