Re: JNI Problem

[David]

You are missing an extra () it should read:
*var colorScale = p_valhold...@com.ll.cidb.client.CIDBViewer
::getColorScale()();*
*
*


On Tue, Oct 29, 2013 at 4:58 PM, Sean <slough...@gmail.com> wrote:

> Hey guys, I read the documentation on JNI and I think what I'm doing is
> correct, but its not working. I'm trying to get values from JAVA into
> Javascript.
>
> Code Snippet:
> [...]
> /**
>  *
>  * @return
>  */
> public String getColorScale()
> {
> int selIndex =m_colorBox.getSelectedIndex();
>  return m_colorBox.getItemText(selIndex);
> }
>
> /**
>  *
>  * @return TMS URL for OSM cyclemap
>  */
> private static native JSObject getCIDBUrl(CIDBViewer p_valHolder) /*-{
>  function get_my_gwt_url(bounds) {
> var res = this.map.getResolution();
>
> var x = Math.round((bounds.left - this.maxExtent.left)
>  / (res * this.tileSize.w));
> var y = Math.round((this.maxExtent.top - bounds.top)
> / (res * this.tileSize.h));
>  var z = this.map.getZoom();
> if(z<12)
> {
> return "http://127.0.0.1:8888/images/missing.png";;
>  }
> var left = bounds.left;
> var right = bounds.right;
>  var top = bounds.top;
> var bottom = bounds.bottom;
> //Call the JAVA side to get these values
>  var minVal = 0;
> var maxVal = 10;
> * var colorScale = p_valhold...@com.ll.cidb.client.CIDBViewer
> ::getColorScale();*
>  url = "http://127.0.0.1:8888/cidbviewer/map?res="; + res + "&z=" + z
>  + "&left=" + left + "&right=" + right + "&top=" + top
> + "&bottom=" + bottom
>  +"&cs="+ colorScale
> +"&min="+minVal
> +"&max="+maxVal;
>  return url;
> }
>
> return get_my_gwt_url;
> }-*/;
>
> [...]
>
>
> So you can see I have a simple java method that gets the value out of a
> ListBox. I want to pass that value into the JavaScript function so I can
> send it to my server. However, when I get to the server the value of
> colorScale is:
> [function () {      var result = __static(dispId, this);      if
> (result[0]) {        throw result[1];      } else {        return
> result[1];      }    }]
>
>
> I've tried this instead of passing the java instance. That didn't work
> either.
>
> Any ideas?
>
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