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<?php

if (!class_exists('acf_field_select')) {
    class acf_field_select extends acf_field
    {
        function initialize()
        {
            $this->name = 'select';
            $this->label = _x('Select', 'noun', 'acf');
            $this->category = 'choice';
            $this->defaults = array('multiple' => 0, 'allow_null' => 0, 'choices' => array(), 'default_value' => '', 'ui' => 0, 'ajax' => 0, 'placeholder' => '', 'return_format' => 'value');
            add_action('wp_ajax_acf/fields/select/query', array($this, 'ajax_query'));
            add_action('wp_ajax_nopriv_acf/fields/select/query', array($this, 'ajax_query'));
        }
        function input_admin_enqueue_scripts()
        {
            if (!acf_get_setting('enqueue_select2')) {
                return;
            }
            global $wp_scripts, $wp_styles;
            $min = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
            $major = acf_get_setting('select2_version');
            $version = '';
            $script = '';
            $style = '';
            if (isset($wp_scripts->registered['select2'])) {
                $major = (int) $wp_scripts->registered['select2']->ver;
            }
            if ($major == 4) {
                $version = '4.0';
                $script = acf_get_url("assets/inc/select2/4/select2.full{$min}.js");
                $style = acf_get_url("assets/inc/select2/4/select2{$min}.css");
            } else {
                $version = '3.5.2';
                $script = acf_get_url("assets/inc/select2/3/select2{$min}.js");
                $style = acf_get_url('assets/inc/select2/3/select2.css');
            }
            wp_enqueue_script('select2', $script, array('jquery'), $version);
            wp_enqueue_style('select2', $style, '', $version);
            acf_localize_data(array('select2L10n' => array('matches_1' => _x('One result is available, press enter to select it.', 'Select2 JS matches_1', 'acf'), 'matches_n' => _x('%d results are available, use up and down arrow keys to navigate.', 'Select2 JS matches_n', 'acf'), 'matches_0' => _x('No matches found', 'Select2 JS matches_0', 'acf'), 'input_too_short_1' => _x('Please enter 1 or more characters', 'Select2 JS input_too_short_1', 'acf'), 'input_too_short_n' => _x('Please enter %d or more characters', 'Select2 JS input_too_short_n', 'acf'), 'input_too_long_1' => _x('Please delete 1 character', 'Select2 JS input_too_long_1', 'acf'), 'input_too_long_n' => _x('Please delete %d characters', 'Select2 JS input_too_long_n', 'acf'), 'selection_too_long_1' => _x('You can only select 1 item', 'Select2 JS selection_too_long_1', 'acf'), 'selection_too_long_n' => _x('You can only select %d items', 'Select2 JS selection_too_long_n', 'acf'), 'load_more' => _x('Loading more results&hellip;', 'Select2 JS load_more', 'acf'), 'searching' => _x('Searching&hellip;', 'Select2 JS searching', 'acf'), 'load_fail' => _x('Loading failed', 'Select2 JS load_fail', 'acf'))));
        }
        function ajax_query()
        {
            if (!acf_verify_ajax()) {
                die;
            }
            $response = $this->get_ajax_query($_POST);
            acf_send_ajax_results($response);
        }
        function get_ajax_query($options = array())
        {
            $options = acf_parse_args($options, array('post_id' => 0, 's' => '', 'field_key' => '', 'paged' => 1));
            $field = acf_get_field($options['field_key']);
            if (!$field) {
                return false;
            }
            $choices = acf_get_array($field['choices']);
            if (empty($field['choices'])) {
                return false;
            }
            $results = array();
            $s = null;
            if ($options['s'] !== '') {
                $s = strval($options['s']);
                $s = wp_unslash($s);
            }
            foreach ($field['choices'] as $k => $v) {
                $v = strval($v);
                if (is_string($s) && stripos($v, $s) === false) {
                    continue;
                }
                $results[] = array('id' => $k, 'text' => $v);
            }
            $response = array('results' => $results);
            return $response;
        }
        function render_field($field)
        {
            $value = acf_get_array($field['value']);
            $choices = acf_get_array($field['choices']);
            if (empty($field['placeholder'])) {
                $field['placeholder'] = _x('Select', 'verb', 'acf');
            }
            if (empty($value)) {
                $value = array('');
            }
            if ($field['allow_null'] && !$field['multiple']) {
                $choices = array('' => "- {$field['placeholder']} -") + $choices;
            }
            if ($field['ui'] && $field['ajax']) {
                $minimal = array();
                foreach ($value as $key) {
                    if (isset($choices[$key])) {
                        $minimal[$key] = $choices[$key];
                    }
                }
                $choices = $minimal;
            }
