# google-maps-widget/1.93/google-maps-widget.php

Maps Widget for Google Maps, version 1.93. 305 lines.

- Page: https://pluginprobe.com/plugins/google-maps-widget/1.93/code/google-maps-widget.php
- Raw: https://pluginprobe.com/plugins/google-maps-widget/1.93/raw/google-maps-widget.php
- Modified: 2014-12-03T18:52:26+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/google-maps-widget/1.93/code/google-maps-widget.php#L10-L20`.

```php
<?php
/*
Plugin Name: Google Maps Widget
Plugin URI: http://www.googlemapswidget.com/
Description: Display a single-image super-fast loading Google map in a widget. A larger, full featured map is available on click in a lightbox.
Author: Web factory Ltd
Version: 1.93
Author URI: http://www.webfactoryltd.com/
Text Domain: google-maps-widget
Domain Path: lang

  Copyright 2012 - 2014  Web factory Ltd  (email : gmw@webfactoryltd.com)

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License, version 2, as
  published by the Free Software Foundation.

  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
*/


if (!defined('ABSPATH')) {
  die();
}


define('GMW_VER', '1.93');
define('GMW_OPTIONS', 'gmw_options');
define('GMW_CRON', 'gmw_cron');


require_once 'gmw-widget.php';
require_once 'gmw-tracking.php';


class GMW {
  // hook everything up
  static function init() {
    GMW_tracking::init();

    if (is_admin()) {
      // check if minimal required WP version is used
      self::check_wp_version(3.3);

      self::upgrade();

      // aditional links in plugin description
      add_filter('plugin_action_links_' . basename(dirname(__FILE__)) . '/' . basename(__FILE__),
                 array(__CLASS__, 'plugin_action_links'));
      add_filter('plugin_row_meta', array(__CLASS__, 'plugin_meta_links'), 10, 2);

      // enqueue admin scripts
      add_action('admin_enqueue_scripts', array(__CLASS__, 'admin_enqueue_scripts'));
      add_action('customize_controls_enqueue_scripts', array(__CLASS__, 'admin_enqueue_scripts'));
    } else {
      // enqueue frontend scripts
      add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_scripts'));
      add_action('wp_footer', array(__CLASS__, 'dialogs_markup'));
    }
  } // init


  // some things have to be loaded earlier
  static function plugins_loaded() {
    load_plugin_textdomain('google-maps-widget', false, basename(dirname(__FILE__)) . '/lang');
    add_filter('cron_schedules', array('GMW_tracking', 'register_cron_intervals'));
  } // plugins_loaded


  // initialize widgets
  static function widgets_init() {
    register_widget('GoogleMapsWidget');
  } // widgets_init


  // add widgets link to plugins page
  static function plugin_action_links($links) {
    $settings_link = '<a href="' . admin_url('widgets.php') . '" title="' . __('Configure Google Maps Widget', 'google-maps-widget') . '">' . __('Widgets', 'google-maps-widget') . '</a>';
    array_unshift($links, $settings_link);

    return $links;
  } // plugin_action_links


  // add links to plugin's description in plugins table
  static function plugin_meta_links($links, $file) {
    $documentation_link = '<a target="_blank" href="http://www.googlemapswidget.com/documentation/" title="' . __('View Google Maps Widget documentation', 'google-maps-widget') . '">'. __('Documentation', 'google-maps-widget') . '</a>';
    $support_link = '<a target="_blank" href="http://wordpress.org/support/plugin/google-maps-widget" title="' . __('Problems? We are here to help!', 'google-maps-widget') . '">' . __('Support', 'google-maps-widget') . '</a>';
    $review_link = '<a target="_blank" href="http://wordpress.org/support/view/plugin-reviews/google-maps-widget" title="' . __('If you like it, please review the plugin', 'google-maps-widget') . '">' . __('Review the plugin', 'google-maps-widget') . '</a>';
