class_commentpress_mu.php

<?php /*
===============================================================
Class CommentPressMultiSite Version 1.0
===============================================================
AUTHOR			: Christian Wach <needle@haystack.co.uk>
LAST MODIFIED	: 19/03/2012
---------------------------------------------------------------
NOTES
=====

This class encapsulates all Multisite compatibility

---------------------------------------------------------------
*/






/*
===============================================================
Class Name
===============================================================
*/

class CommentPressMultiSite {






	/*
	===============================================================
	Properties
	===============================================================
	*/
	
	// parent object reference
	var $parent_obj;
	
	// admin object reference
	var $db;
	
	// context array
	var $context;
	
	// buddypress flag
	var $buddypress;
	
	
	



	/** 
	 * @description: initialises this object
	 * @param object $parent_obj a reference to the parent object
	 * @return object
	 * @todo: 
	 *
	 */
	function __construct( $parent_obj = null ) {
	
		// store reference to "parent" (calling obj, not OOP parent)
		$this->parent_obj = $parent_obj;
	
		// store reference to database wrapper (child of calling obj)
		$this->db = $this->parent_obj->db;
	
		// init
		$this->_init();

		// --<
		return $this;

	}
	
	
	



	/**
	 * PHP 4 constructor
	 */
	function CommentPressMultiSite( $parent_obj = null ) {
		
		// is this php5?
		if ( version_compare( PHP_VERSION, "5.0.0", "<" ) ) {
		
			// call php5 constructor
			$this->__construct( $parent_obj );
			
		}
		
		// --<
		return $this;

	}






	/** 
	 * @description: set up all items associated with this object
	 * @todo: 
	 *
	 */
	function initialise() {
	
	}
	
	
	



	/** 
	 * @description: if needed, destroys all items associated with this object
	 * @todo: 
	 *
	 */
	function destroy() {
	
	}
	
	
	



//#################################################################
	
	
	



	/*
	===============================================================
	PUBLIC METHODS
	===============================================================
	*/
	
	
	



	/** 
	 * @description: add an admin page for this plugin
	 * @todo: 
	 *
	 */
	function add_admin_menu() {
		
		// we must be network admin
		if ( !is_super_admin() ) { return false; }
		
		
	
		// try and update options
		$saved = $this->db->options_update();
		


		// always add the admin page to the Settings menu
		$page = add_submenu_page( 
		
			'settings.php', 
			__( 'Commentpress Network', 'cp-multisite' ), 
			__( 'Commentpress Network', 'cp-multisite' ), 
			'manage_options', 
			'cpmu_admin_page', 
			array( &$this, 'admin_page' )
			
		);
		
		// add styles only on our admin page, see:
		// http://codex.wordpress.org/Function_Reference/wp_enqueue_script#Load_scripts_only_on_plugin_pages
		add_action( 'admin_print_styles-'.$page, array( &$this, 'add_admin_styles' ) );
	
	}
	
	
	



	/**
	 * @description: enqueue any styles and scripts needed by our admin page
	 * @todo: 
	 *
	 */
	function add_admin_styles() {
		
		/*
		// EXAMPLES:
		
		// add css
		wp_enqueue_style('cpmu-admin-style', CPMU_PLUGIN_URL . 'css/admin.css');
		
		// add javascripts
		wp_enqueue_script( 'cpmu-admin-js', CPMU_PLUGIN_URL . 'js/admin.js' );
		*/
		
	}
	
	
	



	/**
	 * @description: show our admin page
	 * @todo: 
	 *
	 */
	function admin_page() {
	
		// only allow network admins through
		if( is_super_admin() == false ) {
			
			// disallow
			wp_die( __( 'You do not have permission to access this page.', 'cp-multisite' ) );
			
		}
		
	
	
		// sanitise admin page url
		$url = $_SERVER['REQUEST_URI'];
		$url_array = explode( '&', $url );
		if ( is_array( $url_array ) ) { $url = $url_array[0]; }
		
		
		
		
		
		// show a message for now
		$msg = '<p>Holding page. No options are set here as yet.</p>';		
		
	
	
		// define admin page - needs translation cap
		$admin_page = '
<div class="icon32" id="icon-options-general"><br/></div>

<h2>Commentpress for Multisite</h2>

<form method="post" action="'.htmlentities($url.'&updated=true').'">

'.wp_nonce_field( 'cpmu_admin_action', 'cpmu_nonce', true, false ).'
'.wp_referer_field( false ).'



<p style="padding-top: 30px;">Checking environment...</p>

'.$msg.'



