File: /var/www/lipovac/wp-content/plugins/js_composer/assets/lib/vc_carousel/js/vc_carousel.js
/* ========================================================================
* VC: carousel.js v0.4.5
* Fork Bootstrap: carousel.js v3.0.0
* http://twbs.github.com/bootstrap/javascript.html#carousel
* ========================================================================
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ======================================================================== */
;(function($) { "use strict";
// CAROUSEL CLASS DEFINITION
// =========================
var Carousel = function (element, options) {
this.$element = $(element)
this.$indicators = this.$element.find('.vc_carousel-indicators')
this.options = options
this.paused =
this.sliding =
this.interval =
this.$active =
this.$items = null
this.options.pause == 'hover' && this.$element
.on('mouseenter', $.proxy(this.pause, this))
.on('mouseleave', $.proxy(this.cycle, this))
this._build() // new
}
Carousel.DEFAULTS = {
mode: 'horizontal'
, partial: false
, interval: 5000
, pause: 'hover'
, wrap: false
, autoHeight: false
, perView: 1
}
Carousel.prototype.cycle = function (e) {
e || (this.paused = false)
this.interval && clearInterval(this.interval)
this.options.interval
&& !this.paused
&& (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
this.touch_start_position = 0;
return this
}
Carousel.prototype.getActiveIndex = function () {
this.$active = this.$element.find('.vc_item.vc_active')
if(!this.$active.length) this.$active = this.$element.find('.vc_item:first').addClass('vc_active')
this.$items = this.$active.parent().children()
return this.$items.index(this.$active)
}
Carousel.prototype.showHideControl = function(index) {
if(typeof index === 'undefined') var index = this.getActiveIndex()
this.$left_control[index===0 ? 'hide' : 'show']()
this.$right_control[index===this.items_count-1 ? 'hide' : 'show']()
}
Carousel.prototype.to = function (pos) {
var that = this
var activeIndex = this.getActiveIndex()
if (pos > (this.$items.length - 1) || pos < 0) return
if (this.sliding) return this.$element.one('slid', function () { that.to(pos) })
if (activeIndex == pos) return this.pause().cycle()
return this.slide(pos > activeIndex ? 'next' : 'prev', $(this.$items[pos]))
}
Carousel.prototype.pause = function (e) {
e || (this.paused = true)
if (this.$element.find('.vc_right.vc_carousel-control, .vc_left.vc_carousel-control').length && $.support.transition.end) {
this.$element.trigger($.support.transition.end)
this.cycle(true)
}
this.interval = clearInterval(this.interval)
return this
}
Carousel.prototype.next = function () {
if (this.sliding) return
return this.slide('next')
}
Carousel.prototype.prev = function () {
if (this.sliding) return
return this.slide('prev')
}
Carousel.prototype.slide = function (type, next) {
var $active = this.$element.find('.vc_item.vc_active')
var $next = next || $active[type]()
var isCycling = this.interval
var direction = type == 'next' ? 'vc_left' : 'vc_right'
var fallback = type == 'next' ? 'first' : 'last'
var that = this
if (!$next.length) {
if (!this.options.wrap) {
this.returnSwipedSlide()
return
}
$next = this.$element.find('.vc_item')[fallback]()
}
this.sliding = true
isCycling && this.pause()
var e = $.Event('slide.vc.carousel', { relatedTarget: $next[0], direction: direction })
if ($next.hasClass('vc_active')) return
if (this.$indicators.length) {
this.$indicators.find('.vc_active').removeClass('vc_active')
this.$indicators.find('.vc_partial').removeClass('vc_partial')
this.$element.one('slid', function () {
var index = that.getActiveIndex(),
$nextIndicator = $(that.$indicators.children().slice(index, that.getActiveIndex() + that.options.perView))
$nextIndicator && $nextIndicator.addClass('vc_active')
that.options.partial && $nextIndicator && (index+1 < that.items_count ? $nextIndicator.last().next().addClass('vc_partial') : $nextIndicator.first().prev().addClass('vc_partial'))
