web/wp-content/plugins/bbpress/includes/common/shortcodes.php
changeset 196 5e8dcbe22c24
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-content/plugins/bbpress/includes/common/shortcodes.php	Tue Dec 04 18:43:10 2012 -0800
@@ -0,0 +1,737 @@
+<?php
+
+/**
+ * bbPress Shortcodes
+ *
+ * @package bbPress
+ * @subpackage Shortcodes
+ */
+
+// Exit if accessed directly
+if ( !defined( 'ABSPATH' ) ) exit;
+
+if ( !class_exists( 'BBP_Shortcodes' ) ) :
+/**
+ * bbPress Shortcode Class
+ *
+ * @since bbPress (r3031)
+ */
+class BBP_Shortcodes {
+
+	/** Vars ******************************************************************/
+
+	/**
+	 * @var array Shortcode => function
+	 */
+	public $codes = array();
+
+	/** Functions *************************************************************/
+
+	/**
+	 * Add the register_shortcodes action to bbp_init
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @uses setup_globals()
+	 * @uses add_shortcodes()
+	 */
+	public function __construct() {
+		$this->setup_globals();
+		$this->add_shortcodes();
+	}
+
+	/**
+	 * Shortcode globals
+	 *
+	 * @since bbPress (r3143)
+	 * @access private
+	 *
+	 * @uses apply_filters()
+	 */
+	private function setup_globals() {
+
+		// Setup the shortcodes
+		$this->codes = apply_filters( 'bbp_shortcodes', array(
+
+			/** Forums ********************************************************/
+
+			'bbp-forum-index'      => array( $this, 'display_forum_index'   ), // Forum Index
+			'bbp-forum-form'       => array( $this, 'display_forum_form'    ), // Topic form
+			'bbp-single-forum'     => array( $this, 'display_forum'         ), // Specific forum - pass an 'id' attribute
+
+			/** Topics ********************************************************/
+
+			'bbp-topic-index'      => array( $this, 'display_topic_index'   ), // Topic index
+			'bbp-topic-form'       => array( $this, 'display_topic_form'    ), // Topic form
+			'bbp-single-topic'     => array( $this, 'display_topic'         ), // Specific topic - pass an 'id' attribute
+
+			/** Topic Tags ****************************************************/
+
+			'bbp-topic-tags'       => array( $this, 'display_topic_tags'    ), // All topic tags in a cloud
+			'bbp-single-tag'       => array( $this, 'display_topics_of_tag' ), // Topics of Tag
+
+			/** Replies *******************************************************/
+
+			'bbp-reply-form'       => array( $this, 'display_reply_form'    ), // Reply form
+			'bbp-single-reply'     => array( $this, 'display_reply'         ), // Specific reply - pass an 'id' attribute
+
+			/** Views *********************************************************/
+
+			'bbp-single-view'      => array( $this, 'display_view'          ), // Single view
+
+			/** Account *******************************************************/
+
+			'bbp-login'            => array( $this, 'display_login'         ), // Login
+			'bbp-register'         => array( $this, 'display_register'      ), // Register
+			'bbp-lost-pass'        => array( $this, 'display_lost_pass'     ), // Lost Password
+		) );
+	}
+
+	/**
+	 * Register the bbPress shortcodes
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @uses add_shortcode()
+	 * @uses do_action()
+	 */
+	private function add_shortcodes() {
+		foreach( (array) $this->codes as $code => $function ) {
+			add_shortcode( $code, $function );
+		}
+	}
+
+	/**
+	 * Unset some globals in the $bbp object that hold query related info
+	 *
+	 * @since bbPress (r3034)
+	 */
+	private function unset_globals() {
+		$bbp = bbpress();
+
+		// Unset global queries
+		$bbp->forum_query = new stdClass;
+		$bbp->topic_query = new stdClass;
+		$bbp->reply_query = new stdClass;
+
+		// Unset global ID's
+		$bbp->current_forum_id     = 0;
+		$bbp->current_topic_id     = 0;
+		$bbp->current_reply_id     = 0;
+		$bbp->current_topic_tag_id = 0;
+
+		// Reset the post data
+		wp_reset_postdata();
+	}
+
+	/** Output Buffers ********************************************************/
+
+	/**
+	 * Start an output buffer.
