Membership Center Progress Overlay
Build a progress overlay in a membership center scenario: includes realistic content, interactive controls, clear status feedback, and responsive layout across sizes.
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<title>Membership Center Progress Overlay</title>
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<main class="page">
<header class="mast"><div><span class="eyebrow">paper / progress overlay / INTERMEDIATE</span><h1>Membership Center Progress Overlay</h1><p class="intro">Build a progress overlay in a membership center scenario: includes realistic content, interactive controls, clear status feedback, and responsive layout across sizes.</p></div><span class="scenario">Member Center</span></header>
<div class="composition-index"><section class="demo" aria-label="Membership center progress mask interaction 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>Panel open in A · Member Center</label><label><input type="radio" name="workflowChannel" value="B">B · Membership Center Processing</label></fieldset><label>Pending workload weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 item</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Process</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Member Center COMPARE</span><h2>Membership center dual-version 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-progress-blocker --><section class="progress-blocker-demo"><div class="blocker-stage"><span class="eyebrow">PROGRESS BLOCKER</span><h2>Processing Membership Center Tasks</h2><p>Show modal progress only after it has been explicitly started; users can cancel at any time.</p><button id="blockerStart" class="action primary" type="button" data-core-bridge="overlays-feedback-progress-blocker">Start processing</button><ul><li>Member center overview<span>Waiting</span></li><li>Member Center Plan<span>Waiting</span></li><li>Membership Center Inspiration<span>Waiting</span></li></ul></div><dialog id="progressBlocker" aria-labelledby="blockerTitle"><div class="blocker-spinner" aria-hidden="true"><i></i></div><span class="eyebrow">PROCESSING</span><h2 id="blockerTitle">Processing locally</h2><p id="blockerMessage">Preparing data…</p><div class="blocker-progress" role="progressbar" aria-label="Processing Progress" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i id="blockerMeter"></i></div><output id="blockerValue">0%</output><button id="blockerCancel" type="button">Cancel Processing</button></dialog></section><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>Membership Center FIELD INDEX</span></aside></div>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:overlays-feedback-progress-blocker */
const progressBlocker=document.querySelector('#progressBlocker');const blockerProgress=progressBlocker.querySelector('[role="progressbar"]');const blockerMeter=document.querySelector('#blockerMeter');const blockerValue=document.querySelector('#blockerValue');const blockerMessage=document.querySelector('#blockerMessage');let blockerTimer=0;let blockerCloseTimer=0;let blockerAmount=0;function cancelBlocker(message){clearInterval(blockerTimer);clearTimeout(blockerCloseTimer);blockerTimer=0;blockerCloseTimer=0;if(progressBlocker.open)progressBlocker.close();announce(message);}document.querySelector('#blockerStart').addEventListener('click',()=>{blockerAmount=0;blockerMeter.style.width='0%';blockerValue.textContent='0%';blockerProgress.setAttribute('aria-valuenow','0');blockerMessage.textContent='Preparing data…';progressBlocker.showModal();blockerTimer=setInterval(()=>{blockerAmount=Math.min(100,blockerAmount+10);blockerMeter.style.width=blockerAmount+'%';blockerValue.textContent=blockerAmount+'%';blockerProgress.setAttribute('aria-valuenow',String(blockerAmount));blockerMessage.textContent=blockerAmount<40?'Preparing data…':blockerAmount<80?'App Settings…':'Complete check…';if(blockerAmount===100){clearInterval(blockerTimer);blockerTimer=0;blockerCloseTimer=setTimeout(()=>cancelBlocker('Local processing complete'),350);}},160);});document.querySelector('#blockerCancel').addEventListener('click',()=>cancelBlocker('Processing canceled'));progressBlocker.addEventListener('cancel',event=>{event.preventDefault();cancelBlocker('Processing canceled');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"overlays-feedback-progress-blocker","selector":"[data-core-bridge=\"overlays-feedback-progress-blocker\"]","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+' · Core Version '+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 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+' Item';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' Item'+(workflowCompareState.frozen?' · Frozen':'');announce('Membership Center Viewing '+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+' Item · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Version and complete processing · '+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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