<?php


/* ---------------------------------------------------------------------------------------------
   THEME SETUP
   --------------------------------------------------------------------------------------------- */


function baskerville_setup() {
	
	// Automatic feed
	add_theme_support( 'automatic-feed-links' );
		
	// Post thumbnails
	add_theme_support( 'post-thumbnails' );
	add_image_size( 'post-image', 945, 9999 );
	add_image_size( 'post-thumbnail', 600, 9999 );
	
	// Post formats
	add_theme_support( 'post-formats', array( 'aside', 'audio', 'chat', 'gallery', 'image', 'link', 'quote', 'status', 'video' ) );

	// Custom header
	$args = array(
		'width'         => 1440,
		'height'        => 221,
		'default-image' => get_template_directory_uri() . '/images/header.jpg',
		'uploads'       => true,
		'header-text'  	=> false
	);
	add_theme_support( 'custom-header', $args );
	
	// Add support for title_tag
	add_theme_support('title-tag');
		
	// Add support for custom background
	$args = array(
		'default-color'	=> '#f1f1f1'
	);
	add_theme_support( "custom-background", $args );

	// Add nav menu
	register_nav_menu( 'primary', 'Primary Menu' );
	
	// Make the theme translation ready
	load_theme_textdomain('baskerville', get_template_directory() . '/languages');
	
	$locale = get_locale();
	$locale_file = get_template_directory() . "/languages/$locale.php";
	if ( is_readable($locale_file) )
	  require_once($locale_file);
	
}
add_action( 'after_setup_theme', 'baskerville_setup' );


/* ---------------------------------------------------------------------------------------------
   ENQUEUE SCRIPTS
   --------------------------------------------------------------------------------------------- */


function baskerville_load_javascript_files() {

	if ( ! is_admin() ) {
		wp_register_script( 'baskerville_imagesloaded', get_template_directory_uri() . '/js/imagesloaded.pkgd.js', '', true );
		wp_register_script( 'baskerville_flexslider', get_template_directory_uri() . '/js/flexslider.min.js', '', true );

		wp_enqueue_script( 'baskerville_global', get_template_directory_uri() . '/js/global.js', array( 'jquery', 'masonry', 'baskerville_imagesloaded', 'baskerville_flexslider' ), '', true );

		if ( is_singular() ) wp_enqueue_script( 'comment-reply' );
	}
}
add_action( 'wp_enqueue_scripts', 'baskerville_load_javascript_files' );


/* ---------------------------------------------------------------------------------------------
   ENQUEUE STYLES
   --------------------------------------------------------------------------------------------- */


function baskerville_load_style() {
	if ( !is_admin() ) {
	    wp_register_style( 'baskerville_googleFonts', '//fonts.googleapis.com/css?family=Roboto+Slab:400,700|Roboto:400,400italic,700,700italic,300|Pacifico:400' );
		wp_register_style( 'baskerville_style', get_template_directory_uri() . '/style.css' );
		
	    wp_enqueue_style( 'baskerville_googleFonts' );
	    wp_enqueue_style( 'baskerville_style' );
	}
}
add_action( 'wp_print_styles', 'baskerville_load_style' );


/* ---------------------------------------------------------------------------------------------
   ADD EDITOR STYLES
   --------------------------------------------------------------------------------------------- */


function baskerville_add_editor_styles() {
    add_editor_style( 'baskerville-editor-style.css' );
    $font_url = '//fonts.googleapis.com/css?family=Roboto+Slab:400,700|Roboto:400,400italic,700,700italic,300';
    add_editor_style( str_replace( ',', '%2C', $font_url ) );
}
add_action( 'init', 'baskerville_add_editor_styles' );


/* ---------------------------------------------------------------------------------------------
   ADD FOOTER WIDGET AREAS
   --------------------------------------------------------------------------------------------- */


function baskerville_sidebar_reg() {

	register_sidebar( array(
		'name' 			=> __( 'Footer A', 'baskerville' ),
		'id' 			=> 'footer-a',
		'description' 	=> __( 'Widgets in this area will be shown in the left column in the footer.', 'baskerville' ),
		'before_title' 	=> '<h3 class="widget-title">',
		'after_title' 	=> '</h3>',
		'before_widget' => '<div class="widget %2$s"><div class="widget-content">',
		'after_widget' 	=> '</div><div class="clear"></div></div>'
	) );

