334 lines
9.4 KiB
JavaScript
Vendored
334 lines
9.4 KiB
JavaScript
Vendored
/**
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* @name jQuery xeModal plugin
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* */
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;(function ($) {
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// MODAL CLASS DEFINITION
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// ======================
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var Modal = function (element, options) {
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this.options = options
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this.$body = $(document.body)
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this.$element = $(element)
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this.$dialog = this.$element.find('.xe-modal-dialog')
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this.$backdrop = null
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this.isShown = null
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this.originalBodyPad = null
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this.scrollbarWidth = 0
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this.ignoreBackdropClick = false
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if (this.options.remote) {
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this.$element
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.find('.xe-modal-content')
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.load(this.options.remote, $.proxy(function () {
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this.$element.trigger('loaded.xe.modal')
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}, this))
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}
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}
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Modal.VERSION = '3.3.6'
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Modal.TRANSITION_DURATION = 300
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Modal.BACKDROP_TRANSITION_DURATION = 150
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Modal.DEFAULTS = {
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backdrop: true,
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keyboard: true,
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show: true
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}
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Modal.prototype.toggle = function (_relatedTarget) {
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return this.isShown ? this.hide() : this.show(_relatedTarget)
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}
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Modal.prototype.show = function (_relatedTarget) {
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var _this = this
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var e = $.Event('show.xe.modal', { relatedTarget: _relatedTarget })
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this.$element.trigger(e)
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if (this.isShown || e.isDefaultPrevented()) return
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this.isShown = true
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this.checkScrollbar()
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this.setScrollbar()
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this.$body.addClass('xe-modal-open')
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this.escape()
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this.resize()
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this.$element.on('click.dismiss.xe.modal', '[data-dismiss="xe-modal"]', $.proxy(this.hide, this))
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this.$dialog.on('mousedown.dismiss.xe.modal', function () {
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_this.$element.one('mouseup.dismiss.xe.modal', function (e) {
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if ($(e.target).is(_this.$element)) _this.ignoreBackdropClick = true
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})
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})
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this.backdrop(function () {
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var transition = $.support.transition && _this.$element.hasClass('fade')
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if (!_this.$element.parent().length) {
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_this.$element.appendTo(_this.$body) // don't move modals dom position
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}
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_this.$element
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.show()
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.scrollTop(0)
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_this.adjustDialog()
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if (transition) {
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_this.$element[0].offsetWidth // force reflow
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}
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_this.$element.addClass('in show')
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_this.enforceFocus()
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var e = $.Event('shown.xe.modal', { relatedTarget: _relatedTarget })
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transition
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? _this.$dialog // wait for modal to slide in
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.one('xeTransitionEnd', function () {
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_this.$element.trigger('focus').trigger(e)
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})
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.emulateTransitionEnd(Modal.TRANSITION_DURATION)
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: _this.$element.trigger('focus').trigger(e)
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})
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}
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Modal.prototype.hide = function (e) {
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if (e) e.preventDefault()
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e = $.Event('hide.xe.modal')
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this.$element.trigger(e)
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if (!this.isShown || e.isDefaultPrevented()) return
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this.isShown = false
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this.escape()
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this.resize()
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$(document).off('focusin.xe.modal')
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this.$element
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.removeClass('in show')
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.off('click.dismiss.xe.modal')
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.off('mouseup.dismiss.xe.modal')
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this.$dialog.off('mousedown.dismiss.xe.modal')
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if ($.support.transition && this.$element.hasClass('fade')) {
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this.$element
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// .one('xeTransitionEnd', $.proxy(this.hideModal, this))
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.emulateTransitionEnd(Modal.TRANSITION_DURATION)
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this.hideModal()
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} else {
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this.hideModal()
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}
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}
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Modal.prototype.enforceFocus = function () {
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$(document)
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.off('focusin.xe.modal') // guard against infinite focus loop
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.on('focusin.xe.modal', $.proxy(function (e) {
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if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
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this.$element.trigger('focus')
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}
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}, this))
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}
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Modal.prototype.escape = function () {
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if (this.isShown && this.options.keyboard) {
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this.$element.on('keydown.dismiss.xe.modal', $.proxy(function (e) {
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e.which == 27 && this.hide()
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}, this))
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} else if (!this.isShown) {
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this.$element.off('keydown.dismiss.xe.modal')
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}
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this.removeBackdrop()
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// this.hideModal()
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}
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Modal.prototype.resize = function () {
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if (this.isShown) {
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$(window).on('resize.xe.modal', $.proxy(this.handleUpdate, this))
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} else {
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$(window).off('resize.xe.modal')
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}
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}
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Modal.prototype.hideModal = function () {
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var _this = this
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this.$element.hide()
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this.backdrop(function () {
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_this.$body.removeClass('xe-modal-open')
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_this.resetAdjustments()
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_this.resetScrollbar()
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_this.$element.trigger('hidden.xe.modal')
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})
