Start single sourcing file drop

[lgpl/argeo-commons.git] / rcp / org.argeo.eclipse.ui.rcp / src / org / argeo / eclipse / ui / specific / FileDropAdapter.java

diff --git a/rcp/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/FileDropAdapter.java b/rcp/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/FileDropAdapter.java
new file mode 100644 (file)
index 0000000..5b16d99
--- /dev/null
+++ b/rcp/org.argeo.eclipse.ui.rcp/src/org/argeo/eclipse/ui/specific/FileDropAdapter.java
@@ -0,0 +1,47 @@
+package org.argeo.eclipse.ui.specific;
+
+import java.io.InputStream;
+import java.util.Arrays;
+
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.DropTargetAdapter;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.widgets.Control;
+
+public class FileDropAdapter {
+
+       public void prepareDropTarget(Control control, DropTarget dropTarget) {
+               dropTarget.setTransfer(new Transfer[] { FileTransfer.getInstance() });
+               dropTarget.addDropListener(new DropTargetAdapter() {
+                       @Override
+                       public void dropAccept(DropTargetEvent event) {
+                               if (!FileTransfer.getInstance().isSupportedType(event.currentDataType)) {
+                                       event.detail = DND.DROP_NONE;
+                               }
+                       }
+
+                       @Override
+                       public void drop(DropTargetEvent event) {
+                               handleFileDrop(control, event);
+                       }
+               });
+       }
+
+       public void handleFileDrop(Control control, DropTargetEvent event) {
+               String fileList[] = null;
+               FileTransfer ft = FileTransfer.getInstance();
+               if (ft.isSupportedType(event.currentDataType)) {
+                       fileList = (String[]) event.data;
+               }
+               System.out.println(Arrays.toString(fileList));
+       }
+
+       /** Executed in UI thread */
+       protected void processUpload(InputStream in, String fileName, String contentType) {
+
+       }
+
+}