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Refactor event and selection handling to a separate module.

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Leo Vasanko 2025-08-20 21:04:27 -06:00
parent 474b9fd497
commit 1edb3f0e85
2 changed files with 626 additions and 664 deletions
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698
calendar.js
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@ -12,9 +12,10 @@ import {
addDaysStr, addDaysStr,
getLocalizedWeekdayNames, getLocalizedWeekdayNames,
getLocalizedMonthName, getLocalizedMonthName,
formatDateRange formatDateRange,
,lunarPhaseSymbol lunarPhaseSymbol
} from './date-utils.js' } from './date-utils.js'
import { EventManager } from './event-manager.js'
class InfiniteCalendar { class InfiniteCalendar {
constructor(config = {}) { constructor(config = {}) {
@ -27,9 +28,8 @@ class InfiniteCalendar {
this.weekend = [true, false, false, false, false, false, true] this.weekend = [true, false, false, false, false, false, true]
// Event storage // Initialize event manager
this.events = new Map() // Map of date strings to arrays of events this.eventManager = new EventManager(this)
this.eventIdCounter = 1
this.viewport = document.getElementById('calendar-viewport') this.viewport = document.getElementById('calendar-viewport')
this.content = document.getElementById('calendar-content') this.content = document.getElementById('calendar-content')
@ -42,26 +42,14 @@ class InfiniteCalendar {
this.visibleWeeks = new Map() this.visibleWeeks = new Map()
this.baseDate = new Date(2024, 0, 1) // 2024 begins with Monday this.baseDate = new Date(2024, 0, 1) // 2024 begins with Monday
// unified selection state (single or range)
this.selStart = null
this.selEnd = null
this.isDragging = false
this.dragAnchor = null
// DnD state for events
this.dragEventState = null // { mode: 'move'|'resize-left'|'resize-right', id, originWeek, originStartIdx, originEndIdx, pointerStartX, pointerStartY, startDate, endDate }
this.init() this.init()
} } init() {
init() {
this.createHeader() this.createHeader()
this.setupScrollListener() this.setupScrollListener()
this.setupJogwheel() this.setupJogwheel()
this.setupYearScroll() this.setupYearScroll()
this.setupSelectionInput() this.setupSelectionInput()
this.setupCurrentDate() this.setupCurrentDate()
this.setupEventDialog()
this.setupInitialView() this.setupInitialView()
} }
@ -97,7 +85,7 @@ class InfiniteCalendar {
const todayDateElement = document.getElementById('today-date') const todayDateElement = document.getElementById('today-date')
todayDateElement.addEventListener('click', () => this.goToToday()) todayDateElement.addEventListener('click', () => this.goToToday())
if (this.config.select_days > 1) this.setupGlobalDragHandlers() // Day selection drag functionality is handled through cell event handlers in EventManager
updateDate() updateDate()
setInterval(updateDate, 1000) setInterval(updateDate, 1000)
} }
@ -345,35 +333,35 @@ class InfiniteCalendar {
cell.addEventListener('mousedown', e => { cell.addEventListener('mousedown', e => {
e.preventDefault() e.preventDefault()
e.stopPropagation() e.stopPropagation()
this.startDrag(dateStr) this.eventManager.startDrag(dateStr)
}) })
cell.addEventListener('touchstart', e => { cell.addEventListener('touchstart', e => {
e.preventDefault() e.preventDefault()
e.stopPropagation() e.stopPropagation()
this.startDrag(dateStr) this.eventManager.startDrag(dateStr)
}) })
cell.addEventListener('mouseenter', () => { cell.addEventListener('mouseenter', () => {
if (this.isDragging) this.updateDrag(dateStr) if (this.eventManager.isDragging) this.eventManager.updateDrag(dateStr)
}) })
cell.addEventListener('mouseup', e => { cell.addEventListener('mouseup', e => {
e.stopPropagation() e.stopPropagation()
if (this.isDragging) this.endDrag(dateStr) if (this.eventManager.isDragging) this.eventManager.endDrag(dateStr)
}) })
cell.addEventListener('touchmove', e => { cell.addEventListener('touchmove', e => {
if (this.isDragging) { if (this.eventManager.isDragging) {
e.preventDefault() e.preventDefault()
const touch = e.touches[0] const touch = e.touches[0]
const elementBelow = document.elementFromPoint(touch.clientX, touch.clientY) const elementBelow = document.elementFromPoint(touch.clientX, touch.clientY)
if (elementBelow && elementBelow.closest('.cell[data-date]')) { if (elementBelow && elementBelow.closest('.cell[data-date]')) {
const cellBelow = elementBelow.closest('.cell[data-date]') const cellBelow = elementBelow.closest('.cell[data-date]')
const touchDateStr = cellBelow.dataset.date const touchDateStr = cellBelow.dataset.date
if (touchDateStr) this.updateDrag(touchDateStr) if (touchDateStr) this.eventManager.updateDrag(touchDateStr)
} }
} }
}) })
cell.addEventListener('touchend', e => { cell.addEventListener('touchend', e => {
e.stopPropagation() e.stopPropagation()
if (this.isDragging) this.endDrag(dateStr) if (this.eventManager.isDragging) this.eventManager.endDrag(dateStr)
}) })
} }
@ -464,419 +452,7 @@ class InfiniteCalendar {
this.scrollToTarget(top, { smooth: true }) this.scrollToTarget(top, { smooth: true })
} }
// -------- Selection -------- // -------- Event Rendering (overlay-based) --------
clampRange(anchorStr, otherStr) {
if (this.config.select_days <= 1) return [otherStr, otherStr]
const limit = this.config.select_days
const forward = fromLocalString(otherStr) >= fromLocalString(anchorStr)
const span = daysInclusive(anchorStr, otherStr)
if (span <= limit) {
const a = [anchorStr, otherStr].sort()
return [a[0], a[1]]
}
if (forward) return [anchorStr, addDaysStr(anchorStr, limit - 1)]
return [addDaysStr(anchorStr, -(limit - 1)), anchorStr]
}
setSelection(aStr, bStr) {
const [start, end] = this.clampRange(aStr, bStr)
this.selStart = start
this.selEnd = end
this.applySelectionToVisible()
this.selectedDateInput.value = formatDateRange(fromLocalString(start), fromLocalString(end))
}
clearSelection() {
this.selStart = null
this.selEnd = null
for (const [, weekEl] of this.visibleWeeks) {
weekEl.querySelectorAll('.cell.selected').forEach(c => c.classList.remove('selected'))
}
this.selectedDateInput.value = ''
}
applySelectionToVisible() {
for (const [, weekEl] of this.visibleWeeks) {
const cells = weekEl.querySelectorAll('.cell[data-date]')
for (const cell of cells) {
if (!this.selStart || !this.selEnd) {
cell.classList.remove('selected')
continue
}
const ds = cell.dataset.date
const inRange = ds >= this.selStart && ds <= this.selEnd
cell.classList.toggle('selected', inRange)
}
}
}
setupGlobalDragHandlers() {
document.addEventListener('mouseup', () => {
if (!this.isDragging) return
this.isDragging = false
document.body.style.cursor = 'default'
})
document.addEventListener('touchend', () => {
if (!this.isDragging) return
