mirror of
https://git.topisto.net/tibo/template.git
synced 2026-03-31 17:19:10 +00:00
202511260751
This commit is contained in:
Thibaud
@@ -1,204 +0,0 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="fr">
|
||||
|
||||
<head>
|
||||
<title>template ZONES</title>
|
||||
|
||||
<meta name="description" content="PROTO">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<meta charset="utf-8">
|
||||
|
||||
<link rel="preload" as="font" type="../font/woff2" href="fonts/Fonte-Texte.woff2" crossorigin />
|
||||
<link rel="preload" as="font" type="../font/woff2" href="fonts/Fonte-Titre.woff2" crossorigin />
|
||||
<link rel="stylesheet" type="text/css" href="zones.css">
|
||||
|
||||
</head>
|
||||
|
||||
<body>
|
||||
|
||||
<section id="header">HEADER</section>
|
||||
|
||||
<section id="navbar">NAVBAR</section>
|
||||
|
||||
<section id="synthese">SYNTHESE</section>
|
||||
|
||||
<section id="principale">PRINCIPALE</section>
|
||||
|
||||
<section id="footer">FOOTER</section>
|
||||
|
||||
</body>
|
||||
|
||||
<template id="zone">
|
||||
<div id="div_before_zone"></div>
|
||||
<div id="div_zone">zone</div>
|
||||
<div id="div_after_zone"></div>
|
||||
</template>
|
||||
|
||||
<script src="zones.js"></script>
|
||||
|
||||
<script>
|
||||
|
||||
function addClassToElement(id,className){
|
||||
const element=document.querySelector(id);
|
||||
if (element) element.classList.add(className);
|
||||
}
|
||||
function removeClassToElement(id,className){
|
||||
const element=document.querySelector(id);
|
||||
if (element) element.classList.remove(className);
|
||||
}
|
||||
|
||||
function initZoneElements(zone) {
|
||||
const element=document.querySelector('#div_'+zone);
|
||||
if (element) {
|
||||
element.innerHTML=zone;
|
||||
addClassToElement('#div_before_'+zone,'div_before_section');
|
||||
addClassToElement('#div_'+zone,'div_section');
|
||||
addClassToElement('#div_after_'+zone,'div_after_section');
|
||||
}
|
||||
}
|
||||
|
||||
function initZone(zone) {
|
||||
const sectionZone = document.querySelector('#'+zone);
|
||||
if (sectionZone) {
|
||||
const template = document.querySelector('#zone');
|
||||
if (template) {
|
||||
const contenu = document.importNode(template.content, true);
|
||||
if (contenu) {
|
||||
sectionZone.innerHTML='';
|
||||
contenu.childNodes.forEach((element) => {if (element.id) element.id=element.id.replace('zone',zone)});
|
||||
sectionZone.appendChild(contenu);
|
||||
initZoneElements(zone);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
initZone('header');
|
||||
initZone('navbar');
|
||||
initZone('synthese');
|
||||
initZone('principale');
|
||||
initZone('footer');
|
||||
|
||||
addClassToElement('#div_header','header');
|
||||
addClassToElement('#div_navbar','navbar');
|
||||
addClassToElement('#div_synthese','synthese');
|
||||
addClassToElement('#div_principale','principale');
|
||||
addClassToElement('#div_footer','footer');
|
||||
|
||||
const section_navbar=document.querySelector('#div_navbar');
|
||||
const section_synthese=document.querySelector('#div_synthese');
|
||||
const after_section_synthese=document.querySelector('#div_after_synthese');
|
||||
|
||||
function scrollToElement(elementSelector) {
|
||||
const element = document.querySelector(elementSelector);
|
||||
if (element) {
|
||||
element.scrollIntoView();
|
||||
logMsg('HtmlElement','scrollTo '+elementSelector);
|
||||
}
|
||||
}
|
||||
|
||||
function etatSections(etat) {
|
||||
