Load_TextDomain();
// Setup the Widget data
$this->WP_Widget ( False, $this->t('Sub pages'),
Array('description' => $this->t('You can add this widget to sidebars on pages to show all sub pages of the current one.')));
// Register as Widget
Add_Action ('widgets_init', Array($this, 'Register'));
}
Function Register(){
Register_Widget(get_class($this));
}
Function Load_TextDomain(){
$this->text_domain = get_class($this);
load_textdomain ($this->text_domain, DirName(__FILE__).'/language/'.get_locale().'.mo');
}
Function t ($text, $context = ''){
// Translates the string $text
If ($context == '')
return __($text, $this->text_domain);
Else
return _x($text, $context, $this->text_domain);
}
Function widget ($widget_args, $settings){
// if this isn't a page we bail out.
If ( !is_page() ) return False;
Global $post;
If ($post->post_parent != 0)
$parent = get_post($post->post_parent);
Else
$parent = False;
// predefine settings
$settings = Array_Merge( Array( 'title' => $this->t('Navigation'),
'sortby' => 'menu_order, post_title',
'exclude' => '' ),
$settings );
// Default Args for selecting sub pages
$page_args = Array( 'title_li' => '',
'child_of' => $post->ID,
'sort_column' => $settings['sortby'],
'exclude' => $settings['exclude'],
'depth' => 1,
'echo' => False );
If ($page_listing = wp_list_pages($page_args)){
// There are some sub pages
If ($settings['replace_widget_title'])
$settings['title'] = $post->post_title;
}
Else {
// there are no sub pages we try to show all pages in the same depth level.
$page_args['child_of'] = ($parent ? $parent->ID : 0);
// If the parent page is a real page its title will be our widget title
If ($parent && $settings['replace_widget_title'])
$settings['title'] = $parent->post_title;
// Read the subpages again
$page_listing = wp_list_pages($page_args);
}
// if there are no sub pages we bail out.
If ( !$page_listing ) return False;
// Widget output
Echo $widget_args['before_widget'];
// Widget title
If (!$settings['hide_widget_title'])
Echo $widget_args['before_title'] . $settings['title'] . $widget_args['after_title'];
// output Page listing
Echo '
';
Echo $page_listing;
If (!$settings['hide_upward_link'] && $parent)
Echo '