Play! Framework 1.2.x Pagination (this is a variation and modification of the version found on https://gist.github.com/1379217)

Application.java

package controllers;

import controllers.Constants;
import play.mvc.Controller;
import utils.PaginationInfo;
import java.util.List;

/**
 * Sample controller.
 */
public class Application extends Controller {

    public static void listBlogs() {
        int currentPage = PaginationInfo.getCurrentPage();

        List<models.Blog> blogs = models.Blog.all()
                .limit(Constants.RECORDS_PER_PAGE).offset(currentPage - 1).asList();
        Long total = models.Blog.all().count();
        PaginationInfo paginationInfo = new PaginationInfo("Application.listBlogs",
                currentPage, Constants.RECORDS_PER_PAGE, total.intValue());

        render(blogs, paginationInfo);
    }

}

listBlogs.html

*{ sample view }*

#{extends 'main.html'/}

<table>
  <tbody>
  #{list blogs, as:'blog'}
    <tr>
      <td>${blog.title}</td>
    </tr>
  #{/list}
  #{pagination paginationInfo, colspan:'1'/}
  </tbody>
</table>

messages

# Pagination strings
pagination.pageNumbers=<strong>Found: %d &mdash; Page: %d of %d</strong>
pagination.next=Next
pagination.previous=Prev
pagination.first=First
pagination.last=Last

pagination.html

*{
View Tag. Put this in your tags folder.

Optional arguments:
- first:    [<<] label for the "first" link
- last:     [>>] label for the "last" link
- previous: [<]  label for the "previous" link
- next:     [>]  label for the "next" link
- radius:   [4]  how many pages to display left/right of the current page
- clazz:    []   additional css class for outer div, the "pagination" class is always added.
- colspan:  [3]  number of table rows to span.
}*
%{
def page = {
		args = new java.util.HashMap<String, Object>()
		args.put('page', it)
		//args.put('zip', params.get( "zip" ) )
		_arg.params.each{ p -> args.put(p, params.get(p)) }

		play.mvc.Router.getFullUrl(_arg.action, args)
	}

pageCount    = _arg.getNumPages();
currentPage  = _arg.getPage();
first        = (_first == null || _first == '') ? '&laquo; ' + play.i18n.Messages.get("pagination.first") : _first;
previous     = (_previous == null || _previous == '') ? '&lsaquo; ' + play.i18n.Messages.get("pagination.previous") : _previous;
next         = (_next == null || _next == '') ? play.i18n.Messages.get("pagination.next") + ' &rsaquo;' : _next;
last         = (_last == null || _last == '') ? play.i18n.Messages.get("pagination.last") + ' &raquo;' : _last;
radius		 = (_radius == null )? 3 : _radius;
startCount   = Math.max(1, currentPage - radius);
endCount     = Math.min(pageCount, currentPage + radius);
}%
<tr>
    <td colspan="${_colspan == null ? '' : _colspan}">
        <ul class="pagination${_clazz}">
            <li class="pagination_info">
            &{'pagination.pageNumbers', _arg.numItems, _arg.getPage(), pageCount}
            </li>
    %{
	if (_arg.page > 1) {
		out.println('<li><a class="first button" rel="1" href="' + page(1) +'">' + first + '</a></li>');
		out.println('<li><a class="previous button" rel="' + (_arg.page - 1) + '" href="' + page(_arg.page - 1) + '">' + previous + '</a></li>');
	}

	if (startCount > 1) {
	    out.println('<li class="hellip">&nbsp;&hellip;&nbsp;</li>');
    }

	for (int i = startCount; i <= endCount; i++) {
		if (i != _arg.getPage()) {
			out.println('<li><a class="button" rel="' + i + '" href="' + page(i) + '">' + i + '</a></li>' );
		} else {
			out.println('<li><span class="current button gray">' + i + '</span></li>');
		}
	}

	if ((currentPage + radius) < pageCount) {
	    out.println('<li class="hellip">&nbsp;&hellip;&nbsp;</li>');
	}

	if (_arg.page != pageCount) {
	    out.println('<li><a class="next button" rel="' + i + '" href="' + page(_arg.getPage() + 1) + '">' + next + '</a></li>');
		out.println('<li><a class="last button" rel="' + i + '" href="' + page(pageCount) + '">' + last +'</a></li>');
	}
    }%
        </ul>
    </td>
</tr>

PaginationInfo.java

package utils;

import play.mvc.Scope;

import java.util.LinkedList;
import java.util.List;

/**
 * Helps a bit with the paging.
 * This class (as the name suggests) doesn't generate any html,
 * but just holds information about the paging.
 *
 * @author hansi
 * @author akhawaja
 */
public class PaginationInfo implements Cloneable {

    // what's the current page? (starting at 1)
    public int page;

    // what's the action url (e.g. Application.listSomething)
    public String action;

    // what params from the current request should be included in the links?
    // e.g. if you're paging over a search and your textfield is named "q",
    // then you should call: paginationInfo.addParams( "q" ).
    // this will take the current value from the request parameters and includ it
    // in the link, so it's point to /application/listSomething?q=the_value&page=3
    public LinkedList<String> params = new LinkedList<String>();

    // number of items per page
    public int perPage = 15;

    // number of result items
    public int numItems;

    public static int getCurrentPage() {
        Scope.Params parameters = Scope.Params.current();

        Object o = parameters.get("page");

        if (o == null) {
            return 1;
        } else {
            try {
                Integer.parseInt(String.valueOf(o));
            } catch (NumberFormatException e) {
                return 1;
            }
        }

        return 1;
    }

    public PaginationInfo() {
    }

    public PaginationInfo(String action, int page, int perPage, int numItems, String... params) {
        action(action).page(page).perPage(perPage).numItems(numItems).addParams(params);
    }

    /**
     * Set the action (url, e.g. Application.doSomething)
     * Allows method chaining
     */
    public PaginationInfo action(String action) {
        this.action = action;
        return this;
    }

    /**
     * Set the current page
     * Allows method chaining
     */
    public PaginationInfo page(int page) {
        this.page = page;
        return this;
    }

    /**
     * Set the number of items visible per page
     * Allows method chaining
     */
    public PaginationInfo perPage(int perPage) {
        this.perPage = perPage;
        return this;
    }

    /**
     * Set total number of result items
     * Allows method chaining
     */
    public PaginationInfo numItems(int numItems) {
        this.numItems = numItems;
        return this;
    }

    /**
     * Add query parameters' names which should be included in links
     * Allows method chaining
     */
    public PaginationInfo addParams(String... params) {
        for (String param : params) {
            this.params.add(param);
        }

        return this;
    }

    /**
     * Add query parameters' names which should be included in links
     * Allows method chaining
     */
    public PaginationInfo addParams(List<String> params) {
        this.params.addAll(params);
        return this;
    }

    /**
     * Validates and returns the current page.
     * This requires numItems and perPage to be set to function correctly.
     *
     * @return
     */
    public int getPage() {
        return Math.max(1, Math.min(page, getNumPages()));
    }

    /**
     * Calculates and returns the total number of pages.
     * This requires numItems and perPage to be set to function correctly.
     *
     * @return
     */
    public int getNumPages() {
        return 1 + (int) Math.floor((numItems - 1) / (float) perPage);
    }

    @Override
    protected PaginationInfo clone() throws CloneNotSupportedException {
        return new PaginationInfo(action, page, perPage, numItems).addParams(params);
    }
}

Hi, very useful, but i have a problem, the operation o methods are lost in pagination.html, why?