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706 lines
20 KiB
706 lines
20 KiB
/*
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* Bootstrap TouchSpin - v3.1.2
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* A mobile and touch friendly input spinner component for Bootstrap 3.
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* http://www.virtuosoft.eu/code/bootstrap-touchspin/
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*
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* Made by István Ujj-Mészáros
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* Under Apache License v2.0 License
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*/
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(function($) {
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'use strict';
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var _currentSpinnerId = 0;
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function _scopedEventName(name, id) {
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return name + '.touchspin_' + id;
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}
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function _scopeEventNames(names, id) {
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return $.map(names, function(name) {
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return _scopedEventName(name, id);
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});
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}
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$.fn.TouchSpin = function(options) {
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if (options === 'destroy') {
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this.each(function() {
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var originalinput = $(this),
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originalinput_data = originalinput.data();
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$(document).off(_scopeEventNames([
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'mouseup',
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'touchend',
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'touchcancel',
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'mousemove',
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'touchmove',
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'scroll',
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'scrollstart'], originalinput_data.spinnerid).join(' '));
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});
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return;
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}
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var defaults = {
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min: 0,
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max: 100,
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initval: '',
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replacementval: '',
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step: 1,
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decimals: 0,
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stepinterval: 100,
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forcestepdivisibility: 'round', // none | floor | round | ceil
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stepintervaldelay: 500,
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verticalbuttons: false,
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verticalupclass: 'glyphicon glyphicon-chevron-up',
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verticaldownclass: 'glyphicon glyphicon-chevron-down',
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prefix: '',
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postfix: '',
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prefix_extraclass: '',
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postfix_extraclass: '',
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booster: true,
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boostat: 10,
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maxboostedstep: false,
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mousewheel: true,
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buttondown_class: 'btn btn-default',
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buttonup_class: 'btn btn-default',
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buttondown_txt: '-',
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buttonup_txt: '+'
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};
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var attributeMap = {
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min: 'min',
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max: 'max',
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initval: 'init-val',
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replacementval: 'replacement-val',
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step: 'step',
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decimals: 'decimals',
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stepinterval: 'step-interval',
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verticalbuttons: 'vertical-buttons',
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verticalupclass: 'vertical-up-class',
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verticaldownclass: 'vertical-down-class',
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forcestepdivisibility: 'force-step-divisibility',
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stepintervaldelay: 'step-interval-delay',
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prefix: 'prefix',
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postfix: 'postfix',
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prefix_extraclass: 'prefix-extra-class',
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postfix_extraclass: 'postfix-extra-class',
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booster: 'booster',
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boostat: 'boostat',
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maxboostedstep: 'max-boosted-step',
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mousewheel: 'mouse-wheel',
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buttondown_class: 'button-down-class',
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buttonup_class: 'button-up-class',
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buttondown_txt: 'button-down-txt',
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buttonup_txt: 'button-up-txt'
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};
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return this.each(function() {
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var settings,
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originalinput = $(this),
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originalinput_data = originalinput.data(),
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container,
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elements,
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value,
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downSpinTimer,
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upSpinTimer,
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downDelayTimeout,
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upDelayTimeout,
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spincount = 0,
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spinning = false;
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init();
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function init() {
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if (originalinput.data('alreadyinitialized')) {
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return;
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}
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originalinput.data('alreadyinitialized', true);
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_currentSpinnerId += 1;
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originalinput.data('spinnerid', _currentSpinnerId);
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if (!originalinput.is('input')) {
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console.log('Must be an input.');
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return;
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}
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_initSettings();
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_setInitval();
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_checkValue();
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_buildHtml();
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_initElements();
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_hideEmptyPrefixPostfix();
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_bindEvents();
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_bindEventsInterface();
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elements.input.css('display', 'block');
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}
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function _setInitval() {
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if (settings.initval !== '' && originalinput.val() === '') {
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originalinput.val(settings.initval);
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}
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}
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function changeSettings(newsettings) {
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_updateSettings(newsettings);
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_checkValue();
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var value = elements.input.val();
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if (value !== '') {
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value = Number(elements.input.val());
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elements.input.val(value.toFixed(settings.decimals));
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}
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}
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function _initSettings() {
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settings = $.extend({}, defaults, originalinput_data, _parseAttributes(), options);
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}
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function _parseAttributes() {
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var data = {};
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$.each(attributeMap, function(key, value) {
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var attrName = 'bts-' + value + '';
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if (originalinput.is('[data-' + attrName + ']')) {
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data[key] = originalinput.data(attrName);
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}
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});
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return data;
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}
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function _updateSettings(newsettings) {
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settings = $.extend({}, settings, newsettings);
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// Update postfix and prefix texts if those settings were changed.
