functions.php

<?php
/**
 * Theme Functions
 *
 * Holds functions used in various areas of theme.
 *
 * @package      Techozoic Fluid
 * @author       Jeremy Clark <jeremy@clark-technet.com>
 * @copyright    Copyright (c) 2011, Jeremy Clark
 * @license      http://opensource.org/licenses/gpl-2.0.php GNU Public License
 * @since        1.0
 *
 */

if ( !function_exists( 'optionsframework_init' ) ) {

/*-----------------------------------------------------------------------------------*/
/* Options Framework
/*-----------------------------------------------------------------------------------*/

/* Set the file path based on whether the Options Framework Theme is a parent theme or child theme */

if ( get_stylesheet_directory() == get_template_directory() ) {
	define('OPTIONS_FRAMEWORK_URL', get_template_directory() . '/admin/');
	define('OPTIONS_FRAMEWORK_DIRECTORY', get_template_directory_uri() . '/admin/');
} else {
	define('OPTIONS_FRAMEWORK_URL', get_stylesheet_directory() . '/admin/');
	define('OPTIONS_FRAMEWORK_DIRECTORY', get_stylesheet_directory_uri() . '/admin/');
}

require_once (OPTIONS_FRAMEWORK_URL . 'options-framework.php');

}

include(get_template_directory() . '/functions/tech-meta-box.php');
// Loads custom meta boxes on single post and page edit screen


if (!isset($content_width)) {
        $content_width = tech_content_width();
}

add_action( 'after_setup_theme', 'techozoic_setup' );
 
 /**
 * Techozoic Theme setup
 *
 * Setup theme translation, theme features, menus, and custom header
 * 
 *
 * @access    private
 * @since     2.0
 */
 
 function techozoic_setup() {
        global $content_width;
	load_theme_textdomain( 'techozoic', get_template_directory() . '/languages');
	$locale = get_locale();
	$locale_file = get_template_directory() . "/languages/$locale.php";
	if ( is_readable($locale_file) )
		require_once($locale_file);
	// Include other custom functions files
	include(get_template_directory() . '/functions/tech-widget.php');
	include(get_template_directory() . '/functions/tech-comments-functions.php');
        include(get_template_directory() . '/functions/tech-css.php');
	add_theme_support( 'post-thumbnails' );
	add_image_size( 'single-post-thumbnail', $content_width, 9999 ); 
	//WP 2.9 Post Thumbnail Support
	add_theme_support('automatic-feed-links');
	//WP Auto Feed Links
        add_theme_support( 'post-formats', array( 'aside', 'gallery', 'quote', 'status') );
        //WP Post Format
	register_nav_menus( array(
		'primary' => __( 'Header Navigation', 'techozoic' ),
		'sidebar' => __( 'Sidebar Navigation', 'techozoic'),
		'footer' => __('Footer Navigation', 'techozoic'),
	) );
        //WP Navigation Menu
        add_theme_support( 'custom-header', array( 'random-default' => true ) );
        //WP Custom Header - random roation by default
        define( 'HEADER_TEXTCOLOR', '' );
        define( 'HEADER_IMAGE', '' );
        define( 'HEADER_IMAGE_HEIGHT', of_get_option('header_height','200') );
        define( 'HEADER_IMAGE_WIDTH', of_get_option('header_width','1000') );
        define('NO_HEADER_TEXT', true );
        add_custom_image_header( 'techozoic_header_style', 'techozoic_admin_header_style', 'techozoic_admin_header_image' );
        register_default_headers( array(
		'grunge' => array(
			'url' => '%s/images/headers/Grunge.jpg',
			'thumbnail_url' => '%s/images/headers/Grunge-thumbnail.jpg',
			'description' => __( 'Grunge', 'techozoic' )
		),
		'landscape' => array(
			'url' => '%s/images/headers/Landscape.jpg',
			'thumbnail_url' => '%s/images/headers/Landscape-thumbnail.jpg',
			'description' => __( 'Landscape', 'techozoic' )
		),
		'random_lines_1' => array(
			'url' => '%s/images/headers/Random_Lines_1.jpg',
			'thumbnail_url' => '%s/images/headers/Random_Lines_1-thumbnail.jpg',
			'description' => __( 'Random Lines 1', 'techozoic' )
		),
		'random_lines_2' => array(
			'url' => '%s/images/headers/Random_Lines_2.jpg',
			'thumbnail_url' => '%s/images/headers/Random_Lines_2-thumbnail.jpg',
			'description' => __( 'Random Lines 2', 'techozoic' )
		),
		'technology' => array(
			'url' => '%s/images/headers/Technology.jpg',
			'thumbnail_url' => '%s/images/headers/Technology-thumbnail.jpg',
			'description' => __( 'Technology', 'techozoic' )
		),
	) );
}

