web/wp-content/plugins/bbpress/includes/common/shortcodes.php
changeset 196 5e8dcbe22c24
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195:c7c0fbc09788 196:5e8dcbe22c24
       
     1 <?php
       
     2 
       
     3 /**
       
     4  * bbPress Shortcodes
       
     5  *
       
     6  * @package bbPress
       
     7  * @subpackage Shortcodes
       
     8  */
       
     9 
       
    10 // Exit if accessed directly
       
    11 if ( !defined( 'ABSPATH' ) ) exit;
       
    12 
       
    13 if ( !class_exists( 'BBP_Shortcodes' ) ) :
       
    14 /**
       
    15  * bbPress Shortcode Class
       
    16  *
       
    17  * @since bbPress (r3031)
       
    18  */
       
    19 class BBP_Shortcodes {
       
    20 
       
    21 	/** Vars ******************************************************************/
       
    22 
       
    23 	/**
       
    24 	 * @var array Shortcode => function
       
    25 	 */
       
    26 	public $codes = array();
       
    27 
       
    28 	/** Functions *************************************************************/
       
    29 
       
    30 	/**
       
    31 	 * Add the register_shortcodes action to bbp_init
       
    32 	 *
       
    33 	 * @since bbPress (r3031)
       
    34 	 *
       
    35 	 * @uses setup_globals()
       
    36 	 * @uses add_shortcodes()
       
    37 	 */
       
    38 	public function __construct() {
       
    39 		$this->setup_globals();
       
    40 		$this->add_shortcodes();
       
    41 	}
       
    42 
       
    43 	/**
       
    44 	 * Shortcode globals
       
    45 	 *
       
    46 	 * @since bbPress (r3143)
       
    47 	 * @access private
       
    48 	 *
       
    49 	 * @uses apply_filters()
       
    50 	 */
       
    51 	private function setup_globals() {
       
    52 
       
    53 		// Setup the shortcodes
       
    54 		$this->codes = apply_filters( 'bbp_shortcodes', array(
       
    55 
       
    56 			/** Forums ********************************************************/
       
    57 
       
    58 			'bbp-forum-index'      => array( $this, 'display_forum_index'   ), // Forum Index
       
    59 			'bbp-forum-form'       => array( $this, 'display_forum_form'    ), // Topic form
       
    60 			'bbp-single-forum'     => array( $this, 'display_forum'         ), // Specific forum - pass an 'id' attribute
       
    61 
       
    62 			/** Topics ********************************************************/
       
    63 
       
    64 			'bbp-topic-index'      => array( $this, 'display_topic_index'   ), // Topic index
       
    65 			'bbp-topic-form'       => array( $this, 'display_topic_form'    ), // Topic form
       
    66 			'bbp-single-topic'     => array( $this, 'display_topic'         ), // Specific topic - pass an 'id' attribute
       
    67 
       
    68 			/** Topic Tags ****************************************************/
       
    69 
       
    70 			'bbp-topic-tags'       => array( $this, 'display_topic_tags'    ), // All topic tags in a cloud
       
    71 			'bbp-single-tag'       => array( $this, 'display_topics_of_tag' ), // Topics of Tag
       
    72 
       
    73 			/** Replies *******************************************************/
       
    74 
       
    75 			'bbp-reply-form'       => array( $this, 'display_reply_form'    ), // Reply form
       
    76 			'bbp-single-reply'     => array( $this, 'display_reply'         ), // Specific reply - pass an 'id' attribute
       
    77 
       
    78 			/** Views *********************************************************/
       
    79 
       
    80 			'bbp-single-view'      => array( $this, 'display_view'          ), // Single view
       
    81 
       
    82 			/** Account *******************************************************/
       
    83 
       
    84 			'bbp-login'            => array( $this, 'display_login'         ), // Login
       
    85 			'bbp-register'         => array( $this, 'display_register'      ), // Register
       
    86 			'bbp-lost-pass'        => array( $this, 'display_lost_pass'     ), // Lost Password
       
    87 		) );
       
