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functions.php
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functions.php
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<?php
/**
* IssueM Magazine functions and definitions.
*
* Sets up the theme and provides some helper functions, which are used
* in the theme as custom template tags. Others are attached to action and
* filter hooks in WordPress to change core functionality.
*
* When using a child theme (see http://codex.wordpress.org/Theme_Development and
* http://codex.wordpress.org/Child_Themes), you can override certain functions
* (those wrapped in a function_exists() call) by defining them first in your child theme's
* functions.php file. The child theme's functions.php file is included before the parent
* theme's file, so the child theme functions would be used.
*
* Functions that are not pluggable (not wrapped in function_exists()) are instead attached
* to a filter or action hook.
*
* For more information on hooks, actions, and filters, see http://codex.wordpress.org/Plugin_API.
*
* @package IssueM Magazine
* @since 1.0.0
*/
//Define global variables...
if ( !defined( 'ZEEN101_STORE_URL' ) )
define( 'ZEEN101_STORE_URL', 'http://issuem.com' );
define( 'ZEEN101_THEME_NAME', 'IssueM Magazine Theme' );
define( 'ZEEN101_THEME_SLUG', 'issuem-magazine' );
define( 'ZEEN101_THEME_VERSION', '1.0.0' );
define( 'ZEEN101_THEME_URL', get_template_directory_uri() );
define( 'ZEEN101_THEME_PATH', get_template_directory() );
define( 'ZEEN101_THEME_BASENAME', wp_basename( __FILE__ ) );
define( 'ZEEN101_THEME_REL_DIR', dirname( ZEEN101_THEME_BASENAME ) );
/**
* Sets up the content width value based on the theme's design and stylesheet.
*/
if ( ! isset( $content_width ) )
$content_width = 625;
if ( ! function_exists( 'issuem_magazine_setup' ) ) {
function issuem_magazine_setup() {
/* Make IssueM Magazine Theme available for translation.
* Translations can be added to the /i18n/ directory.
* If you're building a theme based on IssueM Magazine, use a find and replace
* to change 'issuem-magazine' to the name of your theme in all the template files.
*/
load_theme_textdomain( 'issuem-magazine', get_template_directory() . '/i18n' );
// This theme styles the visual editor with editor-style.css to match the theme style.
add_editor_style();
// Add default posts and comments RSS feed links to <head>.
add_theme_support( 'automatic-feed-links' );
// This theme uses wp_nav_menu() in one location.
register_nav_menu( 'header-menu', __( 'Header Menu', 'issuem-magazine' ) );
// This theme uses wp_nav_menu() in one location.
register_nav_menu( 'footer-menu', __( 'Footer Menu', 'issuem-magazine' ) );
// This theme uses Featured Images (also known as post thumbnails) for per-post/per-page Custom Header images
add_theme_support( 'post-thumbnails' );
/*
* This theme supports custom background color and image, and here
* we also set up the default background color.
*/
add_theme_support( 'custom-background', array(
'default-color' => 'FEFDF4',
) );
// We'll be using post thumbnails for custom header images on posts and pages.
// We want them to be the size of the header image that we just defined
// Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.
set_post_thumbnail_size( 150, 150, true );
// Used for article feature images.
add_image_size( 'article-feature', 625, 375, true );
// Used for large feature front-page images.
add_image_size( 'large-feature', 450, 275, true );
// Used for small feature front-page images.
add_image_size( 'small-feature', 130, 130, true );
// Used for small feature category-page images.
