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Change AnimationType Depending on Action (Open versus Close)

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AnimationContainer
This is a migrated thread and some comments may be shown as answers.
Rob
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Rob asked on 10 Mar 2021, 07:37 PM

I am simply trying to toggle an Animation Container and have it ZoomOut when it opens, but ZoomIn when it closes. Thought I could update the AnimationType using the reference, but does not work. Please see attached.

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Marin Bratanov
Telerik team
answered on 11 Mar 2021, 12:02 PM

Hello Rob,

You should set the parameters, not the instance properties - setting parameters lets the component react and re-render.

The key thing is that you need to give the framework a bit of time to re-render with the new settings so that they can take affect, and a small Task.Delay() is the usual way to do that:

 

<div style="position:relative; border: 1px solid red; height: 300px;">
    <TelerikButton OnClick="@ToggleContainer" >Toggle Animation Container</TelerikButton>

    <TelerikAnimationContainer @ref="myPopupRef" Top="50px" Left="50px" Width="250px" Height="150px" 
                               AnimationType="@DesiredAnmation" Class="k-popup" >
        <p>
            The "k-popup" class adds some background and borders which you can define through your own styles instead.
        </p>
        <p>
            My parent element has <code>position: relative</code> to control my <code>Top</code> and <code>Left</code> offset.
        </p>
    </TelerikAnimationContainer>
</div>

@code {
    Telerik.Blazor.Components.TelerikAnimationContainer myPopupRef;

    bool toggledOpen = false;
    AnimationType DesiredAnmation => toggledOpen ? AnimationType.ZoomIn : AnimationType.ZoomOut;

    async Task ToggleContainer()
    {
        toggledOpen = !toggledOpen;

        await Task.Delay(30); // give the framework time to re-render with the new settings

        await myPopupRef.ToggleAsync();
    }
}

 

On another note, would you mind if I moved this thread to the public forums so other people can see this scenario and benefit from it?

Regards,
Marin Bratanov
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Rob
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answered on 12 Mar 2021, 12:52 AM
Great answer and of course share this question/answer publicly. ;)
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Marin Bratanov
Telerik team
answered on 12 Mar 2021, 07:15 AM

Hello Rob,

Thank you for this, the thread is now public at https://www.telerik.com/forums/change-animationtype-depending-on-action-open-versus-close

 

Regards,
Marin Bratanov
Progress Telerik

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Marin Bratanov
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Rob
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