Re: GWT and SVG, the 125th... :-)

Hi,

ok, I used the GWT ScriptInjector, and now also the identifier "SVG" can be resolved.

This brought me one step further, but now I get another error message:

[ERROR] [wgp] - Failed to load module 'wgp' from user agent 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36' at localhost:34277

com.google.gwt.core.client.JavaScriptException: (TypeError) @wgp.client.lib.GraphicsPanel::test()([]): Cannot read property 'nodeName' of null

I cannot debug JS code, but by tracing ($wnd.alert) I can verify that it happens at the call to SVG("drawing").

The complete code is shown below. What next? :-)

Magnus

Application.java:

public class Application implements EntryPoint

{

 public void onModuleLoad()

 {

  SampleLoader l = new SampleLoader();

  l.injectScript();

  

  final DrawBox dbx = new DrawBox ();

  dbx.setText ("Dialog Box");

  dbx.show ();

  

 }

}

SampleLoader.java:

public class SampleLoader

{

 public void injectScript()

 {

  String raw = SampleAssetsBundle.instance.myScript().getText();

  

  /*

  ScriptElement e = Document.get().createScriptElement();

  e.setText(raw);

  Document.get().getBody().appendChild(e);

  */

  

  ScriptInjector.fromString(raw).inject();

 }

}

SampleAssetBundle.java:

public interface SampleAssetsBundle extends ClientBundleWithLookup {

 public static final SampleAssetsBundle instance =

GWT.create(SampleAssetsBundle .class);

 @Source("svg.min.js")

 public TextResource myScript();

}

DrawBox.java:

public class DrawBox extends DialogBox

{

 //private FlowPanel pnl = new FlowPanel ();

 private GraphicsPanel pnl = new GraphicsPanel ();

 

 public DrawBox ()

 {

  super ();

  setText ("Dialog Box");

  

  pnl.setSize ("640px","480px");

  //add (pnl);

  setWidget (pnl);

  

  

  show ();

  center ();

  

 }

}

GraphicsPanel.java

public class GraphicsPanel extends ComplexPanel

{

 public GraphicsPanel()

 {

  Element e = test();

  setElement(e);

 }

 private static native Element test ()

 /*-{

 var draw = SVG('drawing')

 

 var text = draw.text('SVG.JS').move(300, 0)

 text.font({

          family: 'Source Sans Pro'

        , size: 180

        , anchor: 'middle'

        , leading: 1

        })

 return (draw);  

 }-*/; 

}

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