function __construct()

{

register_activation_hook( dirname(__FILE__).'/travel-routes.php', array( __CLASS__, 'activate' ) );

// Soon we'll activate the language support : load_plugin_textdomain( 'travel-routes', false, dirname( plugin_basename( __FILE__ ) ) . '/lang' );

add_action( 'admin_print_styles', array( __CLASS__, 'admin_styles' ) );

// Load the box's scripts only on the pages it's needed.

add_action( 'admin_head-post.php', array( __CLASS__, 'admin_scripts' ) );

add_action( 'admin_head-post-new.php', array( __CLASS__, 'admin_scripts' ) );

add_action( 'add_meta_boxes', array( __CLASS__, 'add_meta_boxes' ) );

add_action( 'save_post', array( __CLASS__, 'save_route' ) );

add_action( 'delete_term', array( __CLASS__, 'delete_location' ) );

add_action( 'admin_notices', array( __CLASS__, 'error_notice' ), 0 );

}

// On plugin installation, create the taxonomy metadata table.

// USING THE TAXONOMY-METADATA PLUGIN BY http://profiles.wordpress.org/mitchoyoshitaka/

public static function activate( $network_wide = false )

{

require_once( dirname(__FILE__).'/taxonomy-metadata.php' );

$taxonomy_metadata = new Taxonomy_Metadata;

$taxonomy_metadata->activate( $network_wide );

}

public static function add_meta_boxes()

{

// Is it a better way to define this ? An array('post', 'page') for the post_type attribute doesn't seem to work.

add_meta_box('post-travel-route', 'Travel Route', array( __CLASS__, 'post_route_meta_box' ), 'post', 'normal', 'high' );

add_meta_box('post-travel-route', 'Travel Route', array( __CLASS__, 'post_route_meta_box' ), 'page', 'normal', 'high' );

}

public static function admin_styles()

{

wp_enqueue_style( 'jquery-ui', plugins_url( 'css/jquery-ui-fresh.css', __FILE__ ) );

wp_enqueue_style( 'farbtastic' );

wp_enqueue_style( 'travel-routes-admin', plugins_url( 'css/admin.css', __FILE__ ) );

}

public static function admin_scripts()

{

wp_enqueue_script( 'google-places', 'http://maps.googleapis.com/maps/api/js?libraries=places&sensor=false' );

wp_enqueue_script( 'jquery-ui-datepicker' );

wp_enqueue_script( 'jquery-ui-sortable' );

wp_enqueue_script( 'farbtastic' );

wp_enqueue_script( 'travel-routes-admin', plugins_url( 'js/admin.js', __FILE__ ), array( 'jquery' ) );

}

public static function post_route_meta_box( $post )

{

$route = new TravelRoute( $post->ID ); ?>

<input type="hidden" name="post_route_meta_box_nonce" value="<?php echo wp_create_nonce(basename(__FILE__)); ?>" />

<table id="route-options">

<tr>

<td><label><input type="checkbox" name="route_show" <?php echo $route->show ? 'checked="checked"' : ''; ?> /> Show this route on the map</label></td>

<td class="colorpicker">

<div id="route-colorpicker"></div>

<label>Color <input type="text" name="route_color" id="route-color" value="<?php echo ( $color = $route->color) ? $color : '#9d261d'; ?>" size="7" /></label>

</td>

<td><label><input type="checkbox" name="route_dashed" <?php echo $route->dashed ? 'checked="checked"' : ''; ?> /> Dashed</label></td>

</tr>

</table>

<div id="route-map"></div>

<table id="route-locations">

<tfoot>

<tr>

<th><label>Place</label></th>

<th><a href="javascript:void(0)" class="sort-dates">Date</a></label></th>

<th>

<input type="button" class="button add-location" value="Add a location" />

</th>

</tr>

</tfoot>

<tbody>

<?php foreach ($route->locations as $location) { ?>

<tr class="location">

<td>

<input type="hidden" name="route_location_latitude[]" value="<?php echo $location->geocode['lat']; ?>" class="latitude" />

<input type="hidden" name="route_location_longitude[]" value="<?php echo $location->geocode['lng']; ?>" class="longitude" />

<small class="parents"><?php echo $location->parents; ?></small>

<input name="route_location_place[]" type="text" value="<?php echo $location->term->name; ?>" class="autocomplete">

</td>

<td>

<input name="route_location_date[]" type="text" value="<?php echo $location->date; ?>" class="datepicker">

</td>

<td>

<input type="button" class="button delete-location" value="Delete" />

</td>

</tr>

<?php } ?>

</tbody>

</table>

<?php

}

public static function save_route( $post_id )

{

if ( !wp_verify_nonce( $_POST['post_route_meta_box_nonce'], basename( __FILE__) ) ) return $post_id;

if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE || defined( 'DOING_AJAX' ) && DOING_AJAX || ! current_user_can( 'edit_post', $post_id ) || false !== wp_is_post_revision( $post_id ) ) return;

$places = $_POST['route_location_place'];