    88 	}
       
    89 
       
    90 	/**
       
    91 	 * Register the bbPress shortcodes
       
    92 	 *
       
    93 	 * @since bbPress (r3031)
       
    94 	 *
       
    95 	 * @uses add_shortcode()
       
    96 	 * @uses do_action()
       
    97 	 */
       
    98 	private function add_shortcodes() {
       
    99 		foreach( (array) $this->codes as $code => $function ) {
       
   100 			add_shortcode( $code, $function );
       
   101 		}
       
   102 	}
       
   103 
       
   104 	/**
       
   105 	 * Unset some globals in the $bbp object that hold query related info
       
   106 	 *
       
   107 	 * @since bbPress (r3034)
       
   108 	 */
       
   109 	private function unset_globals() {
       
   110 		$bbp = bbpress();
       
   111 
       
   112 		// Unset global queries
       
   113 		$bbp->forum_query = new stdClass;
       
   114 		$bbp->topic_query = new stdClass;
       
   115 		$bbp->reply_query = new stdClass;
       
   116 
       
   117 		// Unset global ID's
       
   118 		$bbp->current_forum_id     = 0;
       
   119 		$bbp->current_topic_id     = 0;
       
   120 		$bbp->current_reply_id     = 0;
       
   121 		$bbp->current_topic_tag_id = 0;
       
   122 
       
   123 		// Reset the post data
       
   124 		wp_reset_postdata();
       
   125 	}
       
   126 
       
   127 	/** Output Buffers ********************************************************/
       
   128 
       
   129 	/**
       
   130 	 * Start an output buffer.
       
   131 	 *
       
   132 	 * This is used to put the contents of the shortcode into a variable rather
       
   133 	 * than outputting the HTML at run-time. This allows shortcodes to appear
       
   134 	 * in the correct location in the_content() instead of when it's created.
       
   135 	 *
       
   136 	 * @since bbPress (r3079)
       
   137 	 *
       
   138 	 * @param string $query_name
       
   139 	 *
       
   140 	 * @uses bbp_set_query_name()
       
   141 	 * @uses ob_start()
       
   142 	 */
       
   143 	private function start( $query_name = '' ) {
       
   144 
       
   145 		// Set query name
       
   146 		bbp_set_query_name( $query_name );
       
   147 
       
   148 		// Remove 'bbp_replace_the_content' filter to prevent infinite loops
       
   149 		remove_filter( 'the_content', 'bbp_replace_the_content' );
       
   150 
       
   151 		// Start output buffer
       
   152 		ob_start();
       
   153 	}
       
   154 
       
   155 	/**
       
   156 	 * Return the contents of the output buffer and flush its contents.
       
   157 	 *
       
   158 	 * @since bbPress( r3079)
       
   159 	 *
       
   160 	 * @uses BBP_Shortcodes::unset_globals() Cleans up global values
       
   161 	 * @return string Contents of output buffer.
       
   162 	 */
       
   163 	private function end() {
       
   164 
       
   165 		// Put output into usable variable
       
   166 		$output = ob_get_contents();
       
   167 
       
   168 		// Unset globals
       
   169 		$this->unset_globals();
       
   170 
       
   171 		// Flush the output buffer
       
   172 		ob_end_clean();
       
   173 
       
   174 		// Reset the query name
       
   175 		bbp_reset_query_name();
       
   176 
       
   177 		// Add 'bbp_replace_the_content' filter back (@see $this::start())
       
   178 		add_filter( 'the_content', 'bbp_replace_the_content' );
       
   179 
       
   180 		return $output;
       
   181 	}
       
   182 
       
   183 	/** Forum shortcodes ******************************************************/
       
   184 
       
   185 	/**
       
   186 	 * Display an index of all visible root level forums in an output buffer
       
   187 	 * and return to ensure that post/page contents are displayed first.
       
