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Single tooltip for all series in a category

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JamesD
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JamesD asked on 29 Oct 2013, 11:10 AM
Hi

Is it possible to show a tooltip for all series' values when hovering mouse anywhere in a category column as shown in attached illustration?
Specifically we are using date axis.
Thanks

V.

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Iliana Dyankova
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answered on 30 Oct 2013, 09:18 AM
Hello V,

In order to achieve this you should use a shared tooltip:  

$("#chart").kendoChart({
  //....
  tooltip: {
     visible: true,
     shared: true
  }
});
Regards,
Iliana Nikolova
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JamesD
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answered on 30 Oct 2013, 12:06 PM
Thank you, Iliana, the feature is great.

There is an issue with datetime axis though:
The category name (tooltip head) isn't copied from axis, but a standard-formatted (mm/dd/yyyy) date is displayed as instead.
My date range and thus baseUnit is dynamic (set to "fit").
I tried to use sharedTemplate - here the category field returns completely unformatted datetime value.
Can I retrieve 
The category formatted as on the axis?
OR
the format-string used on the axis for current baseUnit?
OR
at least the actual baseUnit in use?

V
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Iliana Dyankova
Telerik team
answered on 01 Nov 2013, 09:54 AM
Hi V,

I am afraid what you would like to achieve is not supported by Kendo UI Chart at this point. The only possible workaround I can suggest is setting manually the tooltip format in the tooltip.template:

$("#chart").kendoChart({
  //....
  tooltip: {
     visible: true,
     shared: true,
     template: "#= kendo.format('{0:dd/MMMM/yyyy}',category) #"}
});
Regards,
Iliana Nikolova
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JamesD
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answered on 01 Nov 2013, 10:04 AM
Yes, that's what I'm trying to do with sharedTemplate. 
Depending on the range I  need different format string. E.g. month or week or time only just as on the axis.

The meaning of previous question was if I could somehow get that actual format string from kendoui internals or at least calculated base unit to decide whitch format string to use?
Thanks.

 V.

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Iliana Dyankova
Telerik team
answered on 05 Nov 2013, 01:26 PM
Hi V,

I am afraid there is no a property which contains the discussed format, however we will do our best to provide an option for future releases. Please excuse us for the inconvenience caused.

Regards,
Iliana Nikolova
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JamesD
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answered on 28 Jan 2014, 08:17 AM
Just reminded that it is actually possible to retrieve the actual unit used:
http://www.kendoui.com/forums/kendo-ui-dataviz/chart/determine-actual-calculated-baseunit-when-set-to-'fit'-.aspx

(and then use script to do the formatting)

V.
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Dan
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answered on 18 Oct 2017, 04:11 PM
Has there been any change in this?  I still have the same scenario where my X-Axis is set to just have Month and Year (Oct 2017), but the header in the shared version of the tooltip shows 10/1/2017 despite the fact that the underlying data is actually something like 10/18/2017.  It seems to be taking the formatted value and then transforming it to a full date format.
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Stefan
Telerik team
answered on 20 Oct 2017, 01:45 PM
Hello, Dan,

I can suggest using a template for the shared label:

https://docs.telerik.com/kendo-ui/api/javascript/dataviz/ui/chart#configuration-tooltip.sharedTemplate

I made an example demonstrating this. If the scenario defers, please modify the example and I will gladly assist:

http://dojo.telerik.com/IsinO/2

Regards,
Stefan
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Ben
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answered on 14 Jan 2021, 09:33 PM

Applying JamesD's suggestion to Stefan's example yields something like this:

http://dojo.telerik.com/OkONAtEM/56
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Ben
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answered on 14 Jan 2021, 09:33 PM

http://dojo.telerik.com/OkONAtEM/56

 

(No auto-linking here?)

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