/**
 * Techozoic header style
 *
 * Custom header frontend style.
 * 
 *
 * @access    private
 * @since     2.0
 */

function techozoic_header_style() {
?>
<style type="text/css">
        #header {
            background-image: url(<?php header_image(); ?>);
        }
</style>
<?php
}

/**
 * Techozoic admin header style
 *
 * Custom header admin page style.
 * 
 *
 * @access    private
 * @since     2.0
 */

function techozoic_admin_header_style() {
?>
    <style type="text/css">
	#headimg img {
		max-width: 1000px;
		height: auto;
	}
    </style>
<?php
}

/**
 * Techozoic admin header html
 *
 * Custom admin header html.
 * 
 *
 * @access    private
 * @since     2.0
 */

function techozoic_admin_header_image() { ?>
	<div id="headimg">
		<?php $header_image = get_header_image();
		if ( ! empty( $header_image ) ) : ?>
			<img src="<?php echo esc_url( $header_image ); ?>" alt="" />
		<?php endif; ?>
	</div>
<?php }

/**
 * Techozoic comment reply enqueue
 *
 * function enqueuing comment reply script, to be added to header if needed.
 * 
 *
 * @access    private
 * @since     2.0.1
 */

function techozoic_enqueue_comment_reply() {
	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}
}
add_action( 'wp_enqueue_scripts', 'techozoic_enqueue_comment_reply' );

/**
 * Techozoic Theme Logo
 *
 * function for option page hook to output css to head to change icon.
 * 
 *
 * @access    private
 * @since     2.0
 */

add_action('admin_head-appearance_page_options-framework', 'techozoic_theme_logo');
add_action('admin_head-appearance_page_options-backup', 'techozoic_theme_logo');
function techozoic_theme_logo(){
?>
<style type="text/css">
#icon-themes, #icon-import-export {
    background: url(" <?php echo get_template_directory_uri() ?>/images/techozoic-logo-small.png") no-repeat scroll 2px 0px transparent;
}
</style>
<?php
}

/**
 * Techozoic custom menu walker
 *
 * Outputs custom menu class if menu has children.
 * 
 * @access    private
 * @since     2.0
 */

class techozoic_menu_walker extends Walker_Nav_Menu {

        function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ){
            $id_field = $this->db_fields['id'];
            if ( is_object( $args[0] ) ) {
                $args[0]->has_children = ! empty( $children_elements[$element->$id_field] );
            }
            return parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
        }

	function start_el(&$output, $item, $depth, $args) {
		global $wp_query;
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$class_names = $value = $childclass = '';
                
                if ($args->has_children){
                    $childclass = 'has_children';
                }
		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
		$classes[] = 'menu-item-' . $item->ID;

		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );
		$class_names = ' class="' . esc_attr( $class_names ) . ' ' . $childclass . '"';

		$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
		$id = strlen( $id ) ? ' id="' . esc_attr( $id ) . '"' : '';

		$output .= $indent . '<li' . $id . $value . $class_names .'>';

		$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
		$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
		$attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
		$attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';

		$item_output = $args->before;
		$item_output .= '<a'. $attributes .'>';
		$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;

		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
	}

}

/**
 * Techozoic change saniziation
 *
 * Removes standard options page filter and applies custom filter
 * 
 * @access    private
 * @since     2.0
 */
 
add_action('admin_init','optionscheck_change_santiziation', 10,2);

function optionscheck_change_santiziation() {
    remove_filter( 'of_sanitize_textarea', 'of_sanitize_textarea' );
    add_filter( 'of_sanitize_textarea', 'tech_sanitize_textarea' );
}

/**
 * Techozoic Sanitize Textarea Filter
 *
 * Used to filter textarea input fields from option page
 * 
 * @param     string    unfiltered text from option page
 * @return    string    filtered text to store in database
 *
 * @access    private
 * @since     2.0
 */

function tech_sanitize_textarea($input) {
    global $allowedposttags;
    $custom_allowedtags["embed"] = array(
        "src" => array(),
        "type" => array(),
        "allowfullscreen" => array(),
        "allowscriptaccess" => array(),
        "height" => array(),
        "width" => array()
    );
    $custom_allowedtags["small"] = array();
    $custom_allowedtags["script"] = array(
        "src" => array(),
        "type" => array()
    );
    $custom_allowedtags["iframe"] = array( 
        "src" => array(),
        "height" => array(),
        "width" => array(),
        "frameborder" => array(),
        "allowfullscreen" => array()
    );

    $custom_allowedtags = array_merge($custom_allowedtags, $allowedposttags);
    $output = wp_kses( $input, $custom_allowedtags);
    return $output;
}

