google-maps-widget / google-maps-widget.php

google-maps-widget.php in Maps Widget for Google Maps 1.93, at google-maps-widget.php

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1	<?php
2	/*
3	Plugin Name: Google Maps Widget
4	Plugin URI: http://www.googlemapswidget.com/
5	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.
6	Author: Web factory Ltd
7	Version: 1.93
8	Author URI: http://www.webfactoryltd.com/
9	Text Domain: google-maps-widget
10	Domain Path: lang
11
12	Copyright 2012 - 2014 Web factory Ltd (email : gmw@webfactoryltd.com)
13
14	This program is free software; you can redistribute it and/or modify
15	it under the terms of the GNU General Public License, version 2, as
16	published by the Free Software Foundation.
17
18	This program is distributed in the hope that it will be useful,
19	but WITHOUT ANY WARRANTY; without even the implied warranty of
20	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21	GNU General Public License for more details.
22
23	You should have received a copy of the GNU General Public License
24	along with this program; if not, write to the Free Software
25	Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
26	*/
27
28
29	if (!defined('ABSPATH')) {
30	die();
31	}
32
33
34	define('GMW_VER', '1.93');
35	define('GMW_OPTIONS', 'gmw_options');
36	define('GMW_CRON', 'gmw_cron');
37
38
39	require_once 'gmw-widget.php';
40	require_once 'gmw-tracking.php';
41
42
43	class GMW {
44	// hook everything up
45	static function init() {
46	GMW_tracking::init();
47
48	if (is_admin()) {
49	// check if minimal required WP version is used
50	self::check_wp_version(3.3);
51
52	self::upgrade();
53
54	// aditional links in plugin description
55	add_filter('plugin_action_links_' . basename(dirname(__FILE__)) . '/' . basename(__FILE__),
56	array(__CLASS__, 'plugin_action_links'));
57	add_filter('plugin_row_meta', array(__CLASS__, 'plugin_meta_links'), 10, 2);
58
59	// enqueue admin scripts
60	add_action('admin_enqueue_scripts', array(__CLASS__, 'admin_enqueue_scripts'));
61	add_action('customize_controls_enqueue_scripts', array(__CLASS__, 'admin_enqueue_scripts'));
62	} else {
63	// enqueue frontend scripts
64	add_action('wp_enqueue_scripts', array(__CLASS__, 'enqueue_scripts'));
65	add_action('wp_footer', array(__CLASS__, 'dialogs_markup'));
66	}
67	} // init
68
69
70	// some things have to be loaded earlier
71	static function plugins_loaded() {
72	load_plugin_textdomain('google-maps-widget', false, basename(dirname(__FILE__)) . '/lang');
73	add_filter('cron_schedules', array('GMW_tracking', 'register_cron_intervals'));
74	} // plugins_loaded
75
76
77	// initialize widgets
78	static function widgets_init() {
79	register_widget('GoogleMapsWidget');
80	} // widgets_init
81
82
83	// add widgets link to plugins page
84	static function plugin_action_links($links) {
85	$settings_link = '<a href="' . admin_url('widgets.php') . '" title="' . __('Configure Google Maps Widget', 'google-maps-widget') . '">' . __('Widgets', 'google-maps-widget') . '</a>';
86	array_unshift($links, $settings_link);
87
88	return $links;
89	} // plugin_action_links
90
91
92	// add links to plugin's description in plugins table
93	static function plugin_meta_links($links, $file) {
94	$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>';
95	$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>';
96	$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>';
97	$donate_link = '<a target="_blank" href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=gordan%40webfactoryltd%2ecom&lc=US&item_name=Google%20Maps%20Widget&no_note=0&currency_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHostedGuest" title="' . __('If you feel we deserve it, buy us coffee', 'google-maps-widget') . '">' . __('Donate', 'google-maps-widget') . '</a>';
98
99	if ($file == plugin_basename(__FILE__)) {
100	$links[] = $documentation_link;
101	$links[] = $support_link;
102	$links[] = $review_link;
103	$links[] = $donate_link;
104	}
105
106	return $links;
107	} // plugin_meta_links
108
109
110	// check if user has the minimal WP version required by the plugin
111	static function check_wp_version($min_version) {
112	if (!version_compare(get_bloginfo('version'), $min_version, '>=')) {
113	add_action('admin_notices', array(__CLASS__, 'min_version_error'));
114	}
115	} // check_wp_version
116
117
118	// display error message if WP version is too low
119	static function min_version_error() {
120	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>';
121	} // min_version_error
122
123
124	// print dialogs markup in footer
125	static function dialogs_markup() {
126	$out = '';
127	$widgets = GoogleMapsWidget::$widgets;
128
129	if (!$widgets) {
130	wp_dequeue_script('gmw');
131	wp_dequeue_script('gmw-fancybox');
132	return;
133	}
134
135	foreach ($widgets as $widget) {
136	if ($widget['bubble']) {
137	$iwloc = 'addr';
138	} else {
139	$iwloc = 'near';
140	}
141	if ($widget['ll']) {
142	$ll = '&ll=' . $widget['ll'];
143	} else {
144	$ll = '';
145	}
146
147	$lang = substr(@$_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
148	if (!$lang) {
149	$lang = 'en';
150	}
151
152	$map_url = '//maps.google.com/maps?hl=' . $lang . '&ie=utf8&output=embed&iwloc=' . $iwloc . '&iwd=1&mrt=loc&t=' . $widget['type'] . '&q=' . urlencode(remove_accents($widget['address'])) . '&z=' . urlencode($widget['zoom']) . $ll;
