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Removes the CiviCRM 5.12.x menu from the front-end in WordPress
<?php /*
--------------------------------------------------------------------------------
Plugin Name: CiviCRM Remove KAM
Description: Removes CiviCRM's menu on the front-end.
Author: Christian Wach
Version: 0.1
Author URI: http://haystack.co.uk
Depends: CiviCRM
--------------------------------------------------------------------------------
*/
/**
* CiviCRM Remove KAM class.
*
* A class for encapsulating plugin functionality.
*
* @since 0.1
*/
class CiviCRM_Remove_KAM {
/**
* Initialise this object.
*
* @since 0.1
*/
public function __construct() {
// Bail if CiviCRM plugin is not present.
if ( ! function_exists( 'civi_wp' ) ) return;
// Finally, register hooks.
$this->register_hooks();
}
/**
* Check if CiviCRM is initialised.
*
* @since 0.1
*
* @return bool True if CiviCRM initialised, false otherwise.
*/
public function is_civicrm_initialised() {
// Init only when CiviCRM is fully installed.
if ( ! defined( 'CIVICRM_INSTALLED' ) ) return false;
if ( ! CIVICRM_INSTALLED ) return false;
// Bail if no CiviCRM init function.
if ( ! function_exists( 'civi_wp' ) ) return false;
// Try and initialise CiviCRM.
return civi_wp()->initialize();
}
/**
* Register hooks.
*
* @since 0.1
*/
public function register_hooks() {
// Hook in just before CiviCRM.
add_action( 'wp_head', array( $this, 'resources_disable' ), 9 );
}
/**
* Disable CiviCRM resources from front-end.
*
* @since 0.1
*/
public function resources_disable() {
// Kick out if no CiviCRM.
if ( ! $this->is_civicrm_initialised() ) return;
// Only on front-end.
if ( ! is_admin() ) {
// Define resources to disable.
$remove = array(
'bower_components/smartmenus/dist/jquery.smartmenus.min.js',
'bower_components/smartmenus/dist/addons/keyboard/jquery.smartmenus.keyboard.min.js',
'js/crm.menubar.js',
'bower_components/smartmenus/dist/css/sm-core-css.css',
'css/crm-menubar.css',
'css/menubar-wordpress.css',
);
// Disable KAM resources.
foreach( $remove AS $item ) {
$this->resource_disable( 'civicrm', $item );
}
}
}
/**
* Disable a resource enqueued by CiviCRM.
*
* @since 0.1
*
* @param str $extension The name of the extension e.g. 'org.civicrm.shoreditch'. Default is CiviCRM core.
* @param str $file The relative path to the resource. Default is CiviCRM core stylesheet.
*/
public function resource_disable( $extension = 'civicrm', $file = 'css/civicrm.css' ) {
// Kick out if no CiviCRM.
if ( ! $this->is_civicrm_initialised() ) return;
// Get the resource URL.
$url = $this->resource_get_url( $extension, $file );
// Kick out if not enqueued.
if ( $url === false ) return;
// Set to disabled.
CRM_Core_Region::instance( 'html-header' )->update( $url, array( 'disabled' => TRUE ) );
}
/**
* Get the URL of a resource if it is enqueued by CiviCRM.
*
* @since 0.1
*
* @param str $extension The name of the extension e.g. 'org.civicrm.shoreditch'. Default is CiviCRM core.
* @param str $file The relative path to the resource. Default is CiviCRM core stylesheet.
* @return bool|str $url The URL if the resource is enqueued, false otherwise.
*/
public function resource_get_url( $extension = 'civicrm', $file = 'css/civicrm.css' ) {
// Kick out if no CiviCRM.
if ( ! $this->is_civicrm_initialised() ) return false;
// Get registered URL.
$url = CRM_Core_Resources::singleton()->getUrl( $extension, $file, TRUE );
// Get registration data from region.
$registration = CRM_Core_Region::instance( 'html-header' )->get( $url );
// Bail if not registered.
if ( empty( $registration ) ) return false;
// Is enqueued.
return $url;
}
} // Class ends.
/**
* Get a reference to this plugin.
*
* @since 0.1
*
* @return CiviCRM_Remove_KAM $civicrm_remove_kam The plugin reference.
*/
function civicrm_remove_kam() {
// Hold the plugin instance in a static variable.
static $civicrm_remove_kam = false;
// Instantiate plugin if not yet instantiated.
if ( false === $civicrm_remove_kam ) {
$civicrm_remove_kam = new CiviCRM_Remove_KAM();
}
// --<
return $civicrm_remove_kam;
}
// Init plugin.
add_action( 'plugins_loaded', 'civicrm_remove_kam' );
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