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}
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Modal.prototype.removeBackdrop = function () {
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this.$backdrop && this.$backdrop.remove()
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this.$backdrop = null
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}
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Modal.prototype.backdrop = function (callback) {
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var _this = this
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var animate = this.$element.hasClass('fade') ? 'fade' : ''
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if (this.isShown && this.options.backdrop) {
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var doAnimate = $.support.transition && animate
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this.$backdrop = $(document.createElement('div'))
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.addClass('xe-modal-backdrop fade ' + animate)
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.appendTo(this.$body)
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this.$element.on('click.dismiss.xe.modal', $.proxy(function (e) {
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if (this.ignoreBackdropClick) {
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this.ignoreBackdropClick = false
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return
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}
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if (e.target !== e.currentTarget) return
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this.options.backdrop == 'static'
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? this.$element[0].focus()
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: this.hide()
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}, this))
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if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
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this.$backdrop.addClass('in show')
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if (!callback) return
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doAnimate
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? this.$backdrop
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.one('xeTransitionEnd', callback)
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.emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION)
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: callback()
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} else if (!this.isShown && this.$backdrop) {
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this.$backdrop.removeClass('in show')
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var callbackRemove = function () {
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_this.removeBackdrop()
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callback && callback()
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}
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$.support.transition && this.$element.hasClass('fade')
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? this.$backdrop
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.one('xeTransitionEnd', callbackRemove)
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.emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION)
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: callbackRemove()
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} else if (callback) {
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callback()
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}
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}
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// these following methods are used to handle overflowing modals
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Modal.prototype.handleUpdate = function () {
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this.adjustDialog()
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}
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Modal.prototype.adjustDialog = function () {
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var modalIsOverflowing = this.$element[0].scrollHeight > document.documentElement.clientHeight
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this.$element.css({
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paddingLeft: !this.bodyIsOverflowing && modalIsOverflowing ? this.scrollbarWidth : '',
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paddingRight: this.bodyIsOverflowing && !modalIsOverflowing ? this.scrollbarWidth : ''
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})
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}
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Modal.prototype.resetAdjustments = function () {
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this.$element.css({
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paddingLeft: '',
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paddingRight: ''
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})
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}
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Modal.prototype.checkScrollbar = function () {
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var fullWindowWidth = window.innerWidth
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if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
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var documentElementRect = document.documentElement.getBoundingClientRect()
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fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left)
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}
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this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth
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this.scrollbarWidth = this.measureScrollbar()
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}
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Modal.prototype.setScrollbar = function () {
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var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10)
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this.originalBodyPad = document.body.style.paddingRight || ''
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if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
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}
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Modal.prototype.resetScrollbar = function () {
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this.$body.css('padding-right', this.originalBodyPad)
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}
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Modal.prototype.measureScrollbar = function () { // thx walsh
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var scrollDiv = document.createElement('div')
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scrollDiv.className = 'xe-modal-scrollbar-measure'
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this.$body.append(scrollDiv)
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var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
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this.$body[0].removeChild(scrollDiv)
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return scrollbarWidth
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}
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// MODAL PLUGIN DEFINITION
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// =======================
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function Plugin (option, _relatedTarget) {
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return this.each(function () {
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var $this = $(this)
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var data = $this.data('xe.modal')
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var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option === 'object' && option)
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if (!data) $this.data('xe.modal', (data = new Modal(this, options)))
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if (typeof option === 'string') data[option](_relatedTarget)
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else if (options.show) data.show(_relatedTarget)
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})
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}
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var old = $.fn.modal
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$.fn.xeModal = Plugin
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$.fn.xeModal.Constructor = Modal
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// MODAL NO CONFLICT
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// =================
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$.fn.xeModal.noConflict = function () {
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$.fn.modal = old
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return this
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}
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// MODAL DATA-API
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// ==============
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$(document).on('click.xe.modal.data-api', '[data-toggle="xe-modal"]', function (e) {
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var $this = $(this)
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var href = $this.attr('href')
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var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7
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var option = $target.data('xe.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data())
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if ($this.is('a')) e.preventDefault()
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$target.one('show.xe.modal', function (showEvent) {
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if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
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$target.one('hidden.xe.modal', function () {
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$this.is(':visible') && $this.trigger('focus')
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})
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})
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Plugin.call($target, option, this)
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})
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})(window.jQuery)
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