1 | package de.ugoe.cs.autoquest.usability.tasktree.filter;
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2 |
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3 | import com.google.common.base.Function;
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4 | import com.google.common.base.Predicate;
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5 | import com.google.common.base.Predicates;
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6 |
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7 | import de.ugoe.cs.autoquest.eventcore.IEventTarget;
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8 | import de.ugoe.cs.autoquest.eventcore.guimodel.ITextArea;
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9 | import de.ugoe.cs.autoquest.eventcore.guimodel.ITextField;
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10 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTask;
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11 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode;
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12 |
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13 | public enum EventTargetFilter implements TaskTreeNodeFilter<IEventTarget> {
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14 |
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15 | TEXT_FIELD(ITextField.class),
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16 |
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17 | TEXT_AREA(ITextArea.class);
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18 |
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19 | private Class<? extends IEventTarget> eventTargetClazz;
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20 |
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21 | private EventTargetFilter(Class<? extends IEventTarget> eventTargetClazz) {
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22 | this.eventTargetClazz = eventTargetClazz;
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23 | }
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24 |
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25 | @SuppressWarnings("unchecked")
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26 | @Override
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27 | public Class<IEventTarget> clazz() {
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28 | return (Class<IEventTarget>) eventTargetClazz;
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29 | }
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30 |
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31 | @SuppressWarnings("rawtypes")
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32 | @Override
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33 | public Predicate filterPredicate() {
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34 | Predicate<Object> instanceOfIEventTaskPredicate = Predicates.instanceOf(IEventTask.class);
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35 | Predicate<ITaskTreeNode> nodeHoldsInstanceOfFilterArgument =
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36 | Predicates.compose(Predicates.instanceOf(eventTargetClazz), nodeExtractionFunction());
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37 | return Predicates.and(instanceOfIEventTaskPredicate, nodeHoldsInstanceOfFilterArgument);
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38 | }
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39 |
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40 | private Function<ITaskTreeNode, IEventTarget> nodeExtractionFunction() {
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41 | return new Function<ITaskTreeNode, IEventTarget>() {
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42 |
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43 | @Override
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44 | public IEventTarget apply(ITaskTreeNode treeNode) {
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45 | return ((IEventTask) treeNode).getEventTarget();
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46 | }
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47 | };
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48 | }
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49 |
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50 | }
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