CCM NG/ccm-core: Some work for the Vaadin prototype

git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@4825 8810af33-2d31-482b-a856-94f89814c4df

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

@@ -45,6 +45,8 @@ import org.libreccm.cdi.utils.CdiUtil;
 import org.libreccm.security.Group;
 import org.libreccm.security.GroupManager;
 import org.libreccm.security.GroupRepository;
+import org.libreccm.security.Role;
+import org.libreccm.security.RoleRepository;
 import org.libreccm.security.User;
 import org.libreccm.security.UserRepository;
 
@@ -64,6 +66,9 @@ public class GroupDetails extends Window {
     private static final String COL_EMAIL = "email";
     private static final String COL_REMOVE = "remove";
 
+    private static final String COL_ROLE_NAME = "role_name";
+    private static final String COL_ROLE_REMOVE = "remove";
+
     private final UsersGroupsRoles usersGroupsRoles;
     private final Group group;
     private final GroupRepository groupRepo;
@@ -152,7 +157,8 @@ public class GroupDetails extends Window {
         dataHasChanged = false;
 
         final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-        final GroupMembersController controller = cdiUtil
+
+        final GroupMembersController membersController = cdiUtil
             .findBean(GroupMembersController.class);
 
         final Grid<User> membersGrid = new Grid<>();
@@ -172,7 +178,7 @@ public class GroupDetails extends Window {
         membersGrid.addColumn(user -> bundle.getString(
             "ui.groups.members.remove"),
                               new ButtonRenderer<>(event -> {
-                                  controller
+                                  membersController
                                       .removeMemberFromGroup(event.getItem(),
                                                              group);
                                   membersGrid.getDataProvider().refreshAll();
@@ -195,7 +201,8 @@ public class GroupDetails extends Window {
                 userRepo.findByGroup(group),
                 (selectedUsers -> {
                     selectedUsers.forEach(user -> {
-                        controller.addMembersToGroup(selectedUsers, group);
+                        membersController
+                            .addMembersToGroup(selectedUsers, group);
                         membersGrid.getDataProvider().refreshAll();
                     });
                 }));
@@ -217,6 +224,35 @@ public class GroupDetails extends Window {
         dataProvider.setGroup(group);
         membersGrid.setDataProvider(dataProvider);
 
+        final GroupRolesController rolesController = cdiUtil
+            .findBean(GroupRolesController.class);
+        final Grid<Role> rolesGrid = new Grid<>();
+        rolesGrid
+            .addColumn(Role::getName)
+            .setId(COL_ROLE_NAME)
+            .setCaption("Role Name");
+        rolesGrid
+            .addColumn(role -> bundle
+            .getString("ui.groups.roles.remove"),
+                       new ButtonRenderer<>(event -> {
+                           rolesController
+                               .removeRoleFromGroup(event.getItem(), group);
+                           rolesGrid.getDataProvider().refreshAll();
+                       }))
+            .setId(COL_ROLE_REMOVE);
+        
+        rolesGrid.setWidth("100%");
+        
+        final RoleRepository roleRepository = cdiUtil
+            .findBean(RoleRepository.class);
+        
+        final HeaderRow rolesGridHeader = rolesGrid.prependHeaderRow();
+        final Button addRoleButton = new Button("Add role");
+        addRoleButton.setIcon(VaadinIcons.PLUS);
+        addRoleButton.setStyleName(ValoTheme.BUTTON_TINY);
+        addRoleButton.addClickListener(event -> {
+            
+        });
         //ToDo Add roles grid
 
         final TabSheet tabs = new TabSheet();

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

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2017 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.admin.ui.usersgroupsroles;
+
+import org.libreccm.security.Role;
+
+import java.util.Set;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@FunctionalInterface
+public interface RoleSelectionAction {
+    
+    void action(Set<Role> selectedRoles);
+    
+}

