<?php
if ( !defined('ABSPATH')) exit; // Exit if accessed directly
/* Aspen - runtime utils
 *
 * needed both at admin time and runtime
 */

// # CONTENTS

// # OPTIONS
// # PER PAGE OPTIONS
// # WIDGET AREA OPTIONS
// # HTML CODE AREAS
// # RUNTIME SAPI HELPER FUNCTIONS
// # PAGE WITH POSTS
// # FILTERS
// # MISC
// # OTHER UTILS

// # Aspen Globals ==============================================================
$aspen_opts_cache = false;	// internal cache for all settings
$aspen_cur_page_ID = false;	// the ID of the current page
$aspen_cur_post_id = false;	// the ID of the current page
$aspen_cur_post_count = 0;	// to keep track of even/odd
$aspen_cur_template = '';	// current page template - set in functions.php setup
$aspen_crumbs = false;
$aspen_header = array();	// as of WP 3.4
$aspen_sticky = false;
$aspen_header_who = '';

// # OPTIONS ==============================================================


function aspen_getopt($opt) {
	global $aspen_opts_cache;
	aspen_opt_cache();

	if (!isset($aspen_opts_cache[$opt])) {	// handles changes to data structure
        return false;
	}
	return $aspen_opts_cache[$opt];
}

function aspen_getopt_checked($opt) {
	global $aspen_opts_cache;
	aspen_opt_cache();

	if (!isset($aspen_opts_cache[$opt])) {	// handles changes to data structure
        return false;
	}
	if (!$aspen_opts_cache[$opt]) return false;
	return true;
}

function aspen_setopt($opt, $val, $save = true) {
	global $aspen_opts_cache;
	if (!$aspen_opts_cache) {
		$aspen_opts_cache = get_option( apply_filters('aspen_options','aspen_settings') ,array());
	}

	$aspen_opts_cache[$opt] = $val;
	if ($save)
        aspen_wpupdate_option('aspen_settings',$aspen_opts_cache);
}

function aspen_delete_all_options() {
	global $aspen_opts_cache;
	$aspen_opts_cache = false;
	if (current_user_can( 'manage_options' ))
        delete_option( apply_filters('aspen_options','aspen_settings') );
}

function aspen_wpupdate_option($name,$opts) {
	if (current_user_can( 'manage_options' ))
        update_option(apply_filters('aspen_options',$name), $opts);
}

function aspen_update_options($id) {
	global $aspen_opts_cache;
	if (!$aspen_opts_cache)
		$aspen_opts_cache = get_option( apply_filters('aspen_options','aspen_settings') ,array());
	aspen_wpupdate_option('aspen_settings',$aspen_opts_cache);
}


function aspen_save_opts($who='', $bump = true) {
	// Save options
	// Here's the strategy. Using aspen_getopt always loads the cache if it hasn't been.
	// Using aspen_setopt will save the cache to the database by default
	// So we take advantage of this by bumping the style version, and using aspen_setopt,
	// which saves to the database

	$vers = aspen_getopt('style_version');

	if ($bump) $vers = $vers ? $vers + 1 : 1;	// bump or init

	aspen_setopt('style_version',$vers, $bump);	// update options, style version

	if (aspen_f_file_access_available()) {	// and now is the time to update the style file
        require_once('generatecss.php');
        aspen_save_current_css();
	}
}

function aspen_e_opt($opt,$str) {
	if (aspen_getopt_checked($opt))
		echo $str;
}

function aspen_e_notopt($opt,$str) {
	if (!aspen_getopt_checked($opt))
		echo $str;
}

// # PER PAGE OPTIONS =========================================================
function aspen_get_per_page_value($name) {
	global $aspen_cur_page_ID;
	return get_post_meta($aspen_cur_page_ID,$name,true);
}

function aspen_get_per_post_value($meta_name) {
	global $aspen_cur_post_id;
	return get_post_meta($aspen_cur_post_id,$meta_name,true);  // retrieve meta value
}

function aspen_is_checked_post_opt($meta_name) {
	// the standard is to check options to hide things
	global $aspen_cur_post_id;

	$val = get_post_meta($aspen_cur_post_id,$meta_name,true);  // retrieve meta value
	if (!empty($val)) return true;		// value exists - 'on'
	return false;
}

function aspen_is_checked_page_opt($meta_name) {
	// the standard is to check options to hide things
	global $aspen_cur_page_ID;

	$val = get_post_meta($aspen_cur_page_ID,$meta_name,true);  // retrieve meta value
	if (!empty($val)) return true;		// value exists - 'on'
	return false;
}

function aspen_page_posts_error($info='') {
	echo('<h2 style="color:red;">WARNING: error defining Custom Field on Page with Posts.</h2>');
	if (strlen($info) > 0) echo('More info: '.$info.'<br />');
}


// # RUNTIME SAPI HELPER FUNCTIONS ============================================

function aspen_sapi_options_init() {
	/* this will initialize the SAPI stuff, must be called from the admin_init cb function .
	In reality, we really only need to register one setting - 'aspen_main_settings_group',
	and the settings will be saved in the WP DB as 'aspen_main_settings'. The SAPI uses
	the name param of any <input> fields to figure out where to store the input value.

