/*
* RHQ Management Platform
* Copyright (C) 2005-2011 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.roles;
import java.util.ArrayList;
import java.util.List;
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.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.util.enhanced.EnhancedIButton.ButtonColor;
/**
* A table that lists all roles and provides the ability to view details of or delete those roles and to create new
* roles.
*
* @author Greg Hinkle
* @author Ian Springer
*/
public class RolesView extends TableSection<RolesDataSource> implements HasViewName {
public static final ViewName VIEW_ID = new ViewName("Roles", MSG.common_title_roles(), IconEnum.ROLES);
public static final String VIEW_PATH = AdministrationView.VIEW_ID + "/"
+ AdministrationView.SECTION_SECURITY_VIEW_ID + "/" + VIEW_ID;
private boolean hasManageSecurity;
public RolesView(boolean hasManageSecurity) {
super(null);
final RolesDataSource datasource = RolesDataSource.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();
}
@Override
protected boolean isDetailsEnabled() {
// Non-superusers cannot view or edit roles.
return this.hasManageSecurity;
}
private List<ListGridField> createFields() {
List<ListGridField> fields = new ArrayList<ListGridField>();
ListGridField nameField = new ListGridField(RolesDataSource.Field.NAME, 150);
fields.add(nameField);
ListGridField descriptionField = new ListGridField(RolesDataSource.Field.DESCRIPTION);
descriptionField.setCellFormatter(new EscapedHtmlCellFormatter());
fields.add(descriptionField);
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 roleId = record.getAttributeAsInt(RolesDataSource.Field.ID);
if (RolesDataSource.isSystemRoleId(roleId)) {
// The superuser role cannot be deleted.
return false;
}
}
return true;
}
public void executeAction(ListGridRecord[] selection, Object actionValue) {
deleteSelectedRecords();
}
};
}
private void updateSelectionStyle() {
if (!hasManageSecurity) {
getListGrid().deselectAllRecords();
}
SelectionStyle selectionStyle = hasManageSecurity ? getDefaultSelectionStyle() : SelectionStyle.NONE;
getListGrid().setSelectionType(selectionStyle);
}
@Override
public Canvas getDetailsView(Integer roleId) {
return new RoleEditView(roleId);
}
@Override
protected String getDeleteConfirmMessage() {
return MSG.common_msg_deleteConfirm(MSG.common_label_roles());
}
@Override
public ViewName getViewName() {
return VIEW_ID;
}
}