genesis-title-toggle.php

<?php
/**
 * Plugin Name: Genesis Title Toggle - CentricPro
 * Plugin URI:  http://www.billerickson.net/
 * Description: Turn on/off page titles on a per page basis, and set sitewide defaults from Theme Settings. Must be using the Genesis Centric Pro theme.
 * Author:      Bill Erickson/Neil Gee
 * Author URI:  http://www.billerickson.net/http://wpbeaches.com
 * Version:     1.7.0
 * Text Domain: genesis-title-toggle
 * Domain Path: languages
 *
 * Genesis Title Toggle is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * any later version.
 *
 * Genesis Title Toggle is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Genesis Title Toggle. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    BE_NG_Title_Toggle
 * @author     Bill Erickson
 * @since      1.0.0
 * @license    GPL-2.0+
 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) exit;

/**
 * Main BE_NG_Title_Toggle class
 *
 * @since 1.0.0
 * @package BE_NG_Title_Toggle
 */
class BE_NG_Title_Toggle {

	/**
	 * Primary constructor.
	 *
	 * @since 1.0.0
	 */
	function __construct() {

		// Run on plugin activation
		register_activation_hook( __FILE__, array( $this, 'activation_hook' ) );

		// Bootstrap and go
		add_action( 'init', array( $this, 'init' ) );	
	}

	/**
	 * Initialize the plugin.
	 *
	 * @since 1.0.0
	 */	
	function init() {

		// Translations
		load_plugin_textdomain( 'genesis-title-toggle', false, basename( dirname( __FILE__ ) ) . '/languages' );

		// Metabox on Theme Settings, for Sitewide Default
		add_filter( 'genesis_theme_settings_defaults',  array( $this, 'settings_defaults'         ) );
		add_action( 'genesis_settings_sanitizer_init',  array( $this, 'settings_sanitization'     ) );
		add_action( 'genesis_theme_settings_metaboxes', array( $this, 'settings_register_metabox' ) );

		// Pages metaboxes
		add_action( 'add_meta_boxes', array( $this, 'metabox_register' )         );
		add_action( 'save_post',      array( $this, 'metabox_save'     ),  1, 2  );

		// Show/hide Page Title - If using post formats, have to hook in later for some themes
		if ( current_theme_supports( 'post-formats' ) ) {
			add_action( 'genesis_before_post',  array( $this, 'title_toggle' ), 20 );
			add_action( 'genesis_before_entry', array( $this, 'title_toggle' ), 20 );
		} else {
			add_action( 'genesis_before', array( $this, 'title_toggle' ) );
		}
		 // Site title as h1 
 		    add_filter( 'genesis_site_title_wrap', array( $this, 'site_title_h1' ) ); 

	}
	
	/**
	 * Activation Hook - Confirm site is using Genesis
	 *
	 * @since 1.0.0
	 */
	function activation_hook() {

		if ( 'genesis' != basename( TEMPLATEPATH ) ) {
			deactivate_plugins( plugin_basename( __FILE__ ) );
			wp_die( sprintf( __( 'Sorry, you can&rsquo;t activate unless you have installed <a href="%s">Genesis</a>', 'genesis-title-toggle' ), 'http://www.billerickson.net/get-genesis' ) );
		}
	}
	
	/**
	 * Sitewide Setting - Register Defaults
	 *
	 * @since 1.0.0
	 * @link http://www.billerickson.net/genesis-theme-options/
	 * @param array $defaults
	 * @return array modified defaults
	 */
	function settings_defaults( $defaults ) {

		$post_types = apply_filters( 'be_ng_title_toggle_post_types', array( 'page' ) );
		foreach ( $post_types as $post_type ) {
			$defaults[] = array( 'be_ng_title_toggle_' . $post_type => '' );
		}
		return $defaults;
	}
	
	/** 
	 * Sitewide Setting - Sanitization
	 *
	 * @since 1.0.0
	 * @link http://www.billerickson.net/genesis-theme-options/
	 */
	function settings_sanitization() {

		$fields = array();
		$post_types = apply_filters( 'be_ng_title_toggle_post_types', array( 'page' ) );
		foreach ( $post_types as $post_type ) {
			$fields[] = 'be_ng_title_toggle_' . $post_type;
		}
			
	    genesis_add_option_filter( 'one_zero', GENESIS_SETTINGS_FIELD, $fields );	
	}
	
	/**
	 * Sitewide Setting - Register Metabox
	 *
	 * @since 1.0.0
	 * @link http://www.billerickson.net/genesis-theme-options/
	 * @param string, Genesis theme settings page hook
	 */
	function settings_register_metabox( $_genesis_theme_settings_pagehook ) {

		add_meta_box( 'be-title-toggle', __( 'Title Toggle', 'genesis-title-toggle' ), array( $this, 'settings_render_metabox' ), $_genesis_theme_settings_pagehook, 'main', 'high' );
	}
	