153
154	$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']) . '">';
155	if ($widget['header']) {
156	$out .= '<div class="gmw-header">' . wpautop(do_shortcode($widget['header'])) . '</div>';
157	}
158	$out .= '<div class="gmw-map"></div>';
159	if ($widget['footer']) {
160	$out .= '<div class="gmw-footer">' . wpautop(do_shortcode($widget['footer'])) . '</div>';
161	}
162	$out .= "</div>\n";
163	} // foreach $widgets
164
165	echo $out;
166	} // run_scroller
167
168
169	// enqueue frontend scripts if necessary
170	static function enqueue_scripts() {
171	if (is_active_widget(false, false, 'googlemapswidget', true)) {
172	wp_enqueue_style('gmw', plugins_url('/css/gmw.css', __FILE__), array(), GMW_VER);
173	wp_enqueue_script('gmw-colorbox', plugins_url('/js/jquery.colorbox-min.js', __FILE__), array('jquery'), GMW_VER, true);
174	wp_enqueue_script('gmw', plugins_url('/js/gmw.js', __FILE__), array('jquery'), GMW_VER, true);
175	}
176	} // enqueue_scripts
177
178
179	// enqueue CSS and JS scripts on widgets page
180	static function admin_enqueue_scripts() {
181	global $wp_customize;
182
183	if (self::is_plugin_admin_page() \|\| isset($wp_customize)) {
184	wp_enqueue_script('jquery-ui-tabs');
185	wp_enqueue_script('gmw-cookie', plugins_url('js/jquery.cookie.js', __FILE__), array('jquery'), GMW_VER, true);
186	wp_enqueue_script('gmw-admin', plugins_url('js/gmw-admin.js', __FILE__), array('jquery'), GMW_VER, true);
187	wp_enqueue_style('gmw-admin', plugins_url('css/gmw-admin.css', __FILE__), array(), GMW_VER);
188	} // if
189	} // admin_enqueue_scripts
190
191
192	// check if plugin's admin page is shown
193	static function is_plugin_admin_page() {
194	$current_screen = get_current_screen();
195
196	if ($current_screen->id == 'widgets') {
197	return true;
198	} else {
199	return false;
200	}
201	} // is_plugin_admin_page
202
203
204	// helper function for creating dropdowns
205	static function create_select_options($options, $selected = null, $output = true) {
206	$out = "\n";
207
208	foreach ($options as $tmp) {
209	if ($selected == $tmp['val']) {
210	$out .= "<option selected=\"selected\" value=\"{$tmp['val']}\">{$tmp['label']} </option>\n";
211	} else {
212	$out .= "<option value=\"{$tmp['val']}\">{$tmp['label']} </option>\n";
213	}
214	} // foreach
215
216	if ($output) {
217	echo $out;
218	} else {
219	return $out;
220	}
221	} // create_select_options
222
223
224	// fetch coordinates based on the address
225	static function get_coordinates($address, $force_refresh = false) {
226	$address_hash = md5('gmw' . $address);
227
228	if ($force_refresh \|\| ($coordinates = get_transient($address_hash)) === false) {
229	$url = 'http://maps.googleapis.com/maps/api/geocode/xml?address=' . urlencode($address) . '&sensor=false';
230	$result = wp_remote_get($url);
231
232	if (!is_wp_error($result) && $result['response']['code'] == 200) {
233	$data = new SimpleXMLElement($result['body']);
234
235	if ($data->status == 'OK') {
236	$cache_value['lat'] = (string) $data->result->geometry->location->lat;
237	$cache_value['lng'] = (string) $data->result->geometry->location->lng;
238	$cache_value['address'] = (string) $data->result->formatted_address;
239
240	// cache coordinates for 3 months
241	set_transient($address_hash, $cache_value, 36002430*3);
242	$data = $cache_value;
243	} elseif (!$data->status) {
244	return false;
245	} else {
246	return false;
247	}
248	} else {
249	return false;
250	}
251	} else {
252	// data is cached, get it
253	$data = get_transient($address_hash);
254	}
255
256	return $data;
257	} // get_coordinates
258
259
260	// activate doesn't get fired on upgrades so we have to compensate
261	public static function upgrade() {
262	$options = get_option(GMW_OPTIONS);
263
264	if (!isset($options['first_version']) \|\| !isset($options['first_install'])) {
265	$options['first_version'] = GMW_VER;
266	$options['first_install'] = current_time('timestamp');
267	update_option(GMW_OPTIONS, $options);
268	}
269	} // upgrade
270
271
272	// write down a few things on plugin activation
273	// NO DATA is sent anywhere unless user explicitly agrees to it!
274	static function activate() {
275	$options = get_option(GMW_OPTIONS);
276
277	if (!isset($options['first_version']) \|\| !isset($options['first_install'])) {
278	$options['first_version'] = GMW_VER;
279	$options['first_install'] = current_time('timestamp');
280	$options['last_tracking'] = false;
281	update_option(GMW_OPTIONS, $options);
282	}
283	} // activate
284
285
286	// clean up on deactivation
287	static function deactivate() {
288	$options = get_option(GMW_OPTIONS);
289
290	if (isset($options['allow_tracking']) && $options['allow_tracking'] === false) {
291	unset($options['allow_tracking']);
292	update_option(GMW_OPTIONS, $options);
293	} elseif (isset($options['allow_tracking']) && $options['allow_tracking'] === true) {
294	GMW_tracking::clear_cron();
295	}
296	} // activate
297	} // class GMW
298
299
300	// hook everything up
301	register_activation_hook(__FILE__, array('GMW', 'activate'));
302	register_deactivation_hook(__FILE__, array('GMW', 'deactivate'));
303	add_action('init', array('GMW', 'init'));
304	add_action('plugins_loaded', array('GMW', 'plugins_loaded'));
305	add_action('widgets_init', array('GMW', 'widgets_init'));