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<?php
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/*
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* Copyright (c) 2011-2016 Mark C. Prins <[email protected]>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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if (!defined('DOKU_INC')) { |
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die (); |
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} |
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if (!defined('DOKU_PLUGIN')) { |
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define('DOKU_PLUGIN', DOKU_INC . 'lib/plugins/'); |
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} |
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if (!defined('DOKU_LF')) { |
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define('DOKU_LF', "\n"); |
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} |
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require_once (DOKU_PLUGIN . 'action.php');
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/**
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* DokuWiki Plugin dokuwikispatial (Action Component).
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*
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* @license BSD license
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* @author Mark C. Prins <[email protected]>
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*/
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class action_plugin_spatialhelper extends DokuWiki_Action_Plugin {
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/**
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* Register for events.
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*
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* @param Doku_Event_Handler $controller
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* DokuWiki's event controller object. Also available as global $EVENT_HANDLER
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*/
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public function register(Doku_Event_Handler $controller) {
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// listen for page add / delete events
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// http://www.dokuwiki.org/devel:event:indexer_page_add
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$controller->register_hook('INDEXER_PAGE_ADD', 'BEFORE', $this, 'handle_indexer_page_add');
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$controller->register_hook('IO_WIKIPAGE_WRITE', 'BEFORE', $this, '_removeFromIndex');
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// http://www.dokuwiki.org/devel:event:sitemap_generate
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$controller->register_hook('SITEMAP_GENERATE', 'BEFORE', $this, 'handle_sitemap_generate_before');
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// using after will only trigger us if a sitemap was actually created
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$controller->register_hook('SITEMAP_GENERATE', 'AFTER', $this, 'handle_sitemap_generate_after');
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// handle actions we know of
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$controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_action_act_preprocess', array());
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// handle HTML eg. /dokuwiki/doku.php?id=start&do=findnearby&geohash=u15vk4
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$controller->register_hook('TPL_ACT_UNKNOWN', 'BEFORE', $this, '_findnearby', array(
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'format' => 'HTML'
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));
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// handles AJAX/json eg: jQuery.post("/dokuwiki/lib/exe/ajax.php?id=start&call=findnearby&geohash=u15vk4");
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$controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, '_findnearby', array(
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'format' => 'JSON'
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));
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// listen for media uploads and deletes
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$controller->register_hook('MEDIA_UPLOAD_FINISH', 'BEFORE', $this, '_handle_media_uploaded', array());
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$controller->register_hook('MEDIA_DELETE_FILE', 'BEFORE', $this, '_handle_media_deleted', array());
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$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this, 'handle_metaheader_output');
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}
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/**
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* Update the spatial index for the page.
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*
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* @param Doku_Event $event
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* event object by reference
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* @param object $param
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* the parameters passed to register_hook when this handler was registered
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*/
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function handle_indexer_page_add(Doku_Event $event, $param) {
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// $event→data['page'] – the page id
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// $event→data['body'] – empty, can be filled by additional content to index by your plugin
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// $event→data['metadata'] – the metadata that shall be indexed. This is an array where the keys are the metadata indexes and the value a string or an array of strings with the values. title and relation_references will already be set.
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$id = $event->data ['page'];
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$indexer = & plugin_load('helper', 'spatialhelper_index');
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$entries = $indexer->updateSpatialIndex($id);
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}
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/**
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* Update the spatial index, removing the page.
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*
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* @param Doku_Event $event
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* event object by reference
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* @param object $param
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* the parameters passed to register_hook when this handler was registered
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*/
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function _removeFromIndex(Doku_Event & $event, $param) {
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// event data:
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// $data[0] – The raw arguments for io_saveFile as an array. Do not change file path.
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// $data[0][0] – the file path.
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// $data[0][1] – the content to be saved, and may be modified.
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// $data[1] – ns: The colon separated namespace path minus the trailing page name. (false if root ns)
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// $data[2] – page_name: The wiki page name.
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// $data[3] – rev: The page revision, false for current wiki pages.
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// dbglog ( $event->data, "Event data in _removeFromIndex." );
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if (@file_exists($event->data [0] [0])) {
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// file not new
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if (!$event->data [0] [1]) {
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// file is empty, page is being deleted
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if (empty ($event->data [1])) {
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// root namespace
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$id = $event->data [2];
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} else {
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$id = $event->data [1] . ":" . $event->data [2];
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}
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$indexer = & plugin_load('helper', 'spatialhelper_index');
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if ($indexer) {
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$indexer->deleteFromIndex($id);
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}
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}
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}
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}
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/**
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* Add a new SitemapItem object that points to the KML of public geocoded pages.
