oficinasuport-wp-plugin/includes/custom-field-ajuts-filter-f...

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<?php
/**
* Function to display the front end checkboxes for the ajut filter
*
* references:
* basic start
* https://www.advancedcustomfields.com/resources/creating-wp-archive-custom-field-filter/
*
* wordpress full form example
* https://wordpress.stackexchange.com/questions/383599/form-checkbox-value-going-to-dynamic-url
*
* checkbox adaptation query
* https://wordpress.stackexchange.com/a/102915
*
* form GET and POST
* https://www.formget.com/php-checkbox/
*
* @package Oficina_de_Suport_theme
*/
?>
<?php
if( ! function_exists( 'ofisuport_ajuts_filters_form') ) {
function ofisuport_ajuts_filters_form() {
?>
<div id="archive-filters" class="ofisuport-filters">
<?php
// output all possible values of a checkbox
$groupkey = "group_63ab636898703"; // write here the key for the group of fields from acf
if( $groupkey ) {
?>
<?php // start the form ?>
<form id="form-ajuts" name="search-ajuts">
<?php
$groupkey_fields = acf_get_fields($groupkey);
foreach( $groupkey_fields as $field_key ) {
if( $field_key['type'] == 'checkbox' ){
// https://wordpress.stackexchange.com/a/102915
$fields = get_field_object($field_key['key']);
if( $fields ) {
// check for values from meta fields db in url
foreach( $GLOBALS['my_query_filters'] as $key => $fieldname ) {
// check for values in url and get value if available
if( isset($_GET[ $fieldname ]) ) {
$filteredvalues['value'] = explode(',', $_GET[ $fieldname ]);
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} else {
$filteredvalues['value'] = [];
};
//end check for values in url
// construct the checkboxes
if( $fieldname == $fields['name']) {
?>
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<section id="fund-filter fund-filter-<?php echo $fields['name']; ?>" class="<?php echo $fields['name']; ?>">
<h5 class="oficinasuport-titol-opcions"><?php echo $fields['label'];?></h5>
<?php foreach( $fields['choices'] as $choicevalue => $choicelabel ) { ?>
<div class="filter" data-filter="<?php echo $fields['name'];?>">
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<input class="ofisuport-filter" type="checkbox" name="<?php echo $fields['name'];?>" <?php if( in_array( $choicevalue, $filteredvalues['value']) ) { echo 'checked'; } ?> value="<?php echo $choicevalue; ?>" />
<label for="<?php echo $choicevalue; ?>"><?php echo $choicelabel;?></label>
</div>
<?php };//end foreach fields['choices'] ?>
</section>
<?php }; //end if fieldname == fields['name'] ?>
<?php // end of construct checkboxes ?>
<?php }; // end check for values from meta fields db in url ?>
<?php }; //end if field_key['key'] ?>
<?php }; //end if type checkbox ?>
<?php }; //end foreach groupkey field ?>
<?php //echo '<p><span id="filterlink"></span></p>';?>
<p><a id="submitfilteredlink" name="submit-ajut" class="button button-more" href="">enviar</a> </p>
</form>
<?php //close the form and subit ?>
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<?php }; //end if groupkey ?>
<aside id="search-form-ajuts" class="ofisuport-search-ajuts">
<?php
// search form for custom post type 'oficinasuport-ajut'
// <input type="hidden" value="ofisuport-ajut" name="post_type" id="post_type" />
// https://developer.wordpress.org/reference/functions/get_search_form/#comment-369
// https://wordpress.stackexchange.com/questions/313037/restrict-a-sear ch-to-a-custom-post-type
?>
<form class="ofisuport-search-form" role="search" method="get" action="/">
<label class="screen-reader-text" for="search">Search in ajuts</label>
<input type="search" id="search" class="search-field" placeholder="cerca amb paraula clau..." value="<?php the_search_query(); ?>" name="s" />
<input type="submit" id="searchsubmit" class="search-submit" value="cerca">
<span class="ofisuport-search-submit ofisuport-icon-search"></span>
<input type="hidden" value="ofisuport-ajut" name="post_type" id="post_type" />
</form>
</aside>
</div>
<script type="text/javascript">
(function($) {
// change
$('#archive-filters').on('click', 'input', function(){
// vars
var url = '<?php echo home_url('ajuts/'); ?>';
args = {};
var appendtoURL = '';
var eachfiltered = '';
var valueschecked = '';
// loop over filters
$('#archive-filters .filter').each(function(){
// check if is first appearance of each
if( eachfiltered != $(this).data('filter') ){
// save already calculated field=val01,val02,val03
if( eachfiltered != '' && valueschecked != '' ){
// remove last ','
valueschecked = valueschecked.slice(0, -1);
appendtoURL += eachfiltered +'=' +valueschecked +'&';
};
// start new fieldname filtered
eachfiltered = $(this).data('filter');
// reset values
valueschecked = '';
// find checked inputs
$(this).find('input:checked').each(function(){
// if not empty save value and ,
if( $(this).val() != '' ){
valueschecked += $(this).val() + ',';
};
});
//alert( appendtoURL +":" +eachfiltered +"=" +valuescheked);
} else {
// we have previous values checked
// find checked inputs
//if( $(this).val() != '' ){
// if not empty append value and ,
$(this).find('input:checked').each(function(){
valueschecked += $(this).val() + ',';
});
//alert( appendtoURL +":not:" +eachfiltered +"=" +valuescheked);
//};
};
});
// remove last ','
valueschecked = valueschecked.slice(0, -1);
// save last cycled filtered value already calculated field=val01,val02,val03
appendtoURL += eachfiltered +'=' +valueschecked +'&';
// remove last &
appendtoURL = appendtoURL.slice(0, -1);
// update url
url += '?' +appendtoURL;
// show or modify the url
//alert( url );
//$('#filterlink').text(url);
// convert a href url to new value
$('#submitfilteredlink').attr('href',url);
});
})(jQuery);
</script>
<?php
}; //end ofisuport_ajuts_filters_form
}; // end if ! functions_exists
?>