Re: GWT DataTable issue

Hi,

I am trying to use an OrgChart too and I faced the same issue, yet I am not sure we used the same GWT wrapper. Could you please tell me which jars you have ?

Thanks,

Gania

Le lundi 28 novembre 2011 07:23:10 UTC+1, Phil a écrit :

I'm trying to use OrgChart from google's visualization api. I get the includes and jars setup alright, but anytime I try to initialize a DataTable (which is needed to populate the OrgChart) I get a very opaque error that is pasted below.  Has any one seen something like this?

I'm literally just copy and pasting a few lines of sample code from various places online. I have include my sample code below as well as the error I am seeing. I believe I'm including the visualization jar and I've added the corresponding xml line for the visualization library to my *.gwt.xml file.  I searched around quite a bit, but can't seem to find this error elsewhere.  I'm on GWT 2.2 and AppEngine 1.5.1.

Thanks,

Phil

Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError): Cannot read property 'visualization' of undefined __gwt_ObjectId: 13 at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:237) at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:129) at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:561) at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:269) at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91) at com.google.gwt.visualization.client.DataTable$.create(DataTable.java) at dorsata.client.Dorsata.createDataTable(Dorsata.java:264) at dorsata.client.Dorsata.drawOrgChart(Dorsata.java:224) at dorsata.client.Dorsata.onModuleLoad(Dorsata.java:81) ... 9 more

Sample code I'm using:

 public void drawOrgChart() {

       Widget widget;

       Options options = Options.create();

       options.setAllowHtml(true);

       options.setAllowCollapse(true);

       options.setColor("#00FF00");

       options.setSelectionColor("#FF0000");

       widget = new OrgChart(createDataTable(), options);

       RootPanel.get().add(widget);

           }

 private AbstractDataTable createDataTable() {

   DataTable data = DataTable.create();

   data.addColumn(ColumnType.STRING, "Name");

   data.addColumn(ColumnType.STRING, "Manager");

   data.addRows(5);

   data.setValue(0, 0, "Mike");

   data.setValue(1, 0, "Jim");

   data.setValue(1, 1, "Mike");

   data.setValue(2, 0, "Alice");

   data.setValue(2, 1, "Mike");

   data.setValue(3, 0, "Bob");

   data.setValue(3, 1, "Jim");

   data.setValue(4, 0, "Carol");

   data.setValue(4, 1, "Bob");

   return data;

         }

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