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*
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* @param Doku_Event $event
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* @param unknown $param
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*/
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function handle_sitemap_generate_before(Doku_Event $event, $param) {
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$path = mediaFN($this->getConf('media_kml'));
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$lastmod = @filemtime($path);
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$event->data ['items'] [] = new SitemapItem(ml($this->getConf('media_kml'), '', true, '&', true), $lastmod);
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// dbglog ( $event->data ['items'], "Added a new SitemapItem object that points to the KML of public geocoded pages." );
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}
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/**
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* Create a spatial sitemap or attach the geo/kml map to the sitemap.
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*
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* @param Doku_Event $event
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* event object by reference, not used
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* @param mixed $param
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* parameter array, not used
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*/
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function handle_sitemap_generate_after(Doku_Event $event, $param) {
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// $event→data['items']: Array of SitemapItem instances, the array of sitemap items that already contains all public pages of the wiki
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// $event→data['sitemap']: The path of the file the sitemap will be saved to.
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// dbglog ($event->data['items'], "createSpatialSitemap loading helper" );
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if ($helper = & plugin_load('helper', 'spatialhelper_sitemap')) {
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// dbglog ( $helper, "createSpatialSitemap loaded helper." );
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$kml = $helper->createKMLSitemap($this->getConf('media_kml'));
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$rss = $helper->createGeoRSSSitemap($this->getConf('media_georss'));
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return $kml && $rss;
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} else {
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// dbglog ( $helper, "createSpatialSitemap NOT loaded helper." );
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}
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}
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/**
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* trap findnearby action.
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* This addional handler is required as described at: https://www.dokuwiki.org/devel:event:tpl_act_unknown
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*
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* @param Doku_Event $event
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* event object by reference
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* @param mixed $param
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* not used
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*/
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function handle_action_act_preprocess(Doku_Event $event, $param) {
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if ($event->data != 'findnearby') { |
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return; |
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} |
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$event->preventDefault();
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}
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/**
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* handle findnearby action.
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*
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* @param Doku_Event $event
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* event object by reference
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* @param mixed $param
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* associative array with keys
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* 'format'=> HTML | JSON
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*/
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function _findnearby(Doku_Event & $event, $param) {
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if ($event->data != 'findnearby') { |
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return; |
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} |
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$event->preventDefault();
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global $INPUT;
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if ($helper = & plugin_load('helper', 'spatialhelper_search')) {
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if ($INPUT->has('lat') && $INPUT->has('lon')) {
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$results = $helper->findNearbyLatLon($INPUT->param('lat'), $INPUT->param('lon'));
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} elseif ($INPUT->has('geohash')) {
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$results = $helper->findNearby($INPUT->str('geohash'));
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} else {
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$results = array(
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'error' => hsc($this->getLang('invalidinput'))
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);
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}
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}
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$showMedia = $INPUT->bool('showMedia', true);
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switch ($param['format']) {
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case 'JSON' :
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$this->printJSON($results);
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break;
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case 'HTML' :
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// fall through to default
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default :
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$this->printHTML($results, $showMedia);
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break;
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}
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}
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/**
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* Print seachresults as HTML lists.
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*
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* @param array $searchresults
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*/
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private function printJSON($searchresults) {
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226
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require_once DOKU_INC . 'inc/JSON.php';
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$json = new JSON();
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header('Content-Type: application/json');
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print $json->encode($searchresults);
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}
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/**
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* Print seachresults as HTML lists.
