feat: Custom Calendar Toolbar
Add Custom Calendar Toolbar
This commit is contained in:
parent
1d721874b2
commit
675a5fa5ff
2 changed files with 357 additions and 0 deletions
218
src/components/custom-toolbar.tsx
Normal file
218
src/components/custom-toolbar.tsx
Normal file
|
|
@ -0,0 +1,218 @@
|
|||
import React, { useState, useEffect } from 'react';
|
||||
import { format } from 'date-fns';
|
||||
import './custom-toolbar.css';
|
||||
|
||||
interface CustomToolbarProps {
|
||||
// Das aktuell angezeigte Datum (wird z. B. von der Calendar-Komponente geliefert)
|
||||
date: Date;
|
||||
// Aktuelle Ansicht: "month", "week", "day" oder "agenda"
|
||||
view: 'month' | 'week' | 'day' | 'agenda';
|
||||
/**
|
||||
* onNavigate ermöglicht das Wechseln des angezeigten Datums.
|
||||
* Action kann bspw. 'TODAY' oder 'SET_DATE' sein; newDate wird übergeben, wenn benötigt.
|
||||
*/
|
||||
onNavigate: (action: string, newDate?: Date) => void;
|
||||
// onView wechselt die Ansicht
|
||||
onView: (newView: 'month' | 'week' | 'day' | 'agenda') => void;
|
||||
}
|
||||
|
||||
const CustomToolbar: React.FC<CustomToolbarProps> = ({ date, view, onNavigate, onView }) => {
|
||||
|
||||
// Hilfsfunktion, um die ISO-Wochennummer eines Datums zu ermitteln
|
||||
const getISOWeek = (date: Date): number => {
|
||||
const tmp = new Date(date.getTime());
|
||||
// Verschiebe das Datum so, dass der nächste Donnerstag erreicht wird (ISO: Woche beginnt am Montag)
|
||||
tmp.setDate(tmp.getDate() + 4 - (tmp.getDay() || 7));
|
||||
const yearStart = new Date(tmp.getFullYear(), 0, 1);
|
||||
const weekNo = Math.ceil((((tmp.getTime() - yearStart.getTime()) / 86400000) + 1) / 7);
|
||||
return weekNo;
|
||||
};
|
||||
|
||||
// Neue Funktion: Ermittelt das ISO-Wochenjahr eines Datums.
|
||||
// Das ISO-Wochenjahr entspricht dem Jahr des Donnerstags in dieser Woche.
|
||||
const getISOWeekYear = (date: Date): number => {
|
||||
const tmp = new Date(date.getTime());
|
||||
tmp.setDate(tmp.getDate() + 4 - (tmp.getDay() || 7));
|
||||
return tmp.getFullYear();
|
||||
};
|
||||
|
||||
// Ermittelt die Anzahl der ISO-Wochen im Jahr
|
||||
const getISOWeeksInYear = (year: number): number => {
|
||||
const d = new Date(year, 11, 31);
|
||||
const week = getISOWeek(d);
|
||||
return week === 1 ? getISOWeek(new Date(year, 11, 24)) : week;
|
||||
};
|
||||
|
||||
/*
|
||||
Berechnet den Montag der gewünschten ISO-Woche eines Jahres.
|
||||
Wir ermitteln zunächst den ersten Montag der ersten ISO-Woche und addieren dann (week - 1) * 7 Tage.
