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<?php
/**
* Nav Menu Images Admin Functions
*
* @package Nav Menu Images
* @subpackage Admin Functions
*/
/* Exit if accessed directly */
if ( ! defined( 'ABSPATH' ) ) exit;
/**
* Nav Menu Images admin functions.
*
* @since 1.0
*
* @uses Nav_Menu_Images
*/
class Nav_Menu_Images_Admin extends Nav_Menu_Images {
/**
* Sets class properties.
*
* @since 1.0
* @access public
*
* @uses add_filter() To hook filters.
* @uses add_action() To hook functions.
*/
public $plugin_dir = '';
public function __construct() {
$this->plugin_dir = WOODMART_THEME_DIR . '/inc/modules/nav-menu-images/';
// Register new AJAX thumbnail response
add_filter( 'admin_post_thumbnail_html', array( $this, '_wp_post_thumbnail_html' ), 10, 2 );
// Register walker replacement
add_filter( 'wp_edit_nav_menu_walker', array( $this, 'filter_walker' ) );
// Register enqueuing of scripts
add_action( 'admin_menu', array( $this, 'register_enqueuing' ) );
// Register attachment fields display
add_filter( 'attachment_fields_to_edit', array( $this, 'attachment_fields_to_edit' ), 10, 2 );
// Register attachment fields handling
add_filter( 'attachment_fields_to_save', array( $this, 'attachment_fields_to_save' ), 10, 2 );
add_action('wp_update_nav_menu_item', array( $this, 'custom_fields_save' ), 10, 3 );
}
/**
* Register script enqueuing on nav menu page.
*
* @since 1.0
* @access public
*
* @uses add_action() To hook function.
*/
public function register_enqueuing() {
add_action( 'admin_print_scripts-nav-menus.php', array( $this, 'enqueue_scripts' ) );
}
/**
* Enqueue necessary scripts.
*
* @since 1.0
* @access public
*
* @global $wp_version.
* @uses Nav_Menu_Images::load_textdomain() To load translations.
* @uses wp_enqueue_script() To enqueue scripts.
* @uses plugins_url() To get URL of the file.
* @uses wp_localize_script() To add script's variables.
* @uses add_thickbox() To enqueue Thickbox style & script.
* @uses version_compare() To compare WordPress versions.
* @uses wp_enqueue_media() To load media view templates, scripts & styles.
* @uses do_action() Calls 'nmi_enqueue_scripts'.
*/
public function enqueue_scripts() {
global $wp_version;
// Load translations
$this->load_textdomain();
// Enqueue old script
wp_enqueue_script( 'nmi-scripts', $this->plugin_dir . 'inc/nmi.js', array( 'media-upload', 'thickbox' ), '1', true );
wp_localize_script( 'nmi-scripts', 'nmi_vars', array(
'alert' => esc_html__( 'You need to set an image as a featured image to be able to use it as an menu item image', 'woodmart' )
)
);
add_thickbox();
// For WP 3.5+, enqueue new script & dependicies
if ( version_compare( $wp_version, '3.5', '>=' ) ) {
wp_enqueue_media();
wp_enqueue_script( 'nmi-media-view', $this->plugin_dir . 'inc/media-view.js', array( 'jquery', 'media-editor', 'media-views', 'post' ), '1.1', true );
}
do_action( 'nmi_enqueue_scripts' );
}
/**
* Use custom walker for nav menu edit.
*
* @since 1.0
* @access public
*
* @uses Nav_Menu_Images::load_textdomain() To load translations.
*
* @param string $walker Name of used walker class.
*/
public function filter_walker( $walker ) {
// Load translations
$this->load_textdomain();
require_once get_parent_theme_file_path( WOODMART_FRAMEWORK . '/modules/nav-menu-images/inc/walker.php' );
return 'NMI_Walker_Nav_Menu_Edit';
}
/**
* Output HTML for the post thumbnail meta-box.
*
* @since 2.0
* @access public
*
* @uses get_post() To get post's object.
* @uses Nav_Menu_Images::load_textdomain() To load translations.
* @uses admin_url() To get URL of uploader.
* @uses esc_url() To escape URL.
* @uses add_query_arg() To append variables to URL.
* @uses has_post_thumbnail() To check if item has thumb.
* @uses get_the_post_thumbnail() To get item's thumb.
* @uses wp_create_nonce() To create item's nonce.
* @uses esc_html__() To translate & escape string.
* @uses apply_filters() Calls 'nmi_admin_post_thumbnail_html' to
* overwrite returned output.
*
* @param string $content Original HTML output of the thubnail.
* @param int $post_id The post ID associated with the thumbnail.
* @return string New HTML output.
