/*jslint esversion: 6*/
/**
* This class contains Stud.IP specific code for the fullcalendar package.
*/
import { Calendar } from '@fullcalendar/core';
import deLocale from '@fullcalendar/core/locales/de';
import enLocale from '@fullcalendar/core/locales/en-gb';
import interactionPlugin from '@fullcalendar/interaction';
import { Draggable } from '@fullcalendar/interaction';
import dayGridPlugin from '@fullcalendar/daygrid';
import timeGridPlugin from '@fullcalendar/timegrid';
import resourceCommonPlugin from '@fullcalendar/resource-common';
import resourceTimeGridPlugin from '@fullcalendar/resource-timegrid';
import resourceTimelinePlugin from '@fullcalendar/resource-timeline';
import jsPDF from 'jspdf-yworks';
import html2canvas from 'html2canvas';
Date.prototype.getWeekNumber = function () {
var d = new Date(Date.UTC(this.getFullYear(), this.getMonth(), this.getDate()));
var dayNum = d.getUTCDay() || 7;
d.setUTCDate(d.getUTCDate() + 4 - dayNum);
var yearStart = new Date(Date.UTC(d.getUTCFullYear(),0,1));
return Math.ceil((((d - yearStart) / 86400000) + 1)/7);
};
function pad(what, length = 2, char = '0') {
let padding = new Array(length + 1).join(char);
return `${padding}${what}`.substr(-length);
}
class Fullcalendar
{
/**
* The initialisation method. It loads the JS files for fullcalendar
* in case they are not loaded and sets up a fullcalendar instance
* for the nodes specified in the parameter node.
*
* @param DOMElement|string node The node which shall have a full calendar.
* This must either be a DOMElement or a string
* containing a CSS selector.
*/
static init(node, fullcalendar_options = null)
{
// Convert css selector to actual dom element
node = $(node)[0];
if (!node) {
//We need a CSS selector or a node!
return;
}
if (document.getElementById('external-events')) {
new Draggable(document.getElementById('external-events'), {
itemSelector: '.fc-event',
eventData (eventEl) {
return {
title: eventEl.dataset.eventTitle,
duration: eventEl.dataset.eventDuration,
course_id: eventEl.dataset.eventCourse,
tooltip: eventEl.dataset.eventTooltip,
studip_api_urls: {drop: eventEl.dataset.eventDropUrl},
studip_view_urls: {edit: eventEl.dataset.eventDetailsUrl}
};
}
});
}
var calendar = new Calendar(node, fullcalendar_options);
node.calendar = calendar;
calendar.render();
return calendar;
}
/**
* Converts semester events to the default fullcalendar event format.
* The begin and end date are converted to fit into the current week.
*/
static convertSemesterEvents(event_data, fake_week_start = Date())
{
if (!event_data) {
return {};
}
var start = String(event_data.start).split('T');
var end = String(event_data.end).split('T');
//start and end must be transformed to the current week.
//Therefore, we need the ISO weekdays for begin and end.
var fake_start = new Date(fake_week_start);
fake_start.setHours(12);
fake_start.setMinutes(0);
fake_start.setSeconds(0);
var fake_end = new Date(fake_week_start);
fake_end.setHours(12);
fake_end.setMinutes(0);
fake_end.setSeconds(0);
//Calculcate the week day of the current week for the event
//from the current day and convert sunday to ISO format
var start_day_diff = fake_start.getDay() || 7;
var end_day_diff = fake_end.getDay() || 7;
start_day_diff = start_day_diff - event_data.studip_weekday_begin;
end_day_diff = end_day_diff - event_data.studip_weekday_end;
fake_start = new Date(
fake_start.getTime() - start_day_diff * 24 * 60 * 60 * 1000
);
fake_end = new Date(
fake_end.getTime() - end_day_diff * 24 * 60 * 60 * 1000
);
//Output the modified begin and end date in the correct ISO format:
event_data.start =`${fake_start.getFullYear()}-${pad(fake_start.getMonth() + 1)}-${pad(fake_start.getDate())}T${start[1]}`;
event_data.end = `${fake_end.getFullYear()}-${pad(fake_end.getMonth() + 1)}-${pad(fake_end.getDate())}T${end[1]}`;
return event_data;
}
static createSemesterCalendarFromNode(node, additional_config = {})
{
if (!node) {
//Ain't no fullcalendar when the node's gone!
