categorysorting.php

<?php
//Exit if not called in proper context
if (!defined('ABSPATH')) exit();

//Put in Sidebar
add_action('admin_menu', 'foxyshop_category_sorting_menu');
function foxyshop_category_sorting_menu() {
	add_submenu_page('edit.php?post_type=foxyshop_product', __('Category Sorting', 'foxyshop'), __('Set Category Order', 'foxyshop'), apply_filters('foxyshop_category_sort_perm', 'edit_others_pages'), 'foxyshop_category_sort', 'foxyshop_category_sort');
}

//Update Order
function foxyshop_category_update_order() {
	global $foxyshop_category_sort;

	$categoryID = sanitize_text_field($_POST['categoryID']);
	$returned_ids = explode(",", sanitize_text_field($_POST['foxyshop_category_order_value']));

	//Clean Sort Fields
	foreach ($foxyshop_category_sort as $key=>$val) {
		if (!get_term((int)$key, "foxyshop_category_sort")) unset($foxyshop_category_sort[$key]);
	}

	//Add or Replace With New Fields
	$foxyshop_category_sort[$categoryID] = $returned_ids;
	update_option('foxyshop_category_sort', $foxyshop_category_sort);

	return ('<div id="message" class="updated fade"><p>'. __('Category order updated successfully.', 'foxyshop').'</p></div>');
}

//Reset Order to Alpha
function foxyshop_category_revert_order() {
	global $foxyshop_category_sort;

	if (isset($_POST['categoryID'])) {
		$categoryID = sanitize_text_field($_POST['categoryID']);
		unset($foxyshop_category_sort[$categoryID]);
	}
	update_option('foxyshop_category_sort', $foxyshop_category_sort);
	return ('<div id="message" class="updated fade"><p>'. __('Category order reset to alphabetical.', 'foxyshop').'</p></div>');
}

//The Main Function
function foxyshop_category_sort() {
	global $wpdb, $product, $foxyshop_category_sort;
	$parentID = 0;
	$success = "";

	if (isset($_POST['submit_new_category_order'])) {
		//if (check_admin_referer('update-foxyshop-sorting-options')) $success = foxyshop_category_update_order();
		$success = foxyshop_category_update_order();
	} elseif (isset($_POST['revert_category_order'])) {
		if (check_admin_referer('update-foxyshop-sorting-options')) $success = foxyshop_category_revert_order();
	}


	echo ('<div class="wrap">');

	echo ( '<div class="icon32" id="icon-tools"><br></div>');
	echo ( '<h2>' . esc_html(sprintf(__('Set %s Category Order', 'foxyshop'), FOXYSHOP_PRODUCT_NAME_SINGULAR)) . '</h2>');
	if ($success) echo wp_kses_post( $success);

	$categoryID = (isset($_POST['categoryID']) ? sanitize_text_field($_POST['categoryID']) : 0);
	$product_categories = get_terms('foxyshop_categories', 'hide_empty=0&hierarchical=0&orderby=name&order=ASC&parent='.$categoryID);

	if ($product_categories) {
		$subcats = array();
		foreach($product_categories as $cat) {
			$subcat = get_term_children($cat->term_id, 'foxyshop_categories');
			if (count($subcat) > 0) $subcats[] = '<option value="' . $cat->term_id . '">' . $cat->name . '</option>'."\n";
		}

		if (count($subcats) > 0 || $categoryID > 0) {
			echo ('<form name="form_product_category_order" method="post" action="">');
			echo ( '<select name="categoryID" id="categoryID">'."\n");
			if ($categoryID > 0) echo ( '<option value="0">Top Level</option>'."\n");
			echo ( foxy_wp_kses_html(implode("\n",$subcats), ['option']));
			echo ( '</select>'."\n");
			echo ( '<input type="submit" name="btnSubPages" class="button" id="btnSubPages" value="' . __('Select Sub-Category', 'foxyshop') . '" /></form>');
		}
	}

