define(["../sniff", "../_base/kernel", "../_base/lang", "../dom"],
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function(has, kernel, lang, dom){
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// module:
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// dojo/dnd/common
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var exports = lang.getObject("dojo.dnd", true);
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/*=====
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// TODO: for 2.0, replace line above with this code.
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var exports = {
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// summary:
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// TODOC
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};
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=====*/
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exports.getCopyKeyState = function(evt){
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return evt[has("mac") ? "metaKey" : "ctrlKey"]
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};
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exports._uniqueId = 0;
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exports.getUniqueId = function(){
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// summary:
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// returns a unique string for use with any DOM element
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var id;
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do{
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id = kernel._scopeName + "Unique" + (++exports._uniqueId);
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}while(dom.byId(id));
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return id;
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};
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exports._empty = {};
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exports.isFormElement = function(/*Event*/ e){
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// summary:
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// returns true if user clicked on a form element
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var t = e.target;
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if(t.nodeType == 3 /*TEXT_NODE*/){
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t = t.parentNode;
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}
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return " a button textarea input select option ".indexOf(" " + t.tagName.toLowerCase() + " ") >= 0; // Boolean
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};
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return exports;
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});
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