/*
* RHQ Management Platform
* Copyright (C) 2005-2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.coregui.client.admin.users;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.smartgwt.client.types.SelectionStyle;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.grid.events.CellClickEvent;
import com.smartgwt.client.widgets.grid.events.CellClickHandler;
import org.rhq.core.domain.authz.Permission;
import org.rhq.coregui.client.CoreGUI;
import org.rhq.coregui.client.IconEnum;
import org.rhq.coregui.client.admin.AdministrationView;
import org.rhq.coregui.client.components.table.EscapedHtmlCellFormatter;
import org.rhq.coregui.client.components.table.TableAction;
import org.rhq.coregui.client.components.table.TableSection;
import org.rhq.coregui.client.components.view.HasViewName;
import org.rhq.coregui.client.components.view.ViewName;
import org.rhq.coregui.client.gwt.GWTServiceLookup;
import org.rhq.coregui.client.gwt.SubjectGWTServiceAsync;
import org.rhq.coregui.client.util.enhanced.EnhancedIButton.ButtonColor;
import org.rhq.coregui.client.util.message.Message;
/**
* A table that lists all users and provides the ability to view or edit details of users, delete users, or create new
* users. For the logged in user to view or edit a user other than themselves, they must possess the
* {@link Permission#MANAGE_SECURITY MANAGE_SECURITY} permission. Furthermore, a user without MANAGE_SECURITY cannot
* update their assigned roles.
*
* @author Greg Hinkle
* @author Ian Springer
*/
public class UsersView extends TableSection<UsersDataSource> implements HasViewName {
public static final ViewName VIEW_ID = new ViewName("Users", MSG.common_title_users(), IconEnum.USERS);
public static final String VIEW_PATH = AdministrationView.VIEW_ID + "/"
+ AdministrationView.SECTION_SECURITY_VIEW_ID + "/" + VIEW_ID;
private boolean hasManageSecurity;
public UsersView(boolean hasManageSecurity) {
super(null);
final UsersDataSource dataSource = UsersDataSource.getInstance();
setDataSource(dataSource);
setEscapeHtmlInDetailsLinkColumn(true);
this.hasManageSecurity = hasManageSecurity;
}
@Override
protected void configureTable() {
updateSelectionStyle();
getListGrid().addCellClickHandler(new CellClickHandler() {
public void onCellClick(CellClickEvent event) {
updateSelectionStyle();
}
});
List<ListGridField> fields = createFields();
setListGridFields(fields.toArray(new ListGridField[fields.size()]));
addTableAction(MSG.common_button_new(), ButtonColor.BLUE, createNewAction());
addTableAction(MSG.common_button_delete(), getDeleteConfirmMessage(), ButtonColor.RED, createDeleteAction());
super.configureTable();
}
@Override
public void refresh() {
super.refresh();
updateSelectionStyle();
}
private void updateSelectionStyle() {
if (!hasManageSecurity) {
getListGrid().deselectAllRecords();
}
SelectionStyle selectionStyle = hasManageSecurity ? getDefaultSelectionStyle() : SelectionStyle.NONE;
getListGrid().setSelectionType(selectionStyle);
}
private List<ListGridField> createFields() {
List<ListGridField> fields = new ArrayList<ListGridField>();
ListGridField nameField = new ListGridField(UsersDataSource.Field.NAME);
nameField.setWidth("*");
fields.add(nameField);
ListGridField activeField = new ListGridField(UsersDataSource.Field.FACTIVE, 90);
fields.add(activeField);
ListGridField ldapField = new ListGridField(UsersDataSource.Field.LDAP, 90);
fields.add(ldapField);
ListGridField firstNameField = new ListGridField(UsersDataSource.Field.FIRST_NAME, 150);
firstNameField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(firstNameField);
ListGridField lastNameField = new ListGridField(UsersDataSource.Field.LAST_NAME, 150);
lastNameField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(lastNameField);
ListGridField departmentField = new ListGridField(UsersDataSource.Field.DEPARTMENT, 150);
departmentField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(departmentField);
// TODO: instead of fetching roles, use a composite object that will pull the role count across the wire.
// this count will not required permission checks at all.
/*
ListGridField rolesField = new ListGridField(UsersDataSource.Field.ROLES, 250);
rolesField.setCellFormatter(new CellFormatter() {
public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
Record[] roleRecords = record.getAttributeAsRecordArray(UsersDataSource.Field.ROLES);
StringBuilder formattedValue = new StringBuilder();
for (int i = 0; i < roleRecords.length; i++) {
Record roleRecord = roleRecords[i];
String roleName = roleRecord.getAttribute(RolesDataSource.Field.NAME);
formattedValue.append(roleName);
if (i != (roleRecords.length - 1)) {
formattedValue.append(", ");
}
}
return formattedValue.toString();
}
});
fields.add(rolesField);
*/
return fields;
}
private TableAction createNewAction() {
return new TableAction() {
public boolean isEnabled(ListGridRecord[] selection) {
return hasManageSecurity;
}
public void executeAction(ListGridRecord[] selection, Object actionValue) {
newDetails();
}
};
}
private TableAction createDeleteAction() {
return new TableAction() {
public boolean isEnabled(ListGridRecord[] selection) {
if (!hasManageSecurity) {
return false;
}
int count = selection.length;
if (count == 0) {
return false;
}
for (ListGridRecord record : selection) {
int subjectId = record.getAttributeAsInt(UsersDataSource.Field.ID);
if (UsersDataSource.isSystemSubjectId(subjectId)) {
// The superuser and rhqadmin users cannot be deleted.
return false;
}
}
return true;
}
public void executeAction(ListGridRecord[] selection, Object actionValue) {
if (selection == null || selection.length == 0) {
return;
}
final ArrayList<String> doomedNames = new ArrayList<String>(selection.length);
final int[] doomedIds = new int[selection.length];
int i = 0;
for (ListGridRecord record : selection) {
doomedNames.add(record.getAttribute(UsersDataSource.Field.NAME));
doomedIds[i++] = record.getAttributeAsInt(UsersDataSource.Field.ID);
}
SubjectGWTServiceAsync subjectService = GWTServiceLookup.getSubjectService();
subjectService.deleteSubjects(doomedIds, new AsyncCallback<Void>() {
public void onFailure(Throwable caught) {
String message = MSG.dataSource_users_deleteFailed(doomedNames.toString());
CoreGUI.getErrorHandler().handleError(message, caught);
UsersView.this.refresh();
}
public void onSuccess(Void result) {
Message message = new Message(MSG.dataSource_users_delete(doomedNames.toString()));
CoreGUI.getMessageCenter().notify(message);
UsersView.this.refresh();
}
});
}
};
}
@Override
public Canvas getDetailsView(Integer subjectId) {
return new UserEditView(subjectId);
}
@Override
protected String getDeleteConfirmMessage() {
return MSG.common_msg_deleteConfirm(MSG.common_label_users());
}
@Override
public ViewName getViewName() {
return VIEW_ID;
}
}