frontend/src/saccubus/util/FileDropTarget.java

   1 /**
   2  * \83h\83\89\83b\83N\81E\83A\83\93\83h\81E\83h\83\8d\83b\83v\82ð\8eÀ\8c»\82·\82é\82½\82ß\82Ì\83N\83\89\83X\81B
   3  */
   4 package saccubus.util;
   5
   6 import java.awt.datatransfer.*;
   7 import java.awt.dnd.*;
   8 import java.io.File;
   9 import java.io.IOException;
  10
  11 import javax.swing.JTextField;
  12
  13 /**
  14  * @author PSI
  15  *
  16  */
  17 public class FileDropTarget extends DropTargetAdapter {
  18         private final JTextField Field;
  19
  20         private final boolean isFolder;
  21
  22         public FileDropTarget(JTextField field, boolean is_folder) {
  23                 isFolder = is_folder;
  24                 Field = field;
  25         }
  26
  27         public void dragOver(DropTargetDragEvent dtde) {
  28                 if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
  29                         dtde.acceptDrag(DnDConstants.ACTION_COPY);
  30                         return;
  31                 }
  32                 dtde.rejectDrag();
  33         }
  34
  35         public void drop(DropTargetDropEvent dtde) {
  36                 try {
  37                         if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
  38                                 dtde.acceptDrop(DnDConstants.ACTION_COPY);
  39                                 Transferable t = dtde.getTransferable();
  40                                 java.util.List list = (java.util.List) t
  41                                                 .getTransferData(DataFlavor.javaFileListFlavor);
  42                                 for (Object o : list) {
  43                                         if (o instanceof File) {
  44                                                 File file = (File) o;
  45                                                 if (isFolder) {
  46                                                         if (file.isDirectory()) {
  47                                                                 Field.setText(file.getPath());
  48                                                         } else {
  49                                                                 Field.setText(file.getParent());
  50                                                         }
  51                                                 } else {
  52                                                         if (file.isFile()) {
  53                                                                 Field.setText(file.getPath());
  54                                                         }
  55                                                 }
  56                                         }
  57                                 }
  58                                 dtde.dropComplete(true);
  59                         }
  60                 } catch (UnsupportedFlavorException e) {
  61                         e.printStackTrace();
  62                 } catch (IOException e) {
  63                         e.printStackTrace();
  64                 }
  65         }
  66
  67 }