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<?php
/**
* Handles taxonomies in admin
*
* @class KKART_Admin_Taxonomies
* @version 2.3.10
* @package Kkart\Admin
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* KKART_Admin_Taxonomies class.
*/
class KKART_Admin_Taxonomies {
/**
* Class instance.
*
* @var KKART_Admin_Taxonomies instance
*/
protected static $instance = false;
/**
* Default category ID.
*
* @var int
*/
private $default_cat_id = 0;
/**
* Get class instance
*/
public static function get_instance() {
if ( ! self::$instance ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
*/
public function __construct() {
// Default category ID.
$this->default_cat_id = get_option( 'default_product_cat', 0 );
// Category/term ordering.
add_action( 'create_term', array( $this, 'create_term' ), 5, 3 );
// Add form.
add_action( 'product_cat_add_form_fields', array( $this, 'add_category_fields' ) );
add_action( 'product_cat_edit_form_fields', array( $this, 'edit_category_fields' ), 10 );
add_action( 'created_term', array( $this, 'save_category_fields' ), 10, 3 );
add_action( 'edit_term', array( $this, 'save_category_fields' ), 10, 3 );
// Add columns.
add_filter( 'manage_edit-product_cat_columns', array( $this, 'product_cat_columns' ) );
add_filter( 'manage_product_cat_custom_column', array( $this, 'product_cat_column' ), 10, 3 );
// Add row actions.
add_filter( 'product_cat_row_actions', array( $this, 'product_cat_row_actions' ), 10, 2 );
add_filter( 'admin_init', array( $this, 'handle_product_cat_row_actions' ) );
// Taxonomy page descriptions.
add_action( 'after-product_cat-table', array( $this, 'product_cat_description' ) );
add_action( 'after-product_cat-table', array( $this, 'product_cat_notes' ) );
$attribute_taxonomies = kkart_get_attribute_taxonomies();
if ( ! empty( $attribute_taxonomies ) ) {
foreach ( $attribute_taxonomies as $attribute ) {
add_action( 'pa_' . $attribute->attribute_name . '_pre_add_form', array( $this, 'product_attribute_description' ) );
}
}
// Maintain hierarchy of terms.
add_filter( 'wp_terms_checklist_args', array( $this, 'disable_checked_ontop' ) );
// Admin footer scripts for this product categories admin screen.
add_action( 'admin_footer', array( $this, 'scripts_at_product_cat_screen_footer' ) );
}
/**
* Order term when created (put in position 0).
*
* @param mixed $term_id Term ID.
* @param mixed $tt_id Term taxonomy ID.
* @param string $taxonomy Taxonomy slug.
*/
public function create_term( $term_id, $tt_id = '', $taxonomy = '' ) {
if ( 'product_cat' != $taxonomy && ! taxonomy_is_product_attribute( $taxonomy ) ) {
return;
}
$meta_name = taxonomy_is_product_attribute( $taxonomy ) ? 'order_' . esc_attr( $taxonomy ) : 'order';
update_term_meta( $term_id, $meta_name, 0 );
}
/**
* When a term is deleted, delete its meta.
*
* @deprecated 3.6.0 No longer needed.
* @param mixed $term_id Term ID.
*/
public function delete_term( $term_id ) {
kkart_deprecated_function( 'delete_term', '3.6' );
}
/**
* Category thumbnail fields.
*/
public function add_category_fields() {
?>
<div class="form-field term-display-type-wrap">
<label for="display_type"><?php esc_html_e( 'Display type', 'kkart' ); ?></label>
<select id="display_type" name="display_type" class="postform">
<option value=""><?php esc_html_e( 'Default', 'kkart' ); ?></option>
<option value="products"><?php esc_html_e( 'Products', 'kkart' ); ?></option>
<option value="subcategories"><?php esc_html_e( 'Subcategories', 'kkart' ); ?></option>
<option value="both"><?php esc_html_e( 'Both', 'kkart' ); ?></option>
</select>
</div>
<div class="form-field term-thumbnail-wrap">
<label><?php esc_html_e( 'Thumbnail', 'kkart' ); ?></label>
<div id="product_cat_thumbnail" style="float: left; margin-right: 10px;"><img src="<?php echo esc_url( kkart_placeholder_img_src() ); ?>" width="60px" height="60px" /></div>
<div style="line-height: 60px;">
<input type="hidden" id="product_cat_thumbnail_id" name="product_cat_thumbnail_id" />
<button type="button" class="upload_image_button button"><?php esc_html_e( 'Upload/Add image', 'kkart' ); ?></button>
<button type="button" class="remove_image_button button"><?php esc_html_e( 'Remove image', 'kkart' ); ?></button>
</div>
<script type="text/javascript">
// Only show the "remove image" button when needed
if ( ! jQuery( '#product_cat_thumbnail_id' ).val() ) {
jQuery( '.remove_image_button' ).hide();
}
// Uploading files
var file_frame;
jQuery( document ).on( 'click', '.upload_image_button', function( event ) {
event.preventDefault();
// If the media frame already exists, reopen it.