<p class="submit">
	<input type="submit" name="cpmu_submit" value="Save Changes" class="button-primary" />
</p>

</form>'."\n\n\n\n";

		// done
		echo $admin_page;
	
	}
	
	
	



	/**
	 * @description: enqueue any styles and scripts needed by our public pages
	 * @todo: 
	 *
	 */
	function add_frontend_styles() {
		
		/*
		// EXAMPLES:
		
		// add javascripts
		wp_enqueue_script( 
			
			'cpmu-admin-js', 
			CPMU_PLUGIN_URL . 'js/admin.js' 
			
		);
		*/
		
		// add css for signup form
		wp_enqueue_style( 
		
			'cpmu-signup-style', 
			CPMU_PLUGIN_URL . 'css/signup.css' 
			
		);
		
	}
	
	
	



	/** 
	 * @description: hook into the group blog signup form
	 * @todo: 
	 *
	 */
	function signup_blogform( $errors ) {
	
		// only apply to wordpress signup form (not the BuddyPress one)
		// TODO: make sure this method never fires when BP is active
		if ( !isset( $GLOBALS['bp'] ) ) {
		
			// define title
			$title = __( 'CommentPress:', 'cp-multisite' );
			
			// define text
			$text = __( 'Do you want to make the new site a Commentpress document?', 'cp-multisite' );
			
			// define enable label
			$enable_label = __( 'Enable CommentPress', 'cp-multisite' );
			
			
			
			// off by default
			$has_workflow = false;
		
			// init output
			$workflow_html = '';
		
			// allow overrides
			$has_workflow = apply_filters( 'cp_blog_workflow_exists', $has_workflow );
			
			// if we have workflow enabled, by a plugin, say...
			if ( $has_workflow !== false ) {
			
				// define workflow label
				$workflow_label = __( 'Enable Custom Workflow', 'cp-multisite' );
				
				// allow overrides
				$workflow_label = apply_filters( 'cp_blog_workflow_label', $workflow_label );
				
				// show it
				$workflow_html = '
				
				<div class="checkbox">
					<label for="cp_blog_workflow"><input type="checkbox" value="1" id="cp_blog_workflow" name="cp_blog_workflow" /> '.$workflow_label.'</label>
				</div>
	
				';
			
			}
			
			
			
			// assume no types
			$types = array();
			
			// init output
			$type_html = '';
		
			// but allow overrides for plugins to supply some
			$types = apply_filters( 'cp_blog_type_options', $types );
			
			// if we got any, use them
			if ( !empty( $types ) ) {
			
				// define blog type label
				$type_label = __( 'Document Type', 'cp-multisite' );
				
				// allow overrides
				$type_label = apply_filters( 'cp_blog_type_label', $type_label );
				
				// construct options
				$type_option_list = array();
				$n = 0;
				foreach( $types AS $type ) {
					$type_option_list[] = '<option value="'.$n.'">'.$type.'</option>';
					$n++;
				}
				$type_options = implode( "\n", $type_option_list );
				
				// show it
				$type_html = '
				
				<div class="dropdown">
					<label for="cp_blog_type">'.$type_label.'</label> <select id="cp_blog_type" name="cp_blog_type">
					
					'.$type_options.'
					
					</select>
				</div>
	
				';
			
			}
			
			
			
			// construct form
			$form = '
	
			<br />
			<div id="cp-multisite-options">
	
				<h3>'.$title.'</h3>
	
				<p>'.$text.'</p>
	
				<div class="checkbox">
					<label for="cpmu-new-blog"><input type="checkbox" value="1" id="cpmu-new-blog" name="cpmu-new-blog" /> '.$enable_label.'</label>
				</div>
	
				'.$workflow_html.'
	
				'.$type_html.'
	
			</div>
	
			';
			
			echo $form;
			
		}
	
	}
	
	
	
	
	
	
	/** 
	 * @description: hook into wpmu_new_blog and target plugins to be activated
	 * @todo: 
	 *
	 */
	function wpmu_new_blog( $blog_id, $user_id, $domain, $path, $site_id, $meta ) {
	
		// test for presence of our checkbox variable in _POST
		if ( isset( $_POST['cpmu-new-blog'] ) AND $_POST['cpmu-new-blog'] == '1' ) {
			
			// hand off to private method
			$this->_create_blog( $blog_id, $user_id, $domain, $path, $site_id, $meta );

		}
		
	}
	

	
	
	
	
//#################################################################
	
	
	



	/*
	===============================================================
	PRIVATE METHODS
	===============================================================
	*/
	
	
	



	/** 
	 * @description: object initialisation
	 * @todo:
	 *
	 */
	function _init() {
	
		// register hooks
		$this->_register_hooks();
		
	}
	
	
	



