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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwt.dnd.DragSourceEvent;
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14
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15
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16 import dwt.events.TypedEvent;
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17 import dwt.widgets.Event;
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18 import dwt.graphics.Image;
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19 import dwt.dnd.TransferData;
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20 import dwt.dnd.DNDEvent;
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21
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22 /**
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23 * The DragSourceEvent contains the event information passed in the methods of the DragSourceListener.
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24 *
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25 * @see DragSourceListener
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26 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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27 */
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28 public class DragSourceEvent : TypedEvent {
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29 /**
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30 * The operation that was performed.
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31 * @see DND#DROP_NONE
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32 * @see DND#DROP_MOVE
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33 * @see DND#DROP_COPY
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34 * @see DND#DROP_LINK
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35 * @see DND#DROP_TARGET_MOVE
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36 */
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37 public int detail;
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38
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39 /**
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40 * In dragStart, the doit field determines if the drag and drop operation
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41 * should proceed; in dragFinished, the doit field indicates whether
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42 * the operation was performed successfully.
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43 * <p></p>
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44 * In dragStart:
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45 * <p>Flag to determine if the drag and drop operation should proceed.
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46 * The application can set this value to false to prevent the drag from starting.
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47 * Set to true by default.</p>
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48 *
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49 * <p>In dragFinished:</p>
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50 * <p>Flag to indicate if the operation was performed successfully.
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51 * True if the operation was performed successfully.</p>
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52 */
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53 public bool doit;
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54
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55 /**
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56 * In dragStart, the x coordinate (relative to the control) of the
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57 * position the mouse went down to start the drag.
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58 * @since 3.2
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59 */
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60 public int x;
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61 /**
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62 * In dragStart, the y coordinate (relative to the control) of the
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63 * position the mouse went down to start the drag .
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64 * @since 3.2
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65 */
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66 public int y;
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67
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68 /**
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69 * The type of data requested.
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70 * Data provided in the data field must be of the same type.
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71 */
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72 public TransferData dataType;
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73
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74 /**
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75 * The drag source image to be displayed during the drag.
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76 * <p>A value of null indicates that no drag image will be displayed.</p>
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77 * <p>The default value is null.</p>
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78 *
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79 * @since 3.3
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80 */
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81 public Image image;
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82
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83 static const long serialVersionUID = 3257002142513770808L;
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84
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85 /**
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86 * Constructs a new instance of this class based on the
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87 * information in the given untyped event.
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88 *
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89 * @param e the untyped event containing the information
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90 */
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91 public this(DNDEvent e) {
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92 super( cast(Event) e );
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93 this.data = e.data;
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94 this.detail = e.detail;
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95 this.doit = e.doit;
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96 this.dataType = e.dataType;
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97 this.x = e.x;
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98 this.y = e.y;
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99 this.image = e.image;
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100 }
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101 void updateEvent(DNDEvent e) {
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102 e.widget = this.widget;
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103 e.time = this.time;
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104 e.data = this.data;
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105 e.detail = this.detail;
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106 e.doit = this.doit;
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107 e.dataType = this.dataType;
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108 e.x = this.x;
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109 e.y = this.y;
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110 e.image = this.image;
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111 }
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112 }
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