Basic Controls and Selectors

Music Studio Segmented Selector

Complete the segmented choice control in the music studio scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.

Basic Controls and SelectorsSegmented SelectorHTMLCSSJavaScript
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  <main class="page">
    <header class="mast"><div><span class="eyebrow">dashboard / Segmented Choice / INTERMEDIATE</span><h1>Music Studio Segmented Selector</h1><p class="intro">Complete the segmented choice control in the music studio scenario: includes real content, actionable controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Music Studio</span></header>
    <div class="composition-deck"><div class="deck-bar"><span>CONTROL DECK · 04</span><span>Segmented Selector</span><span class="deck-lights" aria-hidden="true"><i></i><i></i><i></i></span></div><section class="demo" aria-label="Music Studio Segmented Selector Interactive Area"><div class="workflow-guide"><nav class="guide-rail" aria-label="Recording Engineering Guide"><span class="eyebrow">Music Studio GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>Vocal Track</span></li><li data-workflow-guide-step="1"><b>2</b><span>Rhythm Track</span></li><li data-workflow-guide-step="2"><b>3</b><span>Atmosphere Track</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>Previous</button><button id="workflowGuideNext" class="action primary" type="button">Complete this step</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="Recording Project Completion" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div></nav><section id="workflowCore" class="workflow-core guide-core" data-guide-step="0" aria-describedby="workflowGuideInstruction"><p id="workflowGuideInstruction">Please complete the actions related to the ‘vocal track’ in the main example.</p><!-- 11DZ_CORE_START:controls-selectors-segmented-choice --><section class="segmented-demo" aria-labelledby="segmentedTitle"><div><span class="eyebrow">SEGMENTED CONTROL</span><h2 id="segmentedTitle">Music Studio View Density</h2><p>Use native radio groups to preserve arrow-key switching support.</p></div><fieldset class="segmented-control"><legend class="visually-hidden">Choose view density</legend><label><input type="radio" name="segmentChoice" value="Music Studio Reminder" checked data-core-bridge="controls-selectors-segmented-choice"><span><b>1</b>Music Studio Reminder</span></label><label><input type="radio" name="segmentChoice" value="Music Studio Favorites"><span><b>2</b>Music Studio Favorites</span></label><label><input type="radio" name="segmentChoice" value="Music Studio Overview"><span><b>3</b>Music Studio Overview</span></label><label><input type="radio" name="segmentChoice" value="Music Studio Plan"><span><b>4</b>Music Studio Plan</span></label></fieldset><output id="segmentedOutput" class="segmented-output">Current: Music Studio Reminders</output></section><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>View acceptance requirements</summary><ul><li>The vocal track requires a visible state change at least once</li><li>The rhythm track needs a visible state change at once</li><li>The ambient track needs one visible state change</li></ul></details><form id="workflowGuideEvidenceForm"><label>This step evidence<textarea id="workflowGuideEvidence" rows="3" placeholder="Record the observed state"></textarea></label><input class="action" type="submit" value="Save evidence"></form><output id="workflowGuideSummary">0 / 3 Steps Complete</output></aside></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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const workflowGuideCore=document.querySelector('#workflowCore');const workflowGuideStages=["Vocal Track","Rhythm Track","Atmosphere Track"];const workflowGuideState={step:0,completed:new Set(),evidence:new Map(),consumedVersion:0};function workflowGuideDrive(){const step=workflowGuideState.step;workflowGuideCore.dataset.guideStep=String(step);document.querySelector('#workflowGuideInstruction').textContent='Please complete the main example ‘'+workflowGuideStages[step]+'Related actions.”';document.querySelectorAll('[data-workflow-guide-step]').forEach((item,index)=>{item.classList.toggle('is-complete',workflowGuideState.completed.has(index));if(index===step)item.setAttribute('aria-current','step');else item.removeAttribute('aria-current');});document.querySelector('#workflowGuideBack').disabled=step===0;document.querySelector('#workflowGuideNext').textContent=step===workflowGuideStages.length-1?'Record Version':'Complete this step';const percent=Math.round(workflowGuideState.completed.size/workflowGuideStages.length*100);const progress=document.querySelector('#workflowGuideProgress');progress.setAttribute('aria-valuenow',String(percent));progress.querySelector('i').style.width=percent+'%';document.querySelector('#workflowGuideSummary').textContent=workflowGuideState.completed.size+' / '+workflowGuideStages.length+' Step complete · '+workflowBridgeSummary();announce('Current recording session step:'+workflowGuideStages[step]);}function workflowGuideAdvance(direction){if(direction>0){const bridge=workflowBridgeActivate();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Please complete the visible state change in the main example first');return;}workflowGuideState.consumedVersion=version;workflowGuideState.completed.add(workflowGuideState.step);announce('Main case changes recorded · '+bridge.summary);}workflowGuideState.step=Math.max(0,Math.min(workflowGuideStages.length-1,workflowGuideState.step+direction));workflowGuideDrive();}document.querySelector('#workflowGuideBack').addEventListener('click',()=>workflowGuideAdvance(-1));document.querySelector('#workflowGuideNext').addEventListener('click',()=>workflowGuideAdvance(1));document.querySelector('#workflowGuideEvidenceForm').addEventListener('submit',event=>{event.preventDefault();const version=Number(workflowGuideCore.dataset.workflowVersion||0);if(version<=workflowGuideState.consumedVersion){announce('Evidence not saved: the main example has no new changes yet');return;}const text=document.querySelector('#workflowGuideEvidence').value.trim();workflowGuideState.evidence.set(workflowGuideState.step,text||'Visible status check completed');workflowGuideState.completed.add(workflowGuideState.step);workflowGuideState.consumedVersion=version;workflowGuideDrive();announce('Evidence for this step has been saved · '+workflowBridgeSummary());});document.querySelector('#workflowGuideDetails').addEventListener('toggle',event=>announce(event.currentTarget.open?'Acceptance requirements expanded':'Acceptance requirements collapsed'));workflowGuideDrive();
workflowBridgeReset();
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