It's a table with lots of data to display, with a mixture of plain text, data from session and from arrays, so it'd be rather hard to solve it with ListView.
So my only problem is how to point the Label to data that is outside Form. On Sat, Oct 23, 2010 at 5:03 PM, James Carman [via Apache Wicket] < ml-node+3008486-1151478827-152...@n4.nabble.com<ml-node%2b3008486-1151478827-152...@n4.nabble.com> > wrote: > The PropertyModel takes a "root" object on which it will evaluate the > expression. So, you have to make sure the property is traversable > from the root object. Most likely, you'd be better off using a > ListView for your situation if you're trying to show all the items in > the list. > > On Sat, Oct 23, 2010 at 10:59 AM, Zeldor <[hidden > email]<http://user/SendEmail.jtp?type=node&node=3008486&i=0>> > wrote: > > > > > Ha! Good suggestion, I should have looked at "this" earlier. I guess I > need > > better understanding of how things work. "this" in my situation referred > > just to a form, so it could not find the data required. When I cloned the > > > ArrayList again in the Form, it works. But that's not exactly good thing > to > > do, what should I use instead of "this" to get the data properly, without > > > repeating it? "Building.class" does not work [same error with get > method]. I > > just want to access and display data that is outside form... > > > > Right now it looks like that: > > > > public class Building extends EconPage{ > > public Building() { > > int nation = MySession.loggedInUser.getNation(); > > ArrayList<Double> base_costs = new ArrayList<Double>(); > > final ArrayList<Double> house_cost = new ArrayList<Double>(5); > > ... > > add(new FeedbackPanel("errorMsg")); > > Form<String> buildHousesForm = new Form<String>("buildHousesForm", > > > new Model<String>()) { > > private TextField<Long> build_houses = new > > TextField<Long>("build_houses", new Model<Long>()); > > { > > ... > > add(new Label("houses_infracost", new > > PropertyModel(this, "houses_cost.0"))); > > ... > > add(build_houses); > > } > > }; > > add(buildHousesForm); > > } > > } > > > > > > > > On Sat, Oct 23, 2010 at 2:13 PM, Sven Meier [via Apache Wicket] < > > [hidden email] > > <http://user/SendEmail.jtp?type=node&node=3008486&i=1><[hidden > email] <http://user/SendEmail.jtp?type=node&node=3008486&i=2>> > >> wrote: > > > >> The PropertyModel is having problems with "house_cost". > >> > >> What is "this" in your example? Is "house_cost" a member variable of > >> your "this"? > >> > >> Sven > >> > >> On 10/23/2010 11:35 AM, Zeldor wrote: > >> > >> > Nope, still same error: > >> > > >> > org.apache.wicket.RequestCycle logRuntimeException: no get method > >> > defined for class: class com.myproject.economy.Building$1 expression: > >> > house_cost > >> > org.apache.wicket.WicketRuntimeException: no get method defined for > >> > class: class com.myproject.economy.Building$1 expression: house_cost > >> > > >> > > >> > > >> > { > >> > System.out.println("Values:" + house_cost.get(0)+ + > >> > house_cost.get(1)+ + house_cost.get(2)+ + house_cost.get(3)+ + > >> > house_cost.get(4) ); > >> > } > >> > This works and gives proper values. I'd be surprised if Wicket > required > >> smth > >> > special just to display that... > >> > > >> > > >> > On Sat, Oct 23, 2010 at 7:08 AM, Ernesto Reinaldo Barreiro-4 [via > Apache > >> > Wicket]<[hidden email]< > http://user/SendEmail.jtp?type=node&node=3008353&i=0> > >> <[hidden email] <http://user/SendEmail.jtp?type=node&node=3008353&i=1>> > > >> > > >> >> wrote: > >> >> > >> > > >> >> Can you try PropertyModel(this, "house_cost[4]")? > >> >> > >> >> Ernesto > >> >> > >> >> On Fri, Oct 22, 2010 at 10:39 PM, Zeldor<[hidden email]< > >> http://user/SendEmail.jtp?type=node&node=3008166&i=0>> > >> >> wrote: > >> >> > >> >> > >> >>> Hi, > >> >>> > >> >>> I am trying to make an ArrayList, populate it and then display them > >> [and > >> >>> > >> >> do > >> >> > >> >>> other stuff later, but I did not get so far]. It does not work > though, > >> so > >> >>> > >> >> > >> >>> what I am missing? > >> >>> > >> >>> My code looks like that: > >> >>> > >> >>> > >> >>> ... > >> >>> ArrayList<Double> house_cost = new > >> ArrayList<Double>(5); > >> >>> ... > >> >>> [adding some data here] > >> >>> > >> >>> [form] > >> >>> add(new Label("houses_goldcost", new PropertyModel(this, > >> >>> "house_cost.get(4)"))); > >> >>> ... > >> >>> > >> >>> I am of course getting the generic "no get method defined for class" > > >> >>> > >> >> error, > >> >> > >> >>> so I must be doing something wrong. What is the correct way to get > just > >> > >> >>> > >> >> one > >> >> > >> >>> cell from ArrayList and display it with a Label? > >> >>> > >> >>> > >> >>> -- > >> >>> View this message in context: > >> >>> > >> >> > >> > http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html<http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html?by-user=t> > < > http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html?by-user=t<http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html?by-user=t&by-user=t>> > > >> < > >> > http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html?by-user=t<http://apache-wicket.1842946.n4.nabble.com/ArrayList-Label-and-Model-tp3007849p3007849.html?by-user=t&by-user=t> > < > 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