    $donate_link = '<a target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=gordan%40webfactoryltd%2ecom&lc=US&item_name=Google%20Maps%20Widget&no_note=0&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHostedGuest" title="' . __('If you feel we deserve it, buy us coffee', 'google-maps-widget') . '">' . __('Donate', 'google-maps-widget') . '</a>';

    if ($file == plugin_basename(__FILE__)) {
      $links[] = $documentation_link;
      $links[] = $support_link;
      $links[] = $review_link;
      $links[] = $donate_link;
    }

    return $links;
  } // plugin_meta_links


  // check if user has the minimal WP version required by the plugin
  static function check_wp_version($min_version) {
    if (!version_compare(get_bloginfo('version'), $min_version,  '>=')) {
        add_action('admin_notices', array(__CLASS__, 'min_version_error'));
    }
  } // check_wp_version


  // display error message if WP version is too low
  static function min_version_error() {
    echo '<div class="error"><p>' . sprintf('Google Maps Widget <b>requires WordPress version 3.3</b> or higher to function properly. You are using WordPress version %s. Please <a href="%s">update it</a>.', get_bloginfo('version'), admin_url('update-core.php')) . '</p></div>';
  } // min_version_error


  // print dialogs markup in footer
  static function dialogs_markup() {
       $out = '';
       $widgets = GoogleMapsWidget::$widgets;

       if (!$widgets) {
         wp_dequeue_script('gmw');
         wp_dequeue_script('gmw-fancybox');
         return;
       }

       foreach ($widgets as $widget) {
         if ($widget['bubble']) {
           $iwloc = 'addr';
         } else {
           $iwloc = 'near';
         }
         if ($widget['ll']) {
           $ll = '&amp;ll=' . $widget['ll'];
         } else {
           $ll = '';
         }

         $lang = substr(@$_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
         if (!$lang) {
           $lang = 'en';
         }

         $map_url = '//maps.google.com/maps?hl=' . $lang . '&amp;ie=utf8&amp;output=embed&amp;iwloc=' . $iwloc . '&amp;iwd=1&amp;mrt=loc&amp;t=' . $widget['type'] . '&amp;q=' . urlencode(remove_accents($widget['address'])) . '&amp;z=' . urlencode($widget['zoom']) . $ll;

         $out .= '<div class="gmw-dialog" style="display: none;" data-map-height="' . $widget['height'] . '" data-map-width="' . $widget['width'] . '" data-map-skin="' . $widget['skin'] . '" data-map-iframe-url="' . $map_url . '" id="gmw-dialog-' . $widget['id'] . '" title="' . esc_attr($widget['title']) . '">';
         if ($widget['header']) {
          $out .= '<div class="gmw-header">' . wpautop(do_shortcode($widget['header'])) . '</div>';
         }
         $out .= '<div class="gmw-map"></div>';
         if ($widget['footer']) {
          $out .= '<div class="gmw-footer">' . wpautop(do_shortcode($widget['footer'])) . '</div>';
         }
         $out .= "</div>\n";
       } // foreach $widgets

       echo $out;
   } // run_scroller


  // enqueue frontend scripts if necessary
  static function enqueue_scripts() {
    if (is_active_widget(false, false, 'googlemapswidget', true)) {
      wp_enqueue_style('gmw', plugins_url('/css/gmw.css', __FILE__), array(), GMW_VER);
      wp_enqueue_script('gmw-colorbox', plugins_url('/js/jquery.colorbox-min.js', __FILE__), array('jquery'), GMW_VER, true);
      wp_enqueue_script('gmw', plugins_url('/js/gmw.js', __FILE__), array('jquery'), GMW_VER, true);
    }
  } // enqueue_scripts


  // enqueue CSS and JS scripts on widgets page
  static function admin_enqueue_scripts() {
    global $wp_customize;

    if (self::is_plugin_admin_page() || isset($wp_customize)) {
      wp_enqueue_script('jquery-ui-tabs');
      wp_enqueue_script('gmw-cookie', plugins_url('js/jquery.cookie.js', __FILE__), array('jquery'), GMW_VER, true);
      wp_enqueue_script('gmw-admin', plugins_url('js/gmw-admin.js', __FILE__), array('jquery'), GMW_VER, true);
