TenantActivity.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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.kaaproject.kaa.server.admin.client.mvp.activity;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AcceptsOneWidget;

import org.kaaproject.avro.ui.gwt.client.util.BusyAsyncCallback;
import org.kaaproject.avro.ui.gwt.client.widget.grid.AbstractGrid;
import org.kaaproject.avro.ui.gwt.client.widget.grid.event.RowActionEvent;
import org.kaaproject.avro.ui.gwt.client.widget.grid.event.RowActionEventHandler;
import org.kaaproject.kaa.common.dto.TenantDto;
import org.kaaproject.kaa.common.dto.admin.UserDto;
import org.kaaproject.kaa.server.admin.client.KaaAdmin;
import org.kaaproject.kaa.server.admin.client.mvp.ClientFactory;
import org.kaaproject.kaa.server.admin.client.mvp.data.TenantAdminDataProvider;
import org.kaaproject.kaa.server.admin.client.mvp.place.TenantPlace;
import org.kaaproject.kaa.server.admin.client.mvp.place.UserPlace;
import org.kaaproject.kaa.server.admin.client.mvp.view.TenantView;
import org.kaaproject.kaa.server.admin.client.util.Utils;

public class TenantActivity extends
    AbstractDetailsActivity<TenantDto, TenantView, TenantPlace> {

  private TenantAdminDataProvider usersDataProvider;

  public TenantActivity(TenantPlace place, ClientFactory clientFactory) {
    super(place, clientFactory);
  }

  @Override
  public void start(AcceptsOneWidget containerWidget, EventBus eventBus) {
    super.start(containerWidget, eventBus);
    if (!create) {
      AbstractGrid<UserDto, String> tenantAdminsGrid = detailsView.getTenantAdminsGrid();
      usersDataProvider = new TenantAdminDataProvider(tenantAdminsGrid, detailsView, entityId);
    }
  }

  @Override
  protected String getEntityId(TenantPlace place) {
    return place.getTenantId();
  }

  @Override
  protected TenantView getView(boolean create) {
    if (create) {
      return clientFactory.getCreateTenantView();
    } else {
      return clientFactory.getTenantView();
    }
  }

  @Override
  protected TenantDto newEntity() {
    return new TenantDto();
  }

  @Override
  protected void onEntityRetrieved() {
    if (!create) {
      detailsView.setTitle(entity.getName());
    }
    detailsView.getTenantName().setValue(entity.getName());
    if (!create) {
      usersDataProvider.setTenantId(entity.getId());
      usersDataProvider.reload();
    }
  }

  @Override
  protected void onSave() {
    entity.setName(detailsView.getTenantName().getValue());

  }

  @Override
  protected void getEntity(String id, AsyncCallback<TenantDto> callback) {
    KaaAdmin.getDataSource().getTenant(id, callback);
  }

  @Override
  protected void editEntity(TenantDto entity,
                            AsyncCallback<TenantDto> callback) {
    KaaAdmin.getDataSource().editTenant(entity, callback);
  }


  protected void bind(final EventBus eventBus) {
    super.bind(eventBus);

    registrations.add(detailsView.getAddTenantAdminButton().addClickHandler(new ClickHandler() {
      public void onClick(ClickEvent event) {
        addTenantAdmin();
      }
    }));


    registrations.add(detailsView.getTenantAdminsGrid().addRowActionHandler(
        new RowActionEventHandler<String>() {
          @Override
          public void onRowAction(RowActionEvent<String> event) {
            String id = event.getClickedId();
            if (event.getAction() == RowActionEvent.CLICK) {
              UserPlace adminPlace = new UserPlace(id, entity.getId());
              adminPlace.setPreviousPlace(place);
              goTo(adminPlace);
            } else if (event.getAction() == RowActionEvent.DELETE) {
              KaaAdmin.getDataSource().deleteUser(id, new BusyAsyncCallback<Void>() {
                @Override
                public void onFailureImpl(Throwable throwable) {
                  Utils.handleException(throwable, detailsView);
                }

                @Override
                public void onSuccessImpl(Void callback) {
                  usersDataProvider.reload();
                }
              });
            }
          }
        }));
  }


  private void addTenantAdmin() {
    UserPlace adminPlace = new UserPlace("", entity.getId());
    adminPlace.setPreviousPlace(place);
    goTo(adminPlace);
  }

}