	The validation will have to scan the ENTIRE list of options and lookup the kind of
	validation each parameter needs.
	*/

	register_setting('aspen_settings_group',	/* the group name of our settings */
	apply_filters('aspen_options','aspen_settings'),	/* the get_option name */
	'aspen_validate_cb');			/* a validation call back */
}

function aspen_validate_cb($in) {
	// keep the definition in runtime, load as needed at admin time
require_once( dirname( __FILE__ ) . '/lib-admin.php' );

	return aspen_validate_all_options($in);
}

/*
	================= nonce helpers =====================
*/
function aspen_submitted($submit_name) {
	// do a nonce check for each form submit button
	// pairs 1:1 with aspen_nonce_field
	$nonce_act = $submit_name.'_act';
	$nonce_name = $submit_name.'_nonce';

	if (isset($_POST[$submit_name])) {
        if (isset($_POST[$nonce_name]) && wp_verify_nonce($_POST[$nonce_name],$nonce_act)) {
            return true;
        } else {
            die("WARNING: invalid form submit detected ($submit_name). Probably caused by session time-out, or, rarely, a failed security check. Please contact AspenTheme.com if you continue to receive this message.");
        }
	} else {
        return false;
	}
}

function aspen_nonce_field($submit_name,$echo = true) {
	// pairs 1:1 with sumbitted
	// will be one for each form submit button

	return wp_nonce_field($submit_name.'_act',$submit_name.'_nonce',$echo);
}

// # PAGE WITH POSTS ==============================================================

function aspen_get_page() {
	/* get the current posts display number
	  needed for when Page with Posts is front page
	*/
	$paged = get_query_var('paged');
	if (!isset($paged) || empty($paged)) {
		$paged = 1;
	}
	$page = get_query_var( 'page' );
	if ( $page > 1)
        $paged = $page;
	return $paged;
}

function aspen_setup_post_args($args) {
   /* setup WP_Query arg list */

	$cats = aspen_get_page_categories();
	if (!empty($cats)) $args['cat'] = $cats;

	$tags = aspen_get_page_tags();
	if (!empty($tags)) $args['tag'] = $tags;

	$onepost = aspen_get_page_onepost();
	if (!empty($onepost)) $args['name'] = $onepost;

	$orderby = aspen_get_page_orderby();
	if (!empty($orderby)) $args['orderby'] = $orderby;

	$order = aspen_get_page_order();
	if (!empty($order)) $args['order'] = $order;

	$author_name = aspen_get_page_author();
	if (!empty($author_name)) {
	$nosp = str_replace(' ', '', $author_name);
	$id_list=str_replace(',','',$nosp);
	if (is_numeric($id_list)) {
		$args['author'] = $author_name;
	} else {
		$args['author_name'] = $author_name;
	}
	}

	$posts_per_page = aspen_get_page_posts_per();
	if (!empty($posts_per_page)) $args['posts_per_page'] = $posts_per_page;

	$post_type = aspen_get_per_page_value('pp_post_type');
	if ($post_type)
        $args['post_type'] = $post_type;

	if (aspen_is_checked_page_opt('pp_hide_sticky')) $args['ignore_sticky_posts'] = true;

	return $args;
}

function aspen_get_page_categories() {
	$cats = aspen_get_per_page_value('pp_category');
	if (empty($cats)) return '';
	// now convert slugs to ids
	return aspen_cat_slugs_to_ids($cats);
}

function aspen_cat_slugs_to_ids($cats) {
	if (empty($cats)) return '';
	// now convert slugs to numbers
	$cats = str_replace(' ','',$cats);
	$clist = explode(',',$cats);	// break into a list
	$cat_list = '';
	foreach ($clist as $slug) {
	$neg = 1;	// not negative
	if ($slug[0] == '-') {
		$slug = substr($slug,1);	// zap the -
		$neg = -1;
	}
	if (strlen($slug) > 0 && is_numeric($slug)) { // allow both slug and id
		$cat_id = $neg * (int)$slug;
		if ($cat_list == '') $cat_list = strval($cat_id);
		else $cat_list .= ','.strval($cat_id);
	} else {
		$cur_cat = get_category_by_slug($slug);
		if ($cur_cat) {
            $cat_id = $neg * (int)$cur_cat->cat_ID;
            if ($cat_list == '') $cat_list = strval($cat_id);
            else $cat_list .= ','.strval($cat_id);
		}
	}
	}
	if (empty($cat_list)) $cat_list='99999999';
	return $cat_list;
}

function aspen_get_page_tags() {
	$tags = aspen_get_per_page_value('pp_tag');
	if (empty($tags)) return '';
	return str_replace(' ','',$tags);
}
function aspen_get_page_onepost() {
	$the_post = aspen_get_per_page_value('pp_onepost');
	if (empty($the_post)) return '';
	return $the_post;
}
function aspen_get_page_orderby() {
	$orderby = aspen_get_per_page_value('pp_orderby');
	if (empty($orderby)) return '';