return;
}
var config = $.extend(
{},
$(node).data('config') || {},
additional_config
);
if (Array.isArray(config.eventSources)) {
config.eventSources = config.eventSources.map((s) => {
if (s.hasOwnProperty('url')) {
return s;
}
});
}
return this.createFromNode(node, config);
}
static defaultResizeEventHandler(info)
{
if (!info.event.durationEditable || !info.view.viewSpec.options.editable) {
//Read-only events cannot be resized!
info.revert();
return;
}
if (info.event.extendedProps.studip_api_urls.resize) {
$.post({
url: info.event.extendedProps.studip_api_urls.resize,
async: false,
data: {
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(info.event.end)
}
}).fail(info.revert);
}
}
static downloadPDF(format = 'landscape', withWeekend = false)
{
$('*[data-fullcalendar="1"]').each(function () {
if (this.calendar != undefined) {
$(this).addClass('print-view').toggleClass('without-weekend', !withWeekend);
var title = $(this).data('title');
let print_title = $('<h1>').text(title).prependTo(this);
window.scrollTo(0, 0);
html2canvas(this).then(canvas => {
var imgData = canvas.toDataURL('image/jpeg');
var pdf = new jsPDF({
orientation: format === 'landscape' ? 'landscape' : 'portrait'
});
if (format === 'landscape') {
pdf.addImage(imgData, 'JPEG', 20, 20, 250, 250, 'i1', 'NONE', 0);
} else {
pdf.addImage(imgData, 'JPEG', 25, 20, 160, 190, 'i1', 'NONE', 0);
}
pdf.save(title + '.pdf');
});
print_title.remove();
$(this).removeClass('print-view without-weekend');
}
});
}
static toRFC3339String(date)
{
var timezone_offset_min = date.getTimezoneOffset();
var offset_hrs = parseInt(Math.abs(timezone_offset_min / 60), 10);
var offset_min = Math.abs(timezone_offset_min%60);
var timezone_standard;
offset_hrs = pad(offset_hrs);
offset_min = pad(offset_min);
// Add an opposite sign to the offset
// If offset is 0, it means timezone is UTC
if (timezone_offset_min < 0) {
timezone_standard = `+${offset_hrs}:${offset_min}`;
} else if (timezone_offset_min > 0) {
timezone_standard = `-${offset_hrs}:${offset_min}`;
} else {
timezone_standard = '+00:00';
}
var current_date = pad(date.getDate());
var current_month = pad(date.getMonth() + 1);
var current_year = date.getFullYear();
var current_hrs = pad(date.getHours());
var current_mins = pad(date.getMinutes());
var current_secs = pad(date.getSeconds());
var current_datetime;
// Current datetime
// String such as 2016-07-16T19:20:30
current_datetime = `${current_year}-${current_month}-${current_date}T${current_hrs}:${current_mins}:${current_secs}`;
return current_datetime + timezone_standard;
}
static defaultDropEventHandler(info)
{
// The logic from fullcalendar is inversed here:
// If the calendar isn't editable, the event isn't either.
if (!info.event.startEditable || !info.view.viewSpec.options.editable) {
//Read-only events cannot be dragged and dropped!
