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

class.map-shortcode.php in Leaflet Map 2.17.0, 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	* Instantiate class
29	*/
30	public function __construct()
31	{
32	parent::__construct();
33	$this->enqueue();
34	}
35
36	/**
37	* Enqueue Scripts and Styles for Leaflet
38	*
39	* @return null
40	*/
41	protected function enqueue()
42	{
43	wp_enqueue_style('leaflet_stylesheet');
44	wp_enqueue_script('wp_leaflet_map');
45
46	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
47	// mapquest doesn't accept direct tile access as of July 11, 2016
48	wp_enqueue_script('leaflet_mapquest_plugin');
49	}
50
51	// enqueue user-defined scripts
52	do_action('leaflet_map_enqueue');
53	}
54
55	/**
56	* Merge shortcode options with default options
57	*
58	* @param array\|string $atts key value pairs from shortcode
59	*
60	* @return array new atts, which is actually an array
61	*/
62	protected function getAtts($atts='')
63	{
64	$atts = (array) $atts;
65	extract($atts);
66
67	$settings = Leaflet_Map_Plugin_Settings::init();
68
69	$atts['zoom'] = array_key_exists('zoom', $atts) ?
70	$zoom : $settings->get('default_zoom');
71	$atts['height'] = empty($height) ?
72	$settings->get('default_height') : $height;
73	$atts['width'] = empty($width) ? $settings->get('default_width') : $width;
74	$atts['zoomcontrol'] = array_key_exists('zoomcontrol', $atts) ?
75	$zoomcontrol : $settings->get('show_zoom_controls');
76	$atts['min_zoom'] = array_key_exists('min_zoom', $atts) ?
77	$min_zoom : $settings->get('default_min_zoom');
78	$atts['max_zoom'] = empty($max_zoom) ?
79	$settings->get('default_max_zoom') : $max_zoom;
80	$atts['scrollwheel'] = array_key_exists('scrollwheel', $atts)
81	? $scrollwheel
82	: $settings->get('scroll_wheel_zoom');
83	$atts['doubleclickzoom'] = array_key_exists('doubleclickzoom', $atts) ?
84	$doubleclickzoom : $settings->get('double_click_zoom');
85
86	// @deprecated backwards-compatible fit_markers
87	$atts['fit_markers'] = array_key_exists('fit_markers', $atts) ?
88	$fit_markers : $settings->get('fit_markers');
89
90	// fitbounds is what it should be called @since v2.12.0
91	$atts['fitbounds'] = array_key_exists('fitbounds', $atts) ?
92	$fitbounds : $atts['fit_markers'];
93
94	/* allow percent, but add px for ints */
95	$atts['height'] .= is_numeric($atts['height']) ? 'px' : '';
96	$atts['width'] .= is_numeric($atts['width']) ? 'px' : '';
97
98	// maxbounds as string: maxbounds="50, -114; 52, -112"
99	$maxBounds = isset($maxbounds) ? $maxbounds : null;
100
101	if ($maxBounds) {
102	try {
103	// explode by semi-colons and commas
104	$maxBounds = preg_split("[;\|,]", $maxBounds);
105	$maxBounds = array(
106	array(
107	$maxBounds[0], $maxBounds[1]
108	),
109	array(
110	$maxBounds[2], $maxBounds[3]
111	)
112	);
113	} catch (Exception $e) {
114	$maxBounds = null;
115	}
116	}
117
118	/*
119	need to allow 0 or empty for removal of attribution
120	*/
121	if (!array_key_exists('attribution', $atts)) {
122	$atts['attribution'] = $settings->get('default_attribution');
123	}
124
125	/* allow a bunch of other options */
126	// http://leafletjs.com/reference-1.0.3.html#map-closepopuponclick
127	$more_options = array(
128	'closePopupOnClick' => isset($closepopuponclick) ?
