Moved source into separate src directory due to popular request

[GpsPrune.git] / tim / prune / FileDropHandler.java

diff --git a/tim/prune/FileDropHandler.java b/tim/prune/FileDropHandler.java
deleted file mode 100644 (file)
index 2c76385..0000000
--- a/tim/prune/FileDropHandler.java
+++ /dev/null
@@ -1,158 +0,0 @@
-package tim.prune;
-
-import java.awt.datatransfer.DataFlavor;
-import java.io.File;
-import java.net.URI;
-import java.util.ArrayList;
-
-import javax.swing.TransferHandler;
-
-/**
- * Class to listen for drag/drop events and react to dropping files on to the application
- */
-public class FileDropHandler extends TransferHandler
-{
-       /** App object for passing results back to */
-       private App _app = null;
-
-       /** Fixed flavour in case the java file list flavour isn't available */
-       private static DataFlavor _uriListFlavour = null;
-
-       /** Static block to initialise the list flavour */
-       static
-       {
-               try {_uriListFlavour = new DataFlavor("text/uri-list;class=java.lang.String");
-               } catch (ClassNotFoundException nfe) {}
-       }
-
-
-       /**
-        * Constructor
-        * @param inApp App object to pass results of drop back to
-        */
-       public FileDropHandler(App inApp)
-       {
-               _app = inApp;
-       }
-
-       /**
-        * Check if the object being dragged can be accepted
-        * @param inSupport object to check
-        */
-       public boolean canImport(TransferSupport inSupport)
-       {
-               boolean retval = inSupport.isDataFlavorSupported(DataFlavor.javaFileListFlavor)
-                       || inSupport.isDataFlavorSupported(_uriListFlavour);
-               // Modify icon to show a copy, not a move (+ icon on cursor)
-               if (retval) {
-                       inSupport.setDropAction(COPY);
-               }
-               return retval;
-       }
-
-       /**
-        * Accept the incoming data and pass it on to the App
-        * @param inSupport contents of drop
-        */
-       public boolean importData(TransferSupport inSupport)
-       {
-               if (!canImport(inSupport)) {return false;} // not allowed
-
-               boolean success = false;
-               ArrayList<File> dataFiles = new ArrayList<File>();
-
-               // Try a java file list flavour first
-               try
-               {
-                       @SuppressWarnings("unchecked")
-                       java.util.List<File> fileList = (java.util.List<File>)
-                       inSupport.getTransferable().getTransferData(DataFlavor.javaFileListFlavor);
-                       success = true;
-
-                       for (File f : fileList)
-                       {
-                               if (f != null && f.exists())
-                               {
-                                       if (f.isDirectory()) {
-                                               addDirectoryToList(f, dataFiles);
-                                       }
-                                       else if (f.isFile()) {
-                                               dataFiles.add(f);
-                                       }
-                               }
-                       }
-               } catch (Exception e) {}  // exception caught, probably missing a javafilelist flavour - just continue
-
-               // If that didn't work, try a list of strings instead
-               if (!success)
-               {
-                       try
-                       {
-                               String pathList = inSupport.getTransferable().getTransferData(_uriListFlavour).toString();
-                               success = true;
-
-                               for (String s : pathList.split("[\n\r]+"))
-                               {
-                                       if (s != null && !s.equals(""))
-                                       {
-                                               File f = new File(new URI(s));
-                                               if (f.exists())
-                                               {
-                                                       if (f.isDirectory()) {
-                                                               addDirectoryToList(f, dataFiles);
-                                                       }
-                                                       else if (f.isFile()) {
-                                                               dataFiles.add(f);
-                                                       }
-                                               }
-                                       }
-                               }
-                       } catch (Exception e) {
-                               System.err.println("exception: " + e.getClass().getName() + " - " + e.getMessage());
-                               return false;
-                       }
-               }
-
-               // Pass files back to app
-               if (!dataFiles.isEmpty()) {
-                       _app.loadDataFiles(dataFiles);
-               }
-               return true;
-       }
-
-
-       /**
-        * Recursively-called method to add files from the given directory (and its subdirectories)
-        * to the given list of files
-        * @param inDir directory to add
-        * @param inList file list to append to
-        */
-       private void addDirectoryToList(File inDir, ArrayList<File> inList)
-       {
-               if (inDir != null && inDir.exists() && inDir.canRead() && inDir.isDirectory() && inList != null)
-               {
-                       for (String path : inDir.list())
-                       {
-                               if (path != null)
-                               {
-                                       File f = new File(inDir, path);
-                                       if (f.exists() && f.canRead())
-                                       {
-                                               if (f.isFile())
-                                               {
-                                                       // Add the found file to the list (if it's not in there already)
-                                                       if (!inList.contains(f)) {
-                                                               inList.add(f);
-                                                       }
-                                               }
-                                               else if (f.isDirectory())
-                                               {
-                                                       // Recursively add the files from subdirectories
-                                                       addDirectoryToList(f, inList);
-                                               }
-                                       }
-                               }
-                       }
-               }
-       }
-}