GenerateSdkDialog.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.sdk;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.text.shared.Renderer;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ValueListBox;
import com.google.gwt.user.client.ui.VerticalPanel;

import org.kaaproject.avro.ui.gwt.client.widget.dialog.AvroUiDialog;
import org.kaaproject.kaa.common.dto.admin.SdkPlatform;
import org.kaaproject.kaa.server.admin.client.util.Utils;

import java.io.IOException;

/**
 * @author Bohdan Khablenko
 * @see org.kaaproject.kaa.server.admin.client.mvp.activity.SdkProfilesActivity
 * @since v0.8.0
 */
public class GenerateSdkDialog extends AvroUiDialog {

  private ValueListBox<SdkPlatform> targetPlatform;
  private Listener listener;

  /**
   * Instantiates a new GenerateSdkDialog.
   */
  public GenerateSdkDialog(Listener listener) {
    super(false, true);

    this.listener = listener;

    this.setText(Utils.constants.generateSdk());

    VerticalPanel root = new VerticalPanel();
    this.setWidget(root);

    FlexTable grid = new FlexTable();
    grid.setCellSpacing(15);
    grid.getColumnFormatter().setWidth(0, "115px");
    grid.getColumnFormatter().setWidth(1, "115px");

    this.targetPlatform = new ValueListBox<>(new Renderer<SdkPlatform>() {

      @Override
      public String render(SdkPlatform object) {
        if (object != null) {
          return Utils.constants.getString(object.getResourceKey());
        } else {
          return null;
        }
      }

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

    // For some reason this adds a null value to the list box
    // targetPlatform.setAcceptableValues(Arrays.asList(SdkPlatform.values()));
    targetPlatform.setWidth("100%");

    // TODO: Do something with this workaround
    for (SdkPlatform value : SdkPlatform.values()) {
      targetPlatform.setValue(value);
    }

    targetPlatform.setValue(SdkPlatform.ANDROID);
    Label label = new Label(Utils.constants.targetPlatform());
    grid.setWidget(0, 0, label);
    grid.setWidget(0, 1, targetPlatform);
    root.add(grid);

    Button generateSdk = new Button(Utils.constants.generateSdk(), new ClickHandler() {

      @Override
      public void onClick(ClickEvent event) {
        GenerateSdkDialog.this.hide();

        if (GenerateSdkDialog.this.listener != null) {
          SdkPlatform targetPlatform = GenerateSdkDialog.this.targetPlatform.getValue();
          GenerateSdkDialog.this.listener.onGenerateSdk(targetPlatform);
        }
      }
    });

    Button cancel = new Button(Utils.constants.cancel(), new ClickHandler() {
      @Override
      public void onClick(ClickEvent event) {
        GenerateSdkDialog.this.hide();

        if (GenerateSdkDialog.this.listener != null) {
          GenerateSdkDialog.this.listener.onCancel();
        }
      }
    });

    this.addButton(generateSdk);
    this.addButton(cancel);
  }

  /**
   * Show generate SDK dialog.
   *
   * @param listener the listener
   * @return the GenerateSdkDialog
   */
  public static GenerateSdkDialog show(Listener listener) {
    GenerateSdkDialog instance = new GenerateSdkDialog(listener);

    instance.center();
    instance.show();

    return instance;
  }

  public interface Listener {

    void onGenerateSdk(final SdkPlatform targetPlatform);

    void onCancel();
  }
}