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bs-modal.js
282 lines
| 1 | /* ======================================================================== |
| 2 | * Bootstrap: modal.js v3.3.0 |
| 3 | * http://getbootstrap.com/javascript/#modals |
| 4 | * ======================================================================== |
| 5 | * Copyright 2011-2014 Twitter, Inc. |
| 6 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
| 7 | * ======================================================================== */ |
| 8 | |
| 9 | |
| 10 | +function ($) { |
| 11 | 'use strict'; |
| 12 | |
| 13 | // MODAL CLASS DEFINITION |
| 14 | // ====================== |
| 15 | |
| 16 | var Modal = function (element, options) { |
| 17 | this.options = options |
| 18 | this.$body = $(document.body) |
| 19 | this.$element = $(element) |
| 20 | this.$backdrop = |
| 21 | this.isShown = null |
| 22 | this.scrollbarWidth = 0 |
| 23 | |
| 24 | if (this.options.remote) { |
| 25 | this.$element |
| 26 | .find('.modal-content') |
| 27 | .load(this.options.remote, $.proxy(function () { |
| 28 | this.$element.trigger('loaded.bs.modal') |
| 29 | }, this)) |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | Modal.VERSION = '3.3.0' |
| 34 | |
| 35 | Modal.TRANSITION_DURATION = 300 |
| 36 | Modal.BACKDROP_TRANSITION_DURATION = 150 |
| 37 | |
| 38 | Modal.DEFAULTS = { |
| 39 | backdrop: true, |
| 40 | keyboard: true, |
| 41 | show: true |
| 42 | } |
| 43 | |
| 44 | Modal.prototype.toggle = function (_relatedTarget) { |
| 45 | return this.isShown ? this.hide() : this.show(_relatedTarget) |
| 46 | } |
| 47 | |
| 48 | Modal.prototype.show = function (_relatedTarget) { |
| 49 | var that = this |
| 50 | var e = $.Event('show.bs.modal', { relatedTarget: _relatedTarget }) |
| 51 | |
| 52 | this.$element.trigger(e) |
| 53 | |
| 54 | if (this.isShown || e.isDefaultPrevented()) return |
| 55 | |
| 56 | this.isShown = true |
| 57 | |
| 58 | this.checkScrollbar() |
| 59 | this.$body.addClass('modal-open') |
| 60 | |
| 61 | this.setScrollbar() |
| 62 | this.escape() |
| 63 | |
| 64 | this.$element.on('click.dismiss.bs.modal', '[data-dismiss="modal"]', $.proxy(this.hide, this)) |
| 65 | |
| 66 | this.backdrop(function () { |
| 67 | var transition = $.support.transition && that.$element.hasClass('fade') |
| 68 | |
| 69 | if (!that.$element.parent().length) { |
| 70 | that.$element.appendTo(that.$body) // don't move modals dom position |
| 71 | } |
| 72 | |
| 73 | that.$element |
| 74 | .show() |
| 75 | .scrollTop(0) |
| 76 | |
| 77 | if (transition) { |
| 78 | that.$element[0].offsetWidth // force reflow |
| 79 | } |
| 80 | |
| 81 | that.$element |
| 82 | .addClass('in') |
| 83 | .attr('aria-hidden', false) |
| 84 | |
| 85 | that.enforceFocus() |
| 86 | |
| 87 | var e = $.Event('shown.bs.modal', { relatedTarget: _relatedTarget }) |
| 88 | |
| 89 | transition ? |
| 90 | that.$element.find('.modal-dialog') // wait for modal to slide in |
| 91 | .one('bsTransitionEnd', function () { |
| 92 | that.$element.trigger('focus').trigger(e) |
| 93 | }) |
| 94 | .emulateTransitionEnd(Modal.TRANSITION_DURATION) : |
| 95 | that.$element.trigger('focus').trigger(e) |
| 96 | }) |
| 97 | } |
| 98 | |
| 99 | Modal.prototype.hide = function (e) { |
