<?php

/*

Plugin Name: xili-xl-bbp-addon

Plugin URI: http://dev.xiligroup.com

Description: add multilingual functions and features to bbPress (Localized forums). Delivered in xili-language package. If option activated, bbPress default theme will use bbpress.css in your theme directory.

Version: 2.8.1

Author: MS

Author URI: http://dev.xiligroup.com

*/

/*

Changelog:

2.8.1: - 20120915 - Initial release as class

*/

define('XILIXLBBPADDON_VER','2.8.1');

class xili_xl_bbp_addon {

	var $plugin_name = 'xili-xl-bbp-addon'; // filename and folder

	var $plugin_folder = 'xili-language';

	var $display_plugin_name = '©xili xl-bbPress add-on'; // menu and top

	var $settings_name = 'xili-xl-bbp-addon_settings'; // The settings string name for this plugin in options table

	var $xili_settings = array(); 

	var $xili_settings_ver = '1.0';

	var $plugin_local = "'xili_xl_bbp_addon'"; // text domain

	var $settings_list = "xili_xl_bbp_addon_list"; // used by settings sections and fields in settings page

	var $url = '';

	var $urlpath = ''; // The path to this plugin - see construct

	var $debug ; //WP_DEBUG

	//Class Functions

	/**

	 * PHP 4 Compatible Constructor

	 */

	function xili_xl_bbp_addon(){ $this->__construct(); }

	/**

	 * PHP 5 Constructor

	 */		

	function __construct(){

		$this->debug = ( defined ('WP_DEBUG') ) ? WP_DEBUG : false ;

		load_plugin_textdomain( 'xili_xl_bbp_addon', false, $this->plugin_folder.'/languages' );

		register_activation_hook( __FILE__, array(&$this,'get_xili_settings') ); // first activation

		$this->url = plugins_url(basename(__FILE__), __FILE__);

		$this->urlpath = plugins_url('', __FILE__);	

		//Initialize the options

		$this->get_xili_settings();

		//Admin menu

		add_action( 'admin_menu', array(&$this, 'admin_menu_link') );

		add_action( 'admin_init', array(&$this, 'admin_init') );

		if ( is_admin() ) {

			add_filter ( 'xiliml_manage_column_name', array(&$this,'xiliml_manage_column_name'), 10, 3);

			add_filter ( 'xiliml_language_translated_in_column', array(&$this,'xiliml_language_translated_in_column'), 10, 3);

		}

		//Actions both side

		add_action( 'init', array(&$this,'plugin_init') );

		add_action( 'bbp_enqueue_scripts', array(&$this,'bbp_custom_css_enqueue') );

		// front-end side

		add_action( 'xiliml_add_frontend_mofiles', array(&$this,'xiliml_add_frontend_mofiles'), 10 ,2);

		if ( ! is_admin() ) { 

			add_action( 'save_post', array(&$this,'bbp_save_topic_or_reply'), 10, 2 );

			add_action( 'parse_query', array(&$this,'bbpress_parse_query') ); // fixe issues in bbp 2.1

		}

	}

	function plugin_init() {

		$this->get_xili_settings();

	}

	/**

	 * Retrieves the plugin options from the database.

	 * @return array

	 */

	function get_xili_settings() {

		if (!$xili_settings = get_option( $this->settings_name )) {

			$xili_settings = array(

			 	'css-theme-folder' => false,

				'version'=> $this->xili_settings_ver  // see on top class

			);

			update_option( $this->settings_name, $xili_settings);

		}

		$this->xili_settings = $xili_settings;

	}

	/** change default style - inspired from Jared Atchison **/

	function bbp_custom_css_enqueue(){

		if ( isset( $this->xili_settings['css-theme-folder'] ) && $this->xili_settings['css-theme-folder']  ){

			// Unregister default bbPress CSS

			wp_deregister_style( 'bbp-default-bbpress' );

			// Register new CSS file in our active theme directory

			wp_enqueue_style( 'bbp-default-bbpress', get_stylesheet_directory_uri() . '/bbpress.css' );

		}

	}

	/** change bbp mo file **/

	function xiliml_add_frontend_mofiles ( $theme_domain, $cur_iso_lang ) { // only called in front-end

		unload_textdomain( 'bbpress' );

