xref: /plugin/openlayersmap/syntax/olmap.php (revision a757236dbe1737b7cdd8dff47fccee50a7e2cb7a)
1<?php
2/*
3 * Copyright (c) 2008-2011 Mark C. Prins <mc.prins@gmail.com>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/**
19 * Plugin OL Maps: Allow Display of a OpenLayers Map in a wiki page.
20 *
21 * @author Mark Prins
22 */
23
24if (!defined('DOKU_INC'))
25define('DOKU_INC', realpath(dirname(__FILE__) . '/../../') . '/');
26if (!defined('DOKU_PLUGIN'))
27define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
28require_once (DOKU_PLUGIN . 'syntax.php');
29
30/**
31 * All DokuWiki plugins to extend the parser/rendering mechanism
32 * need to inherit from this class
33 */
34class syntax_plugin_openlayersmap_olmap extends DokuWiki_Syntax_Plugin {
35	/** defaults of the known attributes of the olmap tag. */
36	private $dflt = array (
37		'id' => 'olmap',
38		'width' => '550px',
39		'height' => '450px',
40		'lat' => 50.0,
41		'lon' => 5.1,
42		'zoom' => 12,
43		'toolbar' => true,
44		'statusbar' => true,
45		'controls' => true,
46		'poihoverstyle' => false,
47		'baselyr'=>'OpenStreetMap',
48	 	'gpxfile' => '',
49 		'kmlfile' => '',
50		'summary'=>''
51		);
52
53		/**
54		 * Return the type of syntax this plugin defines.
55		 * @Override
56		 */
57		function getType() {return 'substition';}
58
59		/**
60		 * Defines how this syntax is handled regarding paragraphs.
61		 * @Override
62		 */
63		function getPType() {return 'block';} //normal block stack
64
65		/**
66		 * Returns a number used to determine in which order modes are added.
67		 * @Override
68		 */
69		function getSort() {return 901;}
70
71		/**
72		 * This function is inherited from Doku_Parser_Mode.
73		 * Here is the place to register the regular expressions needed
74		 * to match your syntax.
75		 * @Override
76		 */
77		function connectTo($mode) {
78			$this->Lexer->addSpecialPattern('<olmap ?[^>\n]*>.*?</olmap>', $mode, 'plugin_openlayersmap_olmap');
79		}
80
81		/**
82		 * handle each olmap tag. prepare the matched syntax for use in the renderer.
83		 * @Override
84		 */
85		function handle($match, $state, $pos, &$handler) {
86			// break matched cdata into its components
87			list ($str_params, $str_points) = explode('>', substr($match, 7, -9), 2);
88			// get the lat/lon for adding them to the metadata (used by geotag)
89			preg_match('(lat[:|=]\"\d*\.\d*\")',$match,$mainLat);
90			preg_match('(lon[:|=]\"\d*\.\d*\")',$match,$mainLon);
91			$mainLat=substr($mainLat[0],5,-1);
92			$mainLon=substr($mainLon[0],5,-1);
93
94			$gmap = $this->_extract_params($str_params);
95			$overlay = $this->_extract_points($str_points);
96
97			$imgUrl = "{{";
98			// choose maptype based on tag
99			if (strpos($gmap['baselyr'],'google')>0){
100				// use google
101				$imgUrl .= $this->_getGoogle($gmap, $overlay);
102			}elseif ((strpos($gmap['baselyr'],'ve')>0)){
103				// use bing
104				$imgUrl .= $this->_getBing($gmap, $overlay);
105			}else {
106				// use mapquest
107				// $imgUrl .=$this->_getMapQuest($gmap,$overlay);
108				// use http://staticmap.openstreetmap.de
109				$imgUrl .=$this->_getStaticOSM($gmap,$overlay);