	register_sidebar( array(
		'name' 			=> __( 'Footer B', 'baskerville' ),
		'id' 			=> 'footer-b',
		'description' 	=> __( 'Widgets in this area will be shown in the middle column in the footer.', 'baskerville' ),
		'before_title' 	=> '<h3 class="widget-title">',
		'after_title' 	=> '</h3>',
		'before_widget' => '<div class="widget %2$s"><div class="widget-content">',
		'after_widget' 	=> '</div><div class="clear"></div></div>'
	) );

	register_sidebar( array(
		'name' 			=> __( 'Footer C', 'baskerville' ),
		'id' 			=> 'footer-c',
		'description' 	=> __( 'Widgets in this area will be shown in the right column in the footer.', 'baskerville' ),
		'before_title' 	=> '<h3 class="widget-title">',
		'after_title' 	=> '</h3>',
		'before_widget' => '<div class="widget %2$s"><div class="widget-content">',
		'after_widget' 	=> '</div><div class="clear"></div></div>'
	) );

	register_sidebar( array(
		'name' 			=> __( 'Sidebar', 'baskerville' ),
		'id'			=> 'sidebar',
		'description' 	=> __( 'Widgets in this area will be shown in the sidebar.', 'baskerville' ),
		'before_title' 	=> '<h3 class="widget-title">',
		'after_title' 	=> '</h3>',
		'before_widget' => '<div class="widget %2$s"><div class="widget-content">',
		'after_widget' 	=> '</div><div class="clear"></div></div>'
	) );

}
add_action( 'widgets_init', 'baskerville_sidebar_reg' ); 
	

/* ---------------------------------------------------------------------------------------------
   ADD THEME WIDGETS
   --------------------------------------------------------------------------------------------- */


require_once ( get_template_directory() . '/widgets/dribbble-widget.php' );
require_once ( get_template_directory() . '/widgets/flickr-widget.php' );


/* ---------------------------------------------------------------------------------------------
   SET CONTENT WIDTH
   --------------------------------------------------------------------------------------------- */


if ( ! isset( $content_width ) ) $content_width = 676;


/* ---------------------------------------------------------------------------------------------
   ADD CLASSES TO PAGINATION
   --------------------------------------------------------------------------------------------- */


function baskerville_pagination_classes_next() {
    return 'class="post-nav-older fleft"';
}
add_filter( 'next_posts_link_attributes', 'baskerville_pagination_classes_next' );

function baskerville_pagination_classes_prev() {
    return 'class="post-nav-newer fright"';
}
add_filter( 'previous_posts_link_attributes', 'baskerville_pagination_classes_prev' );


/* ---------------------------------------------------------------------------------------------
   CUSTOM NAV WALKER WITH HAS-CHILDREN CLASS
   --------------------------------------------------------------------------------------------- */


class baskerville_nav_walker extends Walker_Nav_Menu {
    function display_element( $element, &$children_elements, $max_depth, $depth = 0, $args, &$output ) {
        $id_field = $this->db_fields['id'];
        if ( ! empty( $children_elements[$element->$id_field] ) ) {
            $element->classes[] = 'has-children';
        }
        Walker_Nav_Menu::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
    }
}


/* ---------------------------------------------------------------------------------------------
   BODY CLASSES
   --------------------------------------------------------------------------------------------- */


function baskerville_body_classes( $classes ) {
	
	// If has post thumbnail
	$classes[] = has_post_thumbnail() ? 'has-featured-image' : 'no-featured-image';

	// If is mobile
	if ( wp_is_mobile() ) {
		$classes[] = 'is_mobile';
	}

	// Replicate single classes on other pages
	if ( is_singular() || is_404() ) {
		$classes[] = 'single single-post';
	}

	return $classes;

}
add_action( 'body_class', 'baskerville_body_classes' );


/* ---------------------------------------------------------------------------------------------
   CUSTOM EXCERPT LENGTH
   --------------------------------------------------------------------------------------------- */


function baskerville_custom_excerpt_length( $length ) {
	return 40;
}
add_filter( 'excerpt_length', 'baskerville_custom_excerpt_length', 999 );


/* ---------------------------------------------------------------------------------------------
   CUSTOM EXCERPT OUTPUT
   --------------------------------------------------------------------------------------------- */


function baskerville_new_excerpt_more( $more ) {
	return '... <a class="more-link" href="'. get_permalink( get_the_ID() ) . '">' . __(' Continue Reading', 'baskerville' ) . ' &rarr;</a>';
}
add_filter( 'excerpt_more', 'baskerville_new_excerpt_more' );