		//error_log ( $theme_domain . '--------------' . $cur_iso_lang );

		load_textdomain( 'bbpress', WP_LANG_DIR . '/bbpress/bbpress-'.$cur_iso_lang.'.mo' );

	}

	function bbp_save_topic_or_reply ( $post_ID, $post ) {

		global $xili_language;

	//test if topic or reply

		if ( in_array ( $post->post_type, array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ) ) ) {

	// get language of parent forum

			$parent_lang =  $xili_language->get_post_language ( $post->post_parent ) ;

	// set taxonomy to language

			if ( $parent_lang != '') {

				wp_set_object_terms( $post_ID, $parent_lang, TAXONAME );

			}

		}

	}

	/** 

		* fixe issue in bbPress 2.1

	 */

	function bbpress_parse_query ( $wp_query ) {

		$bbp = bbpress() ;

		if ( isset ( $wp_query->query_vars['post_type' ] ) && version_compare( $bbp->version, '2.2', '<') ) { 

	// announced to be fixed in bbp 2.2 - tracs 1947 - 4216

			if ( is_array ( $wp_query->query_vars['post_type' ] ) ) {

				if ( $wp_query->query_vars['post_type' ] = array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ) ) {

					//error_log (' QUERY '.serialize ( $wp_query->query_vars['post_type' ] ));

					$wp_query->is_home = false ;

				}

			}

		}

	}

	function xiliml_manage_column_name ( $ends, $cols, $post_type ) {

		if ( in_array ( $post_type, array( bbp_get_forum_post_type(), bbp_get_topic_post_type(), bbp_get_reply_post_type() ) ) ) {

		//error_log ( '----------->'.$post_type);

		$ends = array( 'author', 'comments', 'date', 'rel', 'visible');

		}

		return $ends;

	}

	function xiliml_language_translated_in_column ( $output, $result, $post_type ) {

		if ( in_array ( $post_type, array( bbp_get_forum_post_type(), bbp_get_topic_post_type(), bbp_get_reply_post_type() ) ) ) {

			$output = '';		

			if ( $result == '' ) {

				$output .= '.' ;

			} else {

				$output .= __('linked in:', 'xili_xl_bbp_addon') ;

				$output .= '&nbsp;<span class="translated-in">' . $result .'</span>'; 	

			}

		}

		return $output;

	}

	/**

	 * Adds the options subpanel

	 */

	function admin_menu_link() {

		add_options_page( $this->plugin_name, __($this->display_plugin_name, 'xili_xl_bbp_addon'), 'manage_options', __FILE__, array(&$this,'admin_options_page'));

		add_filter( 'plugin_action_links_' . plugin_basename(__FILE__), array(&$this, 'filter_plugin_actions'), 10, 2 );

	}

	/**

	 * Admin init - section - fields

	 */

	function admin_init() {

		register_setting ($this->settings_name, $this->settings_name, array(&$this,'xili_settings_validate_options') );

		add_settings_section ( $this->settings_list.'_section_1', __('List of options ', 'xili_xl_bbp_addon') , array(&$this,'xili_settings_section_1_draw') , $this->settings_list );

		add_settings_field ( $this->settings_list.'_css-theme-folder', __('bbPress default style file in theme', 'xili_xl_bbp_addon'), array(&$this,'xili_settings_field_1_draw'), $this->settings_list, $this->settings_list.'_section_1');

	}

	function xili_settings_section_1_draw () {

		echo '<p>'. __('This plugin shipped with xili-language package is an addon to activate multilingual features to bbPress with xili-language. Some other options are possible.', 'xili_xl_bbp_addon')  . '</p>';

	}

	function xili_settings_field_1_draw () {

		// not checked - not saved in settings

		$checked = ( isset ( $this->xili_settings['css-theme-folder'] ) && $this->xili_settings['css-theme-folder'] ) ? "checked='checked'" : "";

		echo "<input value = 'true' id='{$this->settings_name}[css-theme-folder]' name='{$this->settings_name}[css-theme-folder]' type='checkbox' {$checked}  />"; 

	}

	function xili_settings_validate_options ( $input ) {

		$valid = $input;

		$valid['version'] = $this->xili_settings_ver ; // because not in input !	

