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(function () { |
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'use strict'; |
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|
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/* ── Date helpers ── */ |
| 5 |
function parseDate(s) { |
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var p = String(s).split('-'); |
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return new Date(Date.UTC(+p[0], +p[1] - 1, +p[2])); |
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} |
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|
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function addDays(d, n) { |
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var r = new Date(d.getTime()); |
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r.setUTCDate(r.getUTCDate() + n); |
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return r; |
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} |
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|
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function daysBetween(a, b) { |
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return Math.round((b - a) / 86400000); |
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} |
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|
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var MONTHS_LONG = ['January','February','March','April','May','June','July','August','September','October','November','December']; |
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var MONTHS_SHORT = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']; |
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|
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function getChartBounds(tasks) { |
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var earliest = null, latest = null; |
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tasks.forEach(function (t) { |
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try { |
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var s = parseDate(t.startDate), e = parseDate(t.endDate); |
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if (!earliest || s < earliest) earliest = s; |
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if (!latest || e > latest) latest = e; |
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} catch (err) {} |
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}); |
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if (!earliest) { |
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var now = new Date(); |
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earliest = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth(), 1)); |
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latest = new Date(Date.UTC(now.getUTCFullYear(), now.getUTCMonth() + 2, 0)); |
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} |
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return { start: addDays(earliest, -3), end: addDays(latest, 3) }; |
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} |
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|
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function getMonthHeaders(start, end) { |
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var headers = []; |
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var cur = new Date(Date.UTC(start.getUTCFullYear(), start.getUTCMonth(), 1)); |
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while (cur <= end) { |
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var mStart = new Date(Date.UTC(cur.getUTCFullYear(), cur.getUTCMonth(), 1)); |
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var mEnd = new Date(Date.UTC(cur.getUTCFullYear(), cur.getUTCMonth() + 1, 0)); |
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var segStart = mStart < start ? start : mStart; |
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var segEnd = mEnd > end ? end : mEnd; |
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var days = daysBetween(segStart, segEnd) + 1; |
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headers.push({ |
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label: MONTHS_SHORT[cur.getUTCMonth()] + ' ' + cur.getUTCFullYear(), |
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startDay: daysBetween(start, segStart), |
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days: days |
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}); |
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cur = new Date(Date.UTC(cur.getUTCFullYear(), cur.getUTCMonth() + 1, 1)); |
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} |
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return headers; |
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} |
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|
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function getWeekHeaders(start, end) { |
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var headers = []; |
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/* Align to Monday */ |
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var cur = new Date(start.getTime()); |
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var dow = cur.getUTCDay(); |
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cur = addDays(cur, dow === 0 ? -6 : 1 - dow); |
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while (cur <= end) { |
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var wEnd = addDays(cur, 6); |
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var segStart = cur < start ? start : cur; |
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var segEnd = wEnd > end ? end : wEnd; |
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var days = daysBetween(segStart, segEnd) + 1; |
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headers.push({ |
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label: MONTHS_SHORT[cur.getUTCMonth()] + ' ' + cur.getUTCDate(), |
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startDay: daysBetween(start, segStart), |
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days: days |
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}); |
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cur = addDays(cur, 7); |
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} |
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return headers; |
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} |
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|
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function applyCSS(el, styles) { |
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Object.keys(styles).forEach(function (k) { el.style[k] = styles[k]; }); |
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} |
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|
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function makeEl(tag, className, styles) { |
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var el = document.createElement(tag); |
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if (className) el.className = className; |
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if (styles) applyCSS(el, styles); |
