Mercurial > cgi-bin > hgweb.cgi > ClipMan

annotate src/name/blackcap/clipman/SearchDialog.kt @ 54:a9d5c94a177c

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Add README file.
author David Barts <n5jrn@me.com>
date Tue, 13 Apr 2021 10:33:33 -0700
parents 19d9da731c43
children
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1 /*
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2 * The dialog that controls a search.
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3 */
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4 package name.blackcap.clipman
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5
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6 import java.awt.Color
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7 import java.awt.Toolkit
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8 import java.awt.event.ActionEvent
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9 import java.awt.event.ActionListener
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10 import javax.swing.*
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11 import javax.swing.event.DocumentEvent
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12 import javax.swing.event.DocumentListener
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13
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14 class SearchDialog: JDialog(Application.frame), ActionListener, DocumentListener {
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15 /* the search term */
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16 private val _searchFor = JTextField(25).also {
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17 it.border = BorderFactory.createLineBorder(Color.GRAY, 1)
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18 it.horizontalAlignment = JTextField.LEFT
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19 it.alignmentX = JTextField.LEFT_ALIGNMENT
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20 it.text = ""
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21 it.document.addDocumentListener(this)
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22 }
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23 val searchFor: String
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24 get() {
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25 return _searchFor.text
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26 }
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27
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28 /* whether or not we should ignore case */
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29 private val _ignoreCase = JCheckBox("Ignore case", true)
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30 val ignoreCase: Boolean
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31 get() {
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32 return _ignoreCase.isSelected()
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33 }
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34
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35 /* whether or not searches should wrap around */
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36 private val _autoWrap = JCheckBox("Auto wrap", false)
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37 val autoWrap: Boolean
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38 get() {
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39 return _autoWrap.isSelected()
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40 }
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41
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42 /* which direction to search */
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43 private val _forwards = JRadioButton("Forward", true)
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44 private val _backwards = JRadioButton("Backward", false)
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45 private val _direction = ButtonGroup().apply {
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46 add(_forwards)
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47 add(_backwards)
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48 }
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49 val direction: PasteboardQueue.Direction
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50 get() {
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51 if (_forwards.isSelected()) {
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52 return PasteboardQueue.Direction.FORWARDS
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53 }
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54 if (_backwards.isSelected()) {
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55 return PasteboardQueue.Direction.BACKWARDS
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56 }
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57 throw RuntimeException("impossible button state!")
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58 }
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60 /* standard spacing between elements (10 pixels ≅ 1/7") and half that */
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61 private val BW = 5
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62 private val BW2 = 10
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63
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64 /* where to begin searching from. unlike the other properties, this
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65 one is read/write. null means to start from the beginning on
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66 forward searches, and from the end on backward searches (i.e.
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67 search everything) */
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68 var origin: PasteboardQueue.Offset? = null
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69
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70 private val _find = JButton("Find").also {
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71 it.actionCommand = "Find"
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72 it.addActionListener(this)
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73 }
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74
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75 private val _cancel = JButton("Cancel").also {
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76 it.actionCommand = "Cancel"
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77 it.addActionListener(this)
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78 }
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79
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80 /* initializer */
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81 init {
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82 title = "Find"
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83 contentPane.apply {
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84 add(Box(BoxLayout.Y_AXIS).apply {
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85 add(Box(BoxLayout.Y_AXIS).apply {
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86 add(JLabel("Search for:").apply {
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87 horizontalAlignment = JLabel.LEFT
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88 alignmentX = JLabel.LEFT_ALIGNMENT
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89 })
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90 add(_searchFor)
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91 alignmentX = Box.CENTER_ALIGNMENT
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92 border = BorderFactory.createEmptyBorder(BW2, BW2, BW, BW2)
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93 })
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94 add(Box(BoxLayout.X_AXIS).apply {
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95 add(Box.createGlue())
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96 add(Box(BoxLayout.Y_AXIS).apply {
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97 add(JLabel("Settings:").apply {
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98 horizontalAlignment = JLabel.CENTER
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99 alignmentX = JLabel.LEFT_ALIGNMENT
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100 })
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101 add(_ignoreCase)
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102 add(_autoWrap)
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103 })
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104 add(Box.createGlue())
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105 add(Box(BoxLayout.Y_AXIS).apply {
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106 add(JLabel("Direction:").apply {
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107 horizontalAlignment = JLabel.CENTER
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108 alignmentX = JLabel.LEFT_ALIGNMENT
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109 })
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110 add(_forwards)
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111 add(_backwards)
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112 })
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113 add(Box.createGlue())
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114 alignmentX = Box.CENTER_ALIGNMENT
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115 border = BorderFactory.createEmptyBorder(BW, BW2, BW, BW2)
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116 })
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117 add(Box(BoxLayout.X_AXIS).apply {
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118 add(Box.createGlue())
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119 add(_cancel)
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120 add(Box.createGlue())
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121 add(_find)
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122 add(Box.createGlue())
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123 border = BorderFactory.createEmptyBorder(BW, BW2, BW2, BW2)
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124 })
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125 })
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126 }
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127 rootPane.setDefaultButton(_find)
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128 pack()
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129 setResizable(false)
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130 }
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131
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132 override fun actionPerformed(e: ActionEvent) {
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133 when (e.actionCommand) {
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134 "Find" -> {
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135 setVisible(false)
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136 find()
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137 }
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138 "Cancel" -> setVisible(false)
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139 }
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140 }
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141
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142 override fun setVisible(visible: Boolean) {
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143 if (visible) {
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144 _searchFor.run {
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145 requestFocusInWindow()
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146 selectAll()
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147 }
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148 }
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149 super.setVisible(visible)
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150 }
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151
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152 fun find(): Unit {
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153 if (searchFor.isEmpty()) {
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154 Toolkit.getDefaultToolkit().beep()
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155 origin = null
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156 return
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157 }
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158 fun doFind(o: PasteboardQueue.Offset?) = Application.queue.find(searchFor,
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159 direction = direction, foldCase = ignoreCase, origin = o)
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160 var result = doFind(origin)
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161 if (result == null && origin != null && autoWrap) {
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162 result = doFind(null)
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163 }
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164 if (result == null) {
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165 Toolkit.getDefaultToolkit().beep()
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166 origin = null
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167 } else {
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168 origin = when(direction) {
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169 PasteboardQueue.Direction.FORWARDS ->
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170 PasteboardQueue.Offset(result.inQueue, result.inItem + 1)
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171 PasteboardQueue.Direction.BACKWARDS ->
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172 if (result.inItem == 0) {
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173 if (result.inQueue == 0) null else PasteboardQueue.Offset(result.inQueue - 1, -1)
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174 } else {
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175 PasteboardQueue.Offset(result.inQueue, result.inItem - 1)
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176 }
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177 }
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178 }
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179 }
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180
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181 /* changing the search string resets the search origin */
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182 override fun changedUpdate(e: DocumentEvent) {
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183 if (e.document === _searchFor.document) {
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184 origin = null
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185 }
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186 }
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187 override fun insertUpdate(e: DocumentEvent) = changedUpdate(e)
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188 override fun removeUpdate(e: DocumentEvent) = changedUpdate(e)
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189 }