294 lines
11 KiB
PHP
294 lines
11 KiB
PHP
<?php
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/*
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Plugin Name: CMB2 Field Type: Ajax Search
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Plugin URI: https://github.com/rubengc/cmb2-field-ajax-search
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GitHub Plugin URI: https://github.com/rubengc/cmb2-field-ajax-search
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Description: CMB2 field type to attach posts, users or terms.
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Version: 1.0.1
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Author: Ruben Garcia
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Author URI: http://rubengc.com/
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License: GPLv2+
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*/
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// This plugin is based on CMB2 Field Type: Post Search Ajax (https://github.com/alexis-magina/cmb2-field-post-search-ajax)
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// Special thanks to Magina (http://magina.fr/) for him awesome work
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if( ! class_exists( 'CMB2_Field_Ajax_Search' ) ) {
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/**
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* Class CMB2_Field_Ajax_Search
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*/
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class CMB2_Field_Ajax_Search {
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/**
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* Current version number
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*/
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const VERSION = '1.0.1';
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/**
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* Initialize the plugin by hooking into CMB2
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*/
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public function __construct() {
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add_action( 'admin_enqueue_scripts', array( $this, 'setup_admin_scripts' ) );
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// Render
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add_action( 'cmb2_render_post_ajax_search', array( $this, 'render' ), 10, 5 );
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add_action( 'cmb2_render_user_ajax_search', array( $this, 'render' ), 10, 5 );
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add_action( 'cmb2_render_term_ajax_search', array( $this, 'render' ), 10, 5 );
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// Display
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add_filter( 'cmb2_pre_field_display_post_ajax_search', array( $this, 'display' ), 10, 3 );
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add_filter( 'cmb2_pre_field_display_user_ajax_search', array( $this, 'display' ), 10, 3 );
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add_filter( 'cmb2_pre_field_display_term_ajax_search', array( $this, 'display' ), 10, 3 );
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// Sanitize
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add_action( 'cmb2_sanitize_post_ajax_search', array( $this, 'sanitize' ), 10, 4 );
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add_action( 'cmb2_sanitize_user_ajax_search', array( $this, 'sanitize' ), 10, 4 );
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add_action( 'cmb2_sanitize_term_ajax_search', array( $this, 'sanitize' ), 10, 4 );
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// Ajax request
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add_action( 'wp_ajax_cmb_ajax_search_get_results', array( $this, 'get_results' ) );
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}
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/**
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* Render field
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*/
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public function render( $field, $value, $object_id, $object_type, $field_type ) {
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$field_name = $field->_name();
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$default_limit = 1;
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// Current filter is cmb2_render_{$object_to_search}_ajax_search ( post, user or term )
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$object_to_search = str_replace( 'cmb2_render_', '', str_replace( '_ajax_search', '', current_filter() ) );
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if( $field->args( 'multiple' ) == true ) {
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$default_limit = -1; // 0 or -1 means unlimited
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?><ul id="<?php echo $field_name; ?>_results" class="cmb-ajax-search-results cmb-<?php echo $object_to_search; ?>-ajax-search-results"><?php
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if( isset( $value ) && ! empty( $value ) ){
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if( ! is_array( $value ) ) {
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$value = array( $value );
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}
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foreach( $value as $val ) :
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?>
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<li>
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<?php if( $field->args( 'sortable' ) ) : ?><span class="hndl"></span><?php endif; ?>
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<input type="hidden" name="<?php echo $field_name; ?>[]" value="<?php echo $val; ?>">
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<a href="<?php echo $this->object_link( $field_name, $val, $object_to_search ); ?>" target="_blank" class="edit-link">
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<?php echo $this->object_text( $field_name, $val, $object_to_search ); ?>
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</a>
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<a class="remover"><span class="dashicons dashicons-no"></span><span class="dashicons dashicons-dismiss"></span></a>
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</li>
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<?php
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endforeach;
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}
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?></ul><?php
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$input_value = '';
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} else {
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if( is_array( $value ) ) {
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$value = $value[0];
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}
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echo $field_type->input( array(
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'type' => 'hidden',
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'name' => $field_name,
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'value' => $value,
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'desc' => false
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) );
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$input_value = ( $value ? $this->object_text( $field_name, $value, $object_to_search ) : '' );
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}
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echo $field_type->input( array(
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'type' => 'text',
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'name' => $field_name . '_input',
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'id' => $field_name . '_input',
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'class' => 'cmb-ajax-search cmb-' . $object_to_search . '-ajax-search',
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'value' => $input_value,
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'desc' => false,
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'data-multiple' => $field->args( 'multiple' ) ? $field->args( 'multiple' ) : '0',
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'data-limit' => $field->args( 'limit' ) ? $field->args( 'limit' ) : $default_limit,
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'data-sortable' => $field->args( 'sortable' ) ? $field->args( 'sortable' ) : '0',
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'data-object-type' => $object_to_search,
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'data-query-args' => $field->args( 'query_args' ) ? htmlspecialchars( json_encode( $field->args( 'query_args' ) ), ENT_QUOTES, 'UTF-8' ) : ''
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) );
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echo '<img src="'.admin_url( 'images/spinner.gif' ).'" class="cmb-ajax-search-spinner" />';
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$field_type->_desc( true, true );
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}
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/**
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* Display field
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*/
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public function display( $pre_output, $field, $display ) {
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$object_type = str_replace( 'cmb2_pre_field_display_', '', str_replace( '_ajax_search', '', current_filter() ) );
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ob_start();
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$field->peform_param_callback( 'before_display_wrap' );
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printf( "<div class=\"cmb-column %s\" data-fieldtype=\"%s\">\n", $field->row_classes( 'display' ), $field->type() );
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$field->peform_param_callback( 'before_display' );
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if( is_array( $field->value ) ) : ?>
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<?php foreach( $field->value as $value ) : ?>
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<a href="<?php echo $this->object_link( $field->args['id'], $value, $object_type ); ?>" class="edit-link">
