/*
* Copyright (C) 2007-2012 Argeo GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.argeo.cms.ui.workbench.internal.useradmin.parts;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.jcr.Node;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.naming.InvalidNameException;
import javax.naming.ldap.LdapName;
import javax.transaction.UserTransaction;
import org.argeo.cms.ArgeoNames;
import org.argeo.cms.CmsException;
import org.argeo.cms.ui.workbench.CmsWorkbenchStyles;
import org.argeo.cms.ui.workbench.internal.useradmin.SecurityAdminImages;
import org.argeo.cms.ui.workbench.internal.useradmin.UserAdminWrapper;
import org.argeo.cms.ui.workbench.internal.useradmin.parts.UserEditor.GroupChangeListener;
import org.argeo.cms.ui.workbench.internal.useradmin.parts.UserEditor.MainInfoListener;
import org.argeo.cms.ui.workbench.internal.useradmin.providers.CommonNameLP;
import org.argeo.cms.ui.workbench.internal.useradmin.providers.MailLP;
import org.argeo.cms.ui.workbench.internal.useradmin.providers.RoleIconLP;
import org.argeo.cms.ui.workbench.internal.useradmin.providers.UserFilter;
import org.argeo.cms.ui.workbench.internal.useradmin.providers.UserTableDefaultDClickListener;
import org.argeo.cms.util.CmsUtils;
import org.argeo.cms.util.UserAdminUtils;
import org.argeo.eclipse.ui.ColumnDefinition;
import org.argeo.eclipse.ui.EclipseUiUtils;
import org.argeo.eclipse.ui.parts.LdifUsersTable;
import org.argeo.jcr.JcrUtils;
import org.argeo.naming.LdapAttrs;
import org.argeo.node.NodeInstance;
import org.argeo.node.NodeUtils;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerDropAdapter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.dnd.TransferData;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Cursor;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.ui.forms.AbstractFormPart;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.SectionPart;
import org.eclipse.ui.forms.editor.FormEditor;
import org.eclipse.ui.forms.editor.FormPage;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.ui.forms.widgets.Section;
import org.osgi.service.useradmin.Group;
import org.osgi.service.useradmin.Role;
import org.osgi.service.useradmin.User;
import org.osgi.service.useradmin.UserAdmin;
import org.osgi.service.useradmin.UserAdminEvent;
/** Display/edit main properties of a given group */
public class GroupMainPage extends FormPage implements ArgeoNames {
final static String ID = "GroupEditor.mainPage";
private final UserEditor editor;
private final NodeInstance nodeInstance;
private final UserAdminWrapper userAdminWrapper;
private final Session session;
public GroupMainPage(FormEditor editor, UserAdminWrapper userAdminWrapper, Repository repository,
NodeInstance nodeInstance) {
super(editor, ID, "Main");
try {
session = repository.login();
} catch (RepositoryException e) {
throw new CmsException("Cannot retrieve session of in MainGroupPage constructor", e);
}
this.editor = (UserEditor) editor;
this.userAdminWrapper = userAdminWrapper;
this.nodeInstance = nodeInstance;
}
protected void createFormContent(final IManagedForm mf) {
ScrolledForm form = mf.getForm();
Composite body = form.getBody();
GridLayout mainLayout = new GridLayout();
body.setLayout(mainLayout);
Group group = (Group) editor.getDisplayedUser();
appendOverviewPart(body, group);
appendMembersPart(body, group);
}
@Override
public void dispose() {
JcrUtils.logoutQuietly(session);
super.dispose();
}
/** Creates the general section */
protected void appendOverviewPart(final Composite parent, final Group group) {
FormToolkit tk = getManagedForm().getToolkit();
Composite body = addSection(tk, parent);
// GridLayout layout = new GridLayout(5, false);
GridLayout layout = new GridLayout(2, false);
body.setLayout(layout);
String cn = UserAdminUtils.getProperty(group, LdapAttrs.cn.name());
Text cnTxt = createReadOnlyLT(body, "Common Name", cn);
Text dnTxt = createReadOnlyLT(body, "DN", group.getName());
Link markAsWorkgroupLk = new Link(body, SWT.NONE);
markAsWorkgroupLk.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1));
// Label descLbl = new Label(body, SWT.LEAD);
