Settings -> PageNavi
*
* @return void|string
*/
function wp_pagenavi( $args = array() ) {
if ( !is_array( $args ) ) {
$argv = func_get_args();
$args = array();
foreach ( array( 'before', 'after', 'options' ) as $i => $key ) {
$args[ $key ] = isset( $argv[ $i ]) ? $argv[ $i ] : '';
}
}
$args = wp_parse_args( $args, array(
'before' => '',
'after' => '',
'wrapper_tag' => 'div',
'wrapper_class' => 'wp-pagenavi',
'options' => array(),
'query' => $GLOBALS['wp_query'],
'type' => 'posts',
'echo' => true
) );
extract( $args, EXTR_SKIP );
$options = wp_parse_args( $options, PageNavi_Core::$options->get() );
$instance = new PageNavi_Call( $args );
list( $posts_per_page, $paged, $total_pages ) = $instance->get_pagination_args();
if ( 1 == $total_pages && !$options['always_show'] )
return;
$pages_to_show = absint( $options['num_pages'] );
$larger_page_to_show = absint( $options['num_larger_page_numbers'] );
$larger_page_multiple = absint( $options['larger_page_numbers_multiple'] );
$pages_to_show_minus_1 = $pages_to_show - 1;
$half_page_start = floor( $pages_to_show_minus_1/2 );
$half_page_end = ceil( $pages_to_show_minus_1/2 );
$start_page = $paged - $half_page_start;
if ( $start_page <= 0 )
$start_page = 1;
$end_page = $paged + $half_page_end;
if ( ( $end_page - $start_page ) != $pages_to_show_minus_1 )
$end_page = $start_page + $pages_to_show_minus_1;
if ( $end_page > $total_pages ) {
$start_page = $total_pages - $pages_to_show_minus_1;
$end_page = $total_pages;
}
if ( $start_page < 1 )
$start_page = 1;
// Support for filters to change class names
$class_names = array(
'pages' => apply_filters( 'wp_pagenavi_class_pages', 'pages'),
'first' => apply_filters( 'wp_pagenavi_class_first', 'first' ),
'previouspostslink' => apply_filters( 'wp_pagenavi_class_previouspostslink', 'previouspostslink' ),
'extend' => apply_filters( 'wp_pagenavi_class_extend', 'extend' ),
'smaller' => apply_filters( 'wp_pagenavi_class_smaller', 'smaller' ),
'page' => apply_filters( 'wp_pagenavi_class_page', 'page' ),
'current' => apply_filters( 'wp_pagenavi_class_current', 'current'),
'larger' => apply_filters( 'wp_pagenavi_class_larger', 'larger' ),
'nextpostslink' => apply_filters( 'wp_pagenavi_class_nextpostslink', 'nextpostslink'),
'last' => apply_filters( 'wp_pagenavi_class_last', 'last'),
);
$out = '';
switch ( intval( $options['style'] ) ) {
// Normal
case 1:
// Text
if ( !empty( $options['pages_text'] ) ) {
$pages_text = str_replace(
array( "%CURRENT_PAGE%", "%TOTAL_PAGES%" ),
array( number_format_i18n( $paged ), number_format_i18n( $total_pages ) ),
__( $options['pages_text'], 'wp-pagenavi' ) );
$out .= "$pages_text";
}
if ( $start_page >= 2 && $pages_to_show < $total_pages ) {
// First
$first_text = str_replace( '%TOTAL_PAGES%', number_format_i18n( $total_pages ), __( $options['first_text'], 'wp-pagenavi' ) );
$out .= $instance->get_single( 1, $first_text, array(
'class' => $class_names['first']
), '%TOTAL_PAGES%' );
}
// Previous
if ( $paged > 1 && !empty( $options['prev_text'] ) ) {
$out .= $instance->get_single( $paged - 1, $options['prev_text'], array(
'class' => $class_names['previouspostslink'],
'rel' => 'prev'
) );
}
if ( $start_page >= 2 && $pages_to_show < $total_pages ) {
if ( !empty( $options['dotleft_text'] ) )
$out .= "{$options['dotleft_text']}";
}
// Smaller pages
$larger_pages_array = array();
if ( $larger_page_multiple )
for ( $i = $larger_page_multiple; $i <= $total_pages; $i+= $larger_page_multiple )
$larger_pages_array[] = $i;
$larger_page_start = 0;
foreach ( $larger_pages_array as $larger_page ) {
if ( $larger_page < ($start_page - $half_page_start) && $larger_page_start < $larger_page_to_show ) {
$out .= $instance->get_single( $larger_page, $options['page_text'], array(
'class' => "{$class_names['smaller']} {$class_names['page']}",
) );
$larger_page_start++;
}
}
if ( $larger_page_start )
$out .= "{$options['dotleft_text']}";
// Page numbers
$timeline = 'smaller';
foreach ( range( $start_page, $end_page ) as $i ) {
if ( $i == $paged && !empty( $options['current_text'] ) ) {
$current_page_text = str_replace( '%PAGE_NUMBER%', number_format_i18n( $i ), $options['current_text'] );
$out .= "$current_page_text";
