OsmAnd/OsmAnd-java/src/net/osmand/map/WorldRegion.java

package net.osmand.map;

import net.osmand.data.LatLon;
import net.osmand.util.Algorithms;

import java.io.Serializable;
import java.util.LinkedList;
import java.util.List;

public class WorldRegion implements Serializable {

	public static final String WORLD_BASEMAP = "world_basemap";
	public static final String AFRICA_REGION_ID = "africa";
	public static final String ASIA_REGION_ID = "asia";
	public static final String AUSTRALIA_AND_OCEANIA_REGION_ID = "australia-oceania";
	public static final String CENTRAL_AMERICA_REGION_ID = "centralamerica";
	public static final String EUROPE_REGION_ID = "europe";
	public static final String NORTH_AMERICA_REGION_ID = "northamerica";
	public static final String RUSSIA_REGION_ID = "russia";
	public static final String JAPAN_REGION_ID = "japan_asia";
	public static final String SOUTH_AMERICA_REGION_ID = "southamerica";
	protected static final String WORLD = "world";

	// Just a string constant
	public static final String UNITED_KINGDOM_REGION_ID = "gb_europe";

	// Hierarchy
	protected WorldRegion superregion;
	protected List<WorldRegion> subregions;
	
	// filled by osmand regions
	protected RegionParams params = new RegionParams();
	protected String regionFullName;
	protected String regionParentFullName;
	protected String regionName;
	protected String regionNameEn;
	protected String regionNameLocale;
	protected String regionSearchText;
	protected String regionDownloadName;
	protected boolean regionMapDownload;
	protected LatLon regionCenter;

	public static class RegionParams {
		protected String regionLeftHandDriving;
		protected String regionLang;
		protected String regionMetric;
		protected String regionRoadSigns;
		protected String wikiLink;

		public String getRegionLeftHandDriving() {
			return regionLeftHandDriving;
		}

		public String getRegionLang() {
			return regionLang;
		}

		public String getRegionMetric() {
			return regionMetric;
		}

		public String getRegionRoadSigns() {
			return regionRoadSigns;
		}

		public String getWikiLink() {
			return wikiLink;
		}
	}

	
	
	public boolean isRegionMapDownload() {
		return regionMapDownload;
	}
	
	public String getLocaleName() {
		if(!Algorithms.isEmpty(regionNameLocale)) {
			return regionNameLocale;
		}
		if(!Algorithms.isEmpty(regionNameEn)) {
			return regionNameEn;
		}
		if(!Algorithms.isEmpty(regionName)) {
			return regionName;
		}
		
		return capitalize(regionFullName.replace('_', ' '));
	}
	
	public String getRegionDownloadName() {
		return regionDownloadName;
	}
	
	public String getRegionDownloadNameLC() {
		return regionDownloadName == null ? null : regionDownloadName.toLowerCase();
	}

	public RegionParams getParams() {
		return params;
	}

	public LatLon getRegionCenter() {
		return regionCenter;
	}
	
	public String getRegionSearchText() {
		return regionSearchText;
	}

	public WorldRegion getSuperregion() {
		return superregion;
	}

	public List<WorldRegion> getSubregions() {
		return subregions;
	}


	@Override
	public boolean equals(Object o) {
		if (this == o) return true;
		if (o == null || getClass() != o.getClass()) return false;

		WorldRegion that = (WorldRegion) o;

		return !(regionFullName != null ? !regionFullName.toLowerCase().equals(that.regionFullName.toLowerCase()) : that.regionFullName != null);
	}

	@Override
	public int hashCode() {
		return regionFullName != null ? regionFullName.hashCode() : 0;
	}

	public WorldRegion(String regionFullName, String downloadName) {
		this.regionFullName = regionFullName;
		this.regionDownloadName = downloadName;
		superregion = null;
		subregions = new LinkedList<WorldRegion>();
		
	}
	public WorldRegion(String id) {
		this(id, null);
	}

	public String getRegionId() {
		return regionFullName;
	}
	
	private String capitalize(String s) {
		String[] words = s.split(" ");
		if (words[0].length() > 0) {
			StringBuilder sb = new StringBuilder();
			sb.append(Algorithms.capitalizeFirstLetterAndLowercase(words[0]));
			for (int i = 1; i < words.length; i++) {
				sb.append(" ");
				sb.append(Algorithms.capitalizeFirstLetterAndLowercase(words[i]));
			}
			return sb.toString();
		} else {
			return s;
		}
	}

	public void addSubregion(WorldRegion rd) {
		subregions.add(rd);
		rd.superregion = this;
	}

	public int getLevel() {
		int res = 0;
		WorldRegion parent = superregion;
		while (parent != null) {
			parent = parent.superregion;
			res++;
		}
		return res;
	}
}