https://vs-ph-freiburg.de/wp-content/plugins/dans-gcal/js/fullcalendar/gcal.js?ver=6.8.11

1/*!
2 * <%= meta.title %> v<%= meta.version %> Google Calendar Plugin
3 * Docs & License: <%= meta.homepage %>
4 * (c) <%= meta.copyright %>
5 */
6 
7(function(factory) {
8	if (typeof define === 'function' && define.amd) {
9		define([ 'jquery' ], factory);
10	}
11	else if (typeof exports === 'object') { // Node/CommonJS
12		module.exports = factory(require('jquery'));
13	}
14	else {
15		factory(jQuery);
16	}
17})(function($) {
18
19
20var API_BASE = 'https://www.googleapis.com/calendar/v3/calendars';
21var FC = $.fullCalendar;
22var applyAll = FC.applyAll;
23
24
25FC.sourceNormalizers.push(function(sourceOptions) {
26	var googleCalendarId = sourceOptions.googleCalendarId;
27	var url = sourceOptions.url;
28	var match;
29
30	// if the Google Calendar ID hasn't been explicitly defined
31	if (!googleCalendarId && url) {
32
33		// detect if the ID was specified as a single string.
34		// will match calendars like "[email protected]" in addition to person email calendars.
35		if (/^[^\/]+@([^\/\.]+\.)*(google|googlemail|gmail)\.com$/.test(url)) {
36			googleCalendarId = url;
37		}
38		// try to scrape it out of a V1 or V3 API feed URL
39		else if (
40			(match = /^https:\/\/www.googleapis.com\/calendar\/v3\/calendars\/([^\/]*)/.exec(url)) ||
41			(match = /^https?:\/\/www.google.com\/calendar\/feeds\/([^\/]*)/.exec(url))
42		) {
43			googleCalendarId = decodeURIComponent(match[1]);
44		}
45
46		if (googleCalendarId) {
47			sourceOptions.googleCalendarId = googleCalendarId;
48		}
49	}
50
51
52	if (googleCalendarId) { // is this a Google Calendar?
53
54		// make each Google Calendar source uneditable by default
55		if (sourceOptions.editable == null) {
56			sourceOptions.editable = false;
57		}
58
59		// We want removeEventSource to work, but it won't know about the googleCalendarId primitive.
60		// Shoehorn it into the url, which will function as the unique primitive. Won't cause side effects.
61		// This hack is obsolete since 2.2.3, but keep it so this plugin file is compatible with old versions.
62		sourceOptions.url = googleCalendarId;
63	}
64});
65
66
67FC.sourceFetchers.push(function(sourceOptions, start, end, timezone) {
68	if (sourceOptions.googleCalendarId) {
69		return transformOptions(sourceOptions, start, end, timezone, this); // `this` is the calendar
70	}
71});
72
73
74function transformOptions(sourceOptions, start, end, timezone, calendar) {
75	var url = API_BASE + '/' + encodeURIComponent(sourceOptions.googleCalendarId) + '/events?callback=?'; // jsonp
76	var apiKey = sourceOptions.googleCalendarApiKey || calendar.options.googleCalendarApiKey;
77	var success = sourceOptions.success;
78	var data;
79	var timezoneArg; // populated when a specific timezone. escaped to Google's liking
80
81	function reportError(message, apiErrorObjs) {
82		var errorObjs = apiErrorObjs || [ { message: message } ]; // to be passed into error handlers
83
84		// call error handlers
85		(sourceOptions.googleCalendarError || $.noop).apply(calendar, errorObjs);
86		(calendar.options.googleCalendarError || $.noop).apply(calendar, errorObjs);
87
88		// print error to debug console
89		FC.warn.apply(null, [ message ].concat(apiErrorObjs || []));
90	}
91
92	if (!apiKey) {
93		reportError("Specify a googleCalendarApiKey. See http://fullcalendar.io/docs/google_calendar/");
94		return {}; // an empty source to use instead. won't fetch anything.
95	}
96
97	// The API expects an ISO8601 datetime with a time and timezone part.
98	// Since the calendar's timezone offset isn't always known, request the date in UTC and pad it by a day on each
99	// side, guaranteeing we will receive all events in the desired range, albeit a superset.
100	// .utc() will set a zone and give it a 00:00:00 time.
101	if (!start.hasZone()) {
102		start = start.clone().utc().add(-1, 'day');
103	}
104	if (!end.hasZone()) {
105		end = end.clone().utc().add(1, 'day');
106	}
107
108	// when sending timezone names to Google, only accepts underscores, not spaces
109	if (timezone && timezone != 'local') {
110		timezoneArg = timezone.replace(' ', '_');
111	}
112
113	data = $.extend({}, sourceOptions.data || {}, {
114		key: apiKey,
115		timeMin: start.format(),
116		timeMax: end.format(),
117		timeZone: timezoneArg,
118		singleEvents: true,
119		maxResults: 9999
120	});
121
122	return $.extend({}, sourceOptions, {
123		googleCalendarId: null, // prevents source-normalizing from happening again
124		url: url,
125		data: data,
126		startParam: false, // `false` omits this parameter. we already included it above
127		endParam: false, // same
128		timezoneParam: false, // same
129		success: function(data) {
130			var events = [];
131			var successArgs;
132			var successRes;
133
134			if (data.error) {
135				reportError('Google Calendar API: ' + data.error.message, data.error.errors);
136			}
137			else if (data.items) {
138				$.each(data.items, function(i, entry) {
139					var url = entry.htmlLink || null;
140
141					// make the URLs for each event show times in the correct timezone
142					if (timezoneArg && url !== null) {
143						url = injectQsComponent(url, 'ctz=' + timezoneArg);
144					}
145
146					events.push({
147						id: entry.id,
148						title: entry.summary,
149						start: entry.start.dateTime || entry.start.date, // try timed. will fall back to all-day
150						end: entry.end.dateTime || entry.end.date, // same
151						url: url,
152						location: entry.location,
153						description: entry.description
154					});
155				});
156
157				// call the success handler(s) and allow it to return a new events array
158				successArgs = [ events ].concat(Array.prototype.slice.call(arguments, 1)); // forward other jq args
159				successRes = applyAll(success, this, successArgs);
160				if ($.isArray(successRes)) {
161					return successRes;
162				}
163			}
164
165			return events;
166		}
167	});
168}
169
170
171// Injects a string like "arg=value" into the querystring of a URL
172function injectQsComponent(url, component) {
173	// inject it after the querystring but before the fragment
174	return url.replace(/(\?.*?)?(#|$)/, function(whole, qs, hash) {
175		return (qs ? qs + '&' : '?') + component + hash;
176	});
177}
178
179
180});