Animation et micro-interactions

Chargeur multi-étapes pour le téléversement de fichiers

Réalisez un chargeur en plusieurs étapes dans un scénario de téléversement de fichiers : avec du contenu réel, des contrôles utilisables, un retour d’état clair et une mise en page adaptée à toutes les tailles d’écran.

Animation et micro-interactionschargeur multi-étapesHTMLCSS AnimationJavaScript
Après activation de JavaScript, ce cas peut être modifié, exécuté et enregistré. Code source fixe ci-dessous :
<!doctype html>
<html lang="fr" dir="ltr">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Chargeur multi-étapes pour le téléversement de fichiers</title>
  <style>
    :root { --ink:#18332f; --paper:#f4efe4; --accent:#d45f3e; --secondary:#8fc4ad; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
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    html { min-width:320px; background:var(--paper); }
    body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:Didot,"Songti SC",serif; background:linear-gradient(30deg,transparent 48%,color-mix(in srgb,var(--accent) 9%,transparent) 49% 51%,transparent 52%),var(--paper);background-size:52px 90px; }
    button,input,select,textarea { color:inherit; font:inherit; }
    button,[role="button"],input,select,textarea { accent-color:var(--accent); }
    button { cursor:pointer; }
    button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
    [hidden] { display:none !important; }
    @media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
    @media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
    .page{width:min(1040px,calc(100% - 36px));margin:auto;padding:64px 0}.mast{display:grid;justify-items:center;text-align:center;border-block:3px double var(--accent);padding:26px;gap:20px;margin-bottom:32px}.mast h1{font-family:Didot,"Songti SC",serif;font-weight:700;font-size:clamp(38px,8vw,86px);letter-spacing:.035em;margin:0;line-height:1}.eyebrow{display:block;color:var(--accent);font:800 11px/1 ui-monospace,monospace;letter-spacing:.3em}.intro{max-width:600px;margin-inline:auto;line-height:1.8}.scenario{padding:8px 26px;border-inline:1px solid var(--accent);letter-spacing:.16em}.demo{border:4px double var(--accent);border-radius:0;clip-path:polygon(24px 0,calc(100% - 24px) 0,100% 24px,100% calc(100% - 24px),calc(100% - 24px) 100%,24px 100%,0 calc(100% - 24px),0 24px);position:relative;min-height:440px;overflow:hidden;padding:clamp(28px,5vw,60px);background:var(--paper)}@media(max-width:700px){.page{width:calc(100% - 20px);padding:24px 0}.mast{padding:18px}.demo{padding:18px}}
    .panel{padding:22px;border:1px solid var(--line);background:color-mix(in srgb,#fff 58%,transparent)}.stack{display:grid;gap:15px}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.action{min-height:44px;padding:10px 17px;border:1px solid var(--ink);border-radius:999px;background:transparent}.action.primary,.action.is-active{color:var(--paper);background:var(--accent)}.muted{opacity:.68}.status{min-height:24px;margin-top:15px;color:var(--accent);font-weight:800}.metric{font-size:clamp(30px,6vw,58px);font-weight:900}.meter{height:9px;overflow:hidden;border-radius:999px;background:color-mix(in srgb,var(--ink) 12%,transparent)}.meter>i{display:block;height:100%;background:var(--accent)}.chip{padding:6px 9px;border:1px solid var(--line);border-radius:999px;font-size:12px}
    .composition-deck{display:grid;grid-template-rows:auto 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:color-mix(in srgb,var(--ink) 4%,var(--paper))}.deck-bar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:12px 18px;color:var(--paper);background:var(--ink);font:700 12px/1 ui-monospace,monospace}.deck-lights{display:flex;gap:7px}.deck-lights i{width:10px;height:10px;border-radius:50%;background:var(--accent)}.deck-lights i:nth-child(2){background:var(--secondary)}.deck-lights i:nth-child(3){background:color-mix(in srgb,var(--paper) 55%,transparent)}.composition-deck .demo{border:0;border-radius:0;box-shadow:none}
