Initial commit, using ETH Speaking Apperances as a template.

Taken at http://git.ethitter.com/wp-plugins/speaking-appearances/commit/7ba1e6ce8d37d69214da8f11270228b61bf2d2c1.

eth-timeline.php

+<?php
+/*
+Plugin Name: ETH Timeline
+Plugin URI: http://www.ethitter.com/plugins/
+Description: List travel destinations
+Author: Erick Hitter
+Version: 0.1
+Author URI: http://www.ethitter.com/
+
+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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+class ETH_Timeline {
+	/**
+	 * Singleton
+	 */
+	private static $instance = null;
+
+	/**
+	 * Class variables
+	 */
+	private $post_type = 'eth_timeline';
+	// private $taxonomy = 'eth_timeline_event';
+
+	/**
+	 * Silence is golden!
+	 */
+	private function __construct() {}
+
+	/**
+	 * Instantiate singleton
+	 */
+	public static function get_instance() {
+		if ( ! is_a( self::$instance, __CLASS__ ) ) {
+			self::$instance = new self;
+
+			self::$instance->setup();
+		}
+
+		return self::$instance;
+	}
+
+	/**
+	 *
+	 */
+	private function setup() {
+		add_action( 'init', array( $this, 'action_init' ) );
+		add_action( 'save_post', array( $this, 'action_save_post' ) );
+	}
+
+	/**
+	 *
+	 */
+	public function action_init() {
+		register_post_type( $this->post_type, array(
+			'label'               => __( 'Timeline', 'eth-speaking' ),
+			'labels'              => array(
+				'name'               => __( 'Timeline', 'eth-speaking' ),
+				'singular_name'      => __( 'Timeline', 'eth-speaking' ),
+				'menu_name'          => __( 'Timeline', 'eth-speaking' ),
+				'all_items'          => __( 'All Entries', 'eth-speaking' ),
+				'add_new'            => __( 'Add New', 'eth-speaking' ),
+				'add_new_item'       => __( 'Add New', 'eth-speaking' ),
+				'edit_item'          => __( 'Edit Entry', 'eth-speaking' ),
+				'new_item'           => __( 'New Entry', 'eth-speaking' ),
+				'view_item'          => __( 'View Entry', 'eth-speaking' ),
+				'items_archive'      => __( 'Entries List', 'eth-speaking' ),
+				'search_items'       => __( 'Search Timeline Entries', 'eth-speaking' ),
+				'not_found'          => __( 'No entries found', 'eth-speaking' ),
+				'not_found_in_trash' => __( 'No trashed entries', 'eth-speaking' ),
+				'parent_item_colon'  => __( 'Entries:', 'eth-speaking' ),
+			),
+			'public'              => true,
+			'has_archive'         => true,
+			'exclude_from_search' => true,
+			'show_in_nav_menus'   => false,
+			'show_in_admin_bar'   => true,
+			'rewrite'             => array(
+				'slug'       => 'timeline',
+				'with_front' => false
+			),
+			'supports'            => array(
+				'title',
+				'editor',
+				'author',
+			)
+		) );
+
+		// register_taxonomy( $this->taxonomy, $this->post_type, array(
+		//	'label'              => __( 'Events', 'eth-speaking' ),
+		//	'labels'             => array(
+		//		'name'              => __( 'Events', 'eth-speaking' ),
+		//		'singular_name'     => __( 'Event', 'eth-speaking' ),
+		//		'search_items'      => __( 'Search Events', 'eth-speaking' ),
+		//		'all_items'         => __( 'All Events', 'eth-speaking' ),
+		//		'parent_item'       => __( 'Parent Event', 'eth-speaking' ),
+		//		'parent_item_colon' => __( 'Parent Event:', 'eth-speaking' ),
+		//		'edit_item'         => __( 'Edit Event', 'eth-speaking' ),
+		//		'update_item'       => __( 'Update Event', 'eth-speaking' ),
+		//		'add_new_item'      => __( 'Add New Event', 'eth-speaking' ),
+		//		'new_item_name'     => __( 'New Event Name', 'eth-speaking' ),
+		//		'menu_name'         => __( 'Events', 'eth-speaking' ),
+		//	),
+		//	'public'             => true,
+		//	'hierarchical'       => true,
+		//	'show_in_nav_menus'  => false,
+		//	'show_tagcloud'      => false,
+		//	'rewrite'            => array(
+		//		'slug'              => $this->taxonomy,
+		//		'with_front'        => false,
+		//		'hierarchical'      => true
+		//	)
+		// ) );
+	}
+
+	/**
+	 *
+	 */
+	public function action_save_post( $post_id ) {
+		if ( $this->post_type != get_post_type( $post_id ) )
+			return;
+
+		// Location
+		if ( isset( $_POST[ $this->get_nonce_name( 'location' ) ] ) && wp_verify_nonce( $_POST[ $this->get_nonce_name( 'location' ) ], $this->meta_key_location ) ) {
+			$location = sanitize_text_field( $_POST[ $this->get_field_name( 'location' ) ] );
+
+			if ( $location )
+				update_post_meta( $post_id, $this->meta_key_location, $location );
+			else
+				delete_post_meta( $post_id, $this->meta_key_location );
+		}
+	}
+
+	/**
+	 * Return formatted field name
+	 *
+	 * @param string $field
+	 * @return string
+	 */
+	private function get_field_name( $field ) {
+		return $this->post_type . '_' . $field;
+	}
+
+	/**
+	 * Return formatted nonce name
+	 *
+	 * @param string $field
+	 * @uses this::get_field_name
+	 * @return string
+	 */
+	private function get_nonce_name( $field ) {
+		return $this->get_field_name( $field ) . '_nonce';
+	}
+}
+
+ETH_Timeline::get_instance();
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