Initial commit, raw plugin structure, assigning random order numbers and...

Initial commit, raw plugin structure, assigning random order numbers and retrieving them again works...

README

+=== Advanced Ordernumbers ===
+Contributors: opetools
+Tags: WooCommerce, Order numbers, orders
+Requires at least: 4.0
+Tested up to: 4.1.1
+Stable tag: trunk
+License: GPLv2
+
+Freely customize order numbers in WooCommerce. Lots of variables and counter settings can be used in the order number format.
+
+== Description ==
+Freely customize order numbers in WooCommerce. Lots of variables and counter settings can be used in the order number format.
\ No newline at end of file

templates/settings.php

+<div class="wrap">
+    <h2>OpenTools Advanced ordernumbers</h2>
+    <form method="post" action="options.php"> 
+        <?php @settings_fields('create_ordernumber-group'); ?>
+        <?php @do_settings_fields('create_ordernumber-group'); ?>
+
+        <table class="form-table">  
+            <tr valign="top">
+                <th scope="row"><label for="customize_ordernumber">Customize Order Numbers</label></th>
+                <td><input type="text" name="customize_ordernumber" id="customize_ordernumber" value="<?php echo get_option('customize_ordernumber'); ?>" /></td>
+            </tr>
+            <tr valign="top">
+                <th scope="row"><label for="ordernumber_format">Order Number Format</label></th>
+                <td><input type="text" name="ordernumber_format" id="ordernumber_format" value="<?php echo get_option('ordernumber_format'); ?>" /></td>
+            </tr>
+            <tr valign="top">
+                <th scope="row"><label for="ordernumber_counter_scope">Scope of the Counter</label></th>
+                <td><input type="text" name="ordernumber_counter_scope" id="ordernumber_counter_scope" value="<?php echo get_option('ordernumber_counter_scope'); ?>" /></td>
+            </tr>
+        </table>
+
+        <?php @submit_button(); ?>
+    </form>
+</div>
\ No newline at end of file

woocommerce-advanced-ordernumbers.php

+<?php
+/**
+ * Plugin Name: Advanced Ordernumbers
+ * Plugin URI: http://open-tools.net/WooCommerce/Advanced-Ordernumbers.php
+ * Description: Lets the user freely configure the order numbers in WooCommerce.
+ * Version: 0.1.0
+ * Author: Open Tools, Reinhold Kainhofer
+ * Author URI: http://open-tools.net
+ * Text Domain: woocommerce-advanced-ordernumbers
+ * Domain Path: 
+ * License: GPL2+
+ WC requires at least: 2.2
+WC tested up to: 2.3
+*/
+
+/**
+ * The structure of this plugin follows the tutorial:
+ * http://www.yaconiello.com/blog/how-to-write-wordpress-plugin/
+ */
+ 
+if ( ! defined( 'ABSPATH' ) ) { 
+	exit; // Exit if accessed directly
+}
+/**
+ * Check if WooCommerce is active
+ **/
+if ( in_array( 'woocommerce/woocommerce.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
+    // Put your plugin code here
+    // Load the language files
+	load_plugin_textdomain('your-unique-name', false, basename( dirname( __FILE__ ) ) . '/languages' );
+
+	if (!class_exists("OpenToolsOrdernumbers")) {
+		class OpenToolsOrdernumbers {
+			/**
+			 * Construct the plugin object
+			 */
+			public function __construct()
+			{
+				add_action ('woocommerce_order_number', array(&$this, 'get_ordernumber'));
+				add_action( 'admin_init', array(&$this, 'admin_init'));
+				add_action( 'admin_menu', array(&$this, 'admin_menu'));
+				// register actions
+			}
+    
+			/**
+			* Activate the plugin
+			*/
+			public static function activate()
+			{
+				// Do nothing
+			}
+    
+			/**
+			* Deactivate the plugin
+			*/     
+			public static function deactivate()
+			{
+				// Do nothing
+			}
+
+			/**
+			 * hook into WP's admin_init action hook
+			 */
+			public function admin_init()
+			{
+				// Set up the settings for this plugin
+				$this->init_settings();
+				// Possibly do additional admin_init tasks
+			}
+			
+			/**
+			* Initialize some custom settings
+			*/     
+			public function init_settings()
+			{
+				// register the settings for this plugin
+				register_setting('opentools-ordernumber-group', 'customize_ordernumber');
+				register_setting('opentools-ordernumber-group', 'ordernumber_format');
+				register_setting('opentools-ordernumber-group', 'ordernumber_counter_scope');
+			}
+			
+			/**
+			 * add a menu
+			 */     
+			public function add_menu()
+			{
+				add_options_page('Advanced Ordernumber Plugin Settings', 'OpenTools Advanced Ordernumbers', 
+					'manage_options', 'opentools-ordernumbers', array(&$this, 'plugin_settings_page'));
+			} // END public function add_menu()
+
+			/**
+			 * Menu Callback
+			 */     
+			public function plugin_settings_page()
+			{
+// 				if(!current_user_can('manage_options'))
+// 				{
+// 					wp_die(__('You do not have sufficient permissions to access this page.'));
+// 				}
+
+				// Render the settings template
+				include(sprintf("%s/templates/settings.php", dirname(__FILE__)));
+			}
+			
+			
+			
+			/** 
+			 * The hook to customize order numbers (requests the order number from the database; creates a new ordernumber if no entry exists in the database)
+			 */
+			function get_ordernumber($orderid, $order) {
+				$stored_number = get_post_meta( $orderid, 'ordernumber', 'true');
+				if (!empty($stored_number)) {
+					return $stored_number;
+				} else {
+					// create a new one (if this is a new order, otherwise we don't have/generate a number!)
+					$number = $this->create_ordernumber($orderid, $order);
+					update_post_meta( $orderid, 'ordernumber', $number );
+					return $number;
+				}
+			}
+
+			function create_ordernumber($orderid, $order) {
+				$rnd=rand(100, 1000000);
+				return "Order-$orderid-Number-$rnd";
+			}
+	
+		}
+	}
+
+	if (class_exists("OpenToolsOrdernumbers")) {
+		// Installation and uninstallation hooks
+		register_activation_hook(__FILE__, array('OpenToolsOrdernumbers', 'activate'));
+		register_deactivation_hook(__FILE__, array('OpenToolsOrdernumbers', 'deactivate'));
+
+		// instantiate the plugin class
+		$ordernumber_plugin = new OpenToolsOrdernumbers();
+		
+		// Add a link to the settings page onto the plugin page
+		if(isset($ordernumber_plugin)) {
+			// Add the settings link to the plugins page
+			function plugin_settings_link($links)
+			{ 
+				$settings_link = '<a href="options-general.php?page=wp_plugin_template">Settings</a>'; 
+				array_unshift($links, $settings_link); 
+				return $links; 
+			}
+
+			$plugin = plugin_basename(__FILE__); 
+			add_filter("plugin_action_links_$plugin", 'plugin_settings_link');
+		}	
+	}
+ 
+}