To get a set of components that the page developer
could use without having to write any HTML, the
application architect could decide on a set of building blocks needed by page
developers, and implement them with the associated HTML files.
These could include basic form components,
and components for arranging subpanels -- e.g. vertical stacking, horizontal
placement, whatever. Then the user could build pages by instantiating and
subclassing these pre-build components without adding any new
HTML.
(To insert a subpanel in specified locations of the panel-arranger, the user would create an anonymous subclass of the panel-arranger which overrode the methods for creating the individual panels that get arranged. This is so that the panel-arranger can pass the needed wicket-id to the over-ridden method that creates that panel, without the user having to know the specific wicket-ids coded in the panel-arranger's HTML page.)
The difficulty is in deciding on the set of building blocks
needed. It's sort of like designing an application-oriented programming
language. I built my application this way, but I was the sole developer --
so I was continually refining and adding to my set of general-pupose and
application-oriented building blocks as I went along. To build truly
flexible with general-purpose building blocks that do not limit the developer's
styling of the application would be a huge project. It would be something
like implementing the Echo (http://www.nextapp.com/platform/echo1/echo/)
or Echo2 (http://www.nextapp.com/platform/echo2/echo/)
framework in Wicket.
In fact, if you really don't want the page-developers to be
coding any HTML, the Echo or Echo 2 framework may be what you're looking
for. But then you'll be limited to building upon whatever functionality
their components provide.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Igor Vaynberg
Sent: Wednesday, October 18, 2006 11:27 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] Components Entirely In Java?
in some cases if the components being added are just stacked you can use a repeater like RepeatingView to take care of that so end users can go
MyPage() {
getNavContainer().add(new MyNewComponnet1());
getNavContainer().add(new MyNewComponent2());
getBodyContainer().add(new MyNewCompoenent3());
}
etc
-Igor
On 10/18/06, Jonathan
Sharp <[EMAIL PROTECTED]>
wrote:
I'm a UI developer on a team of about 10 and are in the evaulation process of wicket. Pardon my ignorance if this is obvious or misses the boat...
How complex would it be to provide a jar of components to our developers that they can use to build their interfaces without having to touch HTML? The goal would be that they would build the application without having to write any HTML but simply "append" components to each other similar to how you can with the DOM browser side. Our AppBasePage would then have a <wicket:child/> tag which is where it would render these components. Does this make sense?
Example Components:
- Form
- FieldSet
- FieldPair
- SaveButton
Developers would then:
class MyPage extends AppBaseBase {
public MyPage() {
Form f = new Form("myForm");
f.add(new SaveButton("id", "Label"));
add(f);
}
}
Cheers,
-js
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