modal.js 6.5KB

    /* ======================================================================== * 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 ($) { 'use strict'; // MODAL CLASS DEFINITION // ====================== var Modal = function (element, options) { this.options = options this.$element = $(element) this.$backdrop = this.isShown = null if (this.options.remote) { this.$element .find('.modal-content') .load(this.options.remote, $.proxy(function () { this.$element.trigger('loaded.bs.modal') }, this)) } } Modal.DEFAULTS = { backdrop: true, keyboard: true, show: true } Modal.prototype.toggle = function (_relatedTarget) { return this[!this.isShown ? 'show' : 'hide'](_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.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.$element.parent().length) { that.$element.appendTo(document.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($.support.transition.end, function () { that.$element.focus().trigger(e) }) .emulateTransitionEnd(300) : that.$element.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.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.$element .one($.support.transition.end, $.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.focus() } }, this)) } Modal.prototype.escape = function () { 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.$element.hide() this.backdrop(function () { that.removeBackdrop() that.$element.trigger('hidden.bs.modal') }) } Modal.prototype.removeBackdrop = function () { this.$backdrop && this.$backdrop.remove() this.$backdrop = null } Modal.prototype.backdrop = function (callback) { var animate = this.$element.hasClass('fade') ? 'fade' : '' if (this.isShown && this.options.backdrop) { var doAnimate = $.support.transition && animate this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />') .appendTo(document.body) this.$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($.support.transition.end, callback) .emulateTransitionEnd(150) : callback() } else if (!this.isShown && this.$backdrop) { this.$backdrop.removeClass('in') $.support.transition && this.$element.hasClass('fade') ? this.$backdrop .one($.support.transition.end, callback) .emulateTransitionEnd(150) : callback() } else if (callback) { callback() } } // MODAL PLUGIN DEFINITION // ======================= var old = $.fn.modal $.fn.modal = function (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) }) } $.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 .modal(option, this) .one('hide', function () { $this.is(':visible') && $this.focus() }) }) $(document) .on('show.bs.modal', '.modal', function () { $(document.body).addClass('modal-open') }) .on('hidden.bs.modal', '.modal', function () { $(document.body).removeClass('modal-open') }) }(jQuery);