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annotate dwt/dnd/DNDListener.d @ 156:969e7de37c3d default tip

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Fixes to get dwt to work with dmd and ldc
author Jacob Carlborg <doob@me.com>
date Wed, 08 Jul 2009 21:56:44 +0200
parents a2d82e6fd054
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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 * Port to the D programming language:
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12 * Jacob Carlborg <doob@me.com>
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13 *******************************************************************************/
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14 module dwt.dnd.DNDListener;
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16 import dwt.dwthelper.utils;
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18 import dwt.internal.DWTEventListener;
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19 import dwt.widgets.Event;
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20 import dwt.widgets.TypedListener;
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21 import dwt.widgets.Widget;
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23 import dwt.dnd.DND;
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24 import dwt.dnd.DNDEvent;
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25 import dwt.dnd.DragSource;
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26 import dwt.dnd.DragSourceEffect;
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27 import dwt.dnd.DragSourceEvent;
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28 import dwt.dnd.DragSourceListener;
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29 import dwt.dnd.DropTarget;
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30 import dwt.dnd.DropTargetEffect;
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31 import dwt.dnd.DropTargetEvent;
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32 import dwt.dnd.DropTargetListener;
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34 class DNDListener : TypedListener {
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35 Widget dndWidget;
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36 /**
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37 * DNDListener constructor comment.
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38 * @param listener dwt.internal.DWTEventListener
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39 */
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40 this(DWTEventListener listener) {
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41 super(listener);
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42 }
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43 public void handleEvent (Event e) {
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44 switch (e.type) {
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45 case DND.DragStart: {
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46 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e);
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47 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect();
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48 if (sourceEffect !is null) {
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49 sourceEffect.dragStart (event);
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50 }
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51 (cast(DragSourceListener) eventListener).dragStart (event);
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52 event.updateEvent(cast(DNDEvent)e);
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53 break;
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54 }
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55 case DND.DragEnd: {
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56 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e);
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57 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect();
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58 if (sourceEffect !is null) {
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59 sourceEffect.dragFinished (event);
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60 }
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61 (cast(DragSourceListener) eventListener).dragFinished (event);
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62 event.updateEvent(cast(DNDEvent)e);
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64 }
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65 case DND.DragSetData: {
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66 DragSourceEvent event = new DragSourceEvent(cast(DNDEvent)e);
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67 DragSourceEffect sourceEffect = (cast(DragSource) dndWidget).getDragSourceEffect();
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68 if (sourceEffect !is null) {
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69 sourceEffect.dragSetData (event);
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70 }
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71 (cast(DragSourceListener) eventListener).dragSetData (event);
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72 event.updateEvent(cast(DNDEvent)e);
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74 }
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75 case DND.DragEnter: {
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76 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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77 (cast(DropTargetListener) eventListener).dragEnter (event);
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78 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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79 if (dropEffect !is null) {
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80 dropEffect.dragEnter (event);
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81 }
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82 event.updateEvent(cast(DNDEvent)e);
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84 }
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85 case DND.DragLeave: {
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86 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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87 (cast(DropTargetListener) eventListener).dragLeave (event);
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88 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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89 if (dropEffect !is null) {
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90 dropEffect.dragLeave (event);
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91 }
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92 event.updateEvent(cast(DNDEvent)e);
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94 }
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95 case DND.DragOver: {
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96 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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97 (cast(DropTargetListener) eventListener).dragOver (event);
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98 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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99 if (dropEffect !is null) {
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100 dropEffect.dragOver (event);
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101 }
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102 event.updateEvent(cast(DNDEvent)e);
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104 }
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105 case DND.Drop: {
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106 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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107 (cast(DropTargetListener) eventListener).drop (event);
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108 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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109 if (dropEffect !is null) {
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110 dropEffect.drop (event);
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111 }
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112 event.updateEvent(cast(DNDEvent)e);
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114 }
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115 case DND.DropAccept: {
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116 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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117 (cast(DropTargetListener) eventListener).dropAccept (event);
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118 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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119 if (dropEffect !is null) {
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120 dropEffect.dropAccept (event);
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121 }
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122 event.updateEvent(cast(DNDEvent)e);
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124 }
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125 case DND.DragOperationChanged: {
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126 DropTargetEvent event = new DropTargetEvent(cast(DNDEvent)e);
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127 (cast(DropTargetListener) eventListener).dragOperationChanged (event);
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128 DropTargetEffect dropEffect = (cast(DropTarget) dndWidget).getDropTargetEffect();
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129 if (dropEffect !is null) {
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130 dropEffect.dragOperationChanged (event);
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132 event.updateEvent(cast(DNDEvent)e);
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