*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
* Plugin OL Maps: Allow Display of a OpenLayers Map in a wiki page.
*
* @author Mark Prins
*/
if (!defined('DOKU_INC'))
define('DOKU_INC', realpath(dirname(__FILE__) . '/../../') . '/');
if (!defined('DOKU_PLUGIN'))
define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/');
require_once (DOKU_PLUGIN . 'syntax.php');
/**
* All DokuWiki plugins to extend the parser/rendering mechanism
* need to inherit from this class
*/
class syntax_plugin_openlayersmap_olmap extends DokuWiki_Syntax_Plugin {
/** defaults of the recognized attributes of the olmap tag. */
private $dflt = array (
'id' => 'olmap',
'width' => '550px',
'height' => '450px',
'lat' => 50.0,
'lon' => 5.1,
'zoom' => 12,
'toolbar' => true,
'statusbar' => true,
'controls' => true,
'poihoverstyle' => false,
'baselyr'=>'OpenStreetMap',
'gpxfile' => '',
'kmlfile' => ''
);
/**
* Return the type of syntax this plugin defines.
* @Override
*/
function getType() {
return 'substition';
}
/**
* Defines how this syntax is handled regarding paragraphs.
* @Override
*/
function getPType() {
return 'block';
}
/**
* Returns a number used to determine in which order modes are added.
* @Override
*/
function getSort() {
return 901;
}
/**
* This function is inherited from Doku_Parser_Mode.
* Here is the place to register the regular expressions needed
* to match your syntax.
* @Override
*/
function connectTo($mode) {
$this->Lexer->addSpecialPattern('\n]*>.*?', $mode, 'plugin_openlayersmap_olmap');
}
/**
* handle each olmap tag. prepare the matched syntax for use in the renderer.
* @Override
*/
function handle($match, $state, $pos, &$handler) {
// break matched cdata into its components
list ($str_params, $str_points) = explode('>', substr($match, 7, -9), 2);
// get the lat/lon for adding them to the metadata (used by geotag)
preg_match('(lat[:|=]\"\d*\.\d*\")',$match,$mainLat);
preg_match('(lon[:|=]\"\d*\.\d*\")',$match,$mainLon);
$mainLat=substr($mainLat[0],5,-1);
$mainLon=substr($mainLon[0],5,-1);
$gmap = $this->_extract_params($str_params);
$overlay = $this->_extract_points($str_points);
$mapid = $gmap['id'];
// determine width and height (inline styles) for the map image
if ($gmap['width'] || $gmap['height']) {
$style = $gmap['width'] ? 'width: ' . $gmap['width'] . ";" : "";
$style .= $gmap['height'] ? 'height: ' . $gmap['height'] . ";" : "";
$style = "style='$style'";
} else {
$style = '';
}
// unset gmap values for width and height - they don't go into javascript
unset ($gmap['width'], $gmap['height']);
// create a javascript parameter string for the map
$param = '';
foreach ($gmap as $key => $val) {
$param .= is_numeric($val) ? "$key:$val," : "$key:'" . hsc($val) . "',";
}
if (!empty ($param)) {
$param = substr($param, 0, -1);
}
unset ($gmap['id']);
// create a javascript serialisation of the point data
$poi = '';
if (!empty ($overlay)) {
foreach ($overlay as $data) {
list ($lat, $lon, $text, $angle, $opacity, $img) = $data;
$poi .= ",{lat: $lat, lon: $lon, txt: '$text', angle: $angle, opacity: $opacity, img: '$img'}";
}
$poi = substr($poi, 1);
}
$js .= "createMap({" . $param . " },[$poi]);";
return array (
$mapid,
$style,
$js,
$mainLat,
$mainLon
);
}
/**
* render html tag/output. render the content.
* @Override
*/
function render($mode, &$renderer, $data) {
static $initialised = false; // set to true after script initialisation
list ($mapid, $style, $param, $mainLat, $mainLon) = $data;
if ($mode == 'xhtml') {
$olscript = '';
$olEnable = false;
$gscript = '';
$gEnable = false;
$vscript = '';
$vEnable = false;
$yscript = '';
$yEnable = false;
$scriptEnable = '';
if (!$initialised) {
$initialised = true;
$gscript = $this->getConf('googleScriptUrl');
$gscript = $gscript ? '' : "";
$vscript = $this->getConf('veScriptUrl');
$vscript = $vscript ? '' : "";
$yscript = $this->getConf('yahooScriptUrl');
$yscript = $yscript ? '' : "";
$olscript = $this->getConf('olScriptUrl');
$olscript = $olscript ? '' : "";
$olscript = str_replace('DOKU_PLUGIN', DOKU_PLUGIN, $olscript);
$scriptEnable = '';
}
$renderer->doc .= "
$olscript
$gscript
$vscript
$yscript
$scriptEnable
";
} elseif ($mode == 'metadata') {
// render metadata if available
if (!(($this->dflt['lat']==$mainLat)||($thisdflt['lon']==$mainLon))){
// unless they are the default
$renderer->meta['geo']['lat'] = $mainLat;
$renderer->meta['geo']['lon'] = $mainLon;
}
return true;
}
return false;
}
/**
* extract parameters for the map from the parameter string
*
* @param string $str_params string of key="value" pairs
* @return array associative array of parameters key=>value
*/
function _extract_params($str_params) {
$param = array ();
preg_match_all('/(\w*)="(.*?)"/us', $str_params, $param, PREG_SET_ORDER);
// parse match for instructions, break into key value pairs
$gmap = $this->dflt;
foreach ($param as $kvpair) {
list ($match, $key, $val) = $kvpair;
$key = strtolower($key);
if (isset ($gmap[$key])){
$gmap[$key] = strtolower($val);
}
}
return $gmap;
}
/**
* extract overlay points for the map from the wiki syntax data
*
* @param string $str_points multi-line string of lat,lon,text triplets
* @return array multi-dimensional array of lat,lon,text triplets
*/
function _extract_points($str_points) {
$point = array ();
//preg_match_all('/^(.*?),(.*?),(.*?),(.*?),(.*?),(.*)$/um', $str_points, $point, PREG_SET_ORDER);
preg_match_all('/^([+-]?[0-9].*?),([+-]?[0-9].*?),(.*?),(.*?),(.*?),(.*)$/um', $str_points, $point, PREG_SET_ORDER);
// create poi array
$overlay = array ();
foreach ($point as $pt) {
list ($match, $lat, $lon, $angle, $opacity, $img, $text) = $pt;
$lat = is_numeric($lat) ? $lat : 0;
$lon = is_numeric($lon) ? $lon : 0;
$angle = is_numeric($angle) ? $angle : 0;
$opacity = is_numeric($opacity) ? $opacity : 0.8;
$img = trim($img);
// TODO validate & set up default img?
$text = addslashes(str_replace("\n", "", p_render("xhtml", p_get_instructions($text), $info)));
$overlay[] = array (
$lat,
$lon,
$text,
$angle,
$opacity,
$img
);
}
return $overlay;
}
}