Add STAMEN layer. Patch by Slawek MIKULA.

Nasal/canvas/MapStructure.nas

@@ -83,7 +83,7 @@ var MapStructure_selfTest = func() {
 		TestMap.addLayer(factory: canvas.SymbolLayer, type_arg: type.name,
 					visible: type.vis, priority: type.zindex,
 		);
-		foreach(var type; [ r('OSM'), r('OpenAIP') ]) {
+		foreach(var type; [ r('OSM'), r('OpenAIP'), r('STAMEN') ]) {
 				TestMap.addLayer(factory: canvas.OverlayLayer, type_arg: type.name,
 												 visible: type.vis, priority: type.zindex,
 												 style: Styles.get(type.name),

Nasal/canvas/map/STAMEN.lcontroller

@@ -0,0 +1,43 @@
+# See: http://wiki.flightgear.org/MapStructure
+# Class things:
+var name = 'STAMEN';
+var parents = [OverlayLayer.Controller];
+var __self__ = caller(0)[0];
+OverlayLayer.Controller.add(name, __self__);
+TileLayer.add(name, {
+	parents: [TileLayer],
+	type: name, # Layer type
+	df_controller: __self__, # controller to use by default -- this one
+});
+
+var new = func(layer) {
+	var m = {
+		parents: [__self__],
+		layer: layer,
+		map: layer.map,
+		listeners: [],
+	};
+
+	layer.makeURL = string.compileTemplate('http://b.tile.stamen.com/terrain/{z}/{x}/{y}.png');
+	layer.makePath = string.compileTemplate(layer.maps_base ~ '/stamen-terrain/{z}/{x}/{y}.png');
+
+   #layer.makeURL = string.compileTemplate('http://b.tile.stamen.com/terrain-background/{z}/{x}/{y}.png');
+	#layer.makePath = string.compileTemplate(layer.maps_base ~ '/stamen-terrain-background/{z}/{x}/{y}.png');
+
+   #layer.makeURL = string.compileTemplate('http://b.tile.stamen.com/toner/{z}/{x}/{y}.png');
+	#layer.makePath = string.compileTemplate(layer.maps_base ~ '/stamen-toner/{z}/{x}/{y}.png');
+
+
+	m.addVisibilityListener();
+	m.addRangeListener();
+	m.addScreenRangeListener();
+	return m;
+};
+
+var updateLayer = func() {
+}
+
+var del = func() {
+	foreach (var l; me.listeners)
+		removelistener(l);
+};

gui/dialogs/map-canvas.xml

@@ -296,6 +296,20 @@
                 </binding>
             </checkbox>
 
+            <checkbox>
+                <label>STAMEN</label>
+                <halign>left</halign>
+
+                <property>/sim/gui/dialogs/map-canvas/draw-STAMEN</property>
+                <live>true</live>
+                <binding>
+                  <command>dialog-apply</command>
+                </binding>
+                <binding>
+                  <command>property-toggle</command>
+                </binding>
+            </checkbox>
+
 
             <!-- layer only supported if tutorial system is active and targets specified-->
 	 <!--
@@ -547,7 +561,7 @@
                             })();
                         }
 
-                        foreach(var type; [ r('OSM'), r('VFRChart'), r('OpenAIP')  ]) {
+                        foreach(var type; [ r('OSM'), r('VFRChart'), r('OpenAIP'), r('STAMEN') ]) {
                             TestMap.addLayer(factory: canvas.OverlayLayer, type_arg: type.name,
                                              visible: 0, priority: 1,
                                              style: Styles.get(type.name),