<?php

/**

 * bbPress Admin Functions

 *

 * @package bbPress

 * @subpackage Administration

 */

// Exit if accessed directly

if ( !defined( 'ABSPATH' ) ) exit;

/** Admin Menus ***************************************************************/

/**

 * Add a separator to the WordPress admin menus

 *

 * @since bbPress (r2957)

 */

function bbp_admin_separator() {

	// Prevent duplicate separators when no new menu items exist

	if ( !current_user_can( 'edit_forums' ) && !current_user_can( 'edit_topics' ) && !current_user_can( 'edit_replies' ) )

		return;

	// Prevent duplicate separators when no core menu items exist

	if ( !current_user_can( 'manage_options' ) )

		return;

	global $menu;

	$menu[] = array( '', 'read', 'separator-bbpress', '', 'wp-menu-separator bbpress' );

}

/**

 * Tell WordPress we have a custom menu order

 *

 * @since bbPress (r2957)

 *

 * @param bool $menu_order Menu order

 * @return bool Always true

 */

function bbp_admin_custom_menu_order( $menu_order = false ) {

	if ( !current_user_can( 'edit_forums' ) && !current_user_can( 'edit_topics' ) && !current_user_can( 'edit_replies' ) )

		return $menu_order;

	return true;

}

/**

 * Move our custom separator above our custom post types

 *

 * @since bbPress (r2957)

 *

 * @param array $menu_order Menu Order

 * @uses bbp_get_forum_post_type() To get the forum post type

 * @return array Modified menu order

 */

function bbp_admin_menu_order( $menu_order ) {

	// Bail if user cannot see any top level bbPress menus

	if ( empty( $menu_order ) || ( !current_user_can( 'edit_forums' ) && !current_user_can( 'edit_topics' ) && !current_user_can( 'edit_replies' ) ) )

		return $menu_order;

	// Initialize our custom order array

	$bbp_menu_order = array();

	// Menu values

	$second_sep   = 'separator2';

	$custom_menus = array(

		'separator-bbpress',                               // Separator

		'edit.php?post_type=' . bbp_get_forum_post_type(), // Forums

		'edit.php?post_type=' . bbp_get_topic_post_type(), // Topics

		'edit.php?post_type=' . bbp_get_reply_post_type()  // Replies

	);

	// Loop through menu order and do some rearranging

	foreach ( $menu_order as $item ) {

		// Position bbPress menus above appearance

		if ( $second_sep == $item ) {

			// Add our custom menus

			foreach( $custom_menus as $custom_menu ) {

				if ( array_search( $custom_menu, $menu_order ) ) {

					$bbp_menu_order[] = $custom_menu;

				}

			}

			// Add the appearance separator

			$bbp_menu_order[] = $second_sep;

		// Skip our menu items

		} elseif ( ! in_array( $item, $custom_menus ) ) {

			$bbp_menu_order[] = $item;

		}

	}

	// Return our custom order

	return $bbp_menu_order;

}

/**

 * Filter sample permalinks so that certain languages display properly.

 *

 * @since bbPress (r3336)

 *

 * @param string $post_link Custom post type permalink

 * @param object $_post Post data object

 * @param bool $leavename Optional, defaults to false. Whether to keep post name or page name.

 * @param bool $sample Optional, defaults to false. Is it a sample permalink.

 *

 * @uses is_admin() To make sure we're on an admin page

 * @uses bbp_is_custom_post_type() To get the forum post type

 *

 * @return string The custom post type permalink

 */

function bbp_filter_sample_permalink( $post_link, $_post, $leavename = false, $sample = false ) {

	// Bail if not on an admin page and not getting a sample permalink

	if ( !empty( $sample ) && is_admin() && bbp_is_custom_post_type() )

		return urldecode( $post_link );

	// Return post link

	return $post_link;

}

/**

 * Uninstall all bbPress options and capabilities from a specific site.

