# HG changeset patch
# User Sebastian Kruse <skruse@mpiwg-berlin.mpg.de>
# Date 1355499216 -3600
# Node ID eac73bf1ce6ea61516f3855514aab3df2eee8172
# Parent  6f2d2b6f969a35d3b2c8bc2076cd9bf8f36c3a4d
add overlay functionality (beta)

diff -r 6f2d2b6f969a -r eac73bf1ce6e src/econnect/wp3_3/client/core/StiConstants.java
--- a/src/econnect/wp3_3/client/core/StiConstants.java	Fri Dec 14 16:32:55 2012 +0100
+++ b/src/econnect/wp3_3/client/core/StiConstants.java	Fri Dec 14 16:33:36 2012 +0100
@@ -67,6 +67,9 @@
   @DefaultStringValue("Choose from different map types")
   String mapLayers();
 
+  @DefaultStringValue("Choose from different overlay types")
+  String overlayLayers();
+
   @DefaultStringValue("Animation Control for a selected time range")
   String animation0();
 
diff -r 6f2d2b6f969a -r eac73bf1ce6e src/econnect/wp3_3/client/widgets/map/Map.java
--- a/src/econnect/wp3_3/client/widgets/map/Map.java	Fri Dec 14 16:32:55 2012 +0100
+++ b/src/econnect/wp3_3/client/widgets/map/Map.java	Fri Dec 14 16:33:36 2012 +0100
@@ -140,14 +140,49 @@
 		    		  maps.setUrl(constants.mapsImage());
 		    	  }
 		      }
-		    });		    
-			    
-	    final Grid controlGrid = new Grid(5,1);
+		    });    
+
+	    //TODO: add correct (better) image
+	    final Image overlay = new Image(constants.addImage());
+		final MenuBar overlayMenu = new MenuBar(true);
+
+		overlayMenu.setAnimationEnabled(true);
+		//TODO: add overlays from data
+	    //for( int i=0; i<this.jsMap.getMapCount(); i++ ){
+	    //	final int index = i;
+		overlayMenu.addItem("Limes", new Command() {
+			      public void execute() {
+			    	  jsMap.setOverlay(0);
+			    	  RootPanel.get().remove(overlayMenu);
+			    	  overlay.setUrl(constants.addImage());
+			      }
+			    });
+	    //}
+		overlayMenu.addStyleName("zHigh");
+	    
+	    overlay.setTitle(textConstants.overlayLayers());
+	    overlay.addClickHandler(new ClickHandler() {
+		      public void onClick(ClickEvent event) {
+		    	  if( !RootPanel.get().remove(overlay) ){
+		    		  //TODO: set correct (better) image
+		    		  overlay.setUrl(constants.addClickImage());
+		    		  int left = overlay.getParent().getAbsoluteLeft() + overlay.getParent().getOffsetWidth() + 3;
+		    		  int top = overlay.getAbsoluteTop();
+		    		  RootPanel.get().add(overlayMenu, left, top);
+		    	  }
+		    	  else {
+		    		  overlay.setUrl(constants.addImage());
+		    	  }
+		      }
+		    });
+	    
+	    final Grid controlGrid = new Grid(6,1);
 	    controlGrid.setWidget(1, 0, maps);
 	    controlGrid.setWidget(2, 0, this.navigate.getButton());
 	    controlGrid.setWidget(3, 0, drilldown);
 //	    controlGrid.setWidget(4, 0, add.getButton());
-	    controlGrid.setWidget(4, 0, connections);
+	    controlGrid.setWidget(4, 0, overlay);
+	    controlGrid.setWidget(5, 0, connections);
 
 	    final int levels = this.jsMap.getNumZoomLevels();
 	    DivElement zoomDiv = Document.get().createDivElement();
diff -r 6f2d2b6f969a -r eac73bf1ce6e src/econnect/wp3_3/client/widgets/map/StiMap.java
--- a/src/econnect/wp3_3/client/widgets/map/StiMap.java	Fri Dec 14 16:32:55 2012 +0100
+++ b/src/econnect/wp3_3/client/widgets/map/StiMap.java	Fri Dec 14 16:33:36 2012 +0100
@@ -65,6 +65,15 @@
 	}-*/;
 
 	/**
+	 * Setter for the top base layer
+	 * 
+	 * @param index the index of the base layer to set
+	*/
+	public final native void setOverlay( int index ) /*-{
+		this.setOverlay(index);
+	}-*/;
+	
+	/**
 	 * Getter for the number of zoom levels; depends on the number of zoomlevels which is coded in the js source
 	 * 
 	 * @return the number of zoom levels
diff -r 6f2d2b6f969a -r eac73bf1ce6e war/scripts/sti/STIMap.js
--- a/war/scripts/sti/STIMap.js	Fri Dec 14 16:32:55 2012 +0100
+++ b/war/scripts/sti/STIMap.js	Fri Dec 14 16:33:36 2012 +0100
@@ -14,6 +14,7 @@
     this.container = container; 
     this.openlayersMap;
     this.baseLayers;
+    this.overlayLayers;
     this.objectLayer;
     this.drilldownLayer;
     this.connectionLayer;
@@ -53,6 +54,8 @@
      * it includes setting up all layers of the map and defines all map specific interaction possibilities
      */
     initialize: function(){
+    	
+    	this.overlayLayers = new Array();
 
         //OpenLayers.ProxyHost = "/cgi-bin/proxy.cgi?url=";
         var map = this;
@@ -578,7 +581,6 @@
         if( this.core.props.historicMaps ){
         	this.setCanvas();
         }
-        
     },
     
     /**
@@ -1365,6 +1367,34 @@
 		this.openlayersMap.zoomTo(Math.floor(this.openlayersMap.getZoom()+0.05));
 		this.openlayersMap.setBaseLayer(this.baseLayers[index]);
 	},
+	
+	setOverlay: function(index){
+
+		if (this.overlayLayers[index] instanceof OpenLayers.Layer.Vector) {
+
+			this.openlayersMap.removeLayer(this.overlayLayers[index]);
+			this.overlayLayers[index] = null;
+			
+		} else {
+			
+			var limesLayer = new OpenLayers.Layer.Vector("KML", {
+				projection: this.openlayersMap.displayProjection,
+	            strategies: [new OpenLayers.Strategy.Fixed()],
+	            protocol: new OpenLayers.Protocol.HTTP({
+	                url: "data/overlay/limes.kml",
+	                format: new OpenLayers.Format.KML({
+	                    extractStyles: true,
+	                    extractAttributes: true
+	                })
+	            })
+	        });
+	        this.openlayersMap.addLayer(limesLayer);
+	        
+	        this.overlayLayers[index] = limesLayer;
+	        
+	        //limesLayer.setVisibility(true);
+		}
+	},		
 
 	configure: function(zoom,cLon,cLat,mapId){
 		this.openlayersMap.zoomTo(zoom);