author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 02 Sep 2015 15:31:18 +0200 | |
changeset 10634 | 06a43f727601 |
parent 10100 | 6718c03f8938 |
permissions | -rw-r--r-- |
10100
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/* |
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* jQuery UI Sortable |
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* |
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* Copyright (c) 2008 Paul Bakaus |
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* Dual licensed under the MIT (MIT-LICENSE.txt) |
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* and GPL (GPL-LICENSE.txt) licenses. |
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* |
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* http://docs.jquery.com/UI/Sortables |
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* |
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* Depends: |
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* ui.base.js |
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* |
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* Revision: $Id: ui.sortable.js 5262 2008-04-17 13:13:51Z paul.bakaus $ |
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*/ |
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;(function($) { |
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if (window.Node && Node.prototype && !Node.prototype.contains) { |
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Node.prototype.contains = function (arg) { |
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return !!(this.compareDocumentPosition(arg) & 16); |
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}; |
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} |
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$.widget("ui.sortableTree", $.extend($.ui.mouse, { |
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init: function() { |
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//Initialize needed constants |
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var self = this, o = this.options; |
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this.containerCache = {}; |
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this.element.addClass("ui-sortableTree"); |
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//Get the items |
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this.refresh(); |
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//Let's determine the parent's offset |
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if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative'); |
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this.offset = this.element.offset(); |
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//Initialize mouse events for interaction |
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this.mouseInit(); |
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//Prepare cursorAt |
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if(o.cursorAt && o.cursorAt.constructor == Array) |
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o.cursorAt = { left: o.cursorAt[0], top: o.cursorAt[1] }; |
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}, |
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plugins: {}, |
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ui: function(inst) { |
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return { |
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helper: (inst || this)["helper"], |
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position: (inst || this)["position"].current, |
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absolutePosition: (inst || this)["position"].absolute, |
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instance: this, |
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options: this.options, |
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element: this.element, |
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item: (inst || this)["currentItem"], |
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sender: inst ? inst.element : null |
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}; |
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}, |
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propagate: function(n,e,inst) { |
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$.ui.plugin.call(this, n, [e, this.ui(inst)]); |
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this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]); |
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}, |
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serialize: function(o) { |
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var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself |
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var str = []; o = o || {}; |
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items.each(function() { |
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var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/)); |
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if(res) str.push((o.key || res[1])+'[]='+(o.key ? res[1] : res[2])); |
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}); |
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return str.join('&'); |
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}, |
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toArray: function(attr) { |
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var items = $(this.options.items, this.element).not('.ui-sortableTree-helper'); //Only the items of the sortable itself |
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var ret = []; |
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items.each(function() { ret.push($(this).attr(attr || 'id')); }); |
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return ret; |
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}, |
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enable: function() { |
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this.element.removeClass("ui-sortableTree-disabled"); |
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this.options.disabled = false; |
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}, |
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disable: function() { |
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this.element.addClass("ui-sortableTree-disabled"); |
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this.options.disabled = true; |
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}, |
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/* Be careful with the following core functions */ |
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intersectsWith: function(item) { |
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var x1 = this.position.absolute.left - 10, x2 = x1 + 10, |
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y1 = this.position.absolute.top - 10, y2 = y1 + 10; |
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var l = item.left, r = l + item.width, |
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t = item.top, b = t + item.height; |
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return ( l < x1 + (this.helperProportions.width / 2) // Right Half |
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&& x2 - (this.helperProportions.width / 2) < r // Left Half |
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&& t < y1 + (this.helperProportions.height / 2) // Bottom Half |
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&& y2 - (this.helperProportions.height / 2) < b ); // Top Half |
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}, |
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intersectsWithEdge: function(item) { |
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var y1 = this.position.absolute.top - 10, y2 = y1 + 10; |
