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1 /*******************************************************************************
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2 * Copyright (c) 2006, 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
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12 module org.eclipse.core.databinding.observable.ChangeEvent;
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81
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13 import org.eclipse.core.databinding.observable.IChangeListener;
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14 import org.eclipse.core.databinding.observable.ObservableEvent;
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15 import org.eclipse.core.databinding.observable.IObservable;
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16 import org.eclipse.core.databinding.observable.IObservablesListener;
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78
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17
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18 import java.lang.all;
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19
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20 /**
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21 * Generic change event denoting that the state of an {@link IObservable} object
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22 * has changed. This event does not carry information about the kind of change
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23 * that occurred.
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24 *
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25 * @since 1.0
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26 *
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27 */
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28 public class ChangeEvent : ObservableEvent {
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29
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30 /**
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31 *
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32 */
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33 private static const long serialVersionUID = -3241193109844979384L;
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34 static const Object TYPE;
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35 static this(){
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36 TYPE = new Object();
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37 }
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78
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38
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39 /**
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40 * Creates a new change event object.
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41 *
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42 * @param source
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43 * the observable that changed state
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44 */
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45 public this(IObservable source) {
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46 super(source);
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47 }
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48
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49 protected void dispatch(IObservablesListener listener) {
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50 (cast(IChangeListener) listener).handleChange(this);
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51 }
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52
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53 protected Object getListenerType() {
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54 return TYPE;
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55 }
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56
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57 }
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