mirror of
https://github.com/twbs/bootstrap.git
synced 2022-11-09 12:25:43 -05:00
324 lines
9.1 KiB
JavaScript
324 lines
9.1 KiB
JavaScript
/* ========================================================================
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* Bootstrap: modal.js v3.3.2
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* http://getbootstrap.com/javascript/#modals
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* ========================================================================
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* Copyright 2011-2015 Twitter, Inc.
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* ======================================================================== */
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+function ($) {
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'use strict';
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// MODAL CLASS DEFINITION
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// ======================
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var Modal = function (element, options) {
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this.options = options
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this.$body = $(document.body)
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this.$element = $(element)
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this.$backdrop =
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this.isShown = null
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this.scrollbarWidth = 0
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if (this.options.remote) {
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this.$element
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.find('.modal-content')
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.load(this.options.remote, $.proxy(function () {
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this.$element.trigger('loaded.bs.modal')
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}, this))
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}
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}
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Modal.VERSION = '3.3.2'
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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 that = this
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var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
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this.$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.$body.addClass('modal-open')
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this.escape()
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this.resize()
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this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))
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this.backdrop(function () {
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var transition = $.support.transition && that.$element.hasClass('fade')
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if (!that.$element.parent().length) {
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that.$element.appendTo(that.$body) // don't move modals dom position
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}
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that.$element
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.show()
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.scrollTop(0)
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if (that.options.backdrop) that.adjustBackdrop()
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that.adjustDialog()
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if (transition) {
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that.$element[0].offsetWidth // force reflow
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}
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that.$element
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.addClass('in')
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.attr('aria-hidden', false)
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that.enforceFocus()
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var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget })
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transition ?
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that.$element.find('.modal-dialog') // wait for modal to slide in
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.one('bsTransitionEnd', function () {
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that.$element.trigger('focus').trigger(e)
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})
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.emulateTransitionEnd(Modal.TRANSITION_DURATION) :
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that.$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 = $.Event('hide.bs.modal')
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this.$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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$(document).off('focusin.bs.modal')
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this.$element
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.removeClass('in')
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.attr('aria-hidden', true)
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.off('click.dismiss.bs.modal')
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$.support.transition && this.$element.hasClass('fade') ?
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this.$element
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.one('bsTransitionEnd', $.proxy(this.hideModal, this))
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.emulateTransitionEnd(Modal.TRANSITION_DURATION) :
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this.hideModal()
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}
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Modal.prototype.enforceFocus = function () {
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$(document)
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.off('focusin.bs.modal') // guard against infinite focus loop
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.on('focusin.bs.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.bs.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.bs.modal')
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}
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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.bs.modal', $.proxy(this.handleUpdate, this))
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} else {
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$(window).off('resize.bs.modal')
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}
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}
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Modal.prototype.hideModal = function () {
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var that = this
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this.$element.hide()
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this.backdrop(function () {
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that.$body.removeClass('modal-open')
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that.resetAdjustments()
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that.resetScrollbar()
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that.$element.trigger('hidden.bs.modal')
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})
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}
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Modal.prototype.removeBackdrop = function () {
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this.$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 that = 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 = $('<div class="modal-backdrop ' + animate + '" />')
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.prependTo(this.$element)
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.on('click.dismiss.bs.modal', $.proxy(function (e) {
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if (e.target !== e.currentTarget) return
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this.options.backdrop == 'static'
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? this.$element[0].focus.call(this.$element[0])
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: this.hide.call(this)
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}, this))
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if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
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this.$backdrop.addClass('in')
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if (!callback) return
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doAnimate ?
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this.$backdrop
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.one('bsTransitionEnd', 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')
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var callbackRemove = function () {
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that.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.$backdrop
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.one('bsTransitionEnd', callbackRemove)
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.emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) :
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callbackRemove()
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} else if (callback) {
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callback()
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}
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}
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// these following methods are used to handle overflowing modals
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Modal.prototype.handleUpdate = function () {
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if (this.options.backdrop) this.adjustBackdrop()
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this.adjustDialog()
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}
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Modal.prototype.adjustBackdrop = function () {
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this.$backdrop
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.css('height', 0)
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.css('height', this.$element[0].scrollHeight)
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}
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Modal.prototype.adjustDialog = function () {
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var modalIsOverflowing = this.$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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this.bodyIsOverflowing = document.body.scrollHeight > document.documentElement.clientHeight
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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.$body.css('padding-right') || 0), 10)
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if (this.bodyIsOverflowing) this.$body.css('padding-right', bodyPad + this.scrollbarWidth)
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}
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Modal.prototype.resetScrollbar = function () {
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this.$body.css('padding-right', '')
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}
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Modal.prototype.measureScrollbar = function () { // thx walsh
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var scrollDiv = document.createElement('div')
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scrollDiv.className = 'modal-scrollbar-measure'
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this.$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('bs.modal')
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var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option)
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if (!data) $this.data('bs.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.modal = Plugin
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$.fn.modal.Constructor = Modal
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// MODAL NO CONFLICT
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// =================
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$.fn.modal.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.bs.modal.data-api', '[data-toggle="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('bs.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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$target.one('show.bs.modal', function (showEvent) {
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if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown
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$target.one('hidden.bs.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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}(jQuery);
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