Genesis – những hàm cơ bản

Genesis-những hàm hữu ích

Custom Header Support

/** Add custom header support */
add_theme_support( 'genesis-custom-header', array( 'width' => 960, 'height' => 100, 'textcolor' => '444', 'admin_header_callback' => 'minimum_admin_style' ) );

Remove Header

/** Remove Header */
remove_action( 'genesis_header', 'genesis_do_header' );

Remove Title & Description

/** Remove Title & Description */
remove_action( 'genesis_site_title', 'genesis_seo_site_title' );
remove_action( 'genesis_site_description', 'genesis_seo_site_description' );

Build a Custom Title

remove_action( 'genesis_site_title', 'genesis_seo_site_title' );
add_action( 'genesis_site_title', 'child_seo_site_title' );
/**
* Remove title, add <span> inbetween Buzz.
* Then add title back to header.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_seo_site_title() {
 
echo '<h1 id="title"><span>Buzz</span>Montgomery.com</h1>';
 
}

Move Navigation Menu

//** Move primary nav menu */
remove_action( 'genesis_after_header', 'genesis_do_nav' );
add_action( 'genesis_before_header', 'genesis_do_nav' );

Move Secondary Navigation Menu

/** Move secondary nav menu */
remove_action( 'genesis_after_header', 'genesis_do_subnav' );
add_action( 'genesis_before_header', 'genesis_do_subnav' );

Favicon To CDN

add_filter( 'genesis_pre_load_favicon', 'child_favicon_filter' );
/**
* Change the location of the favicon reference.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_favicon_filter( $favicon_url ) {
 
return 'http://cdn.yoursite.com/wp-content/themes/child/images/favicon.ico';
 
}

Stylesheet To CDN

remove_action( 'genesis_meta', 'genesis_load_stylesheet' );
add_action( 'genesis_meta', 'child_stylesheet_cdn' );
/**
* Change the location of the stylesheet reference.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_stylesheet_cdn() {
 
echo '<link rel="stylesheet" href="http://cdn.yourdomain.com/wp-content/themes/child/style.css" type="text/css" media="screen" />'."\n";
 
}

Move jQuery To Google CDN

add_action( 'wp_enqueue_scripts', 'script_managment', 99);
/**
* Change the location of jQuery.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function script_managment() {
wp_deregister_script( 'jquery' );
wp_deregister_script( 'jquery-ui' );
wp_register_script( 'jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js' );
wp_register_script( 'jquery-ui', 'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js' );
wp_enqueue_script( 'jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js', array( 'jquery' ), '4.0', false );
wp_enqueue_script( 'jquery-ui', 'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.16/jquery-ui.min.js', array( 'jquery' ), '1.8.16' );
}

Add viewport for responsive (mobile) design

/** Add Viewport meta tag for mobile browsers */
add_action( 'genesis_meta', 'child_viewport_meta_tag' );
function child_viewport_meta_tag() {
echo '<meta name="viewport" content="width=device-width, initial-scale=1.0"/>';
}

Template

Place WP-Cycle (must have WP-Cycle plug-in installed first)

/** Place WP-Cycle */
add_action( 'genesis_before_loop', 'wp_cycle' );

Image Sizes

/** Custom image sizes */
add_image_size( 'Slideshow', 520, 280, TRUE );
add_image_size( 'Small Thumbnail', 70, 70, TRUE );

Post Thumbnails

/** Add support for post thumbnails */
set_post_thumbnail_size( 300, 165, TRUE );

Post Formats

/** Add support for post formats */
add_theme_support( 'post-formats', array( 'aside', 'chat', 'gallery', 'image', 'link', 'quote', 'status', 'video', 'audio' ));
 
/** Add support for post format images */
add_theme_support( 'genesis-post-format-images' );

Unregister Site Layouts

/** Unregister site layouts */
genesis_unregister_layout( 'sidebar-content' )
genesis_unregister_layout( 'full-width' )
genesis_unregister_layout( 'content-sidebar-sidebar' );
genesis_unregister_layout( 'sidebar-sidebar-content' );
genesis_unregister_layout( 'sidebar-content-sidebar' );

Force Layout

add_filter( 'genesis_pre_get_option_site_layout', 'child_do_layout' );
/**
* Force layout
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_do_layout( $opt ) {
$opt = 'full-width-content'; // You can change this to any Genesis layout
return $opt;
}

Use the Genesis Custom Loop

remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_loop', 'custom_loop' );
/**
* Remove default loop. Execute Custom Loop Instead.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function custom_loop() {
global $paged;
 
