UserViewImpl.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.view.user;

import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.regexp.shared.RegExp;
import com.google.gwt.text.shared.Renderer;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ValueListBox;

import org.kaaproject.avro.ui.gwt.client.widget.SizedTextBox;
import org.kaaproject.kaa.common.dto.KaaAuthorityDto;
import org.kaaproject.kaa.server.admin.client.KaaAdmin;
import org.kaaproject.kaa.server.admin.client.mvp.view.UserView;
import org.kaaproject.kaa.server.admin.client.mvp.view.base.BaseDetailsViewImpl;
import org.kaaproject.kaa.server.admin.client.mvp.view.widget.KaaAdminSizedTextBox;
import org.kaaproject.kaa.server.admin.client.util.Utils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class UserViewImpl extends BaseDetailsViewImpl implements UserView {

  private static final String REQUIRED = Utils.avroUiStyle.requiredField();

  private SizedTextBox userName;
  private SizedTextBox email;
  private ValueListBox<KaaAuthorityDto> authority;

  public UserViewImpl(boolean create) {
    super(create);
  }

  @Override
  protected String getCreateTitle() {
    return Utils.constants.addNewUser();
  }

  @Override
  protected String getViewTitle() {
    return Utils.constants.user();
  }

  @Override
  protected String getSubTitle() {
    return Utils.constants.userDetails();
  }

  @Override
  protected void initDetailsTable() {

    userName = new KaaAdminSizedTextBox(DEFAULT_TEXTBOX_SIZE, create);
    userName.setWidth("100%");
    userName.addInputHandler(this);

    Label userLabel = new Label(Utils.constants.userName());
    if (create) {
      userLabel.addStyleName(REQUIRED);
    }
    detailsTable.setWidget(0, 0, userLabel);
    detailsTable.setWidget(0, 1, userName);

    email = new KaaAdminSizedTextBox(DEFAULT_TEXTBOX_SIZE);
    email.setWidth("100%");
    email.addInputHandler(this);

    Label emailLabel = new Label(Utils.constants.email());
    emailLabel.addStyleName(REQUIRED);
    detailsTable.setWidget(1, 0, emailLabel);
    detailsTable.setWidget(1, 1, email);

    Renderer<KaaAuthorityDto> authorityRenderer = new Renderer<KaaAuthorityDto>() {
      @Override
      public String render(KaaAuthorityDto object) {
        if (object != null) {
          return Utils.constants.getString(object.getResourceKey());
        } else {
          return "";
        }
      }

      @Override
      public void render(KaaAuthorityDto object, Appendable appendable)
          throws IOException {
        appendable.append(render(object));
      }
    };

    authority = new ValueListBox<>(authorityRenderer);
    authority.setWidth("100%");
    authority.addValueChangeHandler(new ValueChangeHandler<KaaAuthorityDto>() {
      @Override
      public void onValueChange(ValueChangeEvent<KaaAuthorityDto> event) {
        fireChanged();
      }
    });

    List<KaaAuthorityDto> possibleAuthorities = new ArrayList<KaaAuthorityDto>();

    if (KaaAdmin.getAuthInfo().getAuthority().equals(KaaAuthorityDto.TENANT_ADMIN)) {
      possibleAuthorities.add(KaaAuthorityDto.TENANT_DEVELOPER);
      possibleAuthorities.add(KaaAuthorityDto.TENANT_USER);
      authority.setValue(KaaAuthorityDto.TENANT_DEVELOPER);
    }
    if (KaaAdmin.getAuthInfo().getAuthority().equals(KaaAuthorityDto.KAA_ADMIN)) {
      possibleAuthorities.add(KaaAuthorityDto.TENANT_ADMIN);
      authority.setValue(KaaAuthorityDto.TENANT_ADMIN);
    }
    authority.setAcceptableValues(possibleAuthorities);

    Label authorityLabel = new Label(Utils.constants.accountRole());
    authorityLabel.addStyleName(REQUIRED);
    detailsTable.setWidget(2, 0, authorityLabel);
    detailsTable.setWidget(2, 1, authority);

    userName.setFocus(true);
  }

  @Override
  protected void resetImpl() {
    userName.setValue("");
    email.setValue("");
  }

  @Override
  protected boolean validate() {
    String pattern = "^[_A-Za-z0-9-\\+]+(\\.[_A-Za-z0-9-]+)*"
        + "@[A-Za-z0-9-]+(\\.[A-Za-z0-9]+)*(\\.[A-Za-z]{2,})$";
    RegExp regExp = RegExp.compile(pattern);
    return userName.getValue().length() > 1 && authority.getValue() != null
        && regExp.test(email.getValue());
  }

  @Override
  public HasValue<String> getUserName() {
    return userName;
  }

  @Override
  public HasValue<String> getEmail() {
    return email;
  }

  @Override
  public HasValue<KaaAuthorityDto> getAuthority() {
    return authority;
  }

}