<?php


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


if ( ! function_exists( 'baskerville_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' );

		// Set content width
		global $content_width;
		if ( ! isset( $content_width ) ) $content_width = 676;
			
		// 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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_load_javascript_files' ) ) {

	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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_load_style' ) ) {

	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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_sidebar_registration' ) ) {

	function baskerville_sidebar_registration() {

		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_registration' ); 

}
	

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


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


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


if ( ! function_exists( 'baskerville_pagination_classes_next' ) ) {

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

}

if ( ! function_exists( 'baskerville_pagination_classes_prev' ) ) {

	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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_custom_excerpt_length' ) ) {

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

}


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


if ( ! function_exists( 'baskerville_new_excerpt_more' ) ) {

	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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_meta' ) ) {

	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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_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
   --------------------------------------------------------------------------------------------- */


if ( ! function_exists( 'baskerville_flexslider' ) ) {

	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;
	}
}


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


if ( ! function_exists( 'baskerville_modify_contact_methods' ) ) {

	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 */

if ( ! function_exists( 'baskerville_show_extra_profile_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 */

if ( ! function_exists( 'baskerville_save_extra_profile_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' ) );


?>