TextAreaStructView.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.struct;

import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.HasValue;

import org.kaaproject.avro.ui.gwt.client.widget.SizedTextArea;
import org.kaaproject.kaa.common.dto.AbstractStructureDto;
import org.kaaproject.kaa.server.admin.client.util.HasErrorMessage;

public class TextAreaStructView<T extends AbstractStructureDto> extends BaseStructView<T, String> {

  public TextAreaStructView(HasErrorMessage hasErrorMessage) {
    super(hasErrorMessage);
  }

  @Override
  protected HasValue<String> createBody(HasErrorMessage hasErrorMessage) {
    SizedTextArea body = new SizedTextArea(-1);
    body.getTextArea().getElement().getStyle().setPropertyPx("minHeight", 200);
    return body;
  }

  @Override
  protected boolean hasLabel() {
    return true;
  }

  @Override
  protected void setBodyReadOnly(boolean readOnly) {
    ((SizedTextArea) body).getTextArea().setReadOnly(readOnly);
  }

  @Override
  protected void setBodyValue(T struct) {
    body.setValue(struct.getBody());
  }

  @Override
  protected HandlerRegistration addBodyChangeHandler() {
    return ((SizedTextArea) body).addInputHandler(this);
  }

  @Override
  protected boolean validateBody() {
    return body.getValue().length() > 0;
  }

  @Override
  protected void onShown() {
  }

}