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var t = item.top, b = t + item.height; |
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110 |
if(!this.intersectsWith(item.item.parents(".ui-sortableTree").data("sortableTree").containerCache)) return false; |
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111 |
|
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112 |
if (!( t < y1 + (this.helperProportions.height / 2) // Bottom Half |
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113 |
&& y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half |
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114 |
|
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115 |
if(y2 > t && y1 < t) return 1; //Crosses top edge |
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116 |
if(y1 < b && y2 > b) return 2; //Crosses bottom edge |
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117 |
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118 |
return false; |
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119 |
|
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120 |
}, |
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121 |
refresh: function() { |
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122 |
this.refreshItems(); |
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123 |
this.refreshPositions(); |
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124 |
}, |
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125 |
refreshItems: function() { |
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126 |
|
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127 |
this.items = []; |
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128 |
this.containers = [this]; |
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129 |
var items = this.items; |
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130 |
var queries = [$(this.options.items, this.element)]; |
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131 |
|
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132 |
if(this.options.connectWith) { |
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133 |
for (var i = this.options.connectWith.length - 1; i >= 0; i--){ |
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134 |
var cur = $(this.options.connectWith[i]); |
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135 |
for (var j = cur.length - 1; j >= 0; j--){ |
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136 |
var inst = $.data(cur[j], 'sortableTree'); |
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137 |
if(inst && !inst.options.disabled) { |
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138 |
queries.push($(inst.options.items, inst.element)); |
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139 |
this.containers.push(inst); |
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140 |
} |
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141 |
}; |
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142 |
}; |
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143 |
} |
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144 |
|
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145 |
for (var i = queries.length - 1; i >= 0; i--){ |
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146 |
queries[i].each(function() { |
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147 |
$.data(this, 'sortableTree-item', true); // Data for target checking (mouse manager) |
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148 |
items.push({ |
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149 |
item: $(this), |
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150 |
width: 0, height: 0, |
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151 |
left: 0, top: 0 |
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152 |
}); |
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153 |
}); |
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154 |
}; |
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155 |
|
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156 |
}, |
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157 |
refreshPositions: function(fast) { |
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158 |
for (var i = this.items.length - 1; i >= 0; i--){ |
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159 |
if(!fast) this.items[i].height = this.items[i].item.outerHeight(); |
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160 |
this.items[i].top = this.items[i].item.offset().top; |
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161 |
}; |
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162 |
for (var i = this.containers.length - 1; i >= 0; i--){ |
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163 |
var p =this.containers[i].element.offset(); |
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|
164 |
this.containers[i].containerCache.left = p.left; |
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|
165 |
this.containers[i].containerCache.top = p.top; |
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|
166 |
this.containers[i].containerCache.width = this.containers[i].element.outerWidth(); |
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|
167 |
this.containers[i].containerCache.height= this.containers[i].element.outerHeight(); |
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|
168 |
}; |
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|
169 |
}, |
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|
170 |
destroy: function() { |
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|
171 |
|
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|
172 |
this.element |
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|
173 |
.removeClass("ui-sortableTree ui-sortableTree-disabled") |
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|
174 |
.removeData("sortableTree") |
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|
175 |
.unbind(".sortableTree"); |
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|
176 |
this.mouseDestroy(); |
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|
177 |
|
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|
178 |
for ( var i = this.items.length - 1; i >= 0; i-- ) |
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|
179 |
this.items[i].item.removeData("sortableTree-item"); |
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|
180 |
|
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|
181 |
}, |
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|
182 |
contactContainers: function(e) { |
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|
183 |
for (var i = this.containers.length - 1; i >= 0; i--){ |
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|
184 |
|
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|
185 |
if(this.intersectsWith(this.containers[i].containerCache)) { |
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|
186 |
if(!this.containers[i].containerCache.over) { |
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|
187 |
|
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|
188 |
if(this.currentContainer != this.containers[i]) { |
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|
189 |
|
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|
190 |
//When entering a new container, we will find the item with the least distance and append our item near it |
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|
191 |
var dist = 10000; var itemWithLeastDistance = null; var base = this.position.absolute.top; |
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|
192 |
for (var j = this.items.length - 1; j >= 0; j--) { |
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|
193 |
if(!this.containers[i].element[0].contains(this.items[j].item[0])) continue; |
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|
194 |
var cur = this.items[j].top; |
