Eelco,
Your approach to the BeanPanel is pretty similar to mine, but instead
of using BeanInfo objects, I allow the developer to specify the
attributes and give them a little more control over how the HTML looks
(size of the text field, text area, etc). Will it be possible to
specify attributes that should be populated from a DropDownChoice box or
will the BeanInfo approach make that too difficult? If it's too
difficult then I should probably stick with my approach, although I'd
rather pool our efforts and help you out.
My gut feel (although I'd be happy if I am wrong) is that the BeanInfo
approach might be good for data administration apps, but not for apps
where you want more control over the look of the editing panel. Please
do tell me I'm wrong (if I am, that is :-). Using a preconfigured
component is always going to demand some trade-offs in flexibility so
I'm just talking about degrees of flexibility here.
> I tried to stay close to a javabean-like pattern (xxxEditor naming
schema)
I'm not familiar with the xxxEditor naming schema you talk about. If
you have a link, I'd appreciate it.
> I also would like to make it less flexible; currently
> you can feed it pull models, which is not such a good idea with so
much
> going on.
When you talk about "pull models", are you referring to models that get
data from the database (for example?)
I haven't seen any articles on what the new JavaBean spec is going to
look like. If you see any, please let me know.
- Jonathan
>>> [EMAIL PROTECTED] 2005-07-01 1:22:01 AM >>>
Yep, though the fieldpanel gives you more control. I tried to stay
close
to a javabean-like pattern (xxxEditor naming schema), though that has
to
tighten a bit yet. I also would like to make it less flexible;
currently
you can feed it pull models, which is not such a good idea with so much
going on.
I hope to be working on that (wizard and beanpanels) withing the next
two weeks. If you want, we can work on this toghether, and see if we
can
destil something out we both like.
JavaOne has been great. Met a lot of great people, learned a lot (the
new JavaBean spec is going to be great!) and both the presentation and
the framework smackdown went very well.
Cheers,
Eelco
Jonathan Carlson wrote:
>Thanks Eelco, I'll check it out. It looks like it uses reflection
and
>lots of default values to allow editing for every single attribute in
a
>bean. Is that right?
>
>How's JavaOne?
>
>- Jonathan
>
>
>
>>>>[EMAIL PROTECTED] 2005-06-30 4:05:54 AM >>>
>>>>
>>>>
>Did you take a look at the code I put in wicket-example's HEAD, the
>wizard example? There is some bean editing stuff in there that does
>things on a whole different way than you propose. Maybe it is a good
>idea to check this out, and see what you do and don't like, and have
a
>
>discussion on that.
>
>Eelco
>
>
>Jonathan Carlson wrote:
>
>
>
>>I cleaned up some of the code wrapping that made it hard to read.
>>
>>
>One
>
>
>>benefit of this approach is that if you are using a modern IDE, it
>>
>>
>will
>
>
>>tell you which options you can use for each type of form component.
>>Just start typing set and press Ctrl-space (or whatever)
>>
>>--------------------
>>I have started of a couple of RAD (rapid app development) panels
that
>>I'm hoping to commit to wicket-stuff, but I thought I'd check to see
>>
>>
>if
>
>
>>there was interest in co-developing this (in which case I would try
>>
>>
>to
>
>
>>commit it sooner than later). In any case, I thought it would be
>>
>>
>good
>
>
>>to get feedback on the approach I'm using.
>>
>>My goal is for a Wicket developer to be able to quickly pound out
>>
>>
>bean
>
>
>>editing and bean listing panels very quickly without having to mess
>>
>>
>with
>
>
>>HTML (unless they really need to do some custom stuff, in which case
>>
>>
>it
>
>
>>should still be possible to use this).
>>
>>To create a bean editing panel, one just needs to subclass my
>>DynEditPanel like the below pseudo-code (my actual, mostly-working
>>example is on a different computer). Please note that I would much
>>prefer all the setup() method logic to be in the constructor but it
>>doesn't work because a superclass constructor cannot call a method
in
>>
>>
>a
>
>
>>subclass (maybe someone can help me find a better solution).
>>
>>(All HTML is inherited from DynEditPanel so no HTML coding is
>>
>>
>required
>
>
>>here)
>>
>>public class EditPanel extend DynEditPanel
>>{
>> public EditPanel(String id)
>> {
>> super(id);
>> }
>>
>> protected void setup()
>> {
>> setModel(new Model(employee));
>> addTextField("name")
>> .setTitle("Full Name")
>> .setMaxLength(40)
>> .setSize(20)
>> .setRequired(true);
>> addTextField("manager")
>> .setTitle("Boss")
>> .setMaxLength(40)
>> .setSize(20)
>> .setRequired(true);
>> addTextArea("notes")
>> .setTitle("Notes")
>> .setColumns(40)
>> .setRows(5)
>> .setReadOnly(true);
>> List deptartments = /* find departments here */;
>> addDropDown("department", departments)
>> .setTitle("Dept")
>> .setRequired(true);
>> addDateField("hireDate")
>> .setFormat("YYYY-MM-DD")
>> .setRequired(true);
>> }
>>
>> protected void onSubmit()
>> {
>> // do save logic here
>> }
>>
>>}
>>
>>
>>I don't like this, but the class that constructs this instance has
to
>>call completeSetup() on the DynEditPanel which calls the setup()
>>
>>
>method
>
>
>>here. I can discuss why if there is more interest, but I'd love to
>>avoid this. I feel like I'm bumping up against some major
>>
>>
>limitations
>
>
>>of setting up a component in the constructor. Maybe I need to
>>investigate using static methods for constructing instead.
>>
>>I'm also hoping to modify my existing DynListPanel component to use
a
>>similar structure, avoiding the need for any HTML by the developer.
>>
>>
>I
>
>
>>haven't thought this one through very well yet, but that would allow
>>things like:
>>
>>/** Constructor */
>>public DynListPanelSubclass()
>>{
>> supportDelete(true); // override onDelete(bean)
>> supportEdit(true); // override onEdit(bean)
>> setPageSize(10);
>> addLabel("name")
>> .setTitle("Full Name")
>> .setSortable(true)
>> .setFilterable(true);
>> addLabel("department")
>> .setTitle("Dept")
>> .setFilterChoices(departments)
>> .setSortable(true);
>>}
>>
>>Any ideas or suggestions? If the right balance of flexibility and
>>RADness is made, I think these could be very powerful components.
>>
>>Jonathan
>>
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