/* ---------------------------------------------------------------------------------------------
   BASKERVILLE META FUNCTION
   --------------------------------------------------------------------------------------------- */


function baskerville_meta() { ?>

	<div class="post-meta">
	
		<a class="post-date" href="<?php the_permalink(); ?>" title="<?php the_title_attribute(); ?>"><?php the_time( 'Y/m/d' ); ?></a>
		
		<?php
		
		if ( function_exists( 'zilla_likes' ) ) zilla_likes(); 
	
		if ( comments_open() ) {
			comments_popup_link( '0', '1', '%', 'post-comments' );
		}
		
		edit_post_link(); 
		
		?>
		
		<div class="clear"></div>
	
	</div><!-- .post-meta -->
	
<?php
}


/* ---------------------------------------------------------------------------------------------
   ADMIN CSS
   --------------------------------------------------------------------------------------------- */


function baskerville_admin_css() { ?>
	<style type="text/css">   
		#postimagediv #set-post-thumbnail img {
			max-width: 100%;
			height: auto;
		}
	</style>
	<?php 
}

add_action( 'admin_head', 'baskerville_admin_css' );


/* ---------------------------------------------------------------------------------------------
   FLEXSLIDER OUTPUT
   --------------------------------------------------------------------------------------------- */


function baskerville_flexslider( $size = 'thumbnail' ) {

	$attachment_parent = is_page() ? $post->ID : get_the_ID();

	$images = get_posts( array(
		'orderby'        	=> 'menu_order',
		'order'          	=> 'ASC',
		'post_mime_type' 	=> 'image',
		'post_parent'   	=> $attachment_parent,
		'post_status'    	=> null,
		'post_type'     	=> 'attachment',
		'posts_per_page'    => -1,
	) );

	if ( $images ) { ?>
	
		<div class="flexslider">
		
			<ul class="slides">
	
				<?php 
				foreach( $images as $image ) :
					$attimg = wp_get_attachment_image( $image->ID, $size ); ?>
					
					<li>
						<?php echo $attimg; ?>
						<?php if ( ! empty( $image->post_excerpt ) && is_single() ) : ?>
							<div class="media-caption-container">
								<p class="media-caption"><?php echo $image->post_excerpt; ?></p>
							</div>
						<?php endif; ?>
					</li>
					
					<?php 
				endforeach; 
				?>
		
			</ul>
			
		</div><!-- .flexslider -->
		
		<?php
		
	}
}


/* ---------------------------------------------------------------------------------------------
   BASKERVILLE COMMENT FUNCTION
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_comment' ) ) :
	function baskerville_comment( $comment, $args, $depth ) {
		$GLOBALS['comment'] = $comment;
		switch ( $comment->comment_type ) :
			case 'pingback' :
			case 'trackback' :
		?>
		
		<li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
		
			<?php __( 'Pingback:', 'baskerville' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'baskerville' ), '<span class="edit-link">', '</span>' ); ?>
			
		</li>
		<?php
				break;
			default :
			global $post;
		?>
		<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
		
			<div id="comment-<?php comment_ID(); ?>" class="comment">
			
				<?php echo get_avatar( $comment, 80 ); ?>
			
				<div class="comment-inner">

					<div class="comment-header">
												
						<?php printf( '<cite class="fn">%1$s</cite>',
							get_comment_author_link()
						); ?>
						
						<p><a href="<?php echo esc_url( get_comment_link( $comment->comment_ID ) ) ?>"><?php printf(  _x( '%s at %s', '[date] at [time of day]', 'baskerville' ), get_comment_date(), get_comment_time() ); ?></a></p>
						
						<div class="comment-actions">
						
							<?php edit_comment_link( __( 'Edit', 'baskerville' ), '', '' ); ?>
							
							<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'baskerville' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
							
							<div class="clear"></div>
						
						</div><!-- .comment-actions -->
						
					</div><!-- .comment-header -->

					<div class="comment-content">
					
						<?php if ( '0' == $comment->comment_approved ) : ?>
						
							<p class="comment-awaiting-moderation"><?php _e( 'Awaiting moderation', 'baskerville' ); ?></p>
							
						<?php endif; ?>
					
						<?php comment_text(); ?>
						
					</div><!-- .comment-content -->
					
					<div class="comment-actions-below hidden">
						
						<?php edit_comment_link( __( 'Edit', 'baskerville' ), '', '' ); ?>
						
						<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'baskerville' ), 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
						
