fix src folder structure

src/main/java/org/jdesktop/swingx/mapviewer/Tile.java

@@ -0,0 +1,214 @@
+/*
+ * Tile.java
+ *
+ * Created on March 14, 2006, 4:53 PM
+ *
+ * To change this template, choose Tools | Template Manager
+ * and open the template in the editor.
+ */
+
+package org.jdesktop.swingx.mapviewer;
+
+import java.awt.image.BufferedImage;
+import java.lang.ref.SoftReference;
+
+import org.jdesktop.beans.AbstractBean;
+
+/**
+ * The Tile class represents a particular square image piece of the world bitmap at a particular zoom level.
+ * @author joshy
+ */
+
+public class Tile extends AbstractBean
+{
+	/**
+	 * The loading priority
+	 */
+	@SuppressWarnings("javadoc")
+	public enum Priority
+	{
+		High, Low
+	}
+
+	private Priority priority = Priority.High;
+
+	private TileFactory dtf;
+
+	private boolean isLoading = false;
+
+	// Most Recently Accessed Tiles. These are strong references, to prevent reloading
+	// of most recently used tiles.
+	// private static final Map<URI, BufferedImage> recentlyAccessed = new HashMap<URI, BufferedImage>();
+	// private static final TileCache cache = new TileCache();
+
+	/**
+	 * The url of the image to load for this tile
+	 */
+	private String url;
+
+	/**
+	 * Indicates that loading has succeeded. A PropertyChangeEvent will be fired when the loading is completed
+	 */
+
+	private boolean loaded = false;
+	/**
+	 * The zoom level this tile is for
+	 */
+	private int zoom, x, y;
+
+	/**
+	 * The image loaded for this Tile
+	 */
+	SoftReference<BufferedImage> image = new SoftReference<BufferedImage>(null);
+
+	/**
+	 * Create a new Tile at the specified tile point and zoom level
+	 * @param x the x value
+	 * @param y the y value
+	 * @param zoom the zoom level
+	 */
+	public Tile(int x, int y, int zoom)
+	{
+		loaded = false;
+		this.zoom = zoom;
+		this.x = x;
+		this.y = y;
+	}
+
+	/**
+	 * Create a new Tile that loads its data from the given URL. The URL must resolve to an image
+	 * @param x the x value
+	 * @param y the y value
+	 * @param zoom the zoom level
+	 * @param url the URL
+	 * @param priority the priority
+	 * @param dtf the tile factory
+	 */
+	Tile(int x, int y, int zoom, String url, Priority priority, TileFactory dtf)
+	{
+		this.url = url;
+		loaded = false;
+		this.zoom = zoom;
+		this.x = x;
+		this.y = y;
+		this.priority = priority;
+		this.dtf = dtf;
+		// startLoading();
+	}
+
+	/**
+	 * Indicates if this tile's underlying image has been successfully loaded yet.
+	 * @return true if the Tile has been loaded
+	 */
+	public synchronized boolean isLoaded()
+	{
+		return loaded;
+	}
+
+	/**
+	 * Toggles the loaded state, and fires the appropriate property change notification
+	 * @param loaded the loaded flag
+	 */
+	synchronized void setLoaded(boolean loaded)
+	{
+		boolean old = isLoaded();
+		this.loaded = loaded;
+		firePropertyChange("loaded", old, isLoaded());
+	}
+
+	/**
+	 * @return the Image associated with this Tile. This is a read only property This may return null at any time,
+	 * however if this returns null, a load operation will automatically be started for it.
+	 */
+	public BufferedImage getImage()
+	{
+		BufferedImage img = image.get();
+		if (img == null)
+		{
+			setLoaded(false);
+			
+			// tile factory can be null if the tile has invalid coords or zoom
+			if (dtf != null)
+			{
+				dtf.startLoading(this);
+			}
+		}
+
+		return img;
+	}
+
+	/**
+	 * @return the location in the world at this zoom level that this tile should be placed
+	 */
+	/*
+	 * public TilePoint getLocation() { return location; }
+	 */
+
+	/**
+	 * @return the zoom level that this tile belongs in
+	 */
+	public int getZoom()
+	{
+		return zoom;
+	}
+
+	/**
+	 * @return the isLoading
+	 */
+	public boolean isLoading()
+	{
+		return isLoading;
+	}
+
+	/**
+	 * @param isLoading the isLoading to set
+	 */
+	public void setLoading(boolean isLoading)
+	{
+		this.isLoading = isLoading;
+	}
+
+	/**
+	 * Gets the loading priority of this tile.
+	 * @return the priority
+	 */
+	public Priority getPriority()
+	{
+		return priority;
+	}
+
+	/**
+	 * Set the loading priority of this tile.
+	 * @param priority the priority to set
+	 */
+	public void setPriority(Priority priority)
+	{
+		this.priority = priority;
+	}
+
+	/**
+	 * Gets the URL of this tile.
+	 * @return the url
+	 */
+	public String getURL()
+	{
+		return url;
+	}
+
+	/**
+	 * @return the x value
+	 */
+	public int getX()
+	{
+		return x;
+	}
+
+	/**
+	 * @return the y value
+	 */
+	public int getY()
+	{
+		return y;
+	}
+
+}