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*
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235
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* @param array $searchresults
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236
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* @param boolean $showMedia
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237
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*/
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private function printHTML($searchresults, $showMedia = true) {
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$pages = ( array ) ($searchresults ['pages']);
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$media = ( array ) $searchresults ['media'];
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$lat = ( float ) $searchresults ['lat'];
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$lon = ( float ) $searchresults ['lon'];
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$geohash = ( string ) $searchresults ['geohash'];
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245
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if (isset ($searchresults ['error'])) {
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print '<div class="level1"><p>' . hsc($results ['error']) . '</p></div>';
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247
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return;
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}
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249
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250
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// print a HTML list
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print '<h1>' . $this->getLang('results_header') . '</h1>' . DOKU_LF;
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print '<div class="level1">' . DOKU_LF;
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if (!empty ($pages)) {
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254
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$pagelist = '<ol>' . DOKU_LF;
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255
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foreach ($pages as $page) {
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256
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$pagelist .= '<li>' . html_wikilink(':' . $page ['id'], useHeading('navigation') ? null : noNS($page ['id'])) . ' (' . $this->getLang('results_distance_prefix') . $page ['distance'] . ' m) ' . $page ['description'] . '</li>' . DOKU_LF;
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257
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}
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258
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$pagelist .= '</ol>' . DOKU_LF;
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print '<h2>' . $this->getLang('results_pages') . hsc(' lat;lon: ' . $lat . ';' . $lon . ' (geohash: ' . $geohash . ')') . '</h2>';
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print '<div class="level2">' . DOKU_LF;
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print $pagelist;
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263
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print '</div>' . DOKU_LF;
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264
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} else {
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print '<p>' . hsc($this->getLang('nothingfound')) . '</p>';
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266
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}
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267
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268
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|
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if (!empty ($media) && $showMedia) {
|
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269
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|
|
$pagelist = '<ol>' . DOKU_LF;
|
|
270
|
|
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foreach ($media as $m) {
|
|
271
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|
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$opts = array();
|
|
272
|
|
|
$link = ml($m ['id'], $opts, false, '&', false);
|
|
273
|
|
|
$opts ['w'] = '100';
|
|
274
|
|
|
$src = ml($m ['id'], $opts);
|
|
275
|
|
|
$pagelist .= '<li><a href="' . $link . '"><img src="' . $src . '"></a> (' . $this->getLang('results_distance_prefix') . $page ['distance'] . ' m) ' . hsc($desc) . '</li>' . DOKU_LF;
|
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|
|
|
276
|
|
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}
|
|
277
|
|
|
$pagelist .= '</ol>' . DOKU_LF;
|
|
278
|
|
|
|
|
279
|
|
|
print '<h2>' . $this->getLang('results_media') . hsc(' lat;lon: ' . $lat . ';' . $lon . ' (geohash: ' . $geohash . ')') . '</h2>' . DOKU_LF;
|
|
280
|
|
|
print '<div class="level2">' . DOKU_LF;
|
|
281
|
|
|
print $pagelist;
|
|
282
|
|
|
print '</div>' . DOKU_LF;
|
|
283
|
|
|
}
|
|
284
|
|
|
print '<p>' . $this->getLang('results_precision') . $searchresults ['precision'] . ' m. ';
|
|
285
|
|
|
if (strlen($geohash) > 1) {
|
|
286
|
|
|
$url = wl(getID(), array(
|
|
287
|
|
|
'do' => 'findnearby',
|
|
288
|
|
|
'geohash' => substr($geohash, 0, - 1)
|
|
289
|
|
|
));
|
|
290
|
|
|
print '<a href="' . $url . '" class="findnearby">' . $this->getLang('search_largerarea') . '</a>.</p>' . DOKU_LF;
|
|
291
|
|
|
}
|
|
292
|
|
|
print '</div>' . DOKU_LF;
|
|
293
|
|
|
}
|
|
294
|
|
|
|
|
295
|
|
|
/**
|
|
|
|
|
|
|
296
|
|
|
* add media to spatial index.
|
|
297
|
|
|
*
|
|
298
|
|
|
* @param Doku_Event $event
|
|
299
|
|
|
* event object by reference
|
|
300
|
|
|
* @param unknown $param
|
|
301
|
|
|
*/
|
|
302
|
|
|
function _handle_media_uploaded(Doku_Event & $event, $param) {
|
|
|
|
|
|
|
303
|
|
|
// data[0] temporary file name (read from $_FILES)
|
|
304
|
|
|
// data[1] file name of the file being uploaded
|
|
305
|
|
|
// data[2] future directory id of the file being uploaded
|
|
306
|
|
|
// data[3] the mime type of the file being uploaded
|
|
307
|
|
|
// data[4] true if the uploaded file exists already
|
|
308
|
|
|
// data[5] (since 2011-02-06) the PHP function used to move the file to the correct location
|
|
309
|
|
|
|
|
310
|
|
|
// dbglog ( $event->data, "_handle_media_uploaded::event data" );
|
|
311
|
|
|
|
|
312
|
|
|
// check the list of mimetypes
|
|
313
|
|
|
// if it's a supported type call appropriate index function
|
|
|
|
|
|
|
314
|
|
|
if (substr_compare($event->data [3], 'image/jpeg', 0)) {
|
|
315
|
|
|
$indexer = plugin_load('helper', 'spatialhelper_index');
|
|
316
|
|
|
if ($indexer) {
|
|
317
|
|
|
$indexer->indexImage($event->data [2], $event->data [1]);
|
|
318
|
|
|
}
|
|
|
|
|
|
|
319
|
|
|
}
|
|
320
|
|
|
// TODO add image/tiff
|
|
321
|
|
|
// TODO kml, gpx, geojson...
|
|
322
|
|
|
}
|
|
323
|
|
|
|
|
324
|
|
|
/**
|
|
325
|
|
|
* removes the media from the index.
