Ich habe mir ein kleines Plugin erstellt um eigene e-books vorzustellen und anzuzeigen.
soweit funktioniert auch alles.
Bis auf folgende Punkte:
1. Im Adminbereich werden die E-Books nicht nach Aktuellen Datum sortiert.
2. Die E-Books erscheinen nicht im Monats Archiv
PHP
<?php
/*
Plugin Name: MyBooks
Description: Flash Magazine als neuen Post Typ anzeigen
Author: Matthias
Version: 0.0.2
Author URI: http://www.wandernimsaaletal.de
*/
/* Copyright 2013 Matthias Reichert (email : matthias-reichert@mr-73.de)
This program 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
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
add_action( 'init', 'create_post_type' );
function create_post_type() {
$labels = array(
'name' => 'E-Books Einträge',
'singular_name' => 'E-Books',
'menu_name' => 'E-Books',
'parent_item_colon' => '',
'all_items' => 'Alle Einträge',
'view_item' => 'Eintrag ansehen',
'add_new_item' => 'Neuer Eintrag',
'add_new' => 'Hinzufügen',
'edit_item' => 'Eintrag bearbeiten',
'update_item' => 'Update Eintrag',
'search_items' => 'E-Books suchen',
'not_found' => 'Kein E-Book gefunden',
'not_found_in_trash' => '',
);
$rewrite = array(
'slug' => 'book',
'with_front' => true,
'pages' => true,
'feeds' => true,
);
$args = array(
'labels' => $labels,
'public' => true, // Öffentlich zugänglich
'publicly_queryable' => true,
'show_ui' => true, // Im Administrationsbereich anzeigen
'show_in_menu' => true, // Im Menü anzeigen
'query_var' => true, // Für eigene Querys zugänglich machen
'rewrite' => true,
'capability_type' => 'post',
'has_archive' => true,
'hierarchical' => true,
'menu_position' => null,
'supports' => array('title','editor','thumbnail','excerpt','comments','customfields'),
'taxonomies' => array( 'category', 'post_tag' ), // add default post categories and tags
'public' => true,
'rewrite' => array('slug' => 'custom')
);
register_post_type( 'book', $args );
register_taxonomy_for_object_type( 'category', 'book' );
}
// hook into the init action and call create_book_taxonomies when it fires
add_action( 'init', 'create_book_taxonomies', 0 );
// create two taxonomies, genres and writers for the post type "book"
function create_book_taxonomies() {
// Add new taxonomy, make it hierarchical (like categories)
$labels = array(
'name' => _x( 'Regionen', 'taxonomy general name' ),
'singular_name' => _x( 'Region', 'taxonomy singular name' ),
'search_items' => __( 'Search Region' ),
'all_items' => __( 'All Regionen' ),
'parent_item' => __( 'Parent Region' ),
'parent_item_colon' => __( 'Parent Region:' ),
'edit_item' => __( 'Edit Region' ),
'update_item' => __( 'Update Region' ),
'add_new_item' => __( 'Add New Region' ),
'new_item_name' => __( 'New Region Name' ),
'menu_name' => __( 'Region' ),
);
$args = array(
'hierarchical' => true,
'labels' => $labels,
'show_ui' => true,
'show_admin_column' => true,
'query_var' => true,
'rewrite' => array( 'slug' => 'region' ),
);
register_taxonomy( 'region', array( 'book' ), $args );
}
/*
# Artikel Suchen und anzeigen
*/
add_filter( 'pre_get_posts', 'my_get_posts' );
function my_get_posts( $query ) {
if ( is_home() && $query->is_main_query() )
$query->set( 'post_type', array( 'post', 'page', 'book', 'region' ) );
return $query;
}
function add_custom_types_to_tax( $query ) {
if( is_category() || is_tag() && empty( $query->query_vars['suppress_filters'] ) ) {
// Get all your post types
$post_types = array( 'post', 'book' );
$query->set( 'post_type', $post_types );
return $query;
}
}
add_filter( 'pre_get_posts', 'add_custom_types_to_tax' );
/*
* Add Flash Magazine Metaboxes to book post-type
*
* http://codex.wordpress.org/Function_Reference/add_meta_box
* http://blogs.sitepoint.com/guide-to-wordpress-custom-write-panels/
*/
/**
* Adds a box to the main column on the Book edit screens.
*/
function book_add_custom_box() {
$screens = array( 'book' );
foreach ( $screens as $screen ) {
add_meta_box(
'book_sectionid',
__( 'Flash Magazine Daten:', 'book_textdomain' ),
'book_inner_custom_box',
$screen
);
}
}
add_action( 'add_meta_boxes', 'book_add_custom_box' );
/**
* Prints the box content.
*
* @param WP_Post $post The object for the current post/page.
*/
function book_inner_custom_box( $post ) {
// Add an nonce field so we can check for it later.
wp_nonce_field( 'book_inner_custom_box', 'book_inner_custom_box_nonce' );
/*
* Use get_post_meta() to retrieve an existing value
* from the database and use the value for the form.
*/
$value1 = get_post_meta( $post->ID, '_my_meta_value_key', true );
echo '<label><b>Flash Magazin Link:</b><label>';
echo '<br><input type="text" id="flashmagazin" name="flashmagazin" value="' . esc_attr( $value1 ) . '" size="75" /><br>';
$value2 = get_post_meta( $post->ID, 'pdfurl', true );
echo '<br><label><b>PDF Dokument Link:</b><label><br>';
echo '<input type="text" id="pdfurl" name="pdfurl" value="' . esc_attr( $value2 ) . '" size="75" /><br><br>';
echo '<label><b>I-Frame Link:</b><label><br>';
$value3 = get_post_meta( $post->ID, 'artikelurl', true );
echo '<input type="text" id="artikelurl" name="artikelurl" value="' . esc_attr( $value3 ) . '" size="75" /><br><br>';
}
/**
* When the post is saved, saves our custom data.
*
* @param int $post_id The ID of the post being saved.
*/
function book_save_postdata( $post_id ) {
/*
* We need to verify this came from the our screen and with proper authorization,
* because save_post can be triggered at other times.
*/
// Check if our nonce is set.
if ( ! isset( $_POST['book_inner_custom_box_nonce'] ) )
return $post_id;
$nonce = $_POST['book_inner_custom_box_nonce'];
// Verify that the nonce is valid.
if ( ! wp_verify_nonce( $nonce, 'book_inner_custom_box' ) )
return $post_id;
// If this is an autosave, our form has not been submitted, so we don't want to do anything.
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
return $post_id;
// Check the user's permissions.
if ( 'book' == $_POST['post_type'] ) {
if ( ! current_user_can( 'edit_page', $post_id ) )
return $post_id;
} else {
if ( ! current_user_can( 'edit_post', $post_id ) )
return $post_id;
}
/* OK, its safe for us to save the data now. */
// Sanitize user input.
$mydata1 = sanitize_text_field( $_POST['flashmagazin'] );
$mydata2 = sanitize_text_field( $_POST['pdfurl'] );
$mydata3 = sanitize_text_field( $_POST['artikelurl'] );
$mydata4 = sanitize_text_field( $_POST['_store'] );
// Update the meta field in the database.
update_post_meta( $post_id, '_my_meta_value_key', $mydata1 );
// Update the meta field in the database.
update_post_meta( $post_id, 'pdfurl', $mydata2 );
// Update the meta field in the database.
update_post_meta( $post_id, 'artikelurl', $mydata3 );
}
add_action( 'save_post', 'book_save_postdata' );
?>