110
111			}
112
113			// append dw specific params
114			$imgUrl .="&.png?".$gmap['width']."x".$gmap['height'];
115			$imgUrl .= "&nolink";
116			$imgUrl .= " |".$gmap['summary']." }} ";
117			// remove 'px'
118			$imgUrl = str_replace("px", "",$imgUrl);
119
120			$imgUrl=p_render("xhtml", p_get_instructions($imgUrl), $info);
121
122			$mapid = $gmap['id'];
123
124			// determine width and height (inline styles) for the map image
125			if ($gmap['width'] || $gmap['height']) {
126				$style = $gmap['width'] ? 'width: ' . $gmap['width'] . ";" : "";
127				$style .= $gmap['height'] ? 'height: ' . $gmap['height'] . ";" : "";
128				$style = "style='$style'";
129			} else {
130				$style = '';
131			}
132
133			// unset gmap values for width and height - they don't go into javascript
134			unset ($gmap['width'], $gmap['height']);
135
136			// create a javascript parameter string for the map
137			$param = '';
138			foreach ($gmap as $key => $val) {
139				$param .= is_numeric($val) ? "$key: $val, " : "$key: '" . hsc($val) . "', ";
140			}
141			if (!empty ($param)) {
142				$param = substr($param, 0, -2);
143			}
144			unset ($gmap['id']);
145
146			// create a javascript serialisation of the point data
147			$poi = '';
148			$poitable='';
149			$rowId=0;
150			if (!empty ($overlay)) {
151				foreach ($overlay as $data) {
152					list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
153					$rowId++;
154					$poi .= ", {lat: $lat, lon: $lon, txt: '$text', angle: $angle, opacity: $opacity, img: '$img', rowId: $rowId}";
155					$poitable .='
156			<tr>
157				<td class="rowId">'.$rowId.'</td>
158				<td class="icon"><img src="'.DOKU_BASE.'/lib/plugins/openlayersmap/icons/'.$img.'" alt="icon" /></td>
159				<td class="lat" title="'.$this->getLang('olmapPOIlatTitle').'">'.$lat.'</td>
160				<td class="lon" title="'.$this->getLang('olmapPOIlonTitle').'">'.$lon.'</td>
161				<td class="txt">'.$text.'</td>
162			</tr>';
163				}
164				$poi = substr($poi, 2);
165			}
166			$js .= "createMap({" . $param . " },[$poi]);";
167			// unescape the json
168			$poitable = stripslashes($poitable);
169
170			return array($mapid,$style,$js,$mainLat,$mainLon,$poitable,$gmap['summary'],$imgUrl);
171		}
172
173		/**
174		 * render html tag/output. render the content.
175		 * @Override
176		 */
177		function render($mode, &$renderer, $data) {
178			static $initialised = false; // set to true after script initialisation
179			list ($mapid, $style, $param, $mainLat, $mainLon, $poitable, $poitabledesc, $staticImgUrl) = $data;
180
181			if ($mode == 'xhtml') {
182				$olscript = '';
183				$olEnable = false;
184				$gscript = '';
185				$gEnable = false;
186				$vscript = '';
187				$vEnable = false;
188				$yscript = '';
189				$yEnable = false;
190
191				$scriptEnable = '';
192
193				if (!$initialised) {
194					$initialised = true;
195					// render necessary script tags
196					$gscript = $this->getConf('googleScriptUrl');
197					$gscript = $gscript ? '<script type="text/javascript" src="' . $gscript . '"></script>' : "";
198
199					$vscript = $this->getConf('veScriptUrl');
