135 lines
5.0 KiB
PHP
135 lines
5.0 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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die( '-1' );
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}
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/**
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* Class Vc_AutoComplete
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* Param type 'autocomplete'
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* Used to create input field with predefined or ajax values suggestions.
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* See usage example in bottom of this file.
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* @since 4.4
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*/
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class Vc_AutoComplete {
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/**
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* @since 4.4
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* @var array $settings - param settings
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*/
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protected $settings;
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/**
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* @since 4.4
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* @var string $value - current param value (if multiple it is splitted by ',' comma to make array)
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*/
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protected $value;
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/**
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* @since 4.4
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* @var string $tag - shortcode name(base)
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*/
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protected $tag;
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/**
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* @param array $settings - param settings (from vc_map)
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* @param string $value - current param value
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* @param string $tag - shortcode name(base)
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*
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* @since 4.4
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*/
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public function __construct( $settings, $value, $tag ) {
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$this->tag = $tag;
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$this->settings = $settings;
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$this->value = $value;
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}
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/**
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* @return string
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* @since 4.4
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* vc_filter: vc_autocomplete_{shortcode_tag}_{param_name}_render - hook to define output for autocomplete item
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*/
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public function render() {
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$output = sprintf( '<div class="vc_autocomplete-field"><ul class="vc_autocomplete%s">', ( isset( $this->settings['settings'], $this->settings['settings']['display_inline'] ) && true === $this->settings['settings']['display_inline'] ) ? ' vc_autocomplete-inline' : '' );
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if ( isset( $this->value ) && strlen( $this->value ) > 0 ) {
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$values = explode( ',', $this->value );
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foreach ( $values as $key => $val ) {
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$value = array(
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'value' => trim( $val ),
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'label' => trim( $val ),
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);
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if ( isset( $this->settings['settings'], $this->settings['settings']['values'] ) && ! empty( $this->settings['settings']['values'] ) ) {
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foreach ( $this->settings['settings']['values'] as $data ) {
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if ( trim( $data['value'] ) === trim( $val ) ) {
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$value['label'] = $data['label'];
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break;
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}
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}
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} else {
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// Magic is here. this filter is used to render value correctly ( must return array with 'value', 'label' keys )
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$value = apply_filters( 'vc_autocomplete_' . $this->tag . '_' . $this->settings['param_name'] . '_render', $value, $this->settings, $this->tag );
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}
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if ( is_array( $value ) && isset( $value['value'], $value['label'] ) ) {
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$output .= '<li data-value="' . $value['value'] . '" data-label="' . $value['label'] . '" data-index="' . $key . '" class="vc_autocomplete-label vc_data"><span class="vc_autocomplete-label">' . $value['label'] . '</span> <a class="vc_autocomplete-remove">×</a></li>';
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}
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}
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}
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$output .= sprintf( '<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="%s" value="%s" autocomplete="off"></li><li class="vc_autocomplete-clear"></li></ul>', esc_attr__( 'Click here and start typing...', 'js_composer' ), $this->value );
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$output .= sprintf( '<input name="%s" class="wpb_vc_param_value %s %s_field" type="hidden" value="%s" %s /></div>', $this->settings['param_name'], $this->settings['param_name'], $this->settings['type'], $this->value, ( isset( $this->settings['settings'] ) && ! empty( $this->settings['settings'] ) ) ? ' data-settings="' . htmlentities( wp_json_encode( $this->settings['settings'] ), ENT_QUOTES, 'utf-8' ) . '" ' : '' );
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return $output;
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}
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}
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/**
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* @action wp_ajax_vc_get_autocomplete_suggestion - since 4.4 used to hook ajax requests for autocomplete suggestions
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*/
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add_action( 'wp_ajax_vc_get_autocomplete_suggestion', 'vc_get_autocomplete_suggestion' );
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/**
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* @since 4.4
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*/
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function vc_get_autocomplete_suggestion() {
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vc_user_access()->checkAdminNonce()->validateDie()->wpAny( 'edit_posts', 'edit_pages' )->validateDie();
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$query = vc_post_param( 'query' );
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$tag = wp_strip_all_tags( vc_post_param( 'shortcode' ) );
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$param_name = vc_post_param( 'param' );
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vc_render_suggestion( $query, $tag, $param_name );
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}
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/**
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* @param $query
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* @param $tag
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* @param $param_name
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*
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* vc_filter: vc_autocomplete_{tag}_{param_name}_callback - hook to get suggestions from ajax. (here you need to hook).
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* @since 4.4
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*
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*/
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function vc_render_suggestion( $query, $tag, $param_name ) {
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$suggestions = apply_filters( 'vc_autocomplete_' . stripslashes( $tag ) . '_' . stripslashes( $param_name ) . '_callback', $query, $tag, $param_name );
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if ( is_array( $suggestions ) && ! empty( $suggestions ) ) {
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die( wp_json_encode( $suggestions ) );
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}
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die( '' ); // if nothing found..
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}
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/**
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* Function for rendering param in edit form (add element)
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* Parse settings from vc_map and entered values.
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*
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* @param $settings
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* @param $value
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* @param $tag
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*
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* @return mixed rendered template for params in edit form
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* @since 4.4
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* vc_filter: vc_autocomplete_render_filter - hook to override output of edit for field "autocomplete"
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*/
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function vc_autocomplete_form_field( $settings, $value, $tag ) {
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$auto_complete = new Vc_AutoComplete( $settings, $value, $tag );
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return apply_filters( 'vc_autocomplete_render_filter', $auto_complete->render() );
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}
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