this.isDragging = false
document.body.style.cursor = 'default'
})
document.addEventListener('touchmove', e => {
if (!this.isDragging) return
e.preventDefault()
const touch = e.touches[0]
const elementBelow = document.elementFromPoint(touch.clientX, touch.clientY)
if (elementBelow && elementBelow.closest('.cell[data-date]')) {
const cellBelow = elementBelow.closest('.cell[data-date]')
const touchDateStr = cellBelow.dataset.date
if (touchDateStr) this.updateDrag(touchDateStr)
}
}, { passive: false })
document.addEventListener('selectstart', e => {
if (this.isDragging) e.preventDefault()
})
document.addEventListener('contextmenu', e => {
if (this.isDragging) e.preventDefault()
})
}
startDrag(dateStr) {
if (this.config.select_days === 0) return
this.isDragging = true
this.dragAnchor = dateStr
this.setSelection(dateStr, dateStr)
}
updateDrag(dateStr) {
if (!this.isDragging) return
this.setSelection(this.dragAnchor, dateStr)
document.body.style.cursor = 'default'
}
endDrag(dateStr) {
if (!this.isDragging) return
this.isDragging = false
this.setSelection(this.dragAnchor, dateStr)
document.body.style.cursor = 'default'
if (this.selStart && this.selEnd) {
setTimeout(() => this.showEventDialog('create'), 50)
}
}
// -------- Event Management (overlay-based) --------
// Build dialog DOM once
setupEventDialog() {
const tpl = document.createElement('template')
tpl.innerHTML = `
<div class="ec-modal-backdrop" part="backdrop" hidden>
<div class="ec-modal" role="dialog" aria-modal="true" aria-labelledby="ec-modal-title">
<form class="ec-form" novalidate>
<header class="ec-header">
<h2 id="ec-modal-title">Event</h2>
</header>
<div class="ec-body">
<label class="ec-field">
<span>Title</span>
<input type="text" name="title" autocomplete="off" required />
</label>
<div class="ec-row">
<label class="ec-field">
<span>Start day</span>
<input type="date" name="startDate" />
</label>
<label class="ec-field">
<span>Duration</span>
<select name="duration">
<option value="15">15 minutes</option>
<option value="30">30 minutes</option>
<option value="45">45 minutes</option>
<option value="60" selected>1 hour</option>
<option value="90">1.5 hours</option>
<option value="120">2 hours</option>
<option value="180">3 hours</option>
<option value="240">4 hours</option>
<option value="480">8 hours</option>
<option value="720">12 hours</option>
<option value="1440">Full day</option>
<option value="2880">2 days</option>
<option value="4320">3 days</option>
<option value="10080">7 days</option>
</select>
</label>
</div>
<div class="ec-row ec-time-row">
<label class="ec-field">
<span>Start time</span>
<input type="time" name="startTime" step="300" />
</label>
<div></div>
</div>
<div class="ec-color-swatches">
${Array.from({ length: 8 }, (_, i) => `
<input class="swatch event-color-${i}" type="radio" name="colorId" value="${i}">
`).join('')}
</div>
</div>
<footer class="ec-footer">
<button type="button" class="ec-btn" data-action="cancel">Cancel</button>
<button type="submit" class="ec-btn primary">Save</button>
</footer>
</form>
</div>
</div>`
document.body.appendChild(tpl.content)
this.eventModal = document.querySelector('.ec-modal-backdrop')
this.eventForm = this.eventModal.querySelector('form.ec-form')
this.eventTitleInput = this.eventForm.elements['title']
this.eventStartDateInput = this.eventForm.elements['startDate']
this.eventStartTimeInput = this.eventForm.elements['startTime']
this.eventDurationInput = this.eventForm.elements['duration']
this.eventTimeRow = this.eventForm.querySelector('.ec-time-row')
this.eventColorInputs = Array.from(this.eventForm.querySelectorAll('input[name="colorId"]'))
// duration change toggles time visibility
this.eventDurationInput.addEventListener('change', () => this.updateTimeVisibilityByDuration())
// color selection visual state
this.eventColorInputs.forEach(radio => {
radio.addEventListener('change', () => {
const swatches = this.eventForm.querySelectorAll('.ec-color-swatches .swatch')
swatches.forEach(s => s.classList.toggle('selected', s.checked))
})
})
this.eventForm.addEventListener('submit', e => {
e.preventDefault()
const data = this.readEventForm()
if (!data.title.trim()) return
if (this._dialogMode === 'create') {
const computed = this.computeDatesFromForm(data)
this.createEvent({
title: data.title.trim(),
startDate: computed.startDate,
endDate: computed.endDate,
colorId: data.colorId,
startTime: data.startTime,
durationMinutes: data.duration
})
this.clearSelection()
} else if (this._dialogMode === 'edit' && this._editingEventId != null) {
const computed = this.computeDatesFromForm(data)
this.applyEventEdit(this._editingEventId, { ...data, ...computed })
}
this.hideEventDialog()
})
this.eventForm.querySelector('[data-action="cancel"]').addEventListener('click', () => {
this.hideEventDialog()
if (this._dialogMode === 'create') this.clearSelection()
})
this.eventModal.addEventListener('click', e => {
if (e.target === this.eventModal) this.hideEventDialog()
})
document.addEventListener('keydown', e => {
if (this.eventModal.hidden) return
if (e.key === 'Escape') {
this.hideEventDialog()
if (this._dialogMode === 'create') this.clearSelection()
}
})
}
showEventDialog(mode, opts = {}) {
this._dialogMode = mode
this._editingEventId = null
if (mode === 'create') {
// Defaults for new event
this.eventTitleInput.value = ''
this.eventStartTimeInput.value = '09:00'
// start date defaults
this.eventStartDateInput.value = this.selStart || toLocalString(new Date())
// duration defaults from selection (full days) or 60 min
if (this.selStart && this.selEnd) {
const days = daysInclusive(this.selStart, this.selEnd)
this.setDurationValue(days * 1440)
} else {
this.setDurationValue(60)
}
// suggest least-used color across range
const suggested = this.selectEventColorId(this.selStart, this.selEnd)
this.eventColorInputs.forEach(r => r.checked = Number(r.value) === suggested)
this.updateTimeVisibilityByDuration()
} else if (mode === 'edit') {
const ev = this.getEventById(opts.id)
if (!ev) return
this._editingEventId = ev.id
this.eventTitleInput.value = ev.title || ''
this.eventStartDateInput.value = ev.startDate
if (ev.startDate !== ev.endDate) {
const days = daysInclusive(ev.startDate, ev.endDate)
this.setDurationValue(days * 1440)
} else {
this.setDurationValue(ev.durationMinutes || 60)
}
this.eventStartTimeInput.value = ev.startTime || '09:00'
this.eventColorInputs.forEach(r => r.checked = Number(r.value) === (ev.colorId ?? 0))
this.updateTimeVisibilityByDuration()
}
this.eventModal.hidden = false
// simple focus
setTimeout(() => this.eventTitleInput.focus(), 0)
}
toggleTimeRow(show) {
if (!this.eventTimeRow) return
this.eventTimeRow.style.display = show ? '' : 'none'
}
updateTimeVisibilityByDuration() {
