<?php

/**

 * bbPress Topics Admin Class

 *

 * @package bbPress

 * @subpackage Administration

 */

// Exit if accessed directly

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

if ( !class_exists( 'BBP_Topics_Admin' ) ) :

/**

 * Loads bbPress topics admin area

 *

 * @package bbPress

 * @subpackage Administration

 * @since bbPress (r2464)

 */

class BBP_Topics_Admin {

	/** Variables *************************************************************/

	/**

	 * @var The post type of this admin component

	 */

	private $post_type = '';

	/** Functions *************************************************************/

	/**

	 * The main bbPress topics admin loader

	 *

	 * @since bbPress (r2515)

	 *

	 * @uses BBP_Topics_Admin::setup_globals() Setup the globals needed

	 * @uses BBP_Topics_Admin::setup_actions() Setup the hooks and actions

	 * @uses BBP_Topics_Admin::setup_help() Setup the help text

	 */

	public function __construct() {

		$this->setup_globals();

		$this->setup_actions();

	}

	/**

	 * Setup the admin hooks, actions and filters

	 *

	 * @since bbPress (r2646)

	 * @access private

	 *

	 * @uses add_action() To add various actions

	 * @uses add_filter() To add various filters

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

	 * @uses bbp_get_topic_post_type() To get the topic post type

	 * @uses bbp_get_reply_post_type() To get the reply post type

	 */

	private function setup_actions() {

		// Add some general styling to the admin area

		add_action( 'bbp_admin_head',        array( $this, 'admin_head'       ) );

		// Messages

		add_filter( 'post_updated_messages', array( $this, 'updated_messages' ) );

		// Topic column headers.

		add_filter( 'manage_' . $this->post_type . '_posts_columns',        array( $this, 'topics_column_headers' ) );

		// Topic columns (in post row)

		add_action( 'manage_' . $this->post_type . '_posts_custom_column',  array( $this, 'topics_column_data' ), 10, 2 );

		add_filter( 'post_row_actions',                                     array( $this, 'topics_row_actions' ), 10, 2 );

		// Topic metabox actions

		add_action( 'add_meta_boxes', array( $this, 'attributes_metabox'      ) );

		add_action( 'save_post',      array( $this, 'attributes_metabox_save' ) );

		// Check if there are any bbp_toggle_topic_* requests on admin_init, also have a message displayed

		add_action( 'load-edit.php',  array( $this, 'toggle_topic'        ) );

		add_action( 'admin_notices',  array( $this, 'toggle_topic_notice' ) );

		// Anonymous metabox actions

		add_action( 'add_meta_boxes', array( $this, 'author_metabox'      ) );

		add_action( 'save_post',      array( $this, 'author_metabox_save' ) );

		// Add ability to filter topics and replies per forum

		add_filter( 'restrict_manage_posts', array( $this, 'filter_dropdown'  ) );

		add_filter( 'bbp_request',           array( $this, 'filter_post_rows' ) );

		// Contextual Help

		add_action( 'load-edit.php',     array( $this, 'edit_help' ) );

		add_action( 'load-post-new.php', array( $this, 'new_help'  ) );

	}

	/**

	 * Should we bail out of this method?

	 *

	 * @since bbPress (r4067)

	 * @return boolean

	 */

	private function bail() {

		if ( !isset( get_current_screen()->post_type ) || ( $this->post_type != get_current_screen()->post_type ) )

			return true;

		return false;

	}

	/**

	 * Admin globals

	 *

	 * @since bbPress (r2646)

	 * @access private

	 */

	private function setup_globals() {

		$this->post_type = bbp_get_topic_post_type();

	}

	/** Contextual Help *******************************************************/

	/**

	 * Contextual help for bbPress topic edit page

	 *

	 * @since bbPress (r3119)

	 * @uses get_current_screen()

	 */

	public function edit_help() {

		if ( $this->bail() ) return;

		// Overview

		get_current_screen()->add_help_tab( array(

			'id'		=> 'overview',

			'title'		=> __( 'Overview', 'bbpress' ),

			'content'	=>

				'<p>' . __( 'This screen displays the individual topics on your site. You can customize the display of this screen to suit your workflow.', 'bbpress' ) . '</p>'

		) );

		// Screen Content

		get_current_screen()->add_help_tab( array(

			'id'		=> 'screen-content',

			'title'		=> __( 'Screen Content', 'bbpress' ),

			'content'	=>

				'<p>' . __( 'You can customize the display of this screen&#8217;s contents in a number of ways:', 'bbpress' ) . '</p>' .

				'<ul>' .

					'<li>' . __( 'You can hide/display columns based on your needs and decide how many topics to list per screen using the Screen Options tab.',                                                                                                                                'bbpress' ) . '</li>' .

