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Cannot distinguish selected tab when loading remote content

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TabStrip
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Ron
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Ron asked on 19 Jun 2017, 12:47 PM

Hi,

I have a tabstrip for which the content for all tabs are loaded remotely. The content for some of the tabs may take quite some time. Everything works fine from a technical point of view. The problem that I am having is that during the loading of a tab's content, the selected tab cannot be visually distinguished. When selecting the tab, all tabs visually look to be in "inactive" state. I can see the loading indicator, suggesting that content is still loading but I cannot visually determine which tab was selected. So the question is: is there a way to make the selected tab be visually distinquishable during content loading?

I have tried adding the 'k-state-active' class to the selected tab in the "select" event but the manually added class seems to be removed instantly. Using one of the other events doesn't seem to be the solution either.

Regards,
Ron

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Ivan Danchev
Telerik team
answered on 20 Jun 2017, 02:10 PM
Hi Ron,

We add a k-state-active class to the selected tab, but, as you have noticed, this is done after the content is loaded and until then the tab is indistinguishable (apart from the loading bar on top of it) from the other tabs. You can workaround this by adding your own class to the tab in the TabStrip's select event, as demonstrated in this dojo example. The custom class in the example ("selectedTab") is used in a CSS rule which applies a different background color to make the selected tab look different than the others.

Regards,
Ivan Danchev
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Ron
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answered on 22 Jun 2017, 09:46 AM

Hi Ivan,

Thank you for your response. The proposed solution works for me. It's not ideal in my opinion but it works. Hopefully you can consider fixing this in a future kendo version.

Regards,
Ron

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Ivan Danchev
Telerik team
answered on 26 Jun 2017, 10:39 AM
Hi Ron,

I discussed this behavior with the team and we agreed to log it as a bug. The selected tab appearing as selected when clicked is more intuitive, than applying the class and the related styles after the content is loaded. Here's the Github issue, through which you can track the bug's status.

For your involvement in identifying this issue I updated your Telerik points.

Regards,
Ivan Danchev
Progress Telerik
Try our brand new, jQuery-free Angular 2 components built from ground-up which deliver the business app essential building blocks - a grid component, data visualization (charts) and form elements.
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