200					$vscript = $vscript ? '<script type="text/javascript" src="' . $vscript . '"></script>' : "";
201
202					$yscript = $this->getConf('yahooScriptUrl');
203					$yscript = $yscript ? '<script type="text/javascript" src="' . $yscript . '"></script>' : "";
204
205					$olscript = $this->getConf('olScriptUrl');
206					$olscript = $olscript ? '<script type="text/javascript" src="' . $olscript . '"></script>' : "";
207					$olscript = str_replace('DOKU_PLUGIN', DOKU_PLUGIN, $olscript);
208
209					$scriptEnable = '<script type="text/javascript">' . "\n" . '<!--//--><![CDATA[//><!--' . "\n";
210					$scriptEnable .= $olscript ? 'olEnable = true;' : 'olEnable = false;';
211					$scriptEnable .= $yscript ? ' yEnable = true;' : ' yEnable = false;';
212					$scriptEnable .= $vscript ? ' veEnable = true;' : ' veEnable = false;';
213					$scriptEnable .= $gscript ? ' gEnable = true;' : ' gEnable = false;';
214					$scriptEnable .= 'mqEnable = true;';
215					$scriptEnable .= "\n" . '//--><!]]>' . "\n" . '</script>';
216				}
217				$renderer->doc .= "				$olscript
218				$gscript
219				$vscript
220				$yscript
221				$scriptEnable";
222
223			    $renderer->doc .= "				<div id='$mapid-static' class='olStaticMap'>$staticImgUrl</div>
224				<div id='olContainer' class='olContainer'>
225				<div id='$mapid-olToolbar' class='olToolbar'></div>
226			        <div style='clear:both;'></div>
227			        <div id='$mapid' $style ></div>
228			        <div id='$mapid-olStatusBar' class='olStatusBarContainer'>
229			            <div id='$mapid-statusbar-scale' class='olStatusBar olStatusBarScale'>scale</div>
230			            <div id='$mapid-statusbar-link' class='olStatusBar olStatusBarPermalink'>
231			                <a href='' id='$mapid-statusbar-link-ref'>map link</a>
232			            </div>
233			            <div id='$mapid-statusbar-mouseposition' class='olStatusBar olStatusBarMouseposition'></div>
234			            <div id='$mapid-statusbar-projection' class='olStatusBar olStatusBarProjection'>proj</div>
235			            <div id='$mapid-statusbar-text' class='olStatusBar olStatusBarText'>txt</div>
236			        </div>
237			    </div>";
238				//<p>&nbsp;</p>";
239
240				// render a (hidden) table of the POI for the print and a11y presentation
241				$renderer->doc .= ' 	<div class="olPOItableSpan" id="'.$mapid.'-table-span"><table class="olPOItable" id="'.$mapid.'-table" summary="'.$poitabledesc.'" title="'.$this->getLang('olmapPOItitle').'">
242		<caption class="olPOITblCaption">'.$this->getLang('olmapPOItitle').'</caption>
243		<thead class="olPOITblHeader">
244			<tr>
245				<th class="rowId" scope="col">id</th>
246				<th class="icon" scope="col">'.$this->getLang('olmapPOIicon').'</th>
247				<th class="lat" scope="col" title="'.$this->getLang('olmapPOIlatTitle').'">'.$this->getLang('olmapPOIlat').'</th>
248				<th class="lon" scope="col" title="'.$this->getLang('olmapPOIlonTitle').'">'.$this->getLang('olmapPOIlon').'</th>
249				<th class="txt" scope="col">'.$this->getLang('olmapPOItxt').'</th>
250			</tr>
251		</thead>