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return el; |
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} |
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|
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function typoCssVarsForEl(typo, prefix, el) { |
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if (!typo || typeof typo !== 'object') return; |
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var map = { |
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family: 'font-family', weight: 'font-weight', style: 'font-style', |
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decoration: 'text-decoration', transform: 'text-transform', |
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sizeDesktop: 'font-size-d', sizeTablet: 'font-size-t', sizeMobile: 'font-size-m', |
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lineHeightDesktop: 'line-height-d', lineHeightTablet: 'line-height-t', lineHeightMobile: 'line-height-m', |
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letterSpacingDesktop: 'letter-spacing-d', letterSpacingTablet: 'letter-spacing-t', letterSpacingMobile: 'letter-spacing-m', |
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wordSpacingDesktop: 'word-spacing-d', wordSpacingTablet: 'word-spacing-t', wordSpacingMobile: 'word-spacing-m' |
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}; |
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Object.keys(map).forEach(function (k) { |
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if (typo[k] !== undefined && typo[k] !== '') { |
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var v = typo[k]; |
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if (['sizeDesktop','sizeTablet','sizeMobile'].indexOf(k) !== -1) { |
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v = v + (typo.sizeUnit || 'px'); |
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} else if (['lineHeightDesktop','lineHeightTablet','lineHeightMobile'].indexOf(k) !== -1) { |
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v = v + (typo.lineHeightUnit || ''); |
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} else if (['letterSpacingDesktop','letterSpacingTablet','letterSpacingMobile'].indexOf(k) !== -1) { |
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v = v + (typo.letterSpacingUnit || 'px'); |
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} else if (['wordSpacingDesktop','wordSpacingTablet','wordSpacingMobile'].indexOf(k) !== -1) { |
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v = v + (typo.wordSpacingUnit || 'px'); |
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} |
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el.style.setProperty(prefix + map[k], String(v)); |
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} |
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}); |
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} |
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|
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function init() { |
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document.querySelectorAll('.bkbg-gant-app').forEach(function (appEl) { |
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if (appEl.dataset.rendered) return; |
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appEl.dataset.rendered = '1'; |
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|
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var opts; |
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try { opts = JSON.parse(appEl.dataset.opts || '{}'); } catch (e) { opts = {}; } |
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|
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var o = Object.assign({ |
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tasks: [], |
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view: 'month', |
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showPhases: true, |
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showMilestones: true, |
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showAssignee: false, |
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showProgress: true, |
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highlightToday: true, |
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showLegend: true, |
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showWeekends: true, |
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rowHeight: 40, |
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taskRadius: 4, |
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labelWidth: 200, |
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maxWidth: 0, |
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paddingTop: 0, |
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paddingBottom: 0, |
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bgColor: '', |
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headerBg: '#f3f4f6', |
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rowBg: '#ffffff', |
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rowAltBg: '#f9fafb', |
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weekendBg: '#f0f0f5', |
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todayLine: '#ef4444', |
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gridColor: '#e5e7eb', |
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headerColor: '#374151', |
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labelColor: '#111827', |
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phaseColor: '#6b7280', |
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milestoneColor: '#f59e0b' |
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}, opts); |
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|
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var tasks = o.tasks; |
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if (!tasks || tasks.length === 0) return; |
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|
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var bounds = getChartBounds(tasks); |
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var totalDays = daysBetween(bounds.start, bounds.end) + 1; |
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var headers = o.view === 'week' ? getWeekHeaders(bounds.start, bounds.end) : getMonthHeaders(bounds.start, bounds.end); |
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|
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/* Group rows */ |
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var rows = []; |
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if (o.showPhases) { |
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var phases = [], phaseMap = {}; |
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tasks.forEach(function (t) { |
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var ph = t.phase || 'Tasks'; |
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if (!phaseMap[ph]) { phaseMap[ph] = []; phases.push(ph); } |
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phaseMap[ph].push(t); |
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}); |