|
||||
*/
|
||||
const getDateOfISOWeek = (week: number, year: number): Date => {
|
||||
const jan1 = new Date(year, 0, 1);
|
||||
const dayOfWeek = jan1.getDay();
|
||||
const isoDayOfWeek = dayOfWeek === 0 ? 7 : dayOfWeek;
|
||||
let firstMonday: Date;
|
||||
if (isoDayOfWeek <= 4) {
|
||||
// Jan 1 gehört zur ersten ISO-Woche – bestimme den Montag dieser Woche
|
||||
firstMonday = new Date(year, 0, 1 - isoDayOfWeek + 1);
|
||||
} else {
|
||||
// Andernfalls liegt der erste Montag in der darauffolgenden Woche
|
||||
firstMonday = new Date(year, 0, 1 + (8 - isoDayOfWeek));
|
||||
}
|
||||
firstMonday.setDate(firstMonday.getDate() + (week - 1) * 7);
|
||||
return firstMonday;
|
||||
};
|
||||
|
||||
// Lokaler State für Woche und ISO-Wochenjahr (statt des reinen Kalenderjahrs)
|
||||
const [selectedWeek, setSelectedWeek] = useState<number>(getISOWeek(date));
|
||||
const [selectedYear, setSelectedYear] = useState<number>(getISOWeekYear(date));
|
||||
|
||||
// Aktualisiere die Auswahl, wenn sich die Prop "date" ändert
|
||||
useEffect(() => {
|
||||
setSelectedWeek(getISOWeek(date));
|
||||
setSelectedYear(getISOWeekYear(date));
|
||||
}, [date]);
|
||||
|
||||
// Für die Dropdown-Liste der Wochen: Liste von 1 bis totalWeeks
|
||||
const totalWeeks = getISOWeeksInYear(selectedYear);
|
||||
const weekOptions = Array.from({ length: totalWeeks }, (_, i) => i + 1);
|
||||
|
||||
// Beispielhafte Jahresliste: aktuelles ISO-Wochenjahr ± 10
|
||||
const yearOptions = Array.from({ length: 21 }, (_, i) => selectedYear - 10 + i);
|
||||
|
||||
// Berechne den Start (Montag) und das Ende (Sonntag) der aktuell angezeigten Woche
|
||||
const weekStartDate = getDateOfISOWeek(selectedWeek, selectedYear);
|
||||
const weekEndDate = new Date(weekStartDate);
|
||||
weekEndDate.setDate(weekStartDate.getDate() + 6);
|
||||
|
||||
// Ermittele Monat und Jahr von Start- und Enddatum (normales Kalenderjahr)
|
||||
const monthStart = format(weekStartDate, 'MMMM');
|
||||
const monthEnd = format(weekEndDate, 'MMMM');
|
||||
const yearAtStart = format(weekStartDate, 'yyyy');
|
||||
const yearAtEnd = format(weekEndDate, 'yyyy');
|
||||
|
||||
// Erstelle das Label:
|
||||
// 1. Falls der Wochenanfang und das Wochenende in unterschiedlichen Jahren liegen,
|
||||
// wird z. B. "Dezember 2025 - Januar 2026" angezeigt.
|
||||
// 2. Liegen beide im gleichen Jahr, wird unterschieden zwischen gleichem Monat und unterschiedlichem Monat.
|
||||
let dateLabel: string;
|
||||
if (yearAtStart !== yearAtEnd) {
|
||||
dateLabel = `${monthStart} ${yearAtStart} - ${monthEnd} ${yearAtEnd}`;
|
||||
} else if (monthStart !== monthEnd) {
|
||||
dateLabel = `${monthStart} - ${monthEnd} ${yearAtStart}`;
|
||||
} else {
|
||||
dateLabel = `${monthStart} ${yearAtStart}`;
|
||||
}
|
||||
|
||||
// Handler zum Wechseln der Ansicht
|
||||
const handleViewChange = (newView: 'month' | 'week' | 'day' | 'agenda') => {
|
||||
onView(newView);
|
||||
};
|
||||
|
||||
// "Today"-Button: setzt das Datum auf das heutige Datum (unter Verwendung des ISO-Wochenjahrs)
|
||||
const handleToday = () => {
|
||||
const today = new Date();
|
||||
setSelectedWeek(getISOWeek(today));
|
||||
setSelectedYear(getISOWeekYear(today));
|
||||
onNavigate('TODAY', today);
|
||||
};
|
||||
|
||||
// Wechselt zur vorherigen Woche. Bei Woche < 1, wird ins Vorjahr gewechselt.
|
||||
const handlePrevWeek = () => {
|
||||
let newWeek = selectedWeek - 1;
|
||||
let newYear = selectedYear;
|
||||
if (newWeek < 1) {
|
||||
newYear = selectedYear - 1;
|
||||
newWeek = getISOWeeksInYear(newYear);
|
||||
}
|
||||
setSelectedWeek(newWeek);
|
||||
setSelectedYear(newYear);
|
||||
const newDate = getDateOfISOWeek(newWeek, newYear);
|
||||
onNavigate('SET_DATE', newDate);
|
||||
};
|
||||
|
||||
// Wechselt zur nächsten Woche. Überschreitet die Woche die maximale Zahl, wechselt ins nächste Jahr.
