Spring Data Pagination Taglib

pagination.tag

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>

<%@ attribute name="pg" type="org.springframework.data.domain.Page" required="true" rtexprvalue="true" description="The current Page" %>

<c:set var="showPages" value="10" />

<%-- No User Settings Below Here --%>
<c:set var="pageRange" value="${showPages -1}" />
<c:set var="pageCount" value="${pg.getTotalPages() -1}" />
<c:set var="pageNumber" value="${pg.getNumber() + 1}" />
<c:set var="delta" value="${(pageRange /2)+(1-((pageRange /2)%1))%1}" />

<c:set var="query" value="?" />
<c:forTokens var="q" items="${pageContext.request.queryString}" delims="&">
	<c:if test="${fn:startsWith(q, 'p=') == false}">
		<c:set var="query" value="${query}${q}&" />
	</c:if>
</c:forTokens>

<c:choose>
	<c:when test="${pageRange gt pageCount}">
		<c:set var="begin" value="0" />
		<c:set var="end" value="${pageCount}" />
	</c:when>
	<c:otherwise>
		<c:choose>
			<c:when test="${pageNumber - delta gt pageCount - pageRange}">
				<c:set var="begin" value="${pageCount - pageRange}" />
				<c:set var="end" value="${pageCount}" />
			</c:when>
			<c:otherwise>
				<c:choose>
					<c:when test="${pageNumber - delta < 0}">
						<c:set var="offsetDelta" value="${pageNumber}" />
					</c:when>
					<c:otherwise>
						<c:set var="offsetDelta" value="${delta}" />
					</c:otherwise>				
				</c:choose>
				<c:set var="offset" value="${pageNumber - offsetDelta}" />
				<c:set var="begin" value="${offset}" />
				<c:set var="end" value="${offset + pageRange}" />	
			</c:otherwise>
		</c:choose>
	</c:otherwise>
</c:choose>

<c:if test="${pg.totalPages >= 2 }">
	<!-- pagination -->
	<div class="pagination">
		<ul>
			<c:choose>
				<c:when test="${pg.isFirstPage()}">
					<li class="disabled"><a href="#">First</a></li>
					<li class="disabled"><a href="#">&laquo;</a></li>
				</c:when>
				<c:otherwise>
					<li><a href="<c:out value="${query}" />">First</a></li>
					<li><a href="<c:out value="${query}p=${pg.getNumber() -1}" />">&laquo;</a></li>
				</c:otherwise>
			</c:choose>

	        <c:forEach var="i" begin="${begin}" end="${end}">
	            <c:choose>
	                <c:when test="${i == pg.getNumber()}">
	                    <li class="active"><a href="<c:out value="${query}p=${i}" />"><c:out value="${i+1}" /></a></li>
	                </c:when>
	                <c:otherwise>
	                    <li><a href="<c:out value="${query}p=${i}" />"><c:out value="${i+1}" /></a></li>
	                </c:otherwise>
	            </c:choose>
	        </c:forEach>

			<c:choose>
				<c:when test="${pg.isLastPage()}">
					<li class="disabled"><a href="#">&raquo;</a></li>
					<li class="disabled"><a href="#">Last</a></li>
				</c:when>
				<c:otherwise>
					<li><a href="<c:out value="${query}p=${pg.getNumber() +1}" />">&raquo;</a></li>
					<li><a href="<c:out value="${query}p=${pg.getTotalPages() -1}" />">Last</a></li>
				</c:otherwise>
			</c:choose>				
		</ul>
	</div>	
	<!-- end pagination -->	
</c:if>