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annotate dwtx/draw2d/ActionListener.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.draw2d.ActionListener;
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14
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15 import dwt.dwthelper.utils;
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16 import tango.core.Traits;
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17 import tango.core.Tuple;
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18
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19 import dwtx.draw2d.ActionEvent;
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20
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21 /**
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22 * A Listener interface for receiving {@link ActionEvent ActionEvents}.
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23 */
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24 public interface ActionListener {
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25
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26 /**
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27 * Called when the action occurs.
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28 * @param event The event
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29 */
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30 void actionPerformed(ActionEvent event);
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31
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32 }
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33 // DWT Helper
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34 private class _DgActionListenerT(Dg,T...) : ActionListener {
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35
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36 alias ParameterTupleOf!(Dg) DgArgs;
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37 static assert( is(DgArgs == Tuple!(ActionEvent,T)),
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38 "Delegate args not correct" );
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39
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40 Dg dg;
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41 T t;
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42
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43 private this( Dg dg, T t ){
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44 this.dg = dg;
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45 static if( T.length > 0 ){
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46 this.t = t;
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47 }
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48 }
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49
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50 void actionPerformed( ActionEvent e ){
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51 dg(e,t);
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52 }
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53 }
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54
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55 ActionListener dgActionListener( Dg, T... )( Dg dg, T args ){
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56 return new _DgActionListenerT!( Dg, T )( dg, args );
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57 }