Android Open Source - geoar-app Data Sources Overlay

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
 */*  w  w w .ja v  a  2s  . c  om*/
 * 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.
 */
///**
// * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
// *
// * 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.
// */
///**
// * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
// *
// * 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.n52.geoar.map.view;
//
//import java.util.HashMap;
//import java.util.List;
//import java.util.Map;
//
//import org.mapsforge.android.maps.overlay.ItemizedOverlay;
//import org.mapsforge.android.maps.overlay.OverlayItem;
//import org.n52.geoar.map.view.overlay.OverlayType;
//
//import android.graphics.drawable.Drawable;
//
///**
// * Special {@link ItemizedOverlay} based on a {@link Map}. This allows to
// * efficiently add and remove {@link OverlayItem}s from different sources to and
// * from the same overlay.
// */
//public class DataSourcesOverlay extends ItemizedOverlay<OverlayType<? extends Geometry>> {
//
//  interface OnOverlayItemTapListener {
//    boolean onOverlayItemTap(OverlayType item);
//  }
//
//  
//  private Map<Object, List<VisualizationOverlayItem>> overlayItemMap = new HashMap<Object, List<VisualizationOverlayItem>>();
//  private OnOverlayItemTapListener overlayItemTapListener;
//
//  public DataSourcesOverlay() {
//    this(null);
//  }
//
//  public DataSourcesOverlay(Drawable defaultMarker) {
//    super(defaultMarker);
//  }
//
//  public void setOverlayItemTapListener(OnOverlayItemTapListener listener) {
//    overlayItemTapListener = listener;
//  }
//
//  /**
//   * Removes all items from the overlay.
//   */
//  public void clear() {
//    synchronized (this.overlayItemMap) {
//      for (List<VisualizationOverlayItem> itemList : overlayItemMap.values()) {
//        itemList.clear();
//      }
//      overlayItemMap.clear();
//    }
//    populate();
//  }
//
//  public void clear(Object key) {
//    synchronized (this.overlayItemMap) {
//      overlayItemMap.remove(key);
//    }
//    populate();
//  }
//
//  /**
//   * Removes the given item from the overlay.
//   * 
//   * @param overlayItem
//   *            the item that should be removed from the overlay.
//   */
//  public void removeItem(OverlayItem overlayItem) {
//    synchronized (this.overlayItemMap) {
//      for (List<VisualizationOverlayItem> itemList : overlayItemMap.values()) {
//        itemList.remove(overlayItem);
//      }
//    }
//    populate();
//  }
//
//  @Override
//  public int size() {
//    synchronized (this.overlayItemMap) {
//      int size = 0;
//      for (List<VisualizationOverlayItem> itemList : overlayItemMap.values()) {
//        size += itemList.size();
//      }
//      return size;
//    }
//  }
//
//  @Override
//  protected VisualizationOverlayItem createItem(int index) {
//    synchronized (this.overlayItemMap) {
//      int minIndex = 0;
//      for (List<VisualizationOverlayItem> itemList : overlayItemMap.values()) {
//        if (index >= minIndex && index < minIndex + itemList.size()) {
//          return itemList.get(index - minIndex);
//        }
//
//        minIndex += itemList.size();
//      }
//
//      return null;
//    }
//  }
//
//  public void setOverlayItems(List<VisualizationOverlayItem> overlayItems,
//      Object key) {
//    synchronized (this.overlayItemMap) {
//
//      List<VisualizationOverlayItem> previousMapping = this.overlayItemMap
//          .put(key, overlayItems);
//      if (previousMapping != null) {
//        previousMapping.clear();
//      }
//    }
//    populate();
//  }
//
//  public void addOverlayItems(List<VisualizationOverlayItem> overlayItems,
//      Object key) {
//    synchronized (this.overlayItemMap) {
//      List<VisualizationOverlayItem> mapping = this.overlayItemMap.get(key);
//      if (mapping == null) {
//        this.overlayItemMap.put(key, overlayItems);
//      } else {
//        mapping.addAll(overlayItems);
//      }
//    }
//    populate();
//  }
//
//  @Override
//  protected boolean onTap(int index) {
//    if (overlayItemTapListener != null
//        && overlayItemTapListener.onOverlayItemTap(createItem(index))) {
//      return true;
//    }
//    return super.onTap(index);
//  }
//
//}

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