BaseSchemaViewImpl.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.schema;

import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
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.AvroWidgetsConfig;
import org.kaaproject.avro.ui.gwt.client.widget.SizedTextArea;
import org.kaaproject.avro.ui.gwt.client.widget.SizedTextBox;
import org.kaaproject.avro.ui.shared.RecordField;
import org.kaaproject.kaa.server.admin.client.mvp.view.BaseSchemaView;
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.mvp.view.widget.RecordPanel;
import org.kaaproject.kaa.server.admin.client.util.Utils;

public abstract class BaseSchemaViewImpl extends BaseDetailsViewImpl implements BaseSchemaView,
    ValueChangeHandler<RecordField> {

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

  private SizedTextBox version;
  private SizedTextBox name;
  private SizedTextArea description;
  private SizedTextBox createdUsername;
  private SizedTextBox createdDateTime;
  private SizedTextBox endpointCount;

  private RecordPanel schemaForm;

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

  @Override
  protected void initDetailsTable() {

    Label versionLabel = new Label(Utils.constants.version());
    version = new KaaAdminSizedTextBox(-1, false);
    version.setWidth("100%");
    detailsTable.setWidget(0, 0, versionLabel);
    detailsTable.setWidget(0, 1, version);
    versionLabel.setVisible(!create);
    version.setVisible(!create);

    Label authorLabel = new Label(Utils.constants.author());
    createdUsername = new KaaAdminSizedTextBox(-1, false);
    createdUsername.setWidth("100%");
    detailsTable.setWidget(1, 0, authorLabel);
    detailsTable.setWidget(1, 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(2, 0, dateTimeCreatedLabel);
    detailsTable.setWidget(2, 1, createdDateTime);

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

    Label endpointCountLabel = new Label(Utils.constants.numberOfEndpoints());
    endpointCount = new KaaAdminSizedTextBox(-1, false);
    endpointCount.setWidth("100%");
    detailsTable.setWidget(3, 0, endpointCountLabel);
    detailsTable.setWidget(3, 1, endpointCount);

    endpointCountLabel.setVisible(!create);
    endpointCount.setVisible(!create);

    name = new KaaAdminSizedTextBox(DEFAULT_TEXTBOX_SIZE);
    name.setWidth("100%");
    Label nameLabel = new Label(Utils.constants.name());
    nameLabel.addStyleName(REQUIRED);
    detailsTable.setWidget(4, 0, nameLabel);
    detailsTable.setWidget(4, 1, name);
    name.addInputHandler(this);

    description = new SizedTextArea(1024);
    description.setWidth("100%");
    description.getTextArea().getElement().getStyle().setPropertyPx("minHeight", 80);
    Label descriptionLabel = new Label(Utils.constants.description());
    detailsTable.setWidget(5, 0, descriptionLabel);
    detailsTable.setWidget(5, 1, description);
    description.addInputHandler(this);

    detailsTable.getCellFormatter().setVerticalAlignment(5, 0, HasVerticalAlignment.ALIGN_TOP);

    getFooter().addStyleName(Utils.kaaAdminStyle.bAppContentDetailsTable());

    schemaForm = new RecordPanel(new AvroWidgetsConfig.Builder()
        .recordPanelWidth(900).createConfig(),
        Utils.constants.schema(), this, !create, !create);

    if (create) {
      schemaForm.addValueChangeHandler(this);
    }
    getFooter().setWidth("1000px");
    getFooter().add(schemaForm);

    name.setFocus(true);
  }

  @Override
  protected void resetImpl() {
    version.setValue("");
    version.setValue("");
    name.setValue("");
    description.setValue("");
    createdUsername.setValue("");
    createdDateTime.setValue("");
    endpointCount.setValue("");
    schemaForm.reset();
  }

  @Override
  public HasValue<String> getVersion() {
    return version;
  }

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

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

  @Override
  public RecordPanel getSchemaForm() {
    return schemaForm;
  }

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

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

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

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

  @Override
  public HasValue<String> getEndpointCount() {
    return endpointCount;
  }

}