	if ($orderby == 'author' || $orderby == 'date' || $orderby == 'title' || $orderby == 'rand')
		return $orderby;
	aspen_page_posts_error('orderby must be author, date, title, or rand. You used: '. $orderby);
	return '';
}
function aspen_get_page_order() {
	$order = aspen_get_per_page_value('pp_sort_order');
	if (empty($order)) return '';
	if ($order == 'ASC' || $order == 'DESC')
		return $order;
	aspen_page_posts_error('order value must be ASC or DESC. You used: '. $order);
	return '';
}
function aspen_get_page_posts_per() {
	$ppp = aspen_get_per_page_value('pp_posts_per_page');
	if (empty($ppp)) return '';
	// now convert slugs to numbers
	return $ppp;
}
function aspen_get_page_author() {
	$author = aspen_get_per_page_value('pp_author');
	if (empty($author)) return '';
	return $author;
}


function aspen_add_q($q, $item, $tag='') {
	if ($item == '') return $q;

	if (!empty($q))
		return $q . '&' . $tag . $item;
	else
        return $tag . $item;
}

// # FILTERS ==============================================================

//  ============ validation filters ===============

function aspen_filter_textarea( $text ) {
	// virtually all option text input from Aspen can be code, and thus must not be
	// content filtered. Treat like code for now....
	return aspen_filter_code($text);
}

function aspen_esc_textarea($text) {
	echo esc_textarea(stripslashes($text));
}

function aspen_filter_code( $text ) {
	static $aspen_allowedadmintags = array(
		'address' => array(),
		'a' => array(
			'class' => array (),
			'href' => array (),
			'id' => array (),
			'title' => array (),
			'rel' => array (),
			'rev' => array (),
			'name' => array (),
			'target' => array()),
		'abbr' => array(
			'class' => array (),
			'title' => array ()),
		'acronym' => array(
			'title' => array ()),
		'article' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'aside' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'b' => array(),
		'big' => array(),
		'blockquote' => array(
			'id' => array (),
			'cite' => array (),
			'class' => array(),
			'lang' => array(),
			'xml:lang' => array()),
		'br' => array (
			'class' => array ()),
		'button' => array(
			'disabled' => array (),
			'name' => array (),
			'type' => array (),
			'value' => array ()),
		'caption' => array(
			'align' => array (),
			'class' => array ()),
		'cite' => array (
			'class' => array(),
			'dir' => array(),
			'lang' => array(),
			'title' => array ()),
		'code' => array (
			'style' => array()),
		'col' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'span' => array (),
			'dir' => array(),
			'style' => array (),
			'valign' => array (),
			'width' => array ()),
		'del' => array(
			'datetime' => array ()),
		'dd' => array(),
		'details' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'open' => array (),
			'style' => array (),
			'xml:lang' => array(),
		),
		'div' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array()),
		'dl' => array(),
		'dt' => array(),
		'em' => array(),
		'fieldset' => array(),
		'figure' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'figcaption' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'font' => array(
			'color' => array (),
			'face' => array (),
			'size' => array ()),
		'footer' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'form' => array(
			'action' => array (),
			'accept' => array (),
			'accept-charset' => array (),
			'enctype' => array (),
			'method' => array (),
			'name' => array (),
			'target' => array ()),
		'h1' => array(
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'h2' => array (
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'h3' => array (
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'h4' => array (
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'h5' => array (
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'h6' => array (
			'align' => array (),
			'class' => array (),
			'id'    => array (),
			'style' => array ()),
		'header' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'hr' => array (
			'align' => array (),
			'class' => array (),
			'noshade' => array (),
			'size' => array (),
			'width' => array ()),
		'i' => array(),
		'img' => array(
			'alt' => array (),
			'align' => array (),
			'border' => array (),
			'class' => array (),
			'height' => array (),
			'hspace' => array (),
			'longdesc' => array (),
			'vspace' => array (),
			'src' => array (),
			'style' => array (),
			'width' => array ()),
		'ins' => array(
			'datetime' => array (),
			'cite' => array ()),
		'kbd' => array(),
		'label' => array(
			'for' => array ()),
		'legend' => array(
			'align' => array ()),
		'li' => array (
			'align' => array (),
			'class' => array ()),
        'link' => array(),
		'menu' => array (
			'class' => array (),
			'style' => array (),
			'type' => array ()),
        'meta' => array(),
		'nav' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'p' => array(
			'class' => array (),
			'align' => array (),
			'dir' => array(),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array()),
		'pre' => array(
			'style' => array(),
			'width' => array ()),
		'q' => array(
			'cite' => array ()),
		's' => array(),
		//'script' => array(),	// only admin or multi-site super-admin can add scripts
		'span' => array (
			'class' => array (),
			'dir' => array (),
			'align' => array (),
			'lang' => array (),
			'style' => array (),
			'title' => array (),
			'xml:lang' => array()),
		'section' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'strike' => array(),
		'strong' => array(),
		'style' => array(),
		'sub' => array(),
		'summary' => array(
			'align' => array (),
			'class' => array (),
			'dir' => array (),
			'lang' => array(),
			'style' => array (),
			'xml:lang' => array(),
		),
		'sup' => array(),
		'table' => array(
			'align' => array (),
			'bgcolor' => array (),
			'border' => array (),
			'cellpadding' => array (),
			'cellspacing' => array (),
			'class' => array (),
			'dir' => array(),
			'id' => array(),
			'rules' => array (),
			'style' => array (),
			'summary' => array (),
			'width' => array ()),
		'tbody' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'valign' => array ()),
		'td' => array(
			'abbr' => array (),
			'align' => array (),
			'axis' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'colspan' => array (),
			'dir' => array(),
			'headers' => array (),
			'height' => array (),
			'nowrap' => array (),
			'rowspan' => array (),
			'scope' => array (),
			'style' => array (),
			'valign' => array (),
			'width' => array ()),
		'textarea' => array(
			'cols' => array (),
			'rows' => array (),
			'disabled' => array (),
			'name' => array (),
			'readonly' => array ()),
		'tfoot' => array(
			'align' => array (),
			'char' => array (),
			'class' => array (),
			'charoff' => array (),
			'valign' => array ()),
		'th' => array(
			'abbr' => array (),
			'align' => array (),
			'axis' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'colspan' => array (),
			'headers' => array (),
			'height' => array (),
			'nowrap' => array (),
			'rowspan' => array (),
			'scope' => array (),
			'valign' => array (),
			'width' => array ()),
		'thead' => array(
			'align' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'valign' => array ()),
		'title' => array(),
		'tr' => array(
			'align' => array (),
			'bgcolor' => array (),
			'char' => array (),
			'charoff' => array (),
			'class' => array (),
			'style' => array (),
			'valign' => array ()),
		'tt' => array(),
		'u' => array(),
		'ul' => array (
			'class' => array (),
			'style' => array (),
			'type' => array ()),
		'ol' => array (
			'class' => array (),
			'start' => array (),
			'style' => array (),
			'type' => array ()),
		'var' => array ());
	// virtually all option input from Aspen can be code, and thus must not be
	// content filtered. The utf8 check is about the extent of it, although even
	// that is more restrictive than the standard text widget uses.
	// Note: this check also works OK for simple checkboxes/radio buttons/selections,
	// so it is ok to blindly pass those options in here, too.
	$noslash = trim(stripslashes($text));
	if ($noslash == ' ') return '';