!that.options.wrap && that.showHideControl(index)
})
}
this.current_index = $next.index()
if(this.current_index > this.items_count) {
this.current_index = 0
} else if(this.current_index < 0) {
this.current_index = this.items_count -1
}
if(this.options.autoHeight) {
this.current_pos_value = -1 * this._step * this.current_index
} else {
this.current_pos_value = -1 * $next.position()[this.animation_position]
}
if(this.options.partial && this.current_index >= this.items_count-1) {
this.current_pos_value += this._step*(1-this.partial_part)
}
if ($.support.transition && this.$element.hasClass('vc_slide')) {
this.$element.trigger(e)
if (e.isDefaultPrevented()) return
this.$slideline_inner
.addClass('vc_transition')
.css(this.animation_position, this.current_pos_value + that.pos_units)
if(!this.options.autoHeight) this.recalculateSlidelineHeight($next.height(), true)
this.$slideline_inner.one($.support.transition.end, function(){
$next.addClass('vc_active')
$active.removeClass('vc_active')
that.$slideline_inner.removeClass([type, 'vc_transition'].join(' '))
that.sliding = false
that.removeSwipeAnimationSpeed()
setTimeout(function () { that.$element.trigger('slid') }, 0)
}).emulateTransitionEnd(this.transition_speed)
} else {
this.$element.trigger(e)
if (e.isDefaultPrevented()) return
$active.removeClass('vc_active')
$next.addClass('vc_active')
this.sliding = false
this.$slideline_inner.css(this.animation_position, this.current_pos_value + that.pos_units)
}
isCycling && this.cycle()
return this
}
Carousel.prototype.setSwipeAnimationSpeed = function() {
this.$slideline_inner.addClass('vc_swipe-transition')
}
Carousel.prototype.removeSwipeAnimationSpeed = function() {
this.$slideline_inner.removeClass('vc_swipe-transition')
}
/**
* Velocity
* @param {Number} delta_time
* @param {Number} delta_x
* @param {Number} delta_y
* @returns {Object} velocity
*/
Carousel.prototype.velocity = function(time, x) {
return {
x: Math.abs(x / time) || 0
}
}
Carousel.prototype.recalculateSlidelineHeight = function(height, animate) {
if(animate === true) {
this.$slideline.animate({height: height})
} else {
this.$slideline.height(height)
}
}
/**
* Change layout size after resizing of window.
*/
Carousel.prototype.resizeAction = function() {
var max_height = 0,
new_slideline_height = 0
if(this.options.mode === 'horizontal') {
this.el_effect_size = this.$element.width() * ( this.options.partial ? this.partial_part : 1 )
this.$slideline.width(this.items_count*this.el_effect_size)
}
if (this.options.autoHeight) {
this.$items.height('auto')
this.$items.each(function(){
var item_height = $(this).height()
if(item_height > max_height) max_height = item_height
})
this.$items.height(max_height)
} else {
this.recalculateSlidelineHeight(this.$active.height())
}
if(this.options.mode === 'vertical') {
this._step = this.$active.height()
new_slideline_height = this.$active.height() * this.options.perView * (this.options.partial ? (1 + 1-this.partial_part) : 1)
this.recalculateSlidelineHeight(new_slideline_height, false)
this.$slideline_inner.css({top: -1 * this.$active.position().top})
this.el_effect_size = this._step
}
}
Carousel.prototype.returnSwipedSlide = function() {
var params = {}
params[this.animation_position] = this.current_pos_value + this.pos_units
this.$slideline_inner.animate(params)
}
Carousel.prototype._build = function() {
var el = this.$element.get(0),
_touch_start_position = false,
_touch_start_time = 0,
_pos_before_touch = 0,
_diff = 0,
_moved = false,
that = this,
mode = this.options.mode
this.getActiveIndex()
this.el_width = 0
this.items_count = this.$items.length
this.$slideline = this.$element.find('.vc_carousel-slideline')
this.$slideline_inner = this.$slideline.find('> div')
this.slideline_inner = this.$slideline_inner.get(0)
this.partial_part = 0.8
this._slide_width = 0
this.swipe_velocity = 0.7
