[1326] | 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.plugin.usability2.rules.metrics;
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| 16 |
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| 17 | import java.util.Collection;
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| 18 | import java.util.HashMap;
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| 19 | import java.util.Map;
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| 20 | import java.util.Map.Entry;
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| 21 |
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| 22 | import com.google.common.base.Optional;
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| 23 |
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| 24 | import de.ugoe.cs.autoquest.eventcore.Event;
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| 25 | import de.ugoe.cs.autoquest.eventcore.IEventTarget;
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| 26 | import de.ugoe.cs.autoquest.eventcore.IEventType;
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| 27 | import de.ugoe.cs.autoquest.eventcore.gui.TextInput;
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| 28 | import de.ugoe.cs.autoquest.eventcore.gui.ValueSelection;
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| 29 | import de.ugoe.cs.autoquest.usability.EvaluationMethodCaller;
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| 30 | import de.ugoe.cs.autoquest.usability.result.UsabilityProblemDescription;
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| 31 | import de.ugoe.cs.autoquest.usability.result.UsabilityProblemDescriptionResolver;
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| 32 | import de.ugoe.cs.autoquest.usability.rules.UsabilityMetric;
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| 33 | import de.ugoe.cs.autoquest.usability.rules.UsabilityRule;
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| 34 | import de.ugoe.cs.autoquest.plugin.usability2.rules.metrics.visitor.AbstractMetricVisitor;
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| 35 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTaskInstance;
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| 36 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance;
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| 37 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel;
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| 38 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession;
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| 39 |
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| 40 | /**
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| 41 | * <p>
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| 42 | * Metric, which measures directed scrolling compared to back-and-forth type of scrolling. This is
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| 43 | * done by calculating the absolute distance scrolled compared to the relative >>>
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| 44 | * </p>
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| 45 | *
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| 46 | * @author Konni Hartmann
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| 47 | */
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| 48 | public class SameTargetEditingMetric extends UsabilityRule implements UsabilityMetric {
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| 49 |
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| 50 | /**
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| 51 | * <p>
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| 52 | * Constructor. Creates a new {@code TextInputRatioMetric} for a given task model.
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| 53 | * </p>
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| 54 | *
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| 55 | * @param taskTree
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| 56 | */
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| 57 | public SameTargetEditingMetric(ITaskModel taskModel) {
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| 58 | super(taskModel);
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| 59 | this.name = "SameTargetEditingMetric";
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| 60 | this.defect =
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| 61 | new UsabilityProblemDescriptionResolver().descriptionFor(this.getClass()
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| 62 | .getSimpleName());
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| 63 | }
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| 64 |
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| 65 |
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| 66 | /*
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| 67 | * (non-Javadoc)
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| 68 | *
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| 69 | * @see de.ugoe.cs.autoquest.usability.rules.UsabilityRule#check()
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| 70 | */
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| 71 | @Override
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| 72 | public Optional<UsabilityProblemDescription> calculate() {
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| 73 | Collection<IUserSession> ses = taskModel.getUserSessions();
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| 74 | float evaluationMetric =
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| 75 | calculateEvaluationMetric(ses);
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| 76 | return this.defect.isPresent(evaluationMetric);
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| 77 | }
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| 78 |
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| 79 | class Data {
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| 80 | Map<IEventTarget, Integer> map = new HashMap<IEventTarget, Integer>();
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| 81 |
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| 82 | void updateTarget(IEventTarget target, IEventType type) {
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| 83 | Integer data = map.get(target);
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| 84 | if(data == null) {
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| 85 | data = 0;
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| 86 | }
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| 87 | data++;
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| 88 | map.put(target, data);
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| 89 | }
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| 90 | }
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| 91 |
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| 92 | private float calculateEvaluationMetric(Collection<IUserSession> tasks) {
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| 93 | int maxEditsPerTarget = 0;
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| 94 | IEventTarget maxTarget = null;
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| 95 |
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| 96 | for (IUserSession s : tasks) {
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| 97 | Collection<ITaskInstance> instances = s.getExecutedTasks();
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| 98 |
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| 99 | final Data data = new Data();
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| 100 |
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| 101 | for (ITaskInstance iTaskInstance : instances) {
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| 102 |
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| 103 | AbstractMetricVisitor visitor = new AbstractMetricVisitor(){
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| 104 | @Override
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| 105 | public void visit(IEventTaskInstance instance) {
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| 106 | Event event = instance.getEvent();
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| 107 | IEventType type = event.getType();
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| 108 | if (type instanceof TextInput ||
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| 109 | type instanceof ValueSelection) {
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| 110 | data.updateTarget(event.getTarget(), type);
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| 111 | }
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| 112 | }
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| 113 | };
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| 114 |
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| 115 | visitor.visit(iTaskInstance);
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| 116 | }
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| 117 |
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| 118 | for (Entry<IEventTarget, Integer> entry : data.map.entrySet()) {
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| 119 | if (entry.getValue() > maxEditsPerTarget) {
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| 120 | maxTarget = entry.getKey();
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| 121 | maxEditsPerTarget = entry.getValue();
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| 122 | }
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| 123 | }
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| 124 | }
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| 125 |
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| 126 | if (maxTarget != null)
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| 127 | System.out.printf("(STE) Highest ranking target: %s (%d) \n", maxTarget.getStringIdentifier(), maxEditsPerTarget);
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| 128 | else
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| 129 | System.out.println("(STE) No target found");
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| 130 |
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| 131 | return maxEditsPerTarget;
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| 132 | }
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| 133 |
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| 134 | /*
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| 135 | * (non-Javadoc)
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| 136 | *
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| 137 | * @see
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| 138 | * de.ugoe.cs.autoquest.usability.rules.UsabilityRule#callEvaluationMetho(de.ugoe.cs.autoquest
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| 139 | * .usability.EvaluationMethodCaller)
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| 140 | */
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| 141 | @Override
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| 142 | public Optional<UsabilityProblemDescription> callEvaluationMethod(EvaluationMethodCaller evaluationMethodCaller)
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| 143 | {
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| 144 | return evaluationMethodCaller.check(this);
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| 145 | }
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| 146 | }
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