[Laszlo-dev] undefined property problem

[P T Withington]

Perhaps a race condition between the constraint and the class  
initializer.  What happens if you set the class `duration` value  
using an attribute tag rather than in the class tag?

On 16 Nov 2005, at 23:18, Denis Bohm wrote:

> I'm having this problem with version 3.1.
>
> When I try to run the code below I get the following warnings in  
> the debugger:
>
> WARNING: problem.lzx:6: reference to undefined property 'duration'
>
> I'm trying to figure out how to set a default value for the  
> duration attribute.  Does anyone see what's wrong?
>
> <canvas width="600" height="600">
>
>    <class name="fade" extends="animatorgroup" process="sequential"  
> duration="5000">
>        <attribute name="lead" value="1000" type="number"/>
>        <animator attribute="opacity" from="0" to="1"  
> motion="easeboth" duration="${parent.lead}"/>
>        <animator duration="${parent.duration - 2 * parent.lead}"/>
>        <animator attribute="opacity" from="1" to="0"  
> motion="easeboth" duration="${parent.lead}"/>
>    </class>
>
>    <view>
>        <animatorgroup process="sequential">
>            <fade target="v1" duration="5000"/>
>            <fade target="v2" lead="1000"/>
>        </animatorgroup>
>        <view id="v1" width="600" height="600" opacity="0"  
> bgcolor="red"/>
>        <view id="v2" width="600" height="600" opacity="0"  
> bgcolor="blue"/>
>    </view>
> </canvas>
>
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