$dates = $_POST['route_location_date'];

$latitudes = $_POST['route_location_latitude'];

$longitudes = $_POST['route_location_longitude'];

$show = $_POST['route_show'] ? 'yes' : 'no';

$color = $_POST['route_color'];

$dashed = $_POST['route_dashed'] ? 'yes' : 'no';

if ( $places && $dates && $latitudes && $longitudes ) {

$visited = array();

$route = new TravelRoute( $post_id );

$i = 0;

foreach ( $places as $index=>$place ) {

if ( !empty( $place ) ) {

if ( !$location = TravelLocation::locate( $latitudes[$index], $longitudes[$index] ) ) {

$term_id = self::insert_terms( $latitudes[$index], $longitudes[$index] );

$location = new TravelLocation( $term_id );

}

if ($location->term_id) {

if ( in_array( $location->term_id, $visited ) ) {

$new_dates = $location->dates[$route->post_id];

} else {

$new_dates = array();

$visited[] = $location->term_id;

}

$new_dates[$i] = $dates[$index];

$location_dates = $location->dates;

$location_dates[$route->post_id] = $new_dates;

update_metadata('taxonomy', $location->term_id, 'dates', $location_dates);

$i++;

}

}

}

update_post_meta( $route->post_id, 'route_show', $show );

update_post_meta( $route->post_id, 'route_color', $color );

update_post_meta( $route->post_id, 'route_dashed', $dashed );

wp_set_post_terms( $route->post_id, $visited, TravelRoutesPlugin::$taxonomy, false );

}

}

private static function insert_terms( $lat, $lng ) {

// Get the Google Geocoding API results

$datas = file_get_contents( 'http://maps.googleapis.com/maps/api/geocode/json?latlng='.urlencode( $lat ).','.urlencode( $lng ).'&sensor=false' );

// Pause for a second to avoid Query Limit

sleep( 1 );

$datas = json_decode( $datas, true );

// Check the validity of the results

if ( $datas['status'] == 'OK' ) {

$details = $datas['results'][0];

$components = array();

// Organise the address components by types

foreach ( $details['address_components'] as $component ) {

// The component's type can either be a string, or an array. Let's use a string (see https://developers.google.com/maps/documentation/geocoding/#JSON).

if ( is_array( $type = $component['types'] ) ) $type = $type[0];

// Just keep the wanted components

if ( in_array( $type, array( 'country', 'administrative_area_level_1', 'administrative_area_level_2', 'administrative_area_level_3', 'colloquial_area', 'locality', 'natural_feature', 'point_of_interest' ) ) ) {

$components[$type] = $component;

}

}

// Save the country or the highest level component

if ( isset( $components['country'] ) ) {

$parent = self::save_location( $components['country'] );

} else {

$parent = self::save_location( end( $components ) );

}

// Save the locality (city or town)

if ( isset( $components['locality'] ) ) {

$parent = self::save_location( $components['locality'], $parent );

}

// Save the lowest level component

$location = reset($components);

if ( $components['locality']['long_name'] == $location['long_name'] ) {

$term_id = $parent;

} else {

$term_id = self::save_location( $location, $parent );

}

// Save the details and dates related to our new lowest level term

update_metadata('taxonomy', $term_id, 'details', $details, true );

update_metadata('taxonomy', $term_id, 'dates', '', true );

return $term_id;

} else {

// If the results status is not OK, display an error message

global $post;

$notice = get_option( 'travel_notice' );

$notice[$post->ID] = 'Something is wrong with the <a href="https://developers.google.com/maps/documentation/geocoding/">Google Geocoding API</a>. The response status is : <code>'.$datas['status'].'</code>. The locations haven\'t been attached to the route.';

update_option( 'travel_notice', $notice );

}

}

private static function save_location( $component, $parent = 0 ) {

if ( !$term = term_exists( $component['long_name'], TravelRoutesPlugin::$taxonomy, $parent ) ) {

$term = wp_insert_term( $component['long_name'], TravelRoutesPlugin::$taxonomy, array( 'parent' => $parent ) );

if ( $parent == 0 ) {

// This location is a country, let's keep its code.

update_metadata( 'taxonomy', intval( $term['term_id'] ), 'code', $component['short_name'], true );

}

}

return intval( $term['term_id'] );

}

public static function delete_location( $term ) {

// If the deleted term is a location, we delete the details and dates related to it

if ( $term['taxonomy'] == TravelRoutesPlugin::$taxonomy ) {

$term_id = intval( $term['term_id'] );

delete_metadata('taxonomy', $term_id, 'dates' );

delete_metadata('taxonomy', $term_id, 'details' );

}

}

public static function error_notice() {

global $post;

$notice = get_option( 'travel_notice' );

if ( empty( $notice ) ) return '';

foreach( $notice as $pid => $m ){

if ( $post->ID == $pid ){

echo '<div id="message" class="error"><p>'.$m.'</p></div>';

unset( $notice[$pid] );

update_option( 'travel_notice', $notice );

break;

}

}

}