function acf_get_taxonomy_terms($taxonomies = array())
{
// force array
$taxonomies = acf_force_type_array($taxonomies);
// get pretty taxonomy names
$taxonomies = acf_get_pretty_taxonomies($taxonomies);
// vars
$r = array();
// populate $r
foreach (array_keys($taxonomies) as $taxonomy) {
// vars
$label = $taxonomies[$taxonomy];
$terms = get_terms($taxonomy, array('hide_empty' => false));
if (!empty($terms)) {
$r[$label] = array();
foreach ($terms as $term) {
$k = "{$taxonomy}:{$term->slug}";
$r[$label][$k] = $term->name;
}
}
}
// return
return $r;
}
function render_field($field)
{
// echo "<pre>";
// print_r($field);
// echo "</pre>";
$taxonomies = array();
$taxonomies = acf_get_array($taxonomies);
$taxonomies = acf_get_pretty_taxonomies($taxonomies);
$all_taxonomies = acf_get_taxonomy_terms();
$selected_taxonomies = array();
$terms = array();
$slug_name = !empty($field['choices']) ? $field['choices'] : array_keys(acf_get_pretty_taxonomies());
foreach ($slug_name as $k1 => $v1) {
$terms = array_merge($terms, get_terms($v1, array('hide_empty' => false)));
foreach ($taxonomies as $k2 => $v2) {
if ($v1 == $k2) {
$field['choices'][$k1] = $v2;
}
}
}
foreach ($field['choices'] as $k1 => $v1) {
foreach ($all_taxonomies as $k2 => $v2) {
if ($v1 == $k2) {
$selected_taxonomies[$v1] = $all_taxonomies[$k2];
}
}
}
$field['choices'] = $selected_taxonomies;
// convert value to array
// $field['value'] = acf_force_type_array($field['value']);
// add empty value (allows '' to be selected)
if (empty($field['value'])) {
$field['value'][''] = '';
$field['value']['cat'] = '';
}
// placeholder
if (empty($field['placeholder'])) {
$field['placeholder'] = __("Select", 'acf');
}
// vars
$atts = array('id' => $field['id'], 'class' => $field['class'] . ' js-multi-taxonomy-select2', 'name' => $field['name'], 'data-ui' => $field['ui'], 'data-ajax' => $field['ajax'], 'data-multiple' => $field['multiple'], 'data-placeholder' => $field['placeholder'], 'data-allow_null' => $field['allow_null']);
// hidden input
if ($field['ui']) {
acf_hidden_input(array('type' => 'hidden', 'id' => $field['id'], 'name' => $field['name'], 'value' => implode(',', $field['value'])));
} elseif ($field['multiple']) {
acf_hidden_input(array('type' => 'hidden', 'name' => $field['name']));
}
// ui
if ($field['ui']) {
$atts['disabled'] = 'disabled';
$atts['class'] .= ' acf-hidden';
}
// multiple
if ($field['multiple']) {
$atts['multiple'] = 'multiple';
$atts['size'] = 5;
$atts['name'] .= '[]';
}
// special atts
foreach (array('readonly', 'disabled') as $k) {
if (!empty($field[$k])) {
$atts[$k] = $k;
}
}
// vars
$els = array();
$choices = array();
if ($field['data_type']) {
// loop through values and add them as options
if (!empty($field['choices'])) {
foreach ($field['choices'] as $k => $v) {
if (is_array($v)) {
// optgroup
$els[] = array('type' => 'optgroup', 'label' => $k);
if (!empty($v)) {
foreach ($v as $k2 => $v2) {
if ($field['type_value']) {
foreach ($terms as $key => $val) {
if ($val->name == $v2) {
$els[] = array('type' => 'option', 'value' => $val->term_id, 'label' => $v2, 'selected' => $slct = $val->term_id == $field['value'] ? "selected" : "");
}
}
} else {
$els[] = array('type' => 'option', 'value' => $k2, 'label' => $v2, 'selected' => $slct = $k2 == $field['value'] ? "selected" : "");
}
$choices[] = $k2;
}
}
$els[] = array('type' => '/optgroup');
} else {
