1/* ======================================================================== 2 * Bootstrap: tooltip.js v3.3.1 3 * http://getbootstrap.com/javascript/#tooltip 4 * Inspired by the original jQuery.tipsy by Jason Frame 5 * ======================================================================== 6 * Copyright 2011-2014 Twitter, Inc. 7 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) 8 * ======================================================================== */ 9 10 11+function ($) { 12 'use strict'; 13 14 // TOOLTIP PUBLIC CLASS DEFINITION 15 // =============================== 16 17 var Tooltip = function (element, options) { 18 this.type = 19 this.options = 20 this.enabled = 21 this.timeout = 22 this.hoverState = 23 this.$element = null 24 25 this.init('tooltip', element, options) 26 } 27 28 Tooltip.VERSION = '3.3.1' 29 30 Tooltip.TRANSITION_DURATION = 150 31 32 Tooltip.DEFAULTS = { 33 animation: true, 34 placement: 'top', 35 selector: false, 36 template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>', 37 trigger: 'hover focus', 38 title: '', 39 delay: 0, 40 html: false, 41 container: false, 42 viewport: { 43 selector: 'body', 44 padding: 0 45 } 46 } 47 48 Tooltip.prototype.init = function (type, element, options) { 49 this.enabled = true 50 this.type = type 51 this.$element = $(element) 52 this.options = this.getOptions(options) 53 this.$viewport = this.options.viewport && $(this.options.viewport.selector || this.options.viewport) 54 55 var triggers = this.options.trigger.split(' ') 56 57 for (var i = triggers.length; i--;) { 58 var trigger = triggers[i] 59 60 if (trigger == 'click') { 61 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this)) 62 } else if (trigger != 'manual') { 63 var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin' 64 var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout' 65 66 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this)) 67 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this)) 68 } 69 } 70 71 this.options.selector ? 72 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) : 73 this.fixTitle() 74 } 75 76 Tooltip.prototype.getDefaults = function () { 77 return Tooltip.DEFAULTS 78 } 79 80 Tooltip.prototype.getOptions = function (options) { 81 options = $.extend({}, this.getDefaults(), this.$element.data(), options) 82 83 if (options.delay && typeof options.delay == 'number') { 84 options.delay = { 85 show: options.delay, 86 hide: options.delay 87 } 88 } 89 90 return options 91 } 92 93 Tooltip.prototype.getDelegateOptions = function () { 94 var options = {} 95 var defaults = this.getDefaults() 96 97 this._options && $.each(this._options, function (key, value) { 98 if (defaults[key] != value) options[key] = value 99 }) 100 101 return options 102 } 103 104 Tooltip.prototype.enter = function (obj) { 105 var self = obj instanceof this.constructor ? 106 obj : $(obj.currentTarget).data('bs.' + this.type) 107 108 if (self && self.$tip && self.$tip.is(':visible')) { 109 self.hoverState = 'in' 110 return 111 } 112 113 if (!self) { 114 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) 115 $(obj.currentTarget).data('bs.' + this.type, self) 116 } 117 118 clearTimeout(self.timeout) 119 120 self.hoverState = 'in' 121 122 if (!self.options.delay || !self.options.delay.show) return self.show() 123 124 self.timeout = setTimeout(function () { 125 if (self.hoverState == 'in') self.show() 126 }, self.options.delay.show) 127 } 128 129 Tooltip.prototype.leave = function (obj) { 130 var self = obj instanceof this.constructor ? 131 obj : $(obj.currentTarget).data('bs.' + this.type) 132 133 if (!self) { 134 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) 135 $(obj.currentTarget).data('bs.' + this.type, self) 136 } 137 138 clearTimeout(self.timeout) 139 140 self.hoverState = 'out' 141 142 if (!self.options.delay || !self.options.delay.hide) return self.hide() 143 144 self.timeout = setTimeout(function () { 145 if (self.hoverState == 'out') self.hide() 146 }, self.options.delay.hide) 147 } 148 149 Tooltip.prototype.show = function () { 150 var e = $.Event('show.bs.' + this.type) 151 152 if (this.hasContent() && this.enabled) { 153 this.$element.trigger(e) 154 155 var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0]) 156 if (e.isDefaultPrevented() || !inDom) return 157 var that = this 158 159 var $tip = this.tip() 160 161 var tipId = this.getUID(this.type) 162 163 this.setContent()
vendor: 7,933 bytes, lines 164-369
