Workshop booking invoice generator
Complete the invoice generator in a workshop booking scenario: includes realistic content, interactive controls, clear state feedback, and responsive layouts.
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<header class="mast"><div><span class="eyebrow">art-deco / Invoice Maker / INTERMEDIATE</span><h1>Workshop booking invoice generator</h1><p class="intro">Complete the invoice generator in a workshop booking scenario: includes realistic content, interactive controls, clear state feedback, and responsive layouts.</p></div><span class="scenario">Workshop Booking</span></header>
<figure class="composition-gallery"><section class="demo" aria-label="Workshop Booking Invoice Maker 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 · Basic experience</label><label><input type="radio" name="workflowChannel" value="B">B · Group Creation</label></fieldset><label>Participant Count Weight<input id="workflowCompareWeight" type="range" min="10" max="90" value="50"><output id="workflowCompareWeightValue">50 Person</output></label><label><input id="workflowCompareFreeze" type="checkbox">Freeze current version</label><button id="workflowCompareCapture" class="action primary" type="button">Sample and Confirm Appointment</button><ol id="workflowCompareShelf" aria-label="Version Sampling Record"></ol></form><section class="compare-stage"><header><span class="eyebrow">Workshop Booking COMPARE</span><h2>Workshop plan 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:commerce-service-flows-invoice-maker --><div class="invoice-demo"><section class="panel"><header><span class="eyebrow">INVOICE MAKER</span><h2>Workshop Booking Invoice</h2></header><div id="invoiceRows" class="invoice-rows"><label><span>Workshop Booking Progress</span><input data-invoice-quantity type="number" min="0" value="1" aria-label="Workshop booking progress count"><input data-invoice-price type="number" min="0" value="45" aria-label="Workshop Booking Progress Unit Price"><output></output></label><label><span>Workshop booking reminder</span><input data-invoice-quantity type="number" min="0" value="2" aria-label="Workshop Booking Reminder Count"><input data-invoice-price type="number" min="0" value="75" aria-label="Workshop booking reminder unit price"><output></output></label><label><span>Workshop booking favorites</span><input data-invoice-quantity type="number" min="0" value="3" aria-label="Workshop booking favorites count"><input data-invoice-price type="number" min="0" value="105" aria-label="Workshop Booking Unit Price Collection"><output></output></label></div><label class="invoice-tax">Tax rate <input id="invoiceTax" type="range" min="0" max="20" value="6" data-core-bridge="commerce-service-flows-invoice-maker"><output id="invoiceTaxLabel">6%</output></label></section><aside class="invoice-paper"><span>INVOICE / LOCAL</span><h3>Workshop Booking</h3><dl id="invoiceSummary"></dl><div><span>Tax Amount</span><strong id="invoiceTaxValue"></strong></div><footer><span>Total Amount Due</span><strong id="invoiceTotal"></strong></footer><button id="invoicePrint" type="button">Print Preview</button></aside></div><!-- 11DZ_CORE_END --></section></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section><figcaption class="gallery-caption"><strong>Workshop Booking / 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:commerce-service-flows-invoice-maker */
const invoiceRows=[...document.querySelectorAll('.invoice-rows label')];function renderInvoice(){let subtotal=0;const summary=[];invoiceRows.forEach(row=>{const quantity=Number(row.querySelector('[data-invoice-quantity]').value)||0;const price=Number(row.querySelector('[data-invoice-price]').value)||0;const line=quantity*price;subtotal+=line;row.querySelector('output').textContent='¥'+line;summary.push([row.querySelector('span').textContent,line]);});const taxRate=Number(document.querySelector('#invoiceTax').value);const tax=Math.round(subtotal*taxRate)/100;document.querySelector('#invoiceTaxLabel').textContent=taxRate+'%';document.querySelector('#invoiceTaxValue').textContent='¥'+tax.toFixed(2);document.querySelector('#invoiceTotal').textContent='¥'+(subtotal+tax).toFixed(2);document.querySelector('#invoiceSummary').innerHTML=summary.map(([name,value])=>'<div><dt>'+name+'</dt><dd>¥'+value+'</dd></div>').join('');announce('Total bill '+(subtotal+tax).toFixed(2)+' yuan');}document.querySelectorAll('.invoice-demo input').forEach(input=>input.addEventListener('input',renderInvoice));document.querySelector('#invoicePrint').addEventListener('click',()=>announce('Print preview is ready; this demo will not call the system print dialog'));renderInvoice();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"commerce-service-flows-invoice-maker","selector":"[data-core-bridge=\"commerce-service-flows-invoice-maker\"]","mode":"range","key":"ArrowRight"};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("input",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',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();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));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+' person';document.querySelector('#workflowCompareLive').textContent=workflowCompareState.channel+' Version · '+workflowCompareState.weight+' person'+(workflowCompareState.frozen?' · Frozen':'');announce('Workshop plan under review '+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+' person · '+snapshot.bridge+'</small>';document.querySelector('#workflowCompareShelf').prepend(item);announce('sampled '+snapshot.channel+' Confirm booking · '+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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