const minutes = Number(this.eventDurationInput.value || 0)
const isFullDayOrMore = minutes >= 1440
this.toggleTimeRow(!isFullDayOrMore)
}
hideEventDialog() {
this.eventModal.hidden = true
}
readEventForm() {
const colorId = Number(this.eventForm.querySelector('input[name="colorId"]:checked')?.value ?? 0)
const timeRowVisible = this.eventTimeRow && this.eventTimeRow.style.display !== 'none'
return {
title: this.eventTitleInput.value,
startDate: this.eventStartDateInput.value,
startTime: timeRowVisible ? (this.eventStartTimeInput.value || '09:00') : null,
duration: timeRowVisible ? Math.max(15, Number(this.eventDurationInput.value) || 60) : null,
colorId
}
}
setDurationValue(minutes) {
const v = String(minutes)
const exists = Array.from(this.eventDurationInput.options).some(o => o.value === v)
if (!exists) {
const opt = document.createElement('option')
opt.value = v
const days = Math.floor(minutes / 1440)
opt.textContent = days >= 1 ? `${days} day${days > 1 ? 's' : ''}` : `${minutes} minutes`
this.eventDurationInput.appendChild(opt)
}
this.eventDurationInput.value = v
}
computeDatesFromForm(data) {
const minutes = Number(this.eventDurationInput.value || 0)
if (minutes >= 1440) {
const days = Math.max(1, Math.floor(minutes / 1440))
return { startDate: data.startDate, endDate: addDaysStr(data.startDate, days - 1) }
}
return { startDate: data.startDate, endDate: data.startDate }
}
createEvent(eventData) {
const singleDay = eventData.startDate === eventData.endDate
const event = {
id: this.eventIdCounter++,
title: eventData.title,
startDate: eventData.startDate,
endDate: eventData.endDate,
colorId: eventData.colorId ?? this.selectEventColorId(eventData.startDate, eventData.endDate),
startTime: singleDay ? (eventData.startTime || '09:00') : null,
durationMinutes: singleDay ? (eventData.durationMinutes || 60) : null
}
const startDate = new Date(fromLocalString(event.startDate))
const endDate = new Date(fromLocalString(event.endDate))
for (let d = new Date(startDate); d <= endDate; d.setDate(d.getDate() + 1)) {
const dateStr = toLocalString(d)
if (!this.events.has(dateStr)) this.events.set(dateStr, [])
this.events.get(dateStr).push({ ...event, isSpanning: startDate < endDate })
}
this.refreshEvents()
}
applyEventEdit(eventId, data) {
const current = this.getEventById(eventId)
if (!current) return
const newStart = data.startDate || current.startDate
const newEnd = data.endDate || current.endDate
const datesChanged = (newStart !== current.startDate) || (newEnd !== current.endDate)
if (datesChanged) {
const multi = daysInclusive(newStart, newEnd) > 1
const payload = {
...current,
title: data.title.trim(),
colorId: data.colorId,
startDate: newStart,
endDate: newEnd,
startTime: multi ? null : (data.startTime ?? current.startTime),
durationMinutes: multi ? null : (data.duration ?? current.durationMinutes)
}
this.updateEventDatesAndReindex(eventId, payload)
this.refreshEvents()
return
}
// No date change: update in place across instances
for (const [, list] of this.events) {
for (let i = 0; i < list.length; i++) {
if (list[i].id === eventId) {
const isMulti = list[i].startDate !== list[i].endDate
list[i] = {
...list[i],
title: data.title.trim(),
colorId: data.colorId,
startTime: isMulti ? null : data.startTime,
durationMinutes: isMulti ? null : data.duration
}
}
}
}
this.refreshEvents()
}
getEventById(id) {
for (const [, list] of this.events) {
const found = list.find(e => e.id === id)
if (found) return found
}
return null
}
selectEventColorId(startDateStr, endDateStr) {
// Count frequency of each color used on the date range
const colorCounts = [0, 0, 0, 0, 0, 0, 0, 0]
const startDate = new Date(fromLocalString(startDateStr))
const endDate = new Date(fromLocalString(endDateStr))
for (let d = new Date(startDate); d <= endDate; d.setDate(d.getDate() + 1)) {
const dateStr = toLocalString(d)
const dayEvents = this.events.get(dateStr) || []
for (const event of dayEvents) {
if (event.colorId >= 0 && event.colorId < 8) {
colorCounts[event.colorId]++
}
}
}
// Find the color with the lowest count
// For equal counts, prefer the lowest color number
let minCount = colorCounts[0]
let selectedColor = 0
for (let colorId = 1; colorId < 8; colorId++) {
if (colorCounts[colorId] < minCount) {
minCount = colorCounts[colorId]
selectedColor = colorId
}
}
return selectedColor
}
refreshEvents() { refreshEvents() {
for (const [, weekEl] of this.visibleWeeks) { for (const [, weekEl] of this.visibleWeeks) {
@ -904,10 +480,10 @@ class InfiniteCalendar {
while (overlay.firstChild) overlay.removeChild(overlay.firstChild) while (overlay.firstChild) overlay.removeChild(overlay.firstChild)
const weekEvents = new Map() const weekEvents = new Map()
for (const cell of cells) { for (const cell of cells) {
const dateStr = cell.dataset.date const dateStr = cell.dataset.date
const events = this.events.get(dateStr) || [] const events = this.eventManager.events.get(dateStr) || []
for (const ev of events) { for (const ev of events) {
if (!weekEvents.has(ev.id)) { if (!weekEvents.has(ev.id)) {
weekEvents.set(ev.id, { weekEvents.set(ev.id, {
@ -926,8 +502,8 @@ class InfiniteCalendar {
} }
// If dragging, hide the original of the dragged event and inject preview if it intersects this week // If dragging, hide the original of the dragged event and inject preview if it intersects this week
if (this.dragPreview && this.dragPreview.id != null) { if (this.eventManager.dragPreview && this.eventManager.dragPreview.id != null) {
const pv = this.dragPreview const pv = this.eventManager.dragPreview
// Remove original entries of the dragged event for this week to prevent ghosts // Remove original entries of the dragged event for this week to prevent ghosts
if (weekEvents.has(pv.id)) weekEvents.delete(pv.id) if (weekEvents.has(pv.id)) weekEvents.delete(pv.id)
// Determine week range // Determine week range
@ -951,7 +527,7 @@ class InfiniteCalendar {
if (eIdx === -1) eIdx = cells.length - 1 if (eIdx === -1) eIdx = cells.length - 1
// Build/override entry // Build/override entry
const baseEv = this.getEventById(pv.id) const baseEv = this.eventManager.getEventById(pv.id)
if (baseEv) { if (baseEv) {
const entry = { const entry = {
...baseEv, ...baseEv,
@ -1020,7 +596,7 @@ class InfiniteCalendar {
} }
// Create the spans // Create the spans
for (const w of spans) this.createOverlaySpan(overlay, w, weekEl) for (const w of spans) this.createOverlaySpan(overlay, w, weekEl)
} }
createOverlaySpan(overlay, w, weekEl) { createOverlaySpan(overlay, w, weekEl) {
@ -1031,13 +607,13 @@ class InfiniteCalendar {
span.textContent = w.title span.textContent = w.title
span.title = `${w.title} (${w.startDate === w.endDate ? w.startDate : w.startDate + ' - ' + w.endDate})` span.title = `${w.title} (${w.startDate === w.endDate ? w.startDate : w.startDate + ' - ' + w.endDate})`
