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; |
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16 | |
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17 | import java.util.ArrayList; |
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18 | import java.util.List; |
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19 | import java.util.logging.Level; |
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20 | |
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21 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IMarkingTemporalRelationship; |
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22 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IStructuringTemporalRelationship; |
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23 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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24 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel; |
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25 | import de.ugoe.cs.util.console.Console; |
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26 | |
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27 | /** |
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28 | * TODO comment |
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29 | * |
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30 | * @version $Revision: $ $Date: 16.07.2012$ |
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31 | * @author 2012, last modified by $Author: pharms$ |
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32 | */ |
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33 | public class UsabilityEvaluationManager { |
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34 | |
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35 | /** */ |
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36 | private List<UsabilityEvaluationRule> rules = new ArrayList<UsabilityEvaluationRule>(); |
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37 | |
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38 | /** |
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39 | * |
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40 | */ |
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41 | public UsabilityEvaluationManager() { |
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42 | super(); |
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43 | init(); |
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44 | } |
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45 | |
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46 | /** |
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47 | * |
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48 | */ |
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49 | private void init() { |
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50 | //rules.add(new TextInputStatisticsRule()); |
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51 | rules.add(new MissingFeedbackRule()); |
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52 | rules.add(new EventCoverageRatioRule()); |
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53 | rules.add(new RequiredInefficientActionsRule()); |
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54 | //rules.add(new TaskCooccurrenceRule()); |
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55 | rules.add(new TargetDistanceRule()); |
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56 | //rules.add(new UnusedGUIElementsRule()); |
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57 | //rules.add(new TaskTreeTestRule()); |
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58 | } |
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59 | |
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60 | /** |
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61 | * |
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62 | */ |
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63 | public UsabilityEvaluationResult evaluateUsability(ITaskModel taskModel) { |
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64 | Console.traceln(Level.INFO, "evaluating usability of task model " + taskModel); |
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65 | |
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66 | List<UsabilityEvaluationResult> interimResults = new ArrayList<UsabilityEvaluationResult>(); |
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67 | |
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68 | for (UsabilityEvaluationRule rule : rules) { |
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69 | Console.traceln(Level.INFO, "applying rule " + rule.getClass().getSimpleName()); |
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70 | UsabilityEvaluationResult result = rule.evaluate(taskModel); |
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71 | interimResults.add(result); |
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72 | Console.traceln(Level.INFO, "the rule found " + result.getAllDefects().size() + |
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73 | " usability defects, of which " + result.getSevereDefects().size() + |
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74 | " are severe."); |
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75 | |
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76 | if ((rule instanceof EventCoverageRatioRule) || |
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77 | (rule instanceof RequiredInefficientActionsRule) || |
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78 | (rule instanceof TargetDistanceRule)) |
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79 | { |
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80 | ITask[] referredTasks = new ITask[result.getAllDefects().size()]; |
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81 | |
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82 | for (int i = 0; i < result.getAllDefects().size(); i++) { |
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83 | referredTasks[i] = |
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84 | (ITask) result.getAllDefects().get(i).getDescriptionFragments().get(1); |
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85 | } |
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86 | |
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87 | int counter = 0; |
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88 | for (int i = 0; i < referredTasks.length; i++) { |
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89 | for (int j = 0; j < referredTasks.length; j++) { |
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90 | if (isChildOf(referredTasks[i], referredTasks[j])) { |
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91 | counter++; |
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92 | break; |
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93 | } |
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94 | } |
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95 | } |
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96 | |
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97 | if (counter > 0) { |
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98 | Console.traceln(Level.INFO, counter + " of the findings are duplicates in " + |
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99 | "that they refer to tasks whose parent tasks are also " + |
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100 | "referred by the findings"); |
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101 | } |
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102 | } |
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103 | } |
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104 | |
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105 | UsabilityEvaluationResult result = new UsabilityEvaluationResult(taskModel, interimResults); |
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106 | Console.println("the evaluation result contains " + result.getAllDefects().size() + |
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107 | " defects, of which " + result.getSevereDefects().size() + " are severe."); |
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108 | |
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109 | return result; |
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110 | } |
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111 | |
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112 | /** |
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113 | * <p> |
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114 | * TODO: comment |
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115 | * </p> |
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116 | * |
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117 | * @param iTask |
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118 | * @param iTask2 |
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119 | * @return |
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120 | */ |
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121 | private boolean isChildOf(final ITask potChild, ITask potParent) { |
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122 | |
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123 | if (potParent instanceof IStructuringTemporalRelationship) { |
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124 | for (ITask child : ((IStructuringTemporalRelationship) potParent).getChildren()) { |
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125 | if ((child == potChild) || isChildOf(potChild, child)) { |
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126 | return true; |
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127 | } |
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128 | } |
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129 | } |
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130 | else if (potParent instanceof IMarkingTemporalRelationship) { |
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131 | ITask child = ((IMarkingTemporalRelationship) potParent).getMarkedTask(); |
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132 | if ((child == potChild) || isChildOf(potChild, child)) { |
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133 | return true; |
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134 | } |
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135 | } |
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136 | |
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137 | return false; |
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138 | } |
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139 | |
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140 | } |
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