/*
* Bootstrap TouchSpin - v3.0.1
* A mobile and touch friendly input spinner component for Bootstrap 3.
* http://www.virtuosoft.eu/code/bootstrap-touchspin/
*
* Made by István Ujj-Mészáros
* Under Apache License v2.0 License
*/
(function($) {
'use strict';
var _currentSpinnerId = 0;
function _scopedEventName(name, id) {
return name + '.touchspin_' + id;
}
function _scopeEventNames(names, id) {
return $.map(names, function(name) {
return _scopedEventName(name, id);
});
}
$.fn.TouchSpin = function(options) {
if (options === 'destroy') {
this.each(function() {
var originalinput = $(this),
originalinput_data = originalinput.data();
$(document).off(_scopeEventNames([
'mouseup',
'touchend',
'touchcancel',
'mousemove',
'touchmove',
'scroll',
'scrollstart'], originalinput_data.spinnerid).join(' '));
});
return;
}
var defaults = {
min: 0,
max: 100,
initval: '',
step: 1,
decimals: 0,
stepinterval: 100,
forcestepdivisibility: 'round', // none | floor | round | ceil
stepintervaldelay: 500,
verticalbuttons: false,
verticalupclass: 'glyphicon glyphicon-chevron-up',
verticaldownclass: 'glyphicon glyphicon-chevron-down',
prefix: '',
postfix: '',
prefix_extraclass: '',
postfix_extraclass: '',
booster: true,
boostat: 10,
maxboostedstep: false,
mousewheel: true,
buttondown_class: 'btn btn-default',
buttonup_class: 'btn btn-default',
buttondown_txt: '-',
buttonup_txt: '+'
};
var attributeMap = {
min: 'min',
max: 'max',
initval: 'init-val',
step: 'step',
decimals: 'decimals',
stepinterval: 'step-interval',
verticalbuttons: 'vertical-buttons',
verticalupclass: 'vertical-up-class',
verticaldownclass: 'vertical-down-class',
forcestepdivisibility: 'force-step-divisibility',
stepintervaldelay: 'step-interval-delay',
prefix: 'prefix',
postfix: 'postfix',
prefix_extraclass: 'prefix-extra-class',
postfix_extraclass: 'postfix-extra-class',
booster: 'booster',
boostat: 'boostat',
maxboostedstep: 'max-boosted-step',
mousewheel: 'mouse-wheel',
buttondown_class: 'button-down-class',
buttonup_class: 'button-up-class',
buttondown_txt: 'button-down-txt',
buttonup_txt: 'button-up-txt'
};
return this.each(function() {
var settings,
originalinput = $(this),
originalinput_data = originalinput.data(),
container,
elements,
value,
downSpinTimer,
upSpinTimer,
downDelayTimeout,
upDelayTimeout,
spincount = 0,
spinning = false;
init();
function init() {
if (originalinput.data('alreadyinitialized')) {
return;
}
originalinput.data('alreadyinitialized', true);
_currentSpinnerId += 1;
originalinput.data('spinnerid', _currentSpinnerId);
if (!originalinput.is('input')) {
console.log('Must be an input.');
return;
}
_initSettings();
_setInitval();
_checkValue();
_buildHtml();
_initElements();
_hideEmptyPrefixPostfix();
_bindEvents();
_bindEventsInterface();
elements.input.css('display', 'block');
}
function _setInitval() {
if (settings.initval !== '' && originalinput.val() === '') {
originalinput.val(settings.initval);
}
}
function changeSettings(newsettings) {
_updateSettings(newsettings);
_checkValue();
var value = elements.input.val();
if (value !== '') {
value = Number(elements.input.val());
elements.input.val(value.toFixed(settings.decimals));
}
}
function _initSettings() {
settings = $.extend({}, defaults, originalinput_data, _parseAttributes(), options);
}
function _parseAttributes() {
var data = {};
$.each(attributeMap, function(key, value) {
var attrName = 'bts-' + value + '';
if (originalinput.is('[data-' + attrName + ']')) {
data[key] = originalinput.data(attrName);
}
});
return data;
}
function _updateSettings(newsettings) {
settings = $.extend({}, settings, newsettings);
}
function _buildHtml() {
var initval = originalinput.val(),
parentelement = originalinput.parent();
if (initval !== '') {
initval = Number(initval).toFixed(settings.decimals);
}