span.dataset.eventId = String(w.id) span.dataset.eventId = String(w.id)
if (this.dragEventState && this.dragEventState.id === w.id) span.classList.add('dragging') if (this.eventManager.dragEventState && this.eventManager.dragEventState.id === w.id) span.classList.add('dragging')
// Click opens edit if not dragging // Click opens edit if not dragging
span.addEventListener('click', e => { span.addEventListener('click', e => {
e.stopPropagation() e.stopPropagation()
if (this.dragEventState || this.justDragged) return if (this.eventManager.dragEventState || this.eventManager.justDragged) return
this.showEventDialog('edit', { id: w.id }) this.eventManager.showEventDialog('edit', { id: w.id })
}) })
// Add resize handles // Add resize handles
@ -1054,7 +630,7 @@ class InfiniteCalendar {
ev.stopPropagation() ev.stopPropagation()
const point = ev.touches ? ev.touches[0] : ev const point = ev.touches ? ev.touches[0] : ev
const hitAtStart = this.getDateUnderPointer(point.clientX, point.clientY) const hitAtStart = this.getDateUnderPointer(point.clientX, point.clientY)
this.dragEventState = { this.eventManager.dragEventState = {
mode, mode,
id: w.id, id: w.id,
originWeek: weekEl, originWeek: weekEl,
@ -1076,19 +652,19 @@ class InfiniteCalendar {
else if (anchorDate > w.endDate) anchorOffset = spanDays - 1 else if (anchorDate > w.endDate) anchorOffset = spanDays - 1
else anchorOffset = daysInclusive(w.startDate, anchorDate) - 1 else anchorOffset = daysInclusive(w.startDate, anchorDate) - 1
} }
this.dragEventState.anchorOffset = anchorOffset this.eventManager.dragEventState.anchorOffset = anchorOffset
this.dragEventState.originSpanDays = spanDays this.eventManager.dragEventState.originSpanDays = spanDays
this.dragEventState.originalStartDate = w.startDate this.eventManager.dragEventState.originalStartDate = w.startDate
this.dragEventState.originalEndDate = w.endDate this.eventManager.dragEventState.originalEndDate = w.endDate
// capture pointer to ensure we receive the up even if cursor leaves element // capture pointer to ensure we receive the up even if cursor leaves element
if (this.dragEventState.usingPointer && span.setPointerCapture && ev.pointerId != null) { if (this.eventManager.dragEventState.usingPointer && span.setPointerCapture && ev.pointerId != null) {
try { span.setPointerCapture(ev.pointerId) } catch {} try { span.setPointerCapture(ev.pointerId) } catch {}
} }
this.dragEventState.element = span this.eventManager.dragEventState.element = span
this.dragEventState.currentOverlay = overlay this.eventManager.dragEventState.currentOverlay = overlay
this._eventDragMoved = false this.eventManager._eventDragMoved = false
span.classList.add('dragging') span.classList.add('dragging')
this.installGlobalEventDragHandlers() this.eventManager.installGlobalEventDragHandlers()
} }
// Mouse // Mouse
left.addEventListener('mousedown', e => onPointerDown('resize-left', e)) left.addEventListener('mousedown', e => onPointerDown('resize-left', e))
@ -1114,140 +690,6 @@ class InfiniteCalendar {
overlay.appendChild(span) overlay.appendChild(span)
} }
installGlobalEventDragHandlers() {
if (this._installedEventDrag) return
this._installedEventDrag = true
this._onMouseMoveEventDrag = e => this.onEventDragMove(e)
this._onMouseUpEventDrag = e => this.onEventDragEnd(e)
document.addEventListener('mousemove', this._onMouseMoveEventDrag)
document.addEventListener('mouseup', this._onMouseUpEventDrag)
// touch
this._onTouchMoveEventDrag = e => this.onEventDragMove(e)
this._onTouchEndEventDrag = e => this.onEventDragEnd(e)
document.addEventListener('touchmove', this._onTouchMoveEventDrag, { passive: false })
document.addEventListener('touchend', this._onTouchEndEventDrag)
// window-level safety to prevent stuck drags
this._onWindowMouseUpEventDrag = e => this.onEventDragEnd(e)
this._onWindowBlurEventDrag = () => this.onEventDragEnd()
window.addEventListener('mouseup', this._onWindowMouseUpEventDrag)
window.addEventListener('blur', this._onWindowBlurEventDrag)
// pointer events
this._onPointerMoveEventDrag = e => this.onEventDragMove(e)
this._onPointerUpEventDrag = e => this.onEventDragEnd(e)
this._onPointerCancelEventDrag = e => this.onEventDragEnd(e)
window.addEventListener('pointermove', this._onPointerMoveEventDrag)
window.addEventListener('pointerup', this._onPointerUpEventDrag)
window.addEventListener('pointercancel', this._onPointerCancelEventDrag)
}
removeGlobalEventDragHandlers() {
if (!this._installedEventDrag) return
document.removeEventListener('mousemove', this._onMouseMoveEventDrag)
document.removeEventListener('mouseup', this._onMouseUpEventDrag)
document.removeEventListener('touchmove', this._onTouchMoveEventDrag)
document.removeEventListener('touchend', this._onTouchEndEventDrag)
window.removeEventListener('mouseup', this._onWindowMouseUpEventDrag)
window.removeEventListener('blur', this._onWindowBlurEventDrag)
window.removeEventListener('pointermove', this._onPointerMoveEventDrag)
window.removeEventListener('pointerup', this._onPointerUpEventDrag)
window.removeEventListener('pointercancel', this._onPointerCancelEventDrag)
this._installedEventDrag = false
}
onEventDragMove(e) {
if (!this.dragEventState) return
if (this.dragEventState.usingPointer && !(e && e.type && e.type.startsWith('pointer'))) return
const { pointerStartX } = this.dragEventState
if (e && e.cancelable) e.preventDefault()
const pt = e.touches ? e.touches[0] : e
const hit = pt ? this.getDateUnderPointer(pt.clientX, pt.clientY) : null
if (hit && hit.date) {
const [s, en] = this.computeTentativeRangeFromPointer(hit.date)
this.dragPreview = { id: this.dragEventState.id, startDate: s, endDate: en }
} else {
this.dragPreview = null
}
this._eventDragMoved = true
this.forceUpdateVisibleWeeks()
}
onEventDragEnd(e) {
if (!this.dragEventState) return
if (this.dragEventState.usingPointer && e && !(e.type && e.type.startsWith('pointer'))) {
// Ignore mouse/touch ups while using pointer stream
return
}
const st = this.dragEventState
const weekEl = st.originWeek
const getPoint = ev => (ev && ev.changedTouches && ev.changedTouches[0]) ? ev.changedTouches[0] : (ev && ev.touches ? ev.touches[0] : ev)
const pt = getPoint(e)
let startDateStr = this.dragPreview?.startDate
let endDateStr = this.dragPreview?.endDate
// If no preview strings were set, derive from pointer now
if (!startDateStr || !endDateStr) {
const drop = pt ? this.getDateUnderPointer(pt.clientX, pt.clientY) : null
if (drop && drop.date) {
const pair = this.computeTentativeRangeFromPointer(drop.date)
startDateStr = pair[0]
endDateStr = pair[1]
} else {
// Fallback: keep original
startDateStr = st.startDate
endDateStr = st.endDate
}
}
// Apply transformation: move or resize.
