1 | /** |
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2 | * |
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3 | */ |
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4 | package de.ugoe.cs.quest.jfcmonitor; |
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5 | |
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6 | import java.awt.Component; |
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7 | import java.beans.PropertyChangeEvent; |
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8 | import java.beans.PropertyChangeListener; |
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9 | |
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10 | import javax.accessibility.AccessibleContext; |
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11 | |
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12 | import de.ugoe.cs.util.StringTools; |
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13 | |
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14 | /** |
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15 | * <p> |
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16 | * Listener that listens on the name change of a component. |
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17 | * </p> |
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18 | * @author Fabian Glaser |
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19 | * @version 1.0 |
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20 | */ |
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21 | public class JFCNameChangeListener implements PropertyChangeListener { |
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22 | /** |
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23 | * <p> |
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24 | * Writer for logging events. |
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25 | * </p> |
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26 | */ |
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27 | final private JFCMonitorOutputWriter outputWriter; |
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28 | |
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29 | /** |
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30 | * <p> |
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31 | * Constructor. Creates a new JFCNameChangeListener with a given |
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32 | * {@link JFCMonitorOutputWriter}. |
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33 | * </p> |
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34 | * @param outputWriter |
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35 | */ |
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36 | public JFCNameChangeListener(JFCMonitorOutputWriter outputWriter){ |
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37 | this.outputWriter = outputWriter; |
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38 | } |
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39 | |
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40 | @Override |
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41 | public void propertyChange(PropertyChangeEvent evt) { |
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42 | String propertyName = evt.getPropertyName(); |
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43 | Component component = null; |
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44 | |
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45 | if (propertyName.equals("AccessibleName")){ |
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46 | AccessibleContext context = (AccessibleContext) evt.getSource(); |
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47 | component = (Component) context.getAccessibleParent(); |
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48 | } |
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49 | |
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50 | if (propertyName.equals("name")){ |
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51 | component = (Component) evt.getSource(); |
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52 | } |
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53 | |
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54 | if (propertyName.equals("")){ |
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55 | |
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56 | } |
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57 | |
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58 | if (component != null){ |
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59 | if (!JFCComponent.isKnown(component)){ |
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60 | System.err.println("Referenced component is not known"); |
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61 | throw new AssertionError("Referenced component is not known."); |
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62 | } |
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63 | StringBuilder builder = new StringBuilder(); |
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64 | builder.append("<componentNameChange hash=\""); |
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65 | builder.append(Integer.toHexString(component.hashCode())); |
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66 | builder.append("\" newName=\"" + evt.getNewValue()); |
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67 | builder.append("\" source=\"" + propertyName); |
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68 | builder.append("\" />" + StringTools.ENDLINE); |
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69 | outputWriter.write(builder.toString()); |
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70 | } |
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71 | } |
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72 | |
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73 | } |
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