$args = (array(
'category_name' => 'Blog',
'order' => 'asc',
'order_by'=> 'title',
'paged' => $paged,
'posts_per_page' => 5
));
 
genesis_custom_loop( $args );
 
}
genesis();

Create a custom homepage using home.php

<?php
 
remove_action( 'genesis_loop', 'genesis_do_loop' ); // Remove default loop
add_filter( 'genesis_pre_get_option_site_layout', '__genesis_return_full_width_content' ); // Set homepage width to FULL (optional can be removed)
add_action( 'genesis_loop', 'child_home_loop_helper' ); // Execute custom child loop
/**
* Remove default loop. Execute child loop instead.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_home_loop_helper() { ?>
 
<!--Custom Homepage Code Here -->
 
<?php }
 
genesis();

Use the Genesis Grid Loop in home.php

remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_loop', 'child_grid_loop_helper' );
/** Add support for Genesis Grid Loop **/
function child_grid_loop_helper() {
 
if ( function_exists( 'genesis_grid_loop' ) ) {
remove_action( 'genesis_before_post_content', 'generate_post_image', 5 );
genesis_grid_loop( array(
'features' => 2,
'feature_image_size' => 'large',
'feature_image_class' => 'aligncenter post-image',
'feature_content_limit' => 0,
'grid_image_size' => 'grid',
'grid_image_class' => 'alignleft post-image',
'grid_content_limit' => 0,
'more' => __( 'Continue reading...', 'genesis' ),
'posts_per_page' => 6,
) );
} else {
genesis_standard_loop();
}
 
}
 
genesis();

Filter out duplicate posts in the WordPress Loop

$do_not_duplicate = array();
query_posts( 'cat=featured&showposts=6' ); while ( have_posts() ) : the_post();
$do_not_duplicate[] = $post->ID;
<!-- do stuff -->
endwhile; wp_reset_query();

Add Widgets And WP-Cycle To home.php

remove_action( 'genesis_after_post_content', 'genesis_post_meta', 10 );
remove_action( 'genesis_loop', 'genesis_do_loop' );
add_action( 'genesis_before_loop', 'wp_cycle' );
add_action( 'genesis_loop', 'child_home_loop_helper' );
/**
* Add Widgets and WP-Cycle to home.php.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_home_loop_helper() { ?>
 
<div id="homepage_widgets">
<div class="column1">
<ul>
<?php if ( !function_exists( 'dynamic_sidebar' ) || !dynamic_sidebar( 'Home 1' ) ){ ?><?php } ?>
</ul>
</div>
<div class="column2">
<ul>
<?php if ( !function_exists( 'dynamic_sidebar' ) || !dynamic_sidebar( 'Home 2' ) ){ ?><?php } ?>
</ul>
</div>
</div>
 
<?php }
 
genesis();

Body

Remove Post Titles

/** Custom post titles */
remove_action( 'genesis_post_title','genesis_do_post_title' );

Remove Post Titles Using Conditional Tags

remove_action( 'genesis_post_title','genesis_do_post_title' );
add_action( 'genesis_post_title','child_post_title(' );
/**
* Remove Post Title with conditional tag.
*
*/
function child_post_title() {
 
if ( is_front_page() ) {
remove_action( 'genesis_post_title','genesis_do_post_title' );
 
}}

Body

Remove Post Titles

/** Custom post titles */
remove_action( 'genesis_post_title','genesis_do_post_title' );

Remove Post Titles Using Conditional Tags

remove_action( 'genesis_post_title','genesis_do_post_title' );
add_action( 'genesis_post_title','child_post_title(' );
/**
* Remove Post Title with conditional tag.
*
*/
function child_post_title() {
 
if ( is_front_page() ) {
remove_action( 'genesis_post_title','genesis_do_post_title' );
 
}}

Remove Edit Link

/** Remove Edit Link */
add_filter( 'edit_post_link', '__return_false' );

Remove default Post Image

/** Remove default post image */
remove_action( 'genesis_post_content', 'genesis_do_post_image' );

Add Post Image above Title

/** Add custom post image above post title */
add_action( 'genesis_before_post_content', 'generate_post_image', 5 );
function generate_post_image() {
 
if ( is_page() || ! genesis_get_option( 'content_archive_thumbnail' ) )
return;
 
if ( $image = genesis_get_image( array( 'format' => 'url', 'size' => genesis_get_option( 'image_size' ) ) ) ) {
printf( '<a href="%s" rel="bookmark"><img class="post-image" src="%s" alt="%s" /></a>', get_permalink(), $image, the_title_attribute( 'echo=0' ) );
}
 