const ev = this.getEventById(st.id)
if (ev) {
const updated = { ...ev }
if (st.mode === 'move') {
const spanDays = daysInclusive(ev.startDate, ev.endDate)
updated.startDate = startDateStr
updated.endDate = addDaysStr(startDateStr, spanDays - 1)
} else {
// Resize left/right updates start or end date
if (startDateStr <= endDateStr) {
updated.startDate = startDateStr
updated.endDate = endDateStr
}
}
// If now spans more than 1 day, force full-day semantics
let [ns, ne] = this.normalizeDateOrder(updated.startDate, updated.endDate)
updated.startDate = ns
updated.endDate = ne
const multi = daysInclusive(updated.startDate, updated.endDate) > 1
if (multi) {
updated.startTime = null
updated.durationMinutes = null
} else {
// Single-day: ensure we have a time window
if (!updated.startTime) updated.startTime = '09:00'
if (!updated.durationMinutes) updated.durationMinutes = 60
}
this.updateEventDatesAndReindex(ev.id, updated)
}
// Cleanup
// No need to directly manipulate DOM; we re-render
// release pointer capture if any
try {
if (st.usingPointer && st.element && st.element.releasePointerCapture && e && e.pointerId != null) {
st.element.releasePointerCapture(e.pointerId)
}
} catch {}
this.dragEventState = null
this.justDragged = !!this._eventDragMoved
this._eventDragMoved = false
this.removeGlobalEventDragHandlers()
this.forceUpdateVisibleWeeks()
// Clear justDragged after microtask so subsequent click isn't fired as edit
setTimeout(() => { this.justDragged = false }, 0)
this.dragPreview = null
}
getDateUnderPointer(clientX, clientY) { getDateUnderPointer(clientX, clientY) {
const el = document.elementFromPoint(clientX, clientY) const el = document.elementFromPoint(clientX, clientY)
if (!el) return null if (!el) return null
@ -1273,78 +715,6 @@ class InfiniteCalendar {
const cell = cells[col] const cell = cells[col]
return cell ? { weekEl, overlay, col, date: cell.dataset.date } : null return cell ? { weekEl, overlay, col, date: cell.dataset.date } : null
} }
computeTentativeRangeFromPointer(dropDateStr) {
const st = this.dragEventState
if (!st) return [null, null]
const anchorOffset = st.anchorOffset || 0
const spanDays = st.originSpanDays || daysInclusive(st.startDate, st.endDate)
let startStr = st.startDate
let endStr = st.endDate
if (st.mode === 'move') {
startStr = addDaysStr(dropDateStr, -anchorOffset)
endStr = addDaysStr(startStr, spanDays - 1)
} else if (st.mode === 'resize-left') {
startStr = dropDateStr
endStr = st.originalEndDate || st.endDate
} else if (st.mode === 'resize-right') {
startStr = st.originalStartDate || st.startDate
endStr = dropDateStr
}
const [ns, ne] = this.normalizeDateOrder(startStr, endStr)
return [ns, ne]
}
computeSpanIndicesForWeek(cells, startStr, endStr) {
if (!cells || cells.length !== 7) return null
if (!startStr || !endStr) return null
const sIdx = cells.findIndex(c => c.dataset.date >= startStr)
const eIdx = (() => {
let idx = -1
for (let i = 0; i < cells.length; i++) {
if (cells[i].dataset.date <= endStr) idx = i
}
return idx
})()
if (sIdx === -1 || eIdx === -1 || sIdx > 6 || eIdx < 0) return null
const start = Math.max(0, sIdx)
const end = Math.min(6, eIdx)
if (start > end) return null
return [start, end]
}
// (preview functions removed; moving actual element during drag)
normalizeDateOrder(aStr, bStr) {
if (!aStr) return [bStr, bStr]
if (!bStr) return [aStr, aStr]
return aStr <= bStr ? [aStr, bStr] : [bStr, aStr]
}
updateEventDatesAndReindex(eventId, updated) {
// Remove old instances
for (const [date, list] of this.events) {
const idx = list.findIndex(e => e.id === eventId)
if (idx !== -1) list.splice(idx, 1)
if (list.length === 0) this.events.delete(date)
}
// Re-add across new range
const start = new Date(fromLocalString(updated.startDate))
const end = new Date(fromLocalString(updated.endDate))
const base = {
id: updated.id,
title: updated.title,
colorId: updated.colorId,
startDate: updated.startDate,
endDate: updated.endDate,
startTime: updated.startTime,
durationMinutes: updated.durationMinutes
}
for (let d = new Date(start); d <= end; d.setDate(d.getDate() + 1)) {
const ds = toLocalString(d)
if (!this.events.has(ds)) this.events.set(ds, [])
this.events.get(ds).push({ ...base, isSpanning: start < end })
}
}
} }
document.addEventListener('DOMContentLoaded', () => { document.addEventListener('DOMContentLoaded', () => {

592
event-manager.js Normal file
View File

@ -0,0 +1,592 @@
// event-manager.js — Event creation, editing, drag/drop, and selection logic
import {
toLocalString,
fromLocalString,
daysInclusive,
addDaysStr,
formatDateRange
} from './date-utils.js'
export class EventManager {
constructor(calendar) {
this.calendar = calendar
this.events = new Map() // Map of date strings to arrays of events
this.eventIdCounter = 1
// Selection state
this.selStart = null
this.selEnd = null
this.isDragging = false
this.dragAnchor = null
// Event drag state
this.dragEventState = null
this.dragPreview = null
this.justDragged = false
this._eventDragMoved = false
this._installedEventDrag = false
this.setupEventDialog()
}
// -------- Selection Logic --------
clampRange(anchorStr, otherStr) {
if (this.calendar.config.select_days <= 1) return [otherStr, otherStr]
const limit = this.calendar.config.select_days
const forward = fromLocalString(otherStr) >= fromLocalString(anchorStr)
const span = daysInclusive(anchorStr, otherStr)
if (span <= limit) {
const a = [anchorStr, otherStr].sort()
return [a[0], a[1]]
}
if (forward) return [anchorStr, addDaysStr(anchorStr, limit - 1)]
return [addDaysStr(anchorStr, -(limit - 1)), anchorStr]
}
setSelection(aStr, bStr) {
const [start, end] = this.clampRange(aStr, bStr)
this.selStart = start
this.selEnd = end
