More work on admin UI with Wicket

ccm-bundle-devel-wildfly/pom.xml

@@ -244,9 +244,13 @@
                 <configuration>
                     <skip>false</skip>
                     <propertiesFile>${project.basedir}/wildfly.properties</propertiesFile>
+                    
                     <env>
                         <wicket.configuration>development</wicket.configuration>
                     </env>
+                    <java-opts>
+                        <java-opt>-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=8787</java-opt>
+                    </java-opts>
                 </configuration>
             </plugin>
 

ccm-core/pom.xml

@@ -253,7 +253,10 @@
         <dependency>
             <groupId>org.apache.wicket</groupId>
             <artifactId>wicket-core</artifactId>
-            <version>9.0.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.wicket</groupId>
+            <artifactId>wicket-cdi</artifactId>
         </dependency>
         
         <!-- Export Import Libraries -->

ccm-core/src/main/java/org/libreccm/ui/CcmAdminFilter.java

@@ -24,8 +24,6 @@ import org.libreccm.security.PermissionChecker;
 import org.libreccm.security.Shiro;
 
 import java.io.IOException;
-import java.net.URL;
-import java.net.http.HttpRequest;
 
 import javax.inject.Inject;
 import javax.servlet.FilterChain;
@@ -43,7 +41,7 @@ import javax.servlet.http.HttpServletResponse;
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @WebFilter(
-    value = "/@admin/",
+    value = "/@admin/*",
     initParams = {
         @WebInitParam(
             name = "applicationClassName",

ccm-core/src/main/java/org/libreccm/ui/MissingPageDataException.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+
+package org.libreccm.ui;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class MissingPageDataException extends RuntimeException {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Creates a new instance of <code>MissingPageDataException</code> without detail message.
+     */
+    public MissingPageDataException() {
+        super();
+    }
+
+
+    /**
+     * Constructs an instance of <code>MissingPageDataException</code> with the specified detail message.
+     *
+     * @param msg The detail message.
+     */
+    public MissingPageDataException(final String msg) {
+        super(msg);
+    }
+
+    /**
+      * Constructs an instance of <code>MissingPageDataException</code> which wraps the 
+      * specified exception.
+      *
+      * @param exception The exception to wrap.
+      */
+    public MissingPageDataException(final Exception exception) {
+        super(exception);
+    }
+
+    /**
+      * Constructs an instance of <code>MissingPageDataException</code> with the specified message which also wraps the 
+      * specified exception.
+      *
+      * @param msg The detail message.
+      * @param exception The exception to wrap.
+      */
+    public MissingPageDataException(final String msg, final Exception exception) {
+        super(msg, exception);
+    }
+}

ccm-core/src/main/java/org/libreccm/ui/admin/AdminPage.java

@@ -19,6 +19,15 @@
 package org.libreccm.ui.admin;
 
 import org.apache.wicket.markup.html.WebPage;
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.repeater.RepeatingView;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import javax.enterprise.inject.Instance;
+import javax.inject.Inject;
 
 /**
  *
@@ -28,4 +37,31 @@ public class AdminPage extends WebPage {
 
     private static final long serialVersionUID = 1L;
 
+    @Inject
+    private Instance<AdminPagesProvider> adminPages;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public AdminPage() {
+        super();
+
+        final List<AdminPageData> adminPagesData = adminPages
+            .stream()
+            .map(AdminPagesProvider::getAdminPagesData)
+            .flatMap(Collection::stream)
+            .sorted(
+                (page1, page2) -> Integer.compare(
+                    page1.getPosition(), page2.getPosition()
+                )
+            )
+            .collect(Collectors.toList());
+
+        final RepeatingView adminPagesView = new RepeatingView("adminPages");
+        for (final AdminPageData adminPageData : adminPagesData) {
+            adminPagesView.add(
+                new Label(adminPagesView.newChildId(), adminPageData.getLabel())
+            );
+        }
+        add(adminPagesView);
+    }
+
 }