}

Custom Post Info (with Shortcodes)

add_filter( 'genesis_post_info', 'child_post_info_filter' );
/**
* Custom Post Info with shortcodes.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_post_info_filter( $post_info ) {
return 'May 19, 2013 by Greg Rickaby at 10:37 2 Comments ';
}

Remove Post Info (Author and Date information)

/** Remove post info */
remove_action( 'genesis_before_post_content', 'genesis_post_info' );

Remove Post Meta

/** Remove the post meta function */
remove_action( 'genesis_after_post_content', 'genesis_post_meta' );

Custom Post Meta (With Shortcodes)

add_filter( 'genesis_post_meta', 'child_post_meta_filter' );
/**
* Custom Post Meta with shortcodes.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_post_meta_filter( $post_meta ) {
return 'Filed Under: Code Tagged with Tagged With: genesis, how to, snippets';
}

Read More Link

add_filter( 'excerpt_more', 'child_read_more_link' );
add_filter( 'get_the_content_more_link', 'child_read_more_link' );
add_filter( 'the_content_more_link', 'child_read_more_link' );
/**
* Custom Read More link.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_read_more_link() {
return '<a class="more-link" href="' . get_permalink() . '" rel="nofollow">Continue Reading...</a>';
}

Change Avatar Size

add_filter( 'genesis_comment_list_args', 'child_comment_list_args' );
/**
* Change Avatar size.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_comment_list_args( $args ) {
return array( 'type' => 'comment', 'avatar_size' => 42, 'callback' => 'genesis_comment_callback' );
}

Sidebars

Remove Default Sidebar

/** Remove default sidebar */
remove_action( 'genesis_sidebar', 'genesis_do_sidebar' );

Remove Secondary Sidebars

/** Remove secondary sidebar */
unregister_sidebar( 'header-right' );
unregister_sidebar( 'sidebar' );
unregister_sidebar( 'sidebar-alt' );

Add Custom Sidebar

/** Add custom sidebar */
genesis_register_sidebar(array(
'name'=>'Alternative Sidebar',
'id' => 'sidebar-alternative',
'description' => 'This is an alternative sidebar',
'before_widget' => '<div id="%1$s"><div class="widget %2$s">',
'after_widget' => "</div></div>\n",
'before_title' => '<h4><span>',
'after_title' => "</span></h4>\n"
));

Add Widgets

add_action( 'genesis_sidebar', 'child_do_sidebar' );
/**
* Add a widget/sidebar area.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_do_sidebar() {
if ( !function_exists( 'dynamic_sidebar' ) || !dynamic_sidebar( 'Sidebar Name' ) ) {
}}

Footer

Custom Footer and Footer Nav (with Shortcodes)

add_filter( 'genesis_footer_output', 'child_output_filter', 10, 3 );
/**
* Custom Footer with shortcodes.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_output_filter( $backtotop_text, $creds_text ) {
 
$backtotop_text = 'Top of Page';
$creds_text = wp_nav_menu( array( 'menu' => 'Footer Nav' ));
return '<div>' . $backtotop_text . '</div>' . '<div>' . $creds_text . '</div>';
 
}

Remove Footer Widgets (Genesis 1.6+)

/** Remove footer widgets */
remove_theme_support( 'genesis-footer-widgets', 3 );

Remove Footer

/** Remove Footer */
remove_action( 'genesis_footer', 'genesis_do_footer' );

Create a Custom Footer with HTML

remove_action( 'genesis_footer', 'genesis_do_footer' );
add_action( 'genesis_footer', 'child_footer_html' );
/**
* Custom Footer with HTML.
*
* @author Greg Rickaby
* @since 1.0.0
*/
function child_footer_html() { ?>
 
<div class="banner alignleft">
<!-- openx text/code here -->
</div>
<div class="creds">
<!-- credit text/code here -->
<div>
 
<?php }

Development

Get settings from database

genesis_get_option( 'option_name', $this->settings_field )

Get settings from database for custom metaboxes

genesis_get_custom_field( 'meta_box_option_name' )

Cache Bust your CSS

add_filter( 'stylesheet_uri', 'child_stylesheet_uri' );
/**
* Cache bust the style.css reference.
*
*/
function child_stylesheet_uri( $stylesheet_uri ) {
return add_query_arg( 'v', filemtime( get_stylesheet_directory() . '/style.css' ), $stylesheet_uri );
}