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functions.php
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functions.php
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<?php
/**
* Studium Generale 2013 functions and definitions
*
* @package Studium Generale 2013
* @since Studium Generale 2013 1.0
*/
/**
* Set the content width based on the theme's design and stylesheet.
*
* @since Studium Generale 2013 1.0
*/
if ( ! isset( $content_width ) )
$content_width = 740; /* pixels */
if ( ! function_exists( 'sg2013_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 Studium Generale 2013 1.0
*/
function sg2013_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/tweaks.php' );
/**
* Custom Theme Options
*/
//require( get_template_directory() . '/inc/theme-options/theme-options.php' );
/**
* WordPress.com-specific functions and definitions
*/
//require( get_template_directory() . '/inc/wpcom.php' );
/**
* Make theme available for translation
* Translations can be filed in the /languages/ directory
* If you're building a theme based on Studium Generale 2013, use a find and replace
* to change 'sg2013' to the name of your theme in all the template files
*/
load_theme_textdomain( 'sg2013', 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', 'sg2013' ),
) );
/**
* Add support for the Aside Post Formats
*/
add_theme_support( 'post-formats', array( 'aside', ) );
}
endif; // sg2013_setup
add_action( 'after_setup_theme', 'sg2013_setup' );
/**
* Register widgetized area and update sidebar with default widgets
*
* @since Studium Generale 2013 1.0
*/
function sg2013_widgets_init() {
register_sidebar( array(
'name' => __( 'Main Sidebar', 'sg2013' ),
'id' => 'sidebar-1',
'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'First Front Page Widget Area', 'sg2013' ),
'id' => 'sidebar-2',
'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Second Front Page Widget Area', 'sg2013' ),
'id' => 'sidebar-3',
'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Third Front Page Widget Area', 'sg2013' ),
'id' => 'sidebar-4',
'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Event Footer Widget A', 'sg2013' ),
'id' => 'sidebar-8',
'description' => __( 'Appears on event pages below the content', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Event Footer Widget B', 'sg2013' ),
'id' => 'sidebar-9',
'description' => __( 'Appears on event pages below the content', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'First 404 Widget Area', 'sg2013' ),
'id' => 'sidebar-10',
'description' => __( 'Appears when displaying the 404 error code page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Second 404 Widget Area', 'sg2013' ),
'id' => 'sidebar-11',
'description' => __( 'Appears when displaying the 404 error code page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Third 404 Widget Area', 'sg2013' ),
'id' => 'sidebar-12',
'description' => __( 'Appears when displaying the 404 error code page', 'sg2013' ),
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => '</aside>',
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
}
add_action( 'widgets_init', 'sg2013_widgets_init' );
/**
* Enqueue scripts and styles
*/
function sg2013_scripts() {
/*
* Loads our main stylesheet.
*/
wp_enqueue_style( 'style', get_stylesheet_uri() );
/*
* Adds JavaScript for handling the navigation menu hide-and-show behavior.
*/
wp_enqueue_script( 'small-menu', get_template_directory_uri() . '/js/small-menu.js', array( 'jquery' ), '20120206', true );
wp_enqueue_script( 'respond', get_template_directory_uri() . '/js/respond.src.js', array(), '1.1.0' );
/*
* Adds JavaScript to pages with the comment form to support
* sites with threaded comments (when in use).
*/
if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
wp_enqueue_script( 'comment-reply' );
}
/*
* Loads javascript to navigate images by keyboard
*/
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', 'sg2013_scripts' );
/**
* Enqueues scripts and styles for front-end.
*/
function sg2013_custom_fonts() {
/*
* Loads our special font CSS file.
*
* The use of Open Sans by default is localized. For languages that use
* characters not supported by the font, the font can be disabled.