ccm-core/src/main/java/org/libreccm/ui/admin/AdminPageData.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import java.util.Objects;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class AdminPageData {
+
+    private final String path;
+
+    private final Class<? extends AdminPage> pageClass;
+
+    private final int position;
+
+    private final String label;
+
+    private final String description;
+
+    AdminPageData(
+        final String path,
+        final Class<? extends AdminPage> pageClass,
+        final int position,
+        final String label,
+        final String description
+    ) {
+        this.path = path;
+        this.pageClass = pageClass;
+        this.position = position;
+        this.label = label;
+        this.description = description;
+    }
+
+    public String getPath() {
+        return path;
+    }
+
+    public Class<? extends AdminPage> getPageClass() {
+        return pageClass;
+    }
+
+    public int getPosition() {
+        return position;
+    }
+
+    public String getLabel() {
+        return label;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 3;
+        hash = 59 * hash + Objects.hashCode(path);
+        hash = 59 * hash + Objects.hashCode(pageClass);
+        hash = 59 * hash + position;
+        hash = 59 * hash + Objects.hashCode(label);
+        hash = 59 * hash + Objects.hashCode(description);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(final Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if ((obj instanceof AdminPageData)) {
+            return false;
+        }
+        final AdminPageData other = (AdminPageData) obj;
+        if (other.canEqual(this)) {
+            return false;
+        }
+        if (!Objects.equals(path, other.getPath())) {
+            return false;
+        }
+        if (!Objects.equals(pageClass, other.getPageClass())) {
+            return false;
+        }
+        if (position != other.getPosition()) {
+            return false;
+        }
+        if (!Objects.equals(label, other.getLabel())) {
+            return false;
+        }
+        return Objects.equals(description, other.getDescription());
+    }
+
+    public boolean canEqual(final Object obj) {
+        return obj instanceof AdminPageData;
+    }
+
+    @Override
+    public final String toString() {
+        return toString("");
+    }
+    
+    public String toString(final String data) {
+        return String.format("%s{"
+                + "path = %s, "
+                + "pageClass = %s, "
+                + "order = %d, "
+                + "label = %s, "
+                + "description = %s%s"
+                + "}",
+            super.toString(),
+            path,
+            pageClass.getName(),
+            position,
+            label,
+            description,
+            data
+        );
+    }
+    
+   
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/AdminPageDataBuilder.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.MissingPageDataException;
+
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class AdminPageDataBuilder {
+
+    private String path;
+
+    private final Class<? extends AdminPage> pageClass;
+
+    private Integer position;
+
+    private ResourceBundle labelBundle;
+
+    private String labelKey;
+
+    private ResourceBundle descriptionBundle;
+
+    private String descriptionKey;
+
+    private AdminPageDataBuilder(final Class<? extends AdminPage> pageClass) {
+        this.pageClass = pageClass;
+    }
+    
+    public AdminPageDataBuilder mountedTo(final String path) {
+        this.path = path;
+        return this;
+    }
+
+    public static AdminPageDataBuilder forPage(
+        final Class<? extends AdminPage> pageClass
+    ) {
+        return new AdminPageDataBuilder(pageClass);
+    }
+
+    public AdminPageDataBuilder atPosition(final int position) {
+        this.position = position;
+        return this;
+    }
+
+    public AdminPageDataBuilder withLabel(
+        final ResourceBundle labelBundle, final String labelKey
+    ) {
+        this.labelBundle = labelBundle;
+        this.labelKey = labelKey;
+        return this;
+    }
+
+    public AdminPageDataBuilder withDescription(
+        final ResourceBundle descriptionBundle, final String descriptionKey
+    ) {
+        this.descriptionBundle = descriptionBundle;
+        this.descriptionKey = descriptionKey;
+        return this;
+    }
+
+    public AdminPageData build() {
+        if (path == null || path.isBlank()) {
+            throw new MissingPageDataException("Missing path for page.");
+        }
+
+        if (pageClass == null) {
+            throw new MissingPageDataException("Missing class for page.");
+        }
+
+        if (position == null) {
+            throw new MissingPageDataException("Missing position for page.");
+        }
+
+        if (labelBundle == null) {
+            throw new MissingPageDataException(
+                "Missing label bundle for page."
+            );
+        }
+
+        if (labelKey == null || labelKey.isBlank()) {
+            throw new MissingPageDataException("Missing label key for page.");
+        }
+
+        if (descriptionBundle == null) {
+            throw new MissingPageDataException(
+                "Missing description bundle for page."
+            );
+        }
+
+        if (descriptionKey == null || descriptionKey.isBlank()) {
+            throw new MissingPageDataException(
+                "Missing description key for page."
+            );
+        }
+
+        final String label = getLabelFromBundle();
+        final String description = getDescriptionFromBundle();
+        
+
+        return new AdminPageData(path, pageClass, position, label, description);
+    }
+
+    private String getLabelFromBundle() {
+        try {
+            return labelBundle.getString(labelKey);
+        } catch(MissingResourceException ex) {
+            return labelKey;
+        }
+    }
+    
+    private String getDescriptionFromBundle() {
+        try {
+            return descriptionBundle.getString(descriptionKey);
+        } catch(MissingResourceException ex) {
+            return descriptionKey;
+        }
+    }
+}

