_liste_references[$id];
$result = null;
if ( $list != null ) {
foreach ($list as $ref) {
if ( strcmp($ref->get_name(), $name) == 0 ) {
$result = $ref;
break;
}
}
}
return $result;
}
/**
* Adds the reference in the list, if needed. If already in list, increments the usage counter (= the number
* indicating how many times the references is used in the post).
*
* @param int $the_ID The post ID
* @param Jref_Reference $reference The reference we are looking at right now
*
* @return Jref_Reference The reference (added or updated)
*/
function add_reference( $the_ID, $reference ) {
$ref_num = count($this->_liste_references[$the_ID]) + 1;
$reference->set_ref_num( $ref_num );
$this->_liste_references[$the_ID][] = $reference;
return $reference;
}
/**
* What to do with the reference ?
*
* If it has a no name, we'll reference that reference (yuk) with its number and treat it (yuk) as unique (=used nowhere else).
* If it has a name, we can refer to it with that name, that means we can reuse it elsewhere.
*
* @param Jref_Reference $reference A Jref_Rreference object that we'll be added following the rules (see above).
*
* @return Jref_Reference The reference itself
*/
function handle_reference( $reference ) {
$the_ID = get_the_ID();
$current_reference = null;
/** Does this reference have a name ? */
$reference_name = $reference->get_name();
if ( $reference_name == "" ) {
/** If no: let's assume the reference is unique */
$current_reference = $this->add_reference( $the_ID, $reference );
} else {
/** Tricker: we have a reference name ; so does it already exists in the list ? */
$reference_multiple = $this->get_reference_by_name( $the_ID, $reference_name );
if ( $reference_multiple != null) {
/** Yes: it exists. So let's increment the counter of usage */
$reference_multiple->add_count();
$current_reference = $reference_multiple;
}
else {
/** New Reference, with a name. May be used later. */
$current_reference = $this->add_reference( get_the_ID(), $reference );
}
}
/** Now we have to set a name for the HTML anchor we'll use to navigate */
$current_reference->set_anchor( "jref-p" . $the_ID . "-r" . $current_reference->get_ref_num() . "-o" . $current_reference->get_occ_nb() );
return $current_reference;
}
/**
* Shortcode handler.
*/
function jref_shortcode( $atts, $content ) {
ob_start();
$current_reference = $this->handle_reference( new Jref_Reference( $atts, $content ) );
$res = "";
$res .= "[" . $current_reference->get_ref_num() . "]";
print( $res );
return ob_get_clean();
}
/**
* Appends a footer containing all necessary references to the current post. This function is a WP content filter.
*
* @param html $content The content of the post (at its current state)
*
* @return html The content of the post with the reference table at its bottom
*
* @see https://codex.wordpress.org/Plugin_API/Filter_Reference/the_content
*/
function jref_footer( $content ) {
$the_ID = get_the_ID();
$count = count( $this->_liste_references[$the_ID] );
if ( $count > 0 ) {
/** Title */
$content .= "";
/** Reference table */
$liste = $this->_liste_references[$the_ID];
$content .= "";
}
return $content;
}
/**
* Register and enqueue style sheet.
*/
public function register_jref_plugin_styles() {
$cssdir = plugins_url( 'css/plugin.css', __FILE__ );
wp_register_style( 'Jref_Citation', $cssdir );
wp_enqueue_style( 'Jref_Citation' );
}
/**
* Jref_Citation Constructor
*/
public function __construct() {
include_once plugin_dir_path( __FILE__ ).'class.jref-reference.php';
/** Loading texts */
load_plugin_textdomain( 'jref', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' );
/** Register style sheet */
add_action( 'wp_enqueue_scripts', array( $this, 'register_jref_plugin_styles' ) );
/** get plugin options */
$jref_options = get_option( 'jref_option_name' );
$shortcode = $jref_options[ 'code_name' ];
/** Creating the shortcode with the name provided in the admin page */
add_shortcode( $shortcode, array( $this, 'jref_shortcode' ));
add_filter( 'the_content', array( $this, 'jref_footer' ), 99 );
}
}