*
* To disable in a child theme, use wp_dequeue_style()
* function mytheme_dequeue_fonts() {
* wp_dequeue_style( 'sg2013-fonts' );
* }
* add_action( 'wp_enqueue_scripts', 'mytheme_dequeue_fonts', 11 );
*/
/* translators: If there are characters in your language that are not supported
by Open Sans, translate this to 'off'. Do not translate into your own language. */
if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'sg2013' ) ) {
$subsets = 'latin,latin-ext';
/* translators: To add an additional Open Sans character subset specific to your language, translate
this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language. */
$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'sg2013' );
if ( 'cyrillic' == $subset )
$subsets .= ',cyrillic,cyrillic-ext';
elseif ( 'greek' == $subset )
$subsets .= ',greek,greek-ext';
elseif ( 'vietnamese' == $subset )
$subsets .= ',vietnamese';
$protocol = is_ssl() ? 'https' : 'http';
$query_args = array(
'family' => 'Open+Sans:400italic,700italic,400,700',
'subset' => $subsets,
);
//wp_enqueue_style( 'sg2013-fonts', add_query_arg( $query_args, "$protocol://fonts.googleapis.com/css" ), array(), null );
}
}
add_action( 'wp_enqueue_scripts', 'sg2013_custom_fonts' );
/**
* Extends the default WordPress body class to denote:
* 1. Using a full-width layout, when no active widgets in the sidebar
* or full-width template.
* 2. Front Page template: thumbnail in use and number of sidebars for
* widget areas.
* 3. White or empty background color to change the layout and spacing.
* 4. Custom fonts enabled.
* 5. Single or multiple authors.
*
* @param array Existing class values.
* @return array Filtered class values.
*/
function sg2013_body_class( $classes ) {
$background_color = get_background_color();
if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
$classes[] = 'full-width';
if ( is_page_template( 'page-templates/front-page.php' ) ) {
$classes[] = 'template-front-page';
if ( has_post_thumbnail() )
$classes[] = 'has-post-thumbnail';
}
if ( empty( $background_color ) )
$classes[] = 'custom-background-empty';
elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
$classes[] = 'custom-background-white';
// Enable custom font class only if the font CSS is queued to load.
if ( wp_style_is( 'sg2013-fonts', 'queue' ) )
$classes[] = 'custom-font-enabled';
if ( ! is_multi_author() )
$classes[] = 'single-author';
return $classes;
}
add_filter( 'body_class', 'sg2013_body_class' );
/**
* Implement the Custom Header feature
*/
//require( get_template_directory() . '/inc/custom-header.php' );
/**
* Remove obsolete options
*
* This removes the custom background or headers from the options menu. The reason is that
* the background is set in the CSS and should not be overridden at this point.
*/
if (!function_exists('sg_remove_theme_options')) {
add_action( 'after_setup_theme', 'sg_remove_theme_options');
function sg_remove_theme_options() {
remove_theme_support( 'custom-background' );
}
}
/**
* Add favicon
*/
if (!function_exists('sg_favicon_link')) {
add_action('wp_head', 'sg_favicon_link');
function sg_favicon_link() {
echo '<link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />' . "\n";
}
}
/*
* Looks for all posts in all post types when searching on tag
*/
if (!function_exists('post_type_tags_fix')) {
function post_type_tags_fix($request) {
if ( isset($request['tag']) && !isset($request['post_type']) )
$request['post_type'] = 'any';
return $request;
}
add_filter('request', 'post_type_tags_fix');
}
/**
* Register Sidebars And Widgets
*
* Removes the main sidebar from the theme and adds two sidebars that are shown on
* every page with a post.
*/
// Code for the shortcodes to work in widgets
add_filter( 'widget_text', 'shortcode_unautop');
add_filter( 'widget_text', 'do_shortcode');
/**
* Renew Headers
*
* Removes the default headers and adds all those available in the img/headers/ folder.
