Mercurial > projects > dwt-mac
annotate dwt/dnd/DNDListener.d @ 94:70a562fb34e4
Ported dwt.dnd.DNDListener
author | Jacob Carlborg <doob@me.com> |
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date | Tue, 30 Dec 2008 19:12:22 +0100 |
parents | d8635bb48c7c |
children | d32621bf0f90 |
rev | line source |
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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 |
94 | 10 * |
11 * Port to the D programming language: | |
12 * Jacob Carlborg <doob@me.com> | |
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13 *******************************************************************************/ |
45 | 14 module dwt.dnd.DNDListener; |
15 | |
16 import dwt.dwthelper.utils; | |
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17 |
45 | 18 import dwt.internal.DWTEventListener; |
19 import dwt.widgets.Event; | |
20 import dwt.widgets.TypedListener; | |
21 import dwt.widgets.Widget; | |
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22 |
94 | 23 import dwt.dnd.DND; |
24 import dwt.dnd.DNDEvent; | |
25 import dwt.dnd.DragSource; | |
26 import dwt.dnd.DragSourceEvent; | |
27 import dwt.dnd.DragSourceListener; | |
28 import dwt.dnd.DropTargetEvent; | |
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29 |
94 | 30 class DNDListener : TypedListener { |
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31 Widget dndWidget; |
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32 /** |
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33 * DNDListener constructor comment. |
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34 * @param listener dwt.internal.DWTEventListener |
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35 */ |
94 | 36 this(DWTEventListener listener) { |
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37 super(listener); |
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38 } |
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39 public void handleEvent (Event e) { |
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40 switch (e.type) { |
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41 case DND.DragStart: { |
94 | 42 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e); |
43 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect(); | |
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44 if (sourceEffect !is null) { |
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45 sourceEffect.dragStart (event); |
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46 } |
94 | 47 (cast(DragSourceListener) eventListener).dragStart (event); |
48 event.updateEvent(cast(DNDEvent)e); | |
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49 break; |
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50 } |
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51 case DND.DragEnd: { |
94 | 52 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e); |
53 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect(); | |
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54 if (sourceEffect !is null) { |
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55 sourceEffect.dragFinished (event); |
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56 } |
94 | 57 (cast(DragSourceListener) eventListener).dragFinished (event); |
58 event.updateEvent(cast(DNDEvent)e); | |
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59 break; |
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60 } |
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61 case DND.DragSetData: { |
94 | 62 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e); |
63 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect(); | |
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64 if (sourceEffect !is null) { |
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65 sourceEffect.dragSetData (event); |
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66 } |
94 | 67 (cast(DragSourceListener) eventListener).dragSetData (event); |
68 event.updateEvent(cast(DNDEvent)e); | |
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69 break; |
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70 } |
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71 case DND.DragEnter: { |
94 | 72 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
73 (cast(DropTargetListener) eventListener).dragEnter (event); | |
74 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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75 if (dropEffect !is null) { |
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76 dropEffect.dragEnter (event); |
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77 } |
94 | 78 event.updateEvent(cast(DNDEvent)e); |
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79 break; |
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80 } |
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81 case DND.DragLeave: { |
94 | 82 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
83 (cast(DropTargetListener) eventListener).dragLeave (event); | |
84 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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85 if (dropEffect !is null) { |
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86 dropEffect.dragLeave (event); |
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87 } |
94 | 88 event.updateEvent(cast(DNDEvent)e); |
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89 break; |
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90 } |
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91 case DND.DragOver: { |
94 | 92 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
93 (cast(DropTargetListener) eventListener).dragOver (event); | |
94 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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95 if (dropEffect !is null) { |
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96 dropEffect.dragOver (event); |
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97 } |
94 | 98 event.updateEvent(cast(DNDEvent)e); |
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99 break; |
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100 } |
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101 case DND.Drop: { |
94 | 102 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
103 (cast(DropTargetListener) eventListener).drop (event); | |
104 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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105 if (dropEffect !is null) { |
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106 dropEffect.drop (event); |
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107 } |
94 | 108 event.updateEvent(cast(DNDEvent)e); |
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109 break; |
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110 } |
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111 case DND.DropAccept: { |
94 | 112 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
113 (cast(DropTargetListener) eventListener).dropAccept (event); | |
114 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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115 if (dropEffect !is null) { |
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116 dropEffect.dropAccept (event); |
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117 } |
94 | 118 event.updateEvent(cast(DNDEvent)e); |
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119 break; |
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120 } |
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121 case DND.DragOperationChanged: { |
94 | 122 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e); |
123 (cast(DropTargetListener) eventListener).dragOperationChanged (event); | |
124 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect(); | |
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125 if (dropEffect !is null) { |
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126 dropEffect.dragOperationChanged (event); |
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127 } |
94 | 128 event.updateEvent(cast(DNDEvent)e); |
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129 break; |
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130 } |
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131 |
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132 } |
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133 } |
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134 } |