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example.html
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<!doctype html>
<html lang="fr">
<head>
<meta charset="utf-8">
<title>SignalAnnotation</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/open-iconic/1.1.1/font/css/open-iconic-bootstrap.min.css" integrity="sha256-BJ/G+e+y7bQdrYkS2RBTyNfBHpA9IuGaPmf9htub5MQ=" crossorigin="anonymous" />
<style type="text/css">
/* context menu */
.context-menu {
display: none;
position: absolute;
z-index: 10;
padding: 12px 0;
width: 240px;
background-color: #fff;
border: solid 1px #dfdfdf;
box-shadow: 1px 1px 2px #cfcfcf;
}
.context-menu--active {
display: block;
}
.context-menu__items {
list-style: none;
margin: 0;
padding: 0;
}
.context-menu__item {
display: block;
margin-bottom: 4px;
}
.context-menu__item:last-child {
margin-bottom: 0;
}
.context-menu__link {
display: block;
padding: 4px 12px;
color: #0066aa;
text-decoration: none;
}
.context-menu__link:hover {
color: #fff;
background-color: #0066aa;
}
.inputfile {
width: 0.1px;
height: 0.1px;
opacity: 0;
overflow: hidden;
position: absolute;
z-index: -1;
}
label {
display: block;
margin-left: auto;
margin-right: auto
}
.inputfile + label {
padding: 10px;
font-size: 1.25em;
font-weight: 700;
color: white;
background-color: #ff3349 ;
display: inline-block;
}
.inputfile:focus + label,
.inputfile + label:hover {
background-color: red;
}
.inputfile + label {
cursor: pointer; /* "hand" cursor */
}
</style>
</head>
<body>
<div class="modal fade" id="helpModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLabel">How to use this Signal Annotator?</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
<h3>Move in the record</h3>
<ul>
<li><b>Zoom</b> = ctrl + Mouse Scrool</li>
<li><b>Move forward/backward</b> = using your <span class="oi oi-arrow-thick-left"></span> and <span class="oi oi-arrow-thick-right"></span> keys on your keyboard, or the arrows buttons available under the signals.</li>
</ul>
<h3>Annotate</h3>
<p>An annotation is defined by two timestamps: the beginning and the end of the annotation. When an annotation is a unique sample (not a timerange) the beginning equals the end.</p>
<ul>
<li><b>Annotate a sample</b> = Double click on the place where you would like to set your annotation. This will draw a vertical line.</li>
<li><b>Annotate a timerange</b> = First click on the beginning and then click on the end. This will draw a rectangle over the annotation.</li>
<li><b>Edit an annotation</b> = Right click on the annotation and click on the Edit option.</li>
<li><b>Delete an annotation</b> = Right click on the annotation and click on the Delete option.</li>
</ul>
</div>
<div class="modal-footer">
<a target="_blank" type="button" class="btn btn-primary" href="https://github.com/Dubrzr/SignalAnnotation/issues/new">I have one more question</a>
<button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-sm">
</div>
<div class="col-sm">
<div id="canvass"></div>
</div>
<div class="col-sm">
</div>
</div>
<div class="row">
<div class="col-sm">
<div class="form-group form-check">
<input type="checkbox" class="form-check-input" id="annotations" checked>
<label class="form-check-label" for="annotations">Display annotations</label>
<br>
<input type="checkbox" class="form-check-input" id="grid">
<label class="form-check-label" for="grid">Display grid</label>
<br>
<input type="checkbox" class="form-check-input" id="magnetism">
<label class="form-check-label" for="magnetism">Magnetism (todo)</label>
</div>
</div>
<div class="col-sm">
<button id="moveLeft" type="button" class="btn btn-outline-secondary" title="Move backward"><span class="oi oi-arrow-thick-left"></span></button>
<button id="moveRight" type="button" class="btn btn-outline-secondary" title="Move forward"><span class="oi oi-arrow-thick-right"></span></button>
</div>
<div class="col-sm">
<button type="button" class="btn btn-success" id="save">Export annotations</button>
<button type="button" class="btn btn-info" data-toggle="modal" data-target="#helpModal">Help</button>