$els[] = array('type' => 'option', 'value' => $k, 'label' => $v, 'selected' => $slct = $k == $field['value'] ? "selected" : "");
$choices[] = $k;
}
}
}
// null
if ($field['allow_null']) {
array_unshift($els, array('type' => 'option', 'value' => '', 'label' => '- ' . $field['placeholder'] . ' -'));
}
// html
echo '<select ' . acf_esc_attr($atts) . '>';
// construct html
if (!empty($els)) {
foreach ($els as $el) {
// extract type
$type = acf_extract_var($el, 'type');
if ($type == 'option') {
// get label
$label = acf_extract_var($el, 'label');
// validate selected
if (acf_extract_var($el, 'selected')) {
$el['selected'] = 'selected';
}
echo acf_esc_attr($el);
echo '<option ' . acf_esc_attr($el) . '>' . $label . '</option>';
} else {
echo '<' . $type . ' ' . acf_esc_attr($el) . '>';
}
}
}
echo '</select>';
} else {
$els = '[';
$i = 0;
foreach ($field['choices'] as $k => $v) {
if (is_array($v)) {
$els .= '[';
foreach ($v as $k2 => $v2) {
foreach ($terms as $key => $val) {
if ($val->name == $v2) {
$els .= '["' . $v2 . '","' . $val->term_id . '",' . '"' . $slug_name[$i] . '"],';
}
}
}
$els .= '],';
}
$i++;
}
$els .= ']';
echo '<div class="h">';
echo '<div class="Taxonomies">';
echo '<label class="" for="' . $field['key'] . '">Taxonomies</label> ';
echo '<select class="js-multi-taxonomy-select2 taxonomiesF" name="' . $field['name'] . '" id="' . $field['key'] . '-taxonomies">';
$i = 0;
foreach ($field['choices'] as $k => $v) {
echo '<option value="' . $i++ . '">' . $k . '</option>';
}
echo '</select>';
echo '</div>';
echo '<div class="Terms">';
echo '<label class="" >Terms</label> ';
echo '<input name="' . $field['name'] . '[cat]" id="' . $field['key'] . '-terms" class="js-multi-taxonomy-select2 termsF" value="" />';
echo '</div>';
echo '</div>';
// }
echo '
<script>
(function($){
var arr = ' . $els . ';
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
$(".TaxonomiesF").each(function(){
$(this).ready(function(){
$(this).closest(":has(.h .Terms .termsF)").find(".termsF").attr("name","' . $field['name'] . '[" + arr[$(this).closest(":has(.h .Taxonomies .TaxonomiesF)").find(".TaxonomiesF").val()][0][2]+ "]")
$(this).closest(":has(.h .Terms .termsF)").find(".termsF").select2({
multiple: true,
query: function (query) {
var data = {results: []}, i;
for (i in arr[$(this).closest(":has(.h .Taxonomies .TaxonomiesF)").find(".TaxonomiesF").val()] ) {
data.results.push({id: arr[$(this).closest(":has(.h .Taxonomies .TaxonomiesF)").find(".TaxonomiesF").val()][i][1] , text: arr[$(this).closest(":has(.h .Taxonomies .TaxonomiesF)").find(".TaxonomiesF").val()][i][0]});
}
query.callback(data);
},
initSelection : function (element, callback) {
var elementText = $(element).val();
var data = {id: elementText, text: elementText};
callback(data);
}
});
});
});
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
})(jQuery);
</script> ';
}
}
function acf_get_taxonomy_terms($taxonomies = array())
{
// force array
$taxonomies = acf_get_array($taxonomies);
// get pretty taxonomy names
$taxonomies = acf_get_pretty_taxonomies($taxonomies);
// vars
$r = array();
// populate $r
foreach (array_keys($taxonomies) as $taxonomy) {
// vars
$label = $taxonomies[$taxonomy];
$terms = get_terms($taxonomy, array('hide_empty' => false));
$is_hierarchical = is_taxonomy_hierarchical($taxonomy);
// bail early i no terms
if (empty($terms)) {
continue;
}
// sort into hierachial order!