 *

 * @since bbPress (r3765)

 * @param type $site_id

 */

function bbp_do_uninstall( $site_id = 0 ) {

	if ( empty( $site_id ) )

		$site_id = get_current_blog_id();

	switch_to_blog( $site_id );

	bbp_delete_options();

	bbp_remove_caps();

	flush_rewrite_rules();

	restore_current_blog();

}

/**

 * Redirect user to bbPress's What's New page on activation

 *

 * @since bbPress (r4389)

 *

 * @internal Used internally to redirect bbPress to the about page on activation

 *

 * @uses get_transient() To see if transient to redirect exists

 * @uses delete_transient() To delete the transient if it exists

 * @uses is_network_admin() To bail if being network activated

 * @uses wp_safe_redirect() To redirect

 * @uses add_query_arg() To help build the URL to redirect to

 * @uses admin_url() To get the admin URL to index.php

 *

 * @return If no transient, or in network admin, or is bulk activation

 */

function bbp_do_activation_redirect() {

	// Bail if no activation redirect

    if ( ! get_transient( '_bbp_activation_redirect' ) )

		return;

	// Delete the redirect transient

	delete_transient( '_bbp_activation_redirect' );

	// Bail if activating from network, or bulk

	if ( is_network_admin() || isset( $_GET['activate-multi'] ) )

		return;

	// Redirect to bbPress about page

	wp_safe_redirect( add_query_arg( array( 'page' => 'bbp-about' ), admin_url( 'index.php' ) ) );

}

/**

 * This tells WP to highlight the Tools > Forums menu item,

 * regardless of which actual bbPress Tools screen we are on.

 *

 * The conditional prevents the override when the user is viewing settings or

 * any third-party plugins.

 *

 * @since bbPress (r3888)

 * @global string $plugin_page

 * @global array $submenu_file

 */

function bbp_tools_modify_menu_highlight() {

	global $plugin_page, $submenu_file;

	// This tweaks the Tools subnav menu to only show one bbPress menu item

	if ( ! in_array( $plugin_page, array( 'bbp-settings' ) ) )

		$submenu_file = 'bbp-repair';

}

/**

 * Output the tabs in the admin area

 *

 * @since bbPress (r3872)

 * @param string $active_tab Name of the tab that is active

 */

function bbp_tools_admin_tabs( $active_tab = '' ) {

	echo bbp_get_tools_admin_tabs( $active_tab );

}

	/**

	 * Output the tabs in the admin area

	 *

	 * @since bbPress (r3872)

	 * @param string $active_tab Name of the tab that is active

	 */

	function bbp_get_tools_admin_tabs( $active_tab = '' ) {

		// Declare local variables

		$tabs_html    = '';

		$idle_class   = 'nav-tab';

		$active_class = 'nav-tab nav-tab-active';

		// Setup core admin tabs

		$tabs = apply_filters( 'bbp_tools_admin_tabs', array(

			'0' => array(

				'href' => get_admin_url( '', add_query_arg( array( 'page' => 'bbp-repair'    ), 'tools.php' ) ),

				'name' => __( 'Repair Forums', 'bbpress' )

			),

			'1' => array(

				'href' => get_admin_url( '', add_query_arg( array( 'page' => 'bbp-converter' ), 'tools.php' ) ),

				'name' => __( 'Import Forums', 'bbpress' )

			),

			'2' => array(

				'href' => get_admin_url( '', add_query_arg( array( 'page' => 'bbp-reset'     ), 'tools.php' ) ),

				'name' => __( 'Reset Forums', 'bbpress' )

			)

		) );

		// Loop through tabs and build navigation

		foreach( $tabs as $tab_id => $tab_data ) {

			$is_current = (bool) ( $tab_data['name'] == $active_tab );

			$tab_class  = $is_current ? $active_class : $idle_class;

			$tabs_html .= '<a href="' . $tab_data['href'] . '" class="' . $tab_class . '">' . $tab_data['name'] . '</a>';

		}

		// Output the tabs

		return $tabs_html;

	}