252		<tfoot class="olPOITblFooter"><tr><td colspan="5">'.$poitabledesc.'</td></tr></tfoot>
253		<tbody class="olPOITblBody">'.$poitable.'</tbody>
254	</table></div>';
255				//TODO no tfoot when $poitabledesc is empty
256
257				// render inline mapscript
258				$renderer->doc .="				<script type='text/javascript'><!--//--><![CDATA[//><!--
259			    var $mapid = $param
260			   //--><!]]></script>";
261
262			} elseif ($mode == 'metadata') {
263				// render metadata if available
264				if (!(($this->dflt['lat']==$mainLat)||($thisdflt['lon']==$mainLon))){
265					// unless they are the default
266					$renderer->meta['geo']['lat'] = $mainLat;
267					$renderer->meta['geo']['lon'] = $mainLon;
268				}
269				return true;
270			}
271			return false;
272		}
273
274		/**
275		 * extract parameters for the map from the parameter string
276		 *
277		 * @param   string    $str_params   string of key="value" pairs
278		 * @return  array                   associative array of parameters key=>value
279		 */
280		private function _extract_params($str_params) {
281			$param = array ();
282			preg_match_all('/(\w*)="(.*?)"/us', $str_params, $param, PREG_SET_ORDER);
283			// parse match for instructions, break into key value pairs
284			$gmap = $this->dflt;
285			foreach ($param as $kvpair) {
286				list ($match, $key, $val) = $kvpair;
287				$key = strtolower($key);
288				if (isset ($gmap[$key])){
289					if ($key == 'summary'){
290						// preserve case for summary field
291						$gmap[$key] = $val;
292					}else {
293						$gmap[$key] = strtolower($val);
294					}
295				}
296			}
297			return $gmap;
298		}
299
300		/**
301		 * extract overlay points for the map from the wiki syntax data
302		 *
303		 * @param   string    $str_points   multi-line string of lat,lon,text triplets
304		 * @return  array                   multi-dimensional array of lat,lon,text triplets
305		 */
306		private function _extract_points($str_points) {
307			$point = array ();
308			//preg_match_all('/^([+-]?[0-9].*?),\s*([+-]?[0-9].*?),(.*?),(.*?),(.*?),(.*)$/um', $str_points, $point, PREG_SET_ORDER);
309			/*
310			group 1: ([+-]?[0-9]+(?:\.[0-9]*)?)
311			group 2: ([+-]?[0-9]+(?:\.[0-9]*)?)
312			group 3: (.*?)
313			group 4: (.*?)
314			group 5: (.*?)
315			group 6: (.*)
316			*/
317			preg_match_all('/^([+-]?[0-9]+(?:\.[0-9]*)?),\s*([+-]?[0-9]+(?:\.[0-9]*)?),(.*?),(.*?),(.*?),(.*)$/um', $str_points, $point, PREG_SET_ORDER);
318			// create poi array
319			$overlay = array ();
320			foreach ($point as $pt) {
321				list ($match, $lat, $lon, $angle, $opacity, $img, $text) = $pt;
322				$lat = is_numeric($lat) ? $lat : 0;
323				$lon = is_numeric($lon) ? $lon : 0;
324				$angle = is_numeric($angle) ? $angle : 0;
325				$opacity = is_numeric($opacity) ? $opacity : 0.8;
326				$img = trim($img);
327				// TODO validate using exist & set up default img?
328				$text = addslashes(str_replace("\n", "", p_render("xhtml", p_get_instructions($text), $info)));
329				$overlay[] = array($lat, $lon, $text, $angle, $opacity, $img);
330			}
331			return $overlay;
332		}
333
334		/**
335		 * Create a MapQuest static map API image url.
