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annotate dwtx/dwtxhelper/Bean.d @ 112:9cb927d16b0a

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Fix missing import
author Frank Benoit <benoit@tionex.de>
date Fri, 08 Aug 2008 00:21:19 +0200
parents d79c6b934729
children 5a082a5e1a5b
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1 module dwtx.dwtxhelper.Bean;
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2
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3 import dwt.dwthelper.utils;
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4 static import tango.core.Array;
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6 class PropertyChangeEvent : EventObject {
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7 private String propertyName;
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8 private Object oldValue;
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9 private Object newValue;
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10 private Object propagationId;
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11
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12 this( Object source, String propertyName, Object oldValue, Object newValue) {
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13 super( source );
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14 this.propertyName = propertyName;
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15 this.oldValue = oldValue;
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16 this.newValue = newValue;
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17 }
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18 Object getNewValue(){
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19 return newValue;
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20 }
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21 Object getOldValue(){
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22 return oldValue;
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23 }
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24 Object getPropagationId(){
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25 return propagationId;
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26 }
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27 String getPropertyName(){
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28 return propertyName;
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29 }
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30 void setPropagationId(Object propagationId){
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31 this.propagationId = propagationId;
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32 }
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33 public override String toString() {
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34 return this.classinfo.name ~ "[source=" ~ source.toString() ~ "]";
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35 }
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36 }
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37
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38 interface PropertyChangeListener {
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39 void propertyChange(PropertyChangeEvent evt);
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40 }
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42
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43 class PropertyChangeSupport {
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44 PropertyChangeListener[][ String ] listeners;
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45 Object obj;
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46 this(Object obj){
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47 this.obj = obj;
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48 }
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49 void addPropertyChangeListener(PropertyChangeListener listener){
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50 addPropertyChangeListener( "", listener );
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51 }
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52 void addPropertyChangeListener(String propertyName, PropertyChangeListener listener){
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53 PropertyChangeListener[] list = listeners[ propertyName ];
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54 list ~= listener;
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55 listeners[ propertyName.dup ] = list;
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56 }
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57 void firePropertyChange(String propertyName, bool oldValue, bool newValue){
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58 firePropertyChange( propertyName, Boolean.valueOf(oldValue), Boolean.valueOf(newValue) );
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59 }
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60 void firePropertyChange(String propertyName, int oldValue, int newValue){
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61 firePropertyChange( propertyName, new Integer(oldValue), new Integer(newValue) );
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62 }
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63 void firePropertyChange(String propertyName, Object oldValue, Object newValue){
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64 PropertyChangeListener[] list = listeners[ propertyName ];
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65 auto evt = new PropertyChangeEvent( obj, propertyName, oldValue, newValue );
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66 foreach( listener; list ){
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67 if( listener ){
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68 listener.propertyChange( evt );
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69 }
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70 }
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71 }
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72 void removePropertyChangeListener(PropertyChangeListener listener){
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73 removePropertyChangeListener( "", listener );
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74 }
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75 void removePropertyChangeListener(String propertyName, PropertyChangeListener listener){
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76 if( auto list = propertyName in listeners ){
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77 tango.core.Array.remove( *list, listener );
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78 if( list.length > 0 ){
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79 listeners[ propertyName.dup ] = *list;
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80 }
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81 else{
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82 listeners.remove( propertyName );
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83 }
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84 }
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85 }
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