<a type="button" class="btn btn-primary" target="_blank" href="https://github.com/Dubrzr/SignalAnnotation">Contribute</a>
</div>
</div>
</div>
<nav id="context-menu" class="context-menu">
<ul class="context-menu__items">
<li class="context-menu__item">
<a href="#" class="context-menu__link" data-action="Edit"><i class="fa fa-edit"></i> Edit</a>
</li>
<li class="context-menu__item">
<a href="#" class="context-menu__link" data-action="Delete"><i class="fa fa-times"></i> Delete</a>
</li>
</ul>
</nav>
<!-- Bootstrap -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
<!-- Signal annotation -->
<script src="concrete.min.js"></script>
<script src="annotator.js"></script>
<script type="text/javascript">
const sig_colors = {
"II": "#00FF00",
"AVR": "#00FF00",
"V": "#00FF00",
"RESP": "#FFFF00",
"PLETH": "#82CEFC",
"ABP": "#FF0000",
"CVP": "#FAA804",
};
const canvass = document.getElementById("canvass");
let request = new XMLHttpRequest();
request.open('GET', 'test_data.json', false); // `false` makes the request synchronous
request.send(null);
let sig_name = null;
let values = null;
if (request.status === 200) {
const data = JSON.parse(request.responseText);
sig_name = data.sig_name;
values = data.data;
}
console.assert(sig_name.length == values.length);
const contextMenuClassName = "context-menu";
const contextMenuItemClassName = "context-menu__item";
const contextMenuLinkClassName = "context-menu__link";
const contextMenuActive = "context-menu--active";
const taskItemClassName = "task";
let taskItemInContext;
let clickCoords;
let clickCoordsX;
let clickCoordsY;
const menu = document.querySelector("#context-menu");
const menuItems = menu.querySelectorAll(".context-menu__item");
let menuState = 0;
let menuWidth;
let menuHeight;
let menuPosition;
let menuPositionX;
let menuPositionY;
let windowWidth;
let windowHeight;
let currentAnnotation;
let currentAnnotator;
let annotators = [];
// Function to check if we clicked inside an element with a particular class name.
function clickInsideElement(event, className) {
let el = event.srcElement || event.target;
if (el.classList.contains(className)) {
return el;
} else {
while (el = el.parentNode) {
if (el.classList && el.classList.contains(className)) {
return el;
}
}
}
return false;
}
function getPosition(event) {
let posx = 0;
let posy = 0;
if (event.pageX || event.pageY) {
posx = event.pageX;
posy = event.pageY;
} else if (event.clientX || event.clientY) {
posx = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
posy = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
}
return {
x: posx,
y: posy
}
}
function positionMenu(event) {
clickCoords = getPosition(event);
clickCoordsX = clickCoords.x;
clickCoordsY = clickCoords.y;
menuWidth = menu.offsetWidth + 4;
menuHeight = menu.offsetHeight + 4;
windowWidth = window.innerWidth;
windowHeight = window.innerHeight;
if ( (windowWidth - clickCoordsX) < menuWidth ) {
menu.style.left = windowWidth - menuWidth + "px";
} else {
menu.style.left = clickCoordsX + "px";
}
if ( (windowHeight - clickCoordsY) < menuHeight ) {
menu.style.top = windowHeight - menuHeight + "px";
} else {
menu.style.top = clickCoordsY + "px";
}
}
function toggleMenuOn() {
if (menuState !== 1) {
menuState = 1;
menu.classList.add(contextMenuActive);
for (let idx in annotators) {
const ann = annotators[idx];
ann.disable_annotations();
}
}
}
function toggleMenuOff() {
if (menuState !== 0) {
menuState = 0;
menu.classList.remove(contextMenuActive);
for (let idx in annotators) {
const ann = annotators[idx];
ann.enable_annotations();
}
}
}
function annotationLeftClickCallback(idx) {
function fun(event, annotation) {
}
return fun;
}
function annotationRightClickCallback(idx) {
function fun(event, annotation) {
console.log("annotationRightClickCallback");
taskItemInContext = clickInsideElement(event, taskItemClassName);
event.preventDefault();
toggleMenuOn();
positionMenu(event);
currentAnnotation = annotation;
currentAnnotator = idx;
}
return fun;
}
document.addEventListener("click", function(event) {
console.log("Clicked")