/**
 * Techozoic Exclude aside/status post format from RSS
 *
 * Remove certain post formats from feed query
 * 
 * @param     string    wp_query from hook
 * @return    string    wp_query with post formats removed.
 *
 * @access    public
 * @since     2.0
 */

add_action( 'pre_get_posts', 'tech_exclude_post_formats_from_feeds' );

function tech_exclude_post_formats_from_feeds( &$wp_query ) {

	// Only do this for feed queries:
	if ( $wp_query->is_feed() ) {

		// Array of post formats to exclude, by slug,
		$post_formats_to_exclude = array(
			'post-format-status',
			'post-format-aside'
		);

		// Extra query to hack onto the $wp_query object:
		$extra_tax_query = array(
			'taxonomy' => 'post_format',
			'field' => 'slug',
			'terms' => $post_formats_to_exclude,
			'operator' => 'NOT IN'
		);

		$tax_query = $wp_query->get( 'tax_query' );
		if ( is_array( $tax_query ) ) {
			$tax_query = $tax_query + $extra_tax_query;
		} else {
			$tax_query = array( $extra_tax_query );
		}
		$wp_query->set( 'tax_query', $tax_query );
	}
}


/**
 * Techozoic Google Plus one JS
 *
 * Output javascript need for plus one button.
 * 
 *
 * @access    public
 * @since     2.0
 */

add_action('wp_footer', 'tech_plus_one');    
    
function tech_plus_one() {
    echo "<script type=\"text/javascript\">
      (function() {
        var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
        po.src = 'https://apis.google.com/js/plusone.js';
        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
      })();
    </script>";
}


/**
 * Techozoic Theme Links
 *
 * Used to output links to theme support and rss feed of theme news
 * 
 * @param     string    CSS class to be applied to div around theme links
 * @return    string    HTML for theme links box
 *
 * @access    public
 * @since     1.9.3
 */

function techozoic_links_box($class="tech_links_box") {
	$output ='	<div class="' . $class . '" style="float:right;width: 48%;">';
		// Get RSS Feed(s)
		$feed_address = "http://techozoic.clark-technet.com/category/news/feed";
		$feed_items = 5;
		$tech_changelog = get_template_directory_uri() . '/changelog.php';
		$output .= "<h3 style='background:none;cursor:default;'>" . __('Techozoic News','techozoic') . "</h3>";
		include_once(ABSPATH . WPINC . '/feed.php');
		// Get a SimplePie feed object from the specified feed source.
		$rss = fetch_feed($feed_address);
		if (!is_wp_error( $rss ) ) {
			// Checks that the object is created correctly 
			// Figure out how many total items there are, but limit it to $feed_items. 
			 $maxitems = $rss->get_item_quantity($feed_items); 

			// Build an array of all the items, starting with element 0 (first element).
			$rss_items = $rss->get_items(0, $maxitems); 
			$output .='<ul>';
			if (isset($maxitems) && $maxitems == 0) {
				$output .= '<li>' . __("No News.","techozoic") . '</li>';
			} else {
				// Loop through each feed item and display each item as a hyperlink.
				foreach ( $rss_items as $item ) { 
					$output .= "<li>
						<a href='{$item->get_permalink()}' target='_blank' title='{$item->get_title()}'>
						{$item->get_title()}</a>
					</li>";
				}
				$output.='</ul>';
			}
		}
	$output .="<h3 style='background:none;cursor:default'>" . __('Techozoic Links','techozoic') . "</h3>
	<ul>
		<li>
			<a href='http://clark-technet.com/theme-support/techozoic'>" . __('Support Forum','techozoic') . "</a>
		</li>
		<li>
			<a href='http://techozoic.clark-technet.com/documentation/'>" . __('Documentation','techozoic') . "</a>
		</li>
		<li>
			<a href='http://techozoic.clark-technet.com/documentation/faq/'>" . __('FAQ','techozoic') . "</a>
		</li>
		<li>
			<a href='$tech_changelog' onclick='return changelog(\"$tech_changelog\")'>" . __('Change Log','techozoic') . "</a>
		</li>
	</div>";
	echo $output;
}
        
/**
 * Techozoic All Image Size Links
 *
 * Used to output links to all available images sizes of wp_attachment
 * Code adapted from Justin Tadlock 
 * http://justintadlock.com/archives/2011/01/28/linking-to-all-image-sizes-in-wordpress
 * 
 * @return    string    Joined array of all image size links.
 *
 * @access    public
 * @since     1.9.3
 */
	
function tech_image_links() {        
	if ( !wp_attachment_is_image( get_the_ID() ) ){
		return;
	}
	$links = array();
	$sizes = get_intermediate_image_sizes();
	$sizes[] = 'full';
	foreach ( $sizes as $size ) {
		$image = wp_get_attachment_image_src( get_the_ID(), $size );
		if ( !empty( $image ) && ( true == $image[3] || 'full' == $size ) ) {
			$links[] = "<a class='image-size-link' href='{$image[0]}'>{$image[1]} &times; {$image[2]}</a>";
		}
	}
	return join( ' <span class="sep">|</span> ', $links );
}

