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.util;
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16 |
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17 | import java.util.List;
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18 |
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19 | import com.google.common.base.CharMatcher;
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20 | import com.google.common.base.Predicate;
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21 | import com.google.common.base.Splitter;
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22 | import com.google.common.collect.HashMultiset;
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23 | import com.google.common.collect.Iterables;
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24 | import com.google.common.collect.Lists;
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25 | import com.google.common.collect.Multiset;
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26 |
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27 | import de.ugoe.cs.autoquest.eventcore.gui.TextInput;
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28 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTask;
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29 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
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30 |
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31 | /**
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32 | * <p>
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33 | * TODO comment
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34 | * </p>
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35 | *
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36 | * @author Alexander Deicke
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37 | */
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38 | public class TextInputUtil {
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39 |
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40 | private TextInputUtil() {
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41 | // util class
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42 | }
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43 |
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44 | public static Multiset<String> aggregateEnteredTextFromTextInputs(List<ITask> tasksWithTextInputEvents)
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45 | {
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46 | List<Iterable<String>> allTextInputs = Lists.newArrayList();
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47 | for (ITask taskWithTextInput : tasksWithTextInputEvents) {
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48 | TextInput textInput = (TextInput) ((IEventTask) taskWithTextInput).getEventType();
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49 | allTextInputs.add(splitTextIntoWordsAndSigns(textInput.getEnteredText()));
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50 | }
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51 | return HashMultiset.create(Iterables.concat(allTextInputs));
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52 | }
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53 |
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54 | public static Iterable<String> splitTextIntoWordsAndSigns(String enteredText) {
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55 | CharMatcher onlyWords =
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56 | CharMatcher.WHITESPACE.or(CharMatcher
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57 | .forPredicate(characterIsJavaIdentifierPartPredicate()));
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58 | CharMatcher onlySigns =
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59 | CharMatcher.WHITESPACE.or(CharMatcher
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60 | .forPredicate(characterIsJavaIdentifierPartPredicate()).negate());
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61 | Iterable<String> words =
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62 | Splitter.on(onlyWords).omitEmptyStrings().trimResults().split(enteredText);
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63 | Iterable<String> signs =
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64 | Splitter.on(onlySigns).omitEmptyStrings().trimResults().split(enteredText);
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65 | return Iterables.concat(words, signs);
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66 | }
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67 |
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68 | public static Predicate<Character> characterIsJavaIdentifierPartPredicate() {
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69 | return new Predicate<Character>() {
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70 |
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71 | @Override
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72 | public boolean apply(Character character) {
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73 | return !Character.isJavaIdentifierPart(character);
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74 | }
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75 |
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76 | };
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77 | }
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78 |
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79 | public static Predicate<Character> characterIsLetterOrDigitPredicate() {
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80 | return new Predicate<Character>() {
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81 |
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82 | @Override
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83 | public boolean apply(Character character) {
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84 | return !Character.isLetterOrDigit(character);
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85 | }
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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 | }
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