Files
2024-07-17 15:30:32 +02:00

146 lines
3.6 KiB
JavaScript

/*
* overriding the datepicker function to intercept the arguments
* -> https://stackoverflow.com/questions/26667720/how-to-get-the-selected-date-from-jquery-datepicker
* then create an false input that will mask the real one
* and put the original date format on the false element,
* while transforming the real one with the acf format 'Ymd'
*
* another solution would be to find the elements with the datepicker, and add the onSelect here
*
*/
// store the original jQuery UI datepicker function
const original_datepicker = jQuery.fn.datepicker;
// override the datepicker function
jQuery.fn.datepicker = function(options) {
/*
* first creates the fake input
*
*/
create_fake_date_input(options, this);
/*
* then override the options to add action on select date :
* -> store the date in acf format in the hidden field value
*
*/
options.onSelect = function(date_text, inst) {
const acf_date_format = "yymmdd";
const selected_date = jQuery(this).datepicker('getDate');
const formated_date = jQuery.datepicker.formatDate(acf_date_format, selected_date);
const fake_id = 'acf_date_fake_' + inst.id;
jQuery('#' + fake_id).val(date_text);
jQuery(this).val(formated_date);
}
// call the original datepicker function with the updated option
return original_datepicker.call(this, options);
};
/*
* creates the false element
* place it above the real one to hide it
*
*/
async function create_fake_date_input(options, element) {
const fake_id = 'acf_date_fake_' + element.attr('id');
if (jQuery('#' + fake_id).length !== 0) {
return;
}
const fake_name = 'acf_date_fake_for_' + element.attr('name');
const original_date_string = await get_acf_date_from_rest(element);
const fake_value = original_date_string;
/*
* we position the hidden element right in top of the real datepicker one
* it might nor work in some situation, but so far it's good
* then we remove pointer events, so that clicking on it actually clicks on the real input
*
*/
let fake_style = `
position: absolute;
top: 0px;
left: 0px;
pointer-events: none;
`;
const font_weight = element.css('font-weight');
if (font_weight) {
fake_style += `font-weight: ${font_weight};`;
}
/*
* gives the parent element a defined position if needed
* then create the false input above the real one
*
*/
if (element.parent().css('position') === 'static') {
element.parent().css('position', 'relative');
}
jQuery(`<input type="text" id="${fake_id}" name="${fake_name}" style="${fake_style}" value="${fake_value}">`).insertAfter(element);
}
/*
* use the rest api to get the formated value for the date field
*
*/
async function get_acf_date_from_rest(element) {
const pid = getUrlParameter('pid');
const prefix = "de_fb_";
const name = element.attr('name')
let acf_name = name.substring(prefix.length);
let date = element.val(); // default date, not formated, if fetch call fails
let fetch_data = null;
try {
const response = await fetch(`/wp-json/wp/v2/posts/${pid}?_fields=acf.${acf_name}&acf_format=standard`);
fetch_data = await response.json();
tmp_date = fetch_data.acf[acf_name];
if (tmp_date) {
date = tmp_date;
}
}
catch (error) {
console.error('Error fetching ACF field:', error);
}
return date;
}
/*
* https://stackoverflow.com/a/21903119/9497573
*
*/
function getUrlParameter(sParam) {
let sPageURL = window.location.search.substring(1),
sURLVariables = sPageURL.split('&'),
sParameterName,
i;
for (i = 0; i < sURLVariables.length; i++) {
sParameterName = sURLVariables[i].split('=');
if (sParameterName[0] === sParam) {
return sParameterName[1] === undefined ? true : decodeURIComponent(sParameterName[1]);
}
}
return false;
};