$timeline = 'larger';
} else {
$out .= $instance->get_single( $i, $options['page_text'], array(
'class' => "{$class_names['page']} {$class_names[$timeline]}",
) );
}
}
// Large pages
$larger_page_end = 0;
$larger_page_out = '';
foreach ( $larger_pages_array as $larger_page ) {
if ( $larger_page > ($end_page + $half_page_end) && $larger_page_end < $larger_page_to_show ) {
$larger_page_out .= $instance->get_single( $larger_page, $options['page_text'], array(
'class' => "{$class_names['larger']} {$class_names['page']}",
) );
$larger_page_end++;
}
}
if ( $larger_page_out ) {
$out .= "{$options['dotright_text']}";
}
$out .= $larger_page_out;
if ( $end_page < $total_pages ) {
if ( !empty( $options['dotright_text'] ) )
$out .= "{$options['dotright_text']}";
}
// Next
if ( $paged < $total_pages && !empty( $options['next_text'] ) ) {
$out .= $instance->get_single( $paged + 1, $options['next_text'], array(
'class' => $class_names['nextpostslink'],
'rel' => 'next'
) );
}
if ( $end_page < $total_pages ) {
// Last
$out .= $instance->get_single( $total_pages, __( $options['last_text'], 'wp-pagenavi' ), array(
'class' => $class_names['last'],
), '%TOTAL_PAGES%' );
}
break;
// Dropdown
case 2:
$out .= '\n";
break;
}
$out = $before . "<" . $wrapper_tag . " class='" . $wrapper_class . "'>\n$out\n" . $after;
$out = apply_filters( 'wp_pagenavi', $out );
if ( !$echo )
return $out;
echo $out;
}
class PageNavi_Call {
protected $args;
function __construct( $args ) {
$this->args = $args;
}
function __get( $key ) {
return $this->args[ $key ];
}
function get_pagination_args() {
global $numpages;
$query = $this->query;
switch( $this->type ) {
case 'multipart':
// Multipart page
$posts_per_page = 1;
$paged = max( 1, absint( get_query_var( 'page' ) ) );
$total_pages = max( 1, $numpages );
break;
case 'users':
// WP_User_Query
$posts_per_page = $query->query_vars['number'];
$paged = max( 1, floor( $query->query_vars['offset'] / $posts_per_page ) + 1 );
$total_pages = max( 1, ceil( $query->total_users / $posts_per_page ) );
break;
default:
// WP_Query
$posts_per_page = intval( $query->get( 'posts_per_page' ) );
$paged = max( 1, absint( $query->get( 'paged' ) ) );
$total_pages = max( 1, absint( $query->max_num_pages ) );
break;
}
return array( $posts_per_page, $paged, $total_pages );
}
function get_single( $page, $raw_text, $attr, $format = '%PAGE_NUMBER%' ) {
if ( empty( $raw_text ) )
return '';
$text = str_replace( $format, number_format_i18n( $page ), $raw_text );
$attr['href'] = $this->get_url( $page );
return html( 'a', $attr, $text );
}
function get_url( $page ) {
return ( 'multipart' == $this->type ) ? get_multipage_link( $page ) : get_pagenum_link( $page );
}
}
# http://core.trac.wordpress.org/ticket/16973
if ( !function_exists( 'get_multipage_link' ) ) :
function get_multipage_link( $page = 1 ) {
global $post, $wp_rewrite;
if ( 1 == $page ) {
$url = get_permalink();
} else {
if ( '' == get_option('permalink_structure') || in_array( $post->post_status, array( 'draft', 'pending') ) )
$url = add_query_arg( 'page', $page, get_permalink() );
elseif ( 'page' == get_option( 'show_on_front' ) && get_option('page_on_front') == $post->ID )
$url = trailingslashit( get_permalink() ) . user_trailingslashit( $wp_rewrite->pagination_base . "/$page", 'single_paged' );
else
$url = trailingslashit( get_permalink() ) . user_trailingslashit( $page, 'single_paged' );
}
return $url;
}
endif;
// Template tag: Drop Down Menu (Deprecated)
function wp_pagenavi_dropdown() {
wp_pagenavi();
}
class PageNavi_Core {
static $options;
static function init( $options ) {
self::$options = $options;
add_action( 'wp_enqueue_scripts', array( __CLASS__, 'stylesheets' ) );
}
static function stylesheets() {
if ( !self::$options->use_pagenavi_css )
return;
if ( @file_exists( get_stylesheet_directory() . '/pagenavi-css.css' ) )
$css_file = get_stylesheet_directory_uri() . '/pagenavi-css.css';
elseif ( @file_exists( get_template_directory() . '/pagenavi-css.css' ) )
$css_file = get_template_directory_uri() . '/pagenavi-css.css';
else
$css_file = plugins_url( 'pagenavi-css.css', __FILE__ );
wp_enqueue_style( 'wp-pagenavi', $css_file, false, '2.70' );
}
}