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/* |
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* Fuel UX Spinbox |
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* https://github.com/ExactTarget/fuelux |
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* |
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* Copyright (c) 2014 ExactTarget |
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* Licensed under the BSD New license. |
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*/ |
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// -- BEGIN UMD WRAPPER PREFACE -- |
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// For more information on UMD visit: |
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// https://github.com/umdjs/umd/blob/master/jqueryPlugin.js |
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(function (factory) { |
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if (typeof define === 'function' && define.amd) { |
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// if AMD loader is available, register as an anonymous module. |
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define(['jquery'], factory); |
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} else if (typeof exports === 'object') { |
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// Node/CommonJS |
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module.exports = factory(require('jquery')); |
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} else { |
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// OR use browser globals if AMD is not present |
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factory(jQuery); |
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} |
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}(function ($) { |
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// -- END UMD WRAPPER PREFACE -- |
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// -- BEGIN MODULE CODE HERE -- |
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var old = $.fn.spinbox; |
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// SPINBOX CONSTRUCTOR AND PROTOTYPE |
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var Spinbox = function Spinbox(element, options) { |
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this.$element = $(element); |
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this.$element.find('.btn').on('click', function (e) { |
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//keep spinbox from submitting if they forgot to say type="button" on their spinner buttons |
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e.preventDefault(); |
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}); |
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this.options = $.extend({}, $.fn.spinbox.defaults, options); |
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this.options.step = this.$element.data('step') || this.options.step; |
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if (this.options.value < this.options.min) { |
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this.options.value = this.options.min; |
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} else if (this.options.max < this.options.value) { |
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this.options.value = this.options.max; |
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} |
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this.$input = this.$element.find('.spinbox-input'); |
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this.$input.on('focusout.fu.spinbox', this.$input, $.proxy(this.change, this)); |
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this.$element.on('keydown.fu.spinbox', this.$input, $.proxy(this.keydown, this)); |
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this.$element.on('keyup.fu.spinbox', this.$input, $.proxy(this.keyup, this)); |
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this.bindMousewheelListeners(); |
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this.mousewheelTimeout = {}; |
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if (this.options.hold) { |
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this.$element.on('mousedown.fu.spinbox', '.spinbox-up', $.proxy(function () { |
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this.startSpin(true); |
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}, this)); |
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this.$element.on('mouseup.fu.spinbox', '.spinbox-up, .spinbox-down', $.proxy(this.stopSpin, this)); |
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this.$element.on('mouseout.fu.spinbox', '.spinbox-up, .spinbox-down', $.proxy(this.stopSpin, this)); |
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this.$element.on('mousedown.fu.spinbox', '.spinbox-down', $.proxy(function () { |
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this.startSpin(false); |
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}, this)); |
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} else { |
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this.$element.on('click.fu.spinbox', '.spinbox-up', $.proxy(function () { |
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this.step(true); |
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}, this)); |
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this.$element.on('click.fu.spinbox', '.spinbox-down', $.proxy(function () { |
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this.step(false); |
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}, this)); |
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} |
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this.switches = { |
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count: 1, |
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enabled: true |
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}; |
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if (this.options.speed === 'medium') { |
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this.switches.speed = 300; |
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} else if (this.options.speed === 'fast') { |
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this.switches.speed = 100; |
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} else { |
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this.switches.speed = 500; |
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} |
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this.options.defaultUnit = _isUnitLegal(this.options.defaultUnit, this.options.units) ? this.options.defaultUnit : ''; |
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this.unit = this.options.defaultUnit; |
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this.lastValue = this.options.value; |
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this.render(); |
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if (this.options.disabled) { |
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this.disable(); |
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} |
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}; |
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// Truly private methods |
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var _limitToStep = function _limitToStep(number, step) { |
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return Math.round(number / step) * step; |
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}; |
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var _isUnitLegal = function _isUnitLegal(unit, validUnits) { |
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var legalUnit = false; |
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var suspectUnit = unit.toLowerCase(); |
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$.each(validUnits, function (i, validUnit) { |
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validUnit = validUnit.toLowerCase(); |
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if (suspectUnit === validUnit) { |
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legalUnit = true; |
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return false;//break out of the loop |
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} |
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}); |
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return legalUnit; |
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}; |
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var _applyLimits = function _applyLimits(value) { |
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// if unreadable |
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if (isNaN(parseFloat(value))) { |
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return value; |
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} |
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// if not within range return the limit |
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if (value > this.options.max) { |
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if (this.options.cycle) { |
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value = this.options.min; |
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} else { |
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value = this.options.max; |
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} |
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} else if (value < this.options.min) { |
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if (this.options.cycle) { |
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value = this.options.max; |
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} else { |
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value = this.options.min; |
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} |
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} |
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if (this.options.limitToStep && this.options.step) { |
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value = _limitToStep(value, this.options.step); |
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//force round direction so that it stays within bounds |
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if(value > this.options.max){ |
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value = value - this.options.step; |
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} else if(value < this.options.min) { |