info.revert();
return;
}
var drop_resource_id = info.newResource ? info.newResource.id : info.event.extendedProps.studip_range_id;
if (info.event.extendedProps.studip_api_urls.move) {
if (info.event.allDay) {
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.move,
data: {
resource_id: drop_resource_id,
begin: this.toRFC3339String(info.event.start.setHours(0,0,0)),
end: this.toRFC3339String(info.event.start.setHours(23,59,59))
}
}).fail(info.revert);
} else if (info.event.end === null) {
var real_end = new Date();
real_end.setTime(info.event.start.getTime());
real_end.setHours(info.event.start.getHours()+2);
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.move,
data: {
resource_id: drop_resource_id,
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(real_end)
}
}).fail(info.revert);
} else {
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.move,
data: {
resource_id: drop_resource_id,
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(info.event.end)
}
}).fail(info.revert);
}
}
}
static institutePlanDropEventHandler(info)
{
//The logic from fullcalendar is inversed here:
if (info.newResource) {
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.move,
data: {
cycle_id: info.event.id,
resource_id: info.newResource.id,
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(info.event.end)
}
}).fail(info.revert);
} else {
//If the calendar isn't editable, the event isn't either.
if (!info.event.startEditable || !info.view.viewSpec.options.editable) {
//Read-only events cannot be dragged and dropped!
info.revert();
return;
}
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.move,
data: {
cycle_id: info.event.id,
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(info.event.end)
}
}).fail(info.revert);
}
}
static institutePlanExternalDropEventHandler(info)
{
var resourceIds = info.event.getResources().map(resource => resource.id);
$.post({
async: false,
url: info.event.extendedProps.studip_api_urls.drop,
data: {
course_id: info.event.extendedProps.course_id,
begin: this.toRFC3339String(info.event.start),
end: this.toRFC3339String(info.event.end),
resource_id: resourceIds[0]
}
}).done(data => {
if (data) {
info.view.context.calendar.addEvent(JSON.parse(data));
info.event.remove();
}
});
}
static createFromNode(node, additional_config = {})
{
if (!node) {
//No node? No fullcalendar!
return;
}
var config = $(node).data('config');
//Make sure the default values are set, if they are not found
//in the additional_config object:
config = $.extend({
plugins: [ interactionPlugin, dayGridPlugin, timeGridPlugin, resourceCommonPlugin, resourceTimeGridPlugin, resourceTimelinePlugin ],
schedulerLicenseKey: 'GPL-My-Project-Is-Open-Source',
defaultView: 'timeGridWeek',
header: {
left: 'dayGridMonth,timeGridWeek,timeGridDay'
},
minTime: '08:00:00',
maxTime: '20:00:00',
height: 'auto',
contentHeight: 'auto',
firstDay: 1,
weekNumberCalculation: 'ISO',
locales: [enLocale, deLocale ],
locale: String.locale === 'de-DE' ? 'de' : 'en-gb',
timeFormat: 'H:mm',
nowIndicator: true,
timeZone: 'local',
studip_functions: [],
resourceAreaWidth: '20%',
select (selectionInfo) {
if (!selectionInfo.view.viewSpec.options.editable || !selectionInfo.view.viewSpec.options.studip_urls) {
//The calendar isn't editable.