| 100 | if (e) e.preventDefault() |
| 101 | |
| 102 | e = $.Event('hide.bs.modal') |
| 103 | |
| 104 | this.$element.trigger(e) |
| 105 | |
| 106 | if (!this.isShown || e.isDefaultPrevented()) return |
| 107 | |
| 108 | this.isShown = false |
| 109 | |
| 110 | this.escape() |
| 111 | |
| 112 | $(document).off('focusin.bs.modal') |
| 113 | |
| 114 | this.$element |
| 115 | .removeClass('in') |
| 116 | .attr('aria-hidden', true) |
| 117 | .off('click.dismiss.bs.modal') |
| 118 | |
| 119 | $.support.transition && this.$element.hasClass('fade') ? |
| 120 | this.$element |
| 121 | .one('bsTransitionEnd', $.proxy(this.hideModal, this)) |
| 122 | .emulateTransitionEnd(Modal.TRANSITION_DURATION) : |
| 123 | this.hideModal() |
| 124 | } |
| 125 | |
| 126 | Modal.prototype.enforceFocus = function () { |
| 127 | $(document) |
| 128 | .off('focusin.bs.modal') // guard against infinite focus loop |
| 129 | .on('focusin.bs.modal', $.proxy(function (e) { |
| 130 | if (this.$element[0] !== e.target && !this.$element.has(e.target).length) { |
| 131 | this.$element.trigger('focus') |
| 132 | } |
| 133 | }, this)) |
| 134 | } |
| 135 | |
| 136 | Modal.prototype.escape = function () { |
| 137 | if (this.isShown && this.options.keyboard) { |
| 138 | this.$element.on('keydown.dismiss.bs.modal', $.proxy(function (e) { |
| 139 | e.which == 27 && this.hide() |
| 140 | }, this)) |
| 141 | } else if (!this.isShown) { |
| 142 | this.$element.off('keydown.dismiss.bs.modal') |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | Modal.prototype.hideModal = function () { |
| 147 | var that = this |
| 148 | this.$element.hide() |
| 149 | this.backdrop(function () { |
| 150 | that.$body.removeClass('modal-open') |
| 151 | that.resetScrollbar() |
| 152 | that.$element.trigger('hidden.bs.modal') |
| 153 | }) |
| 154 | } |
| 155 | |
| 156 | Modal.prototype.removeBackdrop = function () { |
| 157 | this.$backdrop && this.$backdrop.remove() |
| 158 | this.$backdrop = null |
| 159 | } |
| 160 | |
| 161 | Modal.prototype.backdrop = function (callback) { |
| 162 | var that = this |
| 163 | var animate = this.$element.hasClass('fade') ? 'fade' : '' |
| 164 | |
| 165 | if (this.isShown && this.options.backdrop) { |
| 166 | var doAnimate = $.support.transition && animate |
| 167 | |
| 168 | this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />') |
| 169 | .prependTo(this.$element) |
| 170 | .on('click.dismiss.bs.modal', $.proxy(function (e) { |
| 171 | if (e.target !== e.currentTarget) return |
| 172 | this.options.backdrop == 'static' |
| 173 | ? this.$element[0].focus.call(this.$element[0]) |
| 174 | : this.hide.call(this) |
| 175 | }, this)) |
| 176 | |
| 177 | if (doAnimate) this.$backdrop[0].offsetWidth // force reflow |
| 178 | |
| 179 | this.$backdrop.addClass('in') |
| 180 | |
| 181 | if (!callback) return |
| 182 | |
| 183 | doAnimate ? |
| 184 | this.$backdrop |
| 185 | .one('bsTransitionEnd', callback) |
| 186 | .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) : |
| 187 | callback() |
| 188 | |
| 189 | } else if (!this.isShown && this.$backdrop) { |
| 190 | this.$backdrop.removeClass('in') |
| 191 | |
| 192 | var callbackRemove = function () { |
| 193 | that.removeBackdrop() |
| 194 | callback && callback() |