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

@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2017 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.admin.ui.usersgroupsroles;
+
+import com.arsdigita.ui.admin.AdminUiConstants;
+
+import com.vaadin.cdi.CDIUI;
+import com.vaadin.icons.VaadinIcons;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.HorizontalLayout;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.Window;
+import com.vaadin.ui.components.grid.HeaderCell;
+import com.vaadin.ui.components.grid.HeaderRow;
+import com.vaadin.ui.themes.ValoTheme;
+import org.libreccm.cdi.utils.CdiUtil;
+import org.libreccm.security.Role;
+import org.libreccm.security.RoleRepository;
+
+import java.util.List;
+import java.util.ResourceBundle;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class RoleSelector extends Window {
+    
+    private static final long serialVersionUID = -1437536052155383270L;
+    
+    private static final String COL_NAME = "rolename";
+    
+    private final RoleRepository roleRepo;
+    
+    private final RoleSelectionAction roleSelectionAction;
+    
+    public RoleSelector(final String caption,
+                        final String actionLabel,
+                        final UsersGroupsRoles usersGroupsRoles,
+                        final List<Role> excludedRoles,
+                        final RoleSelectionAction action) {
+        
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        roleRepo = cdiUtil.findBean(RoleRepository.class);
+        this.roleSelectionAction = action;
+        
+        addWidgets(caption, actionLabel, excludedRoles, action);
+    }
+    
+    private void addWidgets(final String caption,
+                            final String actionLabel,
+                            final List<Role> excludedRoles,
+                            final RoleSelectionAction action) {
+        
+        setCaption(caption);
+        
+        final ResourceBundle bundle = ResourceBundle
+            .getBundle(AdminUiConstants.ADMIN_BUNDLE,
+                       UI.getCurrent().getLocale());
+
+        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        
+        final Grid<Role> rolesGrid = new Grid<>();
+        rolesGrid
+            .addColumn(Role::getName)
+            .setId(COL_NAME)
+            .setCaption("Role");
+        
+        rolesGrid.setSelectionMode(Grid.SelectionMode.MULTI);
+        rolesGrid.setWidth("100%");
+        
+        final Button actionButton = new Button(actionLabel);
+        actionButton.addClickListener(event -> {
+            action.action(rolesGrid.getSelectedItems());
+            close();
+        });
+        
+        actionButton.setIcon(VaadinIcons.PLUS_CIRCLE_O);
+        actionButton.setStyleName(ValoTheme.BUTTON_TINY);
+
+        final Button clearButton = new Button("Clear selection");
+        clearButton.addClickListener(event -> {
+            rolesGrid.getSelectionModel().deselectAll();
+        });
+        clearButton.setIcon(VaadinIcons.BACKSPACE);
+        clearButton.setStyleName(ValoTheme.BUTTON_TINY);
+        
+        final HeaderRow actions = rolesGrid.prependHeaderRow();
+        final HeaderCell actionsCell = actions.join(COL_NAME);
+        actionsCell.setComponent(new HorizontalLayout(actionButton,
+                                                      clearButton));
+
+        final RoleSelectorDataProvider dataProvider = cdiUtil
+            .findBean(RoleSelectorDataProvider.class);
+
+        dataProvider.setExcludedRoles(excludedRoles);
+
+        rolesGrid.setDataProvider(dataProvider);
+
+        setContent(rolesGrid);
+    }
+}

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

@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2017 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.admin.ui.usersgroupsroles;
+
+import com.vaadin.cdi.ViewScoped;
+import com.vaadin.data.provider.AbstractDataProvider;
+import com.vaadin.data.provider.Query;
+import org.libreccm.security.Role;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
+
+import javax.inject.Inject;
+import javax.persistence.EntityManager;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Root;
+import javax.transaction.Transactional;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ViewScoped
+public class RoleSelectorDataProvider extends AbstractDataProvider<Role, String> {
+
+    private static final long serialVersionUID = 3915041291561733758L;
+
+    @Inject
+    private EntityManager entityManager;
+
+    private String roleNameFilter;
+
+    private List<Role> excludedRoles;
+
+    @Override
+    public boolean isInMemory() {
+        return false;
+    }
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    @Override
+    public int size(final Query<Role, String> query) {
+        final CriteriaBuilder builder = entityManager.getCriteriaBuilder();
+        final CriteriaQuery<Long> criteriaQuery = builder
+            .createQuery(Long.class);
+        final Root<Role> from = criteriaQuery.from(Role.class);
+        
+        criteriaQuery
+            .select(builder.count(from))
+            .distinct(true);
+        
+        if (roleNameFilter != null && !roleNameFilter.trim().isEmpty()) {
+            criteriaQuery
+                .where(builder.like(builder.lower(from.get("name")),
+                                    String.format("%s%%", roleNameFilter)));
+        }
+        
+        if (excludedRoles != null && !excludedRoles.isEmpty()) {
+            criteriaQuery.where(builder.not(from.in(excludedRoles)));
+        }
+        
+        return entityManager
+            .createQuery(criteriaQuery)
+            .getSingleResult()
+            .intValue();
+    }
+
+    @Transactional(Transactional.TxType.REQUIRED)
+    @Override
+    public Stream<Role> fetch(final Query<Role, String> query) {
+        final CriteriaBuilder builder = entityManager.getCriteriaBuilder();
+        final CriteriaQuery<Role> criteriaQuery = builder
+        .createQuery(Role.class);
+        final Root<Role> from = criteriaQuery.from(Role.class);
+        
+        criteriaQuery.distinct(true);
+        
+        if (roleNameFilter != null && !roleNameFilter.trim().isEmpty()) {
+            criteriaQuery
+                .where(builder.like(builder.lower(from.get("name")),
+                                    String.format("%s%%", roleNameFilter)));
+        }
+        
+        if (excludedRoles != null && !excludedRoles.isEmpty()) {
+            criteriaQuery.where(builder.not(from.in(excludedRoles)));
+        }    
+        
+        criteriaQuery.orderBy(builder.asc(from.get("name")));
+        
+        return entityManager
+            .createQuery(criteriaQuery)
+            .setMaxResults(query.getLimit())
+            .setFirstResult(query.getOffset())
+            .getResultList()
+            .stream();
+    }
+    
+    public void setRoleNameFilter(final String roleNameFilter) {
+        this.roleNameFilter = roleNameFilter;
+        refreshAll();
+    }
+    
+    public void setExcludedRoles(final List<Role> excluededRoles) {
+        this.excludedRoles = new ArrayList<>(excluededRoles);
+        refreshAll();
+    }
+}