return;
}
if (selectionInfo.view.viewSpec.options.studip_urls.add) {
if (selectionInfo.resource) {
STUDIP.Dialog.fromURL( selectionInfo.view.viewSpec.options.studip_urls.add, {
data: {
begin: selectionInfo.start.getTime()/1000,
end: selectionInfo.end.getTime()/1000,
ressource_id: selectionInfo.resource.id
}
});
} else {
STUDIP.Dialog.fromURL(selectionInfo.view.viewSpec.options.studip_urls.add, {
data: {
begin: selectionInfo.start.getTime()/1000,
end: selectionInfo.end.getTime()/1000
}
});
}
}
},
eventClick (eventClickInfo) {
var event = eventClickInfo.event;
var extended_props = event.extendedProps;
if ($(eventClickInfo.jsEvent.target).hasClass('event-colorpicker')) {
STUDIP.Dialog.fromURL(
STUDIP.URLHelper.getURL('dispatch.php/admin/courseplanning/pick_color/' + extended_props.metadate_id + '/' + config.actionCalled),
{'size': '400x400'}
);
return false;
}
if ($(eventClickInfo.event._calendar.el).hasClass('request-plan')) {
if (extended_props.request_id && extended_props.studip_view_urls.edit) {
STUDIP.Dialog.fromURL(
STUDIP.URLHelper.getURL(extended_props.studip_view_urls.edit)
);
} else if(extended_props.studip_parent_object_class == 'ResourceBooking' && $.inArray('for-course', event._def.ui.classNames) != -1) {
STUDIP.Dialog.fromURL(
STUDIP.URLHelper.getURL('dispatch.php/resources/room_request/request_booking/' + extended_props.studip_parent_object_id)
);
}
return false;
}
if (extended_props.studip_view_urls === undefined) {
return;
}
if (!event.startEditable && extended_props.studip_view_urls.show) {
STUDIP.Dialog.fromURL(
STUDIP.URLHelper.getURL(extended_props.studip_view_urls.show)
);
} else if (event.startEditable && extended_props.studip_view_urls.edit) {
STUDIP.Dialog.fromURL(
STUDIP.URLHelper.getURL(extended_props.studip_view_urls.edit),
{'size': 'big'}
);
}
return false;
},
eventResize (info) {
// The logic from fullcalendar is inversed here:
// If the calendar isn't editable, the event isn't either.
if (info.view.viewSpec.options.studip_functions.resize_event) {
info.view.viewSpec.options.studip_functions.resize_event(info);
} else {
STUDIP.Fullcalendar.defaultResizeEventHandler(info);
}
info.event.source.refetch();
},
eventDrop (info) {
if ($(info.view.context.calendar.el).hasClass('institute-plan')) {
var start = info.event.start;
var cal_start = info.view.activeStart;
if ((start.getHours() - cal_start.getHours()) % 2 === 1) {
info.event.moveDates('-01:00');
}
STUDIP.Fullcalendar.institutePlanDropEventHandler(info);
} else {
if (info.view.viewSpec.options.studip_functions.drop_event) {
info.view.viewSpec.options.studip_functions.drop_event(info);
} else {
STUDIP.Fullcalendar.defaultDropEventHandler(info);
}
info.event.source.refetch();
}
},
eventRender (info) {
var event = info.event;
var eventElement = info.el;
var iconColor = event.textColor == '#000000' ? 'black' : 'white';
if ($(info.view.context.calendar.el).hasClass('institute-plan')) {
$(eventElement).attr('title', event.extendedProps.tooltip);
$(eventElement).find('.fc-title').html(
$('<div>').css({
width: 'calc(100% - 21px)',
height: '100%',
wordBreak: 'break-word'
}).text(eventElement.text)
);
$(eventElement).find('.fc-title').append(
$('<button class="event-colorpicker">').addClass(iconColor)
);
} else {
$(eventElement).attr('title', event.title);
}
if (event.extendedProps.icon) {
$(eventElement).find('.fc-title').prepend(
$('<img>').attr('src', `${STUDIP.ASSETS_URL}images/icons/${iconColor}/${event.extendedProps.icon}.svg`)
.css({
verticalAlign: 'text-bottom',
marginRight: '3px',
width: 14,
height: 14
})
);
}
},
eventSourceSuccess: function(content, xhr) {
if ($(node).hasClass('semester-plan')) {
$(content).each(function(i, event_data){