/**
 * Techozoic excerpt location
 *
 * Used to check whether current page type is in excerpt locations set in options
 * 
 * @param       string  Current page type
 * @return      bool    Return if current page is in excerpt_location array    
 *
 * @access    public
 * @since     1.9.3
 */

function tech_excerpt($where){
	$locs = of_get_option('excerpt_location', array("tag" => '1'));
	if ($locs[$where] == '1'){ 
		return true;
	} else {
		return false;
	}
}

/**
 * Techozoic social icons location
 *
 * Used to check whether current page type is in post social media locations set in options
 * 
 * @param       string  Current page type
 * @return      bool    Return if current page is in post_social_media_location array    
 *
 * @access    public
 * @since     1.9.3
 */

function tech_icons($where){
	$locs = of_get_option('post_social_media_location', array("main" =>"1",'single'=>'1'));
	if ($locs[$where] == '1'){ 
		return true;
	} else {
		return false;
	}
}

/**
 * Techozoic excerpt filter
 *
 * Filter that replaces ellipses with proper html ententity and link to single post page
 * 
 * @param       string  exceprt text
 * @return      string    string replaced excerpt text    
 *
 * @access    private
 * @since     1.9.3
 */

add_filter('the_excerpt', 'tech_excerpt_filter'); // Replaces [...] at end of excerpt with link to single post page.

function tech_excerpt_filter($text){ 
	global $post;
	return str_replace('[...]', '<a href="'. get_permalink($post->ID) . '">' . ' [&hellip; ' . __('Read More', 'techozoic') . ']' . '</a>', $text);  
}  


if (of_get_option('google_font','0') == '1') {

/**
 * Techozoic google font 
 *
 * Enqueues google font stylesheet based on google_fonts option
 *    
 *
 * @access    private
 * @since     1.9.3
 */

add_action('wp_enqueue_scripts','tech_google_font');

function tech_google_font() {
	global $tech;
        $font_name = of_get_option('google_font_family','');
        $tech_google_font = str_ireplace(' ', '+', $font_name);
        $tech_google_font_decoration = of_get_option('google_font_decoration','none');
        if ($tech_google_font_decoration != "none"){
            wp_enqueue_style('google_fonts' , "http://fonts.googleapis.com/css?family={$tech_google_font}:{$tech_google_font_decoration}", '', '', 'screen');
        } else {
            wp_enqueue_style('google_fonts' , "http://fonts.googleapis.com/css?family={$tech_google_font}", '', '', 'screen');
        }    
}    


}//End if goolge_font check
	
/**
 * Techozoic comment count
 *
 * Filter that displays correct comment count.
 * http://www.wpbeginner.com/wp-tutorials/display-the-most-accurate-comment-count-in-wordpress/
 * 
 * 
 * @param       string  filter variable
 * @return      string    correct comment count   
 *
 * @access    private
 * @since     1.9.3
 */

add_filter('get_comments_number', 'tech_comment_count', 0); 

function tech_comment_count( $count ) {  
	if ( ! is_admin() ) {
		global $id;
		$comments_by_type = &separate_comments(get_comments('status=approve&post_id=' . $id));
		return count($comments_by_type['comment']);
	} else {
	return $count;
	}
}
	
/**
 * Techozoic WP 3 menu fallback
 *
 * Callback for use in wp_nav_menu when no menu is assigned.
 *   
 *
 * @access    private
 * @since     1.9.1
 */	

	
function tech_menu_fallback(){
	$output = ' <ul id="dropdown"> ';
	$clean_page_list = wp_list_pages('sort_column=menu_order&title_li=&echo=0');
	$clean_page_list = preg_replace('/title=\"(.*?)\"/','',$clean_page_list);
	$output .= $clean_page_list;
	$output .= '</ul>';
	echo $output;
}

/**
 * Techozoic Font Resize Script
 *
 * Enqueues and register font resize script used for Techozoic font resize widget.
 *  
 *
 * @access    private
 * @since     1.9.1
 */


if ( is_active_widget(false ,false, 'techozoic_font_size') ) {
	add_action('template_redirect', 'tech_font_size_script');
}
	
function tech_font_size_script() {
	$script_dir = get_template_directory_uri() . '/js/';
	wp_register_script('font-size', $script_dir .'font-resize.js', array('jquery'), '1.0');
	wp_enqueue_script('font-size');
}
	

/**
 * Techozoic $content_width Function
 *
 * Sets $content_width variable used for image sizes by WordPress based on whether the
 * options are set to fixed or fluid width.  If set to fluid width, set to 500 otherwise
 * width is calculated from fixed widths set.
 * 
 * @return      int     content width   
 *
 * @access    private
 * @since     1.8.8
 */

	
function tech_content_width(){
	global $tech;
	$p_width = of_get_option('page_width','90');
	$c_width = of_get_option('main_column_width','50');
	$page = of_get_option('page_type','fluid');
	if ($page == "fixed" && $p_width != 0 && $c_width != 0) {
		$c_width = $c_width /100;
		$output = $p_width * $c_width;
	} else {
		$output = 500;
	}
	return $output;
}	

