Formulário automático de rascunho para matrícula em curso
Crie um formulário de rascunho automático para o cenário de matrícula em cursos: inclua conteúdo real, controles acionáveis, feedback claro de estado e um layout adaptado a diferentes tamanhos.
É possível editar, executar e salvar este exemplo após ativar JavaScript. O código-fonte fixo é o seguinte:
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<html lang="pt-BR" dir="ltr">
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Formulário automático de rascunho para matrícula em curso</title>
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<body data-aesthetic="terminal" data-composition="studio">
<main class="page">
<header class="mast"><div><span class="eyebrow">terminal / formulário de rascunho automático / INTERMEDIATE</span><h1>Formulário automático de rascunho para matrícula em curso</h1><p class="intro">Crie um formulário de rascunho automático para o cenário de matrícula em cursos: inclua conteúdo real, controles acionáveis, feedback claro de estado e um layout adaptado a diferentes tamanhos.</p></div><span class="scenario">Inscrição no curso</span></header>
<div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Área interativa do formulário de rascunho automático de matrícula no curso"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">Inscrição no curso SESSION</span><h2>Painel de planejamento da matrícula em disciplinas</h2></div><output id="workflowSessionClock">00:45</output><label>Duração da rodada<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>s</span></label><button id="workflowSessionToggle" class="action primary" type="button">Iniciar envio da inscrição na disciplina</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="Progresso do plano de disciplinas" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:forms-input-draft-editor --><div class="draft-editor panel"><header><span class="eyebrow">LOCAL DRAFT</span><h2>Rascunho de cadastro do curso</h2><output id="draftState">Ainda não inserido</output></header><label>Corpo do texto <textarea id="draftText" rows="10" placeholder="O conteúdo será salvo automaticamente no navegador local"></textarea></label><div class="row"><button id="saveDraft" class="action primary" type="button" data-core-bridge="forms-input-draft-editor">Salvar agora</button><button id="clearDraft" class="action" type="button">Limpar rascunho</button></div></div><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 pontos de verificação de interação</strong><ol id="workflowSessionLaps" aria-label="Registro da rodada"></ol></footer></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:forms-input-draft-editor */
const draftText=document.querySelector('#draftText');const draftState=document.querySelector('#draftState');const draftKey='forms-input-draft-editor-course-enrollment:draft';let draftTimer=null;try{draftText.value=localStorage.getItem(draftKey)||'';draftState.textContent=draftText.value?'Rascunho local restaurado':'Ainda não inserido';}catch{draftState.textContent='O ambiente atual não permite salvar de forma persistente';}function saveLocalDraft(){clearTimeout(draftTimer);try{localStorage.setItem(draftKey,draftText.value);draftState.textContent='Salvo automaticamente '+draftText.value.length+' caractere';announce('Rascunho salvo localmente');}catch{draftState.textContent='Não foi possível gravar no armazenamento local';announce('O ambiente atual não suporta salvar rascunhos');}}draftText.addEventListener('input',()=>{draftState.textContent='Aguardando salvamento automático';clearTimeout(draftTimer);draftTimer=setTimeout(saveLocalDraft,400);});document.querySelector('#saveDraft').addEventListener('click',saveLocalDraft);document.querySelector('#clearDraft').addEventListener('click',()=>{draftText.value='';try{localStorage.removeItem(draftKey);}catch{}draftState.textContent='Rascunho limpo';announce('Rascunho limpo');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"forms-input-draft-editor","selector":"[data-core-bridge=\"forms-input-draft-editor\"]","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+' · versão principal '+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 workflowSessionCore=document.querySelector('#workflowCore');const workflowSessionToggle=document.querySelector('#workflowSessionToggle');const workflowSessionLength=document.querySelector('#workflowSessionLength');const workflowSessionState={phase:'ready',elapsed:0,limit:Number(workflowSessionLength.value),checkpoints:[],timer:null};function workflowSessionFormat(seconds){return String(Math.floor(seconds/60)).padStart(2,'0')+':'+String(seconds%60).padStart(2,'0');}function workflowSessionDrive(){const percent=Math.min(100,Math.round(workflowSessionState.elapsed/workflowSessionState.limit*100));document.querySelector('#workflowSessionClock').textContent=workflowSessionFormat(Math.max(0,workflowSessionState.limit-workflowSessionState.elapsed));const progress=document.querySelector('#workflowSessionProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';workflowSessionCore.dataset.sessionPhase=workflowSessionState.phase;document.querySelector('#workflowSessionScore').textContent=workflowSessionState.checkpoints.length+' pontos de verificação de interação';}function workflowSessionLap(label){workflowSessionState.checkpoints.push({label,at:workflowSessionState.elapsed});const item=document.createElement('li');item.textContent=label+' · '+workflowSessionFormat(workflowSessionState.elapsed);document.querySelector('#workflowSessionLaps').append(item);workflowSessionDrive();}function workflowSessionStop(complete=false){clearInterval(workflowSessionState.timer);workflowSessionState.timer=null;workflowSessionState.phase=complete?'complete':'paused';workflowSessionToggle.textContent=complete?'Reiniciar':'Continuar rodada';workflowSessionToggle.setAttribute('aria-pressed','false');workflowSessionDrive();announce(complete?'Rodada do plano de matrícula concluída':'A rodada foi pausada');}function workflowSessionStart(){if(workflowSessionState.phase==='complete'){workflowSessionState.elapsed=0;workflowSessionState.checkpoints=[];document.querySelector('#workflowSessionLaps').replaceChildren();}workflowSessionState.phase='running';workflowSessionToggle.textContent='Pausar rodada';workflowSessionToggle.setAttribute('aria-pressed','true');const bridge=workflowBridgeActivate();workflowSessionLap(bridge.summary);clearInterval(workflowSessionState.timer);workflowSessionState.timer=setInterval(()=>{workflowSessionState.elapsed+=1;if(workflowSessionState.elapsed>=workflowSessionState.limit){workflowSessionStop(true);return;}workflowSessionDrive();},1000);workflowSessionDrive();announce('A rodada de planejamento de matrícula foi iniciada · '+bridge.summary);}workflowSessionToggle.addEventListener('click',()=>workflowSessionState.phase==='running'?workflowSessionStop():workflowSessionStart());workflowSessionLength.addEventListener('input',()=>{workflowSessionState.limit=Number(workflowSessionLength.value);workflowSessionState.elapsed=Math.min(workflowSessionState.elapsed,workflowSessionState.limit);workflowSessionDrive();});workflowSessionCore.addEventListener('keydown',event=>{if(event.key==='Enter'||event.key===' '){workflowSessionLap('operação por teclado');}});workflowSessionCore.addEventListener('click',event=>{if(event.target.closest('[data-core-bridge]'))workflowSessionLap('Ação principal · '+workflowBridgeSummary());});document.addEventListener('visibilitychange',()=>{if(document.hidden&&workflowSessionState.phase==='running')workflowSessionStop();});workflowSessionDrive();
workflowBridgeReset();
</script>
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