ccm-core/src/main/java/org/libreccm/ui/admin/AdminPagesProvider.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import java.util.Set;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public interface AdminPagesProvider {
+
+    Set<AdminPageData> getAdminPagesData();
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/ApplicationsPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.applications.ApplicationsPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ApplicationsPage extends AdminPage {
+    
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ApplicationsPage() {
+        super();
+        add(new ApplicationsPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/CategoriesPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.categories.CategoriesPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class CategoriesPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public CategoriesPage() {
+        super();
+        add(new CategoriesPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/CcmAdmin.java

@@ -18,15 +18,26 @@
  */
 package org.libreccm.ui.admin;
 
+import org.apache.wicket.cdi.CdiConfiguration;
 import org.apache.wicket.markup.html.WebPage;
 import org.apache.wicket.protocol.http.WebApplication;
 
+import java.util.Collection;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import javax.enterprise.inject.Instance;
+import javax.inject.Inject;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class CcmAdmin extends WebApplication {
 
+    @Inject
+    private Instance<AdminPagesProvider> adminPages;
+
     @Override
     public Class<? extends WebPage> getHomePage() {
         return DashboardPage.class;
@@ -36,6 +47,30 @@ public class CcmAdmin extends WebApplication {
     public void init() {
         super.init();
 //        setConfigurationType(RuntimeConfigurationType.DEPLOYMENT);
+
+        final CdiConfiguration cdiConfiguration = new CdiConfiguration();
+        cdiConfiguration.configure(this);
+
+        final Set<AdminPageData> adminPagesData = adminPages
+            .stream()
+            .map(AdminPagesProvider::getAdminPagesData)
+            .flatMap(Collection::stream)
+            .collect(Collectors.toSet());
+
+        for (final AdminPageData adminPageData : adminPagesData) {
+            mountPage(adminPageData.getPath(), adminPageData.getPageClass());
+        }
+
+//        mountPage("applications", ApplicationsPage.class);
+//        mountPage("categories", CategoriesPage.class);
+//        mountPage("configuration", ConfigurationPage.class);
+//        mountPage("imexport", ImExportPage.class);
+//        mountPage("pagemodels", PageModelsPage.class);
+//        mountPage("sites", SitesPage.class);
+//        mountPage("systeminformation", SystemInformationPage.class);
+//        mountPage("users-groups-roles/groups", GroupsPage.class);
+//        mountPage("users-groups-roles/roles", RolesPage.class);
+//        mountPage("users-groups-roles/users", UsersPage.class);
     }
 