   188 	 *
       
   189 	 * @since bbPress (r3031)
       
   190 	 *
       
   191 	 * @param array $attr
       
   192 	 * @param string $content
       
   193 	 * @uses bbp_has_forums()
       
   194 	 * @uses get_template_part()
       
   195 	 * @return string
       
   196 	 */
       
   197 	public function display_forum_index() {
       
   198 
       
   199 		// Unset globals
       
   200 		$this->unset_globals();
       
   201 
       
   202 		// Start output buffer
       
   203 		$this->start( 'bbp_forum_archive' );
       
   204 
       
   205 		bbp_get_template_part( 'content', 'archive-forum' );
       
   206 
       
   207 		// Return contents of output buffer
       
   208 		return $this->end();
       
   209 	}
       
   210 
       
   211 	/**
       
   212 	 * Display the contents of a specific forum ID in an output buffer
       
   213 	 * and return to ensure that post/page contents are displayed first.
       
   214 	 *
       
   215 	 * @since bbPress (r3031)
       
   216 	 *
       
   217 	 * @param array $attr
       
   218 	 * @param string $content
       
   219 	 * @uses get_template_part()
       
   220 	 * @uses bbp_single_forum_description()
       
   221 	 * @return string
       
   222 	 */
       
   223 	public function display_forum( $attr, $content = '' ) {
       
   224 
       
   225 		// Sanity check required info
       
   226 		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
       
   227 			return $content;
       
   228 
       
   229 		// Set passed attribute to $forum_id for clarity
       
   230 		$forum_id = bbpress()->current_forum_id = $attr['id'];
       
   231 
       
   232 		// Bail if ID passed is not a forum
       
   233 		if ( !bbp_is_forum( $forum_id ) )
       
   234 			return $content;
       
   235 
       
   236 		// Start output buffer
       
   237 		$this->start( 'bbp_single_forum' );
       
   238 
       
   239 		// Check forum caps
       
   240 		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
       
   241 			bbp_get_template_part( 'content',  'single-forum' );
       
   242 
       
   243 		// Forum is private and user does not have caps
       
   244 		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
       
   245 			bbp_get_template_part( 'feedback', 'no-access'    );
       
   246 		}
       
   247 
       
   248 		// Return contents of output buffer
       
   249 		return $this->end();
       
   250 	}
       
   251 
       
   252 	/**
       
   253 	 * Display the forum form in an output buffer and return to ensure
       
   254 	 * post/page contents are displayed first.
       
   255 	 *
       
   256 	 * @since bbPress (r3566)
       
   257 	 *
       
   258 	 * @uses get_template_part()
       
   259 	 */
       
   260 	public function display_forum_form() {
       
   261 
       
   262 		// Start output buffer
       
   263 		$this->start( 'bbp_forum_form' );
       
   264 
       
   265 		// Output templates
       
   266 		bbp_get_template_part( 'form', 'forum' );
       
   267 
       
   268 		// Return contents of output buffer
       
   269 		return $this->end();
       
   270 	}
       
   271 
       
   272 	/** Topic shortcodes ******************************************************/
       
   273 
       
   274 	/**
       
   275 	 * Display an index of all visible root level topics in an output buffer
       
   276 	 * and return to ensure that post/page contents are displayed first.
       
   277 	 *
       
   278 	 * @since bbPress (r3031)
       
   279 	 *
       
   280 	 * @param array $attr
       
   281 	 * @param string $content
       
   282 	 * @uses bbp_get_hidden_forum_ids()
       
   283 	 * @uses get_template_part()
       
   284 	 * @return string
       
   285 	 */
       
   286 	public function display_topic_index() {
       
   287 
       
   288 		// Unset globals
       
   289 		$this->unset_globals();
       
   290 
       
   291 		// Filter the query
       
   292 		if ( ! bbp_is_topic_archive() ) {
       
   293 			add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topic_index_query' ) );
       
   294 		}
       
   295 
       
   296 		// Start output buffer
       
   297 		$this->start( 'bbp_topic_archive' );
       
   298 
       
   299 		// Output template
       
   300 		bbp_get_template_part( 'content', 'archive-topic' );
       
   301 
       
   302 		// Return contents of output buffer
       
   303 		return $this->end();
       
   304 	}
       
   305 
       
   306 	/**
       
   307 	 * Display the contents of a specific topic ID in an output buffer
       
   308 	 * and return to ensure that post/page contents are displayed first.
       
