Remove UI dependencies to JCR.

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.jcr.ui / src / org / argeo / cms / ui / fs / FileDrop.java

diff --git a/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/fs/FileDrop.java b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/fs/FileDrop.java
new file mode 100644 (file)
index 0000000..e875b5a
--- /dev/null
+++ b/jcr/org.argeo.cms.jcr.ui/src/org/argeo/cms/ui/fs/FileDrop.java
@@ -0,0 +1,37 @@
+package org.argeo.cms.ui.fs;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.argeo.api.cms.CmsLog;
+import org.argeo.eclipse.ui.specific.FileDropAdapter;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.widgets.Control;
+
+/** Allows a control to receive file drops. */
+public class FileDrop {
+       private final static CmsLog log = CmsLog.getLog(FileDrop.class);
+
+       public void createDropTarget(Control control) {
+               FileDropAdapter fileDropAdapter = new FileDropAdapter() {
+                       @Override
+                       protected void processUpload(InputStream in, String fileName, String contentType) throws IOException {
+                               if (log.isDebugEnabled())
+                                       log.debug("Process upload of " + fileName + " (" + contentType + ")");
+                               processFileUpload(in, fileName, contentType);
+                       }
+               };
+               DropTarget dropTarget = new DropTarget(control, DND.DROP_MOVE | DND.DROP_COPY);
+               fileDropAdapter.prepareDropTarget(control, dropTarget);
+       }
+
+       public void handleFileDrop(Control control, DropTargetEvent event) {
+       }
+
+       /** Executed in UI thread */
+       protected void processFileUpload(InputStream in, String fileName, String contentType) throws IOException {
+
+       }
+}