Re: RE: BSelect and <input> elements of type radio and checkbox?

"Diez B. Roggisch" <[email protected]>
Newsgroups gmane.comp.java.enhydra.barracuda.general
Message-ID <[email protected]>
Hi,

> Is that correct? I didn't mention this approach in my email, but it works

No. Lets say our basic form model (which is a TemplateModel) is called foo. 
Now we have a value bar which can be selected from a list of values - either 
one (select with multiple = false and a radiobutton group), or several 
(select with multiple=true or checkboxgroup).

Now the RepopulationFormMap produces a (iterative) child model, called 
foo_bar. This enumerates the item-map for key and value (the latter one is 
usually the label for the check/radio-boxes, the first one is a 
BToggleButton)

If you directly bind the element bar, you end up with a select-element. Or you 
bind the foo_bar-model. This of course requires you to create the appropriate 
iterative directives. Just take a look into the repopulation-html:

<tr class="Dir::Iterate_Start.ExampleModel_GROUP 
Dir::Iterate_Next.ExampleModel_GROUP">
                                        <td><!-- This and the following tr 
demonstrate the usage of groups of radiobuttons. It is done
                                          by the creation of a child template 
model which follows a special nomenclature for
                                          its name: The name of the parent 
model (ExampleModel) is joined with an underscore and
                                          the elements name.
                                          Please notice that the model 
contains a KEY, which is the actual BComponent, and a
                                          VALUE representing (in general) the 
text associated with it. This could of course be a
                                          arbitrary BComponent or node.
                                          -->
                                          <input 
class="Dir::Get_Data.ExampleModel_GROUP.KEY" type="radio">
                                          <span 
class="Dir::Get_Data.ExampleModel_GROUP.VALUE">[VALUE]</span>
                                        </td>
                                  </tr>

                                  <tr 
class="Dir::Iterate_End.ExampleModel_GROUP Dir::Discard">
                                        <td>[DISCARD]</td>
                                  </tr>

                                  <tr 
class="Dir::Iterate_Start.ExampleModel_CHECKBOX 
Dir::Iterate_Next.ExampleModel_CHECKBOX">
                                        <td><input 
class="Dir::Get_Data.ExampleModel_CHECKBOX.KEY" type="checkbox">
                                          <span 
class="Dir::Get_Data.ExampleModel_CHECKBOX.VALUE">[VALUE]</span>
                                        </td>
                                  </tr>

                                  <tr 
class="Dir::Iterate_End.ExampleModel_CHECKBOX Dir::Discard">
                                        <td>[DISCARD]</td>
                                  </tr>


Do you get an idea how it works?

Regards,

Diez
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