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value = value + this.options.step; |
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} |
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} |
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return value; |
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}; |
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Spinbox.prototype = { |
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constructor: Spinbox, |
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destroy: function destroy() { |
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this.$element.remove(); |
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// any external bindings |
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// [none] |
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// set input value attrbute |
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this.$element.find('input').each(function () { |
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$(this).attr('value', $(this).val()); |
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}); |
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// empty elements to return to original markup |
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// [none] |
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// returns string of markup |
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return this.$element[0].outerHTML; |
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}, |
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render: function render() { |
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this.setValue(this.getDisplayValue()); |
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}, |
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change: function change() { |
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this.setValue(this.getDisplayValue()); |
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this.triggerChangedEvent(); |
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}, |
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stopSpin: function stopSpin() { |
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if (this.switches.timeout !== undefined) { |
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clearTimeout(this.switches.timeout); |
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this.switches.count = 1; |
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this.triggerChangedEvent(); |
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} |
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}, |
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triggerChangedEvent: function triggerChangedEvent() { |
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var currentValue = this.getValue(); |
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if (currentValue === this.lastValue) return; |
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this.lastValue = currentValue; |
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// Primary changed event |
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this.$element.trigger('changed.fu.spinbox', currentValue); |
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}, |
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startSpin: function startSpin(type) { |
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if (!this.options.disabled) { |
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var divisor = this.switches.count; |
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if (divisor === 1) { |
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this.step(type); |
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divisor = 1; |
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} else if (divisor < 3) { |
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divisor = 1.5; |
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} else if (divisor < 8) { |
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divisor = 2.5; |
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} else { |
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divisor = 4; |
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} |
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this.switches.timeout = setTimeout($.proxy(function () { |
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this.iterate(type); |
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}, this), this.switches.speed / divisor); |
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this.switches.count++; |
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} |
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}, |
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iterate: function iterate(type) { |
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this.step(type); |
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this.startSpin(type); |
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}, |
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step: function step(isIncrease) { |
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//refresh value from display before trying to increment in case they have just been typing before clicking the nubbins |
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this.setValue(this.getDisplayValue()); |
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var newVal; |
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if (isIncrease) { |
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newVal = this.options.value + this.options.step; |
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} else { |
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newVal = this.options.value - this.options.step; |
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} |
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newVal = newVal.toFixed(5); |
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this.setValue(newVal + this.unit); |
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}, |
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getDisplayValue: function getDisplayValue() { |
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var inputValue = this.parseInput(this.$input.val()); |
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var value = (!!inputValue) ? inputValue : this.options.value; |
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return value; |
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}, |
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setDisplayValue: function setDisplayValue(value) { |
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this.$input.val(value); |
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}, |
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getValue: function getValue() { |
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var val = this.options.value; |
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if (this.options.decimalMark !== '.'){ |
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val = (val + '').split('.').join(this.options.decimalMark); |
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} |
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return val + this.unit; |
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}, |
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setValue: function setValue(val) { |
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//remove any i18n on the number |
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if (this.options.decimalMark !== '.') { |
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val = this.parseInput(val); |
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} |
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//are we dealing with united numbers? |
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if(typeof val !== "number"){ |
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var potentialUnit = val.replace(/[0-9.-]/g, ''); |
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//make sure unit is valid, or else drop it in favor of current unit, or default unit (potentially nothing) |
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this.unit = _isUnitLegal(potentialUnit, this.options.units) ? potentialUnit : this.options.defaultUnit; |
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} |
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var intVal = this.getIntValue(val); |
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//make sure we are dealing with a number |
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if (isNaN(intVal) && !isFinite(intVal)) { |
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return this.setValue(this.options.value); |
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} |
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//conform |
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intVal = _applyLimits.call(this, intVal); |
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//cache the pure int value |
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this.options.value = intVal; |
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//prepare number for display |
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val = intVal + this.unit; |
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if (this.options.decimalMark !== '.'){ |
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val = (val + '').split('.').join(this.options.decimalMark); |
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} |
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//display number |
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this.setDisplayValue(val); |
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return this; |
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}, |
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value: function value(val) { |
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if (val || val === 0) { |
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return this.setValue(val); |
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} else { |
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return this.getValue(); |
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} |
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}, |
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parseInput: function parseInput(value) { |
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value = (value + '').split(this.options.decimalMark).join('.'); |
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return value; |