	/**
	 * Sitewide Setting - Create Metabox
	 *
	 * @since 1.0.0 
	 * @link http://www.billerickson.net/genesis-theme-options/
	 */
	function settings_render_metabox() {

		$post_types = apply_filters( 'be_ng_title_toggle_post_types', array( 'page' ) );
		foreach ( $post_types as $post_type ) {
			echo '<p><input type="checkbox" name="' . GENESIS_SETTINGS_FIELD . '[be_ng_title_toggle_' . $post_type . ']" id="' . GENESIS_SETTINGS_FIELD . '[be_ng_title_toggle_' . $post_type . ']" value="1" ' . checked( 1, genesis_get_option( 'be_ng_title_toggle_' . $post_type ), false ) .' /> <label for="' . GENESIS_SETTINGS_FIELD . '[be_ng_title_toggle_' . $post_type . ']"> ' . sprintf( __( 'By default, remove titles in the <strong>%s</strong> post type.', 'genesis-title-toggle' ), $post_type ) .'</label></p>';
		}
	}

	/**
	 * Register the metabox
	 *
	 * @since 1.6.0
	 */
	function metabox_register() {

		// Make sure we're still in Genesis, plugins like WP Touch need this check
		if ( !function_exists( 'genesis_get_option' ) ){
			return $meta_boxes;
		}

		// Allow devs to control what post types this is allowed on
		$post_types = apply_filters( 'be_ng_title_toggle_post_types', array( 'page' ) );

		// Add metabox for each post type found
		foreach ( $post_types as $post_type ) {
			add_meta_box( 'be-title-toggle', 'Title Toggle', array( $this, 'metabox_render' ), $post_type, 'normal', 'high' );
		}
	}

	/**
	 * Output the metabox
	 *
	 * @since 1.6.0
	 */
	function metabox_render() {

		// Grab this post type
		$post_type = get_post_type();

		// Grab default state - True means hidden, empty means displayed
		$default = genesis_get_option( 'be_ng_title_toggle_' . $post_type );

		// Grab current value
		$hide = get_post_meta( get_the_ID(), 'be_ng_title_toggle_hide', true );
		$hide = !empty( $hide ) ? true : false;
		$show = get_post_meta( get_the_ID(), 'be_ng_title_toggle_show', true );
		$show = !empty( $show ) ? true : false;
		
		// Security nonce
		wp_nonce_field( 'be_ng_title_toggle', 'be_ng_title_toggle_nonce' );

		echo '<p style="padding-top:10px;">';

		if ( $default ) {

			// Hide by default
			printf( '<label for="be_ng_title_toggle_show">%s</label>', __( 'Show Title', 'genesis-title-toggle' ) );
			
			echo '<input type="checkbox" id="be_ng_title_toggle_show" name="be_ng_title_toggle_show" ' . checked( true , $show, false ) . ' style="margin:0 20px 0 10px;">';
			
			printf( '<span style="color:#999;">%s</span>', __( 'By default, this post type is set to remove titles. This checkbox lets you show this specific page&rsquo;s title.', 'genesis-title-toggle' ) );
	
			echo '<input type="hidden" name="be_ng_title_toggle_key" value="show">';

		} else {
		 	
		 	// Show by default
		 	printf( '<label for="be_ng_title_toggle_hide">%s</label>', __( 'Hide Title', 'genesis-title-toggle' ) );
			
			echo '<input type="checkbox" id="be_ng_title_toggle_hide" name="be_ng_title_toggle_hide" ' . checked( true , $hide, false ) . ' style="margin:0 20px 0 10px;">';
			
		 	printf( '<span style="color:#999;">%s</span>', __( 'By default, this post type is set to display titles. This checkbox lets you hide this specific page&rsquo;s title.', 'genesis-title-toggle' ) );
		
		 	echo '<input type="hidden" name="be_ng_title_toggle_key" value="hide">';
		}

		echo '</p>';
		 // Site title as h1 
        if( get_the_ID() == get_option( 'page_on_front' ) ) { 
 
