How are you adding the image to the chart? You need to have some way for
each image to be associated with a particular node.
On Friday, September 21, 2012 12:47:32 AM UTC-4, selva wrote:
>
> Thank you so much for your code.This is very useful to me. But I want to
> do this function when click on particular image. Here I attached the image
> file. Is it possible sir.?
>
>
> On Thursday, September 20, 2012 7:46:13 PM UTC+5:30, asgallant wrote:
>>
>> Here's how to do it with a "select" event listener:
>>
>> google.visualization.events.addListener(chart, 'select', function () {
>> // get the row of the node clicked
>> var selection = chart.getSelection();
>> var row = selection[0].row;
>> // get a list of all collapsed nodes
>> var collapsed = chart.getCollapsedNodes();
>> // if the node is collapsed, we want to expand it
>> // if it is not collapsed, we want to collapse it
>> var collapse = (collapsed.indexOf(row) == -1);
>> chart.collapse(row, collapse);
>> // clear the selection so the next click will work properly
>> chart.setSelection();
>> });
>>
>>
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