01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
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30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
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35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
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40: */
41:
42: package org.netbeans.core.windows.view.dnd;
43:
44: import org.netbeans.core.windows.view.ViewElement;
45: import org.openide.windows.TopComponent;
46:
47: import java.awt.*;
48:
49: /**
50: * Interface which allows container to provide support for dynamic
51: * drop target indication, thus handling possible
52: * drop operations for all its sub components and actually
53: * provides the drop operation to the container.
54: *
55: * @author Peter Zavadsky
56: *
57: * @see DropTargetGlassPane
58: */
59: public interface TopComponentDroppable {
60: /** Gets <code>Shape</code> object needed to used as indicator
61: * of possible drop operation.
62: * @param location within the container's glass pane coordinates */
63: public Shape getIndicationForLocation(Point location);
64:
65: /** Gets constraint to be used for specified location
66: * of possible drop operation.
67: * @param location within the container's glass pane coordinates
68: * @return can return <code>null</code> if default constraints should
69: * should be used */
70: public Object getConstraintForLocation(Point location);
71:
72: /** Gets actual drop component, i.e. the one which absobs the possible dropped
73: * top component. Used to detect its bounds, for drop indication. */
74: public Component getDropComponent();
75:
76: /** Gets view element into which to perform the drop operation. */
77: public ViewElement getDropViewElement();
78:
79: // XXX
80: /** Checks whether the specified TopComponent can be dropped. */
81: public boolean canDrop(TopComponent transfer, Point location);
82:
83: // XXX
84: /** Checks whether this droppable supports kind of winsys transfer.
85: * Either <code>Constants.MODE_KIND_EDITOR</code> or <code>Constants.MODE_KIND_VIEW or both. */
86: public boolean supportsKind(int kind, TopComponent transfer);
87: }
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