            $h1_site_title = get_post_meta( get_the_ID(), 'be_ng_title_toggle_site_title_h1', true ); 
            $h1_site_title = !empty( $h1_site_title ) ? true : false; 
             
            echo '<p style="padding-top:10px;">'; 
            printf( '<label for="be_ng_title_toggle_site_title_h1">%s</label>', __( 'h1 Site Title', 'genesis-title-toggle' ) ); 
            echo '<input type="checkbox" id="be_ng_title_toggle_site_title_h1" name="be_ng_title_toggle_site_title_h1" ' . checked( true , $h1_site_title, false ) . ' style="margin:0 20px 0 10px;">'; 
            printf( '<span style="color:#999;">%s</span>', __( 'Make the site title in header an h1. This is HIGHLY recommended if you are removing the page title.', 'genesis-title-toggle' ) ); 
            echo '</p>'; 
         
        } 
	}

	/**
	 * Handle metabox saves
	 *
	 * @since 1.6.0
	 */
	function metabox_save( $post_id, $post ) {

		// Security check
		if ( ! isset( $_POST['be_ng_title_toggle_nonce'] ) || ! wp_verify_nonce( $_POST['be_ng_title_toggle_nonce'], 'be_ng_title_toggle' ) ) {
			return;
		}

		// Bail out if running an autosave, ajax, cron.
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}
		if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
			return;
		}
		if ( defined( 'DOING_CRON' ) && DOING_CRON ) {
			return;
		}

		// Bail out if the user doesn't have the correct permissions to update the slider.
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}

		// Which key do we use
		$key = 'be_ng_title_toggle_' . $_POST['be_ng_title_toggle_key'];

		// Either save or delete they post meta
		if ( isset( $_POST[ $key ] ) ) {
			update_post_meta( $post_id, $key, '1' );
		} else {
			delete_post_meta( $post_id, $key );
			} 
 	         
        // Site title option for front page 
        if( $post_id == get_option( 'page_on_front' ) ) { 
            if( isset( $_POST['be_ng_title_toggle_site_title_h1'] ) ) { 
                update_post_meta( $post_id, 'be_ng_title_toggle_site_title_h1', '1' ); 
            } else { 
                delete_post_meta( $post_id, 'be_ng_title_toggle_site_title_h1' ); 
            }
		}
	}
	
	/**
	 * Logic that determines if we should show/hide the title.
	 *
	 * @since 1.0.0
	 */
	function title_toggle() {

		// Make sure we're on the single page
		if ( !is_singular() )
			return;
		
		global $post;	
		$post_type = get_post_type( $post );
		
		// See if post type has pages turned off by default
		$default = genesis_get_option( 'be_ng_title_toggle_' . $post_type );
		
		// If titles are turned off by default, let's check for an override before removing
		if ( !empty( $default ) ) {
			$override = get_post_meta( $post->ID, 'be_ng_title_toggle_show', true );

			//Centric Pro Specific title removal actions
			// If override is empty, get rid of that title
			if ( empty( $override ) ) {
				remove_action( 'genesis_after_header', 'centric_open_post_title', 1 );
				remove_action( 'genesis_after_header', 'genesis_do_post_title', 2 );
				remove_action( 'genesis_after_header', 'centric_close_post_title', 3 );
			}

		//Centric Pro Specific title removal actions		
		// If titles are turned on by default, let's see if this specific one is turned off
		} else {
			$override = get_post_meta( $post->ID, 'be_ng_title_toggle_hide', true );
			
			// If override has a value, the title's gotta go
			if ( !empty( $override ) ) {
				remove_action( 'genesis_after_header', 'centric_open_post_title', 1 );
				remove_action( 'genesis_after_header', 'genesis_do_post_title', 2 );
				remove_action( 'genesis_after_header', 'centric_close_post_title', 3 );
			}
		}
	}
	 /**
     * Make Site Title an h1 on homepage
     *
     * @since 1.7.0
     * @link http://www.billerickson.net/genesis-h1-front-page/
     * @param string $wrap, html element wrapping the site title
     * @return string $wrap
     */
    function site_title_h1( $wrap ) {

            if( is_front_page() && ! is_home() ) {
                    $show_as_h1 = get_post_meta( get_the_ID(), 'be_ng_title_toggle_site_title_h1', true );
                    if( $show_as_h1 )
                            $wrap = 'h1';
            }
           
            return $wrap;
                   
    }
}

new be_ng_title_toggle;