336		 * @param array $gmap
337		 * @param array $overlay
338		 */
339		private function _getMapQuest($gmap,$overlay) {
340			$sUrl=$this->getConf('iconUrlOverload');
341			if (!$sUrl){
342				$sUrl=DOKU_URL;
343			}
344			switch ($gmap['baselyr']){
345				case 'mq hybrid':
346					$maptype='hyb (Hybrid)';
347					break;
348				case 'mq sat':
349					$maptype='sat (Satellite)';
350					break;
351				case 'mq normal':
352				default:
353					$maptype='map';
354					break;
355			}
356
357
358			$imgUrl = "http://open.mapquestapi.com/staticmap/v3/getmap";
359			$imgUrl .= "?center=".$gmap['lat'].",".$gmap['lon'];
360			$imgUrl .= "&size=".str_replace("px", "",$gmap['width']).",".str_replace("px", "",$gmap['height']);
361			// max level for mapquest is 16
362			if ($gmap['zoom']>16) {
363				$imgUrl .= "&zoom=16";
364			} else			{
365				$imgUrl .= "&zoom=".$gmap['zoom'];
366			}
367			// TODO mapquest allows using one image url with a multiplier $NUMBER eg:
368			// $NUMBER = 2
369			// $imgUrl .= DOKU_URL."/".DOKU_PLUGIN."/".getPluginName()."/icons/".$img.",$NUMBER,C,".$lat1.",".$lon1.",0,0,0,0,C,".$lat2.",".$lon2.",0,0,0,0";
370			if (!empty ($overlay)) {
371				$imgUrl .= "&xis=";
372				foreach ($overlay as $data) {
373					list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
374					$imgUrl .= $sUrl."lib/plugins/openlayersmap/icons/".$img.",1,C,".$lat.",".$lon.",0,0,0,0,";
375				}
376				$imgUrl = substr($imgUrl,0,-1);
377			}
378			$imgUrl .= "&imageType=png&type=".$maptype;
379			dbglog($imgUrl,'syntax_plugin_openlayersmap_olmap::_getMapQuest: MapQuest image url is:');
380			return $imgUrl;
381		}
382
383		private function _getGoogle($gmap, $overlay){
384			$sUrl=$this->getConf('iconUrlOverload');
385			if (!$sUrl){
386				$sUrl=DOKU_URL;
387			}
388			switch ($gmap['baselyr']){
389				case 'google hybrid':
390					$maptype='hybrid';
391					break;
392				case 'google sat':
393					$maptype='satellite';
394					break;
395				case 'google relief':
396					$maptype='terrain';
397					break;
398				case 'google normal':
399				default:
400					$maptype='roadmap';
401					break;
402			}
403
404			//http://maps.google.com/maps/api/staticmap?center=51.565690,5.456756&zoom=16&size=600x400&markers=icon:http://wild-water.nl/dokuwiki/lib/plugins/openlayersmap/icons/marker.png|label:1|51.565690,5.456756&markers=icon:http://wild-water.nl/dokuwiki/lib/plugins/openlayersmap/icons/marker-blue.png|51.566197,5.458966|label:2&markers=icon:http://wild-water.nl/dokuwiki/lib/plugins/openlayersmap/icons/parking.png|51.567177,5.457909|label:3&markers=icon:http://wild-water.nl/dokuwiki/lib/plugins/openlayersmap/icons/parking.png|51.566283,5.457330|label:4&markers=icon:http://wild-water.nl/dokuwiki/lib/plugins/openlayersmap/icons/parking.png|51.565630,5.457695|label:5&sensor=false&format=png&maptype=roadmap
405			$imgUrl = "http://maps.google.com/maps/api/staticmap";
406			$imgUrl .= "?center=".$gmap['lat'].",".$gmap['lon'];
407			$imgUrl .= "&size=".str_replace("px", "",$gmap['width'])."x".str_replace("px", "",$gmap['height']);
408			// don't need this anymore $imgUrl .= "&key=".$this->getConf('googleAPIKey');
409			// max is 21 (== building scale), but that's overkill..
410			if ($gmap['zoom']>16) {
411				$imgUrl .= "&zoom=16";
412			} else			{
413				$imgUrl .= "&zoom=".$gmap['zoom'];
414			}
415
416			if (!empty ($overlay)) {
417				$rowId=0;
418				foreach ($overlay as $data) {
419					list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
420					$imgUrl .= "&markers=icon%3a".$sUrl."lib/plugins/openlayersmap/icons/".$img."%7c".$lat.",".$lon."%7clabel%3a".++$rowId;
421				}
422			}
423			$imgUrl .= "&format=png&maptype=".$maptype."&sensor=false";
424			global $conf;
425			$imgUrl .= "&language=".$conf['lang'];
426			dbglog($imgUrl,'syntax_plugin_openlayersmap_olmap::_getGoogle: Google image url is:');
427			return $imgUrl;
428		}
429
430		/**
431		 *
432		 * Create a bing maps static image url w/ the poi.