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if (newsettings.postfix) {
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originalinput.parent().find('.bootstrap-touchspin-postfix').text(newsettings.postfix);
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}
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if (newsettings.prefix) {
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originalinput.parent().find('.bootstrap-touchspin-prefix').text(newsettings.prefix);
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}
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}
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function _buildHtml() {
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var initval = originalinput.val(),
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parentelement = originalinput.parent();
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if (initval !== '') {
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initval = Number(initval).toFixed(settings.decimals);
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}
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originalinput.data('initvalue', initval).val(initval);
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originalinput.addClass('form-control');
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if (parentelement.hasClass('input-group')) {
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_advanceInputGroup(parentelement);
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}
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else {
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_buildInputGroup();
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}
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}
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function _advanceInputGroup(parentelement) {
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parentelement.addClass('bootstrap-touchspin');
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var prev = originalinput.prev(),
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next = originalinput.next();
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var downhtml,
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uphtml,
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prefixhtml = '<span class="input-group-addon bootstrap-touchspin-prefix">' + settings.prefix + '</span>',
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postfixhtml = '<span class="input-group-addon bootstrap-touchspin-postfix">' + settings.postfix + '</span>';
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if (prev.hasClass('input-group-btn')) {
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downhtml = '<button class="' + settings.buttondown_class + ' bootstrap-touchspin-down" type="button">' + settings.buttondown_txt + '</button>';
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prev.append(downhtml);
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}
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else {
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downhtml = '<span class="input-group-btn"><button class="' + settings.buttondown_class + ' bootstrap-touchspin-down" type="button">' + settings.buttondown_txt + '</button></span>';
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$(downhtml).insertBefore(originalinput);
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}
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if (next.hasClass('input-group-btn')) {
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uphtml = '<button class="' + settings.buttonup_class + ' bootstrap-touchspin-up" type="button">' + settings.buttonup_txt + '</button>';
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next.prepend(uphtml);
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}
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else {
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uphtml = '<span class="input-group-btn"><button class="' + settings.buttonup_class + ' bootstrap-touchspin-up" type="button">' + settings.buttonup_txt + '</button></span>';
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$(uphtml).insertAfter(originalinput);
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}
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$(prefixhtml).insertBefore(originalinput);
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$(postfixhtml).insertAfter(originalinput);
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container = parentelement;
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}
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function _buildInputGroup() {
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var html;
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if (settings.verticalbuttons) {
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html = '<div class="input-group bootstrap-touchspin"><span class="input-group-addon bootstrap-touchspin-prefix">' + settings.prefix + '</span><span class="input-group-addon bootstrap-touchspin-postfix">' + settings.postfix + '</span><span class="input-group-btn-vertical"><button class="' + settings.buttondown_class + ' bootstrap-touchspin-up" type="button"><i class="' + settings.verticalupclass + '"></i></button><button class="' + settings.buttonup_class + ' bootstrap-touchspin-down" type="button"><i class="' + settings.verticaldownclass + '"></i></button></span></div>';
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}
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else {
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html = '<div class="input-group bootstrap-touchspin"><span class="input-group-btn"><button class="' + settings.buttondown_class + ' bootstrap-touchspin-down" type="button">' + settings.buttondown_txt + '</button></span><span class="input-group-addon bootstrap-touchspin-prefix">' + settings.prefix + '</span><span class="input-group-addon bootstrap-touchspin-postfix">' + settings.postfix + '</span><span class="input-group-btn"><button class="' + settings.buttonup_class + ' bootstrap-touchspin-up" type="button">' + settings.buttonup_txt + '</button></span></div>';
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}
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container = $(html).insertBefore(originalinput);
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$('.bootstrap-touchspin-prefix', container).after(originalinput);
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if (originalinput.hasClass('input-sm')) {
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container.addClass('input-group-sm');
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}
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else if (originalinput.hasClass('input-lg')) {
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container.addClass('input-group-lg');
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}
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}
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function _initElements() {
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elements = {
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down: $('.bootstrap-touchspin-down', container),
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up: $('.bootstrap-touchspin-up', container),
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input: $('input', container),
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prefix: $('.bootstrap-touchspin-prefix', container).addClass(settings.prefix_extraclass),
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postfix: $('.bootstrap-touchspin-postfix', container).addClass(settings.postfix_extraclass)
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};
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}
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function _hideEmptyPrefixPostfix() {
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if (settings.prefix === '') {
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elements.prefix.hide();
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}
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if (settings.postfix === '') {
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elements.postfix.hide();
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}
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}
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function _bindEvents() {
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originalinput.on('keydown', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 38) {
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if (spinning !== 'up') {
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upOnce();
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startUpSpin();
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}
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ev.preventDefault();
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}
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else if (code === 40) {
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if (spinning !== 'down') {
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downOnce();
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startDownSpin();
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}
