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annotate dwt/dnd/DNDListener.d @ 45:d8635bb48c7c

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Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +0100
parents e831403a80a9
children 70a562fb34e4
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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.DNDListener;
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12
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13 import dwt.dwthelper.utils;
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15 import dwt.internal.DWTEventListener;
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16 import dwt.widgets.Event;
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17 import dwt.widgets.TypedListener;
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18 import dwt.widgets.Widget;
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20
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21 class DNDListener extends TypedListener {
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22 Widget dndWidget;
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23 /**
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24 * DNDListener constructor comment.
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25 * @param listener dwt.internal.DWTEventListener
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26 */
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27 DNDListener(DWTEventListener listener) {
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28 super(listener);
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29 }
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30 public void handleEvent (Event e) {
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31 switch (e.type) {
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32 case DND.DragStart: {
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33 DragSourceEvent event = new DragSourceEvent((DNDEvent)e);
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34 DragSourceEffect sourceEffect = ((DragSource) dndWidget).getDragSourceEffect();
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35 if (sourceEffect !is null) {
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36 sourceEffect.dragStart (event);
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37 }
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38 ((DragSourceListener) eventListener).dragStart (event);
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39 event.updateEvent((DNDEvent)e);
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41 }
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42 case DND.DragEnd: {
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43 DragSourceEvent event = new DragSourceEvent((DNDEvent)e);
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44 DragSourceEffect sourceEffect = ((DragSource) dndWidget).getDragSourceEffect();
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45 if (sourceEffect !is null) {
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46 sourceEffect.dragFinished (event);
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47 }
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48 ((DragSourceListener) eventListener).dragFinished (event);
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49 event.updateEvent((DNDEvent)e);
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51 }
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52 case DND.DragSetData: {
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53 DragSourceEvent event = new DragSourceEvent((DNDEvent)e);
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54 DragSourceEffect sourceEffect = ((DragSource) dndWidget).getDragSourceEffect();
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55 if (sourceEffect !is null) {
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56 sourceEffect.dragSetData (event);
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57 }
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58 ((DragSourceListener) eventListener).dragSetData (event);
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59 event.updateEvent((DNDEvent)e);
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61 }
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62 case DND.DragEnter: {
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63 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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64 ((DropTargetListener) eventListener).dragEnter (event);
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65 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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66 if (dropEffect !is null) {
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67 dropEffect.dragEnter (event);
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68 }
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69 event.updateEvent((DNDEvent)e);
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71 }
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72 case DND.DragLeave: {
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73 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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74 ((DropTargetListener) eventListener).dragLeave (event);
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75 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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76 if (dropEffect !is null) {
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77 dropEffect.dragLeave (event);
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78 }
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79 event.updateEvent((DNDEvent)e);
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81 }
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82 case DND.DragOver: {
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83 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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84 ((DropTargetListener) eventListener).dragOver (event);
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85 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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86 if (dropEffect !is null) {
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87 dropEffect.dragOver (event);
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88 }
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89 event.updateEvent((DNDEvent)e);
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91 }
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92 case DND.Drop: {
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93 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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94 ((DropTargetListener) eventListener).drop (event);
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95 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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96 if (dropEffect !is null) {
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97 dropEffect.drop (event);
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98 }
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99 event.updateEvent((DNDEvent)e);
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101 }
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102 case DND.DropAccept: {
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103 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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104 ((DropTargetListener) eventListener).dropAccept (event);
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105 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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106 if (dropEffect !is null) {
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107 dropEffect.dropAccept (event);
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108 }
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109 event.updateEvent((DNDEvent)e);
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111 }
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112 case DND.DragOperationChanged: {
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113 DropTargetEvent event = new DropTargetEvent((DNDEvent)e);
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114 ((DropTargetListener) eventListener).dragOperationChanged (event);
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115 DropTargetEffect dropEffect = ((DropTarget) dndWidget).getDropTargetEffect();
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116 if (dropEffect !is null) {
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117 dropEffect.dragOperationChanged (event);
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118 }
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119 event.updateEvent((DNDEvent)e);
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121 }
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122
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123 }
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124 }
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125 }