New file |
0,0 → 1,99 |
/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
|
Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
|
http://dojotoolkit.org/community/licensing.shtml |
*/ |
|
dojo.provide("dojo.collections.Dictionary"); |
dojo.require("dojo.collections.Collections"); |
dojo.collections.Dictionary = function (dictionary) { |
var items = {}; |
this.count = 0; |
var testObject = {}; |
this.add = function (k, v) { |
var b = (k in items); |
items[k] = new dojo.collections.DictionaryEntry(k, v); |
if (!b) { |
this.count++; |
} |
}; |
this.clear = function () { |
items = {}; |
this.count = 0; |
}; |
this.clone = function () { |
return new dojo.collections.Dictionary(this); |
}; |
this.contains = this.containsKey = function (k) { |
if (testObject[k]) { |
return false; |
} |
return (items[k] != null); |
}; |
this.containsValue = function (v) { |
var e = this.getIterator(); |
while (e.get()) { |
if (e.element.value == v) { |
return true; |
} |
} |
return false; |
}; |
this.entry = function (k) { |
return items[k]; |
}; |
this.forEach = function (fn, scope) { |
var a = []; |
for (var p in items) { |
if (!testObject[p]) { |
a.push(items[p]); |
} |
} |
var s = scope || dj_global; |
if (Array.forEach) { |
Array.forEach(a, fn, s); |
} else { |
for (var i = 0; i < a.length; i++) { |
fn.call(s, a[i], i, a); |
} |
} |
}; |
this.getKeyList = function () { |
return (this.getIterator()).map(function (entry) { |
return entry.key; |
}); |
}; |
this.getValueList = function () { |
return (this.getIterator()).map(function (entry) { |
return entry.value; |
}); |
}; |
this.item = function (k) { |
if (k in items) { |
return items[k].valueOf(); |
} |
return undefined; |
}; |
this.getIterator = function () { |
return new dojo.collections.DictionaryIterator(items); |
}; |
this.remove = function (k) { |
if (k in items && !testObject[k]) { |
delete items[k]; |
this.count--; |
return true; |
} |
return false; |
}; |
if (dictionary) { |
var e = dictionary.getIterator(); |
while (e.get()) { |
this.add(e.element.key, e.element.value); |
} |
} |
}; |
|