 }

ccm-core/src/main/java/org/libreccm/ui/admin/CcmCoreAdminPages.java

@@ -0,0 +1,136 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.l10n.GlobalizationHelper;
+import org.libreccm.ui.admin.usersgroupsroles.GroupsPage;
+import org.libreccm.ui.admin.usersgroupsroles.RolesPage;
+import org.libreccm.ui.admin.usersgroupsroles.UsersPage;
+
+import java.util.ResourceBundle;
+import java.util.Set;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ApplicationScoped
+public class CcmCoreAdminPages implements AdminPagesProvider {
+
+    @Inject
+    private GlobalizationHelper globalizationHelper;
+
+    @Override
+    public Set<AdminPageData> getAdminPagesData() {
+        final ResourceBundle adminBundle = ResourceBundle.getBundle(
+            "org.libreccm.ui.admin.AdminBundle",
+            globalizationHelper.getNegotiatedLocale()
+        );
+
+        return Set.of(
+            AdminPageDataBuilder
+                .forPage(ApplicationsPage.class)
+                .mountedTo("applications")
+                .atPosition(10)
+                .withLabel(adminBundle, "applications.label")
+                .withDescription(adminBundle, "applications.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(CategoriesPage.class)
+                .mountedTo("categories")
+                .atPosition(20)
+                .withLabel(adminBundle, "categories.label")
+                .withDescription(adminBundle, "categories.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(ConfigurationPage.class)
+                .mountedTo("configuration")
+                .atPosition(30)
+                .withLabel(adminBundle, "configuration.label")
+                .withDescription(adminBundle, "configuration.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(ImExportPage.class)
+                .mountedTo("imexport")
+                .atPosition(40)
+                .withLabel(adminBundle, "imexport.label")
+                .withDescription(adminBundle, "imexport.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(ConfigurationPage.class)
+                .mountedTo("pagemodels")
+                .atPosition(50)
+                .withLabel(adminBundle, "pagemodels.label")
+                .withDescription(adminBundle, "pagemodels.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(SitesPage.class)
+                .mountedTo("sites")
+                .atPosition(60)
+                .withLabel(adminBundle, "sites.label")
+                .withDescription(adminBundle, "sites.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(SystemInformationPage.class)
+                .mountedTo("systeminformation")
+                .atPosition(70)
+                .withLabel(adminBundle, "systeminformation.label")
+                .withDescription(adminBundle, "systeminformation.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(UsersGroupsRolesPage.class)
+                .mountedTo("users-groups-roles")
+                .atPosition(80)
+                .withLabel(adminBundle, "usersGroupsRoles.label")
+                .withDescription(adminBundle, "usersGroupsRoles.description")
+                .build(),
+            AdminPageDataBuilder
+                .forPage(GroupsPage.class)
+                .mountedTo("users-groups-roles/groups")
+                .atPosition(90)
+                .withLabel(adminBundle, "usersGroupsRoles.groups.label")
+                .withDescription(
+                    adminBundle, "usersGroupsRoles.groups.description"
+                )
+                .build(),
+            AdminPageDataBuilder
+                .forPage(RolesPage.class)
+                .mountedTo("users-groups-roles/roles")
+                .atPosition(100)
+                .withLabel(adminBundle, "usersGroupsRoles.roles.label")
+                .withDescription(
+                    adminBundle, "usersGroupsRoles.roles.description"
+                )
+                .build(),
+            AdminPageDataBuilder
+                .forPage(UsersPage.class)
+                .mountedTo("users-groups-roles/users")
+                .atPosition(110)
+                .withLabel(adminBundle, "usersGroupsRoles.users.label")
+                .withDescription(
+                    adminBundle, "usersGroupsRoles.users.description"
+                )
+                .build()
+        );
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/ConfigurationPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.configuration.ConfigurationPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ConfigurationPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ConfigurationPage() {
+        super();
+        add(new ConfigurationPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/DashboardPage.java

@@ -18,6 +18,8 @@
  */
 package org.libreccm.ui.admin;
 
+import org.libreccm.ui.admin.dashboard.DashboardPanel;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
@@ -28,8 +30,9 @@ public class DashboardPage extends AdminPage {
 
     @SuppressWarnings("OverridableMethodCallInConstructor")
     public DashboardPage() {
+        super();
 //        add(new Label("dashboardLabel", "CCM Admin Dashboard"));
-          add(new DashboardPanel("adminPanel"));
+        add(new DashboardPanel("adminPanel"));
     }
 