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ev.preventDefault();
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}
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});
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originalinput.on('keyup', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 38) {
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stopSpin();
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}
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else if (code === 40) {
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stopSpin();
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}
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});
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originalinput.on('blur', function() {
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_checkValue();
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});
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elements.down.on('keydown', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 32 || code === 13) {
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if (spinning !== 'down') {
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downOnce();
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startDownSpin();
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}
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ev.preventDefault();
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}
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});
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elements.down.on('keyup', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 32 || code === 13) {
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stopSpin();
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}
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});
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elements.up.on('keydown', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 32 || code === 13) {
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if (spinning !== 'up') {
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upOnce();
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startUpSpin();
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}
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ev.preventDefault();
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}
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});
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elements.up.on('keyup', function(ev) {
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var code = ev.keyCode || ev.which;
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if (code === 32 || code === 13) {
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stopSpin();
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}
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});
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elements.down.on('mousedown.touchspin', function(ev) {
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elements.down.off('touchstart.touchspin'); // android 4 workaround
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if (originalinput.is(':disabled')) {
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return;
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}
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downOnce();
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startDownSpin();
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ev.preventDefault();
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ev.stopPropagation();
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});
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elements.down.on('touchstart.touchspin', function(ev) {
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elements.down.off('mousedown.touchspin'); // android 4 workaround
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if (originalinput.is(':disabled')) {
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return;
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}
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downOnce();
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startDownSpin();
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ev.preventDefault();
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ev.stopPropagation();
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});
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elements.up.on('mousedown.touchspin', function(ev) {
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elements.up.off('touchstart.touchspin'); // android 4 workaround
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if (originalinput.is(':disabled')) {
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return;
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}
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upOnce();
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startUpSpin();
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ev.preventDefault();
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ev.stopPropagation();
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});
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elements.up.on('touchstart.touchspin', function(ev) {
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elements.up.off('mousedown.touchspin'); // android 4 workaround
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if (originalinput.is(':disabled')) {
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return;
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}
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upOnce();
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startUpSpin();
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ev.preventDefault();
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ev.stopPropagation();
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});
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elements.up.on('mouseout touchleave touchend touchcancel', function(ev) {
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if (!spinning) {
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return;
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}
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ev.stopPropagation();
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stopSpin();
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});
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elements.down.on('mouseout touchleave touchend touchcancel', function(ev) {
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if (!spinning) {
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return;
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}
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ev.stopPropagation();
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stopSpin();
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});
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elements.down.on('mousemove touchmove', function(ev) {
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if (!spinning) {
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return;
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}
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ev.stopPropagation();
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ev.preventDefault();
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});
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elements.up.on('mousemove touchmove', function(ev) {
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if (!spinning) {
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return;
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}
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ev.stopPropagation();
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ev.preventDefault();
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});
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$(document).on(_scopeEventNames(['mouseup', 'touchend', 'touchcancel'], _currentSpinnerId).join(' '), function(ev) {
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if (!spinning) {
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return;
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}
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ev.preventDefault();
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stopSpin();
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});
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$(document).on(_scopeEventNames(['mousemove', 'touchmove', 'scroll', 'scrollstart'], _currentSpinnerId).join(' '), function(ev) {
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if (!spinning) {
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return;
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}
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ev.preventDefault();
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stopSpin();
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});
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originalinput.on('mousewheel DOMMouseScroll', function(ev) {
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if (!settings.mousewheel || !originalinput.is(':focus')) {
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return;
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}
