Updates pull request from Roman Tsypuk to convert the build system from

ant to gradle.  Removes linux and windows application launch scripts and
produces an executable jar with all resources included.

src/main/java/io/github/dsheirer/map/MapIcon.java

@@ -0,0 +1,187 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014 Dennis Sheirer
+ * 
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * 
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ * 
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+package io.github.dsheirer.map;
+
+import io.github.dsheirer.settings.Setting;
+
+import javax.swing.*;
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlTransient;
+import java.awt.*;
+
+public class MapIcon extends Setting implements Comparable<MapIcon>
+{
+	private static final int sMAX_IMAGE_DIMENSION = 48;
+	private String mPath;
+	private ImageIcon mImageIcon;
+
+	/**
+	 * Only map icons created at runtime can be marked as non-editable, and
+	 * therefore this property is transient.  
+	 */
+	@XmlTransient
+	private boolean mEditable;
+	
+	@XmlTransient
+	private boolean mDefaultIcon;
+	
+	/**
+	 * Wrapper class for a map icon.
+	 * @param name - name of the icon - also used as key to lookup the icon
+	 * @param path - file path to the icon
+	 * @param editable - defines if the map icon or details can be edited
+	 * 
+	 * Note: the default icons are constructed with editable = false, so that
+	 * they cannot be deleted from the Icon Manager editor window
+	 */
+	public MapIcon( String name, String path, boolean editable )
+	{
+		super( name );
+		mPath = path;
+		mEditable = editable;
+	}
+	
+	public MapIcon( String name, String path )
+	{
+		this( name, path, true );
+	}
+
+	/**
+	 * Don't use this constructor.  This is used by JAXB to unmarshall saved
+	 * map icons.
+	 */
+	public MapIcon()
+	{
+		mEditable = true;
+	}
+
+
+	@XmlAttribute( name="editable" )
+	public boolean isEditable()
+	{
+		return mEditable;
+	}
+	
+	@XmlAttribute( name="default" )
+	public boolean isDefaultIcon()
+	{
+		return mDefaultIcon;
+	}
+	
+	public void setDefaultIcon( boolean isDefault )
+	{
+		mDefaultIcon = isDefault;
+	}
+	
+	public ImageIcon getImageIcon()
+	{
+		if( mImageIcon == null )
+		{
+			mImageIcon = new ImageIcon( mPath );
+			
+			/**
+			 * If the image is too big, scale it down to max pixel size squared
+			 */
+			if( mImageIcon.getIconWidth() > sMAX_IMAGE_DIMENSION ||
+				mImageIcon.getIconHeight() > sMAX_IMAGE_DIMENSION )
+			{
+				/**
+				 * getScaled instance will correct any negative value to the
+				 * correct value, maintaining original aspect ratio.  So, we
+				 * only scale the larger value, and allow the image class to
+				 * determine the correct value for the other measurement
+				 */
+				int height = -1;
+				int width = -1;
+				
+				/**
+				 * Use the larger width or height value to determine the 
+				 * scaling factor
+				 */
+				if( mImageIcon.getIconHeight() > mImageIcon.getIconWidth() )
+				{
+					height = sMAX_IMAGE_DIMENSION;
+				}
+				else
+				{
+					width = sMAX_IMAGE_DIMENSION;
+				}
+				
+				mImageIcon = new ImageIcon( mImageIcon.getImage()
+						.getScaledInstance( width, height, Image.SCALE_SMOOTH ) );
+			}
+			
+		}
+		
+		return mImageIcon;
+	}
+	
+	@XmlAttribute( name="path" )
+	public String getPath()
+	{
+		return mPath;
+	}
+	
+	public void setPath( String path )
+	{
+		mPath = path;
+	}
+	
+	public String toString()
+	{
+		if( mDefaultIcon )
+		{
+			return getName() + " (default)";
+		}
+		else
+		{
+			return getName();
+		}
+	}
+
+	@Override
+	public boolean equals( Object obj )
+	{
+		if( obj instanceof MapIcon )
+		{
+			MapIcon other = (MapIcon)obj;
+			
+			return other.getName().contentEquals( getName() ) &&
+				   other.getPath().contentEquals( getPath() );
+		}
+		else
+		{
+			return false;
+		}
+	}
+	
+	@Override
+	public int hashCode()
+	{
+		return getName().hashCode() + getPath().hashCode();
+	}
+
+	/**
+	 * Sort order is determined by the icon name
+	 */
+	@Override
+    public int compareTo( MapIcon other )
+    {
+		return getName().compareTo( other.getName() );
+    }
+}