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<?php
if ( ! defined( 'ABSPATH' ) ) {
die( '-1' );
}
/**
* Class Vc_AutoComplete
* Param type 'autocomplete'
* Used to create input field with predefined or ajax values suggestions.
* See usage example in bottom of this file.
* @since 4.4
*/
class Vc_AutoComplete {
/**
* @since 4.4
* @var array $settings - param settings
*/
protected $settings;
/**
* @since 4.4
* @var string $value - current param value (if multiple it is splitted by ',' comma to make array)
*/
protected $value;
/**
* @since 4.4
* @var string $tag - shortcode name(base)
*/
protected $tag;
/**
* @param array $settings - param settings (from vc_map)
* @param string $value - current param value
* @param string $tag - shortcode name(base)
*
* @since 4.4
*/
public function __construct( $settings, $value, $tag ) {
$this->tag = $tag;
$this->settings = $settings;
$this->value = $value;
}
/**
* @since 4.4
* vc_filter: vc_autocomplete_{shortcode_tag}_{param_name}_render - hook to define output for autocomplete item
* @return string
*/
public function render() {
$output = '<div class="vc_autocomplete-field">' .
'<ul class="vc_autocomplete' .
( ( isset( $this->settings['settings'], $this->settings['settings']['display_inline'] ) && true === $this->settings['settings']['display_inline'] ) ? ' vc_autocomplete-inline' : '' ) .
'">';
if ( isset( $this->value ) && strlen( $this->value ) > 0 ) {
$values = explode( ',', $this->value );
foreach ( $values as $key => $val ) {
$value = array(
'value' => trim( $val ),
'label' => trim( $val ),
);
if ( isset( $this->settings['settings'], $this->settings['settings']['values'] ) && ! empty( $this->settings['settings']['values'] ) ) {
foreach ( $this->settings['settings']['values'] as $data ) {
if ( trim( $data['value'] ) == trim( $val ) ) {
$value['label'] = $data['label'];
break;
}
}
} else {
// Magic is here. this filter is used to render value correctly ( must return array with 'value', 'label' keys )
$value = apply_filters( 'vc_autocomplete_' . $this->tag . '_' . $this->settings['param_name'] . '_render', $value, $this->settings, $this->tag );
}
if ( is_array( $value ) && isset( $value['value'], $value['label'] ) ) {
$output .= '<li data-value="' . $value['value'] . '" data-label="' . $value['label'] . '" data-index="' . $key . '" class="vc_autocomplete-label vc_data"><span class="vc_autocomplete-label">' . $value['label'] . '</span> <a class="vc_autocomplete-remove">×</a></li>';
}
}
}
$output .= '<li class="vc_autocomplete-input"><span role="status" aria-live="polite" class="ui-helper-hidden-accessible"></span><input class="vc_auto_complete_param" type="text" placeholder="' . __( 'Click here and start typing...', 'js_composer' ) . '" value="' . $this->value . '" autocomplete="off"></li>' .
'<li class="vc_autocomplete-clear"></li>' .
'</ul>';
$output .= '<input name="' .
$this->settings['param_name'] .
'" class="wpb_vc_param_value ' .
$this->settings['param_name'] . ' ' .
$this->settings['type'] . '_field" type="hidden" value="' . $this->value . '" ' .
( ( isset( $this->settings['settings'] ) && ! empty( $this->settings['settings'] ) ) ? ' data-settings="' . htmlentities( json_encode( $this->settings['settings'] ), ENT_QUOTES, 'utf-8' ) . '" ' : '' ) .
' /></div>';
return $output;
}
}
/**
* @action wp_ajax_vc_get_autocomplete_suggestion - since 4.4 used to hook ajax requests for autocomplete suggestions
*/
add_action( 'wp_ajax_vc_get_autocomplete_suggestion', 'vc_get_autocomplete_suggestion' );
/**
* @since 4.4
*/
function vc_get_autocomplete_suggestion() {
vc_user_access()
->checkAdminNonce()
->validateDie()
->wpAny( 'edit_posts', 'edit_pages' )
->validateDie();
$query = vc_post_param( 'query' );
$tag = strip_tags( vc_post_param( 'shortcode' ) );
$param_name = vc_post_param( 'param' );
vc_render_suggestion( $query, $tag, $param_name );
}
/**
* @since 4.4
*
* @param $query
* @param $tag
* @param $param_name
*
* vc_filter: vc_autocomplete_{tag}_{param_name}_callback - hook to get suggestions from ajax. (here you need to hook).