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var delta = ev.originalEvent.wheelDelta || -ev.originalEvent.deltaY || -ev.originalEvent.detail;
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ev.stopPropagation();
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ev.preventDefault();
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if (delta < 0) {
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downOnce();
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}
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else {
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upOnce();
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}
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});
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}
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function _bindEventsInterface() {
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originalinput.on('touchspin.uponce', function() {
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stopSpin();
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upOnce();
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});
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originalinput.on('touchspin.downonce', function() {
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stopSpin();
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downOnce();
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});
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originalinput.on('touchspin.startupspin', function() {
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startUpSpin();
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});
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originalinput.on('touchspin.startdownspin', function() {
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startDownSpin();
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});
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originalinput.on('touchspin.stopspin', function() {
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stopSpin();
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});
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originalinput.on('touchspin.updatesettings', function(e, newsettings) {
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changeSettings(newsettings);
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});
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}
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function _forcestepdivisibility(value) {
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switch (settings.forcestepdivisibility) {
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case 'round':
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return (Math.round(value / settings.step) * settings.step).toFixed(settings.decimals);
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case 'floor':
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return (Math.floor(value / settings.step) * settings.step).toFixed(settings.decimals);
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case 'ceil':
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return (Math.ceil(value / settings.step) * settings.step).toFixed(settings.decimals);
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default:
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return value;
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}
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}
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function _checkValue() {
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var val, parsedval, returnval;
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val = originalinput.val();
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if (val === '') {
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if (settings.replacementval !== '') {
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originalinput.val(settings.replacementval);
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originalinput.trigger('change');
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}
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return;
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}
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if (settings.decimals > 0 && val === '.') {
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return;
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}
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parsedval = parseFloat(val);
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if (isNaN(parsedval)) {
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if (settings.replacementval !== '') {
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parsedval = settings.replacementval;
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}
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else {
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parsedval = 0;
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}
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}
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returnval = parsedval;
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if (parsedval.toString() !== val) {
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returnval = parsedval;
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}
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if (parsedval < settings.min) {
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returnval = settings.min;
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}
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if (parsedval > settings.max) {
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returnval = settings.max;
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}
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returnval = _forcestepdivisibility(returnval);
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if (Number(val).toString() !== returnval.toString()) {
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originalinput.val(returnval);
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originalinput.trigger('change');
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}
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}
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function _getBoostedStep() {
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if (!settings.booster) {
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return settings.step;
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}
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|
else {
|
|
var boosted = Math.pow(2, Math.floor(spincount / settings.boostat)) * settings.step;
|
|
|
|
if (settings.maxboostedstep) {
|
|
if (boosted > settings.maxboostedstep) {
|
|
boosted = settings.maxboostedstep;
|
|
value = Math.round((value / boosted)) * boosted;
|
|
}
|
|
}
|
|
|
|
return Math.max(settings.step, boosted);
|
|
}
|
|
}
|
|
|
|
function upOnce() {
|
|
_checkValue();
|
|
|
|
value = parseFloat(elements.input.val());
|
|
if (isNaN(value)) {
|
|
value = 0;
|
|
}
|
|
|
|
var initvalue = value,
|
|
boostedstep = _getBoostedStep();
|
|
|
|
value = value + boostedstep;
|
|
|
|
if (value > settings.max) {
|
|
value = settings.max;
|
|
originalinput.trigger('touchspin.on.max');
|
|
stopSpin();
|
|
}
|
|
|
|
elements.input.val(Number(value).toFixed(settings.decimals));
|
|
|
|
if (initvalue !== value) {
|
|
originalinput.trigger('change');
|
|
}
|
|
}
|
|
|
|
function downOnce() {
|
|
_checkValue();
|
|
|
|
value = parseFloat(elements.input.val());
|
|
if (isNaN(value)) {
|
|
value = 0;
|
|
}
|
|
|
|
var initvalue = value,
|
|
boostedstep = _getBoostedStep();
|
|
|
|
value = value - boostedstep;
|
|
|
|
if (value < settings.min) {
|
|
value = settings.min;
|
|
originalinput.trigger('touchspin.on.min');
|
|
stopSpin();
|
|
}
|
|
|
|
elements.input.val(value.toFixed(settings.decimals));
|
|
|
|
if (initvalue !== value) {
|
|
originalinput.trigger('change');
|
|
}
|
|
}
|
|
|
|
function startDownSpin() {
|
|
stopSpin();
|
|
|
|
spincount = 0;
|
|
spinning = 'down';
|
|
|
|
originalinput.trigger('touchspin.on.startspin');
|
|
originalinput.trigger('touchspin.on.startdownspin');
|
|
|
|
downDelayTimeout = setTimeout(function() {
|
|
downSpinTimer = setInterval(function() {
|
|
spincount++;
|
|
downOnce();
|
|
}, settings.stepinterval);
|
|
}, settings.stepintervaldelay);
|
|
}
|
|
|
|
function startUpSpin() {
|
|
stopSpin();
|
|
|
|
spincount = 0;
|
|
spinning = 'up';
|
|
|
|
originalinput.trigger('touchspin.on.startspin');
|
|
originalinput.trigger('touchspin.on.startupspin');
|
|
|
|
upDelayTimeout = setTimeout(function() {
|
|
upSpinTimer = setInterval(function() {
|
|
spincount++;
|
|
upOnce();
|
|
}, settings.stepinterval);
|
|
}, settings.stepintervaldelay);
|
|
}
|
|
|
|
function stopSpin() {
|
|
clearTimeout(downDelayTimeout);
|
|
clearTimeout(upDelayTimeout);
|
|
clearInterval(downSpinTimer);
|
|
clearInterval(upSpinTimer);
|
|
|
|
switch (spinning) {
|
|
case 'up':
|
|
originalinput.trigger('touchspin.on.stopupspin');
|
|
originalinput.trigger('touchspin.on.stopspin');
|
|
break;
|
|
case 'down':
|
|
originalinput.trigger('touchspin.on.stopdownspin');
|
|
originalinput.trigger('touchspin.on.stopspin');
|
|
break;
|
|
}
|
|
|
|
spincount = 0;
|
|
spinning = false;
|
|
}
|
|
|
|
});
|
|
|
|
};
|
|
|
|
})(jQuery);
|