164 $tip.attr('id', tipId) 165 this.$element.attr('aria-describedby', tipId) 166 167 if (this.options.animation) $tip.addClass('fade') 168 169 var placement = typeof this.options.placement == 'function' ? 170 this.options.placement.call(this, $tip[0], this.$element[0]) : 171 this.options.placement 172 173 var autoToken = /\s?auto?\s?/i 174 var autoPlace = autoToken.test(placement) 175 if (autoPlace) placement = placement.replace(autoToken, '') || 'top' 176 177 $tip 178 .detach() 179 .css({ top: 0, left: 0, display: 'block' }) 180 .addClass(placement) 181 .data('bs.' + this.type, this) 182 183 this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element) 184 185 var pos = this.getPosition() 186 var actualWidth = $tip[0].offsetWidth 187 var actualHeight = $tip[0].offsetHeight 188 189 if (autoPlace) { 190 var orgPlacement = placement 191 var $container = this.options.container ? $(this.options.container) : this.$element.parent() 192 var containerDim = this.getPosition($container) 193 194 placement = placement == 'bottom' && pos.bottom + actualHeight > containerDim.bottom ? 'top' : 195 placement == 'top' && pos.top - actualHeight < containerDim.top ? 'bottom' : 196 placement == 'right' && pos.right + actualWidth > containerDim.width ? 'left' : 197 placement == 'left' && pos.left - actualWidth < containerDim.left ? 'right' : 198 placement 199 200 $tip 201 .removeClass(orgPlacement) 202 .addClass(placement) 203 } 204 205 var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight) 206 207 this.applyPlacement(calculatedOffset, placement) 208 209 var complete = function () { 210 var prevHoverState = that.hoverState 211 that.$element.trigger('shown.bs.' + that.type) 212 that.hoverState = null 213 214 if (prevHoverState == 'out') that.leave(that) 215 } 216 217 $.support.transition && this.$tip.hasClass('fade') ? 218 $tip 219 .one('bsTransitionEnd', complete) 220 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : 221 complete() 222 } 223 } 224 225 Tooltip.prototype.applyPlacement = function (offset, placement) { 226 var $tip = this.tip() 227 var width = $tip[0].offsetWidth 228 var height = $tip[0].offsetHeight 229 230 // manually read margins because getBoundingClientRect includes difference 231 var marginTop = parseInt($tip.css('margin-top'), 10) 232 var marginLeft = parseInt($tip.css('margin-left'), 10) 233 234 // we must check for NaN for ie 8/9 235 if (isNaN(marginTop)) marginTop = 0 236 if (isNaN(marginLeft)) marginLeft = 0 237 238 offset.top = offset.top + marginTop 239 offset.left = offset.left + marginLeft 240 241 // $.fn.offset doesn't round pixel values 242 // so we use setOffset directly with our own function B-0 243 $.offset.setOffset($tip[0], $.extend({ 244 using: function (props) { 245 $tip.css({ 246 top: Math.round(props.top), 247 left: Math.round(props.left) 248 }) 249 } 250 }, offset), 0) 251 252 $tip.addClass('in') 253 254 // check to see if placing tip in new offset caused the tip to resize itself 255 var actualWidth = $tip[0].offsetWidth 256 var actualHeight = $tip[0].offsetHeight 257 258 if (placement == 'top' && actualHeight != height) { 259 offset.top = offset.top + height - actualHeight 260 } 261 262 var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight) 263 264 if (delta.left) offset.left += delta.left 265 else offset.top += delta.top 266 267 var isVertical = /top|bottom/.test(placement) 268 var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight 269 var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight' 270 271 $tip.offset(offset) 272 this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical) 273 } 274 275 Tooltip.prototype.replaceArrow = function (delta, dimension, isHorizontal) { 276 this.arrow() 277 .css(isHorizontal ? 'left' : 'top', 50 * (1 - delta / dimension) + '%') 278 .css(isHorizontal ? 'top' : 'left', '') 279 } 280 281 Tooltip.prototype.setContent = function () { 282 var $tip = this.tip() 283 var title = this.getTitle() 284 285 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title) 286 $tip.removeClass('fade in top bottom left right') 287 } 288 289 Tooltip.prototype.hide = function (callback) { 290 var that = this 291 var $tip = this.tip() 292 var e = $.Event('hide.bs.' + this.type) 293 294 function complete() { 295 if (that.hoverState != 'in') $tip.detach() 296 that.$element 297 .removeAttr('aria-describedby') 298 .trigger('hidden.bs.' + that.type) 299 callback && callback() 300 } 301 302 this.$element.trigger(e) 303 304 if (e.isDefaultPrevented()) return 305 306 $tip.removeClass('in') 307 308 $.support.transition && this.$tip.hasClass('fade') ? 309 $tip 310 .one('bsTransitionEnd', complete) 311 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : 312 complete() 313 314 this.hoverState = null 315 316 return this 317 } 318 319 Tooltip.prototype.fixTitle = function () { 320 var $e = this.