Beiträge von p_e_z

<?php/*
Plugin Name: Hide Title
Plugin URI: http://dojodigital.com
Description: Allows authors to hide the title tag on single pages and posts via the edit post screen.
Version: 1.0.4
Author: Brandon Kraft & Randall Runnels
Author URI: http://dojodigital.com
*/




if ( !class_exists( 'DojoDigitalHideTitle' ) ) {




    class DojoDigitalHideTitle {




        private $slug = 'dojodigital_toggle_title';
        private $selector = '.entry-title';
        private $title;
        private $afterHead = false;




        /**
        * PHP 5 Constructor
        */
        function __construct(){




            add_action( 'add_meta_boxes', array( $this, 'add_box' ) );
            add_action( 'save_post', array( $this, 'on_save' ) );
            add_action( 'delete_post', array( $this, 'on_delete' ) );
            add_action( 'wp_head', array( $this, 'head_insert' ), 3000 );
            add_action( 'the_title', array( $this, 'wrap_title' ) );
            add_action( 'wp_enqueue_scripts', array( $this, 'load_scripts' ) );




        } // __construct()








        private function is_hidden(  ){




            if( is_singular() ){




                global $post;




                $toggle = get_post_meta( $post->ID, $this->slug, true );




                if( (bool) $toggle ){
                    return true;
                } else {
                    return false;
                }




            } else {
                return false;
            }




        } // is_hidden()








        public function head_insert(){




            if( $this->is_hidden() ){ ?>
<!-- Dojo Digital Hide Title -->
<script type="text/javascript">
    jQuery(document).ready(function($){




        if( $('<?php echo $this->selector; ?>').length != 0 ) {
            $('<?php echo $this->selector; ?> span.<?php echo $this->slug; ?>').parents('<?php echo $this->selector; ?>:first').hide();
        } else {
            $('h1 span.<?php echo $this->slug; ?>').parents('h1:first').hide();
            $('h2 span.<?php echo $this->slug; ?>').parents('h2:first').hide();
        }




    });
</script>
<noscript><style type="text/css"> <?php echo $this->selector; ?> { display:none !important; }</style></noscript>
<!-- END Dojo Digital Hide Title -->




            <?php }




            // Indicate that the header has run so we can hopefully prevent adding span tags to the meta attributes, etc.
            $this->afterHead = true;




        } // head_insert()








        public function add_box(){




            $posttypes = array( 'post', 'page' );




            foreach ( $posttypes as $posttype ){
                add_meta_box( $this->slug, 'Hide Title', array( $this, 'build_box' ), $posttype, 'side' );
            }




        } // add_box()








        public function build_box( $post ){




            $value = get_post_meta( $post->ID, $this->slug, true );




            $checked = '';




            if( (bool) $value ){ $checked = ' checked="checked"'; }




            wp_nonce_field( $this->slug . '_dononce', $this->slug . '_noncename' );




            ?>
            <label><input type="checkbox" name="<?php echo $this->slug; ?>" <?php echo $checked; ?> /> Hide the title on singular page views.</label>
            <?php




        } // build_box()








        public function wrap_title( $content ){




            if( $this->is_hidden() && $content == $this->title && $this->afterHead ){
                $content = '<span class="' . $this->slug . '">' . $content . '</span>';
            }




            return $content;




        } // wrap_title()








        public function load_scripts(){








            // Grab the title early in case it's overridden later by extra loops.
            global $post;
            $this->title = $post->post_title;




            if( $this->is_hidden() ){
                wp_enqueue_script( 'jquery' );




            }




        } // load_scripts()








        public function on_save( $postID ){




            if ( ( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE )
                || !isset( $_POST[ $this->slug . '_noncename' ] )
                || !wp_verify_nonce( $_POST[ $this->slug . '_noncename' ], $this->slug . '_dononce' ) ) {
                return $postID;
            }




            $old = get_post_meta( $postID, $this->slug, true );
            $new = $_POST[ $this->slug ] ;




            if( $old ){
                if ( is_null( $new ) ){
                    delete_post_meta( $postID, $this->slug );
                } else {
                    update_post_meta( $postID, $this->slug, $new, $old );
                }
            } elseif ( !is_null( $new ) ){
                add_post_meta( $postID, $this->slug, $new, true );
            }




            return $postID;




        } // on_save()








        public function on_delete( $postID ){
            delete_post_meta( $postID, $this->slug );
            return $postID;
        } // on_delete()








        public function set_selector( $selector ){




            if( isset( $selector ) && is_string( $selector ) ){
                $this->selector = $selector;
            }




        } // set_selector()








    } // DojoDigitalHideTitle




    $DojoDigitalHideTitle = new DojoDigitalHideTitle;




} // !class_exists( 'DojoDigitalHideTitle' )