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

class.map-shortcode.php in Leaflet Map 2.10.0, 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	* @param array $atts
10	* @return string $content produced by adding atts to JavaScript
11	*/
12
13	// Exit if accessed directly
14	if ( !defined( 'ABSPATH' ) ) exit;
15
16	include_once(LEAFLET_MAP__PLUGIN_DIR . 'shortcodes/class.shortcode.php');
17
18	class Leaflet_Map_Shortcode extends Leaflet_Shortcode {
19	protected $map_id = 0;
20
21	public function __construct ($atts) {
22	parent::__construct();
23	$this->enqueue();
24	$this->incrementMap();
25	}
26
27	protected function incrementMap () {
28	$this->LM->map_count++;
29	$this->map_id = $this->LM->map_count;
30	}
31
32	/**
33	* Merge shortcode options with default options
34	*
35	* @param array\|string $atts key value pairs from shortcode
36	* @param string $content inner text in shortcode
37	* @return array new atts, which is actually an array
38	*/
39
40	protected function getAtts ($atts='', $content=null) {
41	$atts = (array) $atts;
42	extract($atts);
43
44	$settings = Leaflet_Map_Plugin_Settings::init();
45
46	$atts['zoom'] = array_key_exists('zoom', $atts) ? $zoom : $settings->get('default_zoom');
47	$atts['height'] = empty($height) ? $settings->get('default_height') : $height;
48	$atts['width'] = empty($width) ? $settings->get('default_width') : $width;
49	$atts['zoomcontrol'] = array_key_exists('zoomcontrol', $atts) ? $zoomcontrol : $settings->get('show_zoom_controls');
50	$atts['min_zoom'] = array_key_exists('min_zoom', $atts) ? $min_zoom : $settings->get('default_min_zoom');
51	$atts['max_zoom'] = empty($max_zoom) ? $settings->get('default_max_zoom') : $max_zoom;
52	$atts['scrollwheel'] = array_key_exists('scrollwheel', $atts) ? $scrollwheel : $settings->get('scroll_wheel_zoom');
53	$atts['doubleclickzoom'] = array_key_exists('doubleclickzoom', $atts) ? $doubleclickzoom : $settings->get('double_click_zoom');
54	$atts['fit_markers'] = array_key_exists('fit_markers', $atts) ? $fit_markers : $settings->get('fit_markers');
55
56	/* allow percent, but add px for ints */
57	$atts['height'] .= is_numeric($atts['height']) ? 'px' : '';
58	$atts['width'] .= is_numeric($atts['width']) ? 'px' : '';
59
60	/*
61	need to allow 0 or empty for removal of attribution
62	*/
63	if (!array_key_exists('attribution', $atts)) {
64	$atts['attribution'] = $settings->get('default_attribution');
65	}
66
67	/* allow a bunch of other options */
68	// http://leafletjs.com/reference-1.0.3.html#map-closepopuponclick
69	$more_options = array(
70	'closePopupOnClick' => isset($closepopuponclick) ? $closepopuponclick : NULL,
71	'trackResize' => isset($trackresize) ? $trackresize : NULL,
72	'boxZoom' => isset($boxzoom) ? $boxzoom : NULL,
73	'doubleClickZoom' => isset($doubleclickzoom) ? $doubleclickzoom : NULL,
74	'dragging' => isset($dragging) ? $dragging : NULL,
75	'keyboard' => isset($keyboard) ? $keyboard : NULL
76	);
77
78	// filter out nulls
79	$more_options = $this->LM->filter_null( $more_options );
80
81	// change string booleans to booleans
82	$more_options = filter_var_array($more_options, FILTER_VALIDATE_BOOLEAN);
83
84	// wrap as JSON
85	if ($more_options) {
86	$more_options = json_encode( $more_options );
87	} else {
88	$more_options = '{}';
89	}
90
91	$atts['more_options'] = $more_options;
92
93	return $atts;
94	}
95
96	protected function enqueue () {
97	wp_enqueue_style('leaflet_stylesheet');
98	wp_enqueue_script('leaflet_js');
99	wp_enqueue_script('leaflet_map_init');
100
101	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
102	// mapquest doesn't accept direct tile access as of July 11, 2016
103	wp_enqueue_script('leaflet_mapquest_plugin');
104	}
105	}
106
107	protected function getHTML ($atts='', $content=null) {
108	extract($this->getAtts($atts));
109
110	if (!empty($address)) {
111	/* try geocoding */
112	include_once(LEAFLET_MAP__PLUGIN_DIR . 'class.geocoder.php');
113	$location = new Leaflet_Geocoder( $address );
114	$lat = $location->lat;
115	$lng = $location->lng;
116	}
117
118	$settings = Leaflet_Map_Plugin_Settings::init();
119
120	/*
121	map uses lat/lng
122	*/
123	$lat = empty($lat) ? $settings->get('default_lat') : $lat;
124	$lng = empty($lng) ? $settings->get('default_lng') : $lng;
125
126	/*
127	mapquest doesn't need tile urls
128	*/
129	if (wp_script_is('leaflet_mapquest_plugin', 'registered')) {
130	$tileurl = '';
131	$subdomains = '';
132	} else {
133	$tileurl = empty($tileurl) ? $settings->get('map_tile_url') : $tileurl;
134	$subdomains = empty($subdomains) ? $settings->get('map_tile_url_subdomains') : $subdomains;
135	}
136
137	/* should be iterated for multiple maps */
138	ob_start(); ?>
139	<div
140	id="leaflet-map-<?php echo $this->map_id; ?>"
141	class="leaflet-map"
142	style="height:<?php echo $height; ?>; width:<?php echo $width; ?>;"></div>
143	<script>
144	WPLeafletMapPlugin.add(function () {
145	var baseUrl = '<?php echo $tileurl; ?>',
146	base = (!baseUrl && window.MQ) ? MQ.mapLayer() : L.tileLayer(baseUrl, {
147	subdomains: '<?php echo $subdomains; ?>'
148	}),
149	options = L.Util.extend({}, {
150	maxZoom: <?php echo $max_zoom; ?>,
151	minZoom: <?php echo $min_zoom; ?>,
152	layers: [base],
153	zoomControl: <?php echo $zoomcontrol; ?>,
154	scrollWheelZoom: <?php echo $scrollwheel; ?>,
155	doubleClickZoom: <?php echo $doubleclickzoom; ?>,
156	attributionControl: false
157	}, <?php echo $more_options; ?>),
158	map = L.map('leaflet-map-<?php echo $this->map_id; ?>', options).setView([<?php echo $lat . ',' . $lng . '],' . $zoom; ?>);
159	if (<?php echo $fit_markers; ?>) {
160	map.fit_markers = true;
161	}
162	<?php
163	if ($attribution) {
164	/* add any attributions, semi-colon-separated */
165	$attributions = explode(';', $attribution);
166
167	?>
168	var attControl = L.control.attribution({prefix:false}).addTo(map);
169	<?php
170
171	foreach ($attributions as $a) {
172	?>
173	attControl.addAttribution('<?php echo trim($a); ?>');
174	<?php
175	}
176	}
177	?>
178	WPLeafletMapPlugin.maps.push(map);
179	}); // end add
180	</script> <?php
181
182	return ob_get_clean();
183	}
184	}