	if ( current_user_can('unfiltered_html') ) {
		return wp_check_invalid_utf8( $noslash );
	} else if (current_user_can('add_users')) {
        return wp_kses( $text , $aspen_allowedadmintags);
	} else {
        return stripslashes( wp_filter_post_kses( addslashes($text) ) ); // wp_filter_post_kses() expects slashed
	}
}

// # MISC ==============================================================
function aspen_media_lib_button($fillin = '') {
?>
&nbsp;&larr;&nbsp;<a style='text-decoration:none;' href="javascript:aspen_media_lib('<?php echo $fillin;?>');" ><img src="<?php echo esc_url(aspen_relative_url('images/theme/media-button.png')); ?>" title="Select image from Media Library. Click 'Insert into Post' to paste url here." alt="media" /></a>
<?php
}


function aspen_site($sub='', $site = 'http://aspentheme.com', $title = '') {
	if ($site == '') $site = 'http://aspentheme.com';
	if ($title == '') $title = $site;
	echo '<a href="' . esc_url($site . $sub) . '" target="_blank" title="' . $title . '">';
}

function aspen_post_count_clear() {
	global $aspen_cur_post_count;
	$aspen_cur_post_count = 0;
}

function aspen_post_count_bump() {
	global $aspen_cur_post_count;
	$aspen_cur_post_count++;
}

function aspen_post_count() {
	global $aspen_cur_post_count;
	return $aspen_cur_post_count;
}

function aspen_post_count_class($hidecount = false) {
	global $aspen_cur_post_count;
	global $aspen_sticky;

	if ($aspen_sticky)	// For page with posts - re-ordering sticky posts
        $postclass = 'sticky ';
	else
        $postclass = ' ';

	if ($aspen_cur_post_count == 0 || $hidecount) return $postclass;
	return $postclass . 'post-' . (($aspen_cur_post_count % 2) ? 'odd' : 'even') . ' post-order-' . $aspen_cur_post_count;
}

function aspen_hide_page_title() {
	if (aspen_is_checked_page_opt('pp_hide_page_title')) {
        echo ' aspen-hide';	// is included in a class=
	}
}

function aspen_use_inline_css($css_file) {
	return aspen_getopt_checked('_inline_style') || !aspen_f_file_access_available()
        || !aspen_f_exists($css_file);
}

function aspen_allow_multisite() {
	// return true if it is allowed to use on MultiSite

