[Wicket-user] How to set a date on backing model obj from contents of drop down lists?

2007-07-31 Thread Justin Morgan (Logic Sector) 
Hi all,

Sorry for the potentially noobish question, but I'm not sure how to  
go about this in Wicket...

I need to set a Date on a form's model object by way of three drop  
down lists.  The drop downs look something like this:

Drop down 1 contents:  Month, January, February, ..., December
Drop down 2 contents:  Day, 1, 2, ..., 31
Drop down 3 contents:  Year, 2007, 2006, ..., 1907

Clicking the Submit button on the form will save a single  
java.util.Date object on the form's backing model object based on the  
aggregate values of the three lists' selections.

Thanks for any suggestions,

Justin

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Re: [Wicket-user] How to set a date on backing model obj from contents of drop down lists?

2007-07-31 Thread Igor Vaynberg 
if you really want something that binds to the Date then create 3 models,
each adjusting the specific portion of the date, for example:

class YearModel implements IModel {
 private final IModel date;

  Object getObject() {return date.getObject().getYear();}
  void setObject(Object o) { date.getObject().setYear((Integer)o); }
   void detach() { date.detach(); }
}

-igor



On 7/31/07, David Leangen [EMAIL PROTECTED] wrote:


 One suggestion: what about having a date pojo like:

 public class MyDate
 {
   get/setMonth()
   get/setDay()
   get/setYear()

   public Date getDate()
   {
  // translate object state into a Date object
   }
 }


 Then use PropertyModel to get/set the individual fields:

 Component myComponent = new WhateverComponent( id, new
 PropertyModel( myDate, fieldOfDate );


 That should work.


 Maybe more experienced people know of a more elegant way, though this
 way's not so bad.


 Cheers,
 Dave




 On Mon, 2007-07-30 at 23:45 -0700, Justin Morgan (Logic Sector) wrote:
  Hi all,
 
  Sorry for the potentially noobish question, but I'm not sure how to
  go about this in Wicket...
 
  I need to set a Date on a form's model object by way of three drop
  down lists.  The drop downs look something like this:
 
  Drop down 1 contents:  Month, January, February, ..., December
  Drop down 2 contents:  Day, 1, 2, ..., 31
  Drop down 3 contents:  Year, 2007, 2006, ..., 1907
 
  Clicking the Submit button on the form will save a single
  java.util.Date object on the form's backing model object based on the
  aggregate values of the three lists' selections.
 
  Thanks for any suggestions,
 
  Justin
 
 
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Re: [Wicket-user] How to set a date on backing model obj from contents of drop down lists?

2007-07-31 Thread David Rosenstrauch 
David Leangen wrote:
 One suggestion: what about having a date pojo like:
 
 public class MyDate
 {
   get/setMonth()
   get/setDay()
   get/setYear()
 
   public Date getDate()
   {
  // translate object state into a Date object
   }
 }
 
 
 Then use PropertyModel to get/set the individual fields:
 
 Component myComponent = new WhateverComponent( id, new
 PropertyModel( myDate, fieldOfDate );
 
 
 That should work.
 
 
 Maybe more experienced people know of a more elegant way, though this
 way's not so bad.
 
 
 Cheers,
 Dave

That's how I would do it.

DR

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