binding prefix should be aware of page's lifecycle
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                 Key: TAPESTRY-2014
                 URL: https://issues.apache.org/jira/browse/TAPESTRY-2014
             Project: Tapestry
          Issue Type: Improvement
    Affects Versions: 5.0.7
            Reporter: Davor Hrg


binding should be aware of at least pageAtached and pageDetached events
to initialize, or clear contents.

I've made a binding prefix for zebra effect

        <t:grid source="vessels" rowsPerPage="15" t:id="results" 
rowClass="cycle:line1,line2">
        </t:grid>

the problem was that for every reload the first line would alternate. This is 
because binding is
attached to a page instance and is not aware of page's lifecycle.

I've made a workarround by having a static WeakHashmap tracking pages with this 
binding,
and by adding:

${cycle:reset}

at the begining of each page that uses this binding.

some other bindings may also need to clean resources...



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