+	 *
+	 * This is used to put the contents of the shortcode into a variable rather
+	 * than outputting the HTML at run-time. This allows shortcodes to appear
+	 * in the correct location in the_content() instead of when it's created.
+	 *
+	 * @since bbPress (r3079)
+	 *
+	 * @param string $query_name
+	 *
+	 * @uses bbp_set_query_name()
+	 * @uses ob_start()
+	 */
+	private function start( $query_name = '' ) {
+
+		// Set query name
+		bbp_set_query_name( $query_name );
+
+		// Remove 'bbp_replace_the_content' filter to prevent infinite loops
+		remove_filter( 'the_content', 'bbp_replace_the_content' );
+
+		// Start output buffer
+		ob_start();
+	}
+
+	/**
+	 * Return the contents of the output buffer and flush its contents.
+	 *
+	 * @since bbPress( r3079)
+	 *
+	 * @uses BBP_Shortcodes::unset_globals() Cleans up global values
+	 * @return string Contents of output buffer.
+	 */
+	private function end() {
+
+		// Put output into usable variable
+		$output = ob_get_contents();
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Flush the output buffer
+		ob_end_clean();
+
+		// Reset the query name
+		bbp_reset_query_name();
+
+		// Add 'bbp_replace_the_content' filter back (@see $this::start())
+		add_filter( 'the_content', 'bbp_replace_the_content' );
+
+		return $output;
+	}
+
+	/** Forum shortcodes ******************************************************/
+
+	/**
+	 * Display an index of all visible root level forums in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses bbp_has_forums()
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_forum_index() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_forum_archive' );
+
+		bbp_get_template_part( 'content', 'archive-forum' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the contents of a specific forum ID in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @uses bbp_single_forum_description()
+	 * @return string
+	 */
+	public function display_forum( $attr, $content = '' ) {
+
+		// Sanity check required info
+		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
+			return $content;
+
+		// Set passed attribute to $forum_id for clarity
+		$forum_id = bbpress()->current_forum_id = $attr['id'];
+
+		// Bail if ID passed is not a forum
+		if ( !bbp_is_forum( $forum_id ) )
+			return $content;
+
+		// Start output buffer
+		$this->start( 'bbp_single_forum' );
+
+		// Check forum caps
+		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
+			bbp_get_template_part( 'content',  'single-forum' );
+
+		// Forum is private and user does not have caps
+		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
+			bbp_get_template_part( 'feedback', 'no-access'    );
+		}
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the forum form in an output buffer and return to ensure
+	 * post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3566)
+	 *
+	 * @uses get_template_part()
+	 */
+	public function display_forum_form() {
+
+		// Start output buffer
+		$this->start( 'bbp_forum_form' );
+
+		// Output templates
+		bbp_get_template_part( 'form', 'forum' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Topic shortcodes ******************************************************/
+
+	/**
+	 * Display an index of all visible root level topics in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses bbp_get_hidden_forum_ids()
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_topic_index() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Filter the query
+		if ( ! bbp_is_topic_archive() ) {
+			add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topic_index_query' ) );
+		}
+
+		// Start output buffer
+		$this->start( 'bbp_topic_archive' );
+
+		// Output template
+		bbp_get_template_part( 'content', 'archive-topic' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the contents of a specific topic ID in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_topic( $attr, $content = '' ) {
+
+		// Sanity check required info
+		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
+			return $content;
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Set passed attribute to $forum_id for clarity
+		$topic_id = bbpress()->current_topic_id = $attr['id'];
+		$forum_id = bbp_get_topic_forum_id( $topic_id );
+
+		// Bail if ID passed is not a topic
+		if ( !bbp_is_topic( $topic_id ) )
+			return $content;
+
+		// Reset the queries if not in theme compat
+		if ( !bbp_is_theme_compat_active() ) {
+
+			$bbp = bbpress();
+
+			// Reset necessary forum_query attributes for topics loop to function
+			$bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
+			$bbp->forum_query->in_the_loop             = true;
+			$bbp->forum_query->post                    = get_post( $forum_id );
+
+			// Reset necessary topic_query attributes for topics loop to function
+			$bbp->topic_query->query_vars['post_type'] = bbp_get_topic_post_type();
+			$bbp->topic_query->in_the_loop             = true;
+			$bbp->topic_query->post                    = get_post( $topic_id );
