One more thing...
I tried the mouseover handler but how can we create a Selection out of
the mouseover event object?
private OnMouseOverHandler createOverHandler(final Label lbl, final
ColumnChart colChart) {
return new OnMouseOverHandler() {
@Override
public void onMouseOverEvent(OnMouseOverEvent event) {
// create a selection from the
SelectionHelper.java available in
google trunk
/
*http://www.google.com/codesearch/p?hl=en#ow6Lmd7dcZY/trunk/
visualization/visualization/src/com/google/gwt/visualization/client/
SelectionHelper.java&q=google/gwt/visualization/client/Properties
%20package:http://gwt-google-apis%5C.googlecode%5C.com&d=9*/
Selection sel=
SelectionHelper.createSelection(event.getRow(),
event.getColumn());
SelectionHelper.setSelection(colChart, sel);
lbl.setText("!!!!!!!!Mouse moved over!!!!!");//
this get displayed
}
};
}
Any help would be really appreciated
Thanks again!
Ankit
On Mar 16, 10:30 am, Anky <[email protected]> wrote:
> Hey Vizzy,
>
> thanks for your reply.
>
> I have one more question. Is there any way to remove a registered
> handler from a chart component?
> My idea is to add a new handler on some user action. When I register a
> new select handler for this chart, it adds up this new event in a list
> of select events for the same chart hence causing the select event to
> get triggered first for the earlier registered event and then the new
> select event on the same user action.
>
> Thanks
> Ankit
>
> On Mar 15, 11:16 am, MC Get Vizzy <[email protected]> wrote:
>
>
>
> > On Sat, Mar 13, 2010 at 1:40 AM, Anky <[email protected]> wrote:
> > > Hi,
>
> > > I am creating a small app using GWT and Google visualization API.
>
> > > The API documentation
> > >http://code.google.com/apis/visualization/documentation/gallery/colum...
> > > says the we can set the stacked feature for the column chart, but the
> > > latest visualization jar at
> > >http://code.google.com/p/gwt-google-apis/downloads/list
> > > does not include the stacked feature.
>
> > that's strange, I am looking at version 0.0.0, and I see the following in
> > ColumnChart.java:
>
> > public final native void setStacked(boolean stacked) /*-{
> > this.isStacked = stacked;
> > }-*/;
>
> > (this is a method of ColumnChart.Options.) the same thing appears in 1.0.2.
>
> > There are few more.
>
> > > please suggest if I am referring to the older jar version. (gwt-
> > > visualization-1.0.2.zip)
>
> > there are some options that are not explicitly supported yet. you can
> > access those by calling the set() method on the options object. there are
> > overloads for the different option value types. for example:
>
> > ColumnChart.Options options = new ColumnChart.Options();
> > options.set("axisFontSize", 5);
>
> > > Also, I would be thankful to you all if any one can give me some hint
> > > to show up the tool tip on mouse over event.
>
> > see ColumnChart.addOnMouseOverHandler().
>
> > I hope this helps -- let me know if you have more questions.
>
> > > Thanks
> > > Ankit
>
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