		return $valid;	

	}

	/**

	 * Adds the Settings link to the plugin activate/deactivate page

	 */

	function filter_plugin_actions($links, $file) {

	   $settings_link = '<a href="options-general.php?page=' . $this->plugin_folder .'/'. basename(__FILE__) . '">' . __('Settings') . '</a>';

	   array_unshift( $links, $settings_link ); // before other links

	   return $links;

	}

	/**

	 * Adds settings/options page

	 */

	function admin_options_page() { ?>

		<div class="wrap">

    		<?php screen_icon(); ?>

    		<h2><?php printf(__( '%s settings', 'xili_xl_bbp_addon'), $this->display_plugin_name ); ?></h2>

    		<form action="options.php" method="post" >

    		 	<?php 

				do_settings_sections( $this->settings_list );

    			settings_fields( $this->settings_name ); // hidden fields and referrer and nonce

    			?>

    			<?php submit_button( __('Save Changes'), 'secondary' ); // 'primary' = by default ?>

    		</form>

    		<h4><a href="http://dev.xiligroup.com/<?php echo $this->plugin_name; ?>" title="Plugin page and docs" target="_blank" style="text-decoration:none" ><img style="vertical-align:middle" src="<?php echo plugins_url( 'images/'.$this->plugin_name.'-logo-32.jpg', __FILE__ ) ;  ?>" alt="<?php echo $this->display_plugin_name; ?> logo"/>&nbsp;<?php echo $this->display_plugin_name; ?> </a> - © <a href="http://dev.xiligroup.com" target="_blank" title="<?php _e('Author'); ?>" >xiligroup.com</a>™ - msc 2012 - v. <?php echo XILIXLBBPADDON_VER; ?></h4>

    	</div>

		<?php

	}

} //End Class

// bbPress admin Language (user locale)

function xili_xl_bbp_lang_init ( ) { 

	if ( is_admin() )

		add_filter( 'bbpress_locale', 'xili_bbp_admin_side_locale', 10 );

}

function xili_bbp_admin_side_locale ( $locale = 'en_US') {

	$locale = get_user_option( 'user_locale' ); 

		if ( empty( $locale ) ) {

			$locale = ( defined( 'WPLANG' ) ) ? WPLANG : 'en_US';

			if ( is_multisite() ) {

				if ( defined( 'WP_INSTALLING' ) || ( false === $ms_locale = get_option( 'WPLANG' ) ) )

					$ms_locale = get_site_option( 'WPLANG' );

			if ( $ms_locale !== false )

					$locale = $ms_locale;

			}

		}

		return $locale;

}

add_action( 'plugins_loaded', 'xili_xl_bbp_lang_init', 9 ); // 9 = to be registered before bbPress instantiate

// INIT and ERROR

function xili_xl_bbp_addon_init () {  

	if ( function_exists ('bbpress') ) 

		$bbp = bbpress() ;

	if ( class_exists ('xili_language') && version_compare( XILILANGUAGE_VER, '2.8.0', '>')  && class_exists ('bbpress') && version_compare( $bbp->version, '2.1.2', '>=')  ) {

		global $xili_xl_bbp_addon;

		$xili_xl_bbp_addon['main'] = new xili_xl_bbp_addon();

	} else {

		add_action( 'admin_notices', 'xili_xl_bbp_addon_need_xl' );

		return;

	}

	/* - not used yet

	if ( is_admin() ) {

		$plugin_path = dirname(__FILE__) ; //error_log( $plugin_path );

		require ( $plugin_path . '/includes/class-admin.php' );

	    $xili_xl_extended['admin'] = new xili_xl_template_admin();

	}

	*/

}

add_action( 'plugins_loaded', 'xili_xl_bbp_addon_init', 17); // after xili-tidy-tags

function xili_xl_bbp_addon_need_xl() {

		global $wp_version;

		load_plugin_textdomain( 'xili_language_errors', false, 'xili-language/languages' );

		echo '<div id="message" class="error fade"><p>';

		echo '<strong>'.__( 'Installation of both xili-language AND bbPress is not completed.', 'xili_language_errors' ) . '</strong>';

		echo '<br />';

		echo '</p></div>';

} 

?>