+		}
+
+		// Start output buffer
+		$this->start( 'bbp_single_topic' );
+
+		// Check forum caps
+		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
+			bbp_get_template_part( 'content', 'single-topic' );
+
+		// Forum is private and user does not have caps
+		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
+			bbp_get_template_part( 'feedback', 'no-access'    );
+		}
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the topic form in an output buffer and return to ensure
+	 * post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @uses get_template_part()
+	 */
+	public function display_topic_form() {
+
+		// Start output buffer
+		$this->start( 'bbp_topic_form' );
+
+		// Output templates
+		bbp_get_template_part( 'form', 'topic' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Replies ***************************************************************/
+
+	/**
+	 * Display the contents of a specific reply ID in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_reply( $attr, $content = '' ) {
+
+		// Sanity check required info
+		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
+			return $content;
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Set passed attribute to $reply_id for clarity
+		$reply_id = bbpress()->current_reply_id = $attr['id'];
+		$forum_id = bbp_get_reply_forum_id( $reply_id );
+
+		// Bail if ID passed is not a reply
+		if ( !bbp_is_reply( $reply_id ) )
+			return $content;
+
+		// Reset the queries if not in theme compat
+		if ( !bbp_is_theme_compat_active() ) {
+
+			$bbp = bbpress();
+
+			// Reset necessary forum_query attributes for replys loop to function
+			$bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
+			$bbp->forum_query->in_the_loop             = true;
+			$bbp->forum_query->post                    = get_post( $forum_id );
+
+			// Reset necessary reply_query attributes for replys loop to function
+			$bbp->reply_query->query_vars['post_type'] = bbp_get_reply_post_type();
+			$bbp->reply_query->in_the_loop             = true;
+			$bbp->reply_query->post                    = get_post( $reply_id );
+		}
+
+		// Start output buffer
+		$this->start( 'bbp_single_reply' );
+
+		// Check forum caps
+		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
+			bbp_get_template_part( 'content',  'single-reply' );
+
+		// Forum is private and user does not have caps
+		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
+			bbp_get_template_part( 'feedback', 'no-access'    );
+		}
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the reply form in an output buffer and return to ensure
+	 * post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @uses get_template_part()
+	 */
+	public function display_reply_form() {
+
+		// Start output buffer
+		$this->start( 'bbp_reply_form' );
+
+		// Output templates
+		bbp_get_template_part( 'form', 'reply' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Topic Tags ************************************************************/
+
+	/**
+	 * Display a tag cloud of all topic tags in an output buffer and return to
+	 * ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3110)
+	 *
+	 * @return string
+	 */
+	public function display_topic_tags() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_topic_tags' );
+
+		// Output the topic tags
+		wp_tag_cloud( array(
+			'smallest' => 9,
+			'largest'  => 38,
+			'number'   => 80,
+			'taxonomy' => bbp_get_topic_tag_tax_id()
+		) );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the contents of a specific topic tag in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3110)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_topics_of_tag( $attr, $content = '' ) {
+
+		// Sanity check required info
+		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
+			return $content;
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Filter the query
+		if ( ! bbp_is_topic_tag() ) {
+			add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topics_of_tag_query' ) );
+		}
+
+		// Start output buffer
+		$this->start( 'bbp_topic_tag' );
+
+		// Set passed attribute to $ag_id for clarity
+		bbpress()->current_topic_tag_id = $tag_id = $attr['id'];
+
+		// Output template
+		bbp_get_template_part( 'content', 'archive-topic' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display the contents of a specific topic tag in an output buffer
+	 * and return to ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3346)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @return string
+	 */
+	public function display_topic_tag_form() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_topic_tag_edit' );
+
+		// Output template
+		bbp_get_template_part( 'content', 'topic-tag-edit' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Views *****************************************************************/
+
+	/**
+	 * Display the contents of a specific view in an output buffer and return to
+	 * ensure that post/page contents are displayed first.
