diff -r 61669abf277f -r e8eecee6aadf src/main/webapp/WEB-INF/jsp/project-details.jsp
--- a/src/main/webapp/WEB-INF/jsp/project-details.jsp	Sat Jan 23 14:47:59 2021 +0100
+++ b/src/main/webapp/WEB-INF/jsp/project-details.jsp	Fri Apr 02 11:59:14 2021 +0200
@@ -24,37 +24,28 @@
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 --%>
-<%@page pageEncoding="UTF-8" import="de.uapcore.lightpit.viewmodel.ProjectView" %>
 <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 <%@taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
 <%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
 
-<jsp:useBean id="viewmodel" type="de.uapcore.lightpit.viewmodel.ProjectDetailsView" scope="request" />
+<jsp:useBean id="viewmodel" type="de.uapcore.lightpit.viewmodel.ProjectDetails" scope="request" />
 
 <c:set var="project" scope="page" value="${viewmodel.projectInfo.project}"/>
-<c:set var="component" scope="page" value="${viewmodel.componentFilter}"/>
+<c:set var="component" scope="page" value="${viewmodel.component}"/>
+<c:set var="version" scope="page" value="${viewmodel.version}"/>
 <%@include file="../jspf/project-header.jspf"%>
 
 <div id="tool-area">
-    <c:remove var="createIssueParams"/>
-    <c:if test="${viewmodel.versionFilter.id gt 0}">
-        <c:set var="createIssueParams">&vid=${viewmodel.versionFilter.id}</c:set>
-    </c:if>
-    <c:if test="${viewmodel.componentFilter.id gt 0}">
-        <c:set var="createIssueParams">${createIssueParams}&cid=${viewmodel.componentFilter.id}</c:set>
-    </c:if>
-    <c:if test="${not empty createIssueParams}">
-        <c:set var="createIssueParams">?${fn:substringAfter(createIssueParams, "&")}</c:set>
+    <a href="./projects/${project.node}/issues/${empty version ? '-' : version.node}/${empty component ? '-' : component.node}/-/create" class="button"><fmt:message key="button.issue.create"/></a>
+    <a href="./projects/${project.node}/edit" class="button"><fmt:message key="button.project.edit"/></a>
+    <c:if test="${not empty version}">
+        <a href="./projects/${project.node}/versions/${version.node}/edit" class="button"><fmt:message key="button.version.edit"/></a>
     </c:if>
-    <a href="./projects/${project.node}/create-issue${createIssueParams}" class="button"><fmt:message key="button.issue.create"/></a>
-    <c:if test="${viewmodel.versionFilter.id gt 0}">
-        <a href="./projects/${project.node}/versions/${viewmodel.versionFilter.node}/edit" class="button"><fmt:message key="button.version.edit"/></a>
+    <a href="./projects/${project.node}/versions/-/create" class="button"><fmt:message key="button.version.create"/></a>
+    <c:if test="${not empty component}">
+        <a href="./projects/${project.node}/components/${component.node}/edit" class="button"><fmt:message key="button.component.edit"/></a>
     </c:if>
-    <a href="./projects/${project.node}/create-version" class="button"><fmt:message key="button.version.create"/></a>
-    <c:if test="${viewmodel.componentFilter.id gt 0}">
-        <a href="./projects/${project.node}/components/${viewmodel.componentFilter.node}/edit" class="button"><fmt:message key="button.component.edit"/></a>
-    </c:if>
-    <a href="./projects/${project.node}/create-component" class="button"><fmt:message key="button.component.create"/></a>
+    <a href="./projects/${project.node}/components/-/create" class="button"><fmt:message key="button.component.create"/></a>
 </div>
 
 <h2><fmt:message key="progress" /></h2>
@@ -63,24 +54,19 @@
 <%@include file="../jspf/issue-summary.jspf"%>
 
 <c:choose>
-    <c:when test="${viewmodel.versionFilter eq ProjectView.NO_VERSION or viewmodel.versionFilter eq ProjectView.ALL_VERSIONS}">
+    <c:when test="${empty viewmodel.versionInfo}">
         <h2>
-            <c:if test="${viewmodel.versionFilter eq ProjectView.NO_VERSION}">
-                <fmt:message key="issue.without-version" />
-            </c:if>
-            <c:if test="${viewmodel.versionFilter ne ProjectView.NO_VERSION}">
-                <fmt:message key="issues" />
-            </c:if>
+            <fmt:message key="issues" />
         </h2>
-        <c:set var="summary" value="${viewmodel.projectDetails.issueSummary}"/>
-        <c:set var="issues" value="${viewmodel.projectDetails.issues}"/>
+        <c:set var="summary" value="${viewmodel.issueSummary}"/>
+        <c:set var="issues" value="${viewmodel.issues}"/>
         <%@include file="../jspf/issue-summary.jspf"%>
         <c:if test="${not empty issues}">
             <%@include file="../jspf/issue-list.jspf"%>
         </c:if>
     </c:when>
     <c:otherwise>
-        <c:set var="versionInfo" value="${viewmodel.projectDetails.versionInfo}"/>
+        <c:set var="versionInfo" value="${viewmodel.versionInfo}"/>
         <h2>
             <fmt:message key="version" /> <c:out value="${versionInfo.version.name}" /> - <fmt:message key="version.status.${versionInfo.version.status}"/>
         </h2>