add_image_size( 'small-cat-feature', 175, 175, true );
//We want to use our own scripts
add_filter( 'enqueue_issuem_styles', '__return_false' );
add_filter( 'pre_set_site_transient_update_themes', 'issuem_magazine_update' );
if ( is_admin() ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
if ( !is_plugin_active( 'issuem/issuem.php' ) ) {
add_action( 'admin_notices', 'activate_issuem_admin_notice' );
}
}
}
add_action( 'after_setup_theme', 'issuem_magazine_setup' );
}
if ( !function_exists( 'activate_issuem_admin_notice' ) ) {
/**
* Helper function used print error nag if IssueM is not activated
*
* @since 1.0.0
*/
function activate_issuem_admin_notice() {
?>
<div class="error">
<p><?php _e( "Error! You must have the IssueM plugin activated to use IssueM's Magazine Theme.", 'issuem-magazine' ); ?></p>
</div>
<?php
}
}
if ( !function_exists( 'issuem_magazine_theme_menu' ) ) {
function issuem_magazine_theme_menu() {
add_theme_page( __( 'Theme License', 'issuem-magazine-theme' ), __( 'Theme License', 'issuem-magazine-theme' ), 'manage_options', 'issuem-magazine-theme-license', 'issuem_magazine_theme_license_page' );
}
add_action( 'admin_menu', 'issuem_magazine_theme_menu' );
}
if ( !function_exists( 'issuem_magazine_theme_license_page' ) ) {
function issuem_magazine_theme_license_page() {
$license_key = get_option( 'issuem_magazine_theme_license_key' );
$license_status = get_option( 'issuem_magazine_theme_license_key_status' );
?>
<div class="wrap">
<div style="width:70%;" class="postbox-container">
<div class="metabox-holder">
<div class="meta-box-sortables ui-sortable">
<h2 style='margin-bottom: 10px;' ><?php _e( 'IssueM Magazine Theme Settings', 'issuem-magazine-theme' ); ?></h2>
<div id="license-key" class="postbox">
<div class="handlediv" title="Click to toggle"><br /></div>
<h3 class="hndle"><span><?php _e( 'License Key', 'issuem' ); ?></span></h3>
<div class="inside">
<form method="post" action="options.php">
<?php settings_fields( 'issuem_magazine_theme_license' ); ?>
<table class="form-table">
<tbody>
<tr valign="top">
<th scope="row" valign="top">
<?php _e('License Key'); ?>
</th>
<td>
<input id="issuem_magazine_theme_license_key" name="issuem_magazine_theme_license_key" type="text" class="regular-text" value="<?php esc_attr_e( $license_key ); ?>" />
<?php if( $license_status !== false && $license_status == 'valid' ) { ?>
<span style="color:green;"><?php _e('active'); ?></span>
<input type="submit" class="button-secondary" name="issuem_magazine_theme_license_deactivate" value="<?php _e( 'Deactivate License', 'issuem-magazine-theme' ); ?>"/>
<?php } else { ?>
<input type="submit" class="button-secondary" name="issuem_magazine_theme_license_activate" value="<?php _e( 'Activate License', 'issuem-magazine-theme' ); ?>"/>
<?php } ?>
<?php wp_nonce_field( 'verify', 'license_wpnonce' ); ?>
</td>
</tr>
</tbody>
</table>
<?php submit_button(); ?>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
<?php
}
}
function issuem_magazine_theme_register_option() {
// creates our settings in the options table
register_setting( 'issuem_magazine_theme_license', 'issuem_magazine_theme_license_key', 'issuem_magazine_theme_sanitize_license' );
register_setting( 'issuem_magazine_theme_license', 'issuem_magazine_theme_license_status', 'issuem_magazine_theme_sanitize_license_status' );
}
add_action( 'admin_init', 'issuem_magazine_theme_register_option' );
function issuem_magazine_theme_sanitize_license( $new ) {
$old = get_option( 'issuem_magazine_theme_license_key' );
if( $old && $old != $new ) {
delete_option( 'issuem_magazine_theme_license_key_status' ); // new license has been entered, so must reactivate
}
return $new;
}
function issuem_magazine_theme_sanitize_license_status( $new ) {
issuem_magazine_theme_activate_license();
issuem_magazine_theme_deactivate_license();
return $new;
}
function issuem_magazine_theme_activate_license() {
if( isset( $_REQUEST['issuem_magazine_theme_license_activate'] ) ) {
if( ! check_admin_referer( 'verify', 'license_wpnonce' ) )
return; // get out if we didn't click the Activate button
$license_key = trim( get_option( 'issuem_magazine_theme_license_key' ) );
$api_params = array(
'edd_action' => 'activate_license',
'license' => $license_key,
'item_name' => urlencode( ZEEN101_THEME_NAME )
);
$response = wp_remote_get( add_query_arg( $api_params, ZEEN101_STORE_URL ), array( 'timeout' => 15, 'sslverify' => false ) );
if ( is_wp_error( $response ) )
return false;
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "active" or "inactive"
update_option( 'issuem_magazine_theme_license_key_status', $license_data->license );
}
}
/***********************************************
* Illustrates how to deactivate a license key.
* This will descrease the site count
***********************************************/
function issuem_magazine_theme_deactivate_license() {
// listen for our activate button to be clicked
if( isset( $_REQUEST['issuem_magazine_theme_license_deactivate'] ) ) {
// run a quick security check
if( ! check_admin_referer( 'verify', 'license_wpnonce' ) )
return; // get out if we didn't click the Activate button
// retrieve the license from the database
$license_key = trim( get_option( 'issuem_magazine_theme_license_key' ) );
// data to send in our API request
$api_params = array(
'edd_action' => 'deactivate_license',
'license' => $license_key,
'item_name' => urlencode( ZEEN101_THEME_NAME ) // the name of our product in EDD
);
// Call the custom API.