if ( file_frame ) {
file_frame.open();
return;
}
// Create the media frame.
file_frame = wp.media.frames.downloadable_file = wp.media({
title: '<?php esc_html_e( 'Choose an image', 'kkart' ); ?>',
button: {
text: '<?php esc_html_e( 'Use image', 'kkart' ); ?>'
},
multiple: false
});
// When an image is selected, run a callback.
file_frame.on( 'select', function() {
var attachment = file_frame.state().get( 'selection' ).first().toJSON();
var attachment_thumbnail = attachment.sizes.thumbnail || attachment.sizes.full;
jQuery( '#product_cat_thumbnail_id' ).val( attachment.id );
jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', attachment_thumbnail.url );
jQuery( '.remove_image_button' ).show();
});
// Finally, open the modal.
file_frame.open();
});
jQuery( document ).on( 'click', '.remove_image_button', function() {
jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( kkart_placeholder_img_src() ); ?>' );
jQuery( '#product_cat_thumbnail_id' ).val( '' );
jQuery( '.remove_image_button' ).hide();
return false;
});
jQuery( document ).ajaxComplete( function( event, request, options ) {
if ( request && 4 === request.readyState && 200 === request.status
&& options.data && 0 <= options.data.indexOf( 'action=add-tag' ) ) {
var res = wpAjax.parseAjaxResponse( request.responseXML, 'ajax-response' );
if ( ! res || res.errors ) {
return;
}
// Clear Thumbnail fields on submit
jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( kkart_placeholder_img_src() ); ?>' );
jQuery( '#product_cat_thumbnail_id' ).val( '' );
jQuery( '.remove_image_button' ).hide();
// Clear Display type field on submit
jQuery( '#display_type' ).val( '' );
return;
}
} );
</script>
<div class="clear"></div>
</div>
<?php
}
/**
* Edit category thumbnail field.
*
* @param mixed $term Term (category) being edited.
*/
public function edit_category_fields( $term ) {
$display_type = get_term_meta( $term->term_id, 'display_type', true );
$thumbnail_id = absint( get_term_meta( $term->term_id, 'thumbnail_id', true ) );
if ( $thumbnail_id ) {
$image = wp_get_attachment_thumb_url( $thumbnail_id );
} else {
$image = kkart_placeholder_img_src();
}
?>
<tr class="form-field term-display-type-wrap">
<th scope="row" valign="top"><label><?php esc_html_e( 'Display type', 'kkart' ); ?></label></th>
<td>
<select id="display_type" name="display_type" class="postform">
<option value="" <?php selected( '', $display_type ); ?>><?php esc_html_e( 'Default', 'kkart' ); ?></option>
<option value="products" <?php selected( 'products', $display_type ); ?>><?php esc_html_e( 'Products', 'kkart' ); ?></option>
<option value="subcategories" <?php selected( 'subcategories', $display_type ); ?>><?php esc_html_e( 'Subcategories', 'kkart' ); ?></option>
<option value="both" <?php selected( 'both', $display_type ); ?>><?php esc_html_e( 'Both', 'kkart' ); ?></option>
</select>
</td>
</tr>
<tr class="form-field term-thumbnail-wrap">
<th scope="row" valign="top"><label><?php esc_html_e( 'Thumbnail', 'kkart' ); ?></label></th>
<td>
<div id="product_cat_thumbnail" style="float: left; margin-right: 10px;"><img src="<?php echo esc_url( $image ); ?>" width="60px" height="60px" /></div>
<div style="line-height: 60px;">
<input type="hidden" id="product_cat_thumbnail_id" name="product_cat_thumbnail_id" value="<?php echo esc_attr( $thumbnail_id ); ?>" />
<button type="button" class="upload_image_button button"><?php esc_html_e( 'Upload/Add image', 'kkart' ); ?></button>
<button type="button" class="remove_image_button button"><?php esc_html_e( 'Remove image', 'kkart' ); ?></button>
</div>
<script type="text/javascript">
// Only show the "remove image" button when needed
if ( '0' === jQuery( '#product_cat_thumbnail_id' ).val() ) {
jQuery( '.remove_image_button' ).hide();
}
// Uploading files
var file_frame;
jQuery( document ).on( 'click', '.upload_image_button', function( event ) {
event.preventDefault();
// If the media frame already exists, reopen it.
