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};\r\n\t\tresult._valueSelector = valueSelector || function (value) { return value; };\r\n\r\n\t\tif (typeof keySelector == 'string') result._keySelector = function (value) { return value[keySelector]; };\r\n\t\tif (typeof valueSelector == 'string') result._valueSelector = function (value) { return value[valueSelector]; };\r\n\r\n\t\tko.utils.extend(result, ko.observableDictionary['fn']);\r\n\r\n\t\tresult.pushAll(dictionary);\r\n\r\n\t\treturn result;\r\n\t};\r\n\r\n\tko.observableDictionary['fn'] = {\r\n\t\tremove: function (valueOrPredicate) {\r\n\t\t\tvar predicate = valueOrPredicate;\r\n\r\n\t\t\tif (valueOrPredicate instanceof sm.portal.knockout.dictionaryItem) {\r\n\t\t\t\tpredicate = function (item) {\r\n\t\t\t\t\treturn item.key() === valueOrPredicate.key();\r\n\t\t\t\t};\r\n\t\t\t}\r\n\t\t\telse if (typeof valueOrPredicate != \"function\") {\r\n\t\t\t\tpredicate = function (item) {\r\n\t\t\t\t\treturn item.key() === valueOrPredicate;\r\n\t\t\t\t};\r\n\t\t\t}\r\n\r\n\t\t\tko.observableArray['fn'].remove.call(this.items, predicate);\r\n\t\t},\r\n\r\n\t\tpush: function (key, value) {\r\n\t\t\tvar item = null;\r\n\r\n\t\t\tif (key instanceof sm.portal.knockout.dictionaryItem) {\r\n\t\t\t\t// handle the case where only a DictionaryItem is passed in\r\n\t\t\t\titem = key;\r\n\t\t\t\tvalue = key.value();\r\n\t\t\t\tkey = key.key();\r\n\t\t\t}\r\n\r\n\t\t\tif (value === undefined) {\r\n\t\t\t\tvalue = this._valueSelector(key);\r\n\t\t\t\tkey = this._keySelector(value);\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\tvalue = this._valueSelector(value);\r\n\t\t\t}\r\n\r\n\t\t\tvar current = this.get(key, false);\r\n\t\t\tif (current) {\r\n\t\t\t\t// update existing value\r\n\t\t\t\tcurrent(value);\r\n\t\t\t\treturn current;\r\n\t\t\t}\r\n\r\n\t\t\tif (!item) {\r\n\t\t\t    item = new sm.portal.knockout.dictionaryItem(key, value, this);\r\n\t\t\t}\r\n\r\n\t\t\tko.observableArray['fn'].push.call(this.items, item);\r\n\r\n\t\t\treturn value;\r\n\t\t},\r\n\r\n\t\tpushAll: function (dictionary) {\r\n\t\t\tvar self = this;\r\n\t\t\tvar items = self.items();\r\n\r\n\t\t\tif (dictionary instanceof Array) {\r\n\t\t\t\t$.each(dictionary, function (index, item) {\r\n\t\t\t\t\tvar key = self._keySelector(item, index);\r\n\t\t\t\t\tvar value = self._valueSelector(item);\r\n\t\t\t\t\titems.push(new sm.portal.knockout.dictionaryItem(key, value, self));\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t\telse {\r\n\t\t\t\tfor (var prop in dictionary) {\r\n\t\t\t\t\tif (dictionary.hasOwnProperty(prop)) {\r\n\t\t\t\t\t\tvar item = dictionary[prop];\r\n\t\t\t\t\t\tvar key = self._keySelector(item, prop);\r\n\t\t\t\t\t\tvar value = self._valueSelector(item);\r\n\t\t\t\t\t\titems.push(new sm.portal.knockout.dictionaryItem(key, value, self));\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\t\t\t}\r\n\r\n\t\t\tself.items.valueHasMutated();\r\n\t\t},\r\n\r\n\t\tsort: function (method) {\r\n\t\t\tif (method === undefined) {\r\n\t\t\t\tmethod = function (a, b) {\r\n\t\t\t\t\treturn sm.portal.utility.defaultComparison(a.key(), b.key());\r\n\t\t\t\t};\r\n\t\t\t}\r\n\r\n\t\t\treturn ko.observableArray['fn'].sort.call(this.items, method);\r\n\t\t},\r\n\r\n\t\tindexOf: function (key) {\r\n\t\t    if (key instanceof sm.portal.knockout.dictionaryItem) {\r\n\t\t\t\treturn ko.observableArray['fn'].indexOf.call(this.items, key);\r\n\t\t\t}\r\n\r\n\t\t\tvar underlyingArray = this.items();\r\n\t\t\tfor (var index = 0; index < underlyingArray.length; index++) {\r\n\t\t\t\tif (underlyingArray[index].key() == key)\r\n\t\t\t\t\treturn index;\r\n\t\t\t}\r\n\t\t\treturn -1;\r\n\t\t},\r\n\r\n\t\tget: function (key, wrap) {\r\n\t\t\tif (wrap == false)\r\n\t\t\t    return sm.portal.knockout.getValue(key, this.items());\r\n\r\n\t\t\tvar wrapper = this._wrappers[key];\r\n\r\n\t\t\tif (wrapper == null) {\r\n\t\t\t\twrapper = this._wrappers[key] = new ko.computed({\r\n\t\t\t\t\tread: function () {\r\n\t\t\t\t\t    var value = sm.portal.knockout.getValue(key, this.items());\r\n\t\t\t\t\t\treturn value ? value() : null;\r\n\t\t\t\t\t},\r\n\t\t\t\t\twrite: function (newValue) {\r\n\t\t\t\t\t    var value = sm.portal.knockout.getValue(key, this.items());\r\n\r\n\t\t\t\t\t\tif (value)\r\n\t\t\t\t\t\t\tvalue(newValue);\r\n\t\t\t\t\t\telse\r\n\t\t\t\t\t\t\tthis.push(key, newValue);\r\n\t\t\t\t\t}\r\n\t\t\t\t}, this);\r\n\t\t\t}\r\n\r\n\t\t\treturn wrapper;\r\n\t\t},\r\n\r\n\t\tset: function (key, value) {\r\n\t\t\treturn this.push(key, value);\r\n\t\t},\r\n\r\n\t\tkeys: function () {\r\n\t\t\treturn ko.utils.arrayMap(this.items(), function (item) { return item.key(); });\r\n\t\t},\r\n\r\n\t\tvalues: function () {\r\n\t\t\treturn ko.utils.arrayMap(this.items(), function (item) { return item.value(); });\r\n\t\t},\r\n\r\n\t\tremoveAll: function () {\r\n\t\t\tthis.items.removeAll();\r\n\t\t},\r\n\r\n\t\ttoJSON: function () {\r\n\t\t\tvar result = {};\r\n\t\t\tvar items = ko.utils.unwrapObservable(this.items);\r\n\r\n\t\t\tko.utils.arrayForEach(items, function (item) {\r\n\t\t\t\tvar key = ko.utils.unwrapObservable(item.key);\r\n\t\t\t\tvar value = ko.utils.unwrapObservable(item.value);\r\n\r\n\t\t\t\tresult[key] = value;\r\n\t\t\t});\r\n\r\n\t\t\treturn result;\r\n\t\t}\r\n\t};\r\n\r\n})();\r\n"]}