// descLbl.setText("Description");
// descLbl.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false,
// false));
// final Text descTxt = new Text(body, SWT.LEAD | SWT.MULTI | SWT.WRAP
// | SWT.BORDER);
// GridData gd = EclipseUiUtils.fillAll();
// gd.heightHint = 100;
// descTxt.setLayoutData(gd);
// create form part (controller)
final AbstractFormPart part = new SectionPart((Section) body.getParent()) {
private MainInfoListener listener;
@Override
public void initialize(IManagedForm form) {
super.initialize(form);
listener = editor.new MainInfoListener(parent.getDisplay(), this);
userAdminWrapper.addListener(listener);
}
@Override
public void dispose() {
userAdminWrapper.removeListener(listener);
super.dispose();
}
public void commit(boolean onSave) {
// group.getProperties().put(LdapAttrs.description.name(),
// descTxt.getText());
super.commit(onSave);
}
@Override
public void refresh() {
dnTxt.setText(group.getName());
cnTxt.setText(UserAdminUtils.getProperty(group, LdapAttrs.cn.name()));
Node workgroupHome = NodeUtils.getGroupHome(session, cn);
if (workgroupHome == null)
markAsWorkgroupLk.setText("Mark as workgroup");
else
markAsWorkgroupLk.setText(cn + " is already marked as being a workgroup");
parent.layout(true, true);
super.refresh();
}
};
markAsWorkgroupLk.addSelectionListener(new SelectionAdapter() {
private static final long serialVersionUID = -6439340898096365078L;
@Override
public void widgetSelected(SelectionEvent e) {
boolean confirmed = MessageDialog.openConfirm(parent.getShell(), "Mark as workgroup",
"Are you sure you want to mark " + cn + " as being a workgroup? ");
if (confirmed) {
Node workgroupHome = NodeUtils.getGroupHome(session, cn);
if (workgroupHome != null)
return; // already marked as workgroup, do nothing
else
try {
nodeInstance.createWorkgroup(new LdapName(group.getName()));
part.refresh();
} catch (InvalidNameException e1) {
throw new CmsException("Cannot create Workgroup for " + group.toString(), e1);
}
}
}
});
// ModifyListener defaultListener = editor.new FormPartML(part);
// descTxt.addModifyListener(defaultListener);
getManagedForm().addPart(part);
}
/** Filtered table with members. Has drag and drop ability */
protected void appendMembersPart(Composite parent, Group group) {
FormToolkit tk = getManagedForm().getToolkit();
Section section = tk.createSection(parent, Section.TITLE_BAR);
section.setLayoutData(EclipseUiUtils.fillAll());
Composite body = new Composite(section, SWT.NO_FOCUS);
section.setClient(body);
body.setLayoutData(EclipseUiUtils.fillAll());
LdifUsersTable userTableViewerCmp = createMemberPart(body, group);
SectionPart part = new GroupMembersPart(section, userTableViewerCmp, group);
getManagedForm().addPart(part);
addRemoveAbitily(part, userTableViewerCmp.getTableViewer(), group);
}
public LdifUsersTable createMemberPart(Composite parent, Group group) {
parent.setLayout(EclipseUiUtils.noSpaceGridLayout());
// Define the displayed columns
List columnDefs = new ArrayList();
columnDefs.add(new ColumnDefinition(new RoleIconLP(), "", 0, 24));
columnDefs.add(new ColumnDefinition(new CommonNameLP(), "Common Name", 150));
columnDefs.add(new ColumnDefinition(new MailLP(), "Primary Mail", 150));
// columnDefs.add(new ColumnDefinition(new UserNameLP(), "Distinguished Name",
// 240));
// Create and configure the table
LdifUsersTable userViewerCmp = new MyUserTableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL,
userAdminWrapper.getUserAdmin());
userViewerCmp.setColumnDefinitions(columnDefs);
userViewerCmp.populate(true, false);
userViewerCmp.setLayoutData(EclipseUiUtils.fillAll());
// Controllers
TableViewer userViewer = userViewerCmp.getTableViewer();
userViewer.addDoubleClickListener(new UserTableDefaultDClickListener());
int operations = DND.DROP_COPY | DND.DROP_MOVE;
Transfer[] tt = new Transfer[] { TextTransfer.getInstance() };
userViewer.addDropSupport(operations, tt,
new GroupDropListener(userAdminWrapper, userViewerCmp, (Group) editor.getDisplayedUser()));
return userViewerCmp;
}
// Local viewers
private class MyUserTableViewer extends LdifUsersTable {
private static final long serialVersionUID = 8467999509931900367L;
