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<?php
/**
* Class Vc_Hooks_Vc_Grid
* @since 4.4
*/
Class Vc_Hooks_Vc_Grid implements Vc_Vendor_Interface {
protected $grid_id_unique_name = 'vc_gid'; // if you change this also change in vc-basic-grid.php
/**
* Initializing hooks for grid element,
* Add actions to save appended shortcodes to post meta (for rendering in preview with shortcode id)
* And add action to hook request for grid data, to output it.
* @since 4.4
*/
public function load() {
// Hook for set post settings meta with shortcodes data
/**
* Filter called after page saved, used to append some post meta for post
* Used to save appended grid shortcodes to post meta with serialized array,
* @see Vc_Hooks_Vc_Grid::gridSavePostSettings (fetching shortcodes and return it data) and Vc_Hooks_Vc_Grid::get_shortcode_regex (search exact shortcode in content)
* @see Vc_Post_Admin::setSettings for filter info
* @deprecated since 4.4.3 due to invalid hash algorithm on saving.
*/
add_filter( 'vc_hooks_vc_post_settings', array(
&$this,
'gridSavePostSettings'
), 10, 3 );
/**
* @since 4.4.3
*/
add_filter( 'vc_hooks_vc_post_settings', array(
&$this,
'gridSavePostSettingsId'
), 10, 3 );
/**
* Used to output shortcode data for ajax request. called on any page request.
*/
// add_action( 'template_redirect', array( &$this, 'getGridDataForAjax' ) );
add_action( 'wp_ajax_vc_get_vc_grid_data', array( &$this, 'getGridDataForAjax' ) );
add_action( 'wp_ajax_nopriv_vc_get_vc_grid_data', array( &$this, 'getGridDataForAjax' ) );
}
/**
* @since 4.4.3
* @deprecated and should not be used and will be removed in future!
* @return string
*/
private function getShortcodeRegexForHash() {
$tagnames = apply_filters( 'vc_grid_shortcodes_tags', array(
'vc_basic_grid',
'vc_masonry_grid',
'vc_media_grid',
'vc_masonry_media_grid'
) ); // return only grid shortcodes
$tagregexp = join( '|', array_map( 'preg_quote', $tagnames ) );
// WARNING! Do not change this regex without changing do_shortcode_tag() and strip_shortcode_tag()
// Also, see shortcode_unautop() and shortcode.js.
return
'\\[' // Opening bracket
. '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
. "($tagregexp)" // 2: Shortcode name
. '(?![\\w-])' // Not followed by word character or hyphen
. '(' // 3: Unroll the loop: Inside the opening shortcode tag
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. '(?:'
. '\\/(?!\\])' // A forward slash not followed by a closing bracket
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. ')*?'
. ')'
. '(?:'
. '(\\/)' // 4: Self closing tag ...
. '\\]' // ... and closing bracket
. '|'
. '\\]' // Closing bracket
. '(?:'
. '(' // 5: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
. '[^\\[]*+' // Not an opening bracket
. '(?:'
. '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
. '[^\\[]*+' // Not an opening bracket
. ')*+'
. ')'
. '\\[\\/\\2\\]' // Closing shortcode tag
. ')?'
. ')'
. '(\\]?)'; // 6: Optional second closing brocket for escaping shortcodes: [[tag]]
}
/**
* @since 4.4.3
* @return string
*/
private function getShortcodeRegexForId() {
return
'\\[' // Opening bracket
. '(\\[?)' // 1: Optional second opening bracket for escaping shortcodes: [[tag]]
. "([\\w-_]+)" // 2: Shortcode name
. '(?![\\w-])' // Not followed by word character or hyphen
. '(' // 3: Unroll the loop: Inside the opening shortcode tag
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. '(?:'
. '\\/(?!\\])' // A forward slash not followed by a closing bracket
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. ')*?'
. '(?:'
. '('
. $this->grid_id_unique_name // 4: GridId must exist
. '[^\\]\\/]*' // Not a closing bracket or forward slash
. ')+'
. ')'
. ')'
. '(?:'
. '(\\/)' // 5: Self closing tag ...