	$restrict =  (defined('ASPEN_MULTISITE_RESTRICT_OPTIONS')) ? ASPEN_MULTISITE_RESTRICT_OPTIONS : false;

	return ((!is_multisite() && current_user_can('install_themes'))
	|| (is_multisite() && current_user_can('manage_network_themes'))
	|| !$restrict);
}

function aspen_help_link($link, $info) {
	$t_dir = aspen_relative_url('');
	$pp_help =  '<a href="' . esc_url($t_dir . 'help/' . $link) . '" target="_blank" title="' . $info . '">'
		. '<img class="entry-cat-img" src="' . esc_url($t_dir . 'images/icons/help-1.png') . '" style="position:relative; top:4px; padding-left:4px;" title="Click for help" alt="Click for help" /></a>';
	echo($pp_help);
}

function aspen_html_br() {
	echo ' <br /> ';
}

function aspen_compact_post() {
	return aspen_getopt('compact_post_formats') || aspen_is_checked_page_opt('pp_pwp_compact');
}

function aspen_get_first_post_image($content='') {
	if (has_post_thumbnail()) {
        $img = wp_get_attachment_image_src( get_post_thumbnail_id( ), 'medium' );
        return '<img class="format-image-img" src="' . esc_url($img[0]) . '" "alt="post image" />';
	}

	if ($content == '')
        $content = do_shortcode(apply_filters( 'the_content', get_the_content('')));	// pick up wp 3.6 post format meta image
	if (preg_match('/<img[^>]+>/i',$content, $images)) {	// grab <img>s
        $src = '';
        if (preg_match('/src="([^"]*)"/', $images[0], $srcs)) {
            $src = $srcs[0];
        } else if (preg_match("/src='([^']*)'/", $images[0], $srcs)) {
            $src = $srcs[0];
        }
        return '<img class="format-image-img" ' . $src . 'alt="post image" />';
	} else {
        return '';
	}
}

function aspen_compact_link($check = '') {
	if ($check == 'check' && !aspen_is_checked_post_opt('pp_post_add_link'))
        return;

	$link_img =  aspen_relative_url('') . 'images/icons/expand.png';
?>
	<div><a href="<?php esc_url(the_permalink()); ?>" title="<?php the_title_attribute( 'echo=1' ); ?>" rel="bookmark">
<img src="<?php echo esc_url($link_img); ?>" /></a></div>
<?php
}

/* Breadcrumbs
 * Credit: Dimox
 *	http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
 */
if (!function_exists('aspen_breadcrumb')) {
function aspen_breadcrumb($echo = true, $wrap = 'breadcrumbs') {
	$bc = '';

	$containerBefore = '<span id="' . $wrap . '">';
	$containerAfter = '</span>';
	$containerCrumb = '<span class="crumbs">';
	$containerCrumbEnd = '</span>';
	$delimiter = '&rarr;'; //' &raquo; ';
	$name = aspen_getopt('info_home_label') ? aspen_getopt('info_home_label') : __('Home','aspen'); //text for the 'Home' link
	$blogname = aspen_getopt('info_blog_label') ? aspen_getopt('info_blog_label') : __('Blog','aspen'); //text for the 'Blog' link
	$baseLink = '';
	$hierarchy = '';
	$currentLocation = '';
	$currentBefore = '<span class="bcur-page">';
	$currentAfter = '</span>';
	$currentLocationLink = '';
	$crumbPagination = '';

	global $post;

	$bc = '';
	// Output the Base Link
	if (is_front_page() ) {
	$bc .= $currentBefore . $name . $currentAfter;
	} else {
	$home = home_url('/');
	$baseLink =  '<a href="' . esc_url($home) . '">' . $name . '</a>';
	$bc .= $baseLink;
	}
	// If static Page as Front Page, and on Blog Posts Index
	if ( is_home() && ( 'page' == get_option( 'show_on_front' ) ) ) {
        $bc .= $delimiter . $currentBefore . $blogname . $currentAfter;
	}
	// Aspen mod: check 'page_for_posts' when using PwP without setting blog host page
	// If static Page as Front Page, and on Blog, output Blog link
	if ( ! is_home() && ! is_page() && ! is_front_page() && ( 'page' == get_option( 'show_on_front' ) ) && get_option( 'page_for_posts' ) ) {
        $blogpageid = get_option( 'page_for_posts' );
        $bloglink = '<a href="' . esc_url(get_permalink( $blogpageid )) . '">' .  $blogname . '</a>';
        $bc .= $delimiter . $bloglink;
	}

	// Define Category Hierarchy Crumbs for Category Archive
	if ( is_category() ) {
	global $wp_query;
	if (is_object($wp_query->get_queried_object())) {
		$cat_obj = $wp_query->get_queried_object();
		$thisCat = $cat_obj->term_id;
		$thisCat = get_category($thisCat);
		$parentCat = get_category($thisCat->parent);
		if ($thisCat->parent != 0) {
            $hierarchy = ( $delimiter . __( 'Categories','aspen') . ' ' . get_category_parents( $parentCat, TRUE, $delimiter ) );
		} else {
            $hierarchy = $delimiter . __( 'Categories','aspen') . ' ';
		}
	} else {
		$hierarchy = '';
	}
	// Set $currentLocation to the current category
	$currentLocation = single_cat_title( '' , FALSE );