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phases.forEach(function (ph) { |
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rows.push({ type: 'phase', label: ph }); |
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phaseMap[ph].forEach(function (t) { rows.push({ type: 'task', task: t }); }); |
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}); |
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} else { |
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tasks.forEach(function (t) { rows.push({ type: 'task', task: t }); }); |
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} |
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|
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/* ── Container ── */ |
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var container = makeEl('div', 'bkbg-gant-outer', { |
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paddingTop: o.paddingTop + 'px', |
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paddingBottom: o.paddingBottom + 'px', |
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background: o.bgColor || '' |
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}); |
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|
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typoCssVarsForEl(o.typoLabel, '--bkbg-gant-lb-', container); |
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typoCssVarsForEl(o.typoHeader, '--bkbg-gant-hd-', container); |
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|
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var inner = container; |
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if (o.maxWidth > 0) { |
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inner = makeEl('div', '', { maxWidth: o.maxWidth + 'px', margin: '0 auto', overflowX: 'auto' }); |
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container.appendChild(inner); |
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} |
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|
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/* (Today calculations) */ |
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var nowUTC = new Date(); |
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var todayD = new Date(Date.UTC(nowUTC.getUTCFullYear(), nowUTC.getUTCMonth(), nowUTC.getUTCDate())); |
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var todayOffset = daysBetween(bounds.start, todayD); |
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var todayPct = (todayOffset / totalDays) * 100; |
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var showToday = o.highlightToday && todayOffset >= 0 && todayOffset <= totalDays; |
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|
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/* ── Layout row ── */ |
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var layout = makeEl('div', 'bkbg-gant-layout'); |
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inner.appendChild(layout); |
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|
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/* LABELS column */ |
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var labelsCol = makeEl('div', 'bkbg-gant-labels', { width: o.labelWidth + 'px', flexShrink: 0, borderRight: '1px solid ' + o.gridColor }); |
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layout.appendChild(labelsCol); |
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|
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/* Header placeholder */ |
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var labelHeader = makeEl('div', 'bkbg-gant-header-cell', { |
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height: '36px', |
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background: o.headerBg, |
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borderBottom: '1px solid ' + o.gridColor, |
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color: o.headerColor |
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}); |
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labelHeader.textContent = 'Task'; |
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labelsCol.appendChild(labelHeader); |
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|
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/* Task label cells */ |
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rows.forEach(function (row, ri) { |
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var cell = makeEl('div', 'bkbg-gant-label-cell ' + (row.type === 'phase' ? 'is-phase' : 'is-task'), { |
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height: o.rowHeight + 'px', |
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background: row.type === 'phase' ? o.headerBg : (ri % 2 === 0 ? o.rowBg : o.rowAltBg), |
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borderBottom: '1px solid ' + o.gridColor, |
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color: row.type === 'phase' ? o.phaseColor : o.labelColor, |
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boxSizing: 'border-box' |
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}); |
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var textEl = makeEl('span', 'bkbg-gant-label-text'); |
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textEl.textContent = row.type === 'phase' ? row.label : ((row.task.milestone ? '◆ ' : '') + (row.task.name || '')); |
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cell.appendChild(textEl); |
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|
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if (row.type === 'task' && o.showAssignee && row.task.assignee) { |
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var asgn = makeEl('span', 'bkbg-gant-assignee'); |
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asgn.textContent = row.task.assignee; |
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cell.appendChild(asgn); |
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} |
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labelsCol.appendChild(cell); |
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}); |
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|
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/* GRID column */ |
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var gridCol = makeEl('div', 'bkbg-gant-grid', { position: 'relative', flex: '1' }); |
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layout.appendChild(gridCol); |
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|
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/* Column headers (months or weeks) */ |
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var colHeadersRow = makeEl('div', 'bkbg-gant-col-headers', { |
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background: o.headerBg, |
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borderBottom: '1px solid ' + o.gridColor, |
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height: '36px' |
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}); |
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headers.forEach(function (h, hi) { |