private final UserFilter userFilter;
public MyUserTableViewer(Composite parent, int style, UserAdmin userAdmin) {
super(parent, style, true);
userFilter = new UserFilter();
}
@Override
protected List listFilteredElements(String filter) {
Group group = (Group) editor.getDisplayedUser();
Role[] roles = group.getMembers();
List users = new ArrayList();
userFilter.setSearchText(filter);
// userFilter.setShowSystemRole(true);
for (Role role : roles)
// if (role.getType() == Role.GROUP)
if (userFilter.select(null, null, role))
users.add((User) role);
return users;
}
}
private void addRemoveAbitily(SectionPart sectionPart, TableViewer userViewer, Group group) {
Section section = sectionPart.getSection();
ToolBarManager toolBarManager = new ToolBarManager(SWT.FLAT);
ToolBar toolbar = toolBarManager.createControl(section);
final Cursor handCursor = new Cursor(section.getDisplay(), SWT.CURSOR_HAND);
toolbar.setCursor(handCursor);
toolbar.addDisposeListener(new DisposeListener() {
private static final long serialVersionUID = 3882131405820522925L;
public void widgetDisposed(DisposeEvent e) {
if ((handCursor != null) && (handCursor.isDisposed() == false)) {
handCursor.dispose();
}
}
});
Action action = new RemoveMembershipAction(userViewer, group, "Remove selected items from this group",
SecurityAdminImages.ICON_REMOVE_DESC);
toolBarManager.add(action);
toolBarManager.update(true);
section.setTextClient(toolbar);
}
private class RemoveMembershipAction extends Action {
private static final long serialVersionUID = -1337713097184522588L;
private final TableViewer userViewer;
private final Group group;
RemoveMembershipAction(TableViewer userViewer, Group group, String name, ImageDescriptor img) {
super(name, img);
this.userViewer = userViewer;
this.group = group;
}
@Override
public void run() {
ISelection selection = userViewer.getSelection();
if (selection.isEmpty())
return;
@SuppressWarnings("unchecked")
Iterator it = ((IStructuredSelection) selection).iterator();
List users = new ArrayList();
while (it.hasNext()) {
User currUser = it.next();
users.add(currUser);
}
userAdminWrapper.beginTransactionIfNeeded();
for (User user : users) {
group.removeMember(user);
}
userAdminWrapper.commitOrNotifyTransactionStateChange();
userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_CHANGED, group));
}
}
// LOCAL CONTROLLERS
private class GroupMembersPart extends SectionPart {
private final LdifUsersTable userViewer;
private final Group group;
private GroupChangeListener listener;
public GroupMembersPart(Section section, LdifUsersTable userViewer, Group group) {
super(section);
this.userViewer = userViewer;
this.group = group;
}
@Override
public void initialize(IManagedForm form) {
super.initialize(form);
listener = editor.new GroupChangeListener(userViewer.getDisplay(), GroupMembersPart.this);
userAdminWrapper.addListener(listener);
}
@Override
public void dispose() {
userAdminWrapper.removeListener(listener);
super.dispose();
}
@Override
public void refresh() {
getSection().setText("Members of group " + UserAdminUtils.getProperty(group, LdapAttrs.cn.name()));
userViewer.refresh();
super.refresh();
}
}
/**
* Defines this table as being a potential target to add group membership
* (roles) to this group
*/
private class GroupDropListener extends ViewerDropAdapter {
private static final long serialVersionUID = 2893468717831451621L;
private final UserAdminWrapper userAdminWrapper;
// private final LdifUsersTable myUserViewerCmp;
private final Group myGroup;
public GroupDropListener(UserAdminWrapper userAdminWrapper, LdifUsersTable userTableViewerCmp, Group group) {
super(userTableViewerCmp.getTableViewer());
this.userAdminWrapper = userAdminWrapper;
this.myGroup = group;
// this.myUserViewerCmp = userTableViewerCmp;
}
@Override
public boolean validateDrop(Object target, int operation, TransferData transferType) {
// Target is always OK in a list only view
// TODO check if not a string
boolean validDrop = true;
return validDrop;
}
@Override
public void drop(DropTargetEvent event) {
// TODO Is there an opportunity to perform the check before?
