#203 Make it possible to use zoomOffset

pom.xml

@@ -353,7 +353,7 @@
         <dependency>
             <groupId>org.peimari</groupId>
             <artifactId>g-leaflet</artifactId>
-            <version>1.0.15</version>
+            <version>1.0.15-SNAPSHOT</version>
             <!-- Only needed during widgetset compilation, so provided scope would 
             be great for this, but with it is left out from widgetset compilation by 
             vaadin plugin -->

src/main/java/org/vaadin/addon/leaflet/LGridLayer.java

@@ -27,6 +27,14 @@ protected LeafletGridLayerState getState() {
         return (LeafletGridLayerState) super.getState();
     }
 
+    public Integer getTileSize() {
+        return getState().tileSize;
+    }
+
+    public void setTileSize(Integer tileSize) {
+        getState().tileSize = tileSize;
+    }
+
     public String getAttributionString() {
         return getState().attributionString;
     }

src/main/java/org/vaadin/addon/leaflet/LTileLayer.java

@@ -68,6 +68,14 @@ public void setSubDomains(String... string) {
         getState().subDomains = string;
     }
 
+    public Integer getZoomOffset() {
+        return getState().zoomOffset;
+    }
+
+    public void setZoomOffset(Integer zoomOffset) {
+        getState().zoomOffset = zoomOffset;
+    }
+
     public Map<String, String> getCustomOptions() {
         return getState().customOptions;
     }

src/main/java/org/vaadin/addon/leaflet/client/LeafletGridLayerConnector.java

@@ -22,6 +22,9 @@ protected GridLayerOptions createOptions() {
         GridLayerOptions o = GridLayerOptions.create();
         LeafletGridLayerState s = getState();
 
+        if (s.tileSize != null) {
+            o.setTileSize(s.tileSize);
+        }
         if (s.attributionString != null) {
             o.setAttribution(s.attributionString);
         }

src/main/java/org/vaadin/addon/leaflet/client/LeafletTileLayerConnector.java

@@ -35,6 +35,9 @@ protected TileLayerOptions createOptions() {
         if (s.tms != null && s.tms) {
             o.setTms(true);
         }
+        if (s.zoomOffset != null) {
+            o.setZoomOffset(s.zoomOffset);
+        }
         if (s.customOptions != null) {
             for (String keyName : s.customOptions.keySet()) {
                 o.setCustomOption(keyName, s.customOptions.get(keyName));

src/main/java/org/vaadin/addon/leaflet/shared/LeafletGridLayerState.java

@@ -2,6 +2,7 @@
 
 public class LeafletGridLayerState extends AbstractLeafletComponentState {
 
+    public Integer tileSize;
     public Double opacity;
     public Integer zIndex;
     public Bounds bounds;

src/main/java/org/vaadin/addon/leaflet/shared/LeafletTileLayerState.java

@@ -10,6 +10,7 @@ public class LeafletTileLayerState extends LeafletGridLayerState {
     public Integer minZoom;
     public Integer maxZoom;
     public String[] subDomains;
+    public Integer zoomOffset;
     public Map<String, String> customOptions;
 
 }

src/test/java/org/vaadin/addon/leaflet/demoandtestapp/BasicTest.java

@@ -136,6 +136,8 @@ public Component getTestComponent() {
 
 		LTileLayer pk = new LTileLayer();
 		pk.setUrl("https://{s}.kartat.kapsi.fi/peruskartta/{z}/{x}/{y}.png");
+		pk.setZoomOffset(0);
+		pk.setTileSize(256);
 		pk.setAttributionString("Maanmittauslaitos, hosted by kartat.kapsi.fi");
 		pk.setMaxZoom(18);
 		pk.setSubDomains("tile2");