58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
// Copyright 2008 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Generator for unique element IDs.
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*
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*/
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goog.provide('goog.ui.IdGenerator');
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/**
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* Creates a new id generator.
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* @constructor
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*/
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goog.ui.IdGenerator = function() {
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};
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goog.addSingletonGetter(goog.ui.IdGenerator);
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/**
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* Next unique ID to use
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* @type {number}
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* @private
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*/
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goog.ui.IdGenerator.prototype.nextId_ = 0;
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/**
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* Gets the next unique ID.
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* @return {string} The next unique identifier.
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*/
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goog.ui.IdGenerator.prototype.getNextUniqueId = function() {
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return ':' + (this.nextId_++).toString(36);
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};
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/**
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* Default instance for id generation. Done as an instance instead of statics
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* so it's possible to inject a mock for unit testing purposes.
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* @type {goog.ui.IdGenerator}
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* @deprecated Use goog.ui.IdGenerator.getInstance() instead and do not refer
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* to goog.ui.IdGenerator.instance anymore.
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*/
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goog.ui.IdGenerator.instance = goog.ui.IdGenerator.getInstance();
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