Allow checkboxes to be populated from a request attribute
---------------------------------------------------------
Key: DISPL-602
URL: http://jira.codehaus.org/browse/DISPL-602
Project: DisplayTag
Issue Type: Improvement
Components: Decorators
Affects Versions: 1.2
Reporter: Stephanie Sherriff
Priority: Minor
At the moment the checkboxes are set as 'checked' from parameters in the
request. I have a case where I come back to a displaytag list, and I want to be
able to populate these, but not by creating a whole bunch of parameters in the
url, but by setting a request attribute of type String[] that holds all of the
matching values.
For my own purposes I have created this functionality by just doing the
following:
String[] params = (String[])pageContext.getRequest().getAttribute(fieldName);
if(params == null) {
params = pageContext.getRequest().getParameterValues(fieldName);
}
instead of:
String[] params = (String[])pageContext.getRequest().getAttribute(fieldName);
A better way might be to have another element in the decorator, a boolean, that
sets whether you want to first check request attributes before parameters, but
for my own case, I just altered it to have anything in the attributes override
the parameters.
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