EndpointProfileGrid.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.endpoint;

import com.google.common.io.BaseEncoding;
import com.google.gwt.dom.client.Style;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;
import com.google.gwt.user.cellview.client.DataGrid;
import com.google.gwt.user.cellview.client.Header;
import com.google.gwt.user.cellview.client.SafeHtmlHeader;
import com.google.gwt.user.cellview.client.SimplePager;
import com.google.gwt.view.client.Range;

import org.kaaproject.avro.ui.gwt.client.widget.grid.AbstractGrid;
import org.kaaproject.kaa.common.dto.EndpointProfileDto;
import org.kaaproject.kaa.server.admin.client.util.Utils;

public class EndpointProfileGrid extends AbstractGrid<EndpointProfileDto, String> {

  public EndpointProfileGrid(int pageSize) {
    super(Style.Unit.PX, true, pageSize);
  }

  @Override
  protected float constructColumnsImpl(DataGrid<EndpointProfileDto> table) {
    float prefWidth = 0;

    prefWidth += constructStringColumn(table,
        Utils.constants.keyHash(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return BaseEncoding.base64().encode(item.getEndpointKeyHash());
          }
        }, 160);

    prefWidth += constructStringColumn(table,
        Utils.constants.profileSchemaVersion(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return item.getClientProfileVersion() + "";
          }
        }, 80);
    prefWidth += constructStringColumn(table,
        Utils.constants.serverProfileSchemaVersion(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return item.getServerProfileVersion() + "";
          }
        }, 80);
    prefWidth += constructStringColumn(table,
        Utils.constants.configurationSchemaVersion(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return item.getConfigurationVersion() + "";
          }
        }, 80);

    prefWidth += constructStringColumn(table,
        Utils.constants.notificationSchemaVersion(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return item.getUserNfVersion() + "";
          }
        }, 80);

    prefWidth += constructStringColumn(table,
        Utils.constants.logSchemaVersion(),
        new StringValueProvider<EndpointProfileDto>() {
          @Override
          public String getValue(EndpointProfileDto item) {
            return item.getLogSchemaVersion() + "";
          }
        }, 80);

    return prefWidth;
  }

  @Override
  protected float constructActions(DataGrid<EndpointProfileDto> table, float prefWidth) {
    if (enableActions) {
      float result = 0;

      if (deleteColumn == null || table.getColumnIndex(deleteColumn) == -1) {
        Header<SafeHtml> deleteHeader = new SafeHtmlHeader(
            SafeHtmlUtils.fromSafeConstant(
                embedded ? Utils.constants.remove() : Utils.constants.delete()));

        deleteColumn = constructDeleteColumn("");
        table.addColumn(deleteColumn, deleteHeader);
        table.setColumnWidth(deleteColumn, 40, Style.Unit.PX);
        result += 40;
      }

      return result;
    } else {
      return 0;
    }
  }

  @Override
  protected String getObjectId(EndpointProfileDto value) {
    return BaseEncoding.base64().encode(value.getEndpointKeyHash());
  }

  @Override
  protected SimplePager getPager() {
    return new SimplePager(SimplePager.TextLocation.CENTER, pagerResources, false, 0, false) {
      @Override
      protected String createText() {
        Range range = getDisplay().getVisibleRange();
        int currentPage = range.getStart() / (range.getLength() != 0 ? range.getLength() : 1) + 1;
        return Utils.messages.pagerText(currentPage + "");
      }

      @Override
      public void setPageStart(int index) {
        if (getDisplay() != null) {
          Range range = getDisplay().getVisibleRange();
          int pageSize = range.getLength();

          index = Math.max(0, index);
          if (index != range.getStart()) {
            getDisplay().setVisibleRange(index, pageSize);
          }
        }
      }
    };
  }
}