   309 	 *
       
   310 	 * @since bbPress (r3031)
       
   311 	 *
       
   312 	 * @param array $attr
       
   313 	 * @param string $content
       
   314 	 * @uses get_template_part()
       
   315 	 * @return string
       
   316 	 */
       
   317 	public function display_topic( $attr, $content = '' ) {
       
   318 
       
   319 		// Sanity check required info
       
   320 		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
       
   321 			return $content;
       
   322 
       
   323 		// Unset globals
       
   324 		$this->unset_globals();
       
   325 
       
   326 		// Set passed attribute to $forum_id for clarity
       
   327 		$topic_id = bbpress()->current_topic_id = $attr['id'];
       
   328 		$forum_id = bbp_get_topic_forum_id( $topic_id );
       
   329 
       
   330 		// Bail if ID passed is not a topic
       
   331 		if ( !bbp_is_topic( $topic_id ) )
       
   332 			return $content;
       
   333 
       
   334 		// Reset the queries if not in theme compat
       
   335 		if ( !bbp_is_theme_compat_active() ) {
       
   336 
       
   337 			$bbp = bbpress();
       
   338 
       
   339 			// Reset necessary forum_query attributes for topics loop to function
       
   340 			$bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
       
   341 			$bbp->forum_query->in_the_loop             = true;
       
   342 			$bbp->forum_query->post                    = get_post( $forum_id );
       
   343 
       
   344 			// Reset necessary topic_query attributes for topics loop to function
       
   345 			$bbp->topic_query->query_vars['post_type'] = bbp_get_topic_post_type();
       
   346 			$bbp->topic_query->in_the_loop             = true;
       
   347 			$bbp->topic_query->post                    = get_post( $topic_id );
       
   348 		}
       
   349 
       
   350 		// Start output buffer
       
   351 		$this->start( 'bbp_single_topic' );
       
   352 
       
   353 		// Check forum caps
       
   354 		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
       
   355 			bbp_get_template_part( 'content', 'single-topic' );
       
   356 
       
   357 		// Forum is private and user does not have caps
       
   358 		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
       
   359 			bbp_get_template_part( 'feedback', 'no-access'    );
       
   360 		}
       
   361 
       
   362 		// Return contents of output buffer
       
   363 		return $this->end();
       
   364 	}
       
   365 
       
   366 	/**
       
   367 	 * Display the topic form in an output buffer and return to ensure
       
   368 	 * post/page contents are displayed first.
       
   369 	 *
       
   370 	 * @since bbPress (r3031)
       
   371 	 *
       
   372 	 * @uses get_template_part()
       
   373 	 */
       
   374 	public function display_topic_form() {
       
   375 
       
   376 		// Start output buffer
       
   377 		$this->start( 'bbp_topic_form' );
       
   378 
       
   379 		// Output templates
       
   380 		bbp_get_template_part( 'form', 'topic' );
       
   381 
       
   382 		// Return contents of output buffer
       
   383 		return $this->end();
       
   384 	}
       
   385 
       
   386 	/** Replies ***************************************************************/
       
   387 
       
   388 	/**
       
   389 	 * Display the contents of a specific reply ID in an output buffer
       
   390 	 * and return to ensure that post/page contents are displayed first.
       
   391 	 *
       
   392 	 * @since bbPress (r3031)
       
   393 	 *
       
   394 	 * @param array $attr
       
   395 	 * @param string $content
       
   396 	 * @uses get_template_part()
       
   397 	 * @return string
       
   398 	 */
       
   399 	public function display_reply( $attr, $content = '' ) {
       
   400 
       
   401 		// Sanity check required info
       
   402 		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
       
   403 			return $content;
       
   404 
       
   405 		// Unset globals
       
   406 		$this->unset_globals();
       
   407 
       
   408 		// Set passed attribute to $reply_id for clarity
       
   409 		$reply_id = bbpress()->current_reply_id = $attr['id'];
       
