Thx for clarifying that Johan, now i fully understand this. I had my dropdown
running on Strings instead if int's :)
Now for my simple case i will stick with what i already got. But this is a
cool solution that i would use it on any other cases !
Once again...Wicket rulez !
/Frank B.
Kastell
On Tuesday 19 July 2005 00:26, Johan Compagner wrote:
> no this won't work.
>
> getValue() returns the modelvalue as a string (if now invalid input is
> found)
> and that getModelValue will alays be one of those that are in the
> selection list.
>
> then objects you finally want to have are should be ints (or Integers) ?
> then the choices/selectionlist must contain ints/Integers
>
> using 1.1:
>
> IChoiceRender renderer = new IChoiceRender()
> {
> public String getDisplayValue(Object object);
> {
> if(object.equals(new Integer(1))
> return "Mand"; // If value == integer 1 then Mand;
> return "Kvinde";
> }
>
> public String getIdValue(Object object, int
> index)
> {
> return object.toString(); // The
> integer string representation so 1 or 2
> }
> }
>
> List selectionList = new ArrayList();
> selectionList.add(new Integer(1));
> selectionList.add(new Integer(2));
> gender = new DropDownChoice("gender", new Model(new
> Integer(1)), selectionList, renderer); add(gender);
>
>
> ((Integer)gender.getModelObject()).intValue()
>
>
> There are ofcourse other objects. Like making a real Gender object with an
> id (the integer) and display value and set that in the choices/selection
> list.
> then call gender.getModelObject() to get the Gender object and then get the
> id to get the integer.
>
> frank bengtsson wrote:
> > Simple solution to a simple problem:
> >
> > in form constructor:
> >
> > List selectionList = new ArrayList();
> > selectionList.add("Mand");
> > selectionList.add("Kvinde");
> > gender = new DropDownChoice("gender", new Model(new
> > String()), selectionList); add(gender);
> >
> >
> > onSubmit() :
> >
> > int genderPojo = Integer.parseInt(gender.getValue()); //
> > Index on selected item in dropdown member.setGender(genderPojo == 0 ?
> > 1:2); // Convert gender to int in pojo
> >
> >
> > /Frank B.
> >
> > On Monday 18 July 2005 20:52, frank bengtsson wrote:
> >> using 1.1 from the 14th of juli..
> >>
> >> My pojo model(memberModel) has ONE int describing gender selection in a
> >> dropdown ("Male","Female")
> >>
> >> 1) I have tried all the new combinations without any luck,it seems no
> >> matter what i put in the genderlist i cannot convert to int ??
> >>
> >> 2) if i have to make other classes for this to work i dont see the
> >> benefit of attaching my pojo to the dropdown this is to comlicated...all
> >> i want is the selected string from the dropdown..anyway i can get that ?
> >>
> >> Please explain how to do it !
> >>
> >> here is one of the shots:
> >>
> >> DropDownChoice gender = null;
> >> gender = new DropDownChoice("gender", new
> >> PropertyModel(this.memberModel, "gender", int.class), genderList, new
> >> ChoiceRenderer("gendername"));
> >>
> >> public class Gender implements Serializable {
> >>
> >>
> >> private String gendername;
> >> private String genderid;
> >>
> >> public String getGendername() {
> >> return gendername;
> >> }
> >>
> >> public void setGendername(String gendername) {
> >> this.gendername = gendername;
> >> }
> >>
> >> public String getGenderid() {
> >> return genderid;
> >> }
> >>
> >> public void setGenderid(String genderid) {
> >> this.genderid = genderid;
> >> }
> >>
> >> }
> >>
> >>
> >> i even tried with my own render...but i dont see how i get from either a
> >> gender bean or something else to my int ?
> >>
> >> public class GenderRender implements IChoiceRenderer, Serializable {
> >>
> >>
> >> public String getDisplayValue(Object object) {
> >>
> >> System.out.println();
> >> return "1";
> >> }
> >>
> >> public String getIdValue(Object object, int i) {
> >> System.out.println();
> >>
> >> return "1";
> >> }
> >>
> >> }
> >>
> >>
> >> i also tried to out gender class into model..no luck..
> >>
> >> any is greatly appreciated..
> >>
> >>
> >>
> >>
> >>
> >>
> >> /Frank B.
> >>
> >> On Wednesday 13 July 2005 00:03, Johan Compagner wrote:
> >>> no you don't have to change them
> >>>
> >>> if you are using wicket 1.0 make youre IChoice implementation (inside
> >>> youre IChoiceList implementation)
> >>> and on the getDisplayName() for gender == 1 you return male
> >>> and for getIdValue() you return the 1
> >>>
> >>> in 1.1 you just have to implement a IChoiceRender this one has also
> >>> just displayvalue and idvalue methods.
> >>>
> >>> johan
> >>>
> >>> frank bengtsson wrote:
> >>>> public class mypojo {
> >>>>
> >>>> private int gender;
> >>>>
> >>>> public setGender(int gender) {
> >>>> this.gender = gender;
> >>>> }
> >>>>
> >>>> public int getGender() {
> >>>> return gender
> >>>> }
> >>>> }
> >>>>
> >>>> this pojo cannot/must not be changed. du you follow ?
> >>>> i think you say, that i have to change my pojo to have 2 fields ?
> >>>>
> >>>> /Frank
> >>>>
> >>>> On Tuesday 12 July 2005 23:09, Johan Compagner wrote:
> >>>>> why would you change the pojos?
> >>>>> what do they look like now?
> >>>>> They have a name i take?
> >>>>>
> >>>>> frank bengtsson wrote:
> >>>>>> Problem is, i cant change the pojo's. So i think it will be simpler
> >>>>>> to get the selection value(String) and manually convert to an int
> >>>>>> and then set it on my pojo
> >>>>>>
> >>>>>> agree ?
> >>>>>>
> >>>>>> /Frank
> >>>>>>
> >>>>>> On Tuesday 12 July 2005 22:37, Johan Compagner wrote:
> >>>>>>> with Wicket 1.0 you have to create 2 Choice object for the
> >>>>>>> IChoiceList imlementation.
> >>>>>>>
> >>>>>>> In wicket 1.1 (the current cvs) you could do this:
> >>>>>>>
> >>>>>>> new DropDownChoice("gender",new Model(),new
> >>>>>>> ChoiceRenderer("name","id"),list);
> >>>>>>>
> >>>>>>> and in that list you have 2 pojo's that have a getId() and a
> >>>>>>> getName()
> >>>>>>>
> >>>>>>> johan
> >>>>>>>
> >>>>>>> frank bengtsson wrote:
> >>>>>>>> Hi there,
> >>>>>>>>
> >>>>>>>> I have "Male" + "Female" in my dropdownchoice and they are
> >>>>>>>> represented as int's in my pojo's. How do i get "Male" converted
> >>>>>>>> to an int with value 1 ?
> >>>>>>>>
> >>>>>>>> Is there a way to set a number for each list item instead of
> >>>>>>>> returning the list item("Male") ?
> >>>>>>>>
> >>>>>>>> Or do i have to make a model for that dropdown, which then returns
> >>>>>>>> and int for the get method and takes a string for the set method ?
> >>>>>>>>
> >>>>>>>> /Frank
> >>>>>>>
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Frank Kastell Bengtsson
Kastell
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