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

class.map-shortcode.php in Leaflet Map 2.11.2, 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	* @param string $content inner text in shortcode
58	*
59	* @return array new atts, which is actually an array
60	*/
61	protected function getAtts($atts='', $content=null)
62	{
63	$atts = (array) $atts;
64	extract($atts);
65
66	$settings = Leaflet_Map_Plugin_Settings::init();
67
68	$atts['zoom'] = array_key_exists('zoom', $atts) ?
69	$zoom : $settings->get('default_zoom');
70	$atts['height'] = empty($height) ?
71	$settings->get('default_height') : $height;
72	$atts['width'] = empty($width) ? $settings->get('default_width') : $width;
73	$atts['zoomcontrol'] = array_key_exists('zoomcontrol', $atts) ?
74	$zoomcontrol : $settings->get('show_zoom_controls');
75	$atts['min_zoom'] = array_key_exists('min_zoom', $atts) ?
76	$min_zoom : $settings->get('default_min_zoom');
77	$atts['max_zoom'] = empty($max_zoom) ?
78	$settings->get('default_max_zoom') : $max_zoom;
79	$atts['scrollwheel'] = array_key_exists('scrollwheel', $atts) ?
80	$scrollwheel : $settings->get('scroll_wheel_zoom');
81	$atts['doubleclickzoom'] = array_key_exists('doubleclickzoom', $atts) ?
82	$doubleclickzoom : $settings->get('double_click_zoom');
83	$atts['fit_markers'] = array_key_exists('fit_markers', $atts) ?
84	$fit_markers : $settings->get('fit_markers');
85
86	/* allow percent, but add px for ints */
87	$atts['height'] .= is_numeric($atts['height']) ? 'px' : '';
88	$atts['width'] .= is_numeric($atts['width']) ? 'px' : '';
89
90	/*
91	need to allow 0 or empty for removal of attribution
92	*/
93	if (!array_key_exists('attribution', $atts)) {
94	$atts['attribution'] = $settings->get('default_attribution');
95	}
96
97	/* allow a bunch of other options */
98	// http://leafletjs.com/reference-1.0.3.html#map-closepopuponclick
99	$more_options = array(
100	'closePopupOnClick' => isset($closepopuponclick) ?
101	$closepopuponclick : null,
102	'trackResize' => isset($trackresize) ? $trackresize : null,
103	'boxZoom' => isset($boxzoom) ? $boxzoom : null,
104	'dragging' => isset($dragging) ? $dragging : null,
105	'keyboard' => isset($keyboard) ? $keyboard : null
106	);
107
108	// filter out nulls
109	$more_options = $this->LM->filter_null($more_options);
110
111	// change string booleans to booleans
112	$more_options = filter_var_array($more_options, FILTER_VALIDATE_BOOLEAN);
113
114	// wrap as JSON
115	if ($more_options) {
116	$more_options = json_encode($more_options);
117	} else {
118	$more_options = '{}';
119	}
120
121	$atts['more_options'] = $more_options;
122
123	return $atts;
124	}
125
126	/**
127	* Enqueue Scripts and Styles for Leaflet
128	*
129	* @return null
130	*/
131	protected function enqueue()
132	{
133	wp_enqueue_style('leaflet_stylesheet');
134	wp_enqueue_script('leaflet_js');
135	wp_enqueue_script('leaflet_map_init');
136
137	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
138	// mapquest doesn't accept direct tile access as of July 11, 2016
139	wp_enqueue_script('leaflet_mapquest_plugin');
140	}
141
142	// enqueue user-defined scripts
143	do_action('leaflet_map_enqueue');
144	}
145
146	/**
147	* Get script for shortcode
148	*
149	* @param array $atts sometimes this is null
150	* @param string $content anything within a shortcode
151	*
152	* @return string HTML
153	*/
154	protected function getHTML($atts='', $content=null)
155	{
156	extract($this->getAtts($atts));
157
158	if (!empty($address)) {
159	/* try geocoding */
160	include_once LEAFLET_MAP__PLUGIN_DIR . 'class.geocoder.php';
161	$location = new Leaflet_Geocoder($address);
162	$lat = $location->lat;
163	$lng = $location->lng;
164	}
165
166	$settings = Leaflet_Map_Plugin_Settings::init();
167
168	/*
169	map uses lat/lng
170	*/
171	$lat = empty($lat) ? $settings->get('default_lat') : $lat;
172	$lng = empty($lng) ? $settings->get('default_lng') : $lng;
173
174	/*
175	mapquest doesn't need tile urls
176	*/
177	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
178	$tileurl = '';
179	$subdomains = '';
180	} else {
181	$tileurl = empty($tileurl) ? $settings->get('map_tile_url') : $tileurl;
182	$subdomains = empty($subdomains) ?
183	$settings->get('map_tile_url_subdomains') : $subdomains;
184	}
185
186	/* should be iterated for multiple maps */
187	ob_start(); ?>
188	<div
189	id="leaflet-map-<?php echo $this->map_id; ?>"
190	class="leaflet-map"
191	style="height:<?php
192	echo $height;
193	?>; width:<?php
194	echo $width;
195	?>;"></div>
196	<script>
197	window.WPLeafletMapPlugin = window.WPLeafletMapPlugin \|\| [];
198	window.WPLeafletMapPlugin.push(function () {
199	var baseUrl = '<?php echo $tileurl; ?>',
200	base = (!baseUrl && window.MQ) ?
201	MQ.mapLayer() : L.tileLayer(baseUrl, {
202	subdomains: '<?php echo $subdomains; ?>'
203	}),
204	options = L.Util.extend({}, {
205	maxZoom: <?php echo $max_zoom; ?>,
206	minZoom: <?php echo $min_zoom; ?>,
207	layers: [base],
208	zoomControl: <?php echo $zoomcontrol; ?>,
209	scrollWheelZoom: <?php echo $scrollwheel; ?>,
210	doubleClickZoom: <?php echo $doubleclickzoom; ?>,
211	attributionControl: false
212	}, <?php echo $more_options; ?>),
213	map = L.map('leaflet-map-<?php echo $this->map_id; ?>', options)
214	.setView([<?php
215	echo $lat . ',' . $lng . '],' . $zoom;
216	?>);
217	if (<?php echo $fit_markers; ?>) {
218	map.fit_markers = true;
219	}
220	<?php
221	if ($attribution) :
222	/* add any attributions, semi-colon-separated */
223	$attributions = explode(';', $attribution);
224	?>
225	var attControl = L.control.attribution({prefix:false}).addTo(map);
226	<?php
227	foreach ($attributions as $a):
228	?>
229	attControl.addAttribution('<?php echo trim($a); ?>');
230	<?php
231	endforeach;
232	endif;
233	?>
234	window.WPLeafletMapPlugin.maps.push(map);
235	}); // end add
236	</script><?php
237
238	return ob_get_clean();
239	}
240	}