1 |
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2 | package de.ugoe.cs.quest.eventcore.gui;
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3 |
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4 | import java.util.Collections;
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5 | import java.util.List;
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6 |
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7 | import de.ugoe.cs.quest.eventcore.Event;
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8 |
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9 | /**
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10 | * <p>
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11 | * A text input represents a list of key events that together represent entering text into a text
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12 | * field or text area.
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13 | * </p>
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14 | *
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15 | * @version 1.0
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16 | * @author Patrick Harms, Steffen Herbold
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17 | */
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18 | public class TextInput implements IInteraction {
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19 |
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20 | /**
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21 | * <p>
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22 | * Defines how the {@link TextInput}s are evaluated as equal.
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23 | * </p>
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24 | *
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25 | * @version 1.0
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26 | * @author Steffen Herbold
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27 | */
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28 | public enum TextEquality {
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29 | /**
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30 | * <p>
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31 | * Two text inputs are equal if their {@link TextInput#textInputEvents} are equal.
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32 | * </p>
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33 | */
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34 | LEXICAL,
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35 | /**
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36 | * <p>
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37 | * Two text inputs are equal if their {@link TextInput#enteredText}s are equal.
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38 | * </p>
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39 | */
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40 | SYNTACTICAL,
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41 | /**
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42 | * <p>
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43 | * All text inputs are equal.
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44 | * </p>
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45 | */
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46 | SEMANTICAL
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47 | };
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48 |
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49 | /**
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50 | * <p>
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51 | * Id for object serialization.
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52 | * </p>
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53 | */
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54 | private static final long serialVersionUID = 1L;
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55 |
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56 | /**
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57 | * <p>
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58 | * The text resulting from the text input events.
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59 | * </p>
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60 | */
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61 | private String enteredText;
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62 |
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63 | /**
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64 | * <p>
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65 | * The text input events that caused the entering of the text.
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66 | * </p>
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67 | */
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68 | private List<Event> textInputEvents;
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69 |
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70 | /**
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71 | * <p>
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72 | * Defines how this TextInput event evaluates the equality.
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73 | * </p>
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74 | */
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75 | private final TextEquality equalityType;
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76 |
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77 | /**
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78 | * <p>
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79 | * Constructor. Creates a new {@link TextInput} with {@link TextEquality#LEXICAL} equality.
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80 | * </p>
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81 | *
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82 | * @param enteredText
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83 | * text resulting from the inputs
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84 | * @param textInputEvents
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85 | * text input events of which this input consists
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86 | */
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87 | public TextInput(String enteredText, List<Event> textInputEvents) {
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88 | this(enteredText, textInputEvents, TextEquality.LEXICAL);
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89 | }
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90 |
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91 | /**
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92 | * <p>
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93 | * Constructor. Creates a new {@link TextInput}..
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94 | * </p>
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95 | *
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96 | * @param enteredText
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97 | * text resulting from the inputs
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98 | * @param textInputEvents
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99 | * text input events of which this input consists
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100 | * @param equalityType
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101 | * defines how this event evaluates the equality (@see {@link TextEquality})
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102 | */
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103 | public TextInput(String enteredText, List<Event> textInputEvents, TextEquality equalityType) {
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104 | this.enteredText = enteredText;
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105 | this.textInputEvents = textInputEvents;
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106 | this.equalityType = equalityType;
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107 | }
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108 |
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109 | /*
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110 | * (non-Javadoc)
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111 | *
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112 | * @see de.harms.attef.userinteraction.Interaction#getName()
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113 | */
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114 | public String getName() {
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115 | return "TextInput(\"" + enteredText + "\")";
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116 | }
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117 |
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118 | /*
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119 | * (non-Javadoc)
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120 | *
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121 | * @see java.lang.Object#toString()
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122 | */
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123 | @Override
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124 | public String toString() {
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125 | return "text input \"" + enteredText + "\"";
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126 | }
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127 |
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128 | /**
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129 | * <p>
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130 | * Returns the entered text.
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131 | * </p>
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132 | *
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133 | * @return the entered text
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134 | */
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135 | public String getEnteredText() {
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136 | return enteredText;
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137 | }
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138 |
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139 | /**
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140 | * <p>
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141 | * Returns the events of which this {@link TextInput} consists. The returned list is immutable.
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142 | * </p>
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143 | *
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144 | * @return the textInputEvents
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145 | */
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146 | public List<Event> getTextInputEvents() {
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147 | return Collections.unmodifiableList(textInputEvents);
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148 | }
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149 |
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150 | /*
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151 | * (non-Javadoc)
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152 | *
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153 | * @see de.harms.attef.userinteraction.Interaction#startsLogicalSequence()
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154 | */
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155 | public boolean startsLogicalSequence() {
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156 | return false;
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157 | }
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158 |
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159 | /*
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160 | * (non-Javadoc)
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161 | *
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162 | * @see de.harms.attef.userinteraction.Interaction#finishesLogicalSequence()
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163 | */
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164 | public boolean finishesLogicalSequence() {
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165 | return false;
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166 | }
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167 |
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168 | /*
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169 | * (non-Javadoc)
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170 | *
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171 | * @see java.lang.Object#equals(java.lang.Object)
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172 | */
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173 | @Override
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174 | public boolean equals(Object obj) {
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175 | if (this == obj) {
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176 | return true;
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177 | }
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178 | else if (obj instanceof TextInput) {
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179 | switch (equalityType)
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180 | {
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181 | case LEXICAL:
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182 | return textInputEvents.equals(((TextInput) obj).textInputEvents);
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183 | case SYNTACTICAL:
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184 | return enteredText.equals(((TextInput) obj).enteredText);
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185 | case SEMANTICAL:
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186 | return true;
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187 | default:
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188 | throw new AssertionError("reached source code that should be unreachable");
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189 | }
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190 | }
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191 | return false;
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192 | }
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193 |
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194 | /*
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195 | * (non-Javadoc)
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196 | *
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197 | * @see java.lang.Object#hashCode()
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198 | */
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199 | @Override
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200 | public int hashCode() {
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201 | int hashCode = getClass().hashCode();
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202 | if (equalityType == TextEquality.LEXICAL) {
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203 | hashCode += enteredText.hashCode() + textInputEvents.size();
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204 | }
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205 | else if (equalityType == TextEquality.SYNTACTICAL) {
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206 | hashCode += enteredText.hashCode();
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207 | }
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208 | return hashCode;
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209 | }
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210 |
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211 | }
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