Regarding:
http://struts.apache.org/2.2.3/struts2-core/apidocs/org/apache/struts2/components/OptGroup.html
and
http://struts.apache.org/2.2.3.1/docs/optgroup.html
The example given at the bottom, when translated in to Freemarker tag syntax,
doesn't work. Here's my FM version:
<@s.select label="My Selection" name="mySelection"
value="POPEYE"
list={'SUPERMAN':'Superman', 'SPIDERMAN':'spiderman'} >
<@s.optgroup label="Adult"
list={'SOUTH_PARK':'South Park'} />
<@s.optgroup label="Japanese"
list={'POKEMON':'pokemon','DIGIMON':'digimon','SAILORMOON':'Sailormoon'} />
</@s.select>
This causes the following exception:
freemarker.core.InvalidReferenceException: Expression
optGroupInternalListUiBean.parameters.list is undefined on line 36, column 8 in
mx/themes/securelink/optgroup.ftl.
at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:100)
at freemarker.core.Environment.visit(Environment.java:210)
at freemarker.core.MixedContent.accept(MixedContent.java:92)
at freemarker.core.Environment.visit(Environment.java:210)
...
If I try and simplify it and use the OGNL syntax I get a different error:
<@s.select label="My Selection" name="mySelection" value="%{'POPEYE'}"
list="%{#{'SUPERMAN':'Superman', 'SPIDERMAN':'spiderman'}}" >
</@s.select>
...
Caused by: freemarker.core.ParseException: Error on line 29, column 22 in
*/tests/select-list.ftl
Found string literal: 'SUPERMAN'
Expecting: number in */tests/select-list.ftl
at freemarker.core.FMParser.notStringLiteral(FMParser.java:84)
at freemarker.core.FMParser.numberLiteralOnly(FMParser.java:147)
Can anyone provide guidance here for using FM literals with select lists?
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