There is the #getViewRowIndex method, which translates the row index from
the underlying DataTable into the row's index in the view.
On Tuesday, August 14, 2012 5:13:41 AM UTC-4, Luca Bulegato wrote:
>
> Thanks a lot this is what I need !!
>
> Is there a mirror method of view.getTableRowIndex which return the
> position in the graph from the tablerow index ?
> This could be done in this way but I am wondering if there is a more
> beutiful way:
>
> var rows = view.getViewRows();
> for(var i =0 ;i< rows.length;i++)
> {
> if(tablerow_index == rows[i])
> {
> chart_position = i;
> break;
> }
> }
>
> Thanka again
>
> Il giorno lunedì 13 agosto 2012 23:18:05 UTC+2, asgallant ha scritto:
>>
>> Incidentally, if you are just fetching data, you can use the view rather
>> than translating back to the original DataTable, as long as the view has
>> the columns you need.
>>
>> On Monday, August 13, 2012 4:35:34 PM UTC-4, asgallant wrote:
>>>
>>> The row property of the event returns the row in the DataView used to
>>> draw the chart, which you can get by calling the chart wrapper's
>>> #getDataTable
>>> method. The view then has a method #getTableRowIndex which translates the
>>> row index into the index of the DataTable/DataView that was used to draw
>>> the dashboard (typically this is your DataTable, but you could have a
>>> different setup).
>>>
>>> google.visualization.events.addListener(chart.getChart(), 'onmouseover'
>>> , function (e) {
>>> var view = chart.getDataTable();
>>> var tableRow = view.getTableRowIndex(e.row);
>>> // do something with tableRow
>>> });
>>>
>>> On Monday, August 13, 2012 1:05:07 PM UTC-4, Luca Bulegato wrote:
>>>>
>>>> Hi all,
>>>> I have some problem with changerangefilter and linechart or probably I
>>>> am missing something,.
>>>> I am drawing a linechart with a ChartRangeFilter control.
>>>> I have a listner for onmouseover on the chart and when I pass the mouse
>>>> over the chart i get the events with the overHandler(e) function.
>>>> Then I get the e.row element in order to get the row in the datatable
>>>> "under" the chart.
>>>> This works great but when I change the range of the ChartRangeFilter
>>>> the e.row value is about the point in the graph ..not in the datatable...
>>>>
>>>> So in general How can i Get the right row in the datatable after a
>>>> mouseover event in the chart ?
>>>>
>>>> thanks a lot
>>>>
>>>>
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