					'<li>' . __( 'You can filter the list of topics by topic status using the text links in the upper left to show All, Published, or Trashed topics. The default view is to show all topics.',                                                                                 'bbpress' ) . '</li>' .

					'<li>' . __( 'You can refine the list to show only topics from a specific month by using the dropdown menus above the topics list. Click the Filter button after making your selection. You also can refine the list by clicking on the topic creator in the topics list.', 'bbpress' ) . '</li>' .

				'</ul>'

		) );

		// Available Actions

		get_current_screen()->add_help_tab( array(

			'id'		=> 'action-links',

			'title'		=> __( 'Available Actions', 'bbpress' ),

			'content'	=>

				'<p>' . __( 'Hovering over a row in the topics list will display action links that allow you to manage your topic. You can perform the following actions:', 'bbpress' ) . '</p>' .

				'<ul>' .

					'<li>' . __( '<strong>Edit</strong> takes you to the editing screen for that topic. You can also reach that screen by clicking on the topic title.',                                                                                 'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Trash</strong> removes your topic from this list and places it in the trash, from which you can permanently delete it.',                                                                                       'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Spam</strong> removes your topic from this list and places it in the spam queue, from which you can permanently delete it.',                                                                                   'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Preview</strong> will show you what your draft topic will look like if you publish it. View will take you to your live site to view the topic. Which link is available depends on your topic&#8217;s status.', 'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Close</strong> will mark the selected topic as &#8217;closed&#8217; and disable the option to post new replies to the topic.',                                                                                 'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Stick</strong> will keep the selected topic &#8217;pinned&#8217; to the top the parent forum topic list.',                                                                                                     'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Stick <em>(to front)</em></strong> will keep the selected topic &#8217;pinned&#8217; to the top of ALL forums and be visable in any forums topics list.',                                                      'bbpress' ) . '</li>' .

				'</ul>'

		) );

		// Bulk Actions

		get_current_screen()->add_help_tab( array(

			'id'		=> 'bulk-actions',

			'title'		=> __( 'Bulk Actions', 'bbpress' ),

			'content'	=>

				'<p>' . __( 'You can also edit or move multiple topics to the trash at once. Select the topics you want to act on using the checkboxes, then select the action you want to take from the Bulk Actions menu and click Apply.',           'bbpress' ) . '</p>' .

				'<p>' . __( 'When using Bulk Edit, you can change the metadata (categories, author, etc.) for all selected topics at once. To remove a topic from the grouping, just click the x next to its name in the Bulk Edit area that appears.', 'bbpress' ) . '</p>'

		) );

		// Help Sidebar

		get_current_screen()->set_help_sidebar(

			'<p><strong>' . __( 'For more information:', 'bbpress' ) . '</strong></p>' .

			'<p>' . __( '<a href="http://codex.bbpress.org" target="_blank">bbPress Documentation</a>',     'bbpress' ) . '</p>' .

			'<p>' . __( '<a href="http://bbpress.org/forums/" target="_blank">bbPress Support Forums</a>',  'bbpress' ) . '</p>'

		);

	}

	/**

	 * Contextual help for bbPress topic edit page

	 *

	 * @since bbPress (r3119)

	 * @uses get_current_screen()

	 */

	public function new_help() {

		if ( $this->bail() ) return;

		$customize_display = '<p>' . __( 'The title field and the big topic editing Area are fixed in place, but you can reposition all the other boxes using drag and drop, and can minimize or expand them by clicking the title bar of each box. Use the Screen Options tab to unhide more boxes (Excerpt, Send Trackbacks, Custom Fields, Discussion, Slug, Author) or to choose a 1- or 2-column layout for this screen.', 'bbpress' ) . '</p>';

		get_current_screen()->add_help_tab( array(

			'id'      => 'customize-display',

			'title'   => __( 'Customizing This Display', 'bbpress' ),

			'content' => $customize_display,

		) );

		get_current_screen()->add_help_tab( array(

			'id'      => 'title-topic-editor',

			'title'   => __( 'Title and Topic Editor', 'bbpress' ),

			'content' =>

				'<p>' . __( '<strong>Title</strong> - Enter a title for your topic. After you enter a title, you&#8217;ll see the permalink below, which you can edit.', 'bbpress' ) . '</p>' .