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|
195 |
if(Math.abs(cur - base) < dist) { |
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|
196 |
dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; |
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|
197 |
} |
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|
198 |
} |
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|
199 |
|
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|
200 |
itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance) : this.rearrange(e, null, this.containers[i].element); |
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|
201 |
this.propagate("change", e); //Call plugins and callbacks |
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|
202 |
this.containers[i].propagate("change", e, this); //Call plugins and callbacks |
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|
203 |
this.currentContainer = this.containers[i]; |
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|
204 |
|
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|
205 |
} |
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|
206 |
|
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|
207 |
this.containers[i].propagate("over", e, this); |
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|
208 |
this.containers[i].containerCache.over = 1; |
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|
209 |
} |
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|
210 |
} else { |
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|
211 |
if(this.containers[i].containerCache.over) { |
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|
212 |
this.containers[i].propagate("out", e, this); |
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|
213 |
this.containers[i].containerCache.over = 0; |
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|
214 |
} |
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|
215 |
} |
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|
216 |
|
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|
217 |
}; |
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|
218 |
}, |
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|
219 |
mouseStart: function(e,el) { |
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if(this.options.disabled || this.options.type == 'static') return false; |
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//Find out if the clicked node (or one of its parents) is a actual item in this.items |
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var currentItem = null, nodes = $(e.target).parents().each(function() { |
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if($.data(this, 'sortableTree-item')) { |
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currentItem = $(this); |
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return false; |
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} |
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}); |
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if($.data(e.target, 'sortableTree-item')) currentItem = $(e.target); |
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if(!currentItem) return false; |
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if(this.options.handle) { |
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var validHandle = false; |
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$(this.options.handle, currentItem).each(function() { if(this == e.target) validHandle = true; }); |
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if(!validHandle) return false; |
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} |
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238 |
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this.currentItem = currentItem; |
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240 |
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var o = this.options; |
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this.currentContainer = this; |
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this.refresh(); |
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|
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//Create and append the visible helper |
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this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone(); |
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if(!this.helper.parents('body').length) this.helper.appendTo("body"); //Add the helper to the DOM if that didn't happen already |
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this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortableTree-helper'); //Position it absolutely and add a helper class |
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249 |
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//Prepare variables for position generation |
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$.extend(this, { |
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offsetParent: this.helper.offsetParent(), |
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offsets: { absolute: this.currentItem.offset() } |
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}); |
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255 |
|
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//Save the first time position |
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$.extend(this, { |
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position: { |
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current: { left: e.pageX, top: e.pageY }, |
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absolute: { left: e.pageX, top: e.pageY }, |
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dom: this.currentItem.prev()[0] |
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262 |
}, |
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clickOffset: { left: -5, top: -5 } |
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}); |
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265 |
|
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266 |
this.propagate("start", e); //Call plugins and callbacks |
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this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() }; //Save and store the helper proportions |
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268 |
|
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for (var i = this.containers.length - 1; i >= 0; i--) { |
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this.containers[i].propagate("activate", e, this); |
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} //Post 'activate' events to possible containers |
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272 |
|
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//Prepare possible droppables |
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if($.ui.ddmanager) $.ui.ddmanager.current = this; |
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if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e); |
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276 |
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this.dragging = true; |
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return true; |
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279 |
|
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280 |
}, |
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mouseStop: function(e) { |
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282 |
|
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283 |
if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt); //remove sort indicator |
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284 |
this.propagate("stop", e); //Call plugins and trigger callbacks |
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285 |
|
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286 |
//If we are using droppables, inform the manager about the drop |