    .stage-loader{display:grid;gap:20px;max-width:720px;margin:auto}.stage-loader h2{margin:.3em 0}.loader-track{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.loader-track i{z-index:2;width:34px;height:34px;justify-self:center;border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%}.loader-track.is-running i{animation:stageSpin .8s linear infinite}.loader-track i.is-done{border-color:var(--accent);background:var(--accent)}.loader-track span{position:absolute;left:16%;right:16%;top:16px;height:3px;background:var(--line)}#loaderSteps{display:grid;grid-template-columns:repeat(3,1fr);padding:0;text-align:center;list-style:none}#loaderSteps li.is-active{color:var(--accent);font-weight:900}@keyframes stageSpin{to{transform:rotate(1turn)}}.workflow-dispatch{display:grid;grid-template-columns:minmax(210px,.48fr) minmax(0,1.52fr);gap:18px}.dispatch-console{display:grid;align-content:start;gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--secondary) 12%,var(--paper))}.dispatch-console h2{margin:.2em 0}.dispatch-console form,.dispatch-console label{display:grid;gap:7px}.dispatch-console input,.dispatch-console select{min-width:0;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.dispatch-console fieldset{display:flex;gap:12px;border:1px solid var(--line);border-radius:10px}.dispatch-console fieldset label{display:flex;align-items:center}.dispatch-workbench{--dispatch-load:.22;min-width:0;padding:14px;border-left:8px solid color-mix(in srgb,var(--accent) calc(var(--dispatch-load)*100%),var(--line));background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 8%,transparent),transparent 28%)}.dispatch-workbench[data-dispatch-priority="urgent"]{box-shadow:inset 0 0 0 2px var(--accent)}@media(max-width:900px){.workflow-dispatch{grid-template-columns:1fr}.dispatch-console{order:2}}
  </style>
</head>
<body data-aesthetic="art-deco" data-composition="control-deck">
  <main class="page">
    <header class="mast"><div><span class="eyebrow">art-deco / chargeur multi-étapes / INTERMEDIATE</span><h1>Chargeur multi-étapes pour le téléversement de fichiers</h1><p class="intro">Réalisez un chargeur en plusieurs étapes dans un scénario de téléversement de fichiers : avec du contenu réel, des contrôles utilisables, un retour d’état clair et une mise en page adaptée à toutes les tailles d’écran.</p></div><span class="scenario">Téléversement de fichier</span></header>
    <div class="composition-deck"><div class="deck-bar"><span>CONTROL DECK · 04</span><span>chargeur multi-étapes</span><span class="deck-lights" aria-hidden="true"><i></i><i></i><i></i></span></div><section class="demo" aria-label="Zone d’interaction du chargeur multiétapes pour l’envoi de fichiers"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">Téléversement de fichier DISPATCH</span><h2>Console de planification de la file d’attente des téléchargements</h2><form id="workflowDispatchForm"><label>Type de tâche<select id="workflowDispatchKind"><option>fichier image</option><option>Document</option><option>Fichier compressé</option></select></label><label>Nombre de fichiers<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="18"><span>élément</span></label><fieldset><legend>Priorité de traitement</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Standard</label><label><input type="radio" name="workflowPriority" value="urgent">Urgent</label></fieldset><button class="action primary" type="submit">Commencer le téléversement</button></form><label>Tâche en cours<select id="workflowDispatchActive" aria-label="Basculer la tâche en cours"><option value="1">fichier image</option><option value="2">Document</option></select></label><output id="workflowDispatchSummary">En attente de planification</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:animation-microinteractions-css-loader --><div class="stage-loader panel"><header><span class="eyebrow">MULTI-STAGE LOADER</span><h2>File de traitement des téléchargements de fichiers</h2></header><div id="loaderTrack" class="loader-track" role="progressbar" aria-label="Progression de chargement en trois phases" aria-valuemin="0" aria-valuemax="3" aria-valuenow="0"><i></i><i></i><i></i><span></span></div><ol id="loaderSteps"><li>Préparer les ressources</li><li>Traiter le contenu</li><li>Vérification terminée</li></ol><button id="startLoader" class="action primary" type="button" data-core-bridge="animation-microinteractions-css-loader">Démarrage du chargement</button></div><!-- 11DZ_CORE_END --></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