				'<p>' . __( '<strong>Topic Editor</strong> - Enter the text for your topic. There are two modes of editing: Visual and HTML. Choose the mode by clicking on the appropriate tab. Visual mode gives you a WYSIWYG editor. Click the last icon in the row to get a second row of controls. The HTML mode allows you to enter raw HTML along with your topic text. You can insert media files by clicking the icons above the topic editor and following the directions. You can go to the distraction-free writing screen via the Fullscreen icon in Visual mode (second to last in the top row) or the Fullscreen button in HTML mode (last in the row). Once there, you can make buttons visible by hovering over the top area. Exit Fullscreen back to the regular topic editor.', 'bbpress' ) . '</p>'

		) );

		$publish_box = '<p>' . __( '<strong>Publish</strong> - You can set the terms of publishing your topic in the Publish box. For Status, Visibility, and Publish (immediately), click on the Edit link to reveal more options. Visibility includes options for password-protecting a topic or making it stay at the top of your blog indefinitely (sticky). Publish (immediately) allows you to set a future or past date and time, so you can schedule a topic to be published in the future or backdate a topic.', 'bbpress' ) . '</p>';

		if ( current_theme_supports( 'topic-formats' ) && topic_type_supports( 'topic', 'topic-formats' ) ) {

			$publish_box .= '<p>' . __( '<strong>topic Format</strong> - This designates how your theme will display a specific topic. For example, you could have a <em>standard</em> blog topic with a title and paragraphs, or a short <em>aside</em> that omits the title and contains a short text blurb. Please refer to the Codex for <a href="http://codex.wordpress.org/Post_Formats#Supported_Formats">descriptions of each topic format</a>. Your theme could enable all or some of 10 possible formats.', 'bbpress' ) . '</p>';

		}

		if ( current_theme_supports( 'topic-thumbnails' ) && topic_type_supports( 'topic', 'thumbnail' ) ) {

			$publish_box .= '<p>' . __( '<strong>Featured Image</strong> - This allows you to associate an image with your topic without inserting it. This is usually useful only if your theme makes use of the featured image as a topic thumbnail on the home page, a custom header, etc.', 'bbpress' ) . '</p>';

		}

		get_current_screen()->add_help_tab( array(

			'id'      => 'topic-attributes',

			'title'   => __( 'Topic Attributes', 'bbpress' ),

			'content' =>

				'<p>' . __( 'Select the attributes that your topic should have:', 'bbpress' ) . '</p>' .

				'<ul>' .

					'<li>' . __( '<strong>Forum</strong> dropdown determines the parent forum that the topic belongs to. Select the forum or category from the dropdown, or leave the default (No Forum) to post the topic without an assigned forum.', 'bbpress' ) . '</li>' .

					'<li>' . __( '<strong>Topic Type</strong> dropdown indicates the sticky status of the topic. Selecting the super sticky option would stick the topic to the front of your forums, i.e. the topic index, sticky option would stick the topic to its respective forum. Selecting normal would not stick the topic anywhere.', 'bbpress' ) . '</li>' .

				'</ul>'

		) );

		get_current_screen()->add_help_tab( array(

			'id'      => 'publish-box',

			'title'   => __( 'Publish Box', 'bbpress' ),

			'content' => $publish_box,

		) );

		get_current_screen()->add_help_tab( array(

			'id'      => 'discussion-settings',

			'title'   => __( 'Discussion Settings', 'bbpress' ),

			'content' =>

				'<p>' . __( '<strong>Send Trackbacks</strong> - Trackbacks are a way to notify legacy blog systems that you&#8217;ve linked to them. Enter the URL(s) you want to send trackbacks. If you link to other WordPress sites they&#8217;ll be notified automatically using pingbacks, and this field is unnecessary.', 'bbpress' ) . '</p>' .

				'<p>' . __( '<strong>Discussion</strong> - You can turn comments and pings on or off, and if there are comments on the topic, you can see them here and moderate them.', 'bbpress' ) . '</p>'

		) );

		get_current_screen()->set_help_sidebar(

			'<p><strong>' . __( 'For more information:', 'bbpress' ) . '</strong></p>' .

			'<p>' . __( '<a href="http://codex.bbpress.org" target="_blank">bbPress Documentation</a>',    'bbpress' ) . '</p>' .

			'<p>' . __( '<a href="http://bbpress.org/forums/" target="_blank">bbPress Support Forums</a>', 'bbpress' ) . '</p>'

		);

	}

	/**

	 * Add the topic attributes metabox

	 *

	 * @since bbPress (r2744)

	 *

	 * @uses bbp_get_topic_post_type() To get the topic post type

	 * @uses add_meta_box() To add the metabox

	 * @uses do_action() Calls 'bbp_topic_attributes_metabox'

	 */

	public function attributes_metabox() {

		if ( $this->bail() ) return;

		add_meta_box (

			'bbp_topic_attributes',

			__( 'Topic Attributes', 'bbpress' ),

			'bbp_topic_metabox',

			$this->post_type,

			'side',

			'high'

		);

		do_action( 'bbp_topic_attributes_metabox' );

	}

	/**

	 * Pass the topic attributes for processing

	 *

	 * @since bbPress (r2746)