|
||||
const handleNextWeek = () => {
|
||||
let newWeek = selectedWeek + 1;
|
||||
let newYear = selectedYear;
|
||||
if (newWeek > getISOWeeksInYear(selectedYear)) {
|
||||
newYear = selectedYear + 1;
|
||||
newWeek = 1;
|
||||
}
|
||||
setSelectedWeek(newWeek);
|
||||
setSelectedYear(newYear);
|
||||
const newDate = getDateOfISOWeek(newWeek, newYear);
|
||||
onNavigate('SET_DATE', newDate);
|
||||
};
|
||||
|
||||
// Handler, wenn der Nutzer über das Dropdown eine Woche auswählt
|
||||
const handleWeekChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
|
||||
const newWeek = parseInt(event.target.value, 10);
|
||||
setSelectedWeek(newWeek);
|
||||
const newDate = getDateOfISOWeek(newWeek, selectedYear);
|
||||
onNavigate('SET_DATE', newDate);
|
||||
};
|
||||
|
||||
// Handler, wenn der Nutzer über das Dropdown ein Jahr auswählt
|
||||
const handleYearChange = (event: React.ChangeEvent<HTMLSelectElement>) => {
|
||||
const newYear = parseInt(event.target.value, 10);
|
||||
setSelectedYear(newYear);
|
||||
const totalWeeksInNewYear = getISOWeeksInYear(newYear);
|
||||
const newWeek = Math.min(selectedWeek, totalWeeksInNewYear);
|
||||
setSelectedWeek(newWeek);
|
||||
const newDate = getDateOfISOWeek(newWeek, newYear);
|
||||
onNavigate('SET_DATE', newDate);
|
||||
};
|
||||
|
||||
return (
|
||||
<div className="custom-toolbar" style={{ display: 'flex', flexDirection: 'initial', gap: '8px' }}>
|
||||
{/* Anzeige des Datums-Labels */}
|
||||
<div className="current-date" style={{ fontWeight: 'bold' }}>
|
||||
{dateLabel}
|
||||
</div>
|
||||
|
||||
{/* Ansicht wechseln */}
|
||||
<div className='view-change'>
|
||||
<div className="view-switcher" style={{ display: 'flex', gap: '8px' }}>
|
||||
<button disabled={view === 'month'} onClick={() => handleViewChange('month')}>Month</button>
|
||||
<button disabled={view === 'week'} onClick={() => handleViewChange('week')}>Week</button>
|
||||
<button disabled={view === 'day'} onClick={() => handleViewChange('day')}>Day</button>
|
||||
<button disabled={view === 'agenda'} onClick={() => handleViewChange('agenda')}>Agenda</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
<div className="right-section" style={{ display: 'flex', flexDirection: 'initial', gap: '8px' }}>
|
||||
{/* Navigationsbuttons */}
|
||||
<div className="navigation-controls" style={{ display: 'flex', gap: '8px' }}>
|
||||
<div className="handleWeek">
|
||||
<button onClick={handlePrevWeek}><</button>
|
||||
<button onClick={handleNextWeek}>></button>
|
||||
</div>
|
||||
<div className="today">
|
||||
<button onClick={handleToday}>Today</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* DropDowns für Woche und Jahr */}
|
||||
<div className="dropdowns" style={{ display: 'flex', gap: '8px' }}>
|
||||
<select value={selectedWeek} onChange={handleWeekChange}>
|
||||
{weekOptions.map((week) => (
|
||||
<option key={week} value={week}>
|
||||
Week {week}
|
||||
</option>
|
||||
))}
|
||||
</select>
|
||||
<select value={selectedYear} onChange={handleYearChange}>
|
||||
{yearOptions.map((year) => (
|
||||
<option key={year} value={year}>
|
||||
{year}
|
||||
</option>
|
||||
))}
|
||||
</select>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomToolbar;
|
||||
Loading…
Add table
Add a link
Reference in a new issue