switch (etat) {
|
||||
case 1 :
|
||||
scrollToElement('#div_before_header');
|
||||
section_synthese.style.display = "block";
|
||||
removeClassToElement('#div_navbar','navbar_fixed');
|
||||
removeClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
case 2 :
|
||||
scrollToElement('#div_before_navbar');
|
||||
section_synthese.style.display = "block";
|
||||
addClassToElement('#div_navbar','navbar_fixed');
|
||||
addClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
case 3 :
|
||||
scrollToElement('#div_before_navbar');
|
||||
section_synthese.style.display = "none";
|
||||
addClassToElement('#div_navbar','navbar_fixed');
|
||||
addClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
after_section_synthese.addEventListener("click", function() {
|
||||
if (section_synthese.style.display === "block") {
|
||||
etatSections(3);
|
||||
} else {
|
||||
etatSections(2);
|
||||
}
|
||||
});
|
||||
|
||||
function beforeHeaderVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (!_visible) {
|
||||
etatSections(2);
|
||||
}
|
||||
}
|
||||
function afterHeaderVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (_visible) {
|
||||
etatSections(1);
|
||||
}
|
||||
}
|
||||
|
||||
addIntersectionObserverEntry("div_before_header", beforeHeaderVisibility);
|
||||
addIntersectionObserverEntry("div_after_header", afterHeaderVisibility);
|
||||
|
||||
function beforeNavbarVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (!_visible) {
|
||||
etatSections(3);
|
||||
}
|
||||
}
|
||||
function afterNavbarVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (_visible) {
|
||||
etatSections(2);
|
||||
}
|
||||
}
|
||||
addIntersectionObserverEntry("div_before_navbar", beforeNavbarVisibility);
|
||||
//addIntersectionObserverEntry("div_after_navbar", afterNavbarVisibility);
|
||||
|
||||
let yprev = window.pageYOffset;
|
||||
const scrollHandler = () => {
|
||||
const y = window.pageYOffset;
|
||||
const ymax = document.documentElement.scrollHeight - window.innerHeight;
|
||||
|
||||
if (y > yprev) {
|
||||
if (section_header.style.display !== "none") {
|
||||
section_header.style.display="none";
|
||||
} else {
|
||||
if (section_synthese.style.display !== "none") {
|
||||
section_synthese.style.display="none";
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (y < yprev) {
|
||||
if (section_synthese.style.display !== "block") {
|
||||
section_synthese.style.display="block";
|
||||
} else {
|
||||
if (section_header.style.display !== "block") {
|
||||
section_header.style.display="block";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
yprev = Math.min(Math.max(y, 0), ymax);
|
||||
};
|
||||
|
||||
const throttleCallback = (callback, timeout) => {
|
||||
let wait = false;
|
||||
return () => {
|
||||
if (wait) return;
|
||||
callback.call();
|
||||
wait = true;
|
||||
setTimeout(() => { wait = false; }, timeout);
|
||||
};
|
||||
};
|
||||
|
||||
// window.addEventListener('scroll', throttleCallback(scrollHandler, 250));
|
||||
|
||||
</script>
|
||||
|
||||
</html>
|
||||
@@ -1,112 +0,0 @@
|
||||
:root {
|
||||
|
||||
--dark-mode: 1;
|
||||
|
||||
--r-sombre: 0;
|
||||
--g-sombre: 0;
|
||||
--b-sombre: 0;
|
||||
|
||||
--r-clair: 245;
|
||||
--g-clair: 245;
|
||||
--b-clair: 240;
|
||||
|
||||
--rgb-sombre: var(--r-sombre), var(--g-sombre), var(--b-sombre);
|
||||
--rgb-clair: var(--r-clair), var(--g-clair), var(--b-clair);
|
||||
|
||||
--couleur-sombre: rgb(var(--rgb-sombre));
|
||||