originalinput.data('initvalue', initval).val(initval);
originalinput.addClass('form-control');
if (parentelement.hasClass('input-group')) {
_advanceInputGroup(parentelement);
}
else {
_buildInputGroup();
}
}
function _advanceInputGroup(parentelement) {
parentelement.addClass('bootstrap-touchspin');
var prev = originalinput.prev(),
next = originalinput.next();
var downhtml,
uphtml,
prefixhtml = '<span class="input-group-addon bootstrap-touchspin-prefix">' + settings.prefix + '</span>',
postfixhtml = '<span class="input-group-addon bootstrap-touchspin-postfix">' + settings.postfix + '</span>';
if (prev.hasClass('input-group-btn')) {
downhtml = '<button class="' + settings.buttondown_class + ' bootstrap-touchspin-down" type="button">' + settings.buttondown_txt + '</button>';
prev.append(downhtml);
}
else {
downhtml = '<span class="input-group-btn"><button class="' + settings.buttondown_class + ' bootstrap-touchspin-down" type="button">' + settings.buttondown_txt + '</button></span>';
$(downhtml).insertBefore(originalinput);
}
if (next.hasClass('input-group-btn')) {
uphtml = '<button class="' + settings.buttonup_class + ' bootstrap-touchspin-up" type="button">' + settings.buttonup_txt + '</button>';
next.prepend(uphtml);
}
else {
uphtml = '<span class="input-group-btn"><button class="' + settings.buttonup_class + ' bootstrap-touchspin-up" type="button">' + settings.buttonup_txt + '</button></span>';
$(uphtml).insertAfter(originalinput);
}
$(prefixhtml).insertBefore(originalinput);
$(postfixhtml).insertAfter(originalinput);
container = parentelement;
}
function _buildInputGroup() {
var html;
if (settings.verticalbuttons) {
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>';
}
else {
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>';
}
container = $(html).insertBefore(originalinput);
$('.bootstrap-touchspin-prefix', container).after(originalinput);
if (originalinput.hasClass('input-sm')) {
container.addClass('input-group-sm');
}
else if (originalinput.hasClass('input-lg')) {
container.addClass('input-group-lg');
}
}
function _initElements() {
elements = {
down: $('.bootstrap-touchspin-down', container),
up: $('.bootstrap-touchspin-up', container),
input: $('input', container),
prefix: $('.bootstrap-touchspin-prefix', container).addClass(settings.prefix_extraclass),
postfix: $('.bootstrap-touchspin-postfix', container).addClass(settings.postfix_extraclass)
};
}
function _hideEmptyPrefixPostfix() {
if (settings.prefix === '') {
elements.prefix.hide();
}
if (settings.postfix === '') {
elements.postfix.hide();
}
}
function _bindEvents() {
originalinput.on('keydown', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 38) {
if (spinning !== 'up') {
upOnce();
startUpSpin();
}
ev.preventDefault();
}
else if (code === 40) {
if (spinning !== 'down') {
downOnce();
startDownSpin();
}
ev.preventDefault();
}
});
originalinput.on('keyup', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 38) {
stopSpin();
}
else if (code === 40) {
stopSpin();
}
});
originalinput.on('blur', function() {
_checkValue();
});
elements.down.on('keydown', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 32 || code === 13) {
if (spinning !== 'down') {
downOnce();
startDownSpin();
}
ev.preventDefault();
}
});
elements.down.on('keyup', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 32 || code === 13) {
stopSpin();
}
});
elements.up.on('keydown', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 32 || code === 13) {
if (spinning !== 'up') {
upOnce();
startUpSpin();
}
ev.preventDefault();
}
});
elements.up.on('keyup', function(ev) {
var code = ev.keyCode || ev.which;
if (code === 32 || code === 13) {
stopSpin();
}
});
elements.down.on('mousedown.touchspin', function(ev) {
elements.down.off('touchstart.touchspin'); // android 4 workaround