      wp_enqueue_style('gmw-admin', plugins_url('css/gmw-admin.css', __FILE__), array(), GMW_VER);
    } // if
  } // admin_enqueue_scripts


  // check if plugin's admin page is shown
  static function is_plugin_admin_page() {
    $current_screen = get_current_screen();

    if ($current_screen->id == 'widgets') {
      return true;
    } else {
      return false;
    }
  } // is_plugin_admin_page


  // helper function for creating dropdowns
  static function create_select_options($options, $selected = null, $output = true) {
    $out = "\n";

    foreach ($options as $tmp) {
      if ($selected == $tmp['val']) {
        $out .= "<option selected=\"selected\" value=\"{$tmp['val']}\">{$tmp['label']}&nbsp;</option>\n";
      } else {
        $out .= "<option value=\"{$tmp['val']}\">{$tmp['label']}&nbsp;</option>\n";
      }
    } // foreach

    if ($output) {
      echo $out;
    } else {
      return $out;
    }
  } // create_select_options

  
  // fetch coordinates based on the address
  static function get_coordinates($address, $force_refresh = false) {
    $address_hash = md5('gmw' . $address);

    if ($force_refresh || ($coordinates = get_transient($address_hash)) === false) {
      $url = 'http://maps.googleapis.com/maps/api/geocode/xml?address=' . urlencode($address) . '&sensor=false';
      $result = wp_remote_get($url);

      if (!is_wp_error($result) && $result['response']['code'] == 200) {
        $data = new SimpleXMLElement($result['body']);
        
        if ($data->status == 'OK') {
          $cache_value['lat']     = (string) $data->result->geometry->location->lat;
          $cache_value['lng']     = (string) $data->result->geometry->location->lng;
          $cache_value['address'] = (string) $data->result->formatted_address;

          // cache coordinates for 3 months
          set_transient($address_hash, $cache_value, 3600*24*30*3);
          $data = $cache_value;
        } elseif (!$data->status) {
          return false;
        } else {
          return false;
        }
      } else {
         return false;
      }
    } else {
       // data is cached, get it
       $data = get_transient($address_hash);
    }

    return $data;
  } // get_coordinates


  // activate doesn't get fired on upgrades so we have to compensate
  public static function upgrade() {
    $options = get_option(GMW_OPTIONS);

    if (!isset($options['first_version']) || !isset($options['first_install'])) {
      $options['first_version'] = GMW_VER;
      $options['first_install'] = current_time('timestamp');
      update_option(GMW_OPTIONS, $options);
    }
  } // upgrade


  // write down a few things on plugin activation
  // NO DATA is sent anywhere unless user explicitly agrees to it!
  static function activate() {
    $options = get_option(GMW_OPTIONS);

    if (!isset($options['first_version']) || !isset($options['first_install'])) {
      $options['first_version'] = GMW_VER;
      $options['first_install'] = current_time('timestamp');
      $options['last_tracking'] = false;
      update_option(GMW_OPTIONS, $options);
    }
  } // activate


  // clean up on deactivation
  static function deactivate() {
    $options = get_option(GMW_OPTIONS);

    if (isset($options['allow_tracking']) && $options['allow_tracking'] === false) {
      unset($options['allow_tracking']);
      update_option(GMW_OPTIONS, $options);
    } elseif (isset($options['allow_tracking']) && $options['allow_tracking'] === true) {
      GMW_tracking::clear_cron();
    }
  } // activate
} // class GMW


// hook everything up
register_activation_hook(__FILE__, array('GMW', 'activate'));
register_deactivation_hook(__FILE__, array('GMW', 'deactivate'));
add_action('init', array('GMW', 'init'));
add_action('plugins_loaded', array('GMW', 'plugins_loaded'));
add_action('widgets_init', array('GMW', 'widgets_init'));
```