	}
	// Define Crumbs for Day/Year/Month Date-based Archives
	elseif ( is_date() ) {
        // Define Year/Month Hierarchy Crumbs for Day Archive
        if  ( is_day() ) {
            $date_string = '<a href="' . esc_url(get_year_link(get_the_time('Y'))) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ' . '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ';
            $date_string .= $delimiter . ' ';
            $currentLocation = get_the_time('d');
        }
        // Define Year Hierarchy Crumb for Month Archive
        elseif ( is_month() ) {
            $date_string = '<a href="' . esc_url(get_year_link(get_the_time('Y'))) . '">' . get_the_time('Y') . '</a> ';
            $date_string .= $delimiter . ' ';
            $currentLocation = get_the_time('F');
        }
        // Set CurrentLocation for Year Archive
        elseif ( is_year() ) {
            $date_string = '';
            $currentLocation = get_the_time('Y');
        }
        $hierarchy = $delimiter . __( 'Published','aspen') . ' ' . $date_string ;
	}
	// Define Category Hierarchy Crumbs for Single Posts
	elseif ( is_single() && !is_attachment() ) {
        $cats = get_the_category();
        if ($cats)
            $cur_cat = $cats[0];
        else
            $cur_cat = '';
        foreach ($cats as $cat) {
            $children = get_categories( array ('parent' => $cat->term_id ));
            if (count($children) == 0) {
            $cur_cat = $cat;
            break;
            }
        }
        if ($cur_cat) {
            $hierarchy = $delimiter . get_category_parents( $cur_cat, TRUE, $delimiter );
        } else {
            $hierarchy = $delimiter . '';
        }
            // Note: get_the_title() is filtered to output a
            // default title if none is specified
            $currentLocation = get_the_title();
	}
	// Define Category and Parent Post Crumbs for Post Attachments
	elseif ( is_attachment() ) {
        $parent = get_post($post->post_parent);
        $cat_parents = '';
        if ( get_the_category($parent->ID) ) {
            $cat = get_the_category($parent->ID);
            $cat = $cat ? $cat[0] : '';
            $cat_parents = get_category_parents( $cat, TRUE, $delimiter );
        }
        $hierarchy = $delimiter . $cat_parents . '<a href="' . esc_url(get_permalink($parent)) . '">' . $parent->post_title . '</a> ' . $delimiter;
        // Note: Titles are forced for attachments; the
        // filename will be used if none is specified
        $currentLocation = get_the_title();
	}
	// Define Current Location for Parent Pages
	elseif ( ! is_front_page() && is_page() && ! $post->post_parent ) {
        $hierarchy = $delimiter;
        // Note: get_the_title() is filtered to output a
        // default title if none is specified
        $currentLocation = get_the_title();
	}
	// Define Parent Page Hierarchy Crumbs for Child Pages
	elseif ( ! is_front_page() && is_page() && $post->post_parent ) {
        $parent_id  = $post->post_parent;
        $breadcrumbs = array();
        while ($parent_id) {
            $page = get_page($parent_id);
            $breadcrumbs[] = '<a href="' . esc_url(get_permalink($page->ID)) . '">' . get_the_title($page->ID) . '</a>';
            $parent_id  = $page->post_parent;
        }
        $breadcrumbs = array_reverse($breadcrumbs);
        foreach ($breadcrumbs as $crumb) {
            $hierarchy = $hierarchy . $delimiter . $crumb;
        }
        $hierarchy = $hierarchy . $delimiter;
        // Note: get_the_title() is filtered to output a
        // default title if none is specified
        $currentLocation = get_the_title();
	}
	// Define current location for Search Results page
	elseif ( is_search() ) {
        $hierarchy = $delimiter . __('Search Results','aspen') . ' ';
        $currentLocation = get_search_query();
	}
	// Define current location for Tag Archives
	elseif ( is_tag() ) {
        $hierarchy = $delimiter . __( 'Tags','aspen') . ' ';
        $currentLocation = single_tag_title( '' , FALSE );
	}
	// Define current location for Author Archives
	elseif ( is_author() ) {
        $hierarchy = $delimiter . __( 'Author','aspen') . ' ';
        $currentLocation = get_the_author_meta( 'display_name', get_query_var( 'author' ) );
	}
	// Define current location for 404 Error page
	elseif ( is_404() ) {
        $hierarchy = $delimiter . __( '404','aspen') . ' ';
        $currentLocation = __( 'Page not found','aspen');
	}
	// Define current location for Post Format Archives
	elseif ( get_post_format() && ! is_home() ) {
        $hierarchy = $delimiter . __( 'Post Formats','aspen') . ' ';
        $currentLocation = get_post_format_string( get_post_format() ) . 's';
	}

