/*

* __construct

*

* This function will setup the field type data

*

* @type function

* @date 5/03/2014

* @since 5.0.0

*

* @param n/a

* @return n/a

*/

function __construct() {

/*

* name (string) Single word, no spaces. Underscores allowed

*/

$this->name = 'multi-taxonomy-chooser';

/*

* label (string) Multiple words, can include spaces, visible when selecting a field type

*/

$this->label = __('Multi Taxonomy Chooser', 'acf-multi-taxonomy-chooser');

/*

* category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME

*/

$this->category = 'choice';

/*

* defaults (array) Array of default settings which are merged into the field object. These are used later in settings

*/

$this->defaults = array(

'choices' => array(),

'allow_null' => 0,

'multiple' => 0,

'ui' => 0,

'ajax' => 0,

'type_value' => 1,

'data_type' => 1,

);

/*

* l10n (array) Array of strings that are used in JavaScript. This allows JS strings to be translated in PHP and loaded via:

* var message = acf._e('multi-taxonomy-chooser', 'error');

*/

$this->l10n = array(

'error' => __('Error! Please enter a higher value', 'acf-multi-taxonomy-chooser'),

);

// do not delete!

parent::__construct();

}

/*

* render_field_settings()

*

* Create extra settings for your field. These are visible when editing a field

*

* @type action

* @since 3.6

* @date 23/01/13

*

* @param $field (array) the $field being edited

* @return n/a

*/

function render_field_settings( $field ) {

/*

* acf_render_field_setting

*

* This function will create a setting for your field. Simply pass the $field parameter and an array of field settings.

* The array of settings does not require a `value` or `prefix`; These settings are found from the $field array.

*

* More than one setting can be added by copy/paste the above code.

* Please note that you must also have a matching $defaults value for the field name (font_size)

*/

// choices : Taxonomies

acf_render_field_setting( $field, array(

'label' => __('Choose Allowed Taxonomies','acf-multi-taxonomy-chooser'),

'instructions' => '',

'type' => 'select',

'name' => 'choices',

'choices' => acf_get_pretty_taxonomies(),

'multiple' => 1,

'ui' => 1,

'allow_null' => 1,

'placeholder' => __("All Taxonomies",'acf-multi-taxonomy-chooser'),

));

// multiple

acf_render_field_setting( $field, array(

'label' => __('Select multiple values?','acf-multi-taxonomy-chooser'),

'instructions' => '',

'type' => 'radio',

'name' => 'multiple',

'choices' => array(

1 => __("Yes",'acf-multi-taxonomy-chooser'),

0 => __("No",'acf-multi-taxonomy-chooser'),

),

'layout' => 'horizontal',

));

// id or slug

acf_render_field_setting( $field, array(

'label' => __('Return Value','acf-multi-taxonomy-chooser'),

'instructions' => __('Specify the returned value on front end','acf-multi-taxonomy-chooser'),

'type' => 'radio',

'name' => 'type_value',

'choices' => array(

1 => __("ID",'acf-multi-taxonomy-chooser'),

0 => __("Slug",'acf-multi-taxonomy-chooser'),

),

'layout' => 'horizontal',

));

// multi or single

acf_render_field_setting( $field, array(

'label' => __('Return Value','acf-multi-taxonomy-chooser'),

'instructions' => __('Specify the returned value on front end','acf-multi-taxonomy-chooser'),

'type' => 'radio',

'name' => 'data_type',

'choices' => array(

1 => __("Multi",'acf-multi-taxonomy-chooser'),

0 => __("Single",'acf-multi-taxonomy-chooser'),

),

'layout' => 'horizontal',

));

}

/*

* render_field()

*

* Create the HTML interface for your field

*

* @param $field (array) the $field being rendered

*

* @type action

* @since 3.6

* @date 23/01/13

*

* @param $field (array) the $field being edited

* @return n/a

*/

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> ';

}

}

/*

* input_admin_enqueue_scripts()

*

* This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.

* Use this action to add CSS + JavaScript to assist your render_field() action.

*

* @type action (admin_enqueue_scripts)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

function input_admin_enqueue_scripts() {

$dir = plugin_dir_url( __FILE__ );

// register & include JS

wp_register_script( 'acf-input-multi-taxonomy-chooser', "{$dir}js/input.js" );

wp_enqueue_script('acf-input-multi-taxonomy-chooser');

// register & include CSS

wp_register_style( 'acf-input-multi-taxonomy-chooser', "{$dir}css/input.css" );

wp_enqueue_style('acf-input-multi-taxonomy-chooser');

}

/*

* input_admin_head()

*

* This action is called in the admin_head action on the edit screen where your field is created.