String newUserName = (String) event.data;
UserAdmin myUserAdmin = userAdminWrapper.getUserAdmin();
Role role = myUserAdmin.getRole(newUserName);
if (role.getType() == Role.GROUP) {
Group newGroup = (Group) role;
Shell shell = getViewer().getControl().getShell();
// Sanity checks
if (myGroup == newGroup) { // Equality
MessageDialog.openError(shell, "Forbidden addition ", "A group cannot be a member of itself.");
return;
}
// Cycle
String myName = myGroup.getName();
List myMemberships = editor.getFlatGroups(myGroup);
if (myMemberships.contains(newGroup)) {
MessageDialog.openError(shell, "Forbidden addition: cycle",
"Cannot add " + newUserName + " to group " + myName + ". This would create a cycle");
return;
}
// Already member
List newGroupMemberships = editor.getFlatGroups(newGroup);
if (newGroupMemberships.contains(myGroup)) {
MessageDialog.openError(shell, "Forbidden addition",
"Cannot add " + newUserName + " to group " + myName + ", this membership already exists");
return;
}
userAdminWrapper.beginTransactionIfNeeded();
myGroup.addMember(newGroup);
userAdminWrapper.commitOrNotifyTransactionStateChange();
userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_CHANGED, myGroup));
} else if (role.getType() == Role.USER) {
// TODO check if the group is already member of this group
UserTransaction transaction = userAdminWrapper.beginTransactionIfNeeded();
User user = (User) role;
myGroup.addMember(user);
if (UserAdminWrapper.COMMIT_ON_SAVE)
try {
transaction.commit();
} catch (Exception e) {
throw new CmsException("Cannot commit transaction " + "after user group membership update", e);
}
userAdminWrapper.notifyListeners(new UserAdminEvent(null, UserAdminEvent.ROLE_CHANGED, myGroup));
}
super.drop(event);
}
@Override
public boolean performDrop(Object data) {
// myUserViewerCmp.refresh();
return true;
}
}
// LOCAL HELPERS
private Composite addSection(FormToolkit tk, Composite parent) {
Section section = tk.createSection(parent, SWT.NO_FOCUS);
section.setLayoutData(EclipseUiUtils.fillWidth());
Composite body = tk.createComposite(section, SWT.WRAP);
body.setLayoutData(EclipseUiUtils.fillAll());
section.setClient(body);
return body;
}
/** Creates label and text. */
// private Text createLT(Composite parent, String label, String value) {
// FormToolkit toolkit = getManagedForm().getToolkit();
// Label lbl = toolkit.createLabel(parent, label);
// lbl.setLayoutData(new GridData(SWT.LEAD, SWT.CENTER, false, false));
// lbl.setFont(EclipseUiUtils.getBoldFont(parent));
// Text text = toolkit.createText(parent, value, SWT.BORDER);
// text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
// CmsUtils.style(text, CmsWorkbenchStyles.WORKBENCH_FORM_TEXT);
// return text;
// }
//
Text createReadOnlyLT(Composite parent, String label, String value) {
FormToolkit toolkit = getManagedForm().getToolkit();
Label lbl = toolkit.createLabel(parent, label);
lbl.setLayoutData(new GridData(SWT.END, SWT.CENTER, false, false));
lbl.setFont(EclipseUiUtils.getBoldFont(parent));
Text text = toolkit.createText(parent, value, SWT.NONE);
text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
text.setEditable(false);
CmsUtils.style(text, CmsWorkbenchStyles.WORKBENCH_FORM_TEXT);
return text;
}
}