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YUI.add('queue-promote', function (Y, NAME) { |
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/** |
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* Adds methods promote, remove, and indexOf to Queue instances. |
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* |
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* @module queue-promote |
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* @for Queue |
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*/ |
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Y.mix(Y.Queue.prototype, { |
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/** |
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* Returns the current index in the queue of the specified item |
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* |
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* @method indexOf |
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* @param needle {MIXED} the item to search for |
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* @return {Number} the index of the item or -1 if not found |
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*/ |
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indexOf : function (callback) { |
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return Y.Array.indexOf(this._q, callback); |
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}, |
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/** |
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* Moves the referenced item to the head of the queue |
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* |
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* @method promote |
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* @param item {MIXED} an item in the queue |
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*/ |
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promote : function (callback) { |
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var index = this.indexOf(callback); |
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if (index > -1) { |
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this._q.unshift(this._q.splice(index,1)[0]); |
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} |
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}, |
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/** |
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* Removes the referenced item from the queue |
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* |
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* @method remove |
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* @param item {MIXED} an item in the queue |
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*/ |
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remove : function (callback) { |
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var index = this.indexOf(callback); |
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if (index > -1) { |
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this._q.splice(index,1); |
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} |
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} |
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}); |
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}, '@VERSION@', {"requires": ["yui-base"]}); |