1<?php 2/* 3 * Copyright (c) 2011-2014 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' )) 18 die (); 19 20if (! defined ( 'DOKU_PLUGIN' )) 21 define ( 'DOKU_PLUGIN', DOKU_INC . 'lib/plugins/' ); 22 23require_once (DOKU_PLUGIN . 'syntax.php'); 24/** 25 * DokuWiki Plugin geotag (Syntax Component). 26 * 27 * Handles the rendering part of the geotag plugin. 28 * 29 * @license BSD license 30 * @author Mark C. Prins <mprins@users.sf.net> 31 */ 32class syntax_plugin_geotag_geotag extends DokuWiki_Syntax_Plugin { 33 /** 34 * @see DokuWiki_Syntax_Plugin::getType() 35 */ 36 public function getType() { 37 return 'substition'; 38 } 39 40 /** 41 * @see DokuWiki_Syntax_Plugin::getPType() 42 */ 43 public function getPType() { 44 return 'block'; 45 } 46 47 /** 48 * @see Doku_Parser_Mode::getSort() 49 */ 50 public function getSort() { 51 return 305; 52 } 53 54 /** 55 * @see Doku_Parser_Mode::connectTo() 56 */ 57 public function connectTo($mode) { 58 $this->Lexer->addSpecialPattern ( '\{\{geotag>.*?\}\}', $mode, 'plugin_geotag_geotag' ); 59 } 60 61 /** 62 * @see DokuWiki_Syntax_Plugin::handle() 63 */ 64 public function handle($match, $state, $pos, Doku_Handler &$handler) { 65 $tags = trim ( substr ( $match, 9, - 2 ) ); 66 // parse geotag content 67 preg_match ( "(lat[:|=]\d*\.\d*)", $tags, $lat ); 68 preg_match ( "(lon[:|=]\d*\.\d*)", $tags, $lon ); 69 preg_match ( "(alt[:|=]\d*\.?\d*)", $tags, $alt ); 70 preg_match ( "(region[:|=][a-zA-Z\s\w'-]*)", $tags, $region ); 71 preg_match ( "(placename[:|=][a-zA-Z\s\w'-]*)", $tags, $placename ); 72 preg_match ( "(country[:|=][a-zA-Z\s\w'-]*)", $tags, $country ); 73 preg_match ( "(hide|unhide)", $tags, $hide ); 74 75 $showlocation = $this->getConf ( 'geotag_location_prefix' ); 76 if ($this->getConf ( 'geotag_showlocation' )) { 77 $showlocation = trim ( substr ( $placename [0], 10 ) ); 78 if (strlen ( $showlocation ) > 0) { 79 $showlocation .= ': '; 80 } 81 } 82 // read config for system setting 83 $style = ''; 84 if ($this->getConf ( 'geotag_hide' )) { 85 $style = ' style="display: none;"'; 86 } 87 // override config for the current tag 88 if (trim ( $hide [0] ) == 'hide') { 89 $style = ' style="display: none;"'; 90 } elseif (trim ( $hide [0] ) == 'unhide') { 91 $style = ''; 92 } 93 94 $data = array ( 95 trim ( substr ( $lat [0], 4 ) ), 96 trim ( substr ( $lon [0], 4 ) ), 97 trim ( substr ( $alt [0], 4 ) ), 98 $this->_geohash ( substr ( $lat [0], 4 ), substr ( $lon [0], 4 ) ), 99 trim ( substr ( $region [0], 7 ) ), 100 trim ( substr ( $placename [0], 10 ) ), 101 trim ( substr ( $country [0], 8 ) ), 102 $showlocation, 103 $style 104 ); 105 return $data; 106 } 107 108 /** 109 * @see DokuWiki_Syntax_Plugin::render() 110 */ 111 public function render($mode, Doku_Renderer &$renderer, $data) { 112 if ($data === false) 113 return false; 114 list ( $lat, $lon, $alt, $geohash, $region, $placename, $country, $showlocation, $style ) = $data; 115 if ($mode == 'xhtml') { 116 if ($this->getConf ( 'geotag_prevent_microformat_render' )) { 117 return true; 118 } 119 if ($this->getConf ( 'geotag_showsearch' )) { 120 $searchPre = ''; 121 $searchPost = ''; 122 if ($spHelper = &plugin_load ( 'helper', 'spatialhelper_search' )) { 123 $title = $this->getLang ( 'findnearby' ) . ' ' . $placename; 124 $url = wl ( getID (), array ( 125 'do' => 'findnearby', 126 'lat' => $lat, 127 'lon' => $lon 128 ) ); 129 $searchPre = '<a href="' . $url . '" title="' . $title . '">'; 130 $searchPost = '<span class="a11y">' . $title . '</span></a>'; 131 } 132 } 133 134 if (! empty ( $alt )) 135 $alt = ', <span class="altitude">' . $alt . 'm</span>'; 136 137 // render geotag microformat 138 $renderer->doc .= '<span class="geotagPrint">' . $this->getLang ( 'geotag_desc' ) . '</span>'; 139 $renderer->doc .= '<div class="geo"' . $style . ' title="' . $this->getLang ( 'geotag_desc' ) . $placename . '">'; 140 $renderer->doc .= $showlocation . $searchPre; 141 $renderer->doc .= '<span class="latitude">' . $lat . 'º</span>;<span class="longitude">' . $lon . 'º</span>'; 142 $renderer->doc .= $alt . $searchPost . '</div>' . DOKU_LF; 143 return true; 144 } elseif ($mode == 'metadata') { 145 // render metadata (our action plugin will put it in the page head) 146 $renderer->meta ['geo'] ['lat'] = $lat; 147 $renderer->meta ['geo'] ['lon'] = $lon; 148 $renderer->meta ['geo'] ['placename'] = $placename; 149 $renderer->meta ['geo'] ['region'] = $region; 150 $renderer->meta ['geo'] ['country'] = $country; 151 $renderer->meta ['geo'] ['geohash'] = $geohash; 152 $renderer->meta ['geo'] ['alt'] = $alt; 153 return true; 154 } elseif ($mode == 'odt') { 155 if (! empty ( $alt )) 156 $alt = ', ' . $alt . 'm'; 157 $renderer->p_open (); 158 $renderer->_odtAddImage ( DOKU_PLUGIN . 'geotag/images/geotag.png', null, null, 'left', '' ); 159 $renderer->doc .= '<text:span>' . $this->getLang ( 'geotag_desc' ) . ' ' . $placename . ': </text:span>'; 160 $renderer->monospace_open (); 161 $renderer->doc .= $lat . 'º;' . $lon . 'º' . $alt; 162 $renderer->monospace_close (); 163 $renderer->p_close (); 164 return true; 165 } 166 return false; 167 } 168 169 /** 170 * Calculate the geohash for this lat/lon pair. 171 * 172 * @param float $lat 173 * @param float $lon 174 */ 175 private function _geohash($lat, $lon) { 176 if (! $geophp = &plugin_load ( 'helper', 'geophp' )) { 177 dbglog ( $geophp, 'syntax_plugin_geotag_geotag::_geohash: geophp plugin is not available.' ); 178 return ""; 179 } 180 $_lat = floatval ( $lat ); 181 $_lon = floatval ( $lon ); 182 $geometry = new Point ( $_lon, $_lat ); 183 return $geometry->out ( 'geohash' ); 184 } 185} 186