+	 *
+	 * @since bbPress (r3031)
+	 *
+	 * @param array $attr
+	 * @param string $content
+	 * @uses get_template_part()
+	 * @uses bbp_single_forum_description()
+	 * @return string
+	 */
+	public function display_view( $attr, $content = '' ) {
+
+		// Sanity check required info
+		if ( empty( $attr['id'] ) )
+			return $content;
+
+		// Set passed attribute to $view_id for clarity
+		$view_id = $attr['id'];
+
+		// Start output buffer
+		$this->start( 'bbp_single_view' );
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Load the view
+		bbp_view_query( $view_id );
+
+		// Output template
+		bbp_get_template_part( 'content', 'single-view' );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Account ***************************************************************/
+
+	/**
+	 * Display a login form
+	 *
+	 * @since bbPress (r3302)
+	 *
+	 * @return string
+	 */
+	public function display_login() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_login' );
+
+		// Output templates
+		if ( !is_user_logged_in() )
+			bbp_get_template_part( 'form',     'user-login' );
+		else
+			bbp_get_template_part( 'feedback', 'logged-in'  );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display a register form
+	 *
+	 * @since bbPress (r3302)
+	 *
+	 * @return string
+	 */
+	public function display_register() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_register' );
+
+		// Output templates
+		if ( !is_user_logged_in() )
+			bbp_get_template_part( 'form',     'user-register' );
+		else
+			bbp_get_template_part( 'feedback', 'logged-in'     );
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/**
+	 * Display a lost password form
+	 *
+	 * @since bbPress (r3302)
+	 *
+	 * @return string
+	 */
+	public function display_lost_pass() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start( 'bbp_lost_pass' );
+
+		// Output templates
+		if ( !is_user_logged_in() )
+			bbp_get_template_part( 'form',     'user-lost-pass' );
+		else
+			bbp_get_template_part( 'feedback', 'logged-in'      );
+	
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Other *****************************************************************/
+
+	/**
+	 * Display a breadcrumb
+	 *
+	 * @since bbPress (r3302)
+	 *
+	 * @return string
+	 */
+	public function display_breadcrumb() {
+
+		// Unset globals
+		$this->unset_globals();
+
+		// Start output buffer
+		$this->start();
+
+		// Output breadcrumb
+		bbp_breadcrumb();
+
+		// Return contents of output buffer
+		return $this->end();
+	}
+
+	/** Query Filters *********************************************************/
+
+	/**
+	 * Filter the query for the topic index
+	 *
+	 * @since bbPress (r3637)
+	 *
+	 * @param array $args
+	 * @return array
+	 */
+	public function display_topic_index_query( $args = array() ) {
+		$args['author']        = 0;
+		$args['show_stickies'] = true;
+		$args['order']         = 'DESC';
+		return $args;
+	}
+
+	/**
+	 * Filter the query for topic tags
+	 *
+	 * @since bbPress (r3637)
+	 *
+	 * @param array $args
+	 * @return array
+	 */
+	public function display_topics_of_tag_query( $args = array() ) {
+		$args['tax_query'] = array( array(
+			'taxonomy' => bbp_get_topic_tag_tax_id(),
+			'field'    => 'id',
+			'terms'    => bbpress()->current_topic_tag_id
+		) );
+
+		return $args;
+	}
+}
+endif;