rcp/org.argeo.swt.specific.rcp/src/org/argeo/eclipse/ui/specific/FileDropAdapter.java

   1 package org.argeo.eclipse.ui.specific;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.Arrays;
   6
   7 import org.eclipse.swt.dnd.DND;
   8 import org.eclipse.swt.dnd.DropTarget;
   9 import org.eclipse.swt.dnd.DropTargetAdapter;
  10 import org.eclipse.swt.dnd.DropTargetEvent;
  11 import org.eclipse.swt.dnd.FileTransfer;
  12 import org.eclipse.swt.dnd.Transfer;
  13 import org.eclipse.swt.widgets.Control;
  14
  15 public class FileDropAdapter {
  16
  17         public void prepareDropTarget(Control control, DropTarget dropTarget) {
  18                 dropTarget.setTransfer(new Transfer[] { FileTransfer.getInstance() });
  19                 dropTarget.addDropListener(new DropTargetAdapter() {
  20                         @Override
  21                         public void dropAccept(DropTargetEvent event) {
  22                                 if (!FileTransfer.getInstance().isSupportedType(event.currentDataType)) {
  23                                         event.detail = DND.DROP_NONE;
  24                                 }
  25                         }
  26
  27                         @Override
  28                         public void drop(DropTargetEvent event) {
  29                                 handleFileDrop(control, event);
  30                         }
  31                 });
  32         }
  33
  34         public void handleFileDrop(Control control, DropTargetEvent event) {
  35                 String fileList[] = null;
  36                 FileTransfer ft = FileTransfer.getInstance();
  37                 if (ft.isSupportedType(event.currentDataType)) {
  38                         fileList = (String[]) event.data;
  39                 }
  40                 System.out.println(Arrays.toString(fileList));
  41         }
  42
  43         /** Executed in UI thread */
  44         protected void processUpload(InputStream in, String fileName, String contentType) throws IOException {
  45
  46         }
  47
  48 }