--couleur-clair: rgb(var(--rgb-clair));
|
||||
|
||||
--couleur-texte: black;
|
||||
--couleur-fond: var(--couleur-clair);
|
||||
|
||||
--marker-before-height: 5px;
|
||||
--marker-after-height: 12px;
|
||||
--section-min-height: 80px;
|
||||
|
||||
--section-header-min-height: 120px;
|
||||
--section-synthese-min-height: 120px;
|
||||
--section-principale-min-height: 800px;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: 'Fonte-Texte';
|
||||
font-display: fallback;
|
||||
/* Penser à bien héberger la font sur le même domaine que mon site */
|
||||
src: url(../fonts/Fonte-Texte.woff2) format('woff2');
|
||||
/* Réutiliser ici exactement la même liste unicode que ci-dessus */
|
||||
unicode-range: U+20-5F, U+61-7A, U+7C, U+A0, U+A7, U+A9, U+AB, U+B2-B3, U+BB, U+C0, U+C2, U+C6-CB,
|
||||
U+CE-CF, U+D4, U+D9, U+DB-DC, U+E0, U+E2, U+E6-EB, U+EE-EF, U+F4, U+F9, U+FB-FC, U+FF,
|
||||
U+152-153, U+178, U+2B3, U+2E2, U+1D48-1D49, U+2010-2011, U+2013-2014, U+2019, U+201C-201D,
|
||||
U+2020-2021, U+2026, U+202F-2030, U+20AC, U+2212;
|
||||
}
|
||||
|
||||
@font-face {
|
||||
font-family: 'Fonte-Titre';
|
||||
font-display: fallback;
|
||||
/* Penser à bien héberger la font sur le même domaine que mon site */
|
||||
src: url(../fonts/Fonte-Titre.woff2) format('woff2');
|
||||
/* Réutiliser ici exactement la même liste unicode que ci-dessus */
|
||||
unicode-range: U+20-5F, U+61-7A, U+7C, U+A0, U+A7, U+A9, U+AB, U+B2-B3, U+BB, U+C0, U+C2, U+C6-CB,
|
||||
U+CE-CF, U+D4, U+D9, U+DB-DC, U+E0, U+E2, U+E6-EB, U+EE-EF, U+F4, U+F9, U+FB-FC, U+FF,
|
||||
U+152-153, U+178, U+2B3, U+2E2, U+1D48-1D49, U+2010-2011, U+2013-2014, U+2019, U+201C-201D,
|
||||
U+2020-2021, U+2026, U+202F-2030, U+20AC, U+2212;
|
||||
}
|
||||
|
||||
html {
|
||||
font-family: Fonte-Texte, monospace;
|
||||
width: 95%;
|
||||
padding-left: 0;
|
||||
padding-right: 0;
|
||||
margin: 0 auto;
|
||||
background: var(--couleur-fond);
|
||||
color: var(--couleur-texte);
|
||||
}
|
||||
|
||||
body {
|
||||
padding: 0;
|
||||
margin: 0;
|
||||
min-height:1000px;
|
||||
}
|
||||
|
||||
.div_before_section {
|
||||
color: var(--couleur-texte);
|
||||
background-color: black;
|
||||
height: var(--marker-before-height);
|
||||
}
|
||||
.div_section {
|
||||
min-height: var(--section-min-height);
|
||||
}
|
||||
.div_after_section {
|
||||
color: var(--couleur-texte);
|
||||
background-color: red;
|
||||
height: var(--marker-after-height);
|
||||
}
|
||||
|
||||
.header {
|
||||
min-height: var(--section-header-min-height);
|
||||
background-color: aqua;
|
||||
}
|
||||
.navbar {
|
||||
background-color: yellow;
|
||||
}
|
||||
|
||||
.navbar_fixed {
|
||||
position: fixed;
|
||||
top: 0;
|
||||
width: 70%;
|
||||
}
|
||||
.div_before_synthese_when_navbar_fixed {
|
||||
height: var(--section-min-height);
|
||||
}
|
||||
|
||||
.synthese {
|
||||
background-color: pink;
|
||||
min-height: var(--section-synthese-min-height);
|
||||
}
|
||||
.principale {
|
||||
min-height: var(--section-principale-min-height);
|
||||
}
|
||||
.footer {
|
||||
background-color: greenyellow;
|
||||
}
|
||||
|
||||
@@ -1,56 +0,0 @@
|
||||
function logMsg(section, message){
|
||||
console.log(section, ' : ', message)
|
||||
}
|
||||
|
||||
function intersectionObserverLog(message) {
|
||||
logMsg('intersectionObserver', message);
|
||||
}
|
||||
function intersectionObserverLogVisibility(_id, _visible) {
|
||||
if (_visible) {
|
||||
intersectionObserverLog(_id + ' is Visible');
