<?php 

include( dirname(__FILE__) . '/../core/core-functions.php' ); 

//---------------- Custom Drop-Down Tags Function ----------------// 

//  function dropdown_tag_cloud( $args = '' ) {

//  	$defaults = array(

//  		'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,

//  		'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC',

//  		'exclude' => '', 'include' => ''

//  	);

//  	$args = wp_parse_args( $args, $defaults );

//  

//  	$tags = get_tags( array_merge($args, array('orderby' => 'count', 'order' => 'DESC')) ); // Always query top tags

//  

//  	if ( empty($tags) )

//  		return;

//  

//  	$return = core_header_tag_cloud( $tags, $args ); // Here's where those top tags get sorted according to $args

//  	if ( is_wp_error( $return ) )

//  		return false;

//  	else

//  		echo apply_filters( 'dropdown_tag_cloud', $return, $args );

//  }

//  

//  function core_header_tag_cloud( $tags, $args = '' ) {

//  	global $wp_rewrite;

//  	$defaults = array(

//  		'smallest' => 8, 'largest' => 22, 'unit' => 'pt', 'number' => 45,

//  		'format' => 'flat', 'orderby' => 'name', 'order' => 'ASC'

//  	);

//  	$args = wp_parse_args( $args, $defaults );

//  	extract($args);

//  

//  	if ( !$tags )

//  		return;

//  	$counts = $tag_links = array();

//  	foreach ( (array) $tags as $tag ) {

//  		$counts[$tag->name] = $tag->count;

//  		$tag_links[$tag->name] = get_tag_link( $tag->term_id );

//  		if ( is_wp_error( $tag_links[$tag->name] ) )

//  			return $tag_links[$tag->name];

//  		$tag_ids[$tag->name] = $tag->term_id;

//  	}

//  

//  	$min_count = min($counts);

//  	$spread = max($counts) - $min_count;

//  	if ( $spread <= 0 )

//  		$spread = 1;

//  	$font_spread = $largest - $smallest;

//  	if ( $font_spread <= 0 )

//  		$font_spread = 1;

//  	$font_step = $font_spread / $spread;

//  

//  	// SQL cannot save you; this is a second (potentially different) sort on a subset of data.

//  	if ( 'name' == $orderby )

//  		uksort($counts, 'strnatcasecmp');

//  	else

//  		asort($counts);

//  

//  	if ( 'DESC' == $order )

//  		$counts = array_reverse( $counts, true );

//  

//  	$a = array();

//  

//  	$rel = ( is_object($wp_rewrite) && $wp_rewrite->using_permalinks() ) ? ' rel="tag"' : '';

//  

//  	foreach ( $counts as $tag => $count ) {

//  		$tag_id = $tag_ids[$tag];

//  		$tag_link = clean_url($tag_links[$tag]);

//  		$tag = str_replace(' ', ' ', wp_specialchars( $tag ));

//  		$a[] = "\t<option value='$tag_link'>$tag ($count)</option>";

//  	}

//  

//  	switch ( $format ) :

//  	case 'array' :

//  		$return =& $a;

//  		break;

//  	case 'list' :

//  		$return = "<ul class='wp-tag-cloud'>\n\t<li>";

//  		$return .= join("</li>\n\t<li>", $a);

//  		$return .= "</li>\n</ul>\n";

//  		break;

//  	default :

//  		$return = join("\n", $a);

//  		break;

//  	endswitch;

//  

//  	return apply_filters( 'core_header_tag_cloud', $return, $tags, $args );

//  }

//---------------- Custom Exclude Cats Function ----------------//

function exclude_category($query) {

	$cats = wptouch_excluded_cats();

	$icats = explode( ",", $cats );

	$new_cats = array();

	foreach( $icats as $icat ) {

		$new_cats[] = "-" . $icat;

}

	$cats = implode( ",",  $new_cats );

	if ( $query->is_home ) {

	$query->set('cat', $cats);

	}

return $query;

}

add_filter('pre_get_posts', 'exclude_category');

//---------------- Custom Excerpts Function ----------------//

function wptouch_trim_excerpt($text) {

	$raw_excerpt = $text;

	if ( '' == $text ) {

		$text = get_the_content('');

		$text = strip_shortcodes( $text );

		$text = apply_filters('the_content', $text);

		$text = str_replace(']]>', ']]>', $text);

		$text = strip_tags($text);

		$excerpt_length = apply_filters('excerpt_length', 30);

		$words = explode(' ', $text, $excerpt_length + 1);

		if (count($words) > $excerpt_length) {

			array_pop($words);

			array_push($words, '...');

			$text = implode(' ', $words);

			$text = force_balance_tags( $text );

		}

	}

	return apply_filters('wptouch_trim_excerpt', $text, $raw_excerpt);

}

//---------------- Custom Time Since Function ----------------//

function time_since($older_date, $newer_date = false)

	{

	// array of time period chunks

	$chunks = array(

//	array(60 * 60 * 24 * 365 , 'yr'),

	array(60 * 60 * 24 * 30 , 'mo'),

	array(60 * 60 * 24 * 7, 'wk'),

	array(60 * 60 * 24 , 'day'),

	array(60 * 60 , 'hr'),

	array(60 , 'min'),

	);

	// $newer_date will equal false if we want to know the time elapsed between a date and the current time

	// $newer_date will have a value if we want to work out time elapsed between two known dates

	$newer_date = ($newer_date == false) ? (time()+(60*60*get_settings("gmt_offset"))) : $newer_date;

	// difference in seconds

	$since = $newer_date - $older_date;

	// we only want to output two chunks of time here, eg:

	// x years, xx months

	// x days, xx hours

	// so there's only two bits of calculation below:

	// step one: the first chunk

	for ($i = 0, $j = count($chunks); $i < $j; $i++)

		{

		$seconds = $chunks[$i][0];

		$name = $chunks[$i][1];

		// finding the biggest chunk (if the chunk fits, break)

		if (($count = floor($since / $seconds)) != 0)

			{

			break;

			}

		}

	// set output var

	$output = ($count == 1) ? '1 '.$name : "$count {$name}s";

	// step two: the second chunk

	if ($i + 1 < $j)

		{

		$seconds2 = $chunks[$i + 1][0];

		$name2 = $chunks[$i + 1][1];

		if (($count2 = floor(($since - ($seconds * $count)) / $seconds2)) != 0)

			{

			// add to output var

			$output .= ($count2 == 1) ? ', 1 '.$name2 : ", $count2 {$name2}s";

			}

		}

	return $output;

	}

remove_filter('get_the_excerpt', 'wp_trim_excerpt');

add_filter('get_the_excerpt', 'wptouch_trim_excerpt');

?>