   410 		$forum_id = bbp_get_reply_forum_id( $reply_id );
       
   411 
       
   412 		// Bail if ID passed is not a reply
       
   413 		if ( !bbp_is_reply( $reply_id ) )
       
   414 			return $content;
       
   415 
       
   416 		// Reset the queries if not in theme compat
       
   417 		if ( !bbp_is_theme_compat_active() ) {
       
   418 
       
   419 			$bbp = bbpress();
       
   420 
       
   421 			// Reset necessary forum_query attributes for replys loop to function
       
   422 			$bbp->forum_query->query_vars['post_type'] = bbp_get_forum_post_type();
       
   423 			$bbp->forum_query->in_the_loop             = true;
       
   424 			$bbp->forum_query->post                    = get_post( $forum_id );
       
   425 
       
   426 			// Reset necessary reply_query attributes for replys loop to function
       
   427 			$bbp->reply_query->query_vars['post_type'] = bbp_get_reply_post_type();
       
   428 			$bbp->reply_query->in_the_loop             = true;
       
   429 			$bbp->reply_query->post                    = get_post( $reply_id );
       
   430 		}
       
   431 
       
   432 		// Start output buffer
       
   433 		$this->start( 'bbp_single_reply' );
       
   434 
       
   435 		// Check forum caps
       
   436 		if ( bbp_user_can_view_forum( array( 'forum_id' => $forum_id ) ) ) {
       
   437 			bbp_get_template_part( 'content',  'single-reply' );
       
   438 
       
   439 		// Forum is private and user does not have caps
       
   440 		} elseif ( bbp_is_forum_private( $forum_id, false ) ) {
       
   441 			bbp_get_template_part( 'feedback', 'no-access'    );
       
   442 		}
       
   443 
       
   444 		// Return contents of output buffer
       
   445 		return $this->end();
       
   446 	}
       
   447 
       
   448 	/**
       
   449 	 * Display the reply form in an output buffer and return to ensure
       
   450 	 * post/page contents are displayed first.
       
   451 	 *
       
   452 	 * @since bbPress (r3031)
       
   453 	 *
       
   454 	 * @uses get_template_part()
       
   455 	 */
       
   456 	public function display_reply_form() {
       
   457 
       
   458 		// Start output buffer
       
   459 		$this->start( 'bbp_reply_form' );
       
   460 
       
   461 		// Output templates
       
   462 		bbp_get_template_part( 'form', 'reply' );
       
   463 
       
   464 		// Return contents of output buffer
       
   465 		return $this->end();
       
   466 	}
       
   467 
       
   468 	/** Topic Tags ************************************************************/
       
   469 
       
   470 	/**
       
   471 	 * Display a tag cloud of all topic tags in an output buffer and return to
       
   472 	 * ensure that post/page contents are displayed first.
       
   473 	 *
       
   474 	 * @since bbPress (r3110)
       
   475 	 *
       
   476 	 * @return string
       
   477 	 */
       
   478 	public function display_topic_tags() {
       
   479 
       
   480 		// Unset globals
       
   481 		$this->unset_globals();
       
   482 
       
   483 		// Start output buffer
       
   484 		$this->start( 'bbp_topic_tags' );
       
   485 
       
   486 		// Output the topic tags
       
   487 		wp_tag_cloud( array(
       
   488 			'smallest' => 9,
       
   489 			'largest'  => 38,
       
   490 			'number'   => 80,
       
   491 			'taxonomy' => bbp_get_topic_tag_tax_id()
       
   492 		) );
       
   493 
       
   494 		// Return contents of output buffer
       
   495 		return $this->end();
       
   496 	}
       
   497 
       
   498 	/**
       
   499 	 * Display the contents of a specific topic tag in an output buffer
       
   500 	 * and return to ensure that post/page contents are displayed first.
       
