X-Git-Url: https://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=tim%2Fprune%2FGpsPrune.java;h=5cc5c9043099ef3fe960ee425b5a5a7b281ba7f2;hp=41dac2b0d0300538ecb9813bd8f71462e5b8c828;hb=8c8868ae29b3252f02e094c02307384cf61ba667;hpb=649c5da6ee1bbc590699e11a92316ece2ea8512d

diff --git a/tim/prune/GpsPrune.java b/tim/prune/GpsPrune.java
index 41dac2b..5cc5c90 100644
--- a/tim/prune/GpsPrune.java
+++ b/tim/prune/GpsPrune.java
@@ -28,16 +28,16 @@ import tim.prune.gui.profile.ProfileChart;
 /**
  * GpsPrune is a tool to visualize, edit, convert and prune GPS data
  * Please see the included readme.txt or http://activityworkshop.net
- * This software is copyright activityworkshop.net 2006-2011 and made available through the Gnu GPL version 2.
+ * This software is copyright activityworkshop.net 2006-2013 and made available through the Gnu GPL version 2.
  * For license details please see the included license.txt.
  * GpsPrune is the main entry point to the application, including initialisation and launch
  */
 public class GpsPrune
 {
 	/** Version number of application, used in about screen and for version check */
-	public static final String VERSION_NUMBER = "13";
+	public static final String VERSION_NUMBER = "15.2";
 	/** Build number, just used for about screen */
-	public static final String BUILD_NUMBER = "240";
+	public static final String BUILD_NUMBER = "283b";
 	/** Static reference to App object */
 	private static App APP = null;
 
@@ -87,17 +87,20 @@ public class GpsPrune
 			{
 				// Check if a data file has been given
 				File f = new File(arg);
-				if (f.exists() && f.canRead()) {
+				if (f.exists() && f.isFile() && f.canRead()) {
 					dataFiles.add(f);
 				}
-				else {
-					System.out.println("Unknown parameter '" + arg + "'.");
+				else
+				{
+					// Make a useful String from the unknown parameter - could it be a mistyped filename?
+					System.out.println(makeUnknownParameterString(arg));
 					showUsage = true;
 				}
 			}
 		}
-		if (showUsage) {
-			System.out.println("Possible parameters:"
+		if (showUsage)
+		{
+			System.out.println("GpsPrune - a tool for editing GPS data.\nPossible parameters:"
 				+ "\n   --configfile=<file> used to specify a configuration file"
 				+ "\n   --lang=<code>       used to specify language code such as DE"
 				+ "\n   --langfile=<file>   used to specify an alternative language file\n");
@@ -134,13 +137,15 @@ public class GpsPrune
 			// If langfilename is blank on command line parameters then don't use setting from config
 			langFilename = Config.getConfigString(Config.KEY_LANGUAGE_FILE);
 		}
-		if (langFilename != null && !langFilename.equals("")) {
+		if (langFilename != null)
+		{
 			try {
 				I18nManager.addLanguageFile(langFilename);
 				Config.setConfigString(Config.KEY_LANGUAGE_FILE, langFilename);
 			}
 			catch (FileNotFoundException fnfe) {
 				System.err.println("Failed to load language file: " + langFilename);
+				Config.setConfigString(Config.KEY_LANGUAGE_FILE, "");
 			}
 		}
 		// Set up the window and go
@@ -229,6 +234,9 @@ public class GpsPrune
 		}
 		catch (Exception e) {} // ignore
 
+		// Set up drag-and-drop handler to accept dropped files
+		frame.setTransferHandler(new FileDropHandler(APP));
+
 		// finish off and display frame
 		frame.pack();
 		frame.setSize(650, 450);
@@ -245,4 +253,29 @@ public class GpsPrune
 		// Finally, give the files to load to the App
 		APP.loadDataFiles(inDataFiles);
 	}
+
+	/**
+	 * Try to guess whether it's a mistyped parameter or a mistyped filename
+	 * @param inParam command line argument
+	 * @return error message
+	 */
+	private static String makeUnknownParameterString(String inParam)
+	{
+		File file = new File(inParam);
+		if (file.exists())
+		{
+			if (file.isDirectory()) return "'" + inParam + "' is a directory";
+			if (!file.canRead())    return "Cannot read file '" + inParam + "'";
+			return "Something wrong with file '" + inParam + "'";
+		}
+		do
+		{
+			String name = file.getName();
+			file = file.getParentFile();
+			if (file != null && file.exists() && file.canRead()) return "Tried to load file '" + inParam + "' but cannot find '" + name + "'";
+		}
+		while (file != null);
+
+		return "Unknown parameter '" + inParam + "'";
+	}
 }