1<?php 2/* 3 * Copyright (c) 2008-2012 Mark C. Prins <mprins@users.sf.net> 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*/ 17if (!defined('DOKU_INC')) die(); 18if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 19require_once DOKU_PLUGIN.'openlayersmap/StaticMap.php'; 20/** 21 * DokuWiki Plugin openlayersmap (staticmap Helper Component). 22 * This provides the interface to generate a static map based on predefined OSM layers. 23 * 24 * @author Mark Prins 25 */ 26class helper_plugin_openlayersmap_staticmap extends DokuWiki_Plugin { 27 private $maxWidth = 1024; 28 private $maxHeight = 1024; 29 30 function getMethods(){ 31 $result = array(); 32 $result[] = array( 33 'name' => 'getMap', 34 'desc' => 'returns url to the image', 35 'params' => array( 36 'center' => 'string', 37 'zoom' => 'integer', 38 'size' => 'string', 39 'maptype' => 'string', 40 'markers' => 'string', 41 'gpx' => 'string', 42 'kml' => 'string'), 43 'return' => array('image' => 'string'), 44 ); 45 return $result; 46 } 47 48 /** 49 * Create the map. 50 * 51 * @param number lat the latitude of the map's center, eg. 40.714728 52 * @param number lon the longitude of the map's center, eg -73.998672 53 * @param number zoom the zoom level in the tile cache, eg. 14 54 * @param mixed size the size in WxH px, eg. 512x512 55 * @param string maptype the maptype, eg. cycle 56 * @param mixed markers associative array of markers, array('lat'=>$lat,'lon'=>$lon,'type'=>$iconStyle), eg. array( 'lat'=>40.702147, 'lon'=>-74.015794, 'type'=>lightblue1); 57 * @param string gpx media link 58 * @param string kml media link 59 * 60 * @return the media id url 61 */ 62 public function getMap($lat, $lon, $zoom, $size, $maptype, $markers, $gpx, $kml){ 63 global $conf; 64 dbglog($markers,'helper_plugin_openlayersmap_staticmap::getMap: markers :'); 65 66 // normalize zoom 67 $zoom = $zoom?intval($zoom):0; 68 if($zoom > 18) $zoom = 18; 69 // normalize WxH 70 list($width, $height) = split('x',$size); 71 $width = intval($width); 72 if($width > $this->maxWidth) $width = $this->maxWidth; 73 $height = intval($height); 74 if($height > $this->maxHeight) $height = $this->maxHeight; 75 // cleanup/validate gpx/kml 76 $kml = $this->mediaIdToPath($kml); 77 dbglog($kml,'helper_plugin_openlayersmap_staticmap::getMap: kml file:'); 78 $gpx = $this->mediaIdToPath($gpx); 79 dbglog($gpx,'helper_plugin_openlayersmap_staticmap::getMap: gpx file:'); 80 81 // create map 82 $map = new StaticMap($lat, $lon, $zoom, $width, $height, $maptype, $markers, $gpx, $kml, 83 $conf['mediadir'], 84 $conf['cachedir'] 85 ); 86 // return the media id url 87 $mediaId = str_replace('/', ':', $map->getMap()); 88 return $mediaId; 89 } 90 91 private function startsWith($haystack, $needle) { 92 $length = strlen($needle); 93 return (substr($haystack, 0, $length) === $needle); 94 } 95 96 /** 97 * Constructs the path to a file. 98 * @param string $id the DW media id 99 * @return the path to the file 100 */ 101 private function mediaIdToPath($id){ 102 global $conf; 103 if(empty($id)) { 104 return ""; 105 } 106 $id=str_replace("[[","",$id); 107 $id=str_replace("]]","",$id); 108 if($this->startsWith($id,':')) { 109 $id = substr($id, 1); 110 } 111 $id=str_replace(":","/",$id); 112 return $conf['mediadir'].'/'.$id; 113 } 114}