Ok, you have apoint there. Although you could insert a header
contribution which makes the size of listview available to the
javascript Or you could locate every html component who's id starts
with a certain string.
> my suggesting would be to make that method final.
No please don't make getMarkupId final (or atleast provide a setter),
because although it might not be perfect in combination with
repeaters. It is a livesafer in other situations. For instance i have
this grid of textfields who have a top to bottom, left to right tab
order. I also have to be able to navigate these textfields using the
arrow keys. By including the x y coordinate in the html id this is
easy. I could not have done that if i could not override the markup
id, because not all of these components have the same component tree.
Maurice
On 7/22/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
>
>
> > and then in
> > public void populateItem(Item item){
> > item.add(new MyLabel("label"+item.getIndex());
> > }
>
>
> this wont work because then how do you reference the id in the markup??
>
>
> > The point is whoever builds the component might want to make it easier
> > for user to use there component in repeaters but ultimatly it is up to
> > the user who puts the component in the repeater to make sure it has a
> > unique id for javascript.
> > And lets not forget that not every component needs to have a javascript
> id.
>
>
> i think the point is that as the framework implementors we take care of this
> plumbing detail for the user because we hve access to the most context. so
> my suggesting would be to make that method final.
>
> -Igor
>
>
>
> >
> > On 7/22/06, Igor Vaynberg < [EMAIL PROTECTED]> wrote:
> > > here is an example
> > >
> > > class MyLabel extends Label {
> > > ....
> > >
> > > String getOutputMarkupId() { return "mylabelid"; }
> > > }
> > >
> > > now if you put this label inside a listview you are screwed
> > >
> > > -Igor
> > >
> > >
> > >
> > > On 7/22/06, Maurice Marrink <[EMAIL PROTECTED]> wrote:
> > > >
> > > Actually i was talking about the index the repeater uses for all its
> > > items. But maybe i am not getting something about those repeaters,
> > > like i said i am not entirely sure we are talking about the same thing
> > > here.
> > > I am talking about RepeatingView and its subclasses.
> > > So if you have a component who's getMarkupId is defined as return
> > > getId(); Then all you have to do in the populate method is new
> > > yourComponent("aName"+item.getId(),someModel);
> > >
> > > Maurice
> > >
> > >
> > > On 7/21/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> > > > so you are talking about some static counter you keep in the class and
> > > > assign to the instance? that really is the only way to guarantee the
> id be
> > > > unique
> > > >
> > > >
> > > > class Component {
> > > > staic int counter=0;
> > > >
> > > > int idcounter=counter++;
> > > >
> > > > String getMarkupId() {
> > > > return
> > > > getClass().getName().replaceAll(".","")+idcounter;
> > > > }
> > > >
> > > > something like that might work i guess
> > > >
> > > >
> > > > -Igor
> > > >
> > > >
> > > >
> > > > On 7/21/06, Maurice Marrink < [EMAIL PROTECTED]> wrote:
> > > > > I think Igor is talking about custom third party components here.
> > > > >
> > > > > I am not sure what you mean by repeater but i assume you mean
> > > > > RepeatingView and those alike. anyway you still have to give a
> wicket
> > > > > id to those components right? so why not include the index in the
> > > > > wicket id and override getMarkupId to return just the id instead op
> > > > > the full path. Besides if the vendor does not support it, the user
> > > > > could always override getMarkupId again.
> > > > >
> > > > > And just to be sure, i am not talking about changing the behaviour
> of
> > > > > getMarkupId in the core, just as something people could do to make
> the
> > > > > whole javascript id easier.
> > > > >
> > > > > Maurice
> > > > >
> > > > > On 7/21/06, Johan Compagner <[EMAIL PROTECTED] > wrote:
> > > > > > You can override getMarkupId()
> > > > > > We (servoy) do that all the time with everything. Because we know
> the
> > > > page
> > > > > > and we know how to be sure that it is unqiue.
> > > > > >
> > > > > > still if we know that we are in a repeater we do append the index
> in
> > > > front
> > > > > > of it.
> > > > > >
> > > > > > johan
> > > > > >
> > > > > >
> > > > > >
> > > > > > On 7/21/06, Igor Vaynberg < [EMAIL PROTECTED]> wrote:
> > > > > > >
> > > > > > > and what if someone takes a component like that and puts it into
> a
> > > > > > repeater? the component doesnt know its in a repeater so it will
> > > return
> > > > the
> > > > > > same id for all iterations. the path is the only way to insure the
> id
> > > is
> > > > > > unique.
> > > > > > >
> > > > > > >
> > > > > > > -Igor
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > On 7/21/06, Maurice Marrink < [EMAIL PROTECTED]> wrote:
> > > > > > > > Just as another thought:
> > > > > > > > Would it not be better for someone to override getMarkupId()
> and
> > > > > > > > return whatever id he pleases. Surely you don't want to have
> to go
> > > > > > > > through the html or javascript files when you add another
> > > > > > > > WebMarkupContainer or Panel to your component hierarchy, as
> would
> > > be
> > > > > > > > the case if you used the default implementation of
> getMarkupId().
> > > > > > > >
> > > > > > > > The only thing to remember is that all the id's have to be
> unique,
> > > > > > > > which should not be such a big problem because you only have
> to
> > > > > > > > overwrite getMarkupId for those components you reference
> through
> > > > > > > > javascript. Even for list items this should be feasible by
> using
> > > > there
> > > > > > > > index.
> > > > > > > >
> > > > > > > > Just my 2 cents.
> > > > > > > >
> > > > > > > > Maurice
> > > > > > > >
> > > > > > > > On 7/21/06, Al Maw < [EMAIL PROTECTED]> wrote:
> > > > > > > > > I don't think periods will work in IDs, surely?
> > > > > > > > > They'd interfere with CSS syntax - would:
> > > > > > > > >
> > > > > > > > > #foo.bar { }
> > > > > > > > >
> > > > > > > > > ...refer to an element with id=" foo.bar" or an element with
> > > > id="foo"
> > > > > > and
> > > > > > > > > class="bar" ?
> > > > > > > > >
> > > > > > > > > Hyphens probably aren't usable either. You can't use hyphens
> in
> > > > your
> > > > > > > > > class/field names, but I guess people might be using them in
> > > their
> > > > > > > > > wicket:ids already.
> > > > > > > > >
> > > > > > > > > So how about using multiple chars for the separator? "-_-"
> or
> > > > > > something,
> > > > > > > > > and String#split() on that?
> > > > > > > > >
> > > > > > > > > Al
> > > > > > > > >
> > > > > > > > > Eelco Hillenius wrote:
> > > > > > > > > > Yes, and also about a year ago we switched to _ for
> outputting
> > > > as we
> > > > > > > > > > had actual experience with javascript troubles. : is not a
> > > > useable
> > > > > > for
> > > > > > > > > > external purposes.
> > > > > > > > >
> > > > > > > > > > On 7/21/06, Martijn Dashorst < [EMAIL PROTECTED]>
> > > > wrote:
> > > > > > > > > >> ID and NAME tokens must begin with a letter ([A-Za-z])
> and
> > > may
> > > > be
> > > > > > > > > >> followed by any number of letters, digits ([0-9]),
> hyphens
> > > > ("-"),
> > > > > > > > > >> underscores ("_"), colons (":"), and periods (".").
> > > > > > > > >
> > > > > > > > > >> On 7/21/06, Johan Compagner < [EMAIL PROTECTED]>
> wrote:
> > > > > > > > > >>> is there a better seperator that can be used then?
> > > > > > > > >
> > > > > > > > >
> > > > > > > > >
> > > > > >
> > > >
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