/**
 * Techozoic footer text function
 *
 * Used to replace shortcodes used in footer_text option with correct values.
 * 
 *
 * @access    public
 * @since     1.8.8
 */

add_action('tech_footer', 'tech_footer_text'); 	// Adds custom footer text defined on option page to footer.

function tech_footer_text(){
    	$theme_data = get_theme_data(get_template_directory() . '/style.css');
	$version = $theme_data['Version'];
	$string = of_get_option('footer_text','%COPYRIGHT% %BLOGNAME% | %THEMENAME% %THEMEVER% by %THEMEAUTHOR%. | %TOP% <br /> <small>%MYSQL%</small>');
	$shortcode = array('/%BLOGNAME%/i','/%THEMENAME%/i','/%THEMEVER%/i','/%THEMEAUTHOR%/i','/%TOP%/i','/%COPYRIGHT%/i','/%MYSQL%/i');
	$output = array(get_bloginfo('name'),"Techozoic",$version,'<a href="http://clark-technet.com/"> Jeremy Clark</a>','<a href="#top">'. __('Top' ,'techozoic') .'</a>','&copy; '. date('Y'),sprintf(__('%1$d mySQL queries in %2$s seconds.','techozoic'), get_num_queries(),timer_stop(0)));
	echo preg_replace($shortcode, $output, $string);
}

/**
 * Techozoic Sidebar Display Function
 *
 * Determine which sidebar template should be shown based on options.
 * 
 * 
 * @param       string  location of current template function called from 
 *
 * @access    public
 * @since     1.8.8
 */

function tech_show_sidebar($loc) {
	if (of_get_option('column','3') > 1) {
		switch (of_get_option('sidebar_pos','3-col')) {
			case "3-col":
				$left = 1;
				$right = 1;
			break;
			case "3-col-right":
				$left = 0;
				$right = 2;
			break;
			case "3-col-left":
				$left = 2;
				$right = 0;
			break;
			case "2-col-right":
				$left = 0;
				$right = 1;
			break;
			case "2-col-left":
				$left = 1;
				$right = 0;
			break;
		}
		if ($loc == "l" && $left > 0){
			get_template_part('sidebar','left');
			if ($left > 1){
				get_sidebar();
			}
		}
		if ($loc == "r" && $right > 0){
			get_sidebar();
			if ($right > 1){
				get_template_part('sidebar','left');
			}
		}
	}
}	
	
	
/**
 * Techozoic Social Media Icons Function
 *
 * Echos the social media icon links and images as set in options.
 * 
 * 
 * @param       bool    function called from home page or single page
 *
 * @access    public
 * @since     1.8.8
 */	

