Thank you for reply. I was not aware of tests for tapestry5-jquery
> I guess that you get your code form the sample at > > https://github.com/got5/tapestry5-jquery/blob/master/src/test/resources/org/got5/tapestry5/jquery/pages/PageScroll.tml I manage to get it working, but now it's trying to fetch data for every scroll. Is there a way how to pass restrictions to the jquery script? For example at the bottom of the page and only for scrolling down. 2016-03-20 18:14 GMT+01:00 françois facon <fra.fa...@gmail.com>: > There is some documentation from the author of this component available at > > https://tawus.wordpress.com/2012/11/25/scrolling-pages-tapestry5-onscrollbeyond/ > > if you have a look at the source doc, > > https://github.com/got5/tapestry5-jquery/blob/master/src/main/java/org/got5/tapestry5/jquery/components/PageScroll.java > you will find the following code > > @Parameter(value = "literal:[]") > private Object[] context; > > I guess that you get your code form the sample at > > https://github.com/got5/tapestry5-jquery/blob/master/src/test/resources/org/got5/tapestry5/jquery/pages/PageScroll.tml > > Your error message > > java.lang.RuntimeExceptionCoercion of [] to type java.lang.Integer > (via String --> Long, Long --> Integer) failed: For input string: "[]" > java.lang.NumberFormatExceptionFor input string: "[]" > > come from the default value of the parameter context you have removed from > the template. > > see also https://tapestry.apache.org/component-parameters.html for more > details about parameter binding. > > for questions related to tapestry5 jquery component, I suggest you to open > an issue at https://github.com/got5/tapestry5-jquery/issues. > > 2016-03-15 10:13 GMT+01:00 Robert Jakeš <jakesrob...@gmail.com>: > > > I am trying to use tapestry5 jquery component PageScroll for infinite > > scrolling. > > > > - tapestry5 - 5.3.8 > > - tapestry5-jquery - 3.4.2 > > > > So far i got this: > > > > public class PageScrollDemo { > > private static final int PageSize = 100; > > > > @Property > > private int value; > > > > @OnEvent("nextPage") > > List<Integer> moreValues(int pageNumber) throws InterruptedException > { > > List<Integer> values = new ArrayList<Integer>(); > > int first = pageNumber * PageSize; > > for(int i = 0; i < PageSize; ++i){ > > values.add(first + i); > > } > > > > Thread.sleep(1000); > > return values; > > }} > > > > PageScrollDemo.tml > > > > <html xmlns:t='http://tapestry.apache.org/schema/tapestry_5_3.xsd > > '><body><h1>BEGIN</h1><ul> > > <li t:type='jquery/pagescroll' row='value' scroller='scroller' > > zone='zone' pageNumber="1"> > > > > <li>${value}</li> > > </li> > > <li class='zone' t:type='zone' t:id='zone'/></ul><div > > id='scroller'></div><h1>END</h1></body></html> > > > > But i get this error > > > > java.lang.RuntimeExceptionCoercion of [] to type java.lang.Integer > > (via String --> Long, Long --> Integer) failed: For input string: "[]" > > java.lang.NumberFormatExceptionFor input string: "[]" > > Filter stack frames Stack trace > > > > > > > java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) > > java.lang.Long.parseLong(Long.java:589) > > java.lang.Long.<init>(Long.java:965) > > > > As far i understand, tapestry is trying to pass parameter "[]" to the > > method moreValues(int), which fails. > > > > My question is why is not passing String "1" (pageNumber), which can be > > casted to int? > > > > My second question is why is even pageNumber mandatory in > > PageScrollDemo.tml? If i remove params from moreValues(), i get this: > > > > trace > > > > Triggering event 'scroll' on PageScrollDemo:pagescroll > > > > org.apache.tapestry5.runtime.ComponentEventExceptionFailure writing > > parameter 'pageNumber' of component PageScrollDemo:pagescroll: Literal > > values are not updateable. > > > > Could somebody please explain me how to use Pagescroll? > > >