	 *

	 * @param int $topic_id Topic id

	 * @uses current_user_can() To check if the current user is capable of

	 *                           editing the topic

	 * @uses do_action() Calls 'bbp_topic_attributes_metabox_save' with the

	 *                    topic id and parent id

	 * @return int Parent id

	 */

	public function attributes_metabox_save( $topic_id ) {

		if ( $this->bail() ) return $topic_id;

		// Bail if doing an autosave

		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )

			return $topic_id;

		// Bail if not a post request

		if ( 'POST' != strtoupper( $_SERVER['REQUEST_METHOD'] ) )

			return $topic_id;

		// Nonce check

		if ( empty( $_POST['bbp_topic_metabox'] ) || !wp_verify_nonce( $_POST['bbp_topic_metabox'], 'bbp_topic_metabox_save' ) )

			return $topic_id;

		// Bail if current user cannot edit this topic

		if ( !current_user_can( 'edit_topic', $topic_id ) )

			return $topic_id;

		// Get the forum ID

		$forum_id = !empty( $_POST['parent_id'] ) ? (int) $_POST['parent_id'] : 0;

		// Formally update the topic

		bbp_update_topic( $topic_id, $forum_id );

		// Stickies

		if ( !empty( $_POST['bbp_stick_topic'] ) && in_array( $_POST['bbp_stick_topic'], array( 'stick', 'super', 'unstick' ) ) ) {

			// What's the haps?

			switch ( $_POST['bbp_stick_topic'] ) {

				// Sticky in this forum

				case 'stick'   :

					bbp_stick_topic( $topic_id );

					break;

				// Super sticky in all forums

				case 'super'   :

					bbp_stick_topic( $topic_id, true );

					break;

				// Normal

				case 'unstick' :

				default        :

					bbp_unstick_topic( $topic_id );

					break;

			}

		}

		// Allow other fun things to happen

		do_action( 'bbp_topic_attributes_metabox_save', $topic_id, $forum_id );

		return $topic_id;

	}

	/**

	 * Add the author info metabox

	 *

	 * @since bbPress (r2828)

	 *

	 * @uses bbp_get_topic() To get the topic

	 * @uses bbp_get_reply() To get the reply

	 * @uses bbp_get_topic_post_type() To get the topic post type

	 * @uses bbp_get_reply_post_type() To get the reply post type

	 * @uses add_meta_box() To add the metabox

	 * @uses do_action() Calls 'bbp_author_metabox' with the topic/reply

	 *                    id

	 */

	public function author_metabox() {

		if ( $this->bail() ) return;

		// Bail if post_type is not a topic

		if ( empty( $_GET['action'] ) || ( 'edit' != $_GET['action'] ) )

			return;

		// Add the metabox

		add_meta_box(

			'bbp_author_metabox',

			__( 'Author Information', 'bbpress' ),

			'bbp_author_metabox',

			$this->post_type,

			'side',

			'high'

		);

		do_action( 'bbp_author_metabox', get_the_ID() );

	}

	/**

	 * Save the author information for the topic

	 *

	 * @since bbPress (r2828)

	 *

	 * @param int $post_id Topic or reply id

	 * @uses bbp_get_topic() To get the topic

	 * @uses bbp_get_reply() To get the reply

	 * @uses current_user_can() To check if the current user can edit the

	 *                           topic or reply

	 * @uses bbp_filter_author_post_data() To filter the author data

	 * @uses update_post_meta() To update the anonymous user data

	 * @uses do_action() Calls 'bbp_author_metabox_save' with the topic id and

	 *                    anonymous data

	 * @return int Topic or reply id

	 */

	public function author_metabox_save( $post_id ) {

		if ( $this->bail() ) return $post_id;

		// Bail if no post_id

		if ( empty( $post_id ) )

			return $post_id;

		// Bail if doing an autosave

		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )

			return $post_id;

		// Bail if not a post request

		if ( 'POST' != strtoupper( $_SERVER['REQUEST_METHOD'] ) )

			return $post_id;

		// Bail if user cannot edit topics

		if ( !current_user_can( 'edit_topic', $post_id ) )

			return $post_id;

		$anonymous_data = bbp_filter_anonymous_post_data();

		update_post_meta( $post_id, '_bbp_anonymous_name',    $anonymous_data['bbp_anonymous_name']    );

		update_post_meta( $post_id, '_bbp_anonymous_email',   $anonymous_data['bbp_anonymous_email']   );

		update_post_meta( $post_id, '_bbp_anonymous_website', $anonymous_data['bbp_anonymous_website'] );

		do_action( 'bbp_author_metabox_save', $post_id, $anonymous_data );

		return $post_id;

	}

	/**

	 * Add some general styling to the admin area

	 *

	 * @since bbPress (r2464)

	 *