function tech_social_icons($home=true){
	global $tech, $post;
	$short_link = home_url()."/?p=".$post->ID;
	$home_icons = of_get_option('home_social_icons',array('delicious'=>'1','digg'=>'1','rss'=>'1'));
	$single_icons = of_get_option('single_social_icons',array('delicious'=>'1','digg'=>'1','rss'=>'1'));
	$image = get_template_directory_uri() . "/images/icons";
	$link = get_permalink();
	$title = $post->post_title;
	$email_title = preg_replace('/&/i', 'and',$title);
	$url_title = urlencode($post->post_title);
	$excerpt = urlencode(wp_trim_excerpt($post->post_excerpt));
	$excerpt_mail = wp_trim_excerpt($post->post_excerpt);
	$excerpt_mail = preg_replace("/&#?[a-z0-9]{2,8};/i","",$excerpt_mail);
	$home_title = urlencode(get_bloginfo( 'name' ));
	$social_links = array(
		"delicious" => "<a href=\"http://delicious.com/post?url={$link}&amp;title={$url_title}\" title=\"" .  __('del.icio.us this!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/delicious_16.png\" alt=\"" .  __('del.icio.us this!','techozoic') . "\" /></a>",
		"digg" => "<a href=\"http://digg.com/submit?phase=2&amp;url={$link}&amp;title={$url_title} \" title=\"" .  __('Digg this!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/digg_16.png\" alt=\"" .  __('Digg this!','techozoic') . "\"/></a>",
		"email" => "<a href=\"mailto:?subject={$email_title}&amp;body={$excerpt_mail} {$link}\" title=\"" .  __('Share this by email.','techozoic') . "\"><img src=\"{$image}/email_16.png\" alt=\"" .  __('Share this by email.','techozoic') . "\"/></a>",
		"facebook" => "<a href=\"http://www.facebook.com/share.php?u={$link}&amp;t={$url_title}\" title=\"" .  __('Share on Facebook!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/facebook_16.png\" alt=\"" .  __('Share on Facebook!','techozoic') . "\"/></a>",
                "linkedin" => "<a href =\"http://www.linkedin.com/shareArticle?mini=true&amp;url={$link}&amp;title={$url_title}&amp;summary={$excerpt}&amp;source={$home_title}\" title=\"" .  __('Share on LinkedIn!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/linkedin_16.png\" alt=\"" .  __('Share on LinkedIn!','techozoic') . "\" /></a>",
		"myspace" => "<a href=\"http://www.myspace.com/Modules/PostTo/Pages/?u={$link}&amp;t={$url_title}\" title=\"" .  __('Share on Myspace!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/myspace_16.png\" alt=\"" .  __('Share on Myspace!','techozoic') . "\"/></a>",
		"newsvine" => "<a href=\"http://www.newsvine.com/_tools/seed&amp;save?u={$link}\" title=\"" .  __('Share on NewsVine!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/newsvine_16.png\" alt=\"" .  __('Share on NewsVine!','techozoic') . "\"/></a>",
		"stumbleupon" => "<a href=\"http://www.stumbleupon.com/submit?url={$link}&amp;title={$url_title}\" title=\"" .  __('Stumble Upon this!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/stumbleupon_16.png\" alt=\"" .  __('Stumble Upon this!','techozoic') . "\"/></a>",
		"twitter" => "<a href=\"http://twitter.com/home?status=Reading%20{$url_title}%20on%20{$short_link}\" title=\"" .  __('Tweet this!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/twitter_16.png\" alt=\"" .  __('Tweet this!','techozoic') . "\"/></a>",
		"reddit" => "<a href=\"http://reddit.com/submit?url={$link}&amp;title={$url_title}\" title=\"" .  __('Share on Reddit!','techozoic') . "\" target=\"_blank\"><img src=\"{$image}/reddit_16.png\" alt=\"" .  __('Share on Reddit!','techozoic') . "\" /></a>",
		"rss" => "<a href=\"".get_post_comments_feed_link()."\" title=\"".__('Subscribe to Feed','techozoic')."\"><img src=\"{$image}/rss_16.png\" alt=\"" . __('RSS 2.0','techozoic') . "\"/></a>",
                "google" => "<g:plusone size=\"small\" annotation=\"none\" expandto=\"right\" href=\"$link\"></g:plusone>");
	if ($home == true){
                if (is_array($home_icons)){
                    foreach ($home_icons as $key => $value){
                        if ($value == "1"){
                            echo $social_links[$key] ."&nbsp;";
                        }
                    }
                }
	} else {
                if(is_array($single_icons)){
                    foreach ($single_icons as $key => $value){
                        if ($value == "1"){
                            echo $social_links[$key] ."&nbsp;";
                        }
                    }
                }
	}
}

/**
 * Techozoic About Icons Function
 *
 * Used to display social media profile links for Techozoic About widget.
 * 
 * 
 * @param       int     if facebook profile link is checked
 * @param       int     if myspace profile link is checked
 * @param       int     if twitter profile link is checked  
 *
 * @access    public
 * @since     1.8.8
 */

function tech_about_icons($fb=0,$my=0,$twitter=0){
	global $tech;
	$fb_profile = $tech['facebook_profile'];
	$my_profile = $tech['myspace_profile'];
	$twitter_profile = $tech['twitter_profile'];
	$image = get_template_directory_uri() . "/images/icons";
	if ($fb !=0){
		echo "<li><a href=\"{$fb_profile}\" title=\"".__('Follow me on Facebook','techozoic')."\"><img src=\"{$image}/facebook_32.png\"></a></li>";
	}
	if ($my !=0){
		echo "<li><a href=\"{$my_profile}\" title=\"".__('Follow me on Myspace','techozoic')."\"><img src=\"{$image}/myspace_32.png\"></a></li>";
	}	
	if ($twitter !=0){
		echo "<li><a href=\"{$twitter_profile}\" title=\"".__('Follow me on Twitter','techozoic')."\"><img src=\"{$image}/twitter_32.png\"></a></li>";
	}
}

/**
 * Techozoic Home Page Comment Preview
 *
 * Comment preview section on home page.  Pull comment excerpt for approved comments
 * displays in an unordered list at bottom of each post. 
 * 
 * @param       string  id of current post to pull comments for
 *
 * @access    public
 * @since     1.8.7
 */

function tech_comment_preview($ID){
	global $comment;
        $tech_comment_num = of_get_option('comment_preview_num','3');
	$output = "";
	$comment_array = get_comments(array('post_id'=>$ID,'number'=>$tech_comment_num,'type'=>'comment','status'=>'approve'));
	if ($comment_array) {
		$output .=	'<ul class="comment-preview">';
		foreach($comment_array as $comment){
                        
