Groovy paginate problem

Question

Hi, I have an application written in groovy and I am having problems with the pagination of a resulting set.

I have a Controller called ReportingController. This controller has two methods called listdoiTln and listdoiEv. Both methods are similar and at the end both have to render a list of reports. The last lines of both are as follows:

params.max = Math.min(params.max ? params.max.toInteger() : 15,  100)             
render (view: 'list', model:[reportingInstanceList: reportingInstanceList, reportingInstanceTotal: i])

The list view is rendered as expected. At the footer of the list.gsp file I have:

<div class="paginateButtons">
    <g:paginate controller="reporting" total="${reportingInstanceTotal}" max="25"/></div>
</div>

The list is working, the buttons for the pagination are there but it is always displayed the whole collection. Notice that I do not have files callled listdoiTln.gsp or listdoiEv.gsp. I am using list.gsp with different data models.

Surely I am doing something wrong.

Any hint?

Thanks in advance.

Luis

Answer 1

I had trouble with this, too, for quite a while. Try this:

Evaluate param.offset in the controller:

params.offset = params?.offset?.toInteger() ?: 0

Include the params in the model:

render (view: 'list', model:[reportingInstanceList: reportingInstanceList, reportingInstanceTotal: i, params: params])

Check whether the value of reportingInstanceTotal is the value that you expect. That tripped me up for a while.

If it still doesn't work, let me know, or try looking at one of the list.gsp pages and its associated controller that are generated by the grails generate-all command.

The paginate buttons are quite cool, but there is little documentation and it takes longer than I expected to set them up.