this.applySelectionToVisible()
this.calendar.selectedDateInput.value = formatDateRange(fromLocalString(start), fromLocalString(end))
}
clearSelection() {
this.selStart = null
this.selEnd = null
for (const [, weekEl] of this.calendar.visibleWeeks) {
weekEl.querySelectorAll('.cell.selected').forEach(c => c.classList.remove('selected'))
}
this.calendar.selectedDateInput.value = ''
}
applySelectionToVisible() {
for (const [, weekEl] of this.calendar.visibleWeeks) {
const cells = weekEl.querySelectorAll('.cell[data-date]')
for (const cell of cells) {
if (!this.selStart || !this.selEnd) {
cell.classList.remove('selected')
continue
}
const ds = cell.dataset.date
const inRange = ds >= this.selStart && ds <= this.selEnd
cell.classList.toggle('selected', inRange)
}
}
}
startDrag(dateStr) {
if (this.calendar.config.select_days === 0) return
this.isDragging = true
this.dragAnchor = dateStr
this.setSelection(dateStr, dateStr)
}
updateDrag(dateStr) {
if (!this.isDragging) return
this.setSelection(this.dragAnchor, dateStr)
document.body.style.cursor = 'default'
}
endDrag(dateStr) {
if (!this.isDragging) return
this.isDragging = false
this.setSelection(this.dragAnchor, dateStr)
document.body.style.cursor = 'default'
if (this.selStart && this.selEnd) {
setTimeout(() => this.showEventDialog('create'), 50)
}
}
// -------- Event Management --------
createEvent(eventData) {
const singleDay = eventData.startDate === eventData.endDate
const event = {
id: this.eventIdCounter++,
title: eventData.title,
startDate: eventData.startDate,
endDate: eventData.endDate,
colorId: eventData.colorId ?? this.selectEventColorId(eventData.startDate, eventData.endDate),
startTime: singleDay ? (eventData.startTime || '09:00') : null,
durationMinutes: singleDay ? (eventData.durationMinutes || 60) : null
}
const startDate = new Date(fromLocalString(event.startDate))
const endDate = new Date(fromLocalString(event.endDate))
for (let d = new Date(startDate); d <= endDate; d.setDate(d.getDate() + 1)) {
const dateStr = toLocalString(d)
if (!this.events.has(dateStr)) this.events.set(dateStr, [])
this.events.get(dateStr).push({ ...event, isSpanning: startDate < endDate })
}
this.calendar.forceUpdateVisibleWeeks()
}
getEventById(id) {
for (const [, list] of this.events) {
const found = list.find(e => e.id === id)
if (found) return found
}
return null
}
selectEventColorId(startDateStr, endDateStr) {
const colorCounts = [0, 0, 0, 0, 0, 0, 0, 0]
const startDate = new Date(fromLocalString(startDateStr))
const endDate = new Date(fromLocalString(endDateStr))
for (let d = new Date(startDate); d <= endDate; d.setDate(d.getDate() + 1)) {
const dateStr = toLocalString(d)
const dayEvents = this.events.get(dateStr) || []
for (const event of dayEvents) {
if (event.colorId >= 0 && event.colorId < 8) {
colorCounts[event.colorId]++
}
}
}
let minCount = colorCounts[0]
let selectedColor = 0
for (let colorId = 1; colorId < 8; colorId++) {
if (colorCounts[colorId] < minCount) {
minCount = colorCounts[colorId]
selectedColor = colorId
}
}
return selectedColor
}
applyEventEdit(eventId, data) {
const current = this.getEventById(eventId)
if (!current) return
const newStart = data.startDate || current.startDate
const newEnd = data.endDate || current.endDate
const datesChanged = (newStart !== current.startDate) || (newEnd !== current.endDate)
if (datesChanged) {
const multi = daysInclusive(newStart, newEnd) > 1
const payload = {
...current,
title: data.title.trim(),
colorId: data.colorId,
startDate: newStart,
endDate: newEnd,
startTime: multi ? null : (data.startTime ?? current.startTime),
durationMinutes: multi ? null : (data.duration ?? current.durationMinutes)
}
this.updateEventDatesAndReindex(eventId, payload)
this.calendar.forceUpdateVisibleWeeks()
return
}
// No date change: update in place across instances
for (const [, list] of this.events) {
for (let i = 0; i < list.length; i++) {
if (list[i].id === eventId) {
const isMulti = list[i].startDate !== list[i].endDate
list[i] = {
...list[i],
title: data.title.trim(),
colorId: data.colorId,
startTime: isMulti ? null : data.startTime,
durationMinutes: isMulti ? null : data.duration
}
}
}
}
this.calendar.forceUpdateVisibleWeeks()
}
updateEventDatesAndReindex(eventId, updated) {
// Remove old instances
for (const [date, list] of this.events) {
const idx = list.findIndex(e => e.id === eventId)
if (idx !== -1) list.splice(idx, 1)
if (list.length === 0) this.events.delete(date)
}
// Re-add across new range
const start = new Date(fromLocalString(updated.startDate))
const end = new Date(fromLocalString(updated.endDate))
const base = {
id: updated.id,
title: updated.title,
colorId: updated.colorId,
startDate: updated.startDate,
endDate: updated.endDate,
startTime: updated.startTime,
durationMinutes: updated.durationMinutes
}
for (let d = new Date(start); d <= end; d.setDate(d.getDate() + 1)) {
const ds = toLocalString(d)
if (!this.events.has(ds)) this.events.set(ds, [])
this.events.get(ds).push({ ...base, isSpanning: start < end })
}
}
// -------- Event Dialog --------
setupEventDialog() {
const tpl = document.createElement('template')
tpl.innerHTML = `
<div class="ec-modal-backdrop" part="backdrop" hidden>
<div class="ec-modal" role="dialog" aria-modal="true" aria-labelledby="ec-modal-title">
<form class="ec-form" novalidate>
<header class="ec-header">
<h2 id="ec-modal-title">Event</h2>
</header>
<div class="ec-body">
<label class="ec-field">
<span>Title</span>
<input type="text" name="title" autocomplete="off" required />
</label>
<div class="ec-row">
<label class="ec-field">
<span>Start day</span>
<input type="date" name="startDate" />
</label>
<label class="ec-field">
<span>Duration</span>
<select name="duration">