			$output .= '<li class="comments-link">';
			$output .= '<div class="comment-author">';
			$output .= '<a href="'. get_comment_link() .'" title="'. $comment->comment_author . __(' posted on ','techozoic') . get_comment_date() .'">';
			$output .= $comment->comment_author . __(' posted on ','techozoic') . get_comment_date();
			$output .= '</a>';
			$output .= '</div>';
			$output .= '<div class="comment-text">';
			$output .= get_comment_excerpt($comment->comment_ID);
			$output .= '</div>';
			$output .= '</li>';
		}
		$output .= '</ul>';
	}
	print $output;
}

if ( is_admin() && isset($_GET['activated'] ) && $pagenow == "themes.php" ){

/**
 * Techozoic Custom Activation Message
 *
 * Used to show a custom activation message with links to theme options page and
 * change log.    
 *
 * @access    private
 * @since     1.8.6
 */

add_action( 'admin_notices', 'techozoic_show_notice' );  // Shows custom theme activation notice with links to option page and changelog

function techozoic_show_notice() { ?>
    <div id="message" class="updated fade">
		<p><?php printf( __( 'Theme activated! This theme contains <a href="%s">theme options</a> and <a href="%s">custom sidebar widgets</a>.<br />&nbsp; See <a href="%s">Change Log</a>.', 'techozoic' ), admin_url( 'themes.php?page=options-framework' ), admin_url( 'widgets.php' ) , get_template_directory_uri() . "/changelog.php\" onclick=\"return changelog('". get_template_directory_uri() ."/changelog.php')\"") ?></p>
    </div>
    <style type="text/css">#message2, #message0 { display: none; }</style>
    <?php
}

} //End If activation page check

if ( is_admin() && (isset($_GET['page'] ) && $_GET['page'] == 'custom-header') && $pagenow == "themes.php" ){
 
/**
 * Techozoic header notice
 *
 * Used to show that header height and width can be set on the options page.
 *     
 *
 * @access    private
 * @since     2.0
 */   
add_action( 'admin_notices', 'techozoic_header_notice' );  // Shows custom theme activation notice with links to option page and changelog

function techozoic_header_notice() { ?>
    <div id="message" class="updated fade">
		<p><?php printf(__('Header height and width and aligment can be set on the <a href="%s">theme options</a> page.','techozoic'),admin_url( 'themes.php?page=options-framework' )); ?></p>
    </div>
    <?php
}

}//End if custom header page

/**
 * Techozoic add dashboard widget
 *
 * Add dashboard widget defined in techozoic_dashboard_widget.
 *
 * @access    private
 */

function tech_dashboard_widgets() {
   	global $wp_meta_boxes;
   	wp_add_dashboard_widget('techozoic_dashboard_widget', 'Techozoic Theme Setup', 'techozoic_dashboard_widget');
}

/**
 * Techozoic dashboard widget content
 *
 * Adds dashboard widget with links to options pages, support, documentation, and
 * donate links.
 * 
 *  
 *
 * @access    private
 * @since     1.9.3
 */

add_action('wp_dashboard_setup', 'tech_dashboard_widgets'); //Add Techozoic dashboard widget with info for theme and donate button

function techozoic_dashboard_widget() { ?>
   	<div style="float:left;width: 46%;margin:1% 10px;">
	<div class="alignleft">
		<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
		<input type="hidden" name="cmd" value="_s-xclick">
		<input type="hidden" name="hosted_button_id" value="10999960">
		<input type="image" src="https://www.paypal.com/en_US/i/btn/btn_donate_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
		<img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1">
		</form>
		</div>
		<p>
		<?php _e('Thank you for using the Techozoic Theme.  ' ,'techozoic'); 
		if (current_user_can('edit_theme') || current_user_can('edit_theme_options')) { 
			printf(__('Visit the %s to start customizing Techozoic.  ' ,'techozoic'),'<a href="themes.php?page=options-framework" title="' . __("options page" ,"techozoic").'">'.__("options page" ,"techozoic").'</a>'); 
			} 
		printf(__('If your having problems or would like to suggest a new feature, please visit the %s.' ,'techozoic'), '<a href="http://clark-technet.com/theme-support/techozoic/" title="' .__('Support Forum' ,'techozoic').'"> '.__('support forum' ,'techozoic').'</a>')?>
		</p>
		</div>
		<?php techozoic_links_box('tech_links_front'); ?>
		<div class="clear"> </div>
<?php

}


/**
 * Techozoic breadcrumb navigation
 *
 * Displays breadcrumb navigation if option is set.
 * 
 * @access    public
 */

function tech_breadcrumbs() {
	// Thanks to dimox for the code
	//http://dimox.net/wordpress-breadcrumbs-without-a-plugin/
	global $tech;
	$delimiter = '&raquo;';
	$name =  __('Home' ,'techozoic');
	$currentBefore = '<span class="current">';
	$currentAfter = '</span>';
	 
	if ( !is_home() || !is_front_page() || is_paged() ) {
 
		echo '<div id="crumbs">';
 
		global $post;
		$home = home_url();
		echo '<a href="' . $home . '">' . $name . '</a> ' . $delimiter . ' ';
 
		if ( is_category() ) {
		  global $wp_query;
		  $cat_obj = $wp_query->get_queried_object();
		  $thisCat = $cat_obj->term_id;
		  $thisCat = get_category($thisCat);
		  $parentCat = get_category($thisCat->parent);
		  if ($thisCat->parent != 0) echo(get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' '));
		  echo $currentBefore . __('Archive for category &#39;' ,'techozoic');
		  single_cat_title();
		  echo '&#39;' . $currentAfter;
	 
