default prefix OGNL prevents WYSIWYG preview in template
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Key: TAPESTRY-536
URL: http://issues.apache.org/jira/browse/TAPESTRY-536
Project: Tapestry
Type: Bug
Components: Framework
Versions: 4.0
Environment: Windows XP
Reporter: Kent Tong
Priority: Critical
For example, Foo.html
<form...>
<input type="text" value="Paul" jwcid="userName"/>
</form>
Foo.page:
<page-specification ...>
<component id="userName" type="TextField">
<binding name="value" value="currentUser.name"/>
</component>
</page-specification>
At runtime there will be an exception saying there are two bindings for
parameter "value" (conflicts).
Setting the value to "Pual" is certainly a legitimate use for preview purpose.
By spirit this is allowed
because it is a literal string. However, as the default prefix for the "value"
parameter is ognl, so
Tapestry is thinking that "Paul" is an OGNL expression so it won't tolerate it.
This is a serious design issue that must be addressed.
Thanks!
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