var clickeElIsLink = clickInsideElement(event, contextMenuLinkClassName);
if (clickeElIsLink) {
event.preventDefault();
const action = clickeElIsLink.getAttribute("data-action");
if (action === "Edit") {
}
else if (action === "Delete") {
annotators[currentAnnotator].remove_annotation(currentAnnotation);
toggleMenuOff();
}
console.log(action);
} else {
var button = event.which || event.button;
if (button === 1) {
toggleMenuOff();
}
}
});
for (let i = 0; i < sig_name.length; i++) {
let subDiv = canvass.appendChild(document.createElement('div'));
const ann = new Annotator(
subDiv,
1100,
110,
sig_name[i] + " [mV]",
values[i],
125,
0,
"#000",
sig_colors[sig_name[i]],
document.querySelector('#magnetism:checked') !== null,
1000,
125/2, 125/8, 100, 10);
ann.setAnnotationLeftClickCallback(annotationLeftClickCallback(i));
ann.setAnnotationRightClickCallback(annotationRightClickCallback(i));
annotators.push(ann);
}
function send_json_to_client(filename, json_contents) {
var element = document.createElement('a');
element.setAttribute('href', "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(json_contents)));
element.setAttribute('download', filename);
element.style.display = 'none';
document.body.appendChild(element);
element.click();
document.body.removeChild(element);
}
document.getElementById("save").addEventListener("click", () => {
const result = {};
for (let idx in annotators) {
const ann = annotators[idx];
result[ann.sig_name] = ann.get_annotations();
//console.log(annotations);
}
send_json_to_client("annotations.json", result);
});
function smooth(x) {
// Returns smoothed values between zero and one
if (x <= -1)
return 0;
if (x >= 1)
return 1;
return 2/(1+Math.exp(-5*x))/2;
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
let moving = false;
async function moveToSmooth(diff_offset, animation_length_ms) {
moving = true;
if (annotators.length == 0)
return;
var start_offset = annotators[0].current_offset;
let start_offsets = [];
for (let idx in annotators) {
start_offsets.push(annotators[idx].current_offset);
}
// let diff = offset - start_offset;
// Smoothed
const start = (new Date()).getTime(); // -1
const end = start + animation_length_ms; // +1
let now = (new Date()).getTime();
while (now < end) {
const elapsed = now - start;
const expected_offset = Math.floor(smooth(2*(elapsed/animation_length_ms)-1) * diff_offset);
//console.log(elapsed, expected_offset, start_offset + expected_offset);
for (let idx in annotators) {
annotators[idx].moveTo(start_offsets[idx] + expected_offset);
}
now = (new Date()).getTime();
await sleep(1);
}
for (let idx in annotators) {
annotators[idx].moveTo(start_offsets[idx] + diff_offset);
}
moving = false;
}
document.getElementById("moveLeft").addEventListener("click", () => {
if (moving)
return;
moveToSmooth(-125, 500);
});
document.getElementById("moveRight").addEventListener("click", () => {
if (moving)
return;
moveToSmooth(125, 500);
});
document.getElementById("magnetism").addEventListener("change", (event) => {
for (let idx in annotators) {
const ann = annotators[idx];
if (event.target.checked) {
ann.enable_magnetism();
console.log("Enabled magnetism :D");
} else {
ann.disable_magnetism();
console.log("Disabled magnetism :o");
}
}
});
document.getElementById("grid").addEventListener("change", (event) => {
for (let idx in annotators) {
const ann = annotators[idx];
if (event.target.checked) {
ann.enable_grids();
} else {
ann.disable_grids();
}
}
});
document.getElementById("annotations").addEventListener("change", (event) => {
for (let idx in annotators) {
const ann = annotators[idx];
if (event.target.checked) {
ann.enable_annotations();
} else {
ann.disable_annotations();
}
}
});
document.addEventListener('keydown', function(event) {
if (moving)
return;
if(event.keyCode == 37) {
moveToSmooth(-125, 220);
}
else if(event.keyCode == 39) {
moveToSmooth(125, 220);
}
});
document.addEventListener("wheel", function(event){
if(event.ctrlKey){
event.preventDefault();
for (let idx in annotators) {
const ann = annotators[idx];
ann.zoomToEvent(event);
}
}
});
</script>
</body>
</html>