|
||||
} else {
|
||||
intersectionObserverLog(_id + ' is NOT Visible');
|
||||
}
|
||||
}
|
||||
|
||||
const intersectionObserverRegistry = new Object();
|
||||
function setIntersectionObserverRegistry(parametre, valeur)
|
||||
{
|
||||
intersectionObserverRegistry[parametre] = valeur;
|
||||
}
|
||||
function getIntersectionObserverRegistry(parametre)
|
||||
{
|
||||
return intersectionObserverRegistry[parametre];
|
||||
}
|
||||
function entryVisiblity(_id, _visible) {
|
||||
let entry=getIntersectionObserverRegistry(_id);
|
||||
if (entry) return entry(_visible);
|
||||
return intersectionObserverLogVisibility(_id, _visible)
|
||||
}
|
||||
|
||||
// Create a function that will handle any intersection between some elements and the viewport.
|
||||
const handleIntersectionObserverEntries = function (entries) {
|
||||
entries.forEach(entry => {
|
||||
intersectionObserverLog(entry.target.id+' ratio '+entry.intersectionRatio);
|
||||
if (typeof entryVisiblity === 'function') entryVisiblity(entry.target.id, entry.isIntersecting);
|
||||
});
|
||||
}
|
||||
const intersectionObserver = new IntersectionObserver(handleIntersectionObserverEntries,{
|
||||
// Dès qu'il y a ne serait-ce qu'un pixel au dessus de la ligne rouge
|
||||
// => donc threshold = 1
|
||||
threshold: 0,
|
||||
// On met la hauteur en pixel entre la fin de l'image et la ligne rouge
|
||||
// C'est négatif parce qu'on entre à l'intérieur de l'image. Si le nombre
|
||||
// était positif, alors la ligne rouge se retrouverait sous l'image
|
||||
rootMargin: '-1px 0px'
|
||||
});
|
||||
|
||||
function addIntersectionObserverEntry(_id, _func)
|
||||
{
|
||||
let item = document.querySelector('#'+_id);
|
||||
if ((item) && (intersectionObserver)) {
|
||||
setIntersectionObserverRegistry(_id, _func);
|
||||
intersectionObserver.observe(item);
|
||||
logMsg('intersectionObserver', 'Add entry for '+ _id);
|
||||
}
|
||||
}
|
||||
@@ -8,22 +8,212 @@
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<meta charset="utf-8">
|
||||
|
||||
<link rel="stylesheet" type="text/css" href="styles.css">
|
||||
<link rel="preload" as="font" type="../font/woff2" href="fonts/Fonte-Texte.woff2" crossorigin />
|
||||
<link rel="preload" as="font" type="../font/woff2" href="fonts/Fonte-Titre.woff2" crossorigin />
|
||||
<link rel="stylesheet" type="text/css" href="zones.css">
|
||||
|
||||
</head>
|
||||
|
||||
<body>
|
||||
|
||||
<header></header>
|
||||
<section id="header">HEADER</section>
|
||||
|
||||
<nav></nav>
|
||||
<section id="navbar">NAVBAR</section>
|
||||
|
||||
<section id="synthese"></section>
|
||||
<section id="synthese">SYNTHESE</section>
|
||||
|
||||
<section id="principale"></section>
|
||||
<section id="principale">PRINCIPALE</section>
|
||||
|
||||
<footer></footer>
|
||||
<section id="footer">FOOTER</section>
|
||||
|
||||
</body>
|
||||
|
||||
<template id="zone">
|
||||
<div id="div_before_zone"></div>
|
||||
<div id="div_zone">zone</div>
|
||||
<div id="div_after_zone"></div>
|
||||
</template>
|
||||
|
||||
<script src="zones.js"></script>
|
||||
|
||||
<script>
|
||||
logMsgAddActiveSection('intersectionObserver');
|
||||
logMsgAddActiveSection('HtmlElement');
|
||||
</script>
|
||||
|
||||
<script>
|
||||
const scrollThrottleCallback = (callback, timeout) => {
|
||||
let wait = false;
|
||||
return () => {
|
||||
if (wait) return;
|
||||
callback.call();
|
||||
wait = true;
|
||||
setTimeout(() => { wait = false; }, timeout);