	if ($categoryID > 0) {
		$term = get_term_by('id', $categoryID, "foxyshop_categories");
		$current_category_name = $term->name;
		$current_category_slug = $term->slug;
		$unwanted_children = get_term_children($categoryID, "foxyshop_categories");
		$unwanted_post_ids = get_objects_in_term($unwanted_children, "foxyshop_categories");
	} else {
		$current_category_name = __("Top Level Categories", 'foxyshop');
	}

	if ($product_categories) {

		//Sort Categories
		$product_categories = foxyshop_sort_categories($product_categories, $categoryID);

		echo ( '<h3>' . esc_html($current_category_name) . '</h3>'."\n");
		echo ( '<p>' . __('Drag categories to the preferred order and then click the Save button at the bottom of the page.', 'foxyshop') . '</p>');
		echo ( '<p><strong>' . __('Current Sorting') . ': ' . (array_key_exists($categoryID,$foxyshop_category_sort) ? __('Custom', 'foxyshop') : __('Alphabetical', 'foxyshop')) . '</strong></p>');
		echo ( '<form name="form_category_order" method="post" action="">'."\n");
		echo ( '<ul id="foxyshop_category_order_list" class="foxyshop_sort_list">'."\n");

		$counter = 1;
		foreach($product_categories as $cat) {
			if (substr($cat->name,0,1) == "_") continue;
			echo ( '<li id="' . esc_attr($cat->term_id) . '" class="lineitem">');
			echo ( '<h4>' . esc_html($cat->name) . '</h4>'."\n");
			echo ( '<div class="counter">' . esc_html($counter) . '</div>');
			echo ( '<div style="clear: both; height: 1px;"></div>'."\n");
			echo ( '</li>'."\n");
			$counter++;
		}
		echo '</ul>'."\n";

		?>
		<div style="height: 100px;">
			<input type="submit" name="submit_new_category_order" id="revert_category_order" class="button-primary" value="<?php _e('Save Custom Order', 'foxyshop'); ?>" onclick="javascript:foxyshop_orderPages(); return true;" />&nbsp;&nbsp;<strong id="updateText"></strong>
			<input type="submit" name="revert_category_order" id="revert_category_order" class="button" style="float: right;" value="<?php _e('Reset to Alphabetical', 'foxyshop'); ?>" onclick="javascript:foxyshop_orderPages(); return true;" />
		</div>
		<input type="hidden" id="foxyshop_category_order_value" name="foxyshop_category_order_value" />
		<input type="hidden" id="categoryID" name="categoryID" value="<?php echo esc_attr( $categoryID); ?>" />
		<?php wp_nonce_field('update-foxyshop-sorting-options'); ?>
		</form>
		<?php

	} else {
		echo wp_kses_post( '<p><em>' . __('No Sub-Categories Found.', 'foxyshop') . '</em></p>');
	}
	?>
	</div>
<?php

function foxyshop_inline_categorysorting_js() {
   echo "<script type='text/javascript'>
function foxyshop_custom_order_load_event(){
	jQuery(\"#foxyshop_category_order_list\").sortable({
		placeholder: \"sortable-placeholder-category\",
		revert: false,
		tolerance: \"pointer\",
		update: function() {
			var counter = 1;
			jQuery(\"#foxyshop_category_order_list li\").each(function() {
				jQuery(this).find('.counter').html(counter);
				counter++;
			});
		}
	});
};
addLoadEvent(foxyshop_custom_order_load_event);
function foxyshop_orderPages() {
	jQuery(\"#updateText\").html(\"" . __('Updating Category Order...', 'foxyshop') . "\");
	jQuery(\"#foxyshop_category_order_value\").val(jQuery(\"#foxyshop_category_order_list\").sortable(\"toArray\"));
}
</script>";
}
add_action( 'admin_print_footer_scripts', 'foxyshop_inline_categorysorting_js' );
}