            $select = array('id' => $field['id'], 'class' => $field['class'], 'name' => $field['name'], 'data-ui' => $field['ui'], 'data-ajax' => $field['ajax'], 'data-multiple' => $field['multiple'], 'data-placeholder' => $field['placeholder'], 'data-allow_null' => $field['allow_null']);
            if ($field['multiple']) {
                $select['multiple'] = 'multiple';
                $select['size'] = 5;
                $select['name'] .= '[]';
                if ($field['ui']) {
                    $select['size'] = 1;
                }
            }
            if (!empty($field['readonly'])) {
                $select['readonly'] = 'readonly';
            }
            if (!empty($field['disabled'])) {
                $select['disabled'] = 'disabled';
            }
            if (!empty($field['ajax_action'])) {
                $select['data-ajax_action'] = $field['ajax_action'];
            }
            if ($field['multiple'] || $field['ui']) {
                acf_hidden_input(array('id' => $field['id'] . '-input', 'name' => $field['name']));
            }
            $select['value'] = $value;
            $select['choices'] = $choices;
            acf_select_input($select);
        }
        function render_field_settings($field)
        {
            $field['choices'] = acf_encode_choices($field['choices']);
            $field['default_value'] = acf_encode_choices($field['default_value'], false);
            acf_render_field_setting($field, array('label' => __('Choices', 'acf'), 'instructions' => __('Enter each choice on a new line.', 'acf') . '<br /><br />' . __('For more control, you may specify both a value and label like this:', 'acf') . '<br /><br />' . __('red : Red', 'acf'), 'name' => 'choices', 'type' => 'textarea'));
            acf_render_field_setting($field, array('label' => __('Default Value', 'acf'), 'instructions' => __('Enter each default value on a new line', 'acf'), 'name' => 'default_value', 'type' => 'textarea'));
            acf_render_field_setting($field, array('label' => __('Allow Null?', 'acf'), 'instructions' => '', 'name' => 'allow_null', 'type' => 'true_false', 'ui' => 1));
            acf_render_field_setting($field, array('label' => __('Select multiple values?', 'acf'), 'instructions' => '', 'name' => 'multiple', 'type' => 'true_false', 'ui' => 1));
            acf_render_field_setting($field, array('label' => __('Stylised UI', 'acf'), 'instructions' => '', 'name' => 'ui', 'type' => 'true_false', 'ui' => 1));
            acf_render_field_setting($field, array('label' => __('Use AJAX to lazy load choices?', 'acf'), 'instructions' => '', 'name' => 'ajax', 'type' => 'true_false', 'ui' => 1, 'conditions' => array('field' => 'ui', 'operator' => '==', 'value' => 1)));
            acf_render_field_setting($field, array('label' => __('Return Format', 'acf'), 'instructions' => __('Specify the value returned', 'acf'), 'type' => 'select', 'name' => 'return_format', 'choices' => array('value' => __('Value', 'acf'), 'label' => __('Label', 'acf'), 'array' => __('Both (Array)', 'acf'))));
        }
        function load_value($value, $post_id, $field)
        {
            if ($field['multiple']) {
                if (acf_is_empty($value)) {
                    return array();
                }
                return acf_array($value);
            }
            return acf_unarray($value);
        }
        function update_field($field)
        {
            $field['choices'] = acf_decode_choices($field['choices']);
            $field['default_value'] = acf_decode_choices($field['default_value'], true);
            if (!$field['multiple']) {
                $field['default_value'] = acf_unarray($field['default_value']);
            }
            return $field;
        }
        function update_value($value, $post_id, $field)
        {
            if (empty($value)) {
                return $value;
            }
            if (is_array($value)) {
                $value = array_map('strval', $value);
            }
            return $value;
        }
        function translate_field($field)
        {
            $field['choices'] = acf_translate($field['choices']);
            return $field;
        }
        function format_value($value, $post_id, $field)
        {
            if (is_array($value)) {
                foreach ($value as $i => $val) {
                    $value[$i] = $this->format_value_single($val, $post_id, $field);
                }
            } else {
                $value = $this->format_value_single($value, $post_id, $field);
            }
            return $value;
        }
        function format_value_single($value, $post_id, $field)
        {
            if (acf_is_empty($value)) {
                return $value;
            }
            $label = acf_maybe_get($field['choices'], $value, $value);
            if ($field['return_format'] == 'value') {
            } elseif ($field['return_format'] == 'label') {
                $value = $label;
            } elseif ($field['return_format'] == 'array') {
                $value = array('value' => $value, 'label' => $label);
            }
            return $value;
        }
    }
    acf_register_field_type('acf_field_select');
}