|
||||
};
|
||||
};
|
||||
|
||||
function addClassToElement(id,className){
|
||||
const element=document.querySelector(id);
|
||||
if (element) element.classList.add(className);
|
||||
}
|
||||
function removeClassToElement(id,className){
|
||||
const element=document.querySelector(id);
|
||||
if (element) element.classList.remove(className);
|
||||
}
|
||||
|
||||
function initZoneElements(zone) {
|
||||
const element=document.querySelector('#div_'+zone);
|
||||
if (element) {
|
||||
element.innerHTML=zone;
|
||||
addClassToElement('#div_before_'+zone,'div_before_section');
|
||||
addClassToElement('#div_'+zone,'div_section');
|
||||
addClassToElement('#div_after_'+zone,'div_after_section');
|
||||
}
|
||||
}
|
||||
|
||||
function initZone(zone) {
|
||||
const sectionZone = document.querySelector('#'+zone);
|
||||
if (sectionZone) {
|
||||
const template = document.querySelector('#zone');
|
||||
if (template) {
|
||||
const contenu = document.importNode(template.content, true);
|
||||
if (contenu) {
|
||||
sectionZone.innerHTML='';
|
||||
contenu.childNodes.forEach((element) => {if (element.id) element.id=element.id.replace('zone',zone)});
|
||||
sectionZone.appendChild(contenu);
|
||||
initZoneElements(zone);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
initZone('header');
|
||||
initZone('navbar');
|
||||
initZone('synthese');
|
||||
initZone('principale');
|
||||
initZone('footer');
|
||||
|
||||
addClassToElement('#div_header','header');
|
||||
addClassToElement('#div_navbar','navbar');
|
||||
addClassToElement('#div_synthese','synthese');
|
||||
addClassToElement('#div_principale','principale');
|
||||
addClassToElement('#div_footer','footer');
|
||||
|
||||
const section_navbar=document.querySelector('#div_navbar');
|
||||
const section_synthese=document.querySelector('#div_synthese');
|
||||
const after_section_synthese=document.querySelector('#div_after_synthese');
|
||||
|
||||
function scrollToElement(elementSelector) {
|
||||
const element = document.querySelector(elementSelector);
|
||||
if (element) {
|
||||
element.scrollIntoView();
|
||||
logMsg('HtmlElement','scrollTo '+elementSelector);
|
||||
}
|
||||
}
|
||||
|
||||
function etatSections(etat) {
|
||||
switch (etat) {
|
||||
case 1 :
|
||||
scrollToElement('#div_before_header');
|
||||
section_header.style.display = "block";
|
||||
section_synthese.style.display = "block";
|
||||
removeClassToElement('#div_navbar','navbar_fixed');
|
||||
removeClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
case 2 :
|
||||
scrollToElement('#div_before_navbar');
|
||||
section_synthese.style.display = "block";
|
||||
addClassToElement('#div_navbar','navbar_fixed');
|
||||
addClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
case 3 :
|
||||
scrollToElement('#div_before_navbar');
|
||||
section_synthese.style.display = "none";
|
||||
addClassToElement('#div_navbar','navbar_fixed');
|
||||
addClassToElement('#div_before_synthese','div_before_synthese_when_navbar_fixed');
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
let currentEtat=1;
|
||||
function changeEtatUp() {
|
||||
if (++currentEtat > 3) currentEtat = 3;
|
||||
etatSections(currentEtat);
|
||||
}
|
||||
function changeEtatDown(){
|
||||
if (--currentEtat > 3) currentEtat = 1;
|
||||
etatSections(currentEtat);
|
||||
}
|
||||
|
||||
after_section_synthese.addEventListener("click", function() {
|
||||
if (section_synthese.style.display === "block") {
