leaflet-map / shortcodes / class.map-shortcode.php

class.map-shortcode.php in Leaflet Map 2.11.5, at shortcodes/class.map-shortcode.php

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1	<?php
2	/**
3	* Map Shortcode
4	*
5	* Displays map with [leaflet-map ...atts]
6	*
7	* JavaScript equivalent : L.map("id");
8	*
9	* PHP Version 5.5
10	*
11	* @category Shortcode
12	* @author Benjamin J DeLong <ben@bozdoz.com>
13	*/
14
15	// Exit if accessed directly
16	if (!defined('ABSPATH')) {
17	exit;
18	}
19
20	require_once LEAFLET_MAP__PLUGIN_DIR . 'shortcodes/class.shortcode.php';
21
22	/**
23	* Leaflet_Map_Shortcode Class
24	*/
25	class Leaflet_Map_Shortcode extends Leaflet_Shortcode
26	{
27	/**
28	* Unique ID for a map
29	*
30	* @var int $map_id
31	*/
32	protected $map_id = 0;
33
34	/**
35	* Instantiate class
36	*/
37	public function __construct()
38	{
39	parent::__construct();
40	$this->enqueue();
41	$this->incrementMap();
42	}
43
44	/**
45	* Increment the map count
46	*/
47	protected function incrementMap()
48	{
49	$this->LM->map_count++;
50	$this->map_id = $this->LM->map_count;
51	}
52
53	/**
54	* Merge shortcode options with default options
55	*
56	* @param array\|string $atts key value pairs from shortcode
57	*
58	* @return array new atts, which is actually an array
59	*/
60	protected function getAtts($atts='')
61	{
62	$atts = (array) $atts;
63	extract($atts);
64
65	$settings = Leaflet_Map_Plugin_Settings::init();
66
67	$atts['zoom'] = array_key_exists('zoom', $atts) ?
68	$zoom : $settings->get('default_zoom');
69	$atts['height'] = empty($height) ?
70	$settings->get('default_height') : $height;
71	$atts['width'] = empty($width) ? $settings->get('default_width') : $width;
72	$atts['zoomcontrol'] = array_key_exists('zoomcontrol', $atts) ?
73	$zoomcontrol : $settings->get('show_zoom_controls');
74	$atts['min_zoom'] = array_key_exists('min_zoom', $atts) ?
75	$min_zoom : $settings->get('default_min_zoom');
76	$atts['max_zoom'] = empty($max_zoom) ?
77	$settings->get('default_max_zoom') : $max_zoom;
78	$atts['scrollwheel'] = array_key_exists('scrollwheel', $atts) ?
79	$scrollwheel : $settings->get('scroll_wheel_zoom');
80	$atts['doubleclickzoom'] = array_key_exists('doubleclickzoom', $atts) ?
81	$doubleclickzoom : $settings->get('double_click_zoom');
82	$atts['fit_markers'] = array_key_exists('fit_markers', $atts) ?
83	$fit_markers : $settings->get('fit_markers');
84
85	/* allow percent, but add px for ints */
86	$atts['height'] .= is_numeric($atts['height']) ? 'px' : '';
87	$atts['width'] .= is_numeric($atts['width']) ? 'px' : '';
88
89	// maxbounds as string: maxbounds="50, -114; 52, -112"
90	$maxBounds = isset($maxbounds) ? $maxbounds : null;
91
92	if ($maxBounds) {
93	try {
94	// explode by semi-colons and commas
95	$maxBounds = preg_split("[;\|,]", $maxBounds);
96	print_r($maxBounds);
97	$maxBounds = array(
98	array(
99	$maxBounds[0], $maxBounds[1]
100	),
101	array(
102	$maxBounds[2], $maxBounds[3]
103	)
104	);
105	print_r($maxBounds);
106	} catch (Exception $e) {
107	$maxBounds = null;
108	}
109	}
110
111	/*
112	need to allow 0 or empty for removal of attribution
113	*/
114	if (!array_key_exists('attribution', $atts)) {
115	$atts['attribution'] = $settings->get('default_attribution');
116	}
117
118	/* allow a bunch of other options */
119	// http://leafletjs.com/reference-1.0.3.html#map-closepopuponclick
120	$more_options = array(
121	'closePopupOnClick' => isset($closepopuponclick) ?