*/
public function _wp_post_thumbnail_html( $content, $post_id ) {
// Check if request from this plugin
if ( ! isset( $_REQUEST['nmi_request'] ) )
return $content;
// Get post object
$post = get_post( $post_id );
// Check if post exists and is nav menu item
if ( ! $post || 'nav_menu_item' != $post->post_type )
return $content;
// Load translations
$this->load_textdomain();
// Form upload link
$upload_url = admin_url( 'media-upload.php' );
$query_args = array(
'post_id' => $post->ID,
'tab' => 'gallery',
'TB_iframe' => '1',
'width' => '640',
'height' => '425'
);
$upload_url = esc_url( add_query_arg( $query_args, $upload_url ) );
// Item's featured image or plain link
if ( has_post_thumbnail( $post->ID ) )
$link = get_the_post_thumbnail( $post->ID, 'thumb' );
else
$link = esc_html__( 'Upload image', 'woodmart' );
// Full link
$content = '<a href="' . $upload_url . '" data-id="' . $post->ID . '" class="thickbox add_media link-with-image">' . $link . '</a>';
// If item didn't have image, prepend actions links
if ( isset( $_REQUEST['thumb_was'] ) && -1 == $_REQUEST['thumb_was'] ) {
$link_text = esc_html__( 'Change image', 'woodmart' );
$ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
$remove_link = ' | <a href="#" data-id="' . $post->ID . '" class="nmi_remove" onclick="NMIRemoveThumbnail(\'' . $ajax_nonce . '\',' . $post->ID . ');return false;">' . esc_html__( 'Remove image', 'woodmart' ) . '</a>';
$actions = '<a href="' . $upload_url . '" data-id="' . $post->ID . '" class="thickbox add_media">' . $link_text . '</a>' . $remove_link;
$content = $content . $actions;
}
// Filter returned HTML output
return apply_filters( 'nmi_admin_post_thumbnail_html', $content, $post->ID );
}
/**
* Display hover & active image checkboxes.
*
* @since 3.0
* @access public
*
* @uses Nav_Menu_Images::load_textdomain() To load translations.
* @uses get_post_meta() To get item's hover & active images IDs.
* @uses checked() To set proper checkbox status.
* @uses apply_filters() Calls 'nmi_attachment_fields_to_edit' to
* overwrite returned form fields.
*
* @param array $form_fields Original attachment form fields.
* @param object $post The post object data of attachment.
* @return string New attachment form fields.
*/
function attachment_fields_to_edit( $form_fields, $post ) {
// Display only for images
if ( ! wp_attachment_is_image( $post->ID ) )
return $form_fields;
// Display only for nav menu items
if ( 'nav_menu_item' != get_post_type( $post->post_parent ) )
return $form_fields;
// Load translations
$this->load_textdomain();
// Add "hover" checkbox
$parent_hover_id = get_post_meta( $post->post_parent, '_nmi_hover', true );
$is_hover = ( $parent_hover_id == $post->ID ) ? true : false;
$is_hover_checked = checked( $is_hover, true, false );
$form_fields['nmihover'] = array(
'label' => esc_html__( 'Used on hover?', 'woodmart' ),
'input' => 'html',
'html' => "<input type='checkbox' class='nmi-hover-checkbox' {$is_hover_checked} name='attachments[{$post->ID}][nmihover]' id='attachments[{$post->ID}][nmihover]' data-parent='{$post->post_parent}' data-checked='{$is_hover}' />",
'value' => $is_hover,
'helps' => esc_html__( 'Should this image be used on hover', 'woodmart' ),
'show_in_edit' => false
);
// Add "active" checkbox
$parent_active_id = get_post_meta( $post->post_parent, '_nmi_active', true );
$is_active = ( $parent_active_id == $post->ID ) ? true : false;
$is_active_checked = checked( $is_active, true, false );
$form_fields['nmiactive'] = array(
'label' => esc_html__( 'Used when active?', 'woodmart' ),
'input' => 'html',
'html' => "<input type='checkbox' class='nmi-active-checkbox' {$is_active_checked} name='attachments[{$post->ID}][nmiactive]' id='attachments[{$post->ID}][nmiactive]' data-parent='{$post->post_parent}' data-checked='{$is_active}' />",
'value' => $is_active,
'helps' => esc_html__( 'Should this image be used when menu item is active', 'woodmart' ),
'show_in_edit' => false
);
// Filter returned HTML output
return apply_filters( 'nmi_attachment_fields_to_edit', $form_fields, $post );
}
/**
* Save hover & active image checkboxes submissions.
*
* @since 3.0
* @access public
*
* @uses update_post_meta() To save new item's hover or active images IDs.
* @uses delete_post_meta() To delete old item's hover or active images IDs.
*
* @param object $post The post object data of attachment.
* @param array $attachment Submitted data of attachment.
* @return object $post The post object data of attachment.
*/
function attachment_fields_to_save( $post, $attachment ) {
// Save "hover" checkbox
if ( isset( $attachment['nmihover'] ) && isset( $post['post_parent'] ) && 'on' == $attachment['nmihover'] ) {
update_post_meta( $post['post_parent'], '_nmi_hover', $post['ID'] );
} elseif ( isset( $post['post_parent'] ) ) {
delete_post_meta( $post['post_parent'], '_nmi_hover', $post['ID'] );
}
// Save "active" checkbox
if ( isset( $attachment['nmiactive'] ) && isset( $post['post_parent'] ) && 'on' == $attachment['nmiactive'] ) {
update_post_meta( $post['post_parent'], '_nmi_active', $post['ID'] );
} elseif ( isset( $post['post_parent'] ) ) {
delete_post_meta( $post['post_parent'], '_nmi_active', $post['ID'] );
}
return $post;
}
function custom_fields_save($menu_id, $menu_item_db_id, $args ) {
//ar($_REQUEST);
$fields = array( 'design', 'width', 'height', 'padding', 'icon', 'event', 'label', 'label-text', 'block', 'dropdown-ajax', 'colorscheme', 'opanchor', 'image-type', 'style_aside', 'scroll' );
for ($i=0; $i < count($fields); $i++) {
$key = 'menu-item-' . $fields[$i];
if ( isset($_REQUEST[$key]) && isset($_REQUEST[$key][$menu_item_db_id]) && !empty($_REQUEST[$key]) && is_array($_REQUEST[$key]) ) {
$custom_value = $_REQUEST[$key][$menu_item_db_id];
update_post_meta( $menu_item_db_id, '_menu_item_' . $fields[$i], $custom_value );
}
}
}
}