Added getSuggestedFiletype along with code reorganizations to

support this method.

src/com/webcodepro/applecommander/storage/DosFormatDisk.java

@@ -644,6 +644,24 @@ public class DosFormatDisk extends FormattedDisk {
 		return filename.toUpperCase().substring(0, len).trim();
 	}
 
+	/**
+	 * Returns a valid filetype for the given filename.  The most simple
+	 * format will just assume a filetype of binary.  This method is
+	 * available for the interface to make an intelligent first guess
+	 * as to the filetype.
+	 */
+	public String getSuggestedFiletype(String filename) {
+		String filetype = "B";
+		int pos = filename.lastIndexOf(".");
+		if (pos > 0) {
+			String what = filename.substring(pos+1);
+			if ("txt".equalsIgnoreCase(what)) {
+				filetype = "T";
+			}
+		}
+		return filetype;
+	}
+
 	/**
 	 * Returns a list of possible file types.  Since the filetype is
 	 * specific to each operating system, a simple String is used.

src/com/webcodepro/applecommander/storage/FormattedDisk.java

@@ -343,6 +343,14 @@ public abstract class FormattedDisk extends Disk {
 	 */
 	public abstract String getSuggestedFilename(String filename);
 	
+	/**
+	 * Returns a valid filetype for the given filename.  The most simple
+	 * format will just assume a filetype of binary.  This method is
+	 * available for the interface to make an intelligent first guess
+	 * as to the filetype.
+	 */
+	public abstract String getSuggestedFiletype(String filename);
+	
 	/**
 	 * Returns a list of possible file types.  Since the filetype is
 	 * specific to each operating system, a simple String is used.

src/com/webcodepro/applecommander/storage/PascalFormatDisk.java

@@ -40,15 +40,21 @@ public class PascalFormatDisk extends FormattedDisk {
 	 * The number of Pascal blocks on a 140K disk.
 	 */
 	public static final int PASCAL_BLOCKS_ON_140K_DISK = 280;
+	
+	// filetypes used elsewhere in the code:
+	private static final String TEXTFILE = "textfile";
+	private static final String CODEFILE = "codefile";
+	private static final String DATAFILE = "datafile";
+	
 	/**
 	 * The know filetypes for a Pascal disk.
 	 */
 	private static final String[] filetypes = {
 			"xdskfile",
-			"codefile",
-			"textfile",
+			CODEFILE,
+			TEXTFILE,
 			"infofile",
-			"datafile",
+			DATAFILE,
 			"graffile",
 			"fotofile",
 			"securedir" };
@@ -468,6 +474,26 @@ public class PascalFormatDisk extends FormattedDisk {
 		return newName.toString().toUpperCase().trim();
 	}
 
+	/**
+	 * Returns a valid filetype for the given filename.  The most simple
+	 * format will just assume a filetype of binary.  This method is
+	 * available for the interface to make an intelligent first guess
+	 * as to the filetype.
+	 */
+	public String getSuggestedFiletype(String filename) {
+		String filetype = DATAFILE;
+		int pos = filename.lastIndexOf(".");
+		if (pos > 0) {
+			String what = filename.substring(pos+1);
+			if ("txt".equalsIgnoreCase(what)) {
+				filetype = TEXTFILE;
+			} else if ("pas".equalsIgnoreCase(what)) {
+				filetype = CODEFILE;
+			}
+		}
+		return filetype;
+	}
+
 	/**
 	 * Returns a list of possible file types.  Since the filetype is
 	 * specific to each operating system, a simple String is used.

src/com/webcodepro/applecommander/storage/ProdosFormatDisk.java

@@ -775,6 +775,25 @@ public class ProdosFormatDisk extends FormattedDisk {
 		return newName.toString().toUpperCase().trim();
 	}
 
+	/**
+	 * Returns a valid filetype for the given filename.  The most simple
+	 * format will just assume a filetype of binary.  This method is
+	 * available for the interface to make an intelligent first guess
+	 * as to the filetype.
+	 */
+	public String getSuggestedFiletype(String filename) {
+		String filetype = "BIN";
+		int pos = filename.lastIndexOf(".");
+		if (pos > 0) {
+			String what = filename.substring(pos+1);
+			ProdosFileType type = findFileType(what);
+			if (type != null) {
+				filetype = type.getString();
+			}
+		}
+		return filetype;
+	}
+
 	/**
 	 * Return the filetype of this file.  This will be three characters,
 	 * according to ProDOS - a "$xx" if unknown.

src/com/webcodepro/applecommander/storage/RdosFormatDisk.java

@@ -421,6 +421,24 @@ public class RdosFormatDisk extends FormattedDisk {
 		return filename.toUpperCase().substring(0, len).trim();
 	}
 
+	/**
+	 * Returns a valid filetype for the given filename.  The most simple
+	 * format will just assume a filetype of binary.  This method is
+	 * available for the interface to make an intelligent first guess
+	 * as to the filetype.
+	 */
+	public String getSuggestedFiletype(String filename) {
+		String filetype = "B";
+		int pos = filename.lastIndexOf(".");
+		if (pos > 0) {
+			String what = filename.substring(pos+1);
+			if ("txt".equalsIgnoreCase(what)) {
+				filetype = "T";
+			}
+		}
+		return filetype;
+	}
+
 	/**
 	 * Returns a list of possible file types.  Since the filetype is
 	 * specific to each operating system, a simple String is used.