  </main>
  <script>
    'use strict';
    const statusOutput = document.querySelector('#status');
    const announce = message => { statusOutput.textContent = message; };
    /* 11DZ_CORE_SCRIPT_START:animation-microinteractions-css-loader */
const loaderTrack=document.querySelector('#loaderTrack');const loaderDots=[...loaderTrack.querySelectorAll('i')];const loaderLabels=[...document.querySelectorAll('#loaderSteps li')];let loaderTimers=[];let loaderRun=0;document.querySelector('#startLoader').addEventListener('click',event=>{loaderTimers.forEach(clearTimeout);loaderTimers=[];loaderRun+=1;loaderTrack.dataset.run=String(loaderRun);loaderTrack.classList.add('is-running');loaderDots.forEach(dot=>dot.classList.remove('is-done'));loaderLabels.forEach(label=>label.classList.remove('is-active'));loaderTrack.setAttribute('aria-valuenow','0');event.currentTarget.textContent=loaderRun===1?'Recommencer le chargement':'Redémarrer · n° '+loaderRun+' Suivant';announce('Démarré n° '+loaderRun+' Chargement local suivant');loaderDots.forEach((dot,index)=>loaderTimers.push(setTimeout(()=>{dot.classList.add('is-done');loaderLabels[index].classList.add('is-active');loaderTrack.setAttribute('aria-valuenow',String(index+1));announce('Étape terminée '+(index+1)+':'+loaderLabels[index].textContent);if(index===loaderDots.length-1){loaderTrack.classList.remove('is-running');event.currentTarget.textContent='Recharger';}},(index+1)*450)));});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"animation-microinteractions-css-loader","selector":"[data-core-bridge=\"animation-microinteractions-css-loader\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · Version de base '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"fichier image","amount":12,"priority":"normal","touches":0}],["2",{"label":"Document","amount":21,"priority":"urgent","touches":0}]]);let workflowDispatchSerial=workflowDispatchJobs.size;function workflowDispatchDrive(job,activate=false){workflowDispatchCore.dataset.dispatchPriority=job.priority;workflowDispatchCore.style.setProperty('--dispatch-load',Math.min(.95,.16+job.amount/120));const bridge=activate?workflowBridgeActivate():{changed:false,summary:workflowBridgeSummary()};document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' éléments · '+bridge.summary;announce('Tâche actuelle de la file d’attente des envois :'+job.label);}function workflowDispatchRender(activeId,activate=false){workflowDispatchSelect.replaceChildren(...[...workflowDispatchJobs].map(([id,job])=>{const option=document.createElement('option');option.value=id;option.textContent=job.label+(job.priority==='urgent'?' · Urgent':'');return option;}));workflowDispatchSelect.value=activeId;workflowDispatchDrive(workflowDispatchJobs.get(activeId),activate);}workflowDispatchForm.addEventListener('submit',event=>{event.preventDefault();const data=new FormData(workflowDispatchForm);const id=String(++workflowDispatchSerial);workflowDispatchJobs.set(id,{label:document.querySelector('#workflowDispatchKind').value,amount:Math.max(1,Number(document.querySelector('#workflowDispatchAmount').value)||1),priority:data.get('workflowPriority'),touches:0});workflowDispatchRender(id,true);});workflowDispatchSelect.addEventListener('change',()=>workflowDispatchDrive(workflowDispatchJobs.get(workflowDispatchSelect.value),true));workflowDispatchCore.addEventListener('focusin',()=>{const job=workflowDispatchJobs.get(workflowDispatchSelect.value);if(!job)return;job.touches+=1;document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' éléments · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
  </script>
</body>
</html>
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