87 lines
2.5 KiB
JavaScript
87 lines
2.5 KiB
JavaScript
/*
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* overriding the datepicker function to intercept the arguments
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* -> https://stackoverflow.com/questions/26667720/how-to-get-the-selected-date-from-jquery-datepicker
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* then create an false input that will mask the real one
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* and put the original date format on the false element,
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* while transforming the real one with the acf format 'Ymd'
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*
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* another solution would be to find the elements with the datepicker, and add the onSelect here
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*
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*/
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// store the original jQuery UI datepicker function
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const original_datepicker = jQuery.fn.datepicker;
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// override the datepicker function
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jQuery.fn.datepicker = function(options) {
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/*
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* first creates the fake input
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*
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*/
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create_fake_date_input(options, this);
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/*
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* then override the options to add action on select date :
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* -> store the date in acf format in the hidden field value
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*
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*/
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options.onSelect = function(date_text, inst) {
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const acf_date_format = "yymmdd";
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const selected_date = jQuery(this).datepicker('getDate');
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const formated_date = jQuery.datepicker.formatDate(acf_date_format, selected_date);
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const fake_id = 'acf_date_fake_' + inst.id;
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jQuery('#' + fake_id).val(date_text);
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jQuery(this).val(formated_date);
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}
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// call the original datepicker function with the updated option
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return original_datepicker.call(this, options);
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};
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/*
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* creates the false element
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* place it above the real one to hide it
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*
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*/
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function create_fake_date_input(options, element) {
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const fake_id = 'acf_date_fake_' + element.attr('id');
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// false element already exists
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if (jQuery('#' + fake_id).length !== 0) {
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return;
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}
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const fake_name = 'acf_date_fake_for_' + element.attr('name');
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const original_date_string = element.val();
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const fake_value = original_date_string;
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/*
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* we position the hidden element right in top of the real datepicker one
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* it might nor work in some situation, but so far it's good
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* then we remove pointer events, so that clicking on it actually clicks on the real input
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*
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*/
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let fake_style = `
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border: 1px solid blue;
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position: absolute;
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top: 0px;
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left: 100px;
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pointer-events: none;
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`;
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const font_weight = element.css('font-weight');
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if (font_weight) {
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fake_style += `font-weight: ${font_weight};`;
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}
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/*
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* gives the parent element a defined position if needed
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* then create the false input above the real one
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*
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*/
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if (element.parent().css('position') === 'static') {
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element.parent().css('position', 'relative');
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}
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jQuery(`<input type="text" id="${fake_id}" name="${fake_name}" style="${fake_style}" value="${fake_value}">`).insertAfter(element);
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}
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