Java FolderOverlay类代码示例

import org.osmdroid.bonuspack.overlays.FolderOverlay; //导入依赖的package包/类
/** 
 * Converts the overlay to a KmlFeature and add it inside this. 
 * Conversion from Overlay subclasses to KML Features is as follow: <br>
 *   FolderOverlay, MarkerClusterer => Folder<br>
 *   Marker => Point<br>
 *   Polygon => Polygon<br>
 *   Polyline => LineString<br>
 *   GroundOverlay => GroundOverlay<br>
 *   Else, add nothing. 
 * @param overlay to convert and add
 * @param kmlDoc for style handling. 
 * @return true if OK, false if the overlay has not been added. 
 */
public boolean addOverlay(Overlay overlay, KmlDocument kmlDoc){
	if (overlay == null)
		return false;
	KmlFeature kmlItem;
	if (overlay instanceof GroundOverlay){
		kmlItem = new KmlGroundOverlay((GroundOverlay)overlay);
	} else if (overlay instanceof FolderOverlay){
		kmlItem = new KmlFolder((FolderOverlay)overlay, kmlDoc);
	} else if (overlay instanceof MarkerClusterer){
		kmlItem = new KmlFolder((MarkerClusterer)overlay, kmlDoc);
	} else if (overlay instanceof Marker){
		Marker marker = (Marker)overlay;
		kmlItem = new KmlPlacemark(marker);
	} else if (overlay instanceof Polygon){
		Polygon polygon = (Polygon)overlay;
		kmlItem = new KmlPlacemark(polygon, kmlDoc);
	} else if (overlay instanceof Polyline){
		Polyline polyline = (Polyline)overlay;
		kmlItem = new KmlPlacemark(polyline, kmlDoc);
	} else {
		return false;
	}
	mItems.add(kmlItem);
	return true;
}
 

import org.osmdroid.bonuspack.overlays.FolderOverlay; //导入依赖的package包/类
public KmlFolder(FolderOverlay overlay, KmlDocument kmlDoc){
	this();
	addOverlays(overlay.getItems(), kmlDoc);
	mName = overlay.getName();
	mDescription = overlay.getDescription();
	mVisibility = overlay.isEnabled();
}
 

import org.osmdroid.bonuspack.overlays.FolderOverlay; //导入依赖的package包/类
/**
 * Build a FolderOverlay, containing (recursively) overlays from all items of this Folder. 
 * @param map
 * @param defaultStyle to apply when an item has no Style defined. 
 * @param styler to apply
 * @param kmlDocument for Styles
 * @return the FolderOverlay built
 */
@Override public Overlay buildOverlay(MapView map, Style defaultStyle, Styler styler, KmlDocument kmlDocument){
	Context context = map.getContext();
	FolderOverlay folderOverlay = new FolderOverlay(context);
	for (KmlFeature k:mItems){
		Overlay overlay = k.buildOverlay(map, defaultStyle, styler, kmlDocument);
		folderOverlay.add(overlay);
	}
	if (styler == null)
		folderOverlay.setEnabled(mVisibility);
	else 
		styler.onFeature(folderOverlay, this);
	return folderOverlay;
}
 

import org.osmdroid.bonuspack.overlays.FolderOverlay; //导入依赖的package包/类
/** Build a FolderOverlay containing all overlays from this MultiGeometry items */
@Override public Overlay buildOverlay(MapView map, Style defaultStyle, Styler styler, KmlPlacemark kmlPlacemark, 
		KmlDocument kmlDocument){
	Context context = map.getContext();
	FolderOverlay folderOverlay = new FolderOverlay(context);
	for (KmlGeometry k:mItems){
		Overlay overlay = k.buildOverlay(map, defaultStyle, styler, kmlPlacemark, kmlDocument);
		folderOverlay.add(overlay);
	}
	return folderOverlay;
}