modal.js 8.33 KiB
/* ========================================================================
 * Bootstrap: modal.js v3.1.1
 * http://getbootstrap.com/javascript/#modals
 * ========================================================================
 * Copyright 2011-2014 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * ======================================================================== */
+function () { 'use strict';
  (function (o_o) {
    typeof define  == 'function' && define.amd ? define(['jquery'], o_o) :
    typeof exports == 'object' ? o_o(require('jquery')) : o_o(jQuery)
  })(function ($) {
    // MODAL CLASS DEFINITION
    // ======================
    var Modal = function (element, options) {
      this.options        = options
      this.$body          = $(document.body)
      this.$element       = $(element)
      this.$backdrop      =
      this.isShown        = null
      this.scrollbarWidth = 0
      if (this.options.remote) {
        this.$element
          .find('.modal-content')
          .load(this.options.remote, $.proxy(function () {
            this.$element.trigger('loaded.bs.modal')
          }, this))
    Modal.VERSION  = '3.1.1'
    Modal.DEFAULTS = {
      backdrop: true,
      keyboard: true,
      show: true
    Modal.prototype.toggle = function (_relatedTarget) {
      return this.isShown ? this.hide() : this.show(_relatedTarget)
    Modal.prototype.show = function (_relatedTarget) {
      var that = this
      var e    = $.Event('show.bs.modal', { relatedTarget: _relatedTarget })
      this.$element.trigger(e)
      if (this.isShown || e.isDefaultPrevented()) return
      this.isShown = true
      this.checkScrollbar()
      this.$body.addClass('modal-open')
      this.setScrollbar()
      this.escape()
      this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this))
      this.backdrop(function () {
        var transition = $.support.transition && that.$element.hasClass('fade')
        if (!that.$element.parent().length) {
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that.$element.appendTo(that.$body) // don't move modals dom position } that.$element .show() .scrollTop(0) if (transition) { that.$element[0].offsetWidth // force reflow } that.$element .addClass('in') .attr('aria-hidden', false) that.enforceFocus() var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget }) transition ? that.$element.find('.modal-dialog') // wait for modal to slide in .one('bsTransitionEnd', function () { that.$element.trigger('focus').trigger(e) }) .emulateTransitionEnd(300) : that.$element.trigger('focus').trigger(e) }) } Modal.prototype.hide = function (e) { if (e) e.preventDefault() e = $.Event('hide.bs.modal') this.$element.trigger(e) if (!this.isShown || e.isDefaultPrevented()) return this.isShown = false this.$body.removeClass('modal-open') this.resetScrollbar() this.escape() $(document).off('focusin.bs.modal') this.$element .removeClass('in') .attr('aria-hidden', true) .off('click.dismiss.bs.modal') $.support.transition && this.$element.hasClass('fade') ? this.$element .one('bsTransitionEnd', $.proxy(this.hideModal, this)) .emulateTransitionEnd(300) : this.hideModal() } Modal.prototype.enforceFocus = function () { $(document) .off('focusin.bs.modal') // guard against infinite focus loop .on('focusin.bs.modal', $.proxy(function (e) { if (this.$element[0] !== e.target && !this.$element.has(e.target).length) { this.$element.trigger('focus') } }, this)) } Modal.prototype.escape = function () {
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if (this.isShown && this.options.keyboard) { this.$element.on('keyup.dismiss.bs.modal', $.proxy(function (e) { e.which == 27 && this.hide() }, this)) } else if (!this.isShown) { this.$element.off('keyup.dismiss.bs.modal') } } Modal.prototype.hideModal = function () { var that = this this.$element.hide() this.backdrop(function () { that.$element.trigger('hidden.bs.modal') }) } Modal.prototype.removeBackdrop = function () { this.$backdrop && this.$backdrop.remove() this.$backdrop = null } Modal.prototype.backdrop = function (callback) { var that = this var animate = this.$element.hasClass('fade') ? 'fade' : '' if (this.isShown && this.options.backdrop) { var doAnimate = $.support.transition && animate this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />') .appendTo(this.$body) this.$element.on('click.dismiss.bs.modal', $.proxy(function (e) { if (e.target !== e.currentTarget) return this.options.backdrop == 'static' ? this.$element[0].focus.call(this.$element[0]) : this.hide.call(this) }, this)) if (doAnimate) this.$backdrop[0].offsetWidth // force reflow this.$backdrop.addClass('in') if (!callback) return doAnimate ? this.$backdrop .one('bsTransitionEnd', callback) .emulateTransitionEnd(150) : callback() } else if (!this.isShown && this.$backdrop) { this.$backdrop.removeClass('in') var callbackRemove = function () { that.removeBackdrop() callback && callback() } $.support.transition && this.$element.hasClass('fade') ? this.$backdrop .one('bsTransitionEnd', callbackRemove) .emulateTransitionEnd(150) : callbackRemove() } else if (callback) { callback() } } Modal.prototype.checkScrollbar = function () {
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if (document.body.clientWidth >= window.innerWidth) return this.scrollbarWidth = this.scrollbarWidth || this.measureScrollbar() } Modal.prototype.setScrollbar = function () { var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10) if (this.scrollbarWidth) this.$body.css('padding-right', bodyPad + this.scrollbarWidth) } Modal.prototype.resetScrollbar = function () { this.$body.css('padding-right', '') } Modal.prototype.measureScrollbar = function () { // thx walsh var scrollDiv = document.createElement('div') scrollDiv.className = 'modal-scrollbar-measure' this.$body.append(scrollDiv) var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth this.$body[0].removeChild(scrollDiv) return scrollbarWidth } // MODAL PLUGIN DEFINITION // ======================= function Plugin(option, _relatedTarget) { return this.each(function () { var $this = $(this) var data = $this.data('bs.modal') var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option) if (!data) $this.data('bs.modal', (data = new Modal(this, options))) if (typeof option == 'string') data[option](_relatedTarget) else if (options.show) data.show(_relatedTarget) }) } var old = $.fn.modal $.fn.modal = Plugin $.fn.modal.Constructor = Modal // MODAL NO CONFLICT // ================= $.fn.modal.noConflict = function () { $.fn.modal = old return this } // MODAL DATA-API // ============== $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) { var $this = $(this) var href = $this.attr('href') var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7 var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data()) if ($this.is('a')) e.preventDefault() $target.one('show.bs.modal', function (showEvent) { if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown $target.one('hidden.bs.modal', function () { $this.is(':visible') && $this.trigger('focus') }) })
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Plugin.call($target, option, this) }) }) }();