add a json output format for hierarchy

diff --git a/website/hierarchy.php b/website/hierarchy.php
index 8562de3363bbb7d5e959a95d3847a0c6d768fc34..a900cde1b2d7747c22f0cf9c3759e60553cf903b 100755 (executable)
--- a/website/hierarchy.php
+++ b/website/hierarchy.php
@@ -6,14 +6,11 @@
        require_once(CONST_BasePath.'/lib/PlaceLookup.php');
 
        $sOutputFormat = 'html';
-       /*
-          $fLoadAvg = getLoadAverage();
-          if ($fLoadAvg > 3)
-          {
-          echo "Page temporarily blocked due to high server load\n";
-          exit;
-          }
-        */
+       if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
+       {
+               $sOutputFormat = $_GET['format'];
+       }
+
        ini_set('memory_limit', '200M');
 
        $oDB =& getDB();
@@ -67,14 +64,26 @@
        $oPlaceLookup->setPlaceId($iPlaceID);
 
        $aPlaceAddress = array_reverse($oPlaceLookup->getAddressDetails());
+       $aBreadcrums = array();
        foreach($aPlaceAddress as $i => $aPlace)
        {
                if (!$aPlace['place_id']) continue;
-               $sPlaceUrl = 'http://localhost/nominatim/details.php?place_id='.$aPlace['place_id'];
+               $aBreadcrums[] = array('placeId'=>$aPlace['place_id'], 'osmType'=>$aPlace['osm_type'], 'osmId'=>$aPlace['osm_id'], 'localName'=>$aPlace['localname']);
+               $sPlaceUrl = 'hierarchy.php?place_id='.$aPlace['place_id'];
                $sOSMType = ($aPlace['osm_type'] == 'N'?'node':($aPlace['osm_type'] == 'W'?'way':($aPlace['osm_type'] == 'R'?'relation':'')));
                 $sOSMUrl = 'http://www.openstreetmap.org/browse/'.$sOSMType.'/'.$aPlace['osm_id'];
-               if ($i) echo " > ";
-               echo '<a href="'.$sPlaceUrl.'">'.$aPlace['localname'].'</a> (<a href="'.$sOSMUrl.'">osm</a>)';
+               if ($sOutputFormat == 'html') if ($i) echo " > ";
+               if ($sOutputFormat == 'html') echo '<a href="'.$sPlaceUrl.'">'.$aPlace['localname'].'</a> (<a href="'.$sOSMUrl.'">osm</a>)';
+       }
+
+       $aDetails = array();
+       $aDetails['breadcrumbs'] = $aBreadcrums;
+
+       if ($sOutputFormat == 'json')
+       {
+               header("content-type: application/json; charset=UTF-8");
+               javascript_renderData($aDetails);
+               exit;
        }
 
        $aRelatedPlaceIDs = $oDB->getCol($sSQL = "select place_id from placex where linked_place_id = $iPlaceID or place_id = $iPlaceID");
@@ -121,7 +130,7 @@
                         echo ' (';
                         echo '<span class="area">'.($aAddressLine['isarea']=='t'?'Polygon':'Point').'</span>';
                         if ($sOSMType) echo ', <span class="osm"><span class="label"></span>'.$sOSMType.' <a href="http://www.openstreetmap.org/browse/'.$sOSMType.'/'.$aAddressLine['osm_id'].'">'.$aAddressLine['osm_id'].'</a></span>';
-                        echo ', <a href="details.php?place_id='.$aAddressLine['place_id'].'">GOTO</a>';
+                        echo ', <a href="hierarchy.php?place_id='.$aAddressLine['place_id'].'">GOTO</a>';
                         echo ', '.$aAddressLine['area'];
                         echo ')';
                         echo '</div>';