$response = wp_remote_get( add_query_arg( $api_params, ZEEN101_STORE_URL ), array( 'timeout' => 15, 'sslverify' => false ) );
// make sure the response came back okay
if ( is_wp_error( $response ) )
return false;
// decode the license data
$license_data = json_decode( wp_remote_retrieve_body( $response ) );
// $license_data->license will be either "deactivated" or "failed"
if( $license_data->license == 'deactivated' ) {
delete_option( 'issuem_magazine_theme_license_key' );
delete_option( 'issuem_magazine_theme_license_key_status' );
}
}
}
/**
* Enables Theme Update via the WordPress Update API
*
* @since 1.0.0
*
* @param object $transient Transient object of theme updates
*/
function issuem_magazine_update( $_transient_data ) {
if( empty( $_transient_data->checked ) )
return $_transient_data;
$license_key = get_option( 'issuem_magazine_theme_license_key' );
// The transient contains the 'checked' information
// Now append to it information form your own API
$to_send = array(
'slug' => ZEEN101_THEME_SLUG,
'name' => ZEEN101_THEME_NAME,
'license' => $license_key,
);
$api_response = issuem_api_request( 'plugin_latest_version', $to_send );
if( false !== $api_response && is_object( $api_response ) )
if( version_compare( $api_response->new_version, $_transient_data->checked[ZEEN101_THEME_SLUG], '>' ) )
$_transient_data->response[ZEEN101_THEME_SLUG] = (array)$api_response;
return $_transient_data;
}
/**
* Adds support for a custom header image.
*/
require( get_template_directory() . '/include/custom-header.php' );
if ( ! function_exists( 'issuem_magazine_widgets_init' ) ) {
function issuem_magazine_widgets_init() {
register_sidebar( array(
'name' => __( 'Header Widgets', 'issuem' ),
'id' => 'header-widgets',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => "</aside>",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Primary Widgets', 'issuem' ),
'id' => 'primary-widgets',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => "</aside>",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget 1', 'issuem' ),
'id' => 'footer-widget-1',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => "</aside>",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget 2', 'issuem' ),
'id' => 'footer-widget-2',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => "</aside>",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
register_sidebar( array(
'name' => __( 'Footer Widget 3', 'issuem' ),
'id' => 'footer-widget-3',
'before_widget' => '<aside id="%1$s" class="widget %2$s">',
'after_widget' => "</aside>",
'before_title' => '<h3 class="widget-title">',
'after_title' => '</h3>',
) );
}
add_action( 'widgets_init', 'issuem_magazine_widgets_init' );
}
/**
* Checks to see if we're on the Current Issue page and redirects to taxonomy-issuem_issue.php template
*
* @since 1.0.0
*/
function issuem_magazine_current_issue_template_include( $template ) {
$settings = get_issuem_settings();
if ( 0 < $settings['page_for_articles'] && is_page( $settings['page_for_articles'] ) ) {
return get_query_template( 'taxonomy', array( 'taxonomy-issuem_issue.php' ) );
}
return $template;
}
add_action( 'template_include', 'issuem_magazine_current_issue_template_include' );
/**
* Enqueues scripts and styles for front-end.
*
* @since 1.0.0
*/
function issuem_magazine_scripts_styles() {
global $wp_styles;
/*
* 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 our theme javascript
*/
wp_enqueue_script( 'global', get_bloginfo('stylesheet_directory') . '/js/global.js', 'jquery' );
/*
* Loads our theme stylesheets.
*/
wp_enqueue_style( 'issuem-magazine-style', get_stylesheet_uri() );
wp_enqueue_style( 'issuem-specific-style', ZEEN101_THEME_URL . '/css/issuem.css', array( 'issuem-magazine-style' ), ZEEN101_THEME_VERSION );
/*
* Loads the Internet Explorer specific stylesheet.
*/
wp_enqueue_style( 'issuem-magazine-ie', get_template_directory_uri() . '/css/ie.css', array( 'issuem-magazine-style' ), '20121010' );
$wp_styles->add_data( 'issuem-magazine-ie', 'conditional', 'lt IE 9' );
}
add_action( 'wp_enqueue_scripts', 'issuem_magazine_scripts_styles' );
if ( ! function_exists( 'issuem_magazine_entry_meta' ) ) {
/**
* Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
*
* Create your own issuem-magazine_entry_meta() to override in a child theme.
*
* @since Twenty Twelve 1.0
*/
function issuem_magazine_entry_meta() {
// Translators: used between list items, there is a space after the comma.
$categories_list = get_the_category_list( __( ', ', 'issuem-magazine' ) );
// Translators: used between list items, there is a space after the comma.
$tag_list = get_the_tag_list( '', __( ', ', 'issuem-magazine' ) );
$date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
esc_url( get_permalink() ),
esc_attr( get_the_time() ),
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() )
);
$author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
esc_attr( sprintf( __( 'View all posts by %s', 'issuem-magazine' ), get_the_author() ) ),
get_the_author()
);
// Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
if ( $tag_list ) {
$utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'issuem-magazine' );
} elseif ( $categories_list ) {
$utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'issuem-magazine' );
} else {
$utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'issuem-magazine' );
}
printf(
$utility_text,
$categories_list,
$tag_list,
$date,
$author
);
}
}
if ( ! function_exists( 'issuem_magazine_content_nav' ) ) {
/**
* Displays navigation to next/previous pages when applicable.
