modal.js 6.78 KiB
/* ========================================================================
 * Bootstrap: modal.js v3.0.0
 * http://twbs.github.com/bootstrap/javascript.html#modals
 * ========================================================================
 * 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 ($) { "use strict";
  // MODAL CLASS DEFINITION
  // ======================
  var Modal = function (element, options) {
    this.options   = options
    this.$element  = $(element)
    this.$backdrop =
    this.isShown   = null
    if (this.options.remote) this.$element.load(this.options.remote)
  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.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.$element.show()
      if (transition) {
        that.$element[0].offsetWidth // force reflow
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that.$element .addClass('in') .attr('aria-hidden', false) that.enforceFocus() var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget }) transition ? that.$element .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.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.$element.hide() this.backdrop(function () {
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that.removeBackdrop() that.$element.trigger('hidden.bs.modal') }) } Modal.prototype.removeBackdrop = function () { this.$backdrop && this.$backdrop.remove() this.$backdrop = null } Modal.prototype.backdrop = function (callback) { var that = this var animate = this.$element.hasClass('fade') ? 'fade' : '' if (this.isShown && this.options.backdrop) { var doAnimate = $.support.transition && animate this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />') .appendTo(document.body) this.$element.on('click.dismiss.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) $this.data('bs.modal', (data = new Modal(this, options))) if (typeof option == 'string') data[option](_relatedTarget) else if (options.show) data.show(_relatedTarget) }) }
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$.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('modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data()) 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') }) }(window.jQuery);