if ($is_hierarchical) {
$terms = _get_term_children(0, $terms, $taxonomy);
}
// add placeholder
$r[$label] = array();
// add choices
foreach ($terms as $term) {
$k = "{$taxonomy}:{$term->slug}";
$r[$label][$k] = acf_get_term_title($term);
}
}
// return
return $r;
}
function render_field($field)
{
$taxonomies = array();
$taxonomies = acf_get_array($taxonomies);
$taxonomies = acf_get_pretty_taxonomies($taxonomies);
$taxonomy_terms = acf_get_taxonomy_terms();
$selected_taxonomies = array();
$terms = array();
$slug_name = !empty($field['choices']) ? $field['choices'] : array_keys(acf_get_pretty_taxonomies());
if ($field['tax_type'] == 'Term') {
// select terms
foreach ($slug_name as $k1 => $v1) {
$terms = array_merge($terms, get_terms($v1, array('hide_empty' => false)));
foreach ($taxonomies as $k2 => $v2) {
if ($v1 == $k2) {
$field['choices'][$k1] = $v2;
}
}
}
foreach ($field['choices'] as $k1 => $v1) {
foreach ($taxonomy_terms as $k2 => $v2) {
if ($v1 == $k2) {
$selected_taxonomies[$v1] = $taxonomy_terms[$k2];
}
}
}
} else {
//select taxonomies
$taxonomies = array();
foreach ($slug_name as $tax_name) {
// only use allowed taxonomies
$taxonomies[$tax_name] = get_taxonomy($tax_name);
}
foreach ($taxonomies as $taxonomy) {
$selected_taxonomies[$taxonomy->name] = $taxonomy->label;
}
}
$field['choices'] = $selected_taxonomies;
// add empty value (allows '' to be selected)
if (empty($field['value'])) {
$field['value'] = '';
$field['value']['cat'] = '';
}
// placeholder
if (empty($field['placeholder'])) {
$field['placeholder'] = __("Select", 'acf');
}
// vars
$atts = array('id' => $field['id'], 'class' => $field['class'] . ' js-multi-taxonomy-select2', 'name' => $field['name'], 'data-ui' => $field['ui'], 'data-ajax' => $field['ajax'], 'data-placeholder' => $field['placeholder'], 'data-allow_null' => $field['allow_null']);
// hidden input
if ($field['ui']) {
acf_hidden_input(array('type' => 'hidden', 'id' => $field['id'], 'name' => $field['name'], 'value' => implode(',', $field['value'])));
} elseif ($field['multiple']) {
acf_hidden_input(array('type' => 'hidden', 'name' => $field['name']));
}
// ui
if ($field['ui']) {
$atts['disabled'] = 'disabled';
$atts['class'] .= ' acf-hidden';
}
// special atts
foreach (array('readonly', 'disabled') as $k) {
if (!empty($field[$k])) {
$atts[$k] = $k;
}
}
// vars
$els = array();
$choices = array();
// loop through values and add them as options
if (!empty($field['choices'])) {
foreach ($field['choices'] as $k => $v) {
// allowed taxonomies
if (is_array($v)) {
// optgroup
$els[] = array('type' => 'optgroup', 'label' => $k);
if (!empty($v)) {
foreach ($v as $k2 => $v2) {
$strip_v2_hyphen = preg_replace('#-\\s?#', '', $v2);
// Child categories have hyphens before the name, we need to remove them in order to match them
if ($field['type_value']) {
// value = term ID
foreach ($terms as $key => $val) {
if ($val->name == $strip_v2_hyphen) {
$els[] = array('type' => 'option', 'value' => $val->term_id, 'label' => $v2, 'selected' => $slct = $val->term_id == $field['value'] ? "selected" : "");
}
}
} else {
// value = term slug
preg_match('#(?::)(.*)#', $k2, $value);
// originally returns 'taxonomy:term-slug' this removes 'taxonomy:'
$els[] = array('type' => 'option', 'value' => $value[1], 'label' => $v2, 'selected' => $slct = $value[1] == $field['value'] ? "selected" : "");
}
$choices[] = $k2;
}
}
$els[] = array('type' => '/optgroup');
} else {
// value = Taxonomy Slug
$els[] = array('type' => 'option', 'value' => $k, 'label' => $v, 'selected' => $slct = $k == $field['value'] ? "selected" : "");
$choices[] = $k;
}
}
}
// null
if ($field['allow_null']) {
array_unshift($els, array('type' => 'option', 'value' => '', 'label' => '- ' . $field['placeholder'] . ' -'));
}
// html
echo '<select ' . acf_esc_attr($atts) . '>';
// construct html
if (!empty($els)) {
foreach ($els as $el) {
// extract type
$type = acf_extract_var($el, 'type');
if ($type == 'option') {
// get label
$label = acf_extract_var($el, 'label');
// validate selected
if (acf_extract_var($el, 'selected')) {
$el['selected'] = 'selected';
}
echo acf_esc_attr($el);
echo '<option ' . acf_esc_attr($el) . '>' . $label . '</option>';
} else {
echo '<' . $type . ' ' . acf_esc_attr($el) . '>';
}
}
}
echo '</select>';
}