   501 	 *
       
   502 	 * @since bbPress (r3110)
       
   503 	 *
       
   504 	 * @param array $attr
       
   505 	 * @param string $content
       
   506 	 * @uses get_template_part()
       
   507 	 * @return string
       
   508 	 */
       
   509 	public function display_topics_of_tag( $attr, $content = '' ) {
       
   510 
       
   511 		// Sanity check required info
       
   512 		if ( !empty( $content ) || ( empty( $attr['id'] ) || !is_numeric( $attr['id'] ) ) )
       
   513 			return $content;
       
   514 
       
   515 		// Unset globals
       
   516 		$this->unset_globals();
       
   517 
       
   518 		// Filter the query
       
   519 		if ( ! bbp_is_topic_tag() ) {
       
   520 			add_filter( 'bbp_before_has_topics_parse_args', array( $this, 'display_topics_of_tag_query' ) );
       
   521 		}
       
   522 
       
   523 		// Start output buffer
       
   524 		$this->start( 'bbp_topic_tag' );
       
   525 
       
   526 		// Set passed attribute to $ag_id for clarity
       
   527 		bbpress()->current_topic_tag_id = $tag_id = $attr['id'];
       
   528 
       
   529 		// Output template
       
   530 		bbp_get_template_part( 'content', 'archive-topic' );
       
   531 
       
   532 		// Return contents of output buffer
       
   533 		return $this->end();
       
   534 	}
       
   535 
       
   536 	/**
       
   537 	 * Display the contents of a specific topic tag in an output buffer
       
   538 	 * and return to ensure that post/page contents are displayed first.
       
   539 	 *
       
   540 	 * @since bbPress (r3346)
       
   541 	 *
       
   542 	 * @param array $attr
       
   543 	 * @param string $content
       
   544 	 * @uses get_template_part()
       
   545 	 * @return string
       
   546 	 */
       
   547 	public function display_topic_tag_form() {
       
   548 
       
   549 		// Unset globals
       
   550 		$this->unset_globals();
       
   551 
       
   552 		// Start output buffer
       
   553 		$this->start( 'bbp_topic_tag_edit' );
       
   554 
       
   555 		// Output template
       
   556 		bbp_get_template_part( 'content', 'topic-tag-edit' );
       
   557 
       
   558 		// Return contents of output buffer
       
   559 		return $this->end();
       
   560 	}
       
   561 
       
   562 	/** Views *****************************************************************/
       
   563 
       
   564 	/**
       
   565 	 * Display the contents of a specific view in an output buffer and return to
       
   566 	 * ensure that post/page contents are displayed first.
       
   567 	 *
       
   568 	 * @since bbPress (r3031)
       
   569 	 *
       
   570 	 * @param array $attr
       
   571 	 * @param string $content
       
   572 	 * @uses get_template_part()
       
   573 	 * @uses bbp_single_forum_description()
       
   574 	 * @return string
       
   575 	 */
       
   576 	public function display_view( $attr, $content = '' ) {
       
   577 
       
   578 		// Sanity check required info
       
   579 		if ( empty( $attr['id'] ) )
       
   580 			return $content;
       
   581 
       
   582 		// Set passed attribute to $view_id for clarity
       
   583 		$view_id = $attr['id'];
       
   584 
       
   585 		// Start output buffer
       
   586 		$this->start( 'bbp_single_view' );
       
   587 
       
   588 		// Unset globals
       
   589 		$this->unset_globals();
       
   590 
       
   591 		// Load the view
       
   592 		bbp_view_query( $view_id );
       
   593 
       
   594 		// Output template
       
   595 		bbp_get_template_part( 'content', 'single-view' );
       
   596 
       
   597 		// Return contents of output buffer
       
   598 		return $this->end();
       
   599 	}
       
   600 
       
   601 	/** Account ***************************************************************/
       
   602 
       
   603 	/**
       
   604 	 * Display a login form
       
   605 	 *
       
   606 	 * @since bbPress (r3302)
       
   607 	 *
       
   608 	 * @return string
       
   609 	 */
       
   610 	public function display_login() {
       
   611 
       
   612 		// Unset globals
       
   613 		$this->unset_globals();
       
   614 
       
   615 		// Start output buffer
       
   616 		$this->start( 'bbp_login' );
       
   617 
       
   618 		// Output templates
       
   619 		if ( !is_user_logged_in() )
       
