functions.php

<?php
/**
 * viastedebouw functions and definitions
 *
 * @package viastedebouw
 * @since viastedebouw 1.0
 */

/**
 * Set the content width based on the theme's design and stylesheet.
 *
 * @since viastedebouw 1.0
 */
if ( ! isset( $content_width ) )
	$content_width = 640; /* pixels */

/*
 * Load Jetpack compatibility file.
 */
require( get_template_directory() . '/inc/jetpack.php' );

if ( ! function_exists( 'viastedebouw_setup' ) ) :
/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which runs
 * before the init hook. The init hook is too late for some features, such as indicating
 * support post thumbnails.
 *
 * @since viastedebouw 1.0
 */
function viastedebouw_setup() {

	/**
	 * Custom template tags for this theme.
	 */
	require( get_template_directory() . '/inc/template-tags.php' );

	/**
	 * Custom functions that act independently of the theme templates
	 */
	require( get_template_directory() . '/inc/extras.php' );

	/**
	 * Customizer additions
	 */
	require( get_template_directory() . '/inc/customizer.php' );

	/**
	 * Make theme available for translation
	 * Translations can be filed in the /languages/ directory
	 * If you're building a theme based on viastedebouw, use a find and replace
	 * to change 'viastedebouw' to the name of your theme in all the template files
	 */
	load_theme_textdomain( 'viastedebouw', get_template_directory() . '/languages' );

	/**
	 * Add default posts and comments RSS feed links to head
	 */
	add_theme_support( 'automatic-feed-links' );

	/**
	 * Enable support for Post Thumbnails
	 */
	add_theme_support( 'post-thumbnails' );

	/**
	 * This theme uses wp_nav_menu() in one location.
	 */
	register_nav_menus( array(
		'primary' => __( 'Primary Menu', 'viastedebouw' ),
	) );

	/**
	 * Enable support for Post Formats
	 */
	add_theme_support( 'post-formats', array( 'aside', 'image', 'video', 'quote', 'link' ) );
}
endif; // viastedebouw_setup
add_action( 'after_setup_theme', 'viastedebouw_setup' );

/**
 * Setup the WordPress core custom background feature.
 *
 * Use add_theme_support to register support for WordPress 3.4+
 * as well as provide backward compatibility for WordPress 3.3
 * using feature detection of wp_get_theme() which was introduced
 * in WordPress 3.4.
 *
 * @todo Remove the 3.3 support when WordPress 3.6 is released.
 *
 * Hooks into the after_setup_theme action.
 */
function viastedebouw_register_custom_background() {
	$args = array(
		'default-color' => 'ffffff',
		'default-image' => '',
	);

	$args = apply_filters( 'viastedebouw_custom_background_args', $args );

	if ( function_exists( 'wp_get_theme' ) ) {
		add_theme_support( 'custom-background', $args );
	} else {
		define( 'BACKGROUND_COLOR', $args['default-color'] );
		if ( ! empty( $args['default-image'] ) )
			define( 'BACKGROUND_IMAGE', $args['default-image'] );
		add_custom_background();
	}
}
add_action( 'after_setup_theme', 'viastedebouw_register_custom_background' );

/**
 * Register widgetized area and update sidebar with default widgets
 *
 * @since viastedebouw 1.0
 */
function viastedebouw_widgets_init() {
	register_sidebar( array(
		'name' => __( 'Sidebar', 'viastedebouw' ),
		'id' => 'sidebar-1',
		'before_widget' => '<aside id="%1$s" class="widget %2$s">',
		'after_widget' => '</aside>',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	) );
	register_sidebar( array(
	    'name' => __( 'frontpage-top', 'viastedebouw' ),
	    'id' => 'frontpage-top',
	    'before_widget' => '<aside id="%1$s" class="widget %2$s">',
	    'after_widget' => '</aside>',
	    'before_title' => '<h2 class="widget-title">',
	    'after_title' => '</h2>',
  	) );
  	register_sidebar( array(
	    'name' => __( 'frontpage-side', 'viastedebouw' ),
	    'id' => 'frontpage-side',
	    'before_widget' => '<aside id="%1$s" class="widget %2$s">',
	    'after_widget' => '</aside>',
	    'before_title' => '<h2 class="widget-title">',
	    'after_title' => '</h2>',
  	) );
  	register_sidebar( array(
	    'name' => __( 'frontpage-bottom', 'viastedebouw' ),
	    'id' => 'frontpage-bottom',
	    'before_widget' => '<aside id="%1$s" class="widget %2$s">',
	    'after_widget' => '</aside>',
	    'before_title' => '<h2 class="widget-title">',
	    'after_title' => '</h2>',
  	) );
}
add_action( 'widgets_init', 'viastedebouw_widgets_init' );

/**
 * Enqueue scripts and styles
 */
function viastedebouw_scripts() {
	wp_enqueue_style( 'style', get_template_directory_uri().'/stylesheets/style.css' );

	wp_enqueue_script( 'navigation', get_template_directory_uri() . '/js/navigation.js', null, '20120206', true );

    wp_enqueue_script( 'skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array( ), '20130115', true );

	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}

	if ( is_singular() && wp_attachment_is_image() ) {
		wp_enqueue_script( 'keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20120202' );
	}
}
add_action( 'wp_enqueue_scripts', 'viastedebouw_scripts' );