	/** 
	 * @description: register Wordpress hooks
	 * @todo: 
	 *
	 */
	function _register_hooks() {
		
		// add form elements to signup form
		add_action( 'signup_blogform', array( &$this, 'signup_blogform' ) );
		
		// activate blog-specific CommentPress plugin
		add_action('wpmu_new_blog', array( &$this, 'wpmu_new_blog' ), 12, 6); // includes/ms-functions.php
	
		// is this the back end?
		if ( is_admin() ) {
	
			// add menu to Network submenu
			add_action( 'network_admin_menu', array( &$this, 'add_admin_menu' ), 30 );
		
		} else {
		
			// register any public styles
			add_action('wp_enqueue_scripts', array( &$this, 'add_frontend_styles' ), 20);
			
		}
		
	}
	
	
	



	/** 
	 * @description: create a blog
	 * @todo:
	 *
	 */
	function _create_blog( $blog_id, $user_id, $domain, $path, $site_id, $meta ) {
	
		// wpmu_new_blog calls this *after* restore_current_blog, so we need to do it again
		switch_to_blog( $blog_id );
		
		
		
		// ----------------------
		// Activate CommentPress
		// ----------------------

		// get Commentpress plugin
		$path_to_plugin = cpmu_find_plugin_by_name( 'Commentpress' );
		
		// if we got Commentpress...
		if ( false !== $path_to_plugin ) 	{

			// activate it in its buffered sandbox
			cpmu_activate_plugin( $path_to_plugin, true );
			
			// do post install
			$this->_do_blog_post_install();
			
		}
		
		
		
		// get CP Ajaxified
		$path_to_plugin = cpmu_find_plugin_by_name( 'Commentpress Ajaxified' );
		
		// if we got it...
		if ( false !== $path_to_plugin ) {

			// activate it in its buffered sandbox
			cpmu_activate_plugin( $path_to_plugin, true );
			
		}
		
		
		
		// switch back
		restore_current_blog();
		
	}
	
	
	



	/** 
	 * @description: Commentpress initialisation
	 * @todo:
	 *
	 */
	function _do_blog_post_install() {
	
		global $commentpress_obj, $wpdb;
	
		// post-activation configuration
		if ( is_null( $commentpress_obj ) ) {
			
			// create it
			$commentpress_obj = new CommentPress;
			
		}
		


		/*
		------------------------------------------------------------------------
		Configure Commentpress based on admin page settings
		------------------------------------------------------------------------
		*/
		
		// TODO: create admin page settings
		
		// TOC = posts
		//$commentpress_obj->db->option_set( 'cp_show_posts_or_pages_in_toc', 'post' );
	
		// TOC show extended posts
		//$commentpress_obj->db->option_set( 'cp_show_extended_toc', 1 );
	
		

		/*
		------------------------------------------------------------------------
		Further Commentpress plugins may define Blog Workflows and Type and
		enable them to be set in the blog signup form. 
		------------------------------------------------------------------------
		*/
		
		// check for (translation) workflow (checkbox)
		$cp_blog_workflow = 0;
		if ( isset( $_POST['cp_blog_workflow'] ) ) {
			// ensure boolean
			$cp_blog_workflow = ( $_POST['cp_blog_workflow'] == '1' ) ? 1 : 0;
		}

		// set workflow
		$commentpress_obj->db->option_set( 'cp_blog_workflow', $cp_blog_workflow );
	
	
	
		// check for blog type (dropdown)
		$cp_blog_type = 0;
		if ( isset( $_POST['cp_blog_type'] ) ) {
			$cp_blog_type = intval( $_POST['cp_blog_type'] );
		}

		// set blog type
		$commentpress_obj->db->option_set( 'cp_blog_type', $cp_blog_type );
		


		// save
		$commentpress_obj->db->options_save();
	


		/*
		------------------------------------------------------------------------
		WordPress Internal Configuration
		------------------------------------------------------------------------
		*/
		
		/*
		// allow anonymous commenting (may be overridden)
		$anon_comments = 0;
	
		// allow plugin overrides
		$anon_comments = apply_filters( 'cp_require_comment_registration', $anon_comments );
	
		// update wp option
		update_option( 'comment_registration', $anon_comments );

		// add Lorem Ipsum to "Sample Page" if the Network setting is empty?
		$first_page = get_site_option( 'first_page' );
		
		// is it empty?
		if ( $first_page == '' ) {
			
			// get it & update content, or perhaps delete?
			
		}
		*/
		
		// reset all widgets
		update_option( 'sidebars_widgets', null );
		
	}
	
	
	



//#################################################################
	
	
	



} // class ends
	
	
	



?>