		} elseif ( is_day() ) {
		  echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
		  echo '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';
		  echo $currentBefore . get_the_time('d') . $currentAfter;
	 
		} elseif ( is_month() ) {
		  echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
		  echo $currentBefore . get_the_time('F') . $currentAfter;
	 
		} elseif ( is_year() ) {
		  echo $currentBefore . get_the_time('Y') . $currentAfter;
	 
		} elseif ( is_single() && !is_attachment() ) {
		  $cat = get_the_category();
                  if ($cat){
                      $cat = $cat[0];
                      echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
                  }
		  echo $currentBefore;
		  the_title();
		  echo $currentAfter;
	 
		} elseif ( is_page() && !$post->post_parent ) {
		  echo $currentBefore;
		  the_title();
		  echo $currentAfter;
	 
		} elseif ( is_page() && $post->post_parent ) {
		  $parent_id  = $post->post_parent;
		  $breadcrumbs = array();
		  while ($parent_id) {
			$page = get_page($parent_id);
			$breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';
			$parent_id  = $page->post_parent;
		  }
		  $breadcrumbs = array_reverse($breadcrumbs);
		  foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';
		  echo $currentBefore;
		  the_title();
		  echo $currentAfter;
	 
		} elseif ( is_search() ) {
		  echo $currentBefore . __('Search results for &#39;' ,'techozoic') . get_search_query() . '&#39;' . $currentAfter;
	 
		} elseif ( is_tag() ) {
		  echo $currentBefore . __('Posts tagged &#39;' ,'techozoic');
		  single_tag_title();
		  echo '&#39;' . $currentAfter;
	 
		} elseif ( is_author() ) {
		   global $author;
		  $userdata = get_userdata($author);
		  echo $currentBefore . __('Articles posted by ' ,'techozoic') . $userdata->display_name . $currentAfter;
	 
		} elseif ( is_404() ) {
		  echo $currentBefore . __('Error 404' ,'techozoic') . $currentAfter;
		}
	 
		if ( get_query_var('paged') ) {
		  if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';
		  echo __('Page' , 'techozoic') . ' ' . get_query_var('paged');
		  if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';
		}
 
		echo '</div>';
 
	}
}

if (of_get_option('thickbox','0') == '1'){
    
/**
 * Techozoic thickbox image paths
 *
 * Fixes paths to loading and close images used with thickbox. 
 * 
 *
 * @access    private
 */

add_action('wp_footer', 'tech_thickbox_image_paths');    
    
function tech_thickbox_image_paths() {
	$thickbox_path = get_option('siteurl') . '/wp-includes/js/thickbox/';
	echo "<script type=\"text/javascript\">\n";
	echo "	var tb_pathToImage = \"${thickbox_path}loadingAnimation.gif\";\n";
	echo "	var tb_closeImage = \"${thickbox_path}tb-close.png\";\n";
	echo "</script>\n";
}

/**
 * Techozoic enqueue thickbox
 *
 * Enqueues thickbox script and stylesheet to be added to wp_head
 * 
 *
 * @access    private
 */

add_action('wp_enqueue_scripts','tech_enque_thickbox');

function tech_enque_thickbox() {
	wp_enqueue_script('thickbox');
	wp_enqueue_style('thickbox');
}

/**
 * Techozoic thickbox
 *
 * Replaces img links with img links with thickbox class and rel for grouping images
 * based on post id.
 * 
 * @param       string  post content
 * @return      string  string replaced post content   
 *
 * @access    private
 * @since     1.9.3
 */

add_filter('the_content', 'tech_thickbox', 65 );

function tech_thickbox($content) {
	global $post;
	$pattern = array( '/<a([^>]*)href=[\'"]([^"\']+).(gif|jpeg|jpg|png)[\'"]([^>]*>)/i', '/<a class="thickbox" rel="%ID%" href="([^"]+)"([^>]*)class=[\'"]([^"\']+)[\'"]([^>]*>)/i' );
	$replacement = array( '<a class="thickbox" rel="%ID%" href="$2.$3"$1$4', '<a class="thickbox" rel="%ID% $3" href="$1"$2$4' );
	$content = preg_replace($pattern, $replacement, $content);
	return str_replace('%ID%', $post->ID, $content);
}
	
} // End if thickbox check

?>