* Use this action to add CSS and JavaScript to assist your render_field() action.

*

* @type action (admin_head)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function input_admin_head() {

}

*/

/*

* input_form_data()

*

* This function is called once on the 'input' page between the head and footer

* There are 2 situations where ACF did not load during the 'acf/input_admin_enqueue_scripts' and

* 'acf/input_admin_head' actions because ACF did not know it was going to be used. These situations are

* seen on comments / user edit forms on the front end. This function will always be called, and includes

* $args that related to the current screen such as $args['post_id']

*

* @type function

* @date 6/03/2014

* @since 5.0.0

*

* @param $args (array)

* @return n/a

*/

/*

function input_form_data( $args ) {

}

*/

/*

* input_admin_footer()

*

* This action is called in the admin_footer action on the edit screen where your field is created.

* Use this action to add CSS and JavaScript to assist your render_field() action.

*

* @type action (admin_footer)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function input_admin_footer() {

}

*/

/*

* field_group_admin_enqueue_scripts()

*

* This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.

* Use this action to add CSS + JavaScript to assist your render_field_options() action.

*

* @type action (admin_enqueue_scripts)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function field_group_admin_enqueue_scripts() {

}

*/

/*

* field_group_admin_head()

*

* This action is called in the admin_head action on the edit screen where your field is edited.

* Use this action to add CSS and JavaScript to assist your render_field_options() action.

*

* @type action (admin_head)

* @since 3.6

* @date 23/01/13

*

* @param n/a

* @return n/a

*/

/*

function field_group_admin_head() {

}

*/

/*

* load_value()

*

* This filter is applied to the $value after it is loaded from the db

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value found in the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

* @return $value

*/

/*

function load_value( $value, $post_id, $field ) {

return $value;

}

*/

/*

* update_value()

*

* This filter is applied to the $value before it is saved in the db

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value found in the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

* @return $value

*/

/*

function update_value( $value, $post_id, $field ) {

return $value;

}

*/

/*

* format_value()

*

* This filter is appied to the $value after it is loaded from the db and before it is returned to the template

*

* @type filter

* @since 3.6

* @date 23/01/13

*

* @param $value (mixed) the value which was loaded from the database

* @param $post_id (mixed) the $post_id from which the value was loaded

* @param $field (array) the field array holding all the field options

*

* @return $value (mixed) the modified value

*/

/*

function format_value( $value, $post_id, $field ) {

// bail early if no value

if( empty($value) ) {

return $value;

}

// apply setting

if( $field['font_size'] > 12 ) {

// format the value

// $value = 'something';

}

// return

return $value;

}

*/

/*

* validate_value()

*

* This filter is used to perform validation on the value prior to saving.

* All values are validated regardless of the field's required setting. This allows you to validate and return

* messages to the user if the value is not correct

*

* @type filter

* @date 11/02/2014

* @since 5.0.0

*

* @param $valid (boolean) validation status based on the value and the field's required setting

* @param $value (mixed) the $_POST value

* @param $field (array) the field array holding all the field options

* @param $input (string) the corresponding input name for $_POST value

* @return $valid

*/

/*

function validate_value( $valid, $value, $field, $input ){

// Basic usage

if( $value < $field['custom_minimum_setting'] )

{

$valid = false;

}

// Advanced usage

if( $value < $field['custom_minimum_setting'] )

{

$valid = __('The value is too little!','acf-multi-taxonomy-chooser'),

}

// return

return $valid;

}

*/

/*

* delete_value()

*

* This action is fired after a value has been deleted from the db.

* Please note that saving a blank value is treated as an update, not a delete

*

* @type action

* @date 6/03/2014

* @since 5.0.0

*

* @param $post_id (mixed) the $post_id from which the value was deleted

* @param $key (string) the $meta_key which the value was deleted

* @return n/a

*/

/*

function delete_value( $post_id, $key ) {

}

*/

/*

* load_field()

*

* This filter is applied to the $field after it is loaded from the database

*

* @type filter

* @date 23/01/2013

* @since 3.6.0

*

* @param $field (array) the field array holding all the field options

* @return $field

*/

/*

function load_field( $field ) {

return $field;

}

*/

/*

* update_field()

*

* This filter is applied to the $field before it is saved to the database

*

* @type filter

* @date 23/01/2013

* @since 3.6.0

*

* @param $field (array) the field array holding all the field options

* @return $field

*/

/*

function update_field( $field ) {

return $field;

}

*/

/*

* delete_field()

*

* This action is fired after a field is deleted from the database

*

* @type action

* @date 11/02/2014

* @since 5.0.0

*

* @param $field (array) the field array holding all the field options

* @return n/a

*/

/*

function delete_field( $field ) {

}

*/