X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fgui%2Fmap%2FOsmMapSource.java;fp=tim%2Fprune%2Fgui%2Fmap%2FOsmMapSource.java;h=768630731fd68e49fe4faeae4e1b26c6ce1d57cc;hb=c0387c124840c9407e040600fda88f3c3e8f6aa6;hp=0000000000000000000000000000000000000000;hpb=1ee49ae3c8ef3aa2e63eadd458531e5f8bd4f92c;p=GpsPrune.git

diff --git a/tim/prune/gui/map/OsmMapSource.java b/tim/prune/gui/map/OsmMapSource.java
new file mode 100644
index 0000000..7686307
--- /dev/null
+++ b/tim/prune/gui/map/OsmMapSource.java
@@ -0,0 +1,132 @@
+package tim.prune.gui.map;
+
+import tim.prune.I18nManager;
+
+/**
+ * Class to provide a map source for all OSM-like sources
+ * (eg mapnik, opencyclemap, openpistemap etc).
+ * These can be single-layer or double-layer sources with png tiles
+ */
+public class OsmMapSource extends MapSource
+{
+	/** Name for this source */
+	private String _name = null;
+	/** Base urls */
+	private String[] _baseUrls = null;
+	/** Site names */
+	private String[] _siteNames = null;
+	/** Maximum zoom level */
+	private int _maxZoom = 0;
+
+	/**
+	 * Constructor giving single name and url
+	 * @param inName source name
+	 * @param inUrl base url
+	 */
+	public OsmMapSource(String inName, String inUrl)
+	{
+		this(inName, inUrl, null, 18);
+	}
+
+	/**
+	 * Constructor giving name, urls and maximum zoom
+	 * @param inName source name
+	 * @param inUrl1 base layer url
+	 * @param inUrl2 upper layer url
+	 * @param inMaxZoom maximum zoom level
+	 */
+	public OsmMapSource(String inName, String inUrl1, String inUrl2, int inMaxZoom)
+	{
+		_name = inName;
+		if (_name == null || _name.trim().equals("")) {_name = I18nManager.getText("mapsource.unknown");}
+		_baseUrls = new String[2];
+		_baseUrls[0] = fixBaseUrl(inUrl1);
+		_baseUrls[1] = fixBaseUrl(inUrl2);
+		_siteNames = new String[2];
+		_siteNames[0] = fixSiteName(_baseUrls[0]);
+		_siteNames[1] = fixSiteName(_baseUrls[1]);
+		// Swap layers if second layer given without first
+		if (_baseUrls[0] == null && _baseUrls[1] != null)
+		{
+			_baseUrls[0] = _baseUrls[1];
+			_siteNames[0] = _siteNames[1];
+			_baseUrls[1] = _siteNames[1] = null;
+		}
+		_maxZoom = inMaxZoom;
+	}
+
+	/**
+	 * Construct a new map source from its config string
+	 * @param inConfigString string from Config, separated by semicolons
+	 * @return new map source, or null if not parseable
+	 */
+	public static OsmMapSource fromConfig(String inConfigString)
+	{
+		OsmMapSource source = null;
+		if (inConfigString.startsWith("o:"))
+		{
+			String[] items = inConfigString.substring(2).split(";");
+			try {
+				if (items.length == 3) {
+					source = new OsmMapSource(items[0], items[1], null, Integer.parseInt(items[2]));
+				}
+				else if (items.length == 4) {
+					source = new OsmMapSource(items[0], items[1], items[2], Integer.parseInt(items[3]));
+				}
+			} catch (NumberFormatException nfe) {}
+		}
+		return source;
+	}
+
+	/**
+	 * @return name
+	 */
+	public String getName() {
+		return _name;
+	}
+
+	/** Number of layers */
+	public int getNumLayers() {
+		return _baseUrls[1] == null?1:2;
+	}
+
+	/** Base url for this source */
+	public String getBaseUrl(int inLayerNum) {
+		return _baseUrls[inLayerNum];
+	}
+
+	/** site name without protocol or www. */
+	public String getSiteName(int inLayerNum) {
+		return _siteNames[inLayerNum];
+	}
+
+	/**
+	 * Make the URL to get the specified tile
+	 */
+	public String makeURL(int inLayerNum, int inZoom, int inX, int inY)
+	{
+		return _baseUrls[inLayerNum] + inZoom + "/" + inX + "/" + inY + getFileExtension(inLayerNum);
+	}
+
+	/** file extension is always png */
+	public final String getFileExtension(int inLayerNum) {
+		return ".png";
+	}
+
+	/**
+	 * @return maximum zoom level
+	 */
+	public final int getMaxZoomLevel()
+	{
+		return _maxZoom;
+	}
+
+
+	/**
+	 * @return semicolon-separated list of all fields
+	 */
+	public String getConfigString()
+	{
+		return "o:" +  getName() + ";" + getSiteStrings() + getMaxZoomLevel();
+	}
+}