if ( file_frame ) {
file_frame.open();
return;
}
// Create the media frame.
file_frame = wp.media.frames.downloadable_file = wp.media({
title: '<?php esc_html_e( 'Choose an image', 'kkart' ); ?>',
button: {
text: '<?php esc_html_e( 'Use image', 'kkart' ); ?>'
},
multiple: false
});
// When an image is selected, run a callback.
file_frame.on( 'select', function() {
var attachment = file_frame.state().get( 'selection' ).first().toJSON();
var attachment_thumbnail = attachment.sizes.thumbnail || attachment.sizes.full;
jQuery( '#product_cat_thumbnail_id' ).val( attachment.id );
jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', attachment_thumbnail.url );
jQuery( '.remove_image_button' ).show();
});
// Finally, open the modal.
file_frame.open();
});
jQuery( document ).on( 'click', '.remove_image_button', function() {
jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( kkart_placeholder_img_src() ); ?>' );
jQuery( '#product_cat_thumbnail_id' ).val( '' );
jQuery( '.remove_image_button' ).hide();
return false;
});
</script>
<div class="clear"></div>
</td>
</tr>
<?php
}
/**
* Save category fields
*
* @param mixed $term_id Term ID being saved.
* @param mixed $tt_id Term taxonomy ID.
* @param string $taxonomy Taxonomy slug.
*/
public function save_category_fields( $term_id, $tt_id = '', $taxonomy = '' ) {
if ( isset( $_POST['display_type'] ) && 'product_cat' === $taxonomy ) { // WPCS: CSRF ok, input var ok.
update_term_meta( $term_id, 'display_type', esc_attr( $_POST['display_type'] ) ); // WPCS: CSRF ok, sanitization ok, input var ok.
}
if ( isset( $_POST['product_cat_thumbnail_id'] ) && 'product_cat' === $taxonomy ) { // WPCS: CSRF ok, input var ok.
update_term_meta( $term_id, 'thumbnail_id', absint( $_POST['product_cat_thumbnail_id'] ) ); // WPCS: CSRF ok, input var ok.
}
}
/**
* Description for product_cat page to aid users.
*/
public function product_cat_description() {
echo wp_kses(
wpautop( __( 'Product categories for your store can be managed here. To change the order of categories on the front-end you can drag and drop to sort them.', 'kkart' ) ),
array( 'p' => array() )
);
}
/**
* Add some notes to describe the behavior of the default category.
*/
public function product_cat_notes() {
$category_id = get_option( 'default_product_cat', 0 );
$category = get_term( $category_id, 'product_cat' );
$category_name = ( ! $category || is_wp_error( $category ) ) ? _x( 'Uncategorized', 'Default category slug', 'kkart' ) : $category->name;
?>
<div class="form-wrap edit-term-notes">
<p>
<strong><?php esc_html_e( 'Note:', 'kkart' ); ?></strong><br>
<?php
printf(
/* translators: %s: default category */
esc_html__( 'Deleting a category does not delete the products in that category. Instead, products that were only assigned to the deleted category are set to the category %s.', 'kkart' ),
'<strong>' . esc_html( $category_name ) . '</strong>'
);
?>
</p>
</div>
<?php
}
/**
* Description for shipping class page to aid users.
*/
public function product_attribute_description() {
echo wp_kses(
wpautop( __( 'Attribute terms can be assigned to products and variations.<br/><br/><b>Note</b>: Deleting a term will remove it from all products and variations to which it has been assigned. Recreating a term will not automatically assign it back to products.', 'kkart' ) ),
array( 'p' => array() )
);
}
/**
* Thumbnail column added to category admin.
*
* @param mixed $columns Columns array.
