new import

2011-05-15 19:29:40 +00:00 · 2011-05-15 19:29:40 +00:00 · 1ff580d9eb
commit 1ff580d9eb
parent db9b65d7ed
1 changed files with 152 additions and 0 deletions
--- a/Docs/WebFrontend/Geocode.js
+++ b/Docs/WebFrontend/Geocode.js
@ -0,0 +1,152 @@
+/*
+ *  Open Source Routing Machine (OSRM) - Web (GUI) Interface
+ *	Copyright (C) Pascal Neis, 2011
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU AFFERO General Public License as published by
+ *	the Free Software Foundation; either version 3 of the License, or
+ *	any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ *
+ *	You should have received a copy of the GNU Affero General Public License
+ *	along with this program; if not, write to the Free Software
+ *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *	or see http://www.gnu.org/licenses/agpl.txt.
+ */
+ 
+/**
+ * Title: Geocode.js
+ * Description: JS file for geocoding
+ *
+ * @author Pascal Neis, pascal@neis-one.org 
+ * @version 0.1 2011-05-15
+ */
+
+//======================
+// OBJECTS
+var HOST_GEOCODE_URL = 'http://open.mapquestapi.com';
+var GEOCODE_POST = HOST_GEOCODE_URL + '/nominatim/v1/search?format=json&json_callback=showResultsGeocode';
+var searchType = 'search';
+
+var isStartPointSet = false;
+var isEndPointSet = false;
+
+//======================
+// FUNCTIONS
+/*
+ * geocodeAddress()-Function to read out textfield and send request to a OSM nominatim geocoder
+ */
+function geocodeAddress(tf){
+	var freeform;
+		
+	if(tf == 'start'){
+		freeform = document.getElementById('tfStartSearch').value;
+	}
+	if(tf == 'end'){
+		freeform = document.getElementById('tfEndSearch').value;
+	}
+
+	document.getElementById('information').style.visibility = 'visible';
+	document.getElementById('information').innerHTML =  '<p class="infoHL">One moment please ...</p>';
+
+
+    var newURL = GEOCODE_POST + "&q="+freeform;
+	var script = document.createElement('script');
+    script.type = 'text/javascript';
+    script.src = newURL;
+    document.body.appendChild(script);
+}
+
+/*
+ * showResultsGeocode()-Function to show the geocode result in a div
+ */
+function showResultsGeocode(response) {
+    var html = '';    
+    var lonlat = '';
+	
+	if(response){
+		html += '<p class="infoHL">Search Results:</p>';
+		html += '<table>'
+		var markername;
+		if(getStatus()=='start'){
+			markername = 'start'; isStartPointSet = true;
+		}
+		else if(getStatus()=='end'){
+			markername = 'end';	isEndPointSet = true;
+		}
+		
+		for(var i=0; i < response.length; i++){
+			var result = response[i]; var resultNum = i+1;			
+        	//odd or even ?
+        	var rowstyle='geocodeResultOdd';
+        	if(i%2==0){ rowstyle='geocodeResultEven'; }
+        	
+			html += '<tr class="'+rowstyle+'">';
+			html += '<td align="right" valign="top"><span class="routeSummarybold">'+resultNum+'</span></td>';
+			html += '<td class="'+rowstyle+'">';
+			if(result.display_name){
+				var new_display_name = result.display_name;//.replace(/,/g, ",<br />")
+				html += '<a href="#" onclick="javascript:markerzoom(\''+markername+'\', new OpenLayers.LonLat('+result.lon+','+result.lat+'));">'+new_display_name.trim()+'</a>';
+			}
+			html += "</td></tr>";
+			
+			//alert(result.lat + ", " + result.lon);
+			if(lonlat == ''){
+				lonlat = new OpenLayers.LonLat(result.lon,result.lat);
+			}
+		}		
+		html += '</table>';
+		
+		markerzoom(markername, lonlat);
+	}
+	
+    
+    switch (searchType) {
+		case "search":
+			document.getElementById('information').style.display = "";
+			document.getElementById('information').innerHTML = html;
+			break;
+	}
+}
+
+/*
+ * markerzoom()-Function to set a marker on the map
+ */
+function markerzoom(markername,lonlat){
+	lonlat.transform(new OpenLayers.Projection("EPSG:4326"), new OpenLayers.Projection("EPSG:900913"));
+	for(var i= 0; i<dragLayer.features.length; i++){
+		if(dragLayer.features[i].name == markername){ dragLayer.removeFeatures([dragLayer.features[i]]); }	
+	}
+	var point = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(lonlat.lon, lonlat.lat));
+	point.attributes = { icon: "img/start.png" };
+
+	if(markername == 'start'){
+		point.attributes = { icon: "img/start.png" };
+	}
+	else if(markername == 'end'){
+		point.attributes = { icon: "img/end.png" };
+	}
+		
+	point.name = markername;
+	dragLayer.addFeatures([point]);
+
+	//Hack - FIXME !
+	lonlat.lon -= 500;
+	//Set Center
+	map.setCenter(lonlat, 15);
+}
+
+/*
+ * getMarkerByName()-Function to return the marker-object by a name
+ */
+function getMarkerByName(markerName){
+	for(var i= 0; i<dragLayer.features.length; i++){
+		if(dragLayer.features[i].name == markerName){
+			return dragLayer.features[i];
+		}
+	}
+}