STUDIP.Fullcalendar.convertSemesterEvents(event_data, config.defaultDate);
});
}
return content;
},
loading (isLoading) {
if (isLoading) {
if (!$('#loading-spinner').length) {
jQuery('#layout_content').append(
$('<div id="loading-spinner" style="position: absolute; top: calc(50% - 55px); left: calc(50% + 135px); z-index: 9001;">').html(
$('<img>').attr('src', STUDIP.ASSETS_URL + 'images/ajax-indicator-black.svg')
.css({
width: 64,
height: 64
})
)
);
}
} else {
$('#loading-spinner').remove();
this.updateSize();
}
},
datesRender (info) {
var activeRange = info.view.props.dateProfile.activeRange;
var start = activeRange.start;
var end = activeRange.end;
if ($(info.el).hasClass('institute-plan')) {
$('.fc-slats tr:odd .fc-widget-content:not(.fc-axis)').remove();
}
if ($('.booking-plan-header').length) {
end.setDate(end.getDate());
var sem_start = $('.booking-plan-header').data('semester-begin');
var sem_end = $('.booking-plan-header').data('semester-end');
if (sem_start && (start.getTime() / 1000 < sem_start || start.getTime() / 1000 > sem_end)) {
sem_start = null;
sem_end = null;
} else if(sem_start) {
var sem_week = Math.floor((end.getTime() / 1000 - 10800 - sem_start) / (7 * 24 * 60 * 60)) + 1;
$("#booking-plan-header-semweek-part").text("Vorlesungswoche".toLocaleString());
$('#booking-plan-header-semweek').text(sem_week);
}
$('#booking-plan-header-calweek').text(start.getWeekNumber());
$('#booking-plan-header-calbegin').text(start.toLocaleDateString('de-DE', {weekday: 'short'}) + ' ' + start.toLocaleDateString('de-DE'));
$('#booking-plan-header-calend').text(end.toLocaleDateString('de-DE', {weekday: 'short'}) + ' ' + end.toLocaleDateString('de-DE'));
if (!sem_start || !sem_end) {
STUDIP.Resources.updateBookingPlanSemesterByView(activeRange);
}
}
},
resourceRender (renderInfo) {
if ($(renderInfo.view.context.calendar.el).hasClass('room-group-booking-plan')) {
var action = $(renderInfo.view.context.calendar.el).hasClass('semester-plan') ? 'semester' : 'booking';
var url = STUDIP.URLHelper.getURL(`dispatch.php/resources/room_planning/${action}_plan/${renderInfo.resource.id}`);
$(renderInfo.el).find('.fc-cell-text').html(
$('<a>').attr('href', url).text(renderInfo.el.innerText)
);
} else if ($("*[data-fullcalendar='1']").hasClass('institute-plan') && renderInfo.resource.id > 0) {
var icon = '<img class="text-bottom icon-role-clickable icon-shape-edit" width="16" height="16" src="' + STUDIP.URLHelper.getURL('assets/images/icons/blue/edit.svg') + '" alt="edit">';
$(renderInfo.el).append(
'<a href="'
+ STUDIP.URLHelper.getURL('dispatch.php/admin/courseplanning/rename_column/'
+ renderInfo.resource.id
+'/'
+ renderInfo.view.activeStart.getDay())
+ '" data-dialog="size=auto"> '
+ icon
+ '</a>'
);
}
},
drop (dropInfo) {
$(dropInfo.draggedEl).remove();
},
eventReceive (info) {
if ($(info.view.context.calendar.el).hasClass('institute-plan')) {
STUDIP.Fullcalendar.institutePlanExternalDropEventHandler(info);
}
}
}, config);
//Special treatment: If a general column header format is set,
//in the configuration, it shall be used for all columns in all views
//by using a special columnHeaderHtml function.
if (config.columnHeaderFormat) {
config.columnHeaderHtml = function (date) {
if ($("*[data-fullcalendar='1']").hasClass('institute-plan')) {
return '<a href="' + STUDIP.URLHelper.getURL('dispatch.php/admin/courseplanning/weekday/' + date.getDay()) + '">' + date.toLocaleDateString('de-DE', config.columnHeaderFormat) + '</a>';
} else {
return date.toLocaleDateString('de-DE', config.columnHeaderFormat);
}
};
}
config = $.extend({}, config, additional_config);
return this.init(node, config);
}
}
export default Fullcalendar;