<option value="15">15 minutes</option>
<option value="30">30 minutes</option>
<option value="45">45 minutes</option>
<option value="60" selected>1 hour</option>
<option value="90">1.5 hours</option>
<option value="120">2 hours</option>
<option value="180">3 hours</option>
<option value="240">4 hours</option>
<option value="480">8 hours</option>
<option value="720">12 hours</option>
<option value="1440">Full day</option>
<option value="2880">2 days</option>
<option value="4320">3 days</option>
<option value="10080">7 days</option>
</select>
</label>
</div>
<div class="ec-row ec-time-row">
<label class="ec-field">
<span>Start time</span>
<input type="time" name="startTime" step="300" />
</label>
<div></div>
</div>
<div class="ec-color-swatches">
${Array.from({ length: 8 }, (_, i) => `
<input class="swatch event-color-${i}" type="radio" name="colorId" value="${i}">
`).join('')}
</div>
</div>
<footer class="ec-footer">
<button type="button" class="ec-btn" data-action="cancel">Cancel</button>
<button type="submit" class="ec-btn primary">Save</button>
</footer>
</form>
</div>
</div>`
document.body.appendChild(tpl.content)
this.eventModal = document.querySelector('.ec-modal-backdrop')
this.eventForm = this.eventModal.querySelector('form.ec-form')
this.eventTitleInput = this.eventForm.elements['title']
this.eventStartDateInput = this.eventForm.elements['startDate']
this.eventStartTimeInput = this.eventForm.elements['startTime']
this.eventDurationInput = this.eventForm.elements['duration']
this.eventTimeRow = this.eventForm.querySelector('.ec-time-row')
this.eventColorInputs = Array.from(this.eventForm.querySelectorAll('input[name="colorId"]'))
// Duration change toggles time visibility
this.eventDurationInput.addEventListener('change', () => this.updateTimeVisibilityByDuration())
// Color selection visual state
this.eventColorInputs.forEach(radio => {
radio.addEventListener('change', () => {
const swatches = this.eventForm.querySelectorAll('.ec-color-swatches .swatch')
swatches.forEach(s => s.classList.toggle('selected', s.checked))
})
})
this.eventForm.addEventListener('submit', e => {
e.preventDefault()
const data = this.readEventForm()
if (!data.title.trim()) return
if (this._dialogMode === 'create') {
const computed = this.computeDatesFromForm(data)
this.createEvent({
title: data.title.trim(),
startDate: computed.startDate,
endDate: computed.endDate,
colorId: data.colorId,
startTime: data.startTime,
durationMinutes: data.duration
})
this.clearSelection()
} else if (this._dialogMode === 'edit' && this._editingEventId != null) {
const computed = this.computeDatesFromForm(data)
this.applyEventEdit(this._editingEventId, { ...data, ...computed })
}
this.hideEventDialog()
})
this.eventForm.querySelector('[data-action="cancel"]').addEventListener('click', () => {
this.hideEventDialog()
if (this._dialogMode === 'create') this.clearSelection()
})
this.eventModal.addEventListener('click', e => {
if (e.target === this.eventModal) this.hideEventDialog()
})
document.addEventListener('keydown', e => {
if (this.eventModal.hidden) return
if (e.key === 'Escape') {
this.hideEventDialog()
if (this._dialogMode === 'create') this.clearSelection()
}
})
}
showEventDialog(mode, opts = {}) {
this._dialogMode = mode
this._editingEventId = null
if (mode === 'create') {
this.eventTitleInput.value = ''
this.eventStartTimeInput.value = '09:00'
this.eventStartDateInput.value = this.selStart || toLocalString(new Date())
if (this.selStart && this.selEnd) {
const days = daysInclusive(this.selStart, this.selEnd)
this.setDurationValue(days * 1440)
} else {
this.setDurationValue(60)
}
const suggested = this.selectEventColorId(this.selStart, this.selEnd)
this.eventColorInputs.forEach(r => r.checked = Number(r.value) === suggested)
this.updateTimeVisibilityByDuration()
} else if (mode === 'edit') {
const ev = this.getEventById(opts.id)
if (!ev) return
this._editingEventId = ev.id
this.eventTitleInput.value = ev.title || ''
this.eventStartDateInput.value = ev.startDate
if (ev.startDate !== ev.endDate) {
const days = daysInclusive(ev.startDate, ev.endDate)
this.setDurationValue(days * 1440)
} else {
this.setDurationValue(ev.durationMinutes || 60)
}
this.eventStartTimeInput.value = ev.startTime || '09:00'
this.eventColorInputs.forEach(r => r.checked = Number(r.value) === (ev.colorId ?? 0))
this.updateTimeVisibilityByDuration()
}
this.eventModal.hidden = false
setTimeout(() => this.eventTitleInput.focus(), 0)
}
hideEventDialog() {
this.eventModal.hidden = true
}
toggleTimeRow(show) {
if (!this.eventTimeRow) return
this.eventTimeRow.style.display = show ? '' : 'none'
}
updateTimeVisibilityByDuration() {
const minutes = Number(this.eventDurationInput.value || 0)
const isFullDayOrMore = minutes >= 1440
this.toggleTimeRow(!isFullDayOrMore)
}
readEventForm() {
const colorId = Number(this.eventForm.querySelector('input[name="colorId"]:checked')?.value ?? 0)
const timeRowVisible = this.eventTimeRow && this.eventTimeRow.style.display !== 'none'
return {
title: this.eventTitleInput.value,
startDate: this.eventStartDateInput.value,
startTime: timeRowVisible ? (this.eventStartTimeInput.value || '09:00') : null,
duration: timeRowVisible ? Math.max(15, Number(this.eventDurationInput.value) || 60) : null,
colorId
}
}
setDurationValue(minutes) {
const v = String(minutes)
const exists = Array.from(this.eventDurationInput.options).some(o => o.value === v)
if (!exists) {
const opt = document.createElement('option')
opt.value = v
const days = Math.floor(minutes / 1440)
opt.textContent = days >= 1 ? `${days} day${days > 1 ? 's' : ''}` : `${minutes} minutes`
this.eventDurationInput.appendChild(opt)
}
this.eventDurationInput.value = v
}
computeDatesFromForm(data) {
