1
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define([
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2
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"dojo/_base/array",
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3
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"dojo/_base/connect",
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4
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"dojo/_base/lang",
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5
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"dojo/_base/declare",
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6
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"dojo/on",
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7
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"dijit/Tree",
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8
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"dijit/form/CheckBox",
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9
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"fileTree/MixedCheckBox"],
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10
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function(array, connect, lang, declare, on, Tree, CheckBox, MixedCheckBox){
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11
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var _TreeNode = declare("fileTree._TreeNode", dijit._TreeNode, {
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13
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_checkbox: null,
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15
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_createCheckbox: function() {
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this._checkbox = new MixedCheckBox();
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this._checkbox.placeAt(this.expandoNode, "after");
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this._mixed = false;
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on(this._checkbox, "change", lang.hitch(this, this._onChange));
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21
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// check lazy-loaded children of checked nodes
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connect.connect(this, "setChildItems", this, this._updateChildren);
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},
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postCreate: function() {
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this._createCheckbox();
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this.inherited(arguments);
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},
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_onChange: function(value){
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this._checkbox.value = value;
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value ? this.tree.onNodeChecked(this.item, this) : this.tree.onNodeUnchecked(this.item, this);
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34
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this._updateParents();
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this._updateChildren();
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},
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37
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_updateChildren: function() {
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39
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// summary:
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// Updates all children to the same checked value as this node.
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array.forEach(this.getChildren(), dojo.hitch(this, function(child, idx){
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child._checkbox.set("value", this._checkbox.get("value"));
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child._updateChildren();
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44
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}));
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},
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46
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47
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_updateParents: function(){
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48
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// summary:
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49
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// Updates the parents. Parents are checked if all children are
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50
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// checked otherwise unchecked.
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51
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var parent = this.getParent();
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52
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// in dojo 1.7, getParent just walks up the tree.
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54
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// therefore check if parent is a tree node and not
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55
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// just the tree isself.
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if(parent && parent.isTreeNode){
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57
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var hasChecked = false;
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58
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var hasUnchecked = false;
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59
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var hasMixed = false;
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60
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61
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array.forEach(parent.getChildren(), function(child, idx){
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62
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switch(child.getState()){
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63
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case "mixed":
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64
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hasMixed = true;
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break;
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case "checked":
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hasChecked = true;
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break;
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69
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case "unchecked":
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70
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hasUnchecked = true;
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break;
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}
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if(hasMixed || (hasChecked && hasUnchecked)){
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74
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return false; // skip checking the rest
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75
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}
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});
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77
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parent._mixed = hasMixed || (hasChecked && hasUnchecked);
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parent._checkbox.state = parent._mixed ? "Mixed" : null;
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80
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// using _set to bypass _onChange
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parent._checkbox._set("checked", parent._mixed ? false : this._checkbox.get("checked"));
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parent._checkbox._setStateClass();
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parent._updateParents();
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85
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}
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86
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},
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87
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|
88
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getState: function(){
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89
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// summary:
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90
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// Get the current state of this node
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91
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// returns:
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92
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// The state, checked, unchecked, or mixed.
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93
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if(this._mixed){
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94
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return 'mixed';
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95
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}
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else{
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97
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return this._checkbox.checked ? 'checked' : 'unchecked';
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98
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}
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99
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}
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100
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});
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101
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|
102
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return declare("fileTree.Tree", Tree, {
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103
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104
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_createTreeNode: function( args ) {
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105
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return new _TreeNode(args);
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106
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},
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107
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|
108
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getChecked: function(){
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109
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|
110
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function _getChecked(/*fileTree._TreeNode*/node, /*Array*/ret){
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111
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var state = node.getState();
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112
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|
113
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if(state === 'mixed'){
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114
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var childrenLen = node.item.children.length;
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115
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for(var i = 0; i < childrenLen; i++){
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116
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117
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var child = node.item.children[i];
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118
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var nodes = tree._itemNodesMap[tree.model.getIdentity(child)];
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119
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var nodesLen = nodes.length;
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120
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for(var j = 0; j < nodesLen; j++){
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121
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_getChecked(nodes[j], ret);
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122
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}
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123
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}
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124
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}
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125
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else if(state === 'checked'){
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126
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ret.push(tree.model.getIdentity(node.item));
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127
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}
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128
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else{}
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129
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}
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130
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131
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var checked = [];
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132
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var tree = this;
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133
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_getChecked(tree.rootNode, checked);
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134
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return checked;
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135
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},
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136
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137
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onNodeChecked: function(/*dojo.data.Item*/ storeItem, /*treeNode*/ nodeWidget){
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138
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},
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139
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|
140
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onNodeUnchecked: function(/*dojo.data.Item*/ storeItem, /* treeNode */ nodeWidget){
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141
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}
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142
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});
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143
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|
144
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});
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145
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