 }

ccm-core/src/main/java/org/libreccm/ui/admin/ImExportPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.imexport.ImExportPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ImExportPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ImExportPage() {
+        super();
+        add(new ImExportPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/PageModelsPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.pagemodels.PageModelsPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class PageModelsPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public PageModelsPage() {
+        super();
+        add(new PageModelsPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/SitesPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.sites.SitesPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class SitesPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public SitesPage() {
+        super();
+        add(new SitesPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/SystemInformationPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.systeminformation.SystemInformationPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class SystemInformationPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public SystemInformationPage() {
+        super();
+        add(new SystemInformationPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/UsersGroupsRolesPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin;
+
+import org.libreccm.ui.admin.usersgroupsroles.UsersGroupsRolesPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class UsersGroupsRolesPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public UsersGroupsRolesPage() {
+        super();
+        add(new UsersGroupsRolesPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/applications/ApplicationsPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.applications;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ApplicationsPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ApplicationsPanel(final String id) {
+        super(id);
+        add(new Label("applicationsLabel", "Applications Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/categories/CategoriesPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.categories;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class CategoriesPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public CategoriesPanel(final String id) {
+        super(id);
+        add(new Label("categoriesLabel", "Categories Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/configuration/ConfigurationPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.configuration;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ConfigurationPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ConfigurationPanel(final String id) {
+        super(id);
+        add(new Label("configurationLabel", "Configuration Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/dashboard/DashboardPanel.java

@@ -16,7 +16,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301  USA
  */
-package org.libreccm.ui.admin;
+package org.libreccm.ui.admin.dashboard;
 
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.markup.html.panel.Panel;

ccm-core/src/main/java/org/libreccm/ui/admin/imexport/ImExportPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.imexport;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class ImExportPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public ImExportPanel(final String id) {
+        super(id);
+        add(new Label("imexportLabel", "Import/Export Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/pagemodels/PageModelsPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.pagemodels;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class PageModelsPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public PageModelsPanel(final String id) {
+        super(id);
+        add(new Label("pageModelsLabel", "PageModel Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SitesPanel.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.sites;
+
+import org.libreccm.ui.admin.configuration.*;
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class SitesPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public SitesPanel(final String id) {
+        super(id);
+        add(new Label("sitesLabel", "Sites Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/systeminformation/SystemInformationPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.systeminformation;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class SystemInformationPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public SystemInformationPanel(final String id) {
+        super(id);
+        add(new Label("systemInformationLabel", "Systeminformation Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/GroupsPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles;
+
+import org.libreccm.ui.admin.AdminPage;
+import org.libreccm.ui.admin.usersgroupsroles.groups.GroupsPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class GroupsPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public GroupsPage() {
+        add(new GroupsPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/RolesPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles;
+
+import org.libreccm.ui.admin.AdminPage;
+import org.libreccm.ui.admin.usersgroupsroles.roles.RolesPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class RolesPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public RolesPage() {
+        add(new RolesPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/UsersGroupsRolesPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class UsersGroupsRolesPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public UsersGroupsRolesPanel(final String id) {
+        super(id);
+        add(new Label("usersGroupsRolesLabel", "Users/Groups/Roles Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/UsersPage.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles;
+
+import org.libreccm.ui.admin.AdminPage;
+import org.libreccm.ui.admin.usersgroupsroles.users.UsersPanel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class UsersPage extends AdminPage {
+
+    private static final long serialVersionUID = 1L;
+    
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public UsersPage() {
+        add(new UsersPanel("adminPanel"));
+    }
+    
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/groups/GroupsPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles.groups;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class GroupsPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public GroupsPanel(final String id) {
+        super(id);
+        add(new Label("groupsLabel", "Groups Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/roles/RolesPanel.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles.roles;
+
+import org.libreccm.ui.admin.configuration.*;
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class RolesPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public RolesPanel(final String id) {
+        super(id);
+        add(new Label("rolesLabel", "Roles Placeholder"));
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/usersgroupsroles/users/UsersPanel.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.usersgroupsroles.users;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.markup.html.panel.Panel;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class UsersPanel extends Panel {
+
+    private static final long serialVersionUID = 1L;
+
+    @SuppressWarnings("OverridableMethodCallInConstructor")
+    public UsersPanel(final String id) {
+        super(id);
+        add(new Label("usersLabel", "Users Placeholder"));
+    }
+
+}

