MercatorProjection.getWrapWidth causes stack overflow about gwt-google-apis HOT 10 CLOSED

Possibly related to issue 39. 

Google-web-toolkit group reference:

http://groups.google.com/group/Google-Web-Toolkit/browse_thread/thread/80729d407
91eca39/b8a6432e8a23ab38?lnk=gst&q=Feedback+requested%3A+Google+API+Library+supp
ort+for+Google+Maps+and+AJAX+Search#b8a6432e8a23ab38

Here's some sample code from user COCGIS that causes the problem:


 I tried a simpler example, a customized tile layer, started from the
js sample at 
http://www.google.com/apis/maps/documentation/overlays.html#Tile_Laye....
but I ran into problem with MapType

  public void onModuleLoad() {

    final MapWidget map= new MapWidget(new LatLng(35.249208,
-80.843099), 10);
    map.setSize("500px", "500px");
    CopyrightCollection myCopyright=new CopyrightCollection("");
    myCopyright.addCopyright(new Copyright(1,new LatLngBounds(new
LatLng(34,-81),new LatLng(36,-79)),10,""));
    TileLayer tileLayer = new TileLayer(myCopyright,10,18){
        public boolean isPng(){return true;}
        public double getOpacity(){return 1.0;}
        public String getTileURL(Point tile, int zoomLevel){
              return "http://www.google.com/apis/maps/documentation/
examples/include/tile_crosshairs.png";
        }
     };
    //TileLayerOverlay layerOverlay=new TileLayerOverlay(tileLayer);
    //map.addOverlay(layerOverlay);
    MapType mapType=new MapType(new TileLayer[]{tileLayer},new
MercatorProjection(20),"MyMap");
    map.addMapType(mapType);
    map.addControl(new MapTypeControl());
    RootPanel.get().add(map);//

  }

The tile layer works fine as a tile overlay on top of normal maps,
however,
when I click the "MyMap" type, I got the following error:
com.google.gwt.dev.shell.HostedModeException: Calling method
'createPeer': JS object of type number, expected
com.google.gwt.core.client.JavaScriptObject
        at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:114)
        at
com.google.gwt.dev.shell.ie.SwtOleGlue.convertVariantsToObjects(SwtOleGlue.java:
57)
        at
com.google.gwt.dev.shell.ie.IDispatchImpl.callMethod(IDispatchImpl.java:
119)
        at
com.google.gwt.dev.shell.ie.IDispatchProxy.invoke(IDispatchProxy.java:
150)

--


1. The Projection.tileCheckRange method's signature changed from the
js API, and I don't think it is because of naming convention as in the
case of getTileURL. The last parameter tilesize is
com.google.gwt.maps.client.geom.Size instead of int. However, in the
runtime, what's been passed in by the js API is actually a number
(256), causing the errors. (Calling method 'createPeer': JS object of
type number, expected com.google.gwt.core.client.JavaScriptObject).

2. In the js API, a typical use of GProjection class is call method
fromLatLngToPixel etc in overlay or control class to position stuff on
top the map, but com.google.gwt.maps.client.geom.MercatorProjection
has those two method as protected, so you can not really have some
code like:

   Projection prj=new MercatorProjection(20);
   Point p=prj.fromLatLngToPixel(new LatLng(40, -80));

 which is supposed to be a "correct" use. Any special reason why those
methods are protected? They are meant to be called. 

Added patches that fix the original reported issue and issues #1 & #2 later in 
the
groups thread. 

The projection patch also addresses issue #58

galgwt-Projection-fixups-issue29-r120.patch committed as r124.

galgwt-custom-MapType-issue29-r120.patch committed as r125.