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1 ; Copyright (c) Rich Hickey. All rights reserved.
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2 ; The use and distribution terms for this software are covered by the
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3 ; Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
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4 ; which can be found in the file epl-v10.html at the root of this distribution.
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5 ; By using this software in any fashion, you are agreeing to be bound by
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6 ; the terms of this license.
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7 ; You must not remove this notice, or any other, from this software.
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8
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9 (ns ^{:doc "Graphical object inspector for Clojure data structures."
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10 :author "Rich Hickey"}
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11 clojure.inspector
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12 (:import
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13 (java.awt BorderLayout)
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14 (java.awt.event ActionEvent ActionListener)
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15 (javax.swing.tree TreeModel)
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16 (javax.swing.table TableModel AbstractTableModel)
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17 (javax.swing JPanel JTree JTable JScrollPane JFrame JToolBar JButton SwingUtilities)))
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18
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19 (defn atom? [x]
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20 (not (coll? x)))
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21
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22 (defn collection-tag [x]
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23 (cond
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24 (instance? java.util.Map$Entry x) :entry
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25 (instance? java.util.Map x) :map
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26 (sequential? x) :seq
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27 :else :atom))
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28
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29 (defmulti is-leaf collection-tag)
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30 (defmulti get-child (fn [parent index] (collection-tag parent)))
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31 (defmulti get-child-count collection-tag)
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32
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33 (defmethod is-leaf :default [node]
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34 (atom? node))
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35 (defmethod get-child :default [parent index]
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36 (nth parent index))
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37 (defmethod get-child-count :default [parent]
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38 (count parent))
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39
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40 (defmethod is-leaf :entry [e]
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41 (is-leaf (val e)))
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42 (defmethod get-child :entry [e index]
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43 (get-child (val e) index))
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44 (defmethod get-child-count :entry [e]
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45 (count (val e)))
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46
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47 (defmethod is-leaf :map [m]
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48 false)
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49 (defmethod get-child :map [m index]
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50 (nth (seq m) index))
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51
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52 (defn tree-model [data]
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53 (proxy [TreeModel] []
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54 (getRoot [] data)
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55 (addTreeModelListener [treeModelListener])
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56 (getChild [parent index]
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57 (get-child parent index))
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58 (getChildCount [parent]
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59 (get-child-count parent))
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60 (isLeaf [node]
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61 (is-leaf node))
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62 (valueForPathChanged [path newValue])
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63 (getIndexOfChild [parent child]
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64 -1)
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65 (removeTreeModelListener [treeModelListener])))
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66
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67
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68 (defn old-table-model [data]
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69 (let [row1 (first data)
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70 colcnt (count row1)
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71 cnt (count data)
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72 vals (if (map? row1) vals identity)]
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73 (proxy [TableModel] []
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74 (addTableModelListener [tableModelListener])
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75 (getColumnClass [columnIndex] Object)
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76 (getColumnCount [] colcnt)
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77 (getColumnName [columnIndex]
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78 (if (map? row1)
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79 (name (nth (keys row1) columnIndex))
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80 (str columnIndex)))
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81 (getRowCount [] cnt)
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82 (getValueAt [rowIndex columnIndex]
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83 (nth (vals (nth data rowIndex)) columnIndex))
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84 (isCellEditable [rowIndex columnIndex] false)
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85 (removeTableModelListener [tableModelListener]))))
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86
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87 (defn inspect-tree
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88 "creates a graphical (Swing) inspector on the supplied hierarchical data"
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89 {:added "1.0"}
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90 [data]
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91 (doto (JFrame. "Clojure Inspector")
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92 (.add (JScrollPane. (JTree. (tree-model data))))
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93 (.setSize 400 600)
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94 (.setVisible true)))
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95
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96 (defn inspect-table
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97 "creates a graphical (Swing) inspector on the supplied regular
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98 data, which must be a sequential data structure of data structures
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99 of equal length"
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100 {:added "1.0"}
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101 [data]
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102 (doto (JFrame. "Clojure Inspector")
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103 (.add (JScrollPane. (JTable. (old-table-model data))))
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104 (.setSize 400 600)
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105 (.setVisible true)))
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106
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107
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108 (defmulti list-provider class)
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109
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110 (defmethod list-provider :default [x]
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111 {:nrows 1 :get-value (fn [i] x) :get-label (fn [i] (.getName (class x)))})
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112
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113 (defmethod list-provider java.util.List [c]
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114 (let [v (if (vector? c) c (vec c))]
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115 {:nrows (count v)
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116 :get-value (fn [i] (v i))
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117 :get-label (fn [i] i)}))
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118
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119 (defmethod list-provider java.util.Map [c]
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120 (let [v (vec (sort (map (fn [[k v]] (vector k v)) c)))]
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121 {:nrows (count v)
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122 :get-value (fn [i] ((v i) 1))
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123 :get-label (fn [i] ((v i) 0))}))
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124
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125 (defn list-model [provider]
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126 (let [{:keys [nrows get-value get-label]} provider]
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127 (proxy [AbstractTableModel] []
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128 (getColumnCount [] 2)
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129 (getRowCount [] nrows)
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130 (getValueAt [rowIndex columnIndex]
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131 (cond
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132 (= 0 columnIndex) (get-label rowIndex)
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133 (= 1 columnIndex) (print-str (get-value rowIndex)))))))
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134
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135 (defmulti table-model class)
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136
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137 (defmethod table-model :default [x]
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138 (proxy [AbstractTableModel] []
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139 (getColumnCount [] 2)
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140 (getRowCount [] 1)
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141 (getValueAt [rowIndex columnIndex]
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142 (if (zero? columnIndex)
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143 (class x)
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144 x))))
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145
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146 ;(defn make-inspector [x]
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147 ; (agent {:frame frame :data x :parent nil :index 0}))
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148
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149
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150 (defn inspect
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151 "creates a graphical (Swing) inspector on the supplied object"
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152 {:added "1.0"}
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153 [x]
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154 (doto (JFrame. "Clojure Inspector")
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155 (.add
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156 (doto (JPanel. (BorderLayout.))
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157 (.add (doto (JToolBar.)
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158 (.add (JButton. "Back"))
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159 (.addSeparator)
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160 (.add (JButton. "List"))
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161 (.add (JButton. "Table"))
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162 (.add (JButton. "Bean"))
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163 (.add (JButton. "Line"))
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164 (.add (JButton. "Bar"))
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165 (.addSeparator)
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166 (.add (JButton. "Prev"))
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167 (.add (JButton. "Next")))
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168 BorderLayout/NORTH)
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169 (.add
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170 (JScrollPane.
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171 (doto (JTable. (list-model (list-provider x)))
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172 (.setAutoResizeMode JTable/AUTO_RESIZE_LAST_COLUMN)))
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173 BorderLayout/CENTER)))
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174 (.setSize 400 400)
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175 (.setVisible true)))
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176
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177
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178 (comment
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179
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180 (load-file "src/inspector.clj")
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181 (refer 'inspector)
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182 (inspect-tree {:a 1 :b 2 :c [1 2 3 {:d 4 :e 5 :f [6 7 8]}]})
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183 (inspect-table [[1 2 3][4 5 6][7 8 9][10 11 12]])
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184
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185 )
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