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(function($) {
jQuery.timepicker.log = jQuery.noop; // that's ugly, but the timepicker is acting weird and throws parsing errors
// modify DatePicker internal methods to replace year select by a numeric input
var origGenerateMonthYearHeader = $.datepicker._generateMonthYearHeader,
origSelectMonthYear = $.datepicker._selectMonthYear;
$.datepicker._generateMonthYearHeader = function(inst, drawMonth, drawYear, minDate, maxDate,
secondary, monthNames, monthNamesShort) {
var html = origGenerateMonthYearHeader.call(this, inst, drawMonth, drawYear, minDate, maxDate,
secondary, monthNames, monthNamesShort);
var yearshtml = "<input type='number' class='ui-datepicker-year' data-handler='selectYear' data-event='change keyup' value='"+drawYear+"' style='width:4em;margin-left:2px;'>";
return html.replace(new RegExp('<select class=\'ui-datepicker-year\'.*</select>', 'gm'), yearshtml);
};
$.datepicker._selectMonthYear = debounce(function(id, select, period) {
if (period === 'M') {
origSelectMonthYear.call(this, id, select, period);
}
else {
var target = $(id),
inst = this._getInst(target[0]),
val = parseInt(select.value, 10);
if (isNaN(val)) {
inst['drawYear'] = '';
}
else {
var pos = getCursor($('.ui-datepicker-year')[0]);
inst['selectedYear'] = inst['drawYear'] = val;
this._notifyChange(inst);
this._adjustDate(target);
$('.ui-datepicker-year').focus();
setCursor($('.ui-datepicker-year')[0], pos);
}
}
}, 500);
// plugin definition
jQuery.fn.pwgDatepicker = function(settings) {
var options = jQuery.extend(true, {
showTimepicker: false,
cancelButton: false,
}, settings || {});
return this.each(function() {
var $this = jQuery(this),
originalValue = $this.val(),
originalDate,
$target = jQuery('[name="'+ $this.data('datepicker') +'"]'),
linked = !!$target.length,
$start, $end;
if (linked) {
originalValue = $target.val();
}
// custom setter
function set(date, init) {
if (date === '') date = null;
$this.datetimepicker('setDate', date);
if ($this.data('datepicker-start') && $start) {
$start.datetimepicker('option', 'maxDate', date);
}
else if ($this.data('datepicker-end') && $end) {
if (!init) { // on init, "end" is not initialized yet (assuming "start" is before "end" in the DOM)
$end.datetimepicker('option', 'minDate', date);
}
}
if (!date && linked) {
$target.val('');
}
}
// and custom cancel button
if (options.cancelButton) {
options.beforeShow = options.onChangeMonthYear = function() {
setTimeout(function() {
var buttonPane = $this.datepicker('widget')
.find('.ui-datepicker-buttonpane');
if (buttonPane.find('.pwg-datepicker-cancel').length == 0) {
$('<button type="button">'+ options.cancelButton +'</button>')
.on('click', function() {
set(originalDate, false);
$this.datepicker('hide').blur();
})
.addClass('pwg-datepicker-cancel ui-state-error ui-corner-all')
.appendTo(buttonPane);
}
}, 1);
};
}
// init picker
$this.datetimepicker(jQuery.extend({
dateFormat: linked ? 'DD d MM yy' : 'yy-mm-dd',
timeFormat: 'HH:mm',
altField: linked ? $target : null,
altFormat: 'yy-mm-dd',
altTimeFormat: options.showTimepicker ? 'HH:mm:ss' : '',
autoSize: true,
changeMonth : true,
changeYear: true,
altFieldTimeOnly: false,
showSecond: false,
alwaysSetTime: false
}, options));
// attach range pickers
if ($this.data('datepicker-start')) {
$start = jQuery('[data-datepicker="'+ $this.data('datepicker-start') +'"]');
$this.datetimepicker('option', 'onClose', function(date) {
$start.datetimepicker('option', 'maxDate', date);
});
$this.datetimepicker('option', 'minDate', $start.datetimepicker('getDate'));
}
else if ($this.data('datepicker-end')) {
$end = jQuery('[data-datepicker="'+ $this.data('datepicker-end') +'"]');
$this.datetimepicker('option', 'onClose', function(date) {
$end.datetimepicker('option', 'minDate', date);
});
}
// attach unset button
if ($this.data('datepicker-unset')) {
jQuery('#'+ $this.data('datepicker-unset')).on('click', function(e) {
e.preventDefault();
set(null, false);
});
}
// set value from linked input
if (linked) {
var splitted = originalValue.split(' ');
if (splitted.length == 2 && options.showTimepicker) {
set(jQuery.datepicker.parseDateTime('yy-mm-dd', 'HH:mm:ss', originalValue), true);
}
else if (splitted[0].length == 10) {
set(jQuery.datepicker.parseDate('yy-mm-dd', splitted[0]), true);
}
else {
set(null, true);
}
}
originalDate = $this.datetimepicker('getDate');
// autoSize not handled by timepicker
if (options.showTimepicker) {
$this.attr('size', parseInt($this.attr('size'))+6);
}
});
};
// functions for custom year input
function setCursor(node,pos){
var node = (typeof node == "string" || node instanceof String) ? document.getElementById(node) : node;
if (!node) {
return false;
}
else if(node.createTextRange) {
var textRange = node.createTextRange();
textRange.collapse(true);
textRange.moveEnd(pos);
textRange.moveStart(pos);
textRange.select();
return true;
}
else if(node.setSelectionRange) {
node.setSelectionRange(pos,pos);
return true;
}
return false;
}
function getCursor(input) {
// Internet Explorer Caret Position (TextArea)
if (document.selection && document.selection.createRange) {
var range = document.selection.createRange();
var bookmark = range.getBookmark();
return bookmark.charCodeAt(2) - 2;
}
else {
// Firefox Caret Position (TextArea)
if (input.setSelectionRange)
return input.selectionStart;
}
return 0;
}
function debounce(func, wait, immediate) {
var timeout;
return function() {
var context = this, args = arguments;
var later = function() {
timeout = null;
if (!immediate) func.apply(context, args);
};
var callNow = immediate && !timeout;
clearTimeout(timeout);
timeout = setTimeout(later, wait);
if (callNow) func.apply(context, args);
};
}
}(jQuery));
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