1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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2 | //
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3 | // Licensed under the Apache License, Version 2.0 (the "License");
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4 | // you may not use this file except in compliance with the License.
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5 | // You may obtain a copy of the License at
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6 | //
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7 | // http://www.apache.org/licenses/LICENSE-2.0
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8 | //
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9 | // Unless required by applicable law or agreed to in writing, software
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10 | // distributed under the License is distributed on an "AS IS" BASIS,
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | // See the License for the specific language governing permissions and
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13 | // limitations under the License.
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14 |
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15 | package de.ugoe.cs.autoquest.usability.taskmodel.filter.types;
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16 |
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17 | import com.google.common.base.Function;
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18 | import com.google.common.base.Predicate;
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19 | import com.google.common.base.Predicates;
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20 |
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21 | import de.ugoe.cs.autoquest.eventcore.IEventType;
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22 | import de.ugoe.cs.autoquest.eventcore.gui.IInteraction;
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23 | import de.ugoe.cs.autoquest.eventcore.gui.KeyPressed;
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24 | import de.ugoe.cs.autoquest.eventcore.gui.MouseButtonInteraction;
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25 | import de.ugoe.cs.autoquest.eventcore.gui.MouseClick;
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26 | import de.ugoe.cs.autoquest.eventcore.gui.MouseInteraction;
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27 | import de.ugoe.cs.autoquest.eventcore.gui.Scroll;
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28 | import de.ugoe.cs.autoquest.eventcore.gui.TextInput;
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29 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTask;
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30 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTaskInstance;
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31 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
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32 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance;
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33 |
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34 | /**
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35 | * <p>
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36 | * Event type filter for {@link EventTask}s.
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37 | * </p>
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38 | *
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39 | * @author Alexander Deicke
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40 | */
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41 | public enum EventTypeFilter implements TaskFilter<IEventType> {
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42 |
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43 | KEY_PRESSED(KeyPressed.class),
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44 |
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45 | MOUSE_BUTTON_INTERACTION(MouseButtonInteraction.class),
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46 |
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47 | MOUSE_CLICK(MouseClick.class),
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48 |
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49 | MOUSE_INTERACTION(MouseInteraction.class),
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50 |
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51 | TEXT_INPUT(TextInput.class),
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52 |
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53 | SCROLL(Scroll.class),
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54 |
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55 | USER_INTERACTION(IInteraction.class);
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56 |
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57 | private Class<? extends IEventType> eventTypeClazz;
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58 |
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59 | private EventTypeFilter(Class<? extends IEventType> eventTypeClazz) {
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60 | this.eventTypeClazz = eventTypeClazz;
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61 | }
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62 |
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63 | /*
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64 | * (non-Javadoc)
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65 | *
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66 | * @see de.ugoe.cs.autoquest.usability.tasktree.filters.TaskFilter#getId()
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67 | */
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68 | @SuppressWarnings("unchecked")
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69 | @Override
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70 | public Class<IEventType> clazz() {
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71 | return (Class<IEventType>) eventTypeClazz;
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72 | }
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73 |
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74 | /*
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75 | * (non-Javadoc)
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76 | *
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77 | * @see de.ugoe.cs.autoquest.usability.tasktree.filters.TaskFilter#getId()
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78 | */
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79 | @SuppressWarnings("rawtypes")
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80 | @Override
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81 | public Predicate filterPredicate() {
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82 | Predicate<Object> instanceOfIEventTaskPredicate = Predicates.instanceOf(IEventTask.class);
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83 | Predicate<ITask> taskHoldsInstanceOfFilterArgument =
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84 | Predicates.compose(Predicates.instanceOf(eventTypeClazz), taskExtractionFunction());
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85 | return Predicates.and(instanceOfIEventTaskPredicate, taskHoldsInstanceOfFilterArgument);
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86 | }
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87 |
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88 | /**
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89 | *
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90 | * <p>
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91 | * Gets the event type of a {@link ITask}.
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92 | * </p>
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93 | *
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94 | * @return event type
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95 | */
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96 | private Function<ITask, IEventType> taskExtractionFunction() {
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97 | return new Function<ITask, IEventType>() {
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98 |
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99 | @Override
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100 | public IEventType apply(ITask task) {
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101 | // XXX: Use the type of the first instance provided
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102 | ITaskInstance firstInstance = task.getInstances().iterator().next();
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103 | return ((IEventTaskInstance) firstInstance).getEvent().getType();
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104 | }
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105 | };
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106 | }
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107 | }
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