|
||||
section_synthese.style.display = "none";
|
||||
} else {
|
||||
section_synthese.style.display = "block";
|
||||
}
|
||||
});
|
||||
|
||||
function beforeHeaderVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (!_visible) {
|
||||
changeEtatUp();
|
||||
}
|
||||
}
|
||||
function afterHeaderVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (_visible) {
|
||||
changeEtatDown();
|
||||
}
|
||||
}
|
||||
|
||||
addIntersectionObserverEntry("div_before_header", beforeHeaderVisibility);
|
||||
addIntersectionObserverEntry("div_after_header", afterHeaderVisibility);
|
||||
|
||||
function beforeNavbarVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (!_visible) {
|
||||
changeEtatUp();
|
||||
}
|
||||
}
|
||||
function afterNavbarVisibility(_visible) {
|
||||
intersectionObserverLog('TRIGGER '+arguments.callee.name);
|
||||
if (_visible) {
|
||||
changeEtatDown();
|
||||
}
|
||||
}
|
||||
addIntersectionObserverEntry("div_before_navbar", beforeNavbarVisibility);
|
||||
//addIntersectionObserverEntry("div_after_navbar", afterNavbarVisibility);
|
||||
|
||||
let yprev = window.pageYOffset;
|
||||
const scrollHandler = () => {
|
||||
const y = window.pageYOffset;
|
||||
const ymax = document.documentElement.scrollHeight - window.innerHeight;
|
||||
|
||||
if (y > yprev) {
|
||||
if (section_header.style.display !== "none") {
|
||||
section_header.style.display="none";
|
||||
} else {
|
||||
if (section_synthese.style.display !== "none") {
|
||||
section_synthese.style.display="none";
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (y < yprev) {
|
||||
if (section_synthese.style.display !== "block") {
|
||||
section_synthese.style.display="block";
|
||||
} else {
|
||||
if (section_header.style.display !== "block") {
|
||||
section_header.style.display="block";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
yprev = Math.min(Math.max(y, 0), ymax);
|
||||
};
|
||||
|
||||
// window.addEventListener('scroll', throttleCallback(scrollHandler, 250));
|
||||
|
||||
</script>
|
||||
|
||||
</html>
|
||||
@@ -1,3 +1,29 @@
|
||||
const logMsgActivesSections = new Set();
|
||||
|
||||
function logMsgAddActiveSection(sectionName) {
|
||||
logMsgActivesSections.add(sectionName);
|
||||
}
|
||||
|
||||
function logMsgRemoveActiveSection(sectionName) {
|
||||
logMsgActivesSections.delete(sectionName);
|
||||
}
|
||||
|
||||
function logMsg(section, message){
|
||||
if (logMsgActivesSections.has(section))
|
||||
console.log(section, ' : ', message)
|
||||
}
|
||||
|
||||
function intersectionObserverLog(message) {
|
||||
logMsg('intersectionObserver', message);
|
||||
}
|
||||
function intersectionObserverLogVisibility(_id, _visible) {
|
||||
if (_visible) {
|
||||
intersectionObserverLog(_id + ' is Visible');
|
||||
} else {
|
||||
intersectionObserverLog(_id + ' is NOT Visible');
|
||||
}
|
||||
}
|
||||
|
||||
const intersectionObserverRegistry = new Object();
|
||||
function setIntersectionObserverRegistry(parametre, valeur)
|
||||
{
|
||||
@@ -10,16 +36,25 @@ function getIntersectionObserverRegistry(parametre)
|
||||
function entryVisiblity(_id, _visible) {
|
||||
let entry=getIntersectionObserverRegistry(_id);
|
||||
if (entry) return entry(_visible);
|
||||
return consoleLog(_id, _visible)
|
||||
return intersectionObserverLogVisibility(_id, _visible)
|
||||
}
|
||||
|
||||
// Create a function that will handle any intersection between some elements and the viewport.