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var dropped = ($.ui.ddmanager && !this.options.dropBehaviour) ? $.ui.ddmanager.drop(this, e) : false; |
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288 |
if(!dropped && this.newPositionAt) this.newPositionAt[this.direction == 'down' ? 'before' : 'after'](this.currentItem); //Append to element to its new position |
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289 |
|
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290 |
if(this.position.dom != this.currentItem.prev()[0]) this.propagate("update", e); //Trigger update callback if the DOM position has changed |
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291 |
if(!this.element[0].contains(this.currentItem[0])) { //Node was moved out of the current element |
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292 |
this.propagate("remove", e); |
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|
293 |
for (var i = this.containers.length - 1; i >= 0; i--){ |
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|
294 |
if(this.containers[i].element[0].contains(this.currentItem[0])) { |
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|
295 |
this.containers[i].propagate("update", e, this); |
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|
296 |
this.containers[i].propagate("receive", e, this); |
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297 |
} |
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298 |
}; |
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299 |
}; |
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300 |
|
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|
301 |
//Post events to containers |
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|
302 |
for (var i = this.containers.length - 1; i >= 0; i--){ |
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|
303 |
this.containers[i].propagate("deactivate", e, this); |
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|
304 |
if(this.containers[i].containerCache.over) { |
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|
305 |
this.containers[i].propagate("out", e, this); |
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|
306 |
this.containers[i].containerCache.over = 0; |
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|
307 |
} |
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|
308 |
} |
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309 |
|
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|
310 |
this.dragging = false; |
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|
311 |
if(this.cancelHelperRemoval) return false; |
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312 |
this.helper.remove(); |
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313 |
|
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|
314 |
return false; |
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|
315 |
|
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316 |
}, |
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|
317 |
mouseDrag: function(e) { |
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318 |
|
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|
319 |
//Compute the helpers position |
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|
320 |
this.position.current = { top: e.pageY + 5, left: e.pageX + 5 }; |
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321 |
this.position.absolute = { left: e.pageX + 5, top: e.pageY + 5 }; |
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322 |
|
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|
323 |
//Interconnect with droppables |
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|
324 |
if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); |
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325 |
var intersectsWithDroppable = false; |
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326 |
$.each($.ui.ddmanager.droppables, function() { |
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if(this.isover) intersectsWithDroppable = true; |
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}); |
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|
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//Rearrange |
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if(intersectsWithDroppable) { |
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if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt); |
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} else { |
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for (var i = this.items.length - 1; i >= 0; i--) { |
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|
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if(this.currentItem[0].contains(this.items[i].item[0])) continue; |
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|
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var intersection = this.intersectsWithEdge(this.items[i]); |
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if(!intersection) continue; |
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|
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this.direction = intersection == 1 ? "down" : "up"; |
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this.rearrange(e, this.items[i]); |
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this.propagate("change", e); //Call plugins and callbacks |
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break; |
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} |
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} |
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|
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//Post events to containers |
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this.contactContainers(e); |
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|
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this.propagate("sort", e); //Call plugins and callbacks |
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this.helper.css({ left: this.position.current.left+'px', top: this.position.current.top+'px' }); // Stick the helper to the cursor |
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return false; |
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|
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}, |
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rearrange: function(e, i, a) { |
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if(i) { |
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if(this.newPositionAt) this.options.sortIndication.remove.call(this.currentItem, this.newPositionAt); |
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this.newPositionAt = i.item; |
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this.options.sortIndication[this.direction].call(this.currentItem, this.newPositionAt); |
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} else { |
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//Append |
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} |
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} |
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})); |
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|
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$.extend($.ui.sortableTree, { |
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defaults: { |
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items: '> *', |
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zIndex: 1000, |
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distance: 1 |
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}, |
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getter: "serialize toArray" |
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}); |
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|
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376 |
|
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})(jQuery); |