*/
function vc_render_suggestion( $query, $tag, $param_name ) {
$suggestions = apply_filters( 'vc_autocomplete_' . stripslashes( $tag ) . '_' . stripslashes( $param_name ) . '_callback', $query, $tag, $param_name );
if ( is_array( $suggestions ) && ! empty( $suggestions ) ) {
die( json_encode( $suggestions ) );
}
die( '' ); // if nothing found..
}
/**
* Function for rendering param in edit form (add element)
* Parse settings from vc_map and entered values.
*
* @param $settings
* @param $value
* @param $tag
*
* @since 4.4
* vc_filter: vc_autocomplete_render_filter - hook to override output of edit for field "autocomplete"
* @return mixed|void rendered template for params in edit form
*/
function vc_autocomplete_form_field( $settings, $value, $tag ) {
$auto_complete = new Vc_AutoComplete( $settings, $value, $tag );
return apply_filters( 'vc_autocomplete_render_filter', $auto_complete->render() );
}
// Some examples
/* vc_map(
array(
'name' => __( 'Check autocomplete', 'js_composer' ),
'base' => 'vc_some_autocomplete',
'icon' => 'icon-wpb-empty_space',
'category' => __( 'New Elements', 'js_composer' ),
'description' => __( 'Something cool and best', 'js_composer' ),
'params' => array(
array(
'type' => 'autocomplete',
'heading' => __( 'Type a for example', 'js_composer' ),
'param_name' => 'ids',
'settings' => array(
'multiple' => true,
'sortable' => true,
'min_length' => 1,
'no_hide' => true, // In UI after select doesn't hide an select list
'groups' => true, // In UI show results grouped by groups
'unique_values' => true, // In UI show results except selected. NB! You should manually check values in backend
'display_inline' => true, // In UI show results inline view
'values' => array( // Using key 'values' will disable an AJAX requests on autocomplete input and also any filter for suggestions
array( 'label' => 'Abrams', 'value' => 1, 'group' => 'category' ),
array( 'label' => 'Brama', 'value' => 2, 'group' => 'category' ),
array( 'label' => 'Dron', 'value' => 3, 'group' => 'tags' ),
array( 'label' => 'Akelloam', 'value' => 4, 'group' => 'tags' ),
// Label will show when adding
// Value will saved in input
// Group only used if groups=>true, this will group data in select dropdown by groups
),
),
'description' => __( '', 'js_composer' ),
),
),
)
);
// Or with AJAX suggester:
See \js_composer\include\classes\vendors\plugins\class-vc-vendor-woocommerce.php
vc_map( array(
'name' => __( 'Product', 'js_composer' ),
'base' => 'product',
'icon' => 'icon-wpb-woocommerce',
'category' => __( 'WooCommerce', 'js_composer' ),
'description' => __( 'Show a single product by ID or SKU', 'js_composer' ),
'params' => array(
array(
'type' => 'autocomplete',
'heading' => __( 'Select identificator', 'js_composer' ),
'param_name' => 'id',
'description' => __( 'Input product ID or product SKU or product title to see suggestions', 'js_composer' ),
),
array(
'type' => 'hidden',
// This will not show on render, but will be used when defining value for autocomplete
'param_name' => 'sku',
),
)
) );
//Filters For autocomplete param:
//For suggestion: vc_autocomplete_[shortcode_name]_[param_name]_callback
add_filter( 'vc_autocomplete_product_id_callback', array(
$this,
'productIdAutocompleteSuggester'
), 10, 1 ); // Get suggestion(find). Must return an array
add_filter( 'vc_autocomplete_product_id_render', array(
$this,
'productIdAutocompleteRender'
), 10, 1 ); // Render exact item. Must return an array (label,value)
function productIdAutocompleteSuggester($query) -> should proccess your request, and return an multi-dimension associative array with keys 'label', 'value' and if necessary 'group'
function productIdAutocompleteRender($value) -> should proccess your request (for 1 exact item from "value") and return an associative array with keys 'label','value' and if necessary 'group'
*/