Gallery update window notification stack
Complete a toast stack in a gallery update window scenario: includes real content, actionable controls, clear status feedback, and responsive layouts.
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<header class="mast"><div><span class="eyebrow">dark-neon / Notification Stack / INTERMEDIATE</span><h1>Gallery update window notification stack</h1><p class="intro">Complete a toast stack in a gallery update window scenario: includes real content, actionable controls, clear status feedback, and responsive layouts.</p></div><span class="scenario">Gallery Update Window</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="Gallery update window message toast stack interaction area"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">Gallery Update Window SPATIAL CANVAS</span><h2>Gallery Update Window Control Panel</h2></div><label>Pending share of workload<input id="workflowSpatialWidth" type="range" min="38" max="82" value="64"><output id="workflowSpatialWidthValue">64%</output></label><label>Content Scaling<input id="workflowSpatialZoom" type="range" min="80" max="120" value="100"><output id="workflowSpatialZoomValue">100%</output></label></header><div class="spatial-grid"><section id="workflowCore" class="workflow-core spatial-core"><!-- 11DZ_CORE_START:overlays-feedback-toast-stack --><section class="toast-stack-demo"><div class="toast-controls"><span class="eyebrow">TOAST STACK</span><h2>Gallery update window message lab</h2><p>New messages enter from the top of the stack, with up to three kept at once; each message has its own close control.</p><div class="toast-trigger-grid"><button type="button" data-toast-kind="success" data-core-bridge="overlays-feedback-toast-stack"><i aria-hidden="true">✓</i>Completion message</button><button type="button" data-toast-kind="warning"><i aria-hidden="true">!</i>Notification messages</button><button type="button" data-toast-kind="info"><i aria-hidden="true">i</i>General message</button></div><button id="toastClearAll" class="action" type="button">Clear messages</button></div><aside class="toast-viewport"><span>NOTIFICATION AREA</span><div id="patternToastStack" aria-live="polite" aria-relevant="additions removals"></div></aside></section><!-- 11DZ_CORE_END --></section><input id="workflowSpatialHandle" class="spatial-handle" type="button" value="↔" aria-label="Drag to adjust the main case preview width"><aside><strong>Gallery update window open panel</strong><p>Gallery update window processing and gallery update window completion feedback will reflow with the canvas size.</p><output id="workflowSpatialStatus">Width 64%, zoom 100%</output><input id="workflowSpatialApply" class="action primary" type="button" value="Processed Successfully"></aside></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Gallery update window / GALLERY 03</strong></figcaption></figure>
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<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:overlays-feedback-toast-stack */
const patternToastStack=document.querySelector('#patternToastStack');let patternToastId=0;const toastDetails={success:['✓','Processing complete','#2f8b67'],warning:['!','Needs review','#c47b22'],info:['i','Status Update','#386bb7']};function removePatternToast(item,message){item.remove();announce(message);}document.querySelectorAll('[data-toast-kind]').forEach(button=>button.addEventListener('click',()=>{patternToastId+=1;const detail=toastDetails[button.dataset.toastKind];const item=document.createElement('article');item.className='pattern-toast';item.style.setProperty('--tone',detail[2]);item.innerHTML='<i>'+detail[0]+'</i><div><strong>'+detail[1]+'</strong><small>Gallery Update Window Message '+patternToastId+'</small></div><button type="button" aria-label="Close'+detail[1]+'">×</button>';item.querySelector('button').addEventListener('click',()=>removePatternToast(item,'Message dismissed'));patternToastStack.prepend(item);while(patternToastStack.children.length>3)patternToastStack.lastElementChild.remove();announce(detail[1]+'Added to message stack');}));document.querySelector('#toastClearAll').addEventListener('click',()=>{patternToastStack.replaceChildren();announce('Message stack cleared');});
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"overlays-feedback-toast-stack","selector":"[data-core-bridge=\"overlays-feedback-toast-stack\"]","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 workflowSpatial=document.querySelector('#workflowSpatial');const workflowSpatialCore=document.querySelector('#workflowCore');const workflowSpatialWidth=document.querySelector('#workflowSpatialWidth');const workflowSpatialZoom=document.querySelector('#workflowSpatialZoom');const workflowSpatialHandle=document.querySelector('#workflowSpatialHandle');const workflowSpatialState={width:64,zoom:1,dragging:false};function workflowSpatialDrive(){workflowSpatial.style.setProperty('--spatial-width',workflowSpatialState.width+'%');workflowSpatial.style.setProperty('--spatial-zoom',String(workflowSpatialState.zoom));workflowSpatialWidth.value=String(workflowSpatialState.width);workflowSpatialZoom.value=String(Math.round(workflowSpatialState.zoom*100));document.querySelector('#workflowSpatialWidthValue').textContent=workflowSpatialState.width+'%';document.querySelector('#workflowSpatialZoomValue').textContent=Math.round(workflowSpatialState.zoom*100)+'%';document.querySelector('#workflowSpatialStatus').textContent='width '+workflowSpatialState.width+'%, zoom '+Math.round(workflowSpatialState.zoom*100)+'%';announce('Gallery Update Window Canvas has been rearranged');}workflowSpatialWidth.addEventListener('input',()=>{workflowSpatialState.width=Number(workflowSpatialWidth.value);workflowSpatialDrive();});workflowSpatialZoom.addEventListener('input',()=>{workflowSpatialState.zoom=Number(workflowSpatialZoom.value)/100;workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerdown',event=>{workflowSpatialState.dragging=true;workflowSpatialHandle.setPointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('pointermove',event=>{if(!workflowSpatialState.dragging)return;const rect=workflowSpatial.getBoundingClientRect();workflowSpatialState.width=Math.max(38,Math.min(82,Math.round((event.clientX-rect.left)/rect.width*100)));workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerup',event=>{workflowSpatialState.dragging=false;workflowSpatialHandle.releasePointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('wheel',event=>{event.preventDefault();workflowSpatialState.zoom=Math.max(.8,Math.min(1.2,workflowSpatialState.zoom+(event.deltaY<0?.05:-.05)));workflowSpatialDrive();},{passive:false});workflowSpatialHandle.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight'].includes(event.key))return;event.preventDefault();workflowSpatialState.width=Math.max(38,Math.min(82,workflowSpatialState.width+(event.key==='ArrowRight'?2:-2)));workflowSpatialDrive();});document.querySelector('#workflowSpatialApply').addEventListener('click',()=>{const bridge=workflowBridgeActivate();document.querySelector('#workflowSpatialStatus').textContent='Processed · width '+workflowSpatialState.width+'%, zoom '+Math.round(workflowSpatialState.zoom*100)+'% · '+bridge.summary;announce(document.querySelector('#workflowSpatialStatus').textContent);});workflowSpatialDrive();
workflowBridgeReset();
</script>
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