/**
 * Implement the Custom Header feature
 */
//require( get_template_directory() . '/inc/custom-header.php' );


/**
 * Setup the WordPress core custom header feature.
 *
 * Use add_theme_support to register support for WordPress 3.4+
 * as well as provide backward compatibility for previous versions.
 * Use feature detection of wp_get_theme() which was introduced
 * in WordPress 3.4.
 *
 * @todo Rework this function to remove WordPress 3.4 support when WordPress 3.6 is released.
 *
 * @uses viastedebouw_header_style()
 * @uses viastedebouw_admin_header_style()
 * @uses viastedebouw_admin_header_image()
 *
 * @package viastedebouw
 */
function viastedebouw_custom_header_setup() {
	$args = array(
		'default-image'          => '',
		'default-text-color'     => '000',
		'width'                  => 500,
		'height'                 => 500,
		'flex-height'            => true,
		'wp-head-callback'       => 'viastedebouw_header_style',
		'admin-head-callback'    => 'viastedebouw_admin_header_style',
		'admin-preview-callback' => 'viastedebouw_admin_header_image',
	);

	$args = apply_filters( 'viastedebouw_custom_header_args', $args );

	if ( function_exists( 'wp_get_theme' ) ) {
		add_theme_support( 'custom-header', $args );
	} else {
		// Compat: Versions of WordPress prior to 3.4.
		define( 'HEADER_TEXTCOLOR',    $args['default-text-color'] );
		define( 'HEADER_IMAGE',        $args['default-image'] );
		define( 'HEADER_IMAGE_WIDTH',  $args['width'] );
		define( 'HEADER_IMAGE_HEIGHT', $args['height'] );
		add_custom_image_header( $args['wp-head-callback'], $args['admin-head-callback'], $args['admin-preview-callback'] );
	}
}
add_action( 'after_setup_theme', 'viastedebouw_custom_header_setup' );

/**
 * Shiv for get_custom_header().
 *
 * get_custom_header() was introduced to WordPress
 * in version 3.4. To provide backward compatibility
 * with previous versions, we will define our own version
 * of this function.
 *
 * @todo Remove this function when WordPress 3.6 is released.
 * @return stdClass All properties represent attributes of the curent header image.
 *
 * @package viastedebouw
 * @since viastedebouw 1.1
 */

if ( ! function_exists( 'get_custom_header' ) ) {
	function get_custom_header() {
		return (object) array(
			'url'           => get_header_image(),
			'thumbnail_url' => get_header_image(),
			'width'         => HEADER_IMAGE_WIDTH,
			'height'        => HEADER_IMAGE_HEIGHT,
		);
	}
}

if ( ! function_exists( 'viastedebouw_header_style' ) ) :
/**
 * Styles the header image and text displayed on the blog
 *
 * @see viastedebouw_custom_header_setup().
 *
 * @since viastedebouw 1.0
 */
function viastedebouw_header_style() {

	// If no custom options for text are set, let's bail
	// get_header_textcolor() options: HEADER_TEXTCOLOR is default, hide text (returns 'blank') or any hex value
	if ( HEADER_TEXTCOLOR == get_header_textcolor() )
		return;
	// If we get this far, we have custom styles. Let's do this.
	?>
	<style type="text/css">
	<?php
		// Has the text been hidden?
		if ( 'blank' == get_header_textcolor() ) :
	?>
		.site-title,
		.site-description {
			position: absolute !important;
			clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
			clip: rect(1px, 1px, 1px, 1px);
		}
	<?php
		// If the user has set a custom color for the text use that
		else :
	?>
		.site-title a,
		.site-description {
			color: #<?php echo get_header_textcolor(); ?> !important;
		}
	<?php endif; ?>
	</style>
	<?php
}
endif; // viastedebouw_header_style

if ( ! function_exists( 'viastedebouw_admin_header_style' ) ) :
/**
 * Styles the header image displayed on the Appearance > Header admin panel.
 *
 * @see viastedebouw_custom_header_setup().
 *
 * @since viastedebouw 1.0
 */
function viastedebouw_admin_header_style() {
?>
	<style type="text/css">
	.appearance_page_custom-header #headimg {
		border: none;
	}
	#headimg h1,
	#desc {
	}
	#headimg h1 {
	}
	#headimg h1 a {
	}
	#desc {
	}
	#headimg img {
	}
	</style>
<?php
}
endif; // viastedebouw_admin_header_style

if ( ! function_exists( 'viastedebouw_admin_header_image' ) ) :
/**
 * Custom header image markup displayed on the Appearance > Header admin panel.
 *
 * @see viastedebouw_custom_header_setup().
 *
 * @since viastedebouw 1.0
 */
function viastedebouw_admin_header_image() { ?>
	<div id="headimg">
		<?php
		if ( 'blank' == get_header_textcolor() || '' == get_header_textcolor() )
			$style = ' style="display:none;"';
		else
			$style = ' style="color:#' . get_header_textcolor() . ';"';
		?>
		<h1><a id="name"<?php echo $style; ?> onclick="return false;" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a></h1>
		<div id="desc"<?php echo $style; ?>><?php bloginfo( 'description' ); ?></div>
		<?php $header_image = get_header_image();
		if ( ! empty( $header_image ) ) : ?>
			<img src="<?php echo esc_url( $header_image ); ?>" alt="" />
		<?php endif; ?>
	</div>
<?php }
endif; // viastedebouw_admin_header_image