						<div class="clear"></div>
					
					</div><!-- .comment-actions -->
					
				</div><!-- .comment-inner -->

			</div><!-- .comment-## -->
		<?php
			break;
		endswitch;
	}
endif;


/* ---------------------------------------------------------------------------------------------
   ADD TWITTER FIELD TO USER PROFILES
   --------------------------------------------------------------------------------------------- */


function baskerville_modify_contact_methods( $profile_fields ) {

	// Add new fields
	$profile_fields['twitter'] = __( 'Twitter-username (without the @)', 'baskerville' );

	return $profile_fields;
}
add_filter( 'user_contactmethods', 'baskerville_modify_contact_methods' );


/* ---------------------------------------------------------------------------------------------
   ADD OPTION FOR SHOWING OR HIDING EMAIL ADDRESS FOR AUTHORS
   --------------------------------------------------------------------------------------------- */

/* DISPLAY FIELDS */

function baskerville_show_extra_profile_fields( $user ) { ?>

	<h3><?php _e( 'Extra profile information', 'baskerville' ); ?></h3>

	<table class="form-table">

		<tr>
			<th><label for="showemail"><?php _e( 'Show email', 'baskerville' ); ?></label></th>

			<td>
				<input type="checkbox" name="showemail" id="showemail" value="yes"<?php if ( esc_attr( get_the_author_meta( "showemail", $user->ID )) == "yes") echo " checked"; ?> />	
				<span class="description"><?php _e( 'Check if you want to display your email address in single posts and the contributors page template.', 'baskerville' ); ?></span>
			</td>
		</tr>

	</table>
	<?php 
}
add_action( 'show_user_profile', 'baskerville_show_extra_profile_fields' );
add_action( 'edit_user_profile', 'baskerville_show_extra_profile_fields' );

/* SAVE FIELDS */

function baskerville_save_extra_profile_fields( $user_id ) {

	if ( ! current_user_can( 'edit_user', $user_id ) )
		return false;

	update_user_meta( $user_id, 'showemail', $_POST['showemail'] );

}
add_action( 'personal_options_update', 'baskerville_save_extra_profile_fields' );
add_action( 'edit_user_profile_update', 'baskerville_save_extra_profile_fields' );


/* ---------------------------------------------------------------------------------------------
   BASKERVILLE THEME OPTIONS
   --------------------------------------------------------------------------------------------- */


class baskerville_Customize {

   public static function register ( $wp_customize ) {
   
      //1. Define a new section (if desired) to the Theme Customizer
      $wp_customize->add_section( 'baskerville_options', 
         array(
            'title' => __( 'Baskerville Options', 'baskerville' ), //Visible title of section
            'priority' => 35, //Determines what order this appears in
            'capability' => 'edit_theme_options', //Capability needed to tweak
            'description' => __('Allows you to customize some settings for Baskerville.', 'baskerville'), //Descriptive tooltip
         ) 
      );
      
      $wp_customize->add_section( 'baskerville_logo_section' , array(
		    'title'       => __( 'Logo', 'baskerville' ),
		    'priority'    => 40,
		    'description' => 'Upload a logo to replace the default site name and description in the header',
		) );
      
      //2. Register new settings to the WP database...      
      $wp_customize->add_setting( 'baskerville_logo', 
      	array( 
      		'sanitize_callback' => 'esc_url_raw'
      	) 
      );
                  
      //3. Finally, we define the control itself (which links a setting to a section and renders the HTML controls)...
      $wp_customize->add_control( new WP_Customize_Image_Control( $wp_customize, 'baskerville_logo', array(
		    'label'    => __( 'Logo', 'baskerville' ),
		    'section'  => 'baskerville_logo_section',
		    'settings' => 'baskerville_logo',
		) ) );
      
      //4. We can also change built-in settings by modifying properties. For instance, let's make some stuff use live preview JS...
      $wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
      $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
   }
   
   public static function generate_css( $selector, $style, $mod_name, $prefix='', $postfix='', $echo=true ) {
      $return = '';
      $mod = get_theme_mod($mod_name);
      if ( ! empty( $mod ) ) {
         $return = sprintf('%s { %s:%s; }',
            $selector,
            $style,
            $prefix.$mod.$postfix
         );
         if ( $echo ) echo $return;
      }
      return $return;
    }
}

// Setup the Theme Customizer settings and controls...
add_action( 'customize_register' , array( 'baskerville_Customize' , 'register' ) );


?>