root / trunk / web / dojo / dojox / mdnd / adapter / DndFromDojo.js
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1 | 9 | andrej.cim | /*
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2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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4 | see: http://dojotoolkit.org/license for details
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5 | */
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6 | |||
7 | |||
8 | if(!dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]){ |
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9 | dojo._hasResource["dojox.mdnd.adapter.DndFromDojo"]=true; |
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10 | dojo.provide("dojox.mdnd.adapter.DndFromDojo");
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11 | dojo.require("dojox.mdnd.AreaManager");
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12 | dojo.require("dojo.dnd.Manager");
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13 | dojo.declare("dojox.mdnd.adapter.DndFromDojo",null,{dropIndicatorSize:{"w":0,"h":50},dropIndicatorSize:{"w":0,"h":50},_areaManager:null,_dojoManager:null,_currentArea:null,_oldArea:null,_moveHandler:null,_subscribeHandler:null,constructor:function(){ |
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14 | this._areaManager=dojox.mdnd.areaManager();
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15 | this._dojoManager=dojo.dnd.manager();
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16 | this._currentArea=null; |
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17 | this._moveHandler=null; |
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18 | this.subscribeDnd();
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19 | },subscribeDnd:function(){ |
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20 | this._subscribeHandler=[dojo.subscribe("/dnd/start",this,"onDragStart"),dojo.subscribe("/dnd/drop/before",this,"onDrop"),dojo.subscribe("/dnd/cancel",this,"onDropCancel"),dojo.subscribe("/dnd/source/over",this,"onDndSource")]; |
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21 | },unsubscribeDnd:function(){ |
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22 | dojo.forEach(this._subscribeHandler,dojo.unsubscribe);
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23 | },_getHoverArea:function(_1){ |
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24 | var x=_1.x;
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25 | var y=_1.y;
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26 | this._oldArea=this._currentArea; |
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27 | this._currentArea=null; |
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28 | var _2=this._areaManager._areaList; |
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29 | for(var i=0;i<_2.length;i++){ |
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30 | var _3=_2[i];
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31 | var _4=_3.coords.x;
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32 | var _5=_4+_3.node.offsetWidth;
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33 | var _6=_3.coords.y;
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34 | var _7=_6+_3.node.offsetHeight;
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35 | if(_4<=x&&x<=_5&&_6<=y&&y<=_7){
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36 | this._areaManager._oldIndexArea=this._areaManager._currentIndexArea; |
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37 | this._areaManager._currentIndexArea=i;
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38 | this._currentArea=_3.node;
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39 | break;
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40 | } |
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41 | } |
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42 | if(this._currentArea!=this._oldArea){ |
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43 | if(this._currentArea==null){ |
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44 | this.onDragExit();
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45 | }else{
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46 | if(this._oldArea==null){ |
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47 | this.onDragEnter();
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48 | }else{
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49 | this.onDragExit();
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50 | this.onDragEnter();
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51 | } |
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52 | } |
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53 | } |
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54 | },onDragStart:function(_8,_9,_a){ |
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55 | this._dragNode=_9[0]; |
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56 | this._copy=_a;
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57 | this._source=_8;
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58 | this._outSourceHandler=dojo.connect(this._dojoManager,"outSource",this,function(){ |
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59 | if(this._moveHandler==null){ |
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60 | this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove"); |
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61 | } |
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62 | }); |
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63 | },onMouseMove:function(e){ |
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64 | var _b={"x":e.pageX,"y":e.pageY}; |
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65 | this._getHoverArea(_b);
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66 | if(this._currentArea&&this._areaManager._accept){ |
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67 | if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){ |
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68 | this._areaManager._dropIndicator.node.style.visibility=""; |
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69 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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70 | } |
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71 | this._areaManager.placeDropIndicator(_b,this.dropIndicatorSize); |
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72 | } |
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73 | },onDragEnter:function(){ |
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74 | var _c=this._dragNode.getAttribute("dndType"); |
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75 | var _d=(_c)?_c.split(/\s*,\s*/):["text"]; |
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76 | this._areaManager._isAccepted(_d,this._areaManager._areaList[this._areaManager._currentIndexArea].accept); |
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77 | if(this._dojoManager.avatar){ |
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78 | if(this._areaManager._accept){ |
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79 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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80 | }else{
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81 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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82 | } |
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83 | } |
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84 | },onDragExit:function(){ |
