Provide locally scoped #set variables
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Key: VELOCITY-773
URL: https://issues.apache.org/jira/browse/VELOCITY-773
Project: Velocity
Issue Type: Improvement
Components: Engine
Affects Versions: 1.7-beta1
Reporter: Michael Osipov
Consider this snippet:
<!-- Generated pushbutton groups -->
#foreach ($group in $form.pushbuttonGroups)
<div class="die-button-group" style="#coordinates($group)">
#* *##foreach ($groupChild in $group.children)
#* *##if (!$velocityHasNext)#set($turnPaddingOff =
'style="padding-bottom: 0px;"')#end
#* *##if ($groupChild.class.simpleName == "Pushbutton")
#* *#<div $!turnPaddingOff>
#* *#<button type="submit" name="$groupChild.name"
value="$groupChild.value"
onclick="loadSubsequent()">#label($groupChild.label)</button>
#* *#</div>
#* *##end
#* *##end
</div>
#end
There is an inherent bug. After the first run of the outer foreach, the var
turnPaddingOff is still available and will always set in the div tag. There is
only one workaround. At the end of the outer foreach you have to set it to ''.
#set should be available as a locally scoped thing in #foreach or other
constructs.
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