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comparison dwt/dnd/DropTargetEvent.d @ 0:380af2bdd8e5

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author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 module dwt.dnd;
12
13 import dwt.events.TypedEvent;
14 import dwt.widgets.Widget;
15
16 /**
17 * The DropTargetEvent contains the event information passed in the methods of the DropTargetListener.
18 */
19 public class DropTargetEvent : TypedEvent {
20 /**
21 * The x-cordinate of the cursor relative to the <code>Display</code>
22 */
23 public int x;
24
25 /**
26 * The y-cordinate of the cursor relative to the <code>Display</code>
27 */
28 public int y;
29
30 /**
31 * The operation being performed.
32 * @see DND#DROP_NONE
33 * @see DND#DROP_MOVE
34 * @see DND#DROP_COPY
35 * @see DND#DROP_LINK
36 */
37 public int detail;
38
39 /**
40 * A bitwise OR'ing of the operations that the DragSource can support
41 * (e.g. DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK).
42 * The detail value must be a member of this list or DND.DROP_NONE.
43 * @see DND#DROP_NONE
44 * @see DND#DROP_MOVE
45 * @see DND#DROP_COPY
46 * @see DND#DROP_LINK
47 */
48 public int operations;
49
50 /**
51 * A bitwise OR'ing of the drag under effect feedback to be displayed to the user
52 * (e.g. DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL | DND.FEEDBACK_EXPAND).
53 * <p>A value of DND.FEEDBACK_NONE indicates that no drag under effect will be displayed.</p>
54 * <p>Feedback effects will only be applied if they are applicable.</p>
55 * <p>The default value is DND.FEEDBACK_SELECT.</p>
56 * @see DND#FEEDBACK_NONE
57 * @see DND#FEEDBACK_SELECT
58 * @see DND#FEEDBACK_INSERT_BEFORE
59 * @see DND#FEEDBACK_INSERT_AFTER
60 * @see DND#FEEDBACK_SCROLL
61 * @see DND#FEEDBACK_EXPAND
62 */
63 public int feedback;
64
65 /**
66 * If the associated control is a table or tree, this field contains the item located
67 * at the cursor coordinates.
68 */
69 public Widget item;
70
71 /**
72 * The type of data that will be dropped.
73 */
74 public TransferData currentDataType;
75
76 /**
77 * A list of the types of data that the DragSource is capable of providing.
78 * The currentDataType must be a member of this list.
79 */
80 public TransferData[] dataTypes;
81
82 static final long serialVersionUID = 3256727264573338678L;
83
84 /**
85 * Constructs a new instance of this class based on the
86 * information in the given untyped event.
87 *
88 * @param e the untyped event containing the information
89 */
90 public DropTargetEvent(DNDEvent e) {
91 super(e);
92 this.data = e.data;
93 this.x = e.x;
94 this.y = e.y;
95 this.detail = e.detail;
96 this.currentDataType = e.dataType;
97 this.dataTypes = e.dataTypes;
98 this.operations = e.operations;
99 this.feedback = e.feedback;
100 this.item = e.item;
101 }
102 void updateEvent(DNDEvent e) {
103 e.widget = this.widget;
104 e.time = this.time;
105 e.data = this.data;
106 e.x = this.x;
107 e.y = this.y;
108 e.detail = this.detail;
109 e.dataType = this.currentDataType;
110 e.dataTypes = this.dataTypes;
111 e.operations = this.operations;
112 e.feedback = this.feedback;
113 e.item = this.item;
114 }
115 }