Mercurial > projects > dwt-mac
annotate dwt/dnd/DragSourceEvent.d @ 45:d8635bb48c7c
Merge with SWT 3.5
author | Jacob Carlborg <doob@me.com> |
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date | Mon, 01 Dec 2008 17:07:00 +0100 |
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1 /******************************************************************************* |
45 | 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 *******************************************************************************/ |
45 | 11 module dwt.dnd.DragSourceEvent; |
12 | |
13 import dwt.dwthelper.utils; | |
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14 |
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15 import dwt.events.TypedEvent; |
45 | 16 import dwt.graphics.Image; |
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17 |
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18 /** |
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19 * The DragSourceEvent contains the event information passed in the methods of the DragSourceListener. |
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20 * |
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21 * @see DragSourceListener |
45 | 22 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
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23 */ |
45 | 24 public class DragSourceEvent extends TypedEvent { |
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25 /** |
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26 * The operation that was performed. |
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27 * @see DND#DROP_NONE |
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28 * @see DND#DROP_MOVE |
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29 * @see DND#DROP_COPY |
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30 * @see DND#DROP_LINK |
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31 * @see DND#DROP_TARGET_MOVE |
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32 */ |
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33 public int detail; |
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34 |
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35 /** |
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36 * In dragStart, the doit field determines if the drag and drop operation |
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37 * should proceed; in dragFinished, the doit field indicates whether |
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38 * the operation was performed successfully. |
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39 * <p></p> |
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40 * In dragStart: |
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41 * <p>Flag to determine if the drag and drop operation should proceed. |
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42 * The application can set this value to false to prevent the drag from starting. |
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43 * Set to true by default.</p> |
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44 * |
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45 * <p>In dragFinished:</p> |
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46 * <p>Flag to indicate if the operation was performed successfully. |
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47 * True if the operation was performed successfully.</p> |
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48 */ |
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49 public bool doit; |
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50 |
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51 /** |
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52 * In dragStart, the x coordinate (relative to the control) of the |
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53 * position the mouse went down to start the drag. |
45 | 54 * |
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55 * @since 3.2 |
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56 */ |
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57 public int x; |
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58 /** |
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59 * In dragStart, the y coordinate (relative to the control) of the |
45 | 60 * position the mouse went down to start the drag. |
61 * | |
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62 * @since 3.2 |
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63 */ |
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64 public int y; |
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65 |
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66 /** |
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67 * The type of data requested. |
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68 * Data provided in the data field must be of the same type. |
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69 */ |
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70 public TransferData dataType; |
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71 |
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72 /** |
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73 * The drag source image to be displayed during the drag. |
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74 * <p>A value of null indicates that no drag image will be displayed.</p> |
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75 * <p>The default value is null.</p> |
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76 * |
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77 * @since 3.3 |
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78 */ |
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79 public Image image; |
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80 |
45 | 81 /** |
82 * In dragStart, the x offset (relative to the image) where the drag source image will be displayed. | |
83 * | |
84 * @since 3.5 | |
85 */ | |
86 public int offsetX; | |
87 /** | |
88 * In dragStart, the y offset (relative to the image) where the drag source image will be displayed. | |
89 * | |
90 * @since 3.5 | |
91 */ | |
92 public int offsetY; | |
93 | |
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94 static final long serialVersionUID = 3257002142513770808L; |
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95 |
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96 /** |
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97 * Constructs a new instance of this class based on the |
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98 * information in the given untyped event. |
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99 * |
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100 * @param e the untyped event containing the information |
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101 */ |
45 | 102 public DragSourceEvent(DNDEvent e) { |
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103 super(e); |
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104 this.data = e.data; |
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105 this.detail = e.detail; |
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106 this.doit = e.doit; |
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107 this.dataType = e.dataType; |
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108 this.x = e.x; |
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109 this.y = e.y; |
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110 this.image = e.image; |
45 | 111 this.offsetX = e.offsetX; |
112 this.offsetY = e.offsetY; | |
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113 } |
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114 void updateEvent(DNDEvent e) { |
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115 e.widget = this.widget; |
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116 e.time = this.time; |
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117 e.data = this.data; |
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118 e.detail = this.detail; |
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119 e.doit = this.doit; |
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120 e.dataType = this.dataType; |
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121 e.x = this.x; |
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122 e.y = this.y; |
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123 e.image = this.image; |
45 | 124 e.offsetX = this.offsetX; |
125 e.offsetY = this.offsetY; | |
126 } | |
127 /** | |
128 * Returns a string containing a concise, human-readable | |
129 * description of the receiver. | |
130 * | |
131 * @return a string representation of the event | |
132 */ | |
133 public String toString() { | |
134 String string = super.toString (); | |
135 return string.substring (0, string.length() - 1) // remove trailing '}' | |
136 + " operation=" + detail | |
137 + " type=" + (dataType !is null ? dataType.type : 0) | |
138 + " doit=" + doit | |
139 + "}"; | |
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140 } |
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141 } |