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<?php
/**
* Flexi Pages class
*
* @package: Flexi Pages Widget
* @since: 1.7
*/
class Flexi_Pages {
private $args = array();
private $pages = array();
/** Constructor **/
public function __construct( $args = array() ) {
$this->accept_args( $args );
$this->pages = $this->get_pages( $this->args );
return $this->pages;
}
private function default_args() {
return array(
'sort_column' => 'post_title',
'sort_order' => 'ASC',
'exclude' => '',
'include' => '',
'child_of' => 0,
'parent' => -1,
'show_subpages' => 2,
'hierarchy' => 1,
'depth' => 0,
'show_home' => '',
'show_date' => 0,
'date_format' => '',
);
}
private function accept_args( $args ) {
$default_args = $this->default_args();
$args = array_merge( $default_args, $args );
if( ! in_array( $args['sort_column'], array( 'post_title', 'menu_order', 'post_date', 'post_modified', 'ID', 'post_author', 'post_name' ) ) ) {
$args['sort_column'] = $default_args['sort_column'];
}
$args['sort_order'] = strtolower( $args['sort_order'] );
if( 'asc' != $args['sort_order'] && 'desc' != $args['sort_order'] ) {
$args['sort_order'] = $default_args['sort_order'];
}
if($args['include'] && $args['hierarchy']) {
$inc_array = explode(',', $args['include']);
if($args['exclude']) $exc_array = explode(',', $args['exclude']); else $exc_array = array();
$page_ids = $this->pageids();
foreach($page_ids as $page_id) {
if(!in_array($page_id, $inc_array) && !in_array($page_id, $exc_array))
$exc_array[] = $page_id;
}
$args['exclude'] = implode(',', $exc_array);
$args['include'] = '';
}
if( !is_numeric( $args['child_of'] ) ) {
$args['child_of'] = $default_args['child_of'];
}
if($args['show_subpages'] == 0)
$args['depth'] = 1;
$this->args = $args;
}
public function get_list() {
return $this->list_items( $this->pages );
}
public function get_dropdown() {
$dropdown = "<form action=\"". get_bloginfo('url') ."\" method=\"get\">\n<select name=\"page_id\" id=\"page_id\" onchange=\"top.location.href='".get_bloginfo('url')."?page_id='+this.value\">";
$dropdown .= $this->dropdown_items($this->pages);
$dropdown .= "</select><noscript><input type=\"submit\" name=\"submit\" value=\"".__('Go', 'flexipages')."\" /></noscript></form>";
return $dropdown;
}
private function list_items( $pages, $level = 0 ) {
if(!$pages)
return;
$list_items = "";
foreach($pages as $page) {
$date = "";
if(isset($page['date']) && $page['date']) $date = " ".$page['date'];
$list_items .= str_repeat("\t", $level+1).'<li class="'.$page['class'].'"><a href="'.$page['link'].'" title="'.$page['title'].'">'.$page['title'].'</a>'.$date;
if($page['children'])
$list_items .= $this->list_items($page['children'], $level+1);
$list_items.= "</li>\n";
}
if($list_items) {
$ul_class = $level? ' class="children"': "";
$list_items = str_repeat("\t", $level)."<ul{$ul_class}>\n{$list_items}".str_repeat("\t", $level)."</ul>";
}
return $list_items;
}
private function dropdown_items( $pages, $level = 0 ) {
if( ! $pages)
return;
$dropdown_items = "";
$depth = 0;
// This adds a blank default item if we are in the home page and 'show_home' is not set
if( is_home() && !( isset($this->args['show_home']) && $this->args['show_home'] ) ) {
$dropdown_items .= "<option disabled selected><option>\n";
}
foreach($pages as $page) {
$date = "";
if(isset($page['date']) && $page['date']) $date = " ".$page['date'];
if(is_page($page['ID'])) $selected = ' selected="selected"';
else $selected = '';
$dropdown_items .= str_repeat("\t", $depth+1).'<option class="level-'.$level.'" value="'.$page['ID'].'"'.$selected.'>'.str_repeat(" ", $level).$page['title'].$date.'</option>'."\n";
if($page['children'])
