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annotate dwt/dnd/DragSourceEvent.d @ 0:380af2bdd8e5

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Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 *******************************************************************************/
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11 module dwt.dnd;
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12
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13 import dwt.events.TypedEvent;
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14 import dwt.graphics.*;
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15
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16 /**
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17 * The DragSourceEvent contains the event information passed in the methods of the DragSourceListener.
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18 *
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19 * @see DragSourceListener
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20 */
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21 public class DragSourceEvent : TypedEvent {
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22 /**
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23 * The operation that was performed.
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24 * @see DND#DROP_NONE
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25 * @see DND#DROP_MOVE
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26 * @see DND#DROP_COPY
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27 * @see DND#DROP_LINK
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28 * @see DND#DROP_TARGET_MOVE
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29 */
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30 public int detail;
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31
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32 /**
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33 * In dragStart, the doit field determines if the drag and drop operation
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34 * should proceed; in dragFinished, the doit field indicates whether
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35 * the operation was performed successfully.
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36 * <p></p>
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37 * In dragStart:
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38 * <p>Flag to determine if the drag and drop operation should proceed.
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39 * The application can set this value to false to prevent the drag from starting.
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40 * Set to true by default.</p>
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41 *
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42 * <p>In dragFinished:</p>
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43 * <p>Flag to indicate if the operation was performed successfully.
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44 * True if the operation was performed successfully.</p>
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45 */
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46 public bool doit;
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47
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48 /**
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49 * In dragStart, the x coordinate (relative to the control) of the
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50 * position the mouse went down to start the drag.
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51 * @since 3.2
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52 */
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53 public int x;
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54 /**
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55 * In dragStart, the y coordinate (relative to the control) of the
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56 * position the mouse went down to start the drag .
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57 * @since 3.2
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58 */
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59 public int y;
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60
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61 /**
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62 * The type of data requested.
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63 * Data provided in the data field must be of the same type.
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64 */
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65 public TransferData dataType;
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66
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67 /**
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68 * The drag source image to be displayed during the drag.
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69 * <p>A value of null indicates that no drag image will be displayed.</p>
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70 * <p>The default value is null.</p>
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71 *
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72 * @since 3.3
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73 */
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74 public Image image;
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75
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76 static final long serialVersionUID = 3257002142513770808L;
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77
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78 /**
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79 * Constructs a new instance of this class based on the
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80 * information in the given untyped event.
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81 *
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82 * @param e the untyped event containing the information
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83 */
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84 public DragSourceEvent(DNDEvent e) {
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85 super(e);
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86 this.data = e.data;
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87 this.detail = e.detail;
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88 this.doit = e.doit;
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89 this.dataType = e.dataType;
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90 this.x = e.x;
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91 this.y = e.y;
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92 this.image = e.image;
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93 }
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94 void updateEvent(DNDEvent e) {
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95 e.widget = this.widget;
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96 e.time = this.time;
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97 e.data = this.data;
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98 e.detail = this.detail;
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99 e.doit = this.doit;
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100 e.dataType = this.dataType;
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101 e.x = this.x;
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102 e.y = this.y;
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103 e.image = this.image;
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104 }
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105 }