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85 | this._areaManager._accept=false; |
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86 | if(this._dojoManager.avatar){ |
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87 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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88 | } |
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89 | if(this._currentArea==null){ |
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90 | this._areaManager._dropMode.refreshItems(this._areaManager._areaList[this._areaManager._oldIndexArea],this._areaManager._oldDropIndex,this.dropIndicatorSize,false); |
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91 | this._areaManager._resetAfterDrop();
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92 | }else{
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93 | this._areaManager._dropIndicator.remove();
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94 | } |
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95 | },isAccepted:function(_e,_f){ |
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96 | var _10=(_e.getAttribute("dndType"))?_e.getAttribute("dndType"):"text"; |
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97 | if(_10&&_10 in _f){ |
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98 | return true; |
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99 | }else{
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100 | return false; |
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101 | } |
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102 | },onDndSource:function(_11){ |
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103 | if(this._currentArea==null){ |
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104 | return;
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105 | } |
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106 | if(_11){
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107 | var _12=false; |
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108 | if(this._dojoManager.target==_11){ |
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109 | _12=true;
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110 | }else{
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111 | _12=this.isAccepted(this._dragNode,_11.accept); |
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112 | } |
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113 | if(_12){
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114 | dojo.disconnect(this._moveHandler);
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115 | this._currentArea=this._moveHandler=null; |
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116 | var _13=this._areaManager._dropIndicator.node; |
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117 | if(_13&&_13.parentNode!==null&&_13.parentNode.nodeType==1){ |
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118 | _13.style.visibility="hidden";
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119 | } |
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120 | }else{
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121 | this._resetAvatar();
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122 | } |
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123 | }else{
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124 | if(!this._moveHandler){ |
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125 | this._moveHandler=dojo.connect(dojo.doc,"mousemove",this,"onMouseMove"); |
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126 | } |
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127 | this._resetAvatar();
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128 | } |
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129 | },_resetAvatar:function(){ |
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130 | if(this._dojoManager.avatar){ |
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131 | if(this._areaManager._accept){ |
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132 | dojo.addClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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133 | }else{
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134 | dojo.removeClass(this._dojoManager.avatar.node,"dojoDndAvatarCanDrop"); |
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135 | } |
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136 | } |
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137 | },onDropCancel:function(){ |
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138 | if(this._currentArea==null){ |
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139 | this._areaManager._resetAfterDrop();
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140 | dojo.disconnect(this._moveHandler);
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141 | dojo.disconnect(this._outSourceHandler);
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142 | this._currentArea=this._moveHandler=this._outSourceHandler=null; |
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143 | }else{
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144 | if(this._areaManager._accept){ |
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145 | this.onDrop(this._source,[this._dragNode],this._copy,this._currentArea); |
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146 | }else{
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147 | this._currentArea=null; |
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148 | dojo.disconnect(this._outSourceHandler);
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149 | dojo.disconnect(this._moveHandler);
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150 | this._moveHandler=this._outSourceHandler=null; |
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151 | } |
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152 | } |
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153 | },onDrop:function(_14,_15,_16){ |
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154 | dojo.disconnect(this._moveHandler);
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155 | dojo.disconnect(this._outSourceHandler);
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156 | this._moveHandler=this._outSourceHandler=null; |
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157 | if(this._currentArea){ |
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158 | var _17=this._areaManager._currentDropIndex; |
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159 | dojo.publish("/dnd/drop/after",[_14,_15,_16,this._currentArea,_17]); |
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160 | this._currentArea=null; |
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161 | } |
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162 | if(this._areaManager._dropIndicator.node.style.visibility=="hidden"){ |
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163 | this._areaManager._dropIndicator.node.style.visibility=""; |
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164 | } |
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165 | this._areaManager._resetAfterDrop();
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166 | }}); |
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167 | dojox.mdnd.adapter._dndFromDojo=null;
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168 | (function(){
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169 | dojox.mdnd.adapter._dndFromDojo=new dojox.mdnd.adapter.DndFromDojo();
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170 | }()); |
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171 | } |