metronet-log-view.php

<?php
/*
Plugin Name: Metronet Log Views
Plugin URI: http://wordpress.org/extend/plugins/metronet-log/
Description: Used in conjunction with Metronet Log, provides a view for your log data
Author: Metronet
Version: 0.1
Requires at least: 3.5
Author URI: http://www.metronet.no
Contributors: ronalfy, metronet
*/ 
class Metronet_Log_Views {
	public function __construct() {
		add_action( 'init', array( $this, 'init' ) );
		
		if ( !function_exists( 'is_plugin_active_for_network' ) ) {
			require_once( ABSPATH . '/wp-admin/includes/plugin.php' );
		}
				
		if ( is_multisite() && is_plugin_active_for_network( plugin_basename( __FILE__ ) ) ) {
			add_action( 'network_admin_menu', array( $this, 'add_network_menus' ) );
		} else {
			add_action( 'admin_menu', array( $this, 'add_menus' ) );
		}
		
		//For the settings link
		$plugin = plugin_basename(__FILE__); 
		add_filter("plugin_action_links_$plugin", array( $this, 'settings_link' ) );
		
		//For redirecting
		add_action( 'admin_init', array( $this, 'maybe_redirect' ) );
		
	} //end constructor
	
	/**
	* add_menus()
	*
	* Adds a menu with a callback to tools.php in the admin panel
	*
	* @uses action admin_menu
	*
	**/
	public function add_menus() {
		$metronet_log_title = apply_filters( 'metronet_log_menu_title', __( 'Metronet Log', 'metronet_log' ) ); //Filterable for devs
		$metronet_log_slug = apply_filters( 'metronet_log_menu_slug', 'metronet-log' ); //Also filterable for devs
		add_submenu_page( 'tools.php', $metronet_log_title, $metronet_log_title, 'manage_options', $metronet_log_slug, array( $this, 'output_list_table' ) );
	} //end add_menus
	
	/**
	* add_network_menus()
	*
	* Adds a network-wide menu
	*
	* @uses action network_admin_menu
	*
	**/
	public function add_network_menus() {
		$metronet_log_title = apply_filters( 'metronet_log_menu_title', __( 'Metronet Log', 'metronet_log' ) ); //Filterable for devs
		$metronet_log_slug = apply_filters( 'metronet_log_menu_slug', 'metronet-log' ); //Also filterable for devs
		add_submenu_page( 'settings.php', $metronet_log_title, $metronet_log_title, 'manage_network', $metronet_log_slug, array( $this, 'output_list_table' ) );
	} //end add_menus
	
	/**
	* init()
	*
	* Initializes languages
	*
	* @uses action init
	*
	**/
	public function init() {
		load_plugin_textdomain( 'metronet_log', false, dirname( plugin_basename( __FILE__ ) ) . '/languages/' );
	} //end init
	
	//Handles the redirect for searching and bulk actions in the list table
	public function maybe_redirect() {
		if ( !isset( $_GET[ 'page' ] ) ) return;
		if ( $_GET[ 'page' ] != 'metronet-log' || !isset( $_GET[ 'action' ] ) ) return;
		check_admin_referer( 'bulk-logs' );
		$action = $_GET[ 'action' ];
		
		//Delete log files
		if ( isset( $_GET[ 'log' ] ) ) {
			$log_ids_to_delete = (array)$_GET[ 'log' ];
        	$paged = isset( $_GET[ 'paged' ] ) ? absint( $_GET[ 'paged' ] ) : 1;
        	
        	//Delete logs here
        	$mt_log = new Metronet_Log();
        	foreach( $log_ids_to_delete as $log_id ) {
        		$mt_log->remove_log_value( $log_id );
        	}
        	
        	//Redirect cleanly
        	$redirect_url = remove_query_arg( array( '_wp_http_referer', '_wpnonce', 'log', 'action', 'action2' ), stripslashes( $_SERVER['REQUEST_URI'] ) );
        	$redirect_url = add_query_arg( array( 'page' => $_REQUEST[ 'page' ], 'log_ids' => implode( ',', $log_ids_to_delete ), 'paged' => $paged ), $redirect_url );
        	wp_redirect( $redirect_url );        	
		}
		if ( isset( $_GET[ 's' ] ) ) {
			$redirect_url = remove_query_arg( array( '_wp_http_referer', '_wpnonce', 'log', 'action', 'action2', 'paged', 'log_ids' ), stripslashes( $_SERVER['REQUEST_URI'] ) );
        	$redirect_url = add_query_arg( array( 'page' => $_REQUEST[ 'page' ], 'paged' => $paged ), $redirect_url );
        	if ( empty( $_GET[ 's' ] ) ) {
        		$redirect_url = remove_query_arg( array( 's' ), $redirect_url );
        	}
        	wp_redirect( $redirect_url );        	
		}
	} //end maybe_redirect
	
	/**
	* settings_link()
	*
	* Adds a logging link
	*
	* @uses action plugin_action_links_{$plugin_name}
	*
	* @param array $links - Array of links
	* @returns array $links - New array of links
	*
	**/
	public function settings_link( $links ) {
		$metronet_log_slug = apply_filters( 'metronet_log_menu_slug', 'metronet-log' ); //Also filterable for devs
		$settings_link = sprintf( '<a href="tools.php?page=%s.php">%s</a>', $metronet_log_slug, esc_html__( 'View Logs', 'metronet_log' ) );; 
		array_unshift($links, $settings_link); 
		return $links;
	} //end settings_link
	
	/**
	* output_list_table()
	*
	* Outputs the list table for the logs - Callback from add_submenu_page in method add_menus
	*
	**/
	public function output_list_table() {
		if( !class_exists( 'WP_List_Table' ) ) {
			require_once( ABSPATH . 'wp-admin/includes/class-wp-list-table.php' );
		}
		$metronet_log_title = apply_filters( 'metronet_log_menu_title', __( 'Metronet Log', 'metronet_log' ) ); //Filterable for devs
		echo '<div class="wrap">';
		echo sprintf( '<h2>%s</h2>', $metronet_log_title );
		include( 'class-metronet-log-list-table.php' );
		$metronet_logs_list_table = new Metronet_Logs_List_Table();
		$metronet_logs_list_table->prepare_items();
		echo '<form id="logs-filter" method="get" action="">';
		$metronet_logs_list_table->search_box( __( 'Search Types', 'metronet_log' ), 'metronet_log' );
		$metronet_logs_list_table->display();
		
		echo '<input type="hidden" name="page" value="metronet-log" />'; 
		echo '</form>';
		echo '</div><!-- .wrap -->';
	} //end output_list_table
	

} //end class Metronet_Log_Views

function metronet_log_views_instantiate() {
	$mt_log_views = new Metronet_Log_Views();
} //end metronet_log_views_instantiate
add_action( 'metronet_log_loaded', 'metronet_log_views_instantiate' );