$element 321 if ($e.attr('title') || typeof ($e.attr('data-original-title')) != 'string') { 322 $e.attr('data-original-title', $e.attr('title') || '').attr('title', '') 323 } 324 } 325 326 Tooltip.prototype.hasContent = function () { 327 return this.getTitle() 328 } 329 330 Tooltip.prototype.getPosition = function ($element) { 331 $element = $element || this.$element 332 333 var el = $element[0] 334 var isBody = el.tagName == 'BODY' 335 336 var elRect = el.getBoundingClientRect() 337 if (elRect.width == null) { 338 // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093 339 elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top }) 340 } 341 var elOffset = isBody ? { top: 0, left: 0 } : $element.offset() 342 var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() } 343 var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null 344 345 return $.extend({}, elRect, scroll, outerDims, elOffset) 346 } 347 348 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) { 349 return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } : 350 placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } : 351 placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } : 352 /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width } 353 354 } 355 356 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) { 357 var delta = { top: 0, left: 0 } 358 if (!this.$viewport) return delta 359 360 var viewportPadding = this.options.viewport && this.options.viewport.padding || 0 361 var viewportDimensions = this.getPosition(this.$viewport) 362 363 if (/right|left/.test(placement)) { 364 var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll 365 var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight 366 if (topEdgeOffset < viewportDimensions.top) { // top overflow 367 delta.top = viewportDimensions.top - topEdgeOffset 368 } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow 369 delta.top = viewportDimensions.top + viewportDimensions.height - bottom
369EdgeOffset 370 } 371 } else { 372 var leftEdgeOffset = pos.left - viewportPadding 373 var rightEdgeOffset = pos.left + viewportPadding + actualWidth 374 if (leftEdgeOffset < viewportDimensions.left) { // left overflow 375 delta.left = viewportDimensions.left - leftEdgeOffset 376 } else if (rightEdgeOffset > viewportDimensions.width) { // right overflow 377 delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset 378 } 379 } 380 381 return delta 382 } 383 384 Tooltip.prototype.getTitle = function () { 385 var title 386 var $e = this.$element 387 var o = this.options 388 389 title = $e.attr('data-original-title') 390 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title) 391 392 return title 393 } 394 395 Tooltip.prototype.getUID = function (prefix) { 396 do prefix += ~~(Math.random() * 1000000) 397 while (document.getElementById(prefix)) 398 return prefix 399 } 400 401 Tooltip.prototype.tip = function () { 402 return (this.$tip = this.$tip || $(this.options.template)) 403 } 404 405 Tooltip.prototype.arrow = function () { 406 return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')) 407 } 408 409 Tooltip.prototype.enable = function () { 410 this.enabled = true 411 } 412 413 Tooltip.prototype.disable = function () { 414 this.enabled = false 415 } 416 417 Tooltip.prototype.toggleEnabled = function () { 418 this.enabled = !this.enabled 419 } 420 421 Tooltip.prototype.toggle = function (e) { 422 var self = this 423 if (e) { 424 self = $(e.currentTarget).data('bs.' + this.type) 425 if (!self) { 426 self = new this.constructor(e.currentTarget, this.getDelegateOptions()) 427 $(e.currentTarget).data('bs.' + this.type, self) 428 } 429 } 430 431 self.tip().hasClass('in') ? self.leave(self) : self.enter(self) 432 } 433 434 Tooltip.prototype.destroy = function () { 435 var that = this 436 clearTimeout(this.timeout) 437 this.hide(function () { 438 that.$element.off('.' + that.type).removeData('bs.' + that.type) 439 }) 440 } 441 442 443 // TOOLTIP PLUGIN DEFINITION 444 // ========================= 445 446 function Plugin(option) { 447 return this.each(function () { 448 var $this = $(this) 449 var data = $this.data('bs.tooltip') 450 var options = typeof option == 'object' && option 451 var selector = options && options.selector 452 453 if (!data && option == 'destroy') return 454 if (selector) { 455 if (!data) $this.data('bs.tooltip', (data = {})) 456 if (!data[selector]) data[selector] = new Tooltip(this, options) 457 } else { 458 if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options))) 459 } 460 if (typeof option == 'string') data[option]() 461 }) 462 } 463 464 var old = $.fn.tooltip 465 466 $.fn.tooltip = Plugin 467 $.fn.tooltip.Constructor = Tooltip 468 469 470 // TOOLTIP NO CONFLICT 471 // =================== 472 473 $.fn.tooltip.noConflict = function () { 474 $.fn.tooltip = old 475 return this 476 } 477 478}(jQuery);
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