const minutes = Number(this.eventDurationInput.value || 0)
if (minutes >= 1440) {
const days = Math.max(1, Math.floor(minutes / 1440))
return { startDate: data.startDate, endDate: addDaysStr(data.startDate, days - 1) }
}
return { startDate: data.startDate, endDate: data.startDate }
}
// -------- Event Drag & Drop --------
installGlobalEventDragHandlers() {
if (this._installedEventDrag) return
this._installedEventDrag = true
this._onMouseMoveEventDrag = e => this.onEventDragMove(e)
this._onMouseUpEventDrag = e => this.onEventDragEnd(e)
document.addEventListener('mousemove', this._onMouseMoveEventDrag)
document.addEventListener('mouseup', this._onMouseUpEventDrag)
this._onTouchMoveEventDrag = e => this.onEventDragMove(e)
this._onTouchEndEventDrag = e => this.onEventDragEnd(e)
document.addEventListener('touchmove', this._onTouchMoveEventDrag, { passive: false })
document.addEventListener('touchend', this._onTouchEndEventDrag)
this._onPointerMoveEventDrag = e => this.onEventDragMove(e)
this._onPointerUpEventDrag = e => this.onEventDragEnd(e)
this._onPointerCancelEventDrag = e => this.onEventDragEnd(e)
window.addEventListener('pointermove', this._onPointerMoveEventDrag)
window.addEventListener('pointerup', this._onPointerUpEventDrag)
window.addEventListener('pointercancel', this._onPointerCancelEventDrag)
this._onWindowMouseUpEventDrag = e => this.onEventDragEnd(e)
this._onWindowBlurEventDrag = () => this.onEventDragEnd()
window.addEventListener('mouseup', this._onWindowMouseUpEventDrag)
window.addEventListener('blur', this._onWindowBlurEventDrag)
}
removeGlobalEventDragHandlers() {
if (!this._installedEventDrag) return
document.removeEventListener('mousemove', this._onMouseMoveEventDrag)
document.removeEventListener('mouseup', this._onMouseUpEventDrag)
document.removeEventListener('touchmove', this._onTouchMoveEventDrag)
document.removeEventListener('touchend', this._onTouchEndEventDrag)
window.removeEventListener('pointermove', this._onPointerMoveEventDrag)
window.removeEventListener('pointerup', this._onPointerUpEventDrag)
window.removeEventListener('pointercancel', this._onPointerCancelEventDrag)
window.removeEventListener('mouseup', this._onWindowMouseUpEventDrag)
window.removeEventListener('blur', this._onWindowBlurEventDrag)
this._installedEventDrag = false
}
onEventDragMove(e) {
if (!this.dragEventState) return
if (this.dragEventState.usingPointer && !(e && e.type && e.type.startsWith('pointer'))) return
if (e && e.cancelable) e.preventDefault()
const pt = e.touches ? e.touches[0] : e
const hit = pt ? this.calendar.getDateUnderPointer(pt.clientX, pt.clientY) : null
if (hit && hit.date) {
const [s, en] = this.computeTentativeRangeFromPointer(hit.date)
this.dragPreview = { id: this.dragEventState.id, startDate: s, endDate: en }
} else {
this.dragPreview = null
}
this._eventDragMoved = true
this.calendar.forceUpdateVisibleWeeks()
}
onEventDragEnd(e) {
if (!this.dragEventState) return
if (this.dragEventState.usingPointer && e && !(e.type && e.type.startsWith('pointer'))) {
return
}
const st = this.dragEventState
let startDateStr = this.dragPreview?.startDate
let endDateStr = this.dragPreview?.endDate
if (!startDateStr || !endDateStr) {
const getPoint = ev => (ev && ev.changedTouches && ev.changedTouches[0]) ? ev.changedTouches[0] : (ev && ev.touches ? ev.touches[0] : ev)
const pt = getPoint(e)
const drop = pt ? this.calendar.getDateUnderPointer(pt.clientX, pt.clientY) : null
if (drop && drop.date) {
const pair = this.computeTentativeRangeFromPointer(drop.date)
startDateStr = pair[0]
endDateStr = pair[1]
} else {
startDateStr = st.startDate
endDateStr = st.endDate
}
}
const ev = this.getEventById(st.id)
if (ev) {
const updated = { ...ev }
if (st.mode === 'move') {
const spanDays = daysInclusive(ev.startDate, ev.endDate)
updated.startDate = startDateStr
updated.endDate = addDaysStr(startDateStr, spanDays - 1)
} else {
if (startDateStr <= endDateStr) {
updated.startDate = startDateStr
updated.endDate = endDateStr
}
}
let [ns, ne] = this.normalizeDateOrder(updated.startDate, updated.endDate)
updated.startDate = ns
updated.endDate = ne
const multi = daysInclusive(updated.startDate, updated.endDate) > 1
if (multi) {
updated.startTime = null
updated.durationMinutes = null
} else {
if (!updated.startTime) updated.startTime = '09:00'
if (!updated.durationMinutes) updated.durationMinutes = 60
}
this.updateEventDatesAndReindex(ev.id, updated)
}
try {
if (st.usingPointer && st.element && st.element.releasePointerCapture && e && e.pointerId != null) {
st.element.releasePointerCapture(e.pointerId)
}
} catch {}
this.dragEventState = null
this.justDragged = !!this._eventDragMoved
this._eventDragMoved = false
this.removeGlobalEventDragHandlers()
this.calendar.forceUpdateVisibleWeeks()
setTimeout(() => { this.justDragged = false }, 0)
this.dragPreview = null
}
computeTentativeRangeFromPointer(dropDateStr) {
const st = this.dragEventState
if (!st) return [null, null]
const anchorOffset = st.anchorOffset || 0
const spanDays = st.originSpanDays || daysInclusive(st.startDate, st.endDate)
let startStr = st.startDate
let endStr = st.endDate
if (st.mode === 'move') {
startStr = addDaysStr(dropDateStr, -anchorOffset)
endStr = addDaysStr(startStr, spanDays - 1)
} else if (st.mode === 'resize-left') {
startStr = dropDateStr
endStr = st.originalEndDate || st.endDate
} else if (st.mode === 'resize-right') {
startStr = st.originalStartDate || st.startDate
endStr = dropDateStr
}
const [ns, ne] = this.normalizeDateOrder(startStr, endStr)
return [ns, ne]
}
normalizeDateOrder(aStr, bStr) {
if (!aStr) return [bStr, bStr]
if (!bStr) return [aStr, aStr]
return aStr <= bStr ? [aStr, bStr] : [bStr, aStr]
}
}