Floating layers and status feedback

Photo Library Context Actions

In the photo library scenario, complete a contextual actions sheet: including real content, actionable controls, clear state feedback, and responsive layouts across sizes.

Floating layers and status feedbackContext ActionsHTMLCSSJavaScript
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    <header class="mast"><div><span class="eyebrow">terminal / Context Action Form / BEGINNER</span><h1>Photo Library Context Actions</h1><p class="intro">In the photo library scenario, complete a contextual actions sheet: including real content, actionable controls, clear state feedback, and responsive layouts across sizes.</p></div><span class="scenario">Photo Library</span></header>
    <div class="composition-studio"><div class="studio-ruler" aria-hidden="true"></div><section class="demo" aria-label="Photo Library Context Actions Interactive Area"><div class="workflow-compare"><form id="workflowCompareControls" class="compare-controls"><fieldset><legend>Reference Channel</legend><label><input type="radio" name="workflowChannel" value="A" checked>A · Original Version</label><label><input type="radio" name="workflowChannel" value="B">B · Revised Edition</label></fieldset><label>Filter Strength Weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 %</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Save Versions</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Photo library COMPARE</span><h2>Photo version side-by-side comparison</h2><output id="workflowCompareLive">Version A waiting for sampling</output></header><section id="workflowCore" class="workflow-core compare-core" data-compare-channel="A" style="--compare-split:50%"><!-- 11DZ_CORE_START:overlays-feedback-context-actions --><section class="context-actions-demo"><header><span class="eyebrow">CONTEXT ACTIONS</span><h2>Photo library quick actions</h2><p>Right-click, Shift + F10 or the button to open the same set of context actions.</p></header><div id="contextSurface" class="context-surface" tabindex="0" aria-label="Photo Library Record Actions Area"><span>SELECTED ITEM</span><strong>Photo Library Records</strong><p>Right-click here or press Shift + F10</p><button id="contextOpen" type="button" aria-haspopup="menu" aria-expanded="false" data-core-bridge="overlays-feedback-context-actions">Open actions menu</button><div id="contextMenu" class="context-menu" role="menu" hidden><button type="button" role="menuitem"><span aria-hidden="true">✎</span><span class="context-action-copy">Rename</span></button><button type="button" role="menuitem"><span aria-hidden="true">□</span><span class="context-action-copy">Create Copy</span></button><button type="button" role="menuitem"><span aria-hidden="true">→</span><span class="context-action-copy">Move to…</span></button><hr><button type="button" role="menuitem" class="context-danger"><span aria-hidden="true">×</span><span class="context-action-copy">Archive</span></button></div></div><output id="contextResult">No action taken yet</output></section><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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const workflowCompareCore=document.querySelector('#workflowCore');const workflowCompareWeight=document.querySelector('#workflowCompareWeight');const workflowCompareState={channel:'A',weight:50,frozen:false,snapshots:[]};function workflowCompareFingerprint(){const controls=[...workflowCompareCore.querySelectorAll('input,select,textarea')];const outputs=[...workflowCompareCore.querySelectorAll('output,[role="status"],strong')].map(node=>node.textContent.trim()).filter(Boolean);return {controlValues:controls.map(control=>control.type==='checkbox'||control.type==='radio'?control.checked:control.value),summary:outputs.slice(0,4).join(' / '),nodes:workflowCompareCore.querySelectorAll('*').length};}function workflowCompareDrive(){workflowCompareCore.dataset.compareChannel=workflowCompareState.channel;workflowCompareCore.style.setProperty('--compare-split',workflowCompareState.weight+'%');document.querySelector('#workflowCompareWeightValue').textContent=workflowCompareState.weight+' %';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' %'+(workflowCompareState.frozen?' · Frozen':'');announce('Photo version is being viewed '+workflowCompareState.channel+' Version');}function workflowCompareCapture(source){const bridge=workflowBridgeActivate();const snapshot={...workflowCompareFingerprint(),channel:workflowCompareState.channel,weight:workflowCompareState.weight,source,bridge:bridge.summary};workflowCompareState.snapshots.push(snapshot);const item=document.createElement('li');item.innerHTML='<b>'+snapshot.channel+'</b><span>'+(snapshot.summary||snapshot.bridge)+'</span><small>'+snapshot.weight+' % · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Save and keep version · '+bridge.summary);}document.querySelectorAll('[name="workflowChannel"]').forEach(input=>input.addEventListener('change',()=>{workflowCompareState.channel=input.value;workflowCompareDrive();}));workflowCompareWeight.addEventListener('input',()=>{workflowCompareState.weight=Number(workflowCompareWeight.value);workflowCompareDrive();});document.querySelector('#workflowCompareFreeze').addEventListener('change',event=>{workflowCompareState.frozen=event.currentTarget.checked;workflowCompareDrive();});document.querySelector('#workflowCompareCapture').addEventListener('click',()=>workflowCompareCapture('Button Sampling'));workflowCompareCore.addEventListener('dblclick',()=>workflowCompareCapture('Main view double-click'));workflowCompareDrive();
workflowBridgeReset();
  </script>
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