|
|
326
|
|
|
*/
|
|
327
|
|
|
function _handle_media_deleted(Doku_Event & $event, $param) {
|
|
|
|
|
|
|
328
|
|
|
// data['id'] ID data['unl'] unlink return code
|
|
329
|
|
|
// data['del'] Namespace directory unlink return code
|
|
330
|
|
|
// data['name'] file name data['path'] full path to the file
|
|
331
|
|
|
// data['size'] file size
|
|
332
|
|
|
|
|
333
|
|
|
// dbglog ( $event->data, "_handle_media_deleted::event data" );
|
|
334
|
|
|
|
|
335
|
|
|
// remove the media id from the index
|
|
336
|
|
|
$indexer = & plugin_load('helper', 'spatialhelper_index');
|
|
337
|
|
|
if ($indexer) {
|
|
338
|
|
|
$indexer->deleteFromIndex('media__' . $event->data ['id']);
|
|
339
|
|
|
}
|
|
340
|
|
|
}
|
|
341
|
|
|
|
|
342
|
|
|
/**
|
|
343
|
|
|
* add a link to the spatial sitemap files in the header.
|
|
344
|
|
|
*
|
|
345
|
|
|
* @param Doku_Event $event
|
|
346
|
|
|
* the DokuWiki event. $event->data is a two-dimensional
|
|
347
|
|
|
* array of all meta headers. The keys are meta, link and script.
|
|
348
|
|
|
* @param unknown_type $param
|
|
349
|
|
|
*
|
|
350
|
|
|
* @see http://www.dokuwiki.org/devel:event:tpl_metaheader_output
|
|
351
|
|
|
*/
|
|
352
|
|
|
public function handle_metaheader_output(Doku_Event $event, $param) {
|
|
353
|
|
|
// TODO maybe test for exist
|
|
354
|
|
|
$event->data ["link"] [] = array(
|
|
355
|
|
|
"type" => "application/atom+xml",
|
|
356
|
|
|
"rel" => "alternate",
|
|
357
|
|
|
"href" => ml($this->getConf('media_georss')),
|
|
358
|
|
|
"title" => "Spatial ATOM Feed"
|
|
359
|
|
|
);
|
|
360
|
|
|
$event->data ["link"] [] = array(
|
|
361
|
|
|
"type" => "application/vnd.google-earth.kml+xml",
|
|
362
|
|
|
"rel" => "alternate",
|
|
363
|
|
|
"href" => ml($this->getConf('media_kml')),
|
|
364
|
|
|
"title" => "KML Sitemap"
|
|
365
|
|
|
);
|
|
366
|
|
|
}
|
|
367
|
|
|
|
|
368
|
|
|
/**
|
|
369
|
|
|
* Calculate a new coordinate based on start, distance and bearing
|
|
370
|
|
|
*
|
|
371
|
|
|
* @param $start array
|
|
372
|
|
|
* - start coordinate as decimal lat/lon pair
|
|
373
|
|
|
* @param $dist float
|
|
374
|
|
|
* - distance in kilometers
|
|
375
|
|
|
* @param $brng float
|
|
376
|
|
|
* - bearing in degrees (compass direction)
|
|
377
|
|
|
*/
|
|
378
|
|
|
private function _geo_destination($start, $dist, $brng) {
|
|
|
|
|
|
|
379
|
|
|
$lat1 = _toRad($start [0]);
|
|
380
|
|
|
$lon1 = _toRad($start [1]);
|
|
381
|
|
|
// http://en.wikipedia.org/wiki/Earth_radius
|
|
382
|
|
|
// average earth radius in km
|
|
383
|
|
|
$dist = $dist / 6371.01;
|
|
384
|
|
|
$brng = _toRad($brng);
|
|
385
|
|
|
|
|
386
|
|
|
$lon2 = $lon1 + atan2(sin($brng) * sin($dist) * cos($lat1), cos($dist) - sin($lat1) * sin($lat2));
|
|
|
|
|
|
|
387
|
|
|
$lon2 = fmod(($lon2 + 3 * pi()), (2 * pi())) - pi();
|
|
388
|
|
|
|
|
389
|
|
|
return array(
|
|
390
|
|
|
_toDeg($lat2),
|
|
391
|
|
|
_toDeg($lon2)
|
|
392
|
|
|
);
|
|
393
|
|
|
}
|
|
394
|
|
|
private function _toRad($deg) {
|
|
|
|
|
|
|
395
|
|
|
return $deg * pi() / 180;
|
|
396
|
|
|
}
|
|
397
|
|
|
private function _toDeg($rad) {
|
|
|
|
|
|
|
398
|
|
|
return $rad * 180 / pi();
|
|
399
|
|
|
}
|
|
400
|
|
|
}
|
|
401
|
|
|
|
mprins /
dokuwiki-plugin-spatialhelper
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