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}, |
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getIntValue: function getIntValue(value) { |
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//if they didn't pass in a number, try and get the number |
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value = (typeof value === "undefined") ? this.getValue() : value; |
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// if there still isn't a number, abort |
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if(typeof value === "undefined"){return;} |
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if (typeof value === 'string'){ |
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value = this.parseInput(value); |
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} |
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value = parseFloat(value, 10); |
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return value; |
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}, |
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disable: function disable() { |
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this.options.disabled = true; |
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this.$element.addClass('disabled'); |
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this.$input.attr('disabled', ''); |
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this.$element.find('button').addClass('disabled'); |
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}, |
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enable: function enable() { |
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this.options.disabled = false; |
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this.$element.removeClass('disabled'); |
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this.$input.removeAttr('disabled'); |
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this.$element.find('button').removeClass('disabled'); |
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}, |
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keydown: function keydown(event) { |
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var keyCode = event.keyCode; |
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if (keyCode === 38) { |
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this.step(true); |
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} else if (keyCode === 40) { |
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this.step(false); |
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} else if (keyCode === 13) { |
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this.change(); |
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} |
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}, |
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keyup: function keyup(event) { |
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var keyCode = event.keyCode; |
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if (keyCode === 38 || keyCode === 40) { |
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this.triggerChangedEvent(); |
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} |
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}, |
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bindMousewheelListeners: function bindMousewheelListeners() { |
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var inputEl = this.$input.get(0); |
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if (inputEl.addEventListener) { |
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//IE 9, Chrome, Safari, Opera |
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inputEl.addEventListener('mousewheel', $.proxy(this.mousewheelHandler, this), false); |
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// Firefox |
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inputEl.addEventListener('DOMMouseScroll', $.proxy(this.mousewheelHandler, this), false); |
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} else { |
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// IE <9 |
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inputEl.attachEvent('onmousewheel', $.proxy(this.mousewheelHandler, this)); |
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} |
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}, |
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mousewheelHandler: function mousewheelHandler(event) { |
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if (!this.options.disabled) { |
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var e = window.event || event;// old IE support |
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var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail))); |
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var self = this; |
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clearTimeout(this.mousewheelTimeout); |
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this.mousewheelTimeout = setTimeout(function () { |
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self.triggerChangedEvent(); |
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}, 300); |
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if (delta > 0) {//ACE |
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this.step(true); |
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} else { |
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this.step(false); |
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} |
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if (e.preventDefault) { |
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e.preventDefault(); |
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} else { |
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e.returnValue = false; |
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} |
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return false; |
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} |
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} |
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}; |
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// SPINBOX PLUGIN DEFINITION |
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$.fn.spinbox = function spinbox(option) { |
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var args = Array.prototype.slice.call(arguments, 1); |
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var methodReturn; |
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var $set = this.each(function () { |
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var $this = $(this); |
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var data = $this.data('fu.spinbox'); |
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var options = typeof option === 'object' && option; |
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if (!data) { |
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$this.data('fu.spinbox', (data = new Spinbox(this, options))); |
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} |
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if (typeof option === 'string') { |
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methodReturn = data[option].apply(data, args); |
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} |
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}); |
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return (methodReturn === undefined) ? $set : methodReturn; |
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}; |
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// value needs to be 0 for this.render(); |
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$.fn.spinbox.defaults = { |
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value: 0, |
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min: 0, |
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max: 999, |
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step: 1, |
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hold: true, |
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speed: 'medium', |
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disabled: false, |
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cycle: false, |
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units: [], |
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decimalMark: '.', |
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defaultUnit: '', |
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limitToStep: false |
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}; |
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$.fn.spinbox.Constructor = Spinbox; |
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$.fn.spinbox.noConflict = function noConflict() { |
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$.fn.spinbox = old; |
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return this; |
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}; |
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// DATA-API |
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$(document).on('mousedown.fu.spinbox.data-api', '[data-initialize=spinbox]', function (e) { |
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var $control = $(e.target).closest('.spinbox'); |
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if (!$control.data('fu.spinbox')) { |
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$control.spinbox($control.data()); |
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} |
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}); |
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// Must be domReady for AMD compatibility |
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$(function () { |
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$('[data-initialize=spinbox]').each(function () { |
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var $this = $(this); |
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if (!$this.data('fu.spinbox')) { |
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$this.spinbox($this.data()); |
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} |
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}); |
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}); |
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|
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// -- BEGIN UMD WRAPPER AFTERWORD -- |
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})); |
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// -- END UMD WRAPPER AFTERWORD -- |