| 195 | } |
| 196 | $.support.transition && this.$element.hasClass('fade') ? |
| 197 | this.$backdrop |
| 198 | .one('bsTransitionEnd', callbackRemove) |
| 199 | .emulateTransitionEnd(Modal.BACKDROP_TRANSITION_DURATION) : |
| 200 | callbackRemove() |
| 201 | |
| 202 | } else if (callback) { |
| 203 | callback() |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | Modal.prototype.checkScrollbar = function () { |
| 208 | this.scrollbarWidth = this.measureScrollbar() |
| 209 | } |
| 210 | |
| 211 | Modal.prototype.setScrollbar = function () { |
| 212 | var bodyPad = parseInt((this.$body.css('padding-right') || 0), 10) |
| 213 | if (this.scrollbarWidth) this.$body.css('padding-right', bodyPad + this.scrollbarWidth) |
| 214 | } |
| 215 | |
| 216 | Modal.prototype.resetScrollbar = function () { |
| 217 | this.$body.css('padding-right', '') |
| 218 | } |
| 219 | |
| 220 | Modal.prototype.measureScrollbar = function () { // thx walsh |
| 221 | if (document.body.clientWidth >= window.innerWidth) return 0 |
| 222 | var scrollDiv = document.createElement('div') |
| 223 | scrollDiv.className = 'modal-scrollbar-measure' |
| 224 | this.$body.append(scrollDiv) |
| 225 | var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth |
| 226 | this.$body[0].removeChild(scrollDiv) |
| 227 | return scrollbarWidth |
| 228 | } |
| 229 | |
| 230 | |
| 231 | // MODAL PLUGIN DEFINITION |
| 232 | // ======================= |
| 233 | |
| 234 | function Plugin(option, _relatedTarget) { |
| 235 | return this.each(function () { |
| 236 | var $this = $(this) |
| 237 | var data = $this.data('bs.modal') |
| 238 | var options = $.extend({}, Modal.DEFAULTS, $this.data(), typeof option == 'object' && option) |
| 239 | |
| 240 | if (!data) $this.data('bs.modal', (data = new Modal(this, options))) |
| 241 | if (typeof option == 'string') data[option](_relatedTarget) |
| 242 | else if (options.show) data.show(_relatedTarget) |
| 243 | }) |
| 244 | } |
| 245 | |
| 246 | var old = $.fn.modal |
| 247 | |
| 248 | $.fn.modal = Plugin |
| 249 | $.fn.modal.Constructor = Modal |
| 250 | |
| 251 | |
| 252 | // MODAL NO CONFLICT |
| 253 | // ================= |
| 254 | |
| 255 | $.fn.modal.noConflict = function () { |
| 256 | $.fn.modal = old |
| 257 | return this |
| 258 | } |
| 259 | |
| 260 | |
| 261 | // MODAL DATA-API |
| 262 | // ============== |
| 263 | |
| 264 | $(document).on('click.bs.modal.data-api', '[data-toggle="modal"]', function (e) { |
| 265 | var $this = $(this) |
| 266 | var href = $this.attr('href') |
| 267 | var $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) // strip for ie7 |
| 268 | var option = $target.data('bs.modal') ? 'toggle' : $.extend({ remote: !/#/.test(href) && href }, $target.data(), $this.data()) |
| 269 | |
| 270 | if ($this.is('a')) e.preventDefault() |
| 271 | |
| 272 | $target.one('show.bs.modal', function (showEvent) { |
| 273 | if (showEvent.isDefaultPrevented()) return // only register focus restorer if modal will actually get shown |
| 274 | $target.one('hidden.bs.modal', function () { |
| 275 | $this.is(':visible') && $this.trigger('focus') |
| 276 | }) |
| 277 | }) |
| 278 | Plugin.call($target, option, this) |
| 279 | }) |
| 280 | |
| 281 | }(jQuery); |
| 282 |