433		 * @param array $gmap
434		 * @param array $overlay
435		 */
436		private function _getBing($gmap, $overlay){
437			switch ($gmap['baselyr']){
438				case 've hybrid':
439					$maptype='AerialWithLabels';
440					break;
441				case 've sat':
442					$maptype='Aerial';
443					break;
444				case 've normal':
445				case 've':
446				default:
447					$maptype='Road';
448					break;
449			}
450
451			// TODO since bing does not provide declutter or autozoom/fit we need to determine the bbox based on the poi and lat/lon ourselves
452			//http://dev.virtualearth.net/REST/v1/Imagery/Map/Road/51.56573,5.45690/12?mapSize=400,400&key=Agm4PJzDOGz4Oy9CYKPlV-UtgmsfL2-zeSyfYjRhf57OQB_oj87j5pncKZSay5qY
453			$imgUrl = "http://dev.virtualearth.net/REST/v1/Imagery/Map/".$maptype."/".$gmap['lat'].",".$gmap['lon']."/".$gmap['zoom'];
454			$imgUrl .= "?ms=".str_replace("px", "",$gmap['width']).",".str_replace("px", "",$gmap['height']);
455			// create a bing api key at https://www.bingmapsportal.com/application
456			$imgUrl .= "&key=".$this->getConf('bingAPIKey');
457			if (!empty ($overlay)) {
458				$rowId=0;
459				foreach ($overlay as $data) {
460					list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
461					// TODO icon style lookup, see: http://msdn.microsoft.com/en-us/library/ff701719.aspx for iconStyle
462					// NOTE: the max number of pushpins is 18!
463					$iconStyle=32;
464					$rowId++;
465					$imgUrl .= "&pp=$lat,$lon;$iconStyle;$rowId";
466				}
467			}
468			dbglog($imgUrl,'syntax_plugin_openlayersmap_olmap::_getBing: bing image url is:');
469			return $imgUrl;
470		}
471
472		/**
473		 *
474		 * Create a static OSM map image url w/ the poi from http://staticmap.openstreetmap.de (staticMapLite)
475		 * @param array $gmap
476		 * @param array $overlay
477		 */
478		private function _getStaticOSM($gmap, $overlay){
479			//http://staticmap.openstreetmap.de/staticmap.php?center=47.000622235634,10.117187497601&zoom=5&size=500x350
480			// &markers=48.999812532766,8.3593749976708,lightblue1|43.154850037315,17.499999997306,lightblue1|49.487527053077,10.820312497573,ltblu-pushpin|47.951071133739,15.917968747369,ol-marker|47.921629720114,18.027343747285,ol-marker-gold|47.951071133739,19.257812497236,ol-marker-blue|47.180141361692,19.257812497236,ol-marker-green
481			$imgUrl = "http://staticmap.openstreetmap.de/staticmap.php";
482			$imgUrl .= "?center=".$gmap['lat'].",".$gmap['lon'];
483			$imgUrl .= "&size=".str_replace("px", "",$gmap['width'])."x".str_replace("px", "",$gmap['height']);
484			if ($gmap['zoom']>16) {
485				$imgUrl .= "&zoom=16";
486			} else			{
487				$imgUrl .= "&zoom=".$gmap['zoom'];
488			}
489
490			if (!empty ($overlay)) {
491				$rowId=0;
492				$imgUrl .= "&markers=";
493				foreach ($overlay as $data) {
494					list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
495					$rowId++;
496					$iconStyle = "lightblue$rowId";
497					$imgUrl .= "$lat,$lon,$iconStyle%7c";
498				}
499				$imgUrl = substr($imgUrl,0,-3);
500			}
501
502			dbglog($imgUrl,'syntax_plugin_openlayersmap_olmap::_getStaticOSM: bing image url is:');
503			return $imgUrl;
504
505		}
506}