tumbleboard.php

<?php
/*
 * Plugin Name: Tumbleboard
 * Plugin URI: http://theme.fm/?p=
 * Description: Tumbleboard extends bbPress with a custom twentyten theme
 * Version: 1.0
 * Author: kovshenin
 * Author URI: http://theme.fm
 * License: GPL2
 */

/*
 * The main plugin class, holds everything our plugin does,
 * initialized right after declaration
 */



class Tumbleboard_Plugin {

    /*
     * For easier overriding we declared the keys
     * here as well as our tabs array which is populated
     * when registering settings
     */
    private $general_settings_key = 'my_general_settings';
    private $advanced_settings_key = 'my_advanced_settings';
    private $plugin_options_key = 'my_plugin_options';
    private $plugin_settings_tabs = array();

    /*
     * Fired during plugins_loaded (very very early),
     * so don't miss-use this, only actions and filters,
     * current ones speak for themselves.
     */
    function __construct() {
        add_action( 'init', array( &$this, 'load_settings' ) );
        add_action( 'admin_init', array( &$this, 'register_general_settings' ) );
        add_action( 'admin_init', array( &$this, 'register_advanced_settings' ) );
        add_action( 'admin_menu', array( &$this, 'add_admin_menus' ) );
    }

    /*
     * Loads both the general and advanced settings from
     * the database into their respective arrays. Uses
     * array_merge to merge with default values if they're
     * missing.
     */
    function load_settings() {
        $this->general_settings = (array) get_option( $this->general_settings_key );
        $this->advanced_settings = (array) get_option( $this->advanced_settings_key );

        // Merge with defaults
        $this->general_settings = array_merge( array(
            'general_option' => 'General value'
        ), $this->general_settings );

        $this->advanced_settings = array_merge( array(
            'advanced_option' => 'Advanced value'
        ), $this->advanced_settings );
    }

    /*
     * Registers the general settings via the Settings API,
     * appends the setting to the tabs array of the object.
     */
    function register_general_settings() {
        $this->plugin_settings_tabs[$this->general_settings_key] = 'General';

        register_setting( $this->general_settings_key, $this->general_settings_key );
        add_settings_section( 'section_general', 'General Plugin Settings', array( &$this, 'section_general_desc' ), $this->general_settings_key );
        add_settings_field( 'general_option', 'A General Option', array( &$this, 'field_general_option' ), $this->general_settings_key, 'section_general' );
    }

    /*
     * Registers the advanced settings and appends the
     * key to the plugin settings tabs array.
     */
    function register_advanced_settings() {
        $this->plugin_settings_tabs[$this->advanced_settings_key] = 'Advanced';

        register_setting( $this->advanced_settings_key, $this->advanced_settings_key );
        add_settings_section( 'section_advanced', 'Advanced Plugin Settings', array( &$this, 'section_advanced_desc' ), $this->advanced_settings_key );
        add_settings_field( 'advanced_option', 'An Advanced Option', array( &$this, 'field_advanced_option' ), $this->advanced_settings_key, 'section_advanced' );
    }

    /*
     * The following methods provide descriptions
     * for their respective sections, used as callbacks
     * with add_settings_section
     */
    function section_general_desc() { echo 'General section description goes here.'; }
    function section_advanced_desc() { echo 'Advanced section description goes here.'; }

    /*
     * General Option field callback, renders a
     * text input, note the name and value.
     */
    function field_general_option() {
        ?>
        <input type="text" name="<?php echo $this->general_settings_key; ?>[general_option]" value="<?php echo esc_attr( $this->general_settings['general_option'] ); ?>" />
        <?php
    }

    /*
     * Advanced Option field callback, same as above.
     */
    function field_advanced_option() {
        ?>
        <input type="text" name="<?php echo $this->advanced_settings_key; ?>[advanced_option]" value="<?php echo esc_attr( $this->advanced_settings['advanced_option'] ); ?>" />
        <?php
    }

    /*
     * Called during admin_menu, adds an options
     * page under Settings called My Settings, rendered
     * using the plugin_options_page method.
     */
    function add_admin_menus() {
        add_options_page( 'Tumbleboard Settings', 'Tumbleboard', 'manage_options', $this->plugin_options_key, array( &$this, 'plugin_options_page' ) );
    }

    /*
     * Plugin Options page rendering goes here, checks
     * for active tab and replaces key with the related
     * settings key. Uses the plugin_options_tabs method
     * to render the tabs.
     */
    function plugin_options_page() {
        $tab = isset( $_GET['tab'] ) ? $_GET['tab'] : $this->general_settings_key;
        ?>
        <div class="wrap">
            <?php $this->plugin_options_tabs(); ?>
            <form method="post" action="options.php">
                <?php wp_nonce_field( 'update-options' ); ?>
                <?php settings_fields( $tab ); ?>
                <?php do_settings_sections( $tab ); ?>
                <?php submit_button(); ?>
            </form>
        </div>
        <?php
    }

    /*
     * Renders our tabs in the plugin options page,
     * walks through the object's tabs array and prints
     * them one by one. Provides the heading for the
     * plugin_options_page method.
     */
    function plugin_options_tabs() {
        $current_tab = isset( $_GET['tab'] ) ? $_GET['tab'] : $this->general_settings_key;

        screen_icon();
        echo '<h2 class="nav-tab-wrapper">';
        foreach ( $this->plugin_settings_tabs as $tab_key => $tab_caption ) {
            $active = $current_tab == $tab_key ? 'nav-tab-active' : '';
            echo '<a class="nav-tab ' . $active . '" href="?page=' . $this->plugin_options_key . '&tab=' . $tab_key . '">' . $tab_caption . '</a>';
        }
        echo '</h2>';
    }
};

// Initialize the plugin
add_action( 'plugins_loaded', create_function( '', '$Tumbleboard_Plugin = new Tumbleboard_Plugin;' ) );






    register_theme_directory( trailingslashit( dirname(__FILE__) ) );

?>