// Build the Current Location Link markup
	$currentLocationLink = $currentBefore . $currentLocation . $currentAfter;

// Define breadcrumb pagination

// Define pagination for paged Archive pages
	if ( get_query_var('paged') && ! function_exists( 'wp_paginate' ) ) {
        $crumbPagination = ' - ' . __('Page','aspen') . ' ' . get_query_var('paged');
	}

 // Define pagination for Paged Posts and Pages
	if ( get_query_var('page') ) {
        $crumbPagination = ' - ' . __('Page','aspen') . ' ' . get_query_var('page') . ' ';
	}

// Output the resulting Breadcrumbs

	$bc .= $hierarchy; // Output Hierarchy
	$bc .= $currentLocationLink; // Output Current Location
	$bc .= $crumbPagination; // Output page number, if Post or Page is paginated

	if (is_rtl()) {
        $list = explode($delimiter,$bc);	// split on the arrow
        $list = array_reverse($list);
        $larrow = '&larr;';
        $bc = implode($larrow,$list);
	}
	// Wrap crumbs
	$bc = $containerBefore . $containerCrumb . $bc . $containerCrumbEnd . $containerAfter;

	if ($echo) echo $bc;
	else return $bc;
	return '';
}
}

/**
 * Paginate Archive Index Page Links
 *
 * Code based on codex examples
 */

if (!function_exists('aspen_get_paginate_archive_page_links')) {
function aspen_get_paginate_archive_page_links( $type = 'plain', $endsize = 1, $midsize = 1 ) {
		global $wp_query, $wp_rewrite;

    if ( isset( $wp_query->query_vars['paged'] )) {
        $wp_query->query_vars['paged'] > 1 ? $current = $wp_query->query_vars['paged'] : $current = 1;
    } else {
        $current = 1;
    }

	// Sanitize input argument values
	if ( ! in_array( $type, array( 'plain', 'list', 'array' ) ) ) $type = 'plain';
	$endsize = (int) $endsize;
	$midsize = (int) $midsize;

	$big = 999999999;	// from codex - an unlikely number, then str_replace. Makes archive no permalinks work

	if (is_search()) { // works for search on non-permalinks...
		$base = '%_%';
	} else {
		$base = str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) );
	}

	// Setup argument array for paginate_links()
	$pagination = array(
		'base' =>  $base,
		'format' => '?paged=%#%',
		'total' => $wp_query->max_num_pages,
		'current' => $current,
		'show_all' => false,
		'end_size' => $endsize,
		'mid_size' => $midsize,
		'type' => $type,
		'prev_text' => '&lt;&lt;',
		'next_text' => '&gt;&gt;'
	);

	if ( !empty($wp_query->query_vars['s']) )
		$pagination['add_args'] = array( 's' => get_query_var( 's' ) );

	return paginate_links( $pagination );
}
}

// # MOBILE ===================================================================

function aspen_use_sf() {
	return aspen_getopt('use_superfish');
}

// ============================ MOBILE MENU ======================================
function aspen_mobile_menu_bar($mobile_id, $menu_id, $nohome = '') {
	// alternatives for slide open menu
	$home = aspen_getopt('mobile_slide_home_label');
	if (!$home) $home = __('Home','aspen');

	$menu_label = ($nohome != 'no-home') ? aspen_getopt('mobile_slide_nav_label') :
	aspen_getopt('mobile_slide_nav_label_sec')    ;	// use 'mobile_slide_nav_label_sec' for top menu

	if (!$menu_label) $menu_label = __('Menu','aspen');

    $mm_class = 'mobile-menu-link';
	$img_hide = $menu_label . ' &uarr;';
	$img_show = $menu_label . ' &darr;';
	$img_toggle = $img_show;

    if (aspen_getopt('mobile_menu_icon')) {
        $mm_class = 'mobile-menu-link-icon';
        $img_hide = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
        $img_show = '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';
        $img_toggle = $img_show;
    }
?>
<div id="<?php echo $mobile_id; ?>" class="mobile_menu_bar" style="padding:5px 10px 5px 10px;clear:both;">
	<div style="margin-bottom:20px;">
<?php
	if ($nohome != 'no-home') {
?>
<span class="mobile-home-link">
	<a href="<?php echo esc_url( home_url( '/' ) ); ?>" title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>" rel="home"><?php echo $home; ?></a></span>
<?php
	}
?>
	<span class="<?php echo $mm_class; ?>"><a href="javascript:void(null);" onclick="aspen_ToggleMenu(document.getElementById('<?php echo $menu_id; ?>'), this, '<?php echo $img_show; ?>', '<?php echo $img_hide; ?>')"><?php echo $img_toggle; ?></a></span></div>
</div>
<?php
}