*
* @since 1.0.0
*/
function issuem_magazine_content_nav( $html_id ) {
global $wp_query;
$html_id = esc_attr( $html_id );
if ( $wp_query->max_num_pages > 1 ) : ?>
<nav id="<?php echo $html_id; ?>" class="navigation" role="navigation">
<h3 class="assistive-text"><?php _e( 'Post navigation', 'issuem-magazine' ); ?></h3>
<div class="nav-previous alignleft"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'issuem-magazine' ) ); ?></div>
<div class="nav-next alignright"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'issuem-magazine' ) ); ?></div>
</nav><!-- #<?php echo $html_id; ?> .navigation -->
<?php endif;
}
}
if ( ! function_exists( 'issuem_magazine_comment' ) ) {
/**
* Template for comments and pingbacks.
*
* To override this walker in a child theme without modifying the comments template
* simply create your own issuem_magazine_comment(), and that function will be used instead.
*
* Used as a callback by wp_list_comments() for displaying the comments.
*
* @since 1.0.0
*/
function issuem_magazine_comment( $comment, $args, $depth ) {
$GLOBALS['comment'] = $comment;
switch ( $comment->comment_type ) :
case 'pingback' :
case 'trackback' :
// Display trackbacks differently than normal comments.
?>
<li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
<p><?php _e( 'Pingback:', 'issuem-magazine' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'issuem-magazine' ), '<span class="edit-link">', '</span>' ); ?></p>
<?php
break;
default :
// Proceed with normal comments.
global $post;
?>
<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
<article id="comment-<?php comment_ID(); ?>" class="comment">
<header class="comment-meta comment-author vcard">
<?php
echo get_avatar( $comment, 44 );
printf( '<cite class="fn">%1$s %2$s</cite>',
get_comment_author_link(),
// If current post author is also comment author, make it known visually.
( $comment->user_id === $post->post_author ) ? '<span> ' . __( 'Post author', 'issuem-magazine' ) . '</span>' : ''
);
printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
esc_url( get_comment_link( $comment->comment_ID ) ),
get_comment_time( 'c' ),
/* translators: 1: date, 2: time */
sprintf( __( '%1$s at %2$s', 'issuem-magazine' ), get_comment_date(), get_comment_time() )
);
?>
</header><!-- .comment-meta -->
<?php if ( '0' == $comment->comment_approved ) : ?>
<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'issuem-magazine' ); ?></p>
<?php endif; ?>
<section class="comment-content comment">
<?php comment_text(); ?>
<?php edit_comment_link( __( 'Edit', 'issuem-magazine' ), '<p class="edit-link">', '</p>' ); ?>
</section><!-- .comment-content -->
<div class="reply">
<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'issuem-magazine' ), 'after' => ' <span>↓</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
</div><!-- .reply -->
</article><!-- #comment-## -->
<?php
break;
endswitch; // end comment_type check
}
}
if ( !function_exists( 'include_issuem_articles' ) ) {
/**
* We want to include Articles with Posts on the Author's pages
*
* @since 1.0.0
*/
function include_issuem_articles( $query ) {
if ( !empty( $query->query_vars['post_type'] ) && 'nav_menu_item' === $query->query_vars['post_type'] )
return;
if ( is_author() )
$query->set( 'post_type', array( 'post', 'article' ) );
}
add_action( 'pre_get_posts', 'include_issuem_articles' );
}
if ( !function_exists( 'issuem_magazine_article_meta' ) ) {
function issuem_magazine_article_meta() {
global $post;
$author_name = get_the_author_meta( 'display_name' );
$byline = sprintf( __( 'By %s | ', 'issuem' ), apply_filters( 'issuem_author_name', $author_name, $post->ID ) );
echo $byline;
$issues = get_the_terms( $post->ID, 'issuem_issue' );
foreach( $issues as $issue ) {
$issue_list[] = '<a href="' . add_query_arg( 'issue', $issue->slug, '/' ) . '">' . $issue->name . '</a>';
}
$article_issue = join( ' | ', $issue_list );
echo $article_issue . ' | ';
$issuem_settings = get_issuem_settings();
if ( !empty( $issuem_settings['use_wp_taxonomies'] ) )
$article_categories = get_the_term_list( $post->ID, 'category', '', ', ', ' | ' );
else
$article_categories = get_the_term_list( $post->ID, 'issuem_issue_categories', '', ', ', ' | ' );
if ( '' != $article_categories )
echo $article_categories;
}
}