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var hCell = makeEl('div', 'bkbg-gant-col-header', { |
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flex: h.days, |
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color: o.headerColor, |
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borderLeft: hi > 0 ? '1px solid ' + o.gridColor : 'none', |
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height: '36px' |
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}); |
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hCell.textContent = h.label; |
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colHeadersRow.appendChild(hCell); |
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}); |
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gridCol.appendChild(colHeadersRow); |
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|
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/* Rows area */ |
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var rowsArea = makeEl('div', 'bkbg-gant-rows', { position: 'relative' }); |
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gridCol.appendChild(rowsArea); |
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|
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/* Vertical grid lines (one per column header segment) */ |
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var colLinesEl = makeEl('div', 'bkbg-gant-col-lines', { position: 'absolute', top: 0, left: 0, right: 0, bottom: 0, pointerEvents: 'none', zIndex: 0 }); |
| 269 |
headers.forEach(function (h, hi) { |
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var line = makeEl('div', 'bkbg-gant-col-line', { |
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flex: h.days, |
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borderLeft: hi > 0 ? '1px solid ' + o.gridColor : 'none', |
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boxSizing: 'border-box' |
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}); |
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colLinesEl.appendChild(line); |
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}); |
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rowsArea.appendChild(colLinesEl); |
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|
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/* Task rows */ |
| 280 |
rows.forEach(function (row, ri) { |
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var rowEl = makeEl('div', 'bkbg-gant-row', { |
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height: o.rowHeight + 'px', |
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background: row.type === 'phase' ? o.headerBg : (ri % 2 === 0 ? o.rowBg : o.rowAltBg), |
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borderBottom: '1px solid ' + o.gridColor, |
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position: 'relative', |
| 286 |
boxSizing: 'border-box' |
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}); |
| 288 |
|
| 289 |
if (row.type === 'task') { |
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var t = row.task; |
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try { |
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var tStart = parseDate(t.startDate); |
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var tEnd = parseDate(t.endDate); |
| 294 |
var leftPct = (daysBetween(bounds.start, tStart) / totalDays * 100); |
| 295 |
var widthPct = Math.max(0.5, (daysBetween(tStart, tEnd) + 1) / totalDays * 100); |
| 296 |
leftPct = Math.max(0, leftPct); |
| 297 |
widthPct = Math.min(widthPct, 100 - leftPct); |
| 298 |
|
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if (t.milestone && o.showMilestones) { |
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var diamond = makeEl('div', 'bkbg-gant-milestone', { |
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left: 'calc(' + leftPct + '% - ' + Math.round(o.rowHeight * 0.3) + 'px)', |
| 302 |
width: Math.round(o.rowHeight * 0.5) + 'px', |
| 303 |
height: Math.round(o.rowHeight * 0.5) + 'px', |
| 304 |
background: t.color || o.milestoneColor |
| 305 |
}); |
| 306 |
diamond.title = t.name || ''; |
| 307 |
rowEl.appendChild(diamond); |
| 308 |
} else if (!t.milestone) { |
| 309 |
var barH = Math.round(o.rowHeight * 0.55); |
| 310 |
var bar = makeEl('div', 'bkbg-gant-bar', { |
| 311 |
left: leftPct + '%', |
| 312 |
width: widthPct + '%', |
| 313 |
height: barH + 'px', |
| 314 |
background: t.color || '#6366f1', |
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borderRadius: o.taskRadius + 'px' |
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}); |
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bar.title = (t.name || '') + (t.assignee ? ' — ' + t.assignee : '') + (t.completed ? ' (' + t.completed + '%)' : ''); |
| 318 |
|
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if (o.showProgress && t.completed > 0) { |
| 320 |
var prog = makeEl('div', 'bkbg-gant-bar-progress', { |
| 321 |
width: Math.min(100, t.completed) + '%' |
| 322 |
}); |
| 323 |
bar.appendChild(prog); |
| 324 |
} |
| 325 |
rowEl.appendChild(bar); |
| 326 |
} |
| 327 |
} catch (err) {} |
| 328 |
} |
| 329 |
|
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rowsArea.appendChild(rowEl); |
| 331 |
}); |
| 332 |
|
| 333 |
/* Today line */ |
| 334 |
if (showToday) { |
| 335 |
var todayEl = makeEl('div', 'bkbg-gant-today', { |
| 336 |
left: todayPct + '%', |
| 337 |
background: o.todayLine |
| 338 |
}); |
| 339 |
rowsArea.appendChild(todayEl); |
| 340 |
} |
| 341 |
|
| 342 |
/* ── Legend ── */ |
| 343 |
if (o.showLegend) { |
| 344 |
var legend = makeEl('div', 'bkbg-gant-legend'); |
| 345 |
|
| 346 |
/* Task bar */ |
| 347 |
var lBar = makeEl('div', 'bkbg-gant-legend-item'); |
| 348 |
var lBarSwatch = makeEl('div', 'bkbg-gant-legend-bar', { background: '#6366f1' }); |
| 349 |
var lBarLabel = makeEl('span'); |
| 350 |
lBarLabel.textContent = 'Task'; |
| 351 |
lBar.appendChild(lBarSwatch); |
| 352 |
lBar.appendChild(lBarLabel); |
| 353 |
legend.appendChild(lBar); |
| 354 |
|
| 355 |
/* Milestone */ |
| 356 |
if (o.showMilestones) { |
| 357 |
var lMs = makeEl('div', 'bkbg-gant-legend-item'); |
| 358 |
var lMsSwatch = makeEl('div', 'bkbg-gant-legend-diamond', { background: o.milestoneColor }); |
| 359 |
var lMsLabel = makeEl('span'); |
| 360 |
lMsLabel.textContent = 'Milestone'; |
| 361 |
lMs.appendChild(lMsSwatch); |
| 362 |
lMs.appendChild(lMsLabel); |
| 363 |
legend.appendChild(lMs); |
| 364 |
} |
| 365 |
|
| 366 |
/* Today */ |
| 367 |
if (showToday) { |
| 368 |
var lTd = makeEl('div', 'bkbg-gant-legend-item'); |
| 369 |
var lTdLine = makeEl('div', 'bkbg-gant-legend-today', { background: o.todayLine }); |
| 370 |
var lTdLabel = makeEl('span'); |
| 371 |
lTdLabel.textContent = 'Today'; |
| 372 |
lTd.appendChild(lTdLine); |
| 373 |
lTd.appendChild(lTdLabel); |
| 374 |
legend.appendChild(lTd); |
| 375 |
} |
| 376 |
|
| 377 |
inner.appendChild(legend); |
| 378 |
} |
| 379 |
|
| 380 |
appEl.parentNode.insertBefore(container, appEl); |
| 381 |
appEl.style.display = 'none'; |
| 382 |
}); |
| 383 |
} |
| 384 |
|
| 385 |
if (document.readyState !== 'loading') { init(); } |
| 386 |
else { document.addEventListener('DOMContentLoaded', init); } |
| 387 |
})(); |
| 388 |
|