* @return array
*/
public function product_cat_columns( $columns ) {
$new_columns = array();
if ( isset( $columns['cb'] ) ) {
$new_columns['cb'] = $columns['cb'];
unset( $columns['cb'] );
}
$new_columns['thumb'] = __( 'Image', 'kkart' );
$columns = array_merge( $new_columns, $columns );
$columns['handle'] = '';
return $columns;
}
/**
* Adjust row actions.
*
* @param array $actions Array of actions.
* @param object $term Term object.
* @return array
*/
public function product_cat_row_actions( $actions, $term ) {
$default_category_id = absint( get_option( 'default_product_cat', 0 ) );
if ( $default_category_id !== $term->term_id && current_user_can( 'edit_term', $term->term_id ) ) {
$actions['make_default'] = sprintf(
'<a href="%s" aria-label="%s">%s</a>',
wp_nonce_url( 'edit-tags.php?action=make_default&taxonomy=product_cat&post_type=product&tag_ID=' . absint( $term->term_id ), 'make_default_' . absint( $term->term_id ) ),
/* translators: %s: taxonomy term name */
esc_attr( sprintf( __( 'Make “%s” the default category', 'kkart' ), $term->name ) ),
__( 'Make default', 'kkart' )
);
}
return $actions;
}
/**
* Handle custom row actions.
*/
public function handle_product_cat_row_actions() {
if ( isset( $_GET['action'], $_GET['tag_ID'], $_GET['_wpnonce'] ) && 'make_default' === $_GET['action'] ) { // WPCS: CSRF ok, input var ok.
$make_default_id = absint( $_GET['tag_ID'] ); // WPCS: Input var ok.
if ( wp_verify_nonce( $_GET['_wpnonce'], 'make_default_' . $make_default_id ) && current_user_can( 'edit_term', $make_default_id ) ) { // WPCS: Sanitization ok, input var ok, CSRF ok.
update_option( 'default_product_cat', $make_default_id );
}
}
}
/**
* Thumbnail column value added to category admin.
*
* @param string $columns Column HTML output.
* @param string $column Column name.
* @param int $id Product ID.
*
* @return string
*/
public function product_cat_column( $columns, $column, $id ) {
if ( 'thumb' === $column ) {
// Prepend tooltip for default category.
$default_category_id = absint( get_option( 'default_product_cat', 0 ) );
if ( $default_category_id === $id ) {
$columns .= kkart_help_tip( __( 'This is the default category and it cannot be deleted. It will be automatically assigned to products with no category.', 'kkart' ) );
}
$thumbnail_id = get_term_meta( $id, 'thumbnail_id', true );
if ( $thumbnail_id ) {
$image = wp_get_attachment_thumb_url( $thumbnail_id );
} else {
$image = kkart_placeholder_img_src();
}
// Prevent esc_url from breaking spaces in urls for image embeds. Ref: https://core.trac.wordpress.org/ticket/23605 .
$image = str_replace( ' ', '%20', $image );
$columns .= '<img src="' . esc_url( $image ) . '" alt="' . esc_attr__( 'Thumbnail', 'kkart' ) . '" class="wp-post-image" height="48" width="48" />';
}
if ( 'handle' === $column ) {
$columns .= '<input type="hidden" name="term_id" value="' . esc_attr( $id ) . '" />';
}
return $columns;
}
/**
* Maintain term hierarchy when editing a product.
*
* @param array $args Term checklist args.
* @return array
*/
public function disable_checked_ontop( $args ) {
if ( ! empty( $args['taxonomy'] ) && 'product_cat' === $args['taxonomy'] ) {
$args['checked_ontop'] = false;
}
return $args;
}
/**
* Admin footer scripts for the product categories admin screen
*
* @return void
*/
public function scripts_at_product_cat_screen_footer() {
if ( ! isset( $_GET['taxonomy'] ) || 'product_cat' !== $_GET['taxonomy'] ) { // WPCS: CSRF ok, input var ok.
return;
}
// Ensure the tooltip is displayed when the image column is disabled on product categories.
kkart_enqueue_js(
"(function( $ ) {
'use strict';
var product_cat = $( 'tr#tag-" . absint( $this->default_cat_id ) . "' );
product_cat.find( 'th' ).empty();
product_cat.find( 'td.thumb span' ).detach( 'span' ).appendTo( product_cat.find( 'th' ) );
})( jQuery );"
);
}
}
$kkart_admin_taxonomies = KKART_Admin_Taxonomies::get_instance();
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