// # OTHER UTILS ==============================================================

function aspen_relative_url($subpath){
	// generate a relative URL from the site's root
	return parse_url(trailingslashit(get_template_directory_uri()) . $subpath,PHP_URL_PATH);
}

function aspen_filter_css($css) {
	// filter user added CSS for root relative file paths

	if (strpos($css, '%template_directory%') !== false)
        $css = str_replace('%template_directory%',
            parse_url(trailingslashit(get_template_directory_uri()),PHP_URL_PATH) ,
            $css);
	if (strpos($css, '%stylesheet_directory%') !== false)
        $css = str_replace('%stylesheet_directory%',
            parse_url(trailingslashit(get_stylesheet_directory_uri()),PHP_URL_PATH) ,
            $css);
	if (strpos($css, '%addon_directory%') !== false)
        $css = str_replace('%addon_directory%' ,
            parse_url(trailingslashit(aspen_f_uploads_base_url()) . 'aspen-subthemes/addon-subthemes/',PHP_URL_PATH),
            $css);

	return $css;
}
add_filter('aspen_css','aspen_filter_css');

// =============================== transient options =============================
if (!function_exists('aspen_globals')) {
	function aspen_globals($glb='aspen_temp_opts') {
	return isset($GLOBALS[$glb]) ? $GLOBALS[$glb] : '';
}
}

if (!function_exists('aspen_t_set')) {
	function aspen_t_set($opt, $val) {
	$GLOBALS['aspen_temp_opts'][$opt] = $val;
}
}

if (!function_exists('aspen_t_get')) {
	function aspen_t_get($opt) {
	return isset($GLOBALS['aspen_temp_opts'][$opt]) ? $GLOBALS['aspen_temp_opts'][$opt] : '';
}
}

if (!function_exists('aspen_t_clear')) {
	function aspen_t_clear($opt) {
	unset($GLOBALS['aspen_temp_opts'][$opt]);
}
}

if (!function_exists('aspen_t_clear_all')) {
	function aspen_t_clear_all() {
	unset($GLOBALS['aspen_temp_opts']);
}
}

// # MASONRY ==============================================================

function aspen_masonry($act = false) {
	global $aspen_cur_template;

	$is_pt = false;

	if (strpos($aspen_cur_template,'paget-posts.php') !== false) {
		$is_pt = true;
	}
	if (is_singular() && ! $is_pt) {	// don't emit anything for non-blog pages
        return false;
	}

	$usem = aspen_get_per_page_value('pp_pwp_masonry');	// per page to override...
	if ($usem < 2)
        $usem = aspen_getopt('masonry_cols');
	if ($usem < 2) {
        return false;
	}
	switch ($act) {
        case 'begin-posts':	// wrap all posts
            echo '<div id="blog-posts" class="cf">';
            break;
        case 'begin-post' :	// wrap one post
            global $aspen_cur_post_id;
            $aspen_cur_post_id = get_the_ID();// we need to know now
            if (aspen_is_checked_post_opt('pp_masonry_span2')) {	// span 2 columns
                $usem .= '-span-2';
            }
            echo '<div class="cf blog-post blog-post-cols-' . $usem . '">';	// for masonry
            break;
        case 'end-post':	// end of one post
            echo "</div> <!-- .blog-post -->\n";
            break;
        case 'end-posts':	// end of all posts
            echo '</div> <!-- #blog-posts -->' . "\n";
            break;
        case 'invoke-code':
?>
<script type='text/javascript'>
jQuery(function(){var $container=jQuery('#blog-posts');$container.imagesLoaded(function(){
$container.masonry({itemSelector:'.blog-post'});});});
jQuery(window).resize(function(){jQuery('#blog-posts').masonry({itemSelector:'.blog-post'});});
</script>
<?php
            break;

        case 'enqueue-script':
            wp_enqueue_script('jquery-masonry',null,array('jquery'),null,true);
            //$url = trailingslashit(get_template_directory_uri());
            //wp_enqueue_script('aspenMasonry', $url.'js/masonry/jquery.masonry.min.js',array(),ASPEN_VERSION,true);
            break;
	}	// end switch
	return true;
}

// # PRO STUBS ==============================================================

function aspen_opt_cache($switch = null) {
	// load the options cache - only aspen_settings in basic version
	// $switch is used by theme switcher plugin
	global $aspen_opts_cache;

	if (isset($switch)) {
        $aspen_opts_cache = $switch;
	} else if (!$aspen_opts_cache) {
        $aspen_opts_cache = apply_filters('aspen_switch_theme',
		get_option(apply_filters('aspen_options','aspen_settings') ,array()));	// start with the default
	}
}

function aspen_t_($t) {
	return $t;
}

/* ----------------- hide visual editor filter ----------------- */
function aspen_disable_visual_editor() {
  global $wp_rich_edit;

  if (!isset($_GET['post']))
	return;
  $post_id = $_GET['post'];
  $value = get_post_meta($post_id, 'pp_hide_visual_editor', true);
  $raw = get_post_meta($post_id, 'pp_raw_html', true);
  if($value == 'on' || $raw == 'on')
    $wp_rich_edit = false;
}

add_action('load-page.php', 'aspen_disable_visual_editor');
add_action('load-post.php', 'aspen_disable_visual_editor');

require_once( dirname( __FILE__ ) . '/fileio.php' );
?>