Library Operations Trend Analysis Panel
Complete a trend analysis dashboard for library operations: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.
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<header class="mast"><div><span class="eyebrow">industrial / trend analysis panel / BEGINNER</span><h1>Library Operations Trend Analysis Panel</h1><p class="intro">Complete a trend analysis dashboard for library operations: includes realistic content, interactive controls, clear status feedback, and responsive layouts across sizes.</p></div><span class="scenario">Library Operations</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>Master the semantic structure, responsive composition, keyboard interaction, and state synchronization of trend analysis dashboards.</span></aside><section class="demo" aria-label="Library Operations Trend Analysis Panel Interactive Area"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">library operations DISPATCH</span><h2>Collection task dispatch center</h2><form id="workflowDispatchForm"><label>Task Type<select id="workflowDispatchKind"><option>Shelf restocking</option><option>Appointment Processing</option><option>Collection inventory</option></select></label><label>To-do Count<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="21"><span>Item</span></label><fieldset><legend>Processing priority</legend><label><input type="radio" name="workflowPriority" value="normal" checked>Regular</label><label><input type="radio" name="workflowPriority" value="urgent">Urgent</label></fieldset><button class="action primary" type="submit">Assign Tasks</button></form><label>Current task<select id="workflowDispatchActive" aria-label="Switch current task"><option value="1">Shelf restocking</option><option value="2">Appointment Processing</option></select></label><output id="workflowDispatchSummary">Waiting for Dispatch</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:dashboards-admin-trend-chart --><div class="ops-trend"><header><div><span class="eyebrow">OPERATIONS TREND</span><h2>Library operations borrowing processing volume</h2><p>View real business units by operating shift, and generate pending intervals directly with thresholds.</p></div><label>Observation Window<select id="opsTrendWindow" data-core-bridge="dashboards-admin-trend-chart"><option value="6">Recent 6 Shift</option><option value="9">Recent 9 shift</option><option value="12" selected>All 12 classes</option></select></label><label>Alert threshold<input id="opsTrendThreshold" type="range" min="10" max="120" value="60"><output id="opsTrendThresholdValue">60 Volumes</output></label></header><section class="ops-trend-board"><div class="ops-chart-card"><svg id="opsTrendSvg" viewBox="0 0 760 360" role="img" aria-labelledby="opsTrendTitle opsTrendDesc"><title id="opsTrendTitle">Library Operations Trends</title><desc id="opsTrendDesc">A line chart showing borrowing processing volume across twelve operations shifts, with dashed lines indicating the alert threshold.</desc><g id="opsTrendGrid" aria-hidden="true"></g><line id="opsTrendLimit" x1="48" x2="732" stroke="currentColor" stroke-dasharray="8 7"></line><path id="opsTrendArea"></path><path id="opsTrendPath"></path><g id="opsTrendPoints"></g></svg><output id="opsTrendHover">Move over a data point to view the shift</output></div><aside><article><span>Current value</span><strong id="opsTrendCurrent">—</strong></article><article><span>Window mean</span><strong id="opsTrendAverage">—</strong></article><article><span>Exceeds threshold</span><strong id="opsTrendBreaches">—</strong></article><ol id="opsTrendAlerts" aria-label="Threshold Event"></ol></aside></section></div><!-- 11DZ_CORE_END --></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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/* 11DZ_CORE_SCRIPT_START:dashboards-admin-trend-chart */
const opsTrendAll=[42,58,51,73,66,84,79,92,88,104,96,112];const opsTrendUnit='Volume';const opsTrendWindow=document.querySelector('#opsTrendWindow');const opsTrendThreshold=document.querySelector('#opsTrendThreshold');const opsTrendSvg=document.querySelector('#opsTrendSvg');const opsTrendState={windowSize:12,threshold:60,visible:opsTrendAll};function opsTrendScale(value,max){return 320-value/max*260;}function renderOpsTrend(){opsTrendState.windowSize=Number(opsTrendWindow.value);opsTrendState.threshold=Number(opsTrendThreshold.value);opsTrendState.visible=opsTrendAll.slice(-opsTrendState.windowSize);const max=Math.max(opsTrendState.threshold,...opsTrendState.visible)*1.12;const step=684/Math.max(1,opsTrendState.visible.length-1);const points=opsTrendState.visible.map((value,index)=>({value,x:48+index*step,y:opsTrendScale(value,max),shift:opsTrendAll.length-opsTrendState.visible.length+index+1}));const commands=points.map((point,index)=>(index?'L':'M')+point.x.toFixed(1)+' '+point.y.toFixed(1)).join(' ');document.querySelector('#opsTrendPath').setAttribute('d',commands);document.querySelector('#opsTrendArea').setAttribute('d',commands+' L '+points.at(-1).x+' 320 L 48 320 Z');const limitY=opsTrendScale(opsTrendState.threshold,max);const limit=document.querySelector('#opsTrendLimit');limit.setAttribute('y1',String(limitY));limit.setAttribute('y2',String(limitY));const pointGroup=document.querySelector('#opsTrendPoints');pointGroup.replaceChildren(...points.map(point=>{const circle=document.createElementNS('http://www.w3.org/2000/svg','circle');circle.setAttribute('cx',String(point.x));circle.setAttribute('cy',String(point.y));circle.setAttribute('r','7');circle.dataset.value=String(point.value);circle.dataset.shift=String(point.shift);circle.setAttribute('tabindex','0');circle.setAttribute('aria-label','No. '+point.shift+' class,'+point.value+' '+opsTrendUnit);return circle;}));const average=Math.round(opsTrendState.visible.reduce((sum,value)=>sum+value,0)/opsTrendState.visible.length);const breaches=points.filter(point=>point.value>opsTrendState.threshold);document.querySelector('#opsTrendCurrent').textContent=opsTrendState.visible.at(-1)+' '+opsTrendUnit;document.querySelector('#opsTrendAverage').textContent=average+' '+opsTrendUnit;document.querySelector('#opsTrendBreaches').textContent=breaches.length+' Shift';document.querySelector('#opsTrendThresholdValue').textContent=opsTrendState.threshold+' '+opsTrendUnit;document.querySelector('#opsTrendAlerts').replaceChildren(...breaches.map(point=>{const item=document.createElement('li');item.textContent='No. '+point.shift+' Class exceeds threshold '+(point.value-opsTrendState.threshold)+' '+opsTrendUnit;return item;}));announce('Library operations trend updated,'+breaches.length+' shifts need attention');}opsTrendWindow.addEventListener('change',renderOpsTrend);opsTrendThreshold.addEventListener('input',renderOpsTrend);opsTrendSvg.addEventListener('pointermove',event=>{const target=event.target.closest('circle');if(!target)return;document.querySelector('#opsTrendHover').textContent='No. '+target.dataset.shift+' class · '+target.dataset.value+' '+opsTrendUnit;});opsTrendSvg.addEventListener('focusin',event=>{if(event.target.matches('circle'))document.querySelector('#opsTrendHover').textContent=event.target.getAttribute('aria-label');});renderOpsTrend();
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