122	$closepopuponclick : null,
123	'trackResize' => isset($trackresize) ? $trackresize : null,
124	'boxZoom' => isset($boxzoom) ? $boxzoom : null,
125	'dragging' => isset($dragging) ? $dragging : null,
126	'keyboard' => isset($keyboard) ? $keyboard : null,
127	);
128
129	// filter out nulls
130	$more_options = $this->LM->filter_null($more_options);
131
132	// change string booleans to booleans
133	$more_options = filter_var_array($more_options, FILTER_VALIDATE_BOOLEAN);
134
135	if ($maxBounds) {
136	$more_options['maxBounds'] = $maxBounds;
137	}
138
139	// wrap as JSON
140	if ($more_options) {
141	$more_options = json_encode($more_options);
142	} else {
143	$more_options = '{}';
144	}
145
146	$atts['more_options'] = $more_options;
147
148	return $atts;
149	}
150
151	/**
152	* Enqueue Scripts and Styles for Leaflet
153	*
154	* @return null
155	*/
156	protected function enqueue()
157	{
158	wp_enqueue_style('leaflet_stylesheet');
159	wp_enqueue_script('leaflet_js');
160	wp_enqueue_script('leaflet_map_init');
161
162	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
163	// mapquest doesn't accept direct tile access as of July 11, 2016
164	wp_enqueue_script('leaflet_mapquest_plugin');
165	}
166
167	// enqueue user-defined scripts
168	do_action('leaflet_map_enqueue');
169	}
170
171	/**
172	* Get script for shortcode
173	*
174	* @param array $atts sometimes this is null
175	* @param string $content anything within a shortcode
176	*
177	* @return string HTML
178	*/
179	protected function getHTML($atts='', $content=null)
180	{
181	extract($this->getAtts($atts));
182
183	if (!empty($address)) {
184	/* try geocoding */
185	include_once LEAFLET_MAP__PLUGIN_DIR . 'class.geocoder.php';
186	$location = new Leaflet_Geocoder($address);
187	$lat = $location->lat;
188	$lng = $location->lng;
189	}
190
191	$settings = Leaflet_Map_Plugin_Settings::init();
192
193	/*
194	map uses lat/lng
195	*/
196	$lat = empty($lat) ? $settings->get('default_lat') : $lat;
197	$lng = empty($lng) ? $settings->get('default_lng') : $lng;
198
199	/*
200	mapquest doesn't need tile urls
201	*/
202	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
203	$tileurl = '';
204	$subdomains = '';
205	} else {
206	$tileurl = empty($tileurl) ? $settings->get('map_tile_url') : $tileurl;
207	$subdomains = empty($subdomains) ?
208	$settings->get('map_tile_url_subdomains') : $subdomains;
209	}
210
211	/* should be iterated for multiple maps */
212	ob_start(); ?>
213	<div
214	id="leaflet-map-<?php echo $this->map_id; ?>"
215	class="leaflet-map"
216	style="height:<?php
217	echo $height;
218	?>; width:<?php
219	echo $width;
220	?>;"></div>
221	<script>
222	window.WPLeafletMapPlugin = window.WPLeafletMapPlugin \|\| [];
223	window.WPLeafletMapPlugin.push(function () {
224	var baseUrl = '<?php echo $tileurl; ?>',
225	base = (!baseUrl && window.MQ) ?
226	MQ.mapLayer() : L.tileLayer(baseUrl, {
227	subdomains: '<?php echo $subdomains; ?>'
228	}),
229	options = L.Util.extend({}, {
230	maxZoom: <?php echo $max_zoom; ?>,
231	minZoom: <?php echo $min_zoom; ?>,
232	layers: [base],
233	zoomControl: <?php echo $zoomcontrol; ?>,
234	scrollWheelZoom: <?php echo $scrollwheel; ?>,
235	doubleClickZoom: <?php echo $doubleclickzoom; ?>,
236	attributionControl: false
237	}, <?php echo $more_options; ?>),
238	map = L.map('leaflet-map-<?php echo $this->map_id; ?>', options)
239	.setView([<?php
240	echo $lat . ',' . $lng . '],' . $zoom;
241	?>);
242	if (<?php echo $fit_markers; ?>) {
243	map.fit_markers = true;
244	}
245	<?php
246	if ($attribution) :
247	/* add any attributions, semi-colon-separated */
248	$attributions = explode(';', $attribution);
249	?>
250	var attControl = L.control.attribution({prefix:false}).addTo(map);
251	<?php
252	foreach ($attributions as $a):
253	?>
254	attControl.addAttribution('<?php echo trim($a); ?>');
255	<?php
256	endforeach;
257	endif;
258	?>
259	window.WPLeafletMapPlugin.maps.push(map);
260	}); // end add
261	</script><?php
262
263	return ob_get_clean();
264	}
265	}