if (originalinput.is(':disabled')) {
return;
}
downOnce();
startDownSpin();
ev.preventDefault();
ev.stopPropagation();
});
elements.down.on('touchstart.touchspin', function(ev) {
elements.down.off('mousedown.touchspin'); // android 4 workaround
if (originalinput.is(':disabled')) {
return;
}
downOnce();
startDownSpin();
ev.preventDefault();
ev.stopPropagation();
});
elements.up.on('mousedown.touchspin', function(ev) {
elements.up.off('touchstart.touchspin'); // android 4 workaround
if (originalinput.is(':disabled')) {
return;
}
upOnce();
startUpSpin();
ev.preventDefault();
ev.stopPropagation();
});
elements.up.on('touchstart.touchspin', function(ev) {
elements.up.off('mousedown.touchspin'); // android 4 workaround
if (originalinput.is(':disabled')) {
return;
}
upOnce();
startUpSpin();
ev.preventDefault();
ev.stopPropagation();
});
elements.up.on('mouseout touchleave touchend touchcancel', function(ev) {
if (!spinning) {
return;
}
ev.stopPropagation();
stopSpin();
});
elements.down.on('mouseout touchleave touchend touchcancel', function(ev) {
if (!spinning) {
return;
}
ev.stopPropagation();
stopSpin();
});
elements.down.on('mousemove touchmove', function(ev) {
if (!spinning) {
return;
}
ev.stopPropagation();
ev.preventDefault();
});
elements.up.on('mousemove touchmove', function(ev) {
if (!spinning) {
return;
}
ev.stopPropagation();
ev.preventDefault();
});
$(document).on(_scopeEventNames(['mouseup', 'touchend', 'touchcancel'], _currentSpinnerId).join(' '), function(ev) {
if (!spinning) {
return;
}
ev.preventDefault();
stopSpin();
});
$(document).on(_scopeEventNames(['mousemove', 'touchmove', 'scroll', 'scrollstart'], _currentSpinnerId).join(' '), function(ev) {
if (!spinning) {
return;
}
ev.preventDefault();
stopSpin();
});
originalinput.on('mousewheel DOMMouseScroll', function(ev) {
if (!settings.mousewheel || !originalinput.is(':focus')) {
return;
}
var delta = ev.originalEvent.wheelDelta || -ev.originalEvent.deltaY || -ev.originalEvent.detail;
ev.stopPropagation();
ev.preventDefault();
if (delta < 0) {
downOnce();
}
else {
upOnce();
}
});
}
function _bindEventsInterface() {
originalinput.on('touchspin.uponce', function() {
stopSpin();
upOnce();
});
originalinput.on('touchspin.downonce', function() {
stopSpin();
downOnce();
});
originalinput.on('touchspin.startupspin', function() {
startUpSpin();
});
originalinput.on('touchspin.startdownspin', function() {
startDownSpin();
});
originalinput.on('touchspin.stopspin', function() {
stopSpin();
});
originalinput.on('touchspin.updatesettings', function(e, newsettings) {
changeSettings(newsettings);
});
}
function _forcestepdivisibility(value) {
switch (settings.forcestepdivisibility) {
case 'round':
return (Math.round(value / settings.step) * settings.step).toFixed(settings.decimals);
case 'floor':
return (Math.floor(value / settings.step) * settings.step).toFixed(settings.decimals);
case 'ceil':
return (Math.ceil(value / settings.step) * settings.step).toFixed(settings.decimals);
default:
return value;
}
}
function _checkValue() {
var val, parsedval, returnval;
val = originalinput.val();
if (val === '') {
return;
}
if (settings.decimals > 0 && val === '.') {
return;
}
parsedval = parseFloat(val);
if (isNaN(parsedval)) {
parsedval = 0;
}
returnval = parsedval;
if (parsedval.toString() !== val) {
returnval = parsedval;
}
if (parsedval < settings.min) {
returnval = settings.min;
}
if (parsedval > settings.max) {
returnval = settings.max;
}
returnval = _forcestepdivisibility(returnval);
if (Number(val).toString() !== returnval.toString()) {
originalinput.val(returnval);
originalinput.trigger('change');
}
}
function _getBoostedStep() {
if (!settings.booster) {
return settings.step;
}
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);
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