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// Setup Stud.IP's own datepicker extensions
export default {
selector: '.has-date-picker,[data-date-picker]',
// Initialize all datepickers that not yet been initialized (e.g. in dialogs)
init: function () {
$(this.selector).filter(function () {
return $(this).data('date-picker-init') === undefined;
}).each(function () {
$(this).data('date-picker-init', true).datepicker();
});
},
// Apply registered handlers. Take care: This happens upon before a
// picker is shown as well as after a date has been selected.
refresh: function () {
$(this.selector).each(function () {
var element = this,
options = $(element).data().datePicker;
if (options) {
$.each(options, function (key, value) {
if (this.dataHandlers[key] !== undefined) {
this.dataHandlers[key].call(element, value);
}
});
}
});
},
// Define handlers for any data-datepicker option
dataHandlers: {
// Ensure this date is not later (<=) than another date by setting
// the maximum allowed date the other date.
// This will also set this date to the maximum allowed date if it
// currently later than the allowed maximum date.
'<='(selector, offset) {
var this_date = $(this).datepicker('getDate'),
max_date = null,
temp,
adjustment = 0;
if ($(this).data().datePicker.offset) {
temp = $(this).data().datePicker.offset;
adjustment = parseInt($(temp).val(), 10);
}
// Get max date by either actual dates or maxDate options on
// all matching elements
if (selector === 'today') {
max_date = new Date();
} else {
$(selector).each(function () {
var date = $(this).datepicker('getDate') || $(this).datepicker('option', 'maxDate');
if (date && (!max_date || date < max_date)) {
max_date = new Date(date);
}
});
}
// Set max date and adjust current date if neccessary
if (max_date) {
max_date.setTime(max_date.getTime() - (offset || 0) * 24 * 60 * 60 * 1000);
temp = new Date(max_date);
temp.setDate(temp.getDate() - adjustment);
if (this_date && this_date > max_date) {
$(this).datepicker('setDate', temp);
}
$(this).datepicker('option', 'maxDate', max_date);
} else {
$(this).datepicker('option', 'maxDate', null);
}
},
// Ensure this date is earlier (<) than another date by setting the
// maximum allowed date to the other date - 1 day.
// This will also set this date to the maximum allowed date - 1 day
// if it is currently later than the allowed maximum date.
'<'(selector) {
this['<='].call(this, selector, 1);
},
// Ensure this date is not earlier (>=) than another date by setting
// the minimum allowed date to the other date.
// This will also set this date to the minimum allowed date if it is
// currently earlier than the allowed minimum date.
'>='(selector, offset) {
var this_date = $(this).datepicker('getDate'),
min_date = null,
temp,
adjustment = 0;
if ($(this).data().datePicker.offset) {
temp = $(this).data().datePicker.offset;
adjustment = parseInt($(temp).val(), 10);
}
// Get min date by either actual dates or minDate options on
// all matching elements
if (selector === 'today') {
min_date = new Date();
} else {
$(selector).each(function () {
var date = $(this).datepicker('getDate') || $(this).datepicker('option', 'minDate');
if (date && (!min_date || date > min_date)) {
min_date = new Date(date);
}
});
}
// Set min date and adjust current date if neccessary
if (min_date) {
min_date.setTime(min_date.getTime() + (offset || 0) * 24 * 60 * 60 * 1000);
temp = new Date(min_date);
temp.setDate(temp.getDate() + adjustment);
if (this_date && this_date < min_date) {
$(this).datepicker('setDate', temp);
}
$(this).datepicker('option', 'minDate', min_date);
} else {
$(this).datepicker('option', 'minDate', null);
}
},
// Ensure this date is later (>) than another date by setting the
// minimum allowed date to the other date + 1 day.
// This will also set this date to the minimum allowed date + 1 day
// if it is currently earlier than the allowed minimum date.
'>'(selector) {
this['>='].call(this, selector, 1);
}
}
};
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