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<?php echo $this->object_text( $field->args['id'], $value, $object_type ); ?>
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</a> <br>
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<?php endforeach; ?>
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<?php else : ?>
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<a href="<?php echo $this->object_link( $field->args['id'], $field->value, $object_type ); ?>" class="edit-link">
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<?php echo $this->object_text( $field->args['id'], $field->value, $object_type ); ?>
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</a>
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<?php endif;
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$field->peform_param_callback( 'after_display' );
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echo "\n</div>";
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$field->peform_param_callback( 'after_display_wrap' );
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$pre_output = ob_get_clean();
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return $pre_output;
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}
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/**
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* Optionally save the latitude/longitude values into two custom fields
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*/
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public function sanitize( $override_value, $value, $object_id, $field_args ) {
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$fid = $field_args['id'];
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if($field_args['render_row_cb'][0]->data_to_save[$field_args['id']]) {
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$value = $field_args['render_row_cb'][0]->data_to_save[$field_args['id']];
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} else {
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$value = false;
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}
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return $value;
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}
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/**
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* Enqueue scripts and styles
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*/
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public function setup_admin_scripts() {
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wp_register_script( 'jquery-autocomplete-ajax-search', plugins_url( 'js/jquery.autocomplete.min.js', __FILE__ ), array( 'jquery' ), self::VERSION, true );
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wp_register_script( 'cmb-ajax-search', plugins_url( 'js/ajax-search.js', __FILE__ ), array( 'jquery', 'jquery-autocomplete-ajax-search', 'jquery-ui-sortable' ), self::VERSION, true );
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wp_localize_script( 'cmb-ajax-search', 'cmb_ajax_search', array(
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'ajaxurl' => admin_url( 'admin-ajax.php' ),
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'nonce' => wp_create_nonce( 'cmb_ajax_search_get_results' )
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) );
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wp_enqueue_script( 'cmb-ajax-search' );
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wp_enqueue_style( 'cmb-ajax-search', plugins_url( 'css/ajax-search.css', __FILE__ ), array(), self::VERSION );
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}
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/**
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* Ajax request : get results
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*/
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public function get_results() {
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$nonce = $_POST['nonce'];
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if ( ! wp_verify_nonce( $nonce, 'cmb_ajax_search_get_results' ) ) {
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// Wrong nonce
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die( json_encode( array(
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'error' => __( 'Error : Unauthorized action' )
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) ) );
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} else if ( ( ! isset( $_POST['field_id'] ) || empty( $_POST['field_id'] ) )
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|| ( ! isset( $_POST['object_type'] ) || empty( $_POST['object_type'] ) ) ) {
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// Wrong request parameters (field_id and object_type are mandatory)
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die( json_encode( array(
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'error' => __( 'Error : Wrong request parameters' )
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) ) );
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} else {
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$query_args = json_decode( stripslashes( htmlspecialchars_decode( $_POST['query_args'] ) ), true );
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$data = array();
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$results = array();
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switch( $_POST['object_type'] ) {
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case 'post':
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$query_args['s'] = $_POST['query'];
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$query = new WP_Query( $query_args );
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$results = $query->posts;
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break;
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case 'user':
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$query_args['search'] = '*' . $_POST['query'] . '*';
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$query = new WP_User_Query( $query_args );
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$results = $query->results;
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break;
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case 'term':
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$query_args['search'] = $_POST['query'];
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$query = new WP_Term_Query( $query_args );
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$results = $query->terms;
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break;
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}
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foreach ( $results as $result ) :
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if( $_POST['object_type'] == 'term' ) {
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$result_id = $result->term_id;
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} else {
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$result_id = $result->ID;
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}
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$data[] = array(
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'id' => $result_id,
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'value' => $this->object_text( $_POST['field_id'], $result_id, $_POST['object_type'] ),
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'link' => $this->object_link( $_POST['field_id'], $result_id, $_POST['object_type'] )
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);
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endforeach;
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wp_send_json( $data );
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exit;
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}
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}
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public function object_text( $field_id, $object_id, $object_type ) {
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$text = '';
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if( $object_type == 'post' ) {
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$text = get_the_title( $object_id );
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} else if( $object_type == 'user' ) {
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$text = get_the_author_meta('display_name', $object_id);
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} else if( $object_type == 'term' ) {
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$term = get_term( $object_id );
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$text = $term->name;
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}
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$text = apply_filters( "cmb_{$field_id}_ajax_search_result_text", $text, $object_id, $object_type );
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return $text;
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}
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public function object_link( $field_id, $object_id, $object_type ) {
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$link = '#';
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if( $object_type == 'post' ) {
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$link = get_edit_post_link( $object_id );
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} else if( $object_type == 'user' ) {
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$link = get_edit_user_link( $object_id );
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} else if( $object_type == 'term' ) {
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$link = get_edit_term_link( $object_id );
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}
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$link = apply_filters( "cmb_{$field_id}_ajax_search_result_link", $link, $object_id, $object_type );
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return $link;
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}
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}
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$cmb2_field_ajax_search = new CMB2_Field_Ajax_Search();
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}
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