TopicViewImpl.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.topic;

import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.Label;

import org.kaaproject.avro.ui.gwt.client.widget.SizedTextArea;
import org.kaaproject.avro.ui.gwt.client.widget.SizedTextBox;
import org.kaaproject.kaa.server.admin.client.mvp.view.TopicView;
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;

public class TopicViewImpl
    extends BaseDetailsViewImpl
    implements TopicView, ValueChangeHandler<Boolean> {

  private SizedTextBox name;
  private CheckBox mandatory;
  private SizedTextArea description;
  private SizedTextBox createdUsername;
  private SizedTextBox createdDateTime;
  private Button sendNotification;

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

  @Override
  protected void initDetailsTable() {

    Label authorLabel = new Label(Utils.constants.author());
    createdUsername = new KaaAdminSizedTextBox(-1, false);
    createdUsername.setWidth("100%");
    detailsTable.setWidget(0, 0, authorLabel);
    detailsTable.setWidget(0, 1, createdUsername);

    authorLabel.setVisible(!create);
    createdUsername.setVisible(!create);

    Label dateTimeCreatedLabel = new Label(Utils.constants.dateTimeCreated());
    createdDateTime = new KaaAdminSizedTextBox(-1, false);
    createdDateTime.setWidth("100%");
    detailsTable.setWidget(1, 0, dateTimeCreatedLabel);
    detailsTable.setWidget(1, 1, createdDateTime);

    dateTimeCreatedLabel.setVisible(!create);
    createdDateTime.setVisible(!create);

    name = new KaaAdminSizedTextBox(DEFAULT_TEXTBOX_SIZE);
    name.setWidth("100%");
    Label nameLabel = new Label(Utils.constants.name());
    nameLabel.addStyleName(Utils.avroUiStyle.requiredField());
    detailsTable.setWidget(2, 0, nameLabel);
    detailsTable.setWidget(2, 1, name);
    name.addInputHandler(this);

    mandatory = new CheckBox();
    mandatory.setWidth("100%");
    Label mandatoryLabel = new Label(Utils.constants.mandatory());
    detailsTable.setWidget(3, 0, mandatoryLabel);
    detailsTable.setWidget(3, 1, mandatory);
    mandatory.addValueChangeHandler(this);

    description = new SizedTextArea(1024);
    description.setWidth("100%");
    description.getTextArea().getElement().getStyle().setPropertyPx("minHeight", 100);
    Label descriptionLabel = new Label(Utils.constants.description());
    detailsTable.setWidget(4, 0, descriptionLabel);
    detailsTable.setWidget(4, 1, description);
    description.addInputHandler(this);

    detailsTable.getCellFormatter().setVerticalAlignment(4, 0, HasVerticalAlignment.ALIGN_TOP);

    sendNotification = new Button(Utils.constants.sendNotification());
    detailsTable.setWidget(5, 0, sendNotification);
    sendNotification.setVisible(!create);

    if (!create) {
      getSaveButtonWidget().setVisible(false);
      name.setEnabled(false);
      mandatory.setEnabled(false);
      description.getTextArea().setEnabled(false);
    }

    name.setFocus(true);
  }

  @Override
  protected void resetImpl() {
    name.setValue("");
    mandatory.setValue(false);
    description.setValue("");
    createdUsername.setValue("");
    createdDateTime.setValue("");
  }

  @Override
  protected boolean validate() {
    boolean result = name.getValue().length() > 0;
    return result;
  }

  @Override
  public void onValueChange(ValueChangeEvent<Boolean> event) {
    fireChanged();
  }

  @Override
  public HasValue<String> getName() {
    return name;
  }

  @Override
  public HasValue<Boolean> getMandatory() {
    return mandatory;
  }

  @Override
  public HasValue<String> getDescription() {
    return description;
  }

  @Override
  public HasValue<String> getCreatedUsername() {
    return createdUsername;
  }

  @Override
  public HasValue<String> getCreatedDateTime() {
    return createdDateTime;
  }

  @Override
  public HasClickHandlers getSendNotificationButton() {
    return sendNotification;
  }

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

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

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

}