JS for the Index.html WebFrontend

Docs/WebFrontend/Map.js

@@ -0,0 +1,149 @@
+/*
+ *  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: Map.js
+ * Description: JS file to show a map, for markers, left slide div, ...
+ *
+ * @author Pascal Neis, pascal@neis-one.org 
+ * @version 0.1 2011-05-15
+ */
+
+//======================
+// OBJECTS
+//Map
+var map;
+
+//Status object for what position actually a coordinate is searched
+var status = ''; //possible values [start,end]
+function getStatus(){ return status; }
+function setStatus(stat){ status = stat; }
+
+//Layer
+var dragLayer;
+var vectorLayerRoute;
+var markersLayer;
+
+//======================
+// FUNCTIONS
+/*
+ * init()-Function to create the map div
+ */
+function init(){
+	//Create Map
+	map = new OpenLayers.Map ("map", {
+		controls:[
+			new OpenLayers.Control.Navigation(),
+			new OpenLayers.Control.Permalink(),
+			new OpenLayers.Control.LayerSwitcher()],
+		maxExtent: new OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
+		maxResolution: 156543.0399,
+		numZoomLevels: 19,
+		units: 'm',
+		projection: new OpenLayers.Projection("EPSG:900913"),
+		displayProjection: new OpenLayers.Projection("EPSG:4326")
+	} );
+	//Add the base layers.
+	map.addLayer(new OpenLayers.Layer.OSM.Mapnik("Mapnik"));
+	map.addLayer(new OpenLayers.Layer.OSM.MapQuest("MapQuest"));
+	map.addLayer(new OpenLayers.Layer.OSM.Osmarender("Osmarender"));
+	//Add layer for the route
+	vectorLayerRoute = new OpenLayers.Layer.Vector("Route",{maxResolution: 156543.0339});
+	map.addLayer(vectorLayerRoute);
+	
+	//Add Layerswitcher
+	map.addControl(new OpenLayers.Control.LayerSwitcher());
+
+	//Add Panzoombar
+	var panZoomBar = new OpenLayers.Control.PanZoomBar({id:'panzoombar',displayClass:'olControlPanZoomBar'})
+	map.addControl(panZoomBar);	
+	//Customize the position of the panzoombar
+	document.getElementById('panzoombar').style.left="400px";
+	document.getElementById('panzoombar').style.top="25px";
+
+	//Create drag vector layer
+	dragLayer = new OpenLayers.Layer.Vector(
+                "Start/End Marker",{
+                    styleMap: new OpenLayers.StyleMap({
+                        // Set the external graphic and background graphic images.
+                        externalGraphic: '${icon}',
+                        // Makes sure the background graphic is placed correctly relative
+                        // to the external graphic.
+                        backgroundXOffset: 0,
+                        backgroundYOffset: -7,
+                        
+                        // Set the z-indexes of both graphics to make sure the background
+                        // graphics stay in the background (shadows on top of markers looks
+                        // odd; let's not do that).
+                        graphicZIndex: 10,
+                        backgroundGraphicZIndex: 11,
+
+                        pointRadius: 10,
+                        graphicWidth: 22,
+                        graphicHeight: 34
+                    }),
+                    rendererOptions: {yOrdering: true}
+                }
+           );
+    // Add a drag feature control to move features around.
+    var dragFeatures = new OpenLayers.Control.DragFeature(dragLayer,
+		{ onDrag: function(feature, pixel){
+			feature.move(map.getLonLatFromPixel(pixel));
+			if(!ISCALCULATING){ routing(true); }},
+		  onComplete: function(feature, pixel){
+			feature.move(map.getLonLatFromPixel(pixel));
+			if(!ISCALCULATING){ routing(false); }},
+		  onLeave: function(f){
+		  	alert("here");
+			if(!ISCALCULATING){ routing(false); }}
+		});
+    map.addControl(dragFeatures);
+    dragFeatures.activate();
+	map.addLayers([dragLayer]);
+
+	//Add a marker layer
+	markersLayer = new OpenLayers.Layer.Markers("Markers");
+    map.addLayer(markersLayer);
+    
+	//Add zoom event for rerouting
+	map.events.on({zoomend: function(e) {reroute();}});
+	
+	// Set center of the map
+	if (!map.getCenter()){
+		map.setCenter(new OpenLayers.LonLat(600000, 6600000),6);
+	}
+}
+
+//Helper Functions
+function checkReturn(textfieldname,e){
+	var evt = e || window.event;
+	if(!evt){ return; }
+		
+	var key = 0;
+	if (evt.keyCode) { key = evt.keyCode; } 
+	else if (typeof(evt.which)!= 'undefined') { key = evt.which; } 
+	if( key == 13 && textfieldname=='start'){ setStatus('start'); geocodeAddress('start'); return; }
+	if( key == 13 && textfieldname=='end'){ setStatus('end'); geocodeAddress('end'); return; }
+}
+
+function closeOpenDiv(name){ 
+	if(document.getElementById(name).style.display == 'none'){ document.getElementById(name).style.display = ''; }
+	else{ document.getElementById(name).style.display = 'none'; }
+}