source: Dev/trunk/src/client/dojo/dnd/common.js

define(["../sniff", "../_base/kernel", "../_base/lang", "../dom"],
        function(has, kernel, lang, dom){

// module:
//              dojo/dnd/common

var exports = lang.getObject("dojo.dnd", true);
/*=====
// TODO: for 2.0, replace line above with this code.
var exports = {
        // summary:
        //              TODOC
};
=====*/

exports.getCopyKeyState = function(evt){
        return evt[has("mac") ? "metaKey" : "ctrlKey"]
};

exports._uniqueId = 0;
exports.getUniqueId = function(){
        // summary:
        //              returns a unique string for use with any DOM element
        var id;
        do{
                id = kernel._scopeName + "Unique" + (++exports._uniqueId);
        }while(dom.byId(id));
        return id;
};

exports._empty = {};

exports.isFormElement = function(/*Event*/ e){
        // summary:
        //              returns true if user clicked on a form element
        var t = e.target;
        if(t.nodeType == 3 /*TEXT_NODE*/){
                t = t.parentNode;
        }
        return " a button textarea input select option ".indexOf(" " + t.tagName.toLowerCase() + " ") >= 0;     // Boolean
};

return exports;
});