/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package bradswebdavclient;
import com.ettrema.httpclient.Resource;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceDragEvent;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.dnd.DropTarget;
import java.util.List;
import javax.swing.JTable;
import javax.swing.TransferHandler;
/**
*
* @author mcevoyb
*/
public class TableTransferHandler extends TransferHandler implements DragGestureListener, DragSourceListener {
private static TableTransferHandler theInstance;
private static final long serialVersionUID = 1L;
private final DragSource dragSource;
private static List<Resource> draggedRows;
private DropTarget dt;
private final JTable table;
private final FolderPanel.FolderModel sourceModel;
static TableTransferHandler initInstance( JTable table, FolderPanel.FolderModel model ) {
theInstance = new TableTransferHandler( table, model, DnDConstants.ACTION_COPY_OR_MOVE );
table.setTransferHandler( theInstance );
return theInstance;
}
private TableTransferHandler( JTable table, FolderPanel.FolderModel model, int action ) {
this.table = table;
this.sourceModel = model;
dragSource = new DragSource();
dragSource.createDefaultDragGestureRecognizer( table, action, this );
// dt = new DropTarget(table, this);
}
public void dragDropEnd( DragSourceDropEvent dsde ) {
if( dsde.getDropSuccess() && dsde.getDropAction() == DnDConstants.ACTION_MOVE ) {
sourceModel.fireTableDataChanged();
}
}
public final void dragEnter( DragSourceDragEvent dsde ) {
int action = dsde.getDropAction();
if( action == DnDConstants.ACTION_COPY ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultCopyDrop );
} else {
if( action == DnDConstants.ACTION_MOVE ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveDrop );
} else {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveNoDrop );
}
}
}
public final void dragOver( DragSourceDragEvent dsde ) {
int action = dsde.getDropAction();
if( action == DnDConstants.ACTION_COPY ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultCopyDrop );
} else {
if( action == DnDConstants.ACTION_MOVE ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveDrop );
} else {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveNoDrop );
}
}
}
public final void dropActionChanged( DragSourceDragEvent dsde ) {
int action = dsde.getDropAction();
if( action == DnDConstants.ACTION_COPY ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultCopyDrop );
} else {
if( action == DnDConstants.ACTION_MOVE ) {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveDrop );
} else {
dsde.getDragSourceContext().setCursor( DragSource.DefaultMoveNoDrop );
}
}
}
public final void dragExit( DragSourceEvent dse ) {
dse.getDragSourceContext().setCursor( DragSource.DefaultMoveNoDrop );
}
/* Methods for DragGestureListener */
public final void dragGestureRecognized( DragGestureEvent dge ) {
System.out.println( "dragGestureRecognized" );
draggedRows = sourceModel.getSelectedResources();
if( draggedRows != null && draggedRows.size() > 0 ) {
System.out.println( "start drag" );
TransferableResourceList list = new TransferableResourceList( draggedRows );
dragSource.startDrag( dge, DragSource.DefaultMoveNoDrop, list, this );
}
}
/* Methods for DropTargetListener */
// public final void dragEnter(DropTargetDragEvent dtde) {
// System.out.println("dragEnter(target): " + dtde + " - " + System.currentTimeMillis());
// Point pt = dtde.getLocation();
// int action = dtde.getDropAction();
//// if (canPerformAction(tree, draggedNode, action, pt)) {
// dtde.acceptDrag(action);
//// } else {
//// dtde.rejectDrag();
//// }
// }
// public final void dragExit(DropTargetEvent dte) {
// System.out.println("dragExit(target)");
// }
//
// public final void dragOver(DropTargetDragEvent dtde) {
// Point pt = dtde.getLocation();
// int action = dtde.getDropAction();
// if (canPerformAction(table, draggedNode, action, pt)) {
// dtde.acceptDrag(action);
// } else {
// dtde.rejectDrag();
// }
// }
//
// public final void dropActionChanged(DropTargetDragEvent dtde) {
// Point pt = dtde.getLocation();
// int action = dtde.getDropAction();
//// if (canPerformAction(tree, draggedNode, action, pt)) {
// dtde.acceptDrag(action);
//// } else {
//// dtde.rejectDrag();
//// }
// }
// public final void drop(DropTargetDropEvent dtde) {
// System.out.println("drop");
// try {
// int action = dtde.getDropAction();
// Transferable transferable = dtde.getTransferable();
// Point pt = dtde.getLocation();
//// if (transferable.isDataFlavorSupported(TransferableNode.NODE_FLAVOR) && canPerformAction(tree, draggedNode, action, pt)) {
// TreePath pathTarget = table.getPathForLocation(pt.x, pt.y);
// AbstractTreeNode node = (AbstractTreeNode) transferable.getTransferData(TransferableNode.NODE_FLAVOR);
// AbstractTreeNode newParentNode = (AbstractTreeNode) pathTarget.getLastPathComponent();
// if (executeDrop(tree, node, newParentNode, action)) {
// dtde.acceptDrop(action);
// dtde.dropComplete(true);
// return;
// }
//// }
//// dtde.rejectDrop();
//// dtde.dropComplete(false);
// } catch (Exception e) {
// System.out.println(e);
// dtde.rejectDrop();
// dtde.dropComplete(false);
// }
// }
//
//
// public boolean executeDrop(final JTree target, final AbstractTreeNode draggedNode, final AbstractTreeNode newParentNode, final int action) {
// System.out.println("executeDrop");
// if (action == DnDConstants.ACTION_COPY) {
// final Droppable d = (Droppable) newParentNode;
// System.out.println("droppable: " + d);
// System.out.println("draggedNode: " + draggedNode);
// if (d.acceptCopyDrop(draggedNode)) {
// return true;
// } else {
// return false;
// }
//
// } else if (action == DnDConstants.ACTION_MOVE) {
// final Droppable d = (Droppable) newParentNode;
// System.out.println("droppable: " + d);
// System.out.println("draggedNode: " + draggedNode);
// if (d.acceptMoveDrop(draggedNode)) {
// draggedNode.removeFromParent();
// return true;
// } else {
// return false;
// }
// } else {
// return false;
// }
// }
}