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<?php
/**
* Functions for registering and setting theme settings that tie into the WordPress theme customizer.
* This file loads additional classes and adds settings to the customizer for the built-in Hybrid Core
* settings.
*
* @package HybridCore
* @subpackage Functions
* @author Justin Tadlock <justin@justintadlock.com>
* @copyright Copyright (c) 2008 - 2012, Justin Tadlock
* @link http://themehybrid.com/hybrid-core
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
/* Load custom control classes. */
add_action( 'customize_register', 'hybrid_load_customize_controls', 1 );
/* Register custom sections, settings, and controls. */
add_action( 'customize_register', 'hybrid_customize_register' );
/* Add the footer content Ajax to the correct hooks. */
add_action( 'wp_ajax_hybrid_customize_footer_content', 'hybrid_customize_footer_content_ajax' );
add_action( 'wp_ajax_nopriv_hybrid_customize_footer_content', 'hybrid_customize_footer_content_ajax' );
/**
* Loads framework-specific customize control classes. Customize control classes extend the WordPress
* WP_Customize_Control class to create unique classes that can be used within the framework.
*
* @since 1.4.0
* @access private
*/
function hybrid_load_customize_controls() {
/* Loads the textarea customize control class. */
require_once( trailingslashit( HYBRID_CLASSES ) . 'customize-control-textarea.php' );
}
/**
* Registers custom sections, settings, and controls for the $wp_customize instance.
*
* @since 1.4.0
* @access private
* @param object $wp_customize
*/
function hybrid_customize_register( $wp_customize ) {
/* Get supported theme settings. */
$supports = get_theme_support( 'hybrid-core-theme-settings' );
/* Get the theme prefix. */
$prefix = hybrid_get_prefix();
/* Get the default theme settings. */
$default_settings = hybrid_get_default_theme_settings();
/* Add the footer section, setting, and control if theme supports the 'footer' setting. */
if ( is_array( $supports[0] ) && in_array( 'footer', $supports[0] ) ) {
/* Add the footer section. */
$wp_customize->add_section(
'hybrid-core-footer',
array(
'title' => esc_html__( 'Footer', 'hybrid-core' ),
'priority' => 200,
'capability' => 'edit_theme_options'
)
);
/* Add the 'footer_insert' setting. */
$wp_customize->add_setting(
"{$prefix}_theme_settings[footer_insert]",
array(
'default' => $default_settings['footer_insert'],
'type' => 'option',
'capability' => 'edit_theme_options',
'sanitize_callback' => 'hybrid_customize_sanitize',
'sanitize_js_callback' => 'hybrid_customize_sanitize',
'transport' => 'postMessage',
)
);
/* Add the textarea control for the 'footer_insert' setting. */
$wp_customize->add_control(
new Hybrid_Customize_Control_Textarea(
$wp_customize,
'hybrid-core-footer',
array(
'label' => esc_html__( 'Footer', 'hybrid-core' ),
'section' => 'hybrid-core-footer',
'settings' => "{$prefix}_theme_settings[footer_insert]",
)
)
);
/* If viewing the customize preview screen, add a script to show a live preview. */
if ( $wp_customize->is_preview() && !is_admin() )
add_action( 'wp_footer', 'hybrid_customize_preview_script', 21 );
}
}
/**
* Sanitizes the footer content on the customize screen. Users with the 'unfiltered_html' cap can post
* anything. For other users, wp_filter_post_kses() is ran over the setting.
*
* @since 1.4.0
* @access public
* @param mixed $setting The current setting passed to sanitize.
* @param object $object The setting object passed via WP_Customize_Setting.
* @return mixed $setting
*/
function hybrid_customize_sanitize( $setting, $object ) {
/* Get the theme prefix. */
$prefix = hybrid_get_prefix();
/* Make sure we kill evil scripts from users without the 'unfiltered_html' cap. */
if ( "{$prefix}_theme_settings[footer_insert]" == $object->id && !current_user_can( 'unfiltered_html' ) )
$setting = stripslashes( wp_filter_post_kses( addslashes( $setting ) ) );
/* Return the sanitized setting and apply filters. */
return apply_filters( "{$prefix}_customize_sanitize", $setting, $object );
}
/**
* Runs the footer content posted via Ajax through the do_shortcode() function. This makes sure the
* shortcodes are output correctly in the live preview.
*
* @since 1.4.0
* @access private
*/
function hybrid_customize_footer_content_ajax() {
/* Check the AJAX nonce to make sure this is a valid request. */
check_ajax_referer( 'hybrid_customize_footer_content_nonce' );
/* If footer content has been posted, run it through the do_shortcode() function. */
if ( isset( $_POST['footer_content'] ) )
echo do_shortcode( wp_kses_stripslashes( $_POST['footer_content'] ) );
/* Always die() when handling Ajax. */
die();
}
/**
* Handles changing settings for the live preview of the theme.
*
* @since 1.4.0
* @access private
*/
function hybrid_customize_preview_script() {
/* Create a nonce for the Ajax. */
$nonce = wp_create_nonce( 'hybrid_customize_footer_content_nonce' );
?>
<script type="text/javascript">
wp.customize(
'<?php echo hybrid_get_prefix(); ?>_theme_settings[footer_insert]',
function( value ) {
value.bind(
function( to ) {
jQuery.post(
'<?php echo admin_url( 'admin-ajax.php' ); ?>',
{
action: 'hybrid_customize_footer_content',
_ajax_nonce: '<?php echo $nonce; ?>',
footer_content: to
},
function( response ) {
jQuery( '.footer-content' ).html( response );
}
);
}
);
}
);
</script>
<?php
}
?>
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