Basic Google Maps Placemarksの拡張プラグイン

basic-google-maps-placemarks-extension.php

<?php
/*
  Plugin Name: Basic Google Maps Placemarks Extension
  Version: 0.1-alpha
  Description: Basic Google Maps Placemarksの拡張プラグイン
  Author: kurozumi
  Author URI: http://a-zuim.net
  Plugin URI: http://a-zuim.net
  Text Domain: basic-google-maps-placemarks-extension
  Domain Path: /languages
 */

$basic_google_maps_placemarks_extension = new BasicGoogleMapsPlacemarks_Extension;
$basic_google_maps_placemarks_extension->register();

class BasicGoogleMapsPlacemarks_Extension
{
	private $search_id;
	private $search_name;
	private $plugin_file = "basic-google-maps-placemarks/basic-google-maps-placemarks.php";
	
	public function register()
	{
		register_activation_hook( __FILE__, array( $this, 'register_activation_hook' ) );
		
		add_action('plugins_loaded', array($this, 'plugins_loaded'));
	}
	
	public function register_activation_hook()
	{
		if(!$this->is_plugin_active())
			wp_redirect( self_admin_url("plugins.php?deactivate=true") );
	}

	public function plugins_loaded()
	{
		if(!$this->is_plugin_active())
			wp_redirect( self_admin_url("plugins.php?deactivate=true") );

		$this->search_id   = BasicGoogleMapsPlacemarks::PREFIX . "map-search";
		$this->search_name = BasicGoogleMapsPlacemarks::PREFIX . "search-address";

		add_action(BasicGoogleMapsPlacemarks::PREFIX . 'shortcode-bgmp-map-after', array($this, 'shortcode_bgmp_map_after'));
		add_action('really_simple_csv_importer_post_saved', array($this, 'really_simple_csv_importer_post_saved'));
		add_action('really_simple_csv_importer_save_meta', array($this, 'really_simple_csv_importer_save_meta'), 99, 3);

		add_filter(BasicGoogleMapsPlacemarks::PREFIX . 'get-placemarks-return', array($this, 'get_placemarks_return'));
		add_filter(BasicGoogleMapsPlacemarks::PREFIX . 'map-options', array($this, 'map_options'));
		add_filter(BasicGoogleMapsPlacemarks::PREFIX . 'post-type-params', array($this, 'post_type_params'));

	}
	
	/**
	 * プラグインの有効化チェック
	 * @return boolean
	 */
	public function is_plugin_active()
	{
		include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
		
		// Basic GoogleMaps Placemarksプラグインが有効化されているかチェック
		if(!is_plugin_active($this->plugin_file)) {
			
			// プラグインを停止
			deactivate_plugins( __FILE__ );
			
			return false;
		}
				
		return true;
	}
	
	/**
	 * 吹き出しの内容を変更
	 * @param type $placemarks
	 * @return type
	 */
	public function get_placemarks_return($placemarks)
	{
		foreach ($placemarks as &$placemark)
		{
			$meta = get_post_custom($placemark['id']);
			$placemark['details'] = sprintf('〒%s', $meta[BasicGoogleMapsPlacemarks::PREFIX . 'zipcode'][0]) . "<br />" .
					$meta[BasicGoogleMapsPlacemarks::PREFIX . 'address'][0] . "<br />" .
					sprintf("TEL:%s", $meta[BasicGoogleMapsPlacemarks::PREFIX . 'tel'][0])
			;
		}
		return $placemarks;

	}

	/**
	 * 住所検索に対応させる
	 * @global type $bgmp
	 * @param type $options
	 * @return type
	 */
	public function map_options($options)
	{
		global $bgmp;
		
		$haveCoordinates = true;

		if (isset($_REQUEST[$this->search_name])) {
			if (empty($_REQUEST[$this->search_name]))
				$haveCoordinates = false;
			else {
				$coordinates = $bgmp->geocode($_REQUEST[$this->search_name]);

				if (!$coordinates)
					$haveCoordinates = false;
			}

			if ($haveCoordinates) {
				$options['latitude']  = $coordinates['latitude'];
				$options['longitude'] = $coordinates['longitude'];
			}
		}

		return $options;

	}

	/**
	 * 地図の下に住所検索フォームを設置
	 */
	public function shortcode_bgmp_map_after()
	{
		$id    = $this->search_id;
		$name  = $this->search_name;
		$value = esc_attr($_REQUEST[$name]);
		echo <<< __HTML__
				<div id="{$id}">
					<form action="./" method="POST">
						<input type="text" name="{$name}" value="{$value}" />
						<input type="submit" value="検索" />
					</form>
				</div>
__HTML__;

	}

	public function post_type_params($postTypeParams)
	{
		$postTypeParams['supports'] = array('title', 'editor', 'author', 'thumbnail', 'comments', 'revisions', 'custom-fields');
		return $postTypeParams;

	}

	/**
	 * Really Simple CSV Importerに対応
	 * 
	 * bgmp_addressカラムを追加して住所を入力すると、
	 * 自動でBasic Google Maps Placemarks用の経緯度が登録されます
	 * 
	 * @global type $bgmp
	 * @param type $post
	 * @return type
	 */
	public function really_simple_csv_importer_post_saved($post)
	{
		global $bgmp;
		
		$coordinates = false;

		if (!$post || $post->post_type != BasicGoogleMapsPlacemarks::POST_TYPE || !current_user_can('edit_posts'))
			return;

		if (( defined('DOING_AUTOSAVE') && DOING_AUTOSAVE ) || $post->post_status == 'auto-draft')
			return;
		
		// 住所に変更がないか確認
		if(get_transient('bgmp-extension-check-address'))
			return;

		// 住所を取得して経緯度を登録する
		$address = get_post_meta($post->ID, BasicGoogleMapsPlacemarks::PREFIX . 'address', true);
		
		if ($address)
			$coordinates = $bgmp->geocode($address);

		if ($coordinates) {
			update_post_meta($post->ID, BasicGoogleMapsPlacemarks::PREFIX . 'latitude', $coordinates['latitude']);
			update_post_meta($post->ID, BasicGoogleMapsPlacemarks::PREFIX . 'longitude', $coordinates['longitude']);
		} else {
			update_post_meta($post->ID, BasicGoogleMapsPlacemarks::PREFIX . 'latitude', '');
			update_post_meta($post->ID, BasicGoogleMapsPlacemarks::PREFIX . 'longitude', '');
		}

	}
	
	/**
	 * 住所に変更がないか確認
	 * 
	 * @global type $bgmp
	 * @param type $meta
	 * @param type $post
	 * @param type $is_update
	 * @return type
	 */
	public function really_simple_csv_importer_save_meta($meta, $post, $is_update)
	{
		global $bgmp;
		
		if($is_update === false)
			return $meta;
		
		if($post['post_type'] != BasicGoogleMapsPlacemarks::POST_TYPE)
			return $meta;
		
		$old_address = get_post_meta($post['ID'], BasicGoogleMapsPlacemarks::PREFIX . 'address', true);
		$new_address = $meta[BasicGoogleMapsPlacemarks::PREFIX . 'address'];
		
		if($old_address == $new_address)
			set_transient('bgmp-extension-check-address', 1, 10);
		else
			set_transient('bgmp-extension-check-address', 0, 10);
		
		return $meta;
		
	}

}