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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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| Current Path : /var/www/web23/html/wp-content/themes/enfold/framework/php/ |
| Current File : //var/www/web23/html/wp-content/themes/enfold/framework/php/class-sidebar-generator.php |
<?php
/**
* This file holds the avia_sidebar class which is needed to build sidebars on the fly
*
* @author Christian "Kriesi" Budschedl
* @copyright Copyright ( c ) Christian Budschedl
* @link http://kriesi.at
* @link http://aviathemes.com
* @since Version 1.9
* @package AviaFramework
*/
if( ! defined( 'AVIA_FW' ) ) { exit( 'No direct script access allowed' ); }
/**
* AVIA Sidebar
*
* A simple class that adds a "add sidebar area" form to the widget page and allows to create widgets on the fly
*
* @since 1.9
* @since 4.9 added support for Widget Block Editor - options and management of custom sidebars moved to Theme Options -> Sidebar Settings
*/
if( ! class_exists( 'avia_sidebar' ) )
{
class avia_sidebar
{
/**
* @since ????
* @var array
*/
protected $paths;
/**
* @since ????
* @var array
*/
protected $sidebars;
/**
* Option name for custom sidebars array
*
* @since ????
* @var string
*/
protected $stored;
/**
*
* @since 4.9
* @var string
*/
protected $title;
/**
* Make sure that we only load most of the stuff on the widget page, except for the register sidebar function
*
* @since ????
*/
public function __construct()
{
$this->paths = array(
'css' => AVIA_CSS_URL,
'js' => AVIA_JS_URL
);
$this->sidebars = array();
$this->stored = 'avia_sidebars';
$this->title = THEMENAME . ' ' . __( 'Custom Widget Area', 'avia_framework' );
add_action( 'load-widgets.php', array( $this, 'load_assets' ), 5 );
add_action( 'widgets_init', array( $this, 'register_custom_sidebars' ), 1000 );
add_action( 'wp_ajax_avia_ajax_delete_custom_sidebar', array( $this, 'delete_sidebar_area' ), 1000 );
}
/**
* @since 4.9
*/
public function __destruct()
{
unset( $this->paths );
unset( $this->sidebars );
}
/**
* load backend css, js and add hooks to the widget page
* @since ???
*/
public function load_assets()
{
add_action( 'admin_print_scripts', array( $this, 'template_add_widget_field' ) );
add_action( 'load-widgets.php', array( $this, 'add_sidebar_area' ), 100);
wp_enqueue_script( 'avia_sidebar', $this->paths['js'] . 'avia_sidebar.js' );
wp_enqueue_style( 'avia_sidebar', $this->paths['css'] . 'avia_sidebar.css' );
}
/**
* js template that gets attached to the widget area so the user can add widget names
*
* @since ???
*/
public function template_add_widget_field()
{
$nonce = wp_create_nonce ( 'avia-delete-custom-sidebar-nonce' );
$nonce = '<input type="hidden" name="avia-delete-custom-sidebar-nonce" value="' . $nonce . '" />';
echo "\n<script type='text/html' id='avia-tmpl-add-widget'>";
echo "\n <form class='avia-add-widget' method='POST'>";
echo "\n <h3>{$this->title}</h3>";
echo "\n <span class='avia_style_wrap'><input type='text' value='' placeholder = '" . __( 'Enter Name of the new Widget Area here', 'avia_framework' ) . "' name='avia-add-widget' /></span>";
echo "\n <input class='avia_button' type='submit' value='" . __( 'Add Widget Area', 'avia_framework' ) . "' />";
echo "\n {$nonce}";
echo "\n </form>";
echo "\n</script>\n";
}
/**
* adds a sidebar area to the database
*
* @since ???
*/
public function add_sidebar_area()
{
if( ! empty( $_POST[ 'avia-add-widget'] ) )
{
$this->sidebars = get_option( $this->stored );
$name = $this->get_name( $_POST['avia-add-widget'] );
if( empty($this->sidebars ) )
{
$this->sidebars = array( $name );
}
else
{
$this->sidebars = array_merge( $this->sidebars, array( $name ) );
}
update_option( $this->stored, $this->sidebars );
wp_redirect( admin_url( 'widgets.php' ) );
die();
}
}
/**
* delete a sidebar area from the database
*
* @since ???
*/
public function delete_sidebar_area()
{
check_ajax_referer( 'avia-delete-custom-sidebar-nonce' );
if( ! empty( $_POST['name'] ) )
{
$name = stripslashes( $_POST['name'] );
$this->sidebars = get_option( $this->stored );
$key = array_search( $name, $this->sidebars );
if( $key !== false )
{
unset( $this->sidebars[ $key ] );
update_option( $this->stored, $this->sidebars );
echo "sidebar-deleted";
}
}
die();
}
/**
* checks the user submitted name and makes sure that there are no colitions
*
* @since ???
* @param type $name
* @return type
*/
protected function get_name( $name )
{
global $wp_registered_sidebars;
if( empty( $GLOBALS['wp_registered_sidebars'] ) )
{
return $name;
}
$taken = array();
foreach ( $GLOBALS['wp_registered_sidebars'] as $sidebar )
{
$taken[] = $sidebar['name'];
}
if( empty( $this->sidebars ) )
{
$this->sidebars = array();
}
$taken = array_merge( $taken, $this->sidebars );
if( in_array( $name, $taken ) )
{
$counter = substr( $name, -1 );
$new_name = '';
if( ! is_numeric( $counter ) )
{
$new_name = $name . " 1";
}
else
{
$new_name = substr( $name, 0, -1 ) . ( (int) $counter + 1 );
}
$name = $this->get_name( $new_name );
}
return $name;
}
/**
* register custom sidebar areas
*
* @since ???
*/
public function register_custom_sidebars()
{
if( empty( $this->sidebars ) )
{
$this->sidebars = get_option( $this->stored );
}
$args = array(
'before_widget' => '<div id="%1$s" class="widget clearfix %2$s">',
'after_widget' => '</div>',
'before_title' => '<h3 class="widgettitle">',
'after_title' => '</h3>'
);
/**
* @since ???
* @param array $args
* @return array
*/
$args = apply_filters( 'avia_custom_widget_args', $args );
if( is_array( $this->sidebars ) )
{
foreach( $this->sidebars as $sidebar )
{
$args['name'] = $sidebar;
$args['id'] = avia_backend_safe_string( $sidebar, '-' );
$args['class'] = 'avia-custom';
register_sidebar( $args );
}
}
}
}
}
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