-Igor
On 3/12/06, Sven Meier <[EMAIL PROTECTED]> wrote:
This week I ran into a problem, where a button suddenly changed its
inscription which was supposed to be specified in the HTML template.
Reason for this was that we added a new property to one of our model
objects. We're using CompoundPropertyModels (who doesn't?) and the value
of the property was rendered because as chance would have it the button
has an identical wicket:id :(.
I found the origin of this unexpected behavior in
Button#onComponentTag(ComponentTag) :
try
{
String value = getModelObjectAsString();
if (value != null && !"".equals(value))
{
tag.put("value", value);
}
}
catch (Exception e)
{
// ignore.
}
IMHO this code is problematic in either way:
- if the value attribute should stay untouched as specified in the HTML,
you carefully have to watch out for collision of property name and wicket:id
- if the value attribute should be generated, you won't get an error if
the property is misspelt.
I propose to formalize the behaviour of Button with a new method, say:
Button#setOutputMarkupValue(boolean)
If you wonder, the name of this method was inspired by
Component#setOutputMarkupId().
What do you think?
Sven
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