this.current_pos_value = 0
this.current_index = 0 // TODO: default start position by options
this.el_effect_size = 0
this.transition_speed = 600
this.$left_control = this.$element.find('.vc_left.vc_carousel-control')
this.$right_control = this.$element.find('.vc_right.vc_carousel-control')
// Enable autoHeight if partial
if(this.options.partial) this.options.autoHeight = true
// Add Css classes for perView > 1
if(this.options.perView > 1) this.$element.addClass('vc_per-view-more vc_per-view-' + this.options.perView)
if( mode === 'horizontal') {
this.pos_units = '%'
this._step = 100.00/this.items_count/this.options.perView
this.animation_position = 'left'
this.$items.width(this._step + this.pos_units)
this.touch_direction = 'pageX'
} else {
this.pos_units = 'px'
this.animation_position = 'top'
this.touch_direction = 'pageY'
this.$element.addClass('vc_carousel_vertical')
}
// Hide first control if this.current_index === 0
!that.options.wrap && this.showHideControl()
// Add partial css class if partial
if(this.options.partial) this.$element.addClass('vc_partial')
// Set indicator
if(this.$indicators.length) {
var $active_indecators = that.$indicators.children()
.slice(this.current_index, this.current_index + this.options.perView)
.addClass('vc_active')
this.options.partial && $active_indecators.last().next().addClass('vc_partial')
}
$(window).resize(this.resizeAction.bind(this)); this.resizeAction()
el.addEventListener("touchstart", function(e){
_touch_start_position = parseFloat(e[that.touch_direction])
_touch_start_time = e.timeStamp
_pos_before_touch = that.$slideline_inner.position()[that.animation_position]
}.bind(this), false)
el.addEventListener('touchmove', function(e){
_diff = parseFloat(e[that.touch_direction]) - _touch_start_position
_moved = Math.abs(_diff) > 0
if(!_moved) return true
e.preventDefault()
that.slideline_inner.style[that.animation_position] = (_pos_before_touch + _diff) + 'px'
}, false)
el.addEventListener('touchend', function(e){
var time,part,velocity
if(_moved) {
time= (e.timeStamp-_touch_start_time)/1000
part = _diff/ that.el_effect_size
velocity = that.velocity(time, part)
if((velocity.x > that.swipe_velocity && part < 0) || part <= -0.7) {
that.setSwipeAnimationSpeed()
that.next()
} else if(velocity.x > that.swipe_velocity || part >= 0.7) {
that.setSwipeAnimationSpeed()
that.prev()
} else {
that.returnSwipedSlide()
}
_moved = false
}
}, false)
this.$element.addClass('vc_build')
return this
}
// CAROUSEL PLUGIN DEFINITION
// ==========================
var old = $.fn.carousel
$.fn.carousel = function (option, value) {
return this.each(function () {
var $this = $(this)
var data = $this.data('vc.carousel')
var options = $.extend({}, Carousel.DEFAULTS, $this.data(), typeof option == 'object' && option)
var action = typeof option == 'string' ? option : options.slide
if (!data) $this.data('vc.carousel', (data = new Carousel(this, options)))
if (typeof option == 'number') data.to(option)
else if (action) data[action](value)
else if (options.interval) data.pause().cycle()
})
}
$.fn.carousel.Constructor = Carousel
// CAROUSEL NO CONFLICT
// ====================
$.fn.carousel.noConflict = function () {
$.fn.carousel = old
return this
}
// CAROUSEL DATA-API
// =================
$(document).off('click.vc.carousel.data-api').on('click.vc.carousel.data-api', '[data-slide], [data-slide-to]', function (e) {
var $this = $(this), href
var $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
var options = $.extend({}, $target.data(), $this.data())
var slideIndex = $this.attr('data-slide-to')
if (slideIndex) options.interval = false
$target.carousel(options)
if (slideIndex = $this.attr('data-slide-to')) {
$target.data('vc.carousel').to(slideIndex)
}
e.preventDefault()
})
$(window).on('load', function () {
$('[data-ride="vc_carousel"]').each(function () {
var $carousel = $(this)
$carousel.carousel($carousel.data())
})
})
})(window.jQuery);