$dropdown_items .= $this->dropdown_items($page['children'], $level+1);
}
return $dropdown_items;
}
private function get_pages( $args = array(), $level = 1 ) {
$page_array = array();
if( isset( $args['show_home'] ) && $args['show_home'] ) {
$class = "home_page";
$class .= is_home()?" current_page_item":"";
$page_array[] = array(
'ID' => 'home',
'title' => $args['show_home'],
'link' => get_bloginfo('url'),
'children' => array(),
'class' => $class,
);
}
if($args['show_subpages'] == -2) $args['show_subpages'] = 2;
if($args['show_subpages'] == -3) $args['show_subpages'] = 3;
if($args['show_subpages'] == 0) $args['depth'] = 1;
if(isset($args['hierarchy']) && ($args['hierarchy'] == '0' || $args['hierarchy'] == 'off'))
$args['depth'] = -1;
$args['parent'] = ($args['depth'] == -1)?"-1":$args['child_of'];
$pages = get_pages( array(
'child_of' => $args['child_of'],
'parent' => $args['parent'],
'exclude' => $args['exclude'],
'include' => $args['include'],
'sort_column' => $args['sort_column'],
'sort_order' => $args['sort_order'],
) );
$currpage_hierarchy = $this->get_currpage_hierarchy();
if( $args['show_date'] && ( !$args['date_format'] || 'default' == $args['date_format'] ) )
$args['date_format'] = get_option('date_format');
if($pages) {
foreach($pages as $page) {
if(
$args['show_subpages'] == 3
&& !in_array($page->ID, $currpage_hierarchy)
&& ( !isset($currpage_hierarchy[0]) || $page->post_parent != $currpage_hierarchy[0] )
&& ( !isset($currpage_hierarchy[1]) || $page->post_parent != $currpage_hierarchy[1] )
&& $page->post_parent != 0
)
continue;
$children = array();
if( !($args['depth'] == -1 || $args['depth'] == $level) &&
!($args['show_subpages'] == 2 && !in_array($page->ID, $currpage_hierarchy)) &&
!$args['include']) {
$children = $this->get_pages(
array(
'child_of' => $page->ID,
'parent' => $page->ID,
'sort_column' => $args['sort_column'],
'sort_order' => $args['sort_order'],
'exclude' => $args['exclude'],
'include' => $args['include'],
'show_subpages' => $args['show_subpages'],
'depth' => $args['depth'],
'show_date' => $args['show_date'],
'date_format' => $args['date_format'],
),
$level+1
);
}
$date = '';
if($args['show_date']) {
$x = explode(" ", $page->post_date);
$y = explode("-", $x[0]);
$date = date($args['date_format'], mktime(0, 0, 0, $y[1], $y[2], $y[0]));
}
$class = "page_item page-item-".$page->ID;
if(is_page($page->ID))
$class .= " current_page_item";
else if(isset($currpage_hierarchy[1]) && $page->ID == $currpage_hierarchy[1])
$class .= " current_page_ancestor current_page_parent";
else if(in_array($page->ID, $currpage_hierarchy))
$class .= " current_page_ancestor";
$page_array[] = array (
'ID' => $page->ID,
'title' => $page->post_title,
'link' => get_page_link($page->ID),
'date' => $date,
'children' => $children,
'class' => $class
);
}
}
return $page_array;
}
private function get_currpage_hierarchy()
{
if(is_home() && !is_front_page()) {
if($curr_page_id = get_option('page_for_posts')) {
$curr_page = get_post($curr_page_id);
$curr_page = &$curr_page;
}
else return array();
}
else if( is_page() ) {
global $wp_query;
if($curr_page_id = $wp_query->get_queried_object_id())
$curr_page = get_post($curr_page_id);
$curr_page = &$curr_page;
}
else
return array();
// get parents, grandparents of the current page
$hierarchy[] = $curr_page->ID;
while($curr_page->post_parent) {
$curr_page = get_post($curr_page->post_parent);
$curr_page = &$curr_page;
$hierarchy[] = $curr_page->ID;
}
return $hierarchy;
}
private function pageids()
{
global $wpdb;
$page_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type = 'page' AND post_status = 'publish'" );
return $page_ids;
}
}
?>