129	$closepopuponclick : null,
130	'trackResize' => isset($trackresize) ? $trackresize : null,
131	'boxZoom' => isset($boxzoom)
132	? $boxzoom
133	: isset($boxZoom)
134	? $boxZoom
135	: null,
136	'touchZoom' => isset($touchZoom) ? $touchZoom : null,
137	'dragging' => isset($dragging) ? $dragging : null,
138	'keyboard' => isset($keyboard) ? $keyboard : null,
139	);
140
141	// filter out nulls
142	$more_options = $this->LM->filter_null($more_options);
143
144	// change string booleans to booleans
145	$more_options = filter_var_array($more_options, FILTER_VALIDATE_BOOLEAN);
146
147	if ($maxBounds) {
148	$more_options['maxBounds'] = $maxBounds;
149	}
150
151	// wrap as JSON
152	if ($more_options) {
153	$more_options = json_encode($more_options);
154	} else {
155	$more_options = '{}';
156	}
157
158	$atts['more_options'] = $more_options;
159
160	return $atts;
161	}
162
163	/**
164	* Get script for shortcode
165	*
166	* @param array $atts sometimes this is null
167	* @param string $content anything within a shortcode
168	*
169	* @return string HTML
170	*/
171	protected function getHTML($atts='', $content=null)
172	{
173	extract($this->getAtts($atts));
174
175	if (!empty($address)) {
176	/* try geocoding */
177	include_once LEAFLET_MAP__PLUGIN_DIR . 'class.geocoder.php';
178	$location = new Leaflet_Geocoder($address);
179	$lat = $location->lat;
180	$lng = $location->lng;
181	}
182
183	$settings = Leaflet_Map_Plugin_Settings::init();
184
185	/*
186	map uses lat/lng
187	*/
188	$lat = empty($lat) ? $settings->get('default_lat') : $lat;
189	$lng = empty($lng) ? $settings->get('default_lng') : $lng;
190
191	/*
192	mapquest doesn't need tile urls
193	*/
194	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
195	$tileurl = '';
196	$subdomains = '';
197	} else {
198	$tileurl = empty($tileurl) ? $settings->get('map_tile_url') : $tileurl;
199	$subdomains = empty($subdomains) ?
200	$settings->get('map_tile_url_subdomains') : $subdomains;
201
202	$detect_retina = empty($detect_retina) ? $settings->get('detect_retina') : $detect_retina;
203	}
204
205	/* should be iterated for multiple maps */
206	ob_start(); ?>
207	<script>
208	(function () {
209	// TODO: This could/should be abstracted so we don't duplicate code in image-shortcode
210	var scriptsSoFar = document.getElementsByTagName('script');
211	var thisScript = scriptsSoFar[scriptsSoFar.length - 1];
212	// create map HTMLElement
213	var mapElement = document.createElement('div');
214	mapElement.className = 'leaflet-map';
215	mapElement.style.height = "<?php echo $height; ?>";
216	mapElement.style.width = "<?php echo $width; ?>";
217	// insert just before this script
218	thisScript.parentNode.insertBefore(mapElement, thisScript);
219	// push deferred map creation function
220	window.WPLeafletMapPlugin = window.WPLeafletMapPlugin \|\| [];
221	window.WPLeafletMapPlugin.push(function () {
222	var baseUrl = '<?php echo $tileurl; ?>',
223	base = (!baseUrl && window.MQ) ?
224	MQ.mapLayer() : L.tileLayer(baseUrl, {
225	subdomains: '<?php echo $subdomains; ?>',
226	detectRetina: <?php echo $detect_retina; ?>,
227	}),
228	options = L.Util.extend({}, {
229	maxZoom: <?php echo $max_zoom; ?>,
230	minZoom: <?php echo $min_zoom; ?>,
231	layers: [base],
232	zoomControl: <?php echo $zoomcontrol; ?>,
233	scrollWheelZoom: <?php echo $scrollwheel; ?>,
234	doubleClickZoom: <?php echo $doubleclickzoom; ?>,
235	attributionControl: false
236	}, <?php echo $more_options; ?>),
237	map = L.map(mapElement, options)
238	.setView([<?php
239	echo $lat . ',' . $lng . '],' . $zoom;
240	?>);
241	if (<?php echo $fitbounds; ?>) {
242	map._shouldFitBounds = true;
243	}
244	<?php
245	if ($attribution) :
246	/* add any attributions, semi-colon-separated */
247	$attributions = explode(';', $attribution);
248	?>
249	var attControl = L.control.attribution({prefix:false}).addTo(map);
250	<?php
251	foreach ($attributions as $a):
252	?>
253	attControl.addAttribution('<?php echo trim($a); ?>');
254	<?php
255	endforeach;
256	endif;
257	?>
258	window.WPLeafletMapPlugin.maps.push(map);
259	}); // end add
260	})(); // end IIFE
261	</script><?php
262
263	return ob_get_clean();
264	}
265	}