*/
if (!function_exists('sg_remove_twenty_eleven_headers')) {
// Do the action after the parent theme is done
add_action( 'after_setup_theme', 'sg_remove_twenty_eleven_headers', 11 );
function sg_remove_twenty_eleven_headers(){
unregister_default_headers( array(
'wheel',
'trolley',
'shore',
'pine-cone',
'chessboard',
'lanterns',
'willow' ,
'hanoi')
);
}
/* Build the Header Array from the theme headers */
function cms_theme_headers() {
$list = array();
$thumbs = array();
$imagepath = get_stylesheet_directory() .'/images/headers/';
$imageurl = get_stylesheet_directory_uri();
$dir_handle = @opendir($imagepath) or NULL; //die("Unable to open $path");
if ($dir_handle == NULL)
return array();
while($file = readdir($dir_handle))
{
if ($file == "." || $file == ".." || is_dir($file)) { continue; }
$filename = explode(".",$file);
$cnt = count($filename);
if (count($filename) < 2) { continue; }
$cnt--;
$ext = $filename[$cnt];
if (strtolower($ext) == ('png' || 'jpg'))
{
if (!strpos($file, '-thumbnail') > 0) {
$header = array(
'url' => $imageurl .'/images/headers/' .$file,
'thumbnail_url' => $imageurl .'/images/headers/' .$filename[0] .'-thumbnail.' .$ext,
'description' => __( $filename[0], 'sg' ),
'file' => $file,
);
array_push($list, $header);
} else {
array_push($thumbs, $filename[0]);
}
}
}
// Creates thumbnails if not available
foreach ($list as $header) {
if (!in_array($header['file'].'-thumbnail', $thumbs))
image_resize( $imagepath.$header['file'], 240, 48, true, 'thumbnail');
}
return $list;
}
// Add our own custom headers packaged with the child theme. in the child theme template directory 'img/headers/'
register_default_headers( cms_theme_headers() );
}
/**
* Custom Excerpt Length
*/
function custom_excerpt_length( $length ) {
return 30;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );
/**
* Excerpt More
*/
function new_excerpt_more($more) {
global $post;
return ' ... <a href="'. get_permalink($post->ID) . '">'.__('[more]', 'sg2013').'</a>';
}
add_filter('excerpt_more', 'new_excerpt_more');
/**
* Load bottombar template.
*
* Includes the bottombar template for a theme or if a name is specified then a
* specialised bottombar will be included.
*
* For the parameter, if the file is called "bottombar-special.php" then specify
* "special".
*
* @uses locate_template()
* @since 1.5.0
* @uses do_action() Calls 'get_bottombar' action.
*
* @param string $name The name of the specialised sidebar.
*/
function get_bottombar( $name = null ) {
do_action( 'get_bottombar', $name );
$templates = array();
if ( isset($name) )
$templates[] = "bottombar-{$name}.php";
$templates[] = 'sidebar.php';
// Backward compat code will be removed in a future release
if ('' == locate_template($templates, true))
load_template( ABSPATH . WPINC . '/theme-compat/sidebar.php');
}
/**
* Adds a custom login logo to the login page!
*/
function custom_login_logo() {
$path = '/images/logo_login.png';
$size = getimagesize( get_template_directory() . $path );
if ( $size ) :
echo '<style type="text/css">
body.login {
background-color: #ddd;
}
.login #nav, .login #backtoblog {
text-shadow: 0 1px 0 #bbb;
}
.login form {
box-shadow: 0 4px 10px -1px rgba(200, 200, 200, 1);
border: 1px solid #C5C5C5;
}
div.updated, .login .message {
box-shadow: 0 4px 10px -1px rgba(200, 200, 200, 1);
}
.login h1 a {
background-image: url(' . get_bloginfo('template_directory') . $path .') !important;
background-size: ' . $size[0] . 'px ' . $size[1] . 'px ;
height: ' . $size[1] . 'px;
}
#wp-social-login-connect-options a {
text-decoration: none;
}
</style>';
endif;
}
add_action( 'login_head', 'custom_login_logo' );
?>