|
||||
const handleIntersectionObserverEntries = function (entries) {
|
||||
entries.forEach(entry => {
|
||||
intersectionObserverLog(entry.target.id+' ratio '+entry.intersectionRatio);
|
||||
if (typeof entryVisiblity === 'function') entryVisiblity(entry.target.id, entry.isIntersecting);
|
||||
});
|
||||
}
|
||||
const intersectionObserver = new IntersectionObserver(handleIntersectionObserverEntries);
|
||||
const intersectionObserver = new IntersectionObserver(handleIntersectionObserverEntries,{
|
||||
// Dès qu'il y a ne serait-ce qu'un pixel au dessus de la ligne rouge
|
||||
// => donc threshold = 1
|
||||
threshold: 0,
|
||||
// On met la hauteur en pixel entre la fin de l'image et la ligne rouge
|
||||
// C'est négatif parce qu'on entre à l'intérieur de l'image. Si le nombre
|
||||
// était positif, alors la ligne rouge se retrouverait sous l'image
|
||||
rootMargin: '-1px 0px'
|
||||
});
|
||||
|
||||
function addIntersectionObserverEntry(_id, _func)
|
||||
{
|
||||
@@ -27,55 +62,6 @@ function addIntersectionObserverEntry(_id, _func)
|
||||
if ((item) && (intersectionObserver)) {
|
||||
setIntersectionObserverRegistry(_id, _func);
|
||||
intersectionObserver.observe(item);
|
||||
logMsg('intersectionObserver', 'Add entry for '+ _id);
|
||||
}
|
||||
}
|
||||
|
||||
function consoleLog(_id, _visible) {
|
||||
if (_visible) {
|
||||
console.log(_id + ' is Visible');
|
||||
} else {
|
||||
console.log(_id + ' is NOT Visible');
|
||||
}
|
||||
}
|
||||
|
||||
function scrollToElement(elementSelector) {
|
||||
let element = document.querySelector(elementSelector);
|
||||
if (element) element.scrollIntoView({ behavior: 'smooth' });
|
||||
}
|
||||
|
||||
function beforeHeaderVisibility(_visible) {
|
||||
console.log('TRIGGER beforeHeaderVisibility');
|
||||
if (_visible) {
|
||||
console.log('HEADER is Visible');
|
||||
} else {
|
||||
console.log('HEADER is NOT Visible');
|
||||
scrollToElement('#before_nav');
|
||||
}
|
||||
}
|
||||
function afterHeaderVisibility(_visible) {
|
||||
console.log('TRIGGER afterHeaderVisibility');
|
||||
if (_visible) {
|
||||
scrollToElement('#before_header');
|
||||
} else {
|
||||
console.log('HEADER is NOT Visible');
|
||||
}
|
||||
}
|
||||
|
||||
function beforeNavVisibility(_visible) {
|
||||
console.log('TRIGGER beforeNavVisibility');
|
||||
let synthese=document.querySelector('#synthese');
|
||||
if (synthese) {
|
||||
if (_visible) {
|
||||
synthese.style.display="block";
|
||||
} else {
|
||||
synthese.style.display="none";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
addIntersectionObserverEntry("before_header", beforeHeaderVisibility);
|
||||
addIntersectionObserverEntry("after_header", afterHeaderVisibility);
|
||||
|
||||
addIntersectionObserverEntry("before_nav", beforeNavVisibility);
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user