ccm-core/src/main/resources/org/libreccm/ui/admin/AdminBundle.properties

@@ -0,0 +1,41 @@
+# Copyright (C) 2020 LibreCCM Foundation.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301  USA
+
+applications.label=Applications
+applications.description=Manage application instances
+categories.label=Categories
+categories.description=Manage categories
+configuration.label=Configuration
+configuration.description=Manage settings
+dashboard.label=Dashboard
+dashboard.description=Provides an overview of all available admin pages
+imexport.label=Export/Import
+imexport.description=Export and import entities
+pagemodels.label=Page Models
+pagemodels.description=Manage page models
+sites.label=Sites
+sites.description=Manage sites
+usersGroupsRoles.label=Users/Groups/Roles
+usersGroupsRoles.description=Manage users, groups and roles
+usersGroupsRoles.groups.label=Groups
+usersGroupsRoles.groups.description=Manage groups
+usersGroupsRoles.roles.label=Roles
+usersGroupsRoles.roles.description=Manage roles
+usersGroupsRoles.users.label=Users
+usersGroupsRoles.users.description=Manage users
+systeminformation.label=System Information
+systeminformation.description=Shows several informations about this CCM instance and its environment

ccm-core/src/main/resources/org/libreccm/ui/admin/AdminBundle_de.properties

@@ -0,0 +1,41 @@
+# Copyright (C) 2020 LibreCCM Foundation.
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301  USA
+
+applications.label=Applikationen
+applications.description=Verwalten der Instanzen der Applikationen
+categories.label=Kategorien
+categories.description=Verwaltung der Kategorien
+configuration.label=Konfiguration
+configuration.description=Konfiguration bearbeiten
+dashboard.label=Dashboard
+dashboard.description=\u00dcberblick \u00fcber alle Administrations-Seiten
+imexport.label=Export/Import
+imexport.description=Daten exportieren und importieren
+pagemodels.label=Page Models
+pagemodels.description=Verwalten der Page Models
+sites.label=Sites
+sites.description=Verwalten der Sites
+usersGroupsRoles.label=Benutzer*innen/Gruppen/Rollen
+usersGroupsRoles.description=Benutzer*innen, Gruppen und Rollen verwalten
+usersGroupsRoles.groups.label=Gruppen
+usersGroupsRoles.groups.description=Gruppen verwalten
+usersGroupsRoles.roles.label=Rollen
+usersGroupsRoles.roles.description=Rollen verwalten
+usersGroupsRoles.users.label=Benutzer*innen
+usersGroupsRoles.users.description=Benutzer*innen verwalten
+systeminformation.label=System Information
+systeminformation.description=Zeigt verschiedene Informationen \u00fcber diese CCM Instanz und ihre Umgebung

ccm-core/src/main/resources/org/libreccm/ui/admin/AdminPage.html

@@ -5,6 +5,9 @@
         <title>LibreCCM Admin</title>
     </head>
     <body>
+        <ul>
+            <li wicket:id="adminPages">[adminPageName]</li>
+        </ul>
         <div wicket:id="adminPanel">[admin panel]</div>
     </body>
 </html>

ccm-core/src/main/resources/org/libreccm/ui/admin/applications/ApplicationsPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="applicationsLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/categories/CategoriesPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="categoriesLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/configuration/ConfigurationPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="configurationLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/imexport/ImExportPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="imexportLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/pagemodels/PageModelsPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="pageModelsLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/sites/SitesPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="sitesLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/systeminformation/SystemInformationPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="systemInformationLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/usersgroupsroles/UsersGroupsRolesPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="usersGroupsRolesLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/usersgroupsroles/groups/GroupsPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="groupsLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/usersgroupsroles/roles/RolesPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="rolesLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>

ccm-core/src/main/resources/org/libreccm/ui/admin/usersgroupsroles/users/UsersPanel.html

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8" />
+    </head>
+    <body>
+        <wicket:panel>
+            <div wicket:id="usersLabel">
+                [Label's message goes here]
+            </div>
+        </wicket:panel>
+    </body>
+</html>