On Mon, 07 Jul 2014 10:00:55 -0300, Davide Vecchi <d...@amc.dk> wrote:
Hi,
Hi!
Thanks for the quick feedback ! Yes, I would like to make this change so
that it is used by every grid in my application.
So what you want is to override the property viewing blocks used by
BeanModel-based components (in this case, Grid and BeanDisplay) for some
Tapestry types (which are just strings, not having a class representing
them. DataTypeConstants provides constants for the types Tapestry
recognizes out-of-the-box). Another question: do you want to do this for
every column, regardless of the type of its value (String, Date, boolean,
etc) or not? If yes, then you may use Tapestry DOM rewriting. If not, I'll
sketch a solution for you, below.
I don't have time to make a tutorial right now, so I'll suggest you to
take a look at PropertyDisplayBlocks (the Tapestry page that contains the
blocks Grid and BeanDisplay use to render the columns in Grid),
Quick attempt, not tested, specifically for columns of type String, to
explain what you need to do:
1) Create a MyPropertyDisplayBlocks (name doesn't matter much) page and
its template.
2) This will be the template:
<t:container xml:space="default"
xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
<t:block id="longtext">
<!-- render here whatever you want -->
</t:block>
</t:container>
3) In MyPropertyDisplayBlocks.java, you'll need this:
@Environmental
private PropertyOutputContext context; // this is the way you get the
value to be rendered.
context.getPropertyValue() will provide you the value of the column.
4) Override the out-of-the-box configured block. In your AppModule, add
this:
public static void
contributeBeanBlockSource(Configuration<BeanBlockContribution>
configuration) {
configuration.override(new
DisplayBlockContribution(DataTypeConstants.LONG_TEXT,
"MyPropertyDisplayBlocks", "longtext");
}
--
Thiago H. de Paula Figueiredo
Tapestry, Java and Hibernate consultant and developer
http://machina.com.br
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