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list-renderer.php
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list-renderer.php
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<?php
class P2P_List_Renderer {
static function query_and_render( $args ) {
$ctype = p2p_type( $args['ctype'] );
if ( !$ctype ) {
trigger_error( sprintf( "Unregistered connection type '%s'.", $ctype ), E_USER_WARNING );
return '';
}
$directed = $ctype->find_direction( $args['item'] );
if ( !$directed )
return '';
$context = $args['context'];
$extra_qv = array(
'p2p:per_page' => -1,
'p2p:context' => $context
);
$connected = call_user_func( array( $directed, $args['method'] ), $args['item'], $extra_qv, 'abstract' );
switch ( $args['mode'] ) {
case 'inline':
$render_args = array(
'separator' => ', '
);
break;
case 'ol':
$render_args = array(
'before_list' => '<ol id="' . $ctype->name . '_list">',
'after_list' => '</ol>',
);
break;
case 'ul':
default:
$render_args = array(
'before_list' => '<ul id="' . $ctype->name . '_list">',
'after_list' => '</ul>',
);
break;
}
$render_args['echo'] = false;
$html = self::render( $connected, $render_args );
return apply_filters( "p2p_{$context}_html", $html, $connected, $directed, $args['mode'] );
}
static function render( $list, $args = array() ) {
if ( empty( $list->items ) )
return '';
$args = wp_parse_args( $args, array(
'before_list' => '<ul>', 'after_list' => '</ul>',
'before_item' => '<li>', 'after_item' => '</li>',
'separator' => false,
'echo' => true
) );
if ( $args['separator'] ) {
if ( '<ul>' == $args['before_list'] )
$args['before_list'] = '';
if ( '</ul>' == $args['after_list'] )
$args['after_list'] = '';
}
if ( !$args['echo'] )
ob_start();
echo $args['before_list'];
if ( $args['separator'] ) {
$rendered = array();
foreach ( $list->items as $item ) {
$rendered[] = self::render_item( $item );
}
echo implode( $args['separator'], $rendered );
} else {
foreach ( $list->items as $item ) {
echo $args['before_item'] . self::render_item( $item ) . $args['after_item'];
}
}
echo $args['after_list'];
if ( !$args['echo'] )
return ob_get_clean();
}
private static function render_item( $item ) {
return html_link( $item->get_permalink(), $item->get_title() );
}
}