. '\\]' // ... and closing bracket
. '|'
. '\\]' // Closing bracket
. '(?:'
. '(' // 6: Unroll the loop: Optionally, anything between the opening and closing shortcode tags
. '[^\\[]*+' // Not an opening bracket
. '(?:'
. '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
. '[^\\[]*+' // Not an opening bracket
. ')*+'
. ')'
. '\\[\\/\\2\\]' // Closing shortcode tag
. ')?'
. ')'
. '(\\]?)'; // 7: Optional second closing brocket for escaping shortcodes: [[tag]]
}
/**
* Set page meta box values with vc_adv_pager shortcodes data
* @since 4.4
* @deprecated since 4.4.3
*
* @param array $settings
* @param $post_id
* @param $post
*
* @return array - shortcode settings to save.
*/
public function gridSavePostSettings( array $settings, $post_id, $post ) {
$pattern = $this->getShortcodeRegexForHash();
preg_match_all( "/$pattern/", $post->post_content, $found ); // fetch only needed shortcodes
$settings['vc_grid'] = array();
if ( is_array( $found ) && ! empty( $found[0] ) ) {
$to_save = array();
foreach ( $found[3] as $key => $shortcode_atts ) {
if ( strpos( $shortcode_atts, 'vc_gid:' ) !== false ) {
continue;
}
$atts = shortcode_parse_atts( $shortcode_atts );
$data = array(
'tag' => $found[2][ $key ],
'atts' => $atts,
'content' => $found[5][ $key ],
);
$hash = sha1( serialize( $data ) );
$to_save[ $hash ] = $data;
}
if ( ! empty( $to_save ) ) {
$settings['vc_grid'] = array( 'shortcodes' => $to_save );
}
}
return $settings;
}
/**
* @since 4.4.3
*
* @param array $settings
* @param $post_id
* @param $post
*
* @return array
*/
public function gridSavePostSettingsId( array $settings, $post_id, $post ) {
$pattern = $this->getShortcodeRegexForId();
preg_match_all( "/$pattern/", $post->post_content, $found ); // fetch only needed shortcodes
$settings['vc_grid_id'] = array();
if ( is_array( $found ) && ! empty( $found[0] ) ) {
$to_save = array();
foreach ( $found[1] as $key => $parse_able ) {
if ( empty( $parse_able ) || $parse_able != '[' ) {
$id_pattern = '/' . $this->grid_id_unique_name . '\:([\w-_]+)/';
$id_value = $found[4][ $key ];
preg_match( $id_pattern, $id_value, $id_matches );
if ( ! empty( $id_matches ) ) {
$id_to_save = $id_matches[1];
// why we need to check if shortcode is parse able?
// 1: if it is escaped it must not be displayed (parsed)
// 2: so if 1 is true it must not be saved in database meta
$shortcode_tag = $found[2][ $key ];
$shortcode_atts_string = $found[3][ $key ];
/** @var $atts array */
$atts = shortcode_parse_atts( $shortcode_atts_string );
$content = $found[6][ $key ];
$data = array(
'tag' => $shortcode_tag,
'atts' => $atts,
'content' => $content,
);
$to_save[ $id_to_save ] = $data;
}
}
}
if ( ! empty( $to_save ) ) {
$settings['vc_grid_id'] = array( 'shortcodes' => $to_save );
}
}
return $settings;
}
/**
* @since 4.4
*
* @output/@return string - grid data for ajax request.
*/
public function getGridDataForAjax() {
$tag = vc_request_param( 'tag' );
if ( $tag ) {
$shorcode_fishbone = visual_composer()->getShortCode( $tag );
if ( is_object( $shorcode_fishbone ) ) {
/** @var $vc_grid WPBakeryShortcode_Vc_Basic_Grid */
$vc_grid = $shorcode_fishbone->shortcodeClass();
if ( method_exists( $vc_grid, 'renderAjax' ) ) {
die( $vc_grid->renderAjax( vc_request_param( 'data' ) ) );
}
}
}
}
}
/**
* @since 4.4
* @var Vc_Hooks_Vc_Grid $hook
*/
$hook = new Vc_Hooks_Vc_Grid();
// when visual composer initialized let's trigger Vc_Grid hooks.
add_action( 'vc_after_init', array( $hook, 'load' ) );