   620 			bbp_get_template_part( 'form',     'user-login' );
       
   621 		else
       
   622 			bbp_get_template_part( 'feedback', 'logged-in'  );
       
   623 
       
   624 		// Return contents of output buffer
       
   625 		return $this->end();
       
   626 	}
       
   627 
       
   628 	/**
       
   629 	 * Display a register form
       
   630 	 *
       
   631 	 * @since bbPress (r3302)
       
   632 	 *
       
   633 	 * @return string
       
   634 	 */
       
   635 	public function display_register() {
       
   636 
       
   637 		// Unset globals
       
   638 		$this->unset_globals();
       
   639 
       
   640 		// Start output buffer
       
   641 		$this->start( 'bbp_register' );
       
   642 
       
   643 		// Output templates
       
   644 		if ( !is_user_logged_in() )
       
   645 			bbp_get_template_part( 'form',     'user-register' );
       
   646 		else
       
   647 			bbp_get_template_part( 'feedback', 'logged-in'     );
       
   648 
       
   649 		// Return contents of output buffer
       
   650 		return $this->end();
       
   651 	}
       
   652 
       
   653 	/**
       
   654 	 * Display a lost password form
       
   655 	 *
       
   656 	 * @since bbPress (r3302)
       
   657 	 *
       
   658 	 * @return string
       
   659 	 */
       
   660 	public function display_lost_pass() {
       
   661 
       
   662 		// Unset globals
       
   663 		$this->unset_globals();
       
   664 
       
   665 		// Start output buffer
       
   666 		$this->start( 'bbp_lost_pass' );
       
   667 
       
   668 		// Output templates
       
   669 		if ( !is_user_logged_in() )
       
   670 			bbp_get_template_part( 'form',     'user-lost-pass' );
       
   671 		else
       
   672 			bbp_get_template_part( 'feedback', 'logged-in'      );
       
   673 	
       
   674 		// Return contents of output buffer
       
   675 		return $this->end();
       
   676 	}
       
   677 
       
   678 	/** Other *****************************************************************/
       
   679 
       
   680 	/**
       
   681 	 * Display a breadcrumb
       
   682 	 *
       
   683 	 * @since bbPress (r3302)
       
   684 	 *
       
   685 	 * @return string
       
   686 	 */
       
   687 	public function display_breadcrumb() {
       
   688 
       
   689 		// Unset globals
       
   690 		$this->unset_globals();
       
   691 
       
   692 		// Start output buffer
       
   693 		$this->start();
       
   694 
       
   695 		// Output breadcrumb
       
   696 		bbp_breadcrumb();
       
   697 
       
   698 		// Return contents of output buffer
       
   699 		return $this->end();
       
   700 	}
       
   701 
       
   702 	/** Query Filters *********************************************************/
       
   703 
       
   704 	/**
       
   705 	 * Filter the query for the topic index
       
   706 	 *
       
   707 	 * @since bbPress (r3637)
       
   708 	 *
       
   709 	 * @param array $args
       
   710 	 * @return array
       
   711 	 */
       
   712 	public function display_topic_index_query( $args = array() ) {
       
   713 		$args['author']        = 0;
       
   714 		$args['show_stickies'] = true;
       
   715 		$args['order']         = 'DESC';
       
   716 		return $args;
       
   717 	}
       
   718 
       
   719 	/**
       
   720 	 * Filter the query for topic tags
       
   721 	 *
       
   722 	 * @since bbPress (r3637)
       
   723 	 *
       
   724 	 * @param array $args
       
   725 	 * @return array
       
   726 	 */
       
   727 	public function display_topics_of_tag_query( $args = array() ) {
       
   728 		$args['tax_query'] = array( array(
       
   729 			'taxonomy' => bbp_get_topic_tag_tax_id(),
       
   730 			'field'    => 'id',
       
   731 			'terms'    => bbpress()->current_topic_tag_id
       
   732 		) );
       
   733 
       
   734 		return $args;
       
   735 	}
       
   736 }
       
   737 endif;