// Copyright 2012 Georg-August-Universität Göttingen, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package de.ugoe.cs.autoquest.usability.util;
import java.util.List;
import com.google.common.base.CharMatcher;
import com.google.common.base.Predicate;
import com.google.common.base.Splitter;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Multiset;
import de.ugoe.cs.autoquest.eventcore.gui.TextInput;
import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTask;
import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
/**
*
* TODO comment
*
*
* @author Alexander Deicke
*/
public class TextInputUtil {
private TextInputUtil() {
// util class
}
public static Multiset aggregateEnteredTextFromTextInputs(List tasksWithTextInputEvents)
{
List> allTextInputs = Lists.newArrayList();
for (ITask taskWithTextInput : tasksWithTextInputEvents) {
TextInput textInput = (TextInput) ((IEventTask) taskWithTextInput).getEventType();
allTextInputs.add(splitTextIntoWordsAndSigns(textInput.getEnteredText()));
}
return HashMultiset.create(Iterables.concat(allTextInputs));
}
public static Iterable splitTextIntoWordsAndSigns(String enteredText) {
CharMatcher onlyWords =
CharMatcher.WHITESPACE.or(CharMatcher
.forPredicate(characterIsJavaIdentifierPartPredicate()));
CharMatcher onlySigns =
CharMatcher.WHITESPACE.or(CharMatcher
.forPredicate(characterIsJavaIdentifierPartPredicate()).negate());
Iterable words =
Splitter.on(onlyWords).omitEmptyStrings().trimResults().split(enteredText);
Iterable signs =
Splitter.on(onlySigns).omitEmptyStrings().trimResults().split(enteredText);
return Iterables.concat(words, signs);
}
public static Predicate characterIsJavaIdentifierPartPredicate() {
return new Predicate() {
@Override
public boolean apply(Character character) {
return !Character.isJavaIdentifierPart(character);
}
};
}
public static Predicate characterIsLetterOrDigitPredicate() {
return new Predicate() {
@Override
public boolean apply(Character character) {
return !Character.isLetterOrDigit(character);
}
};
}
}