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1/* ======================================================================== 2 * Bootstrap: tooltip.js v3.3.5 3 * http://getbootstrap.com/javascript/#tooltip 4 * Inspired by the original jQuery.tipsy by Jason Frame 5 * ======================================================================== 6 * Copyright 2011-2015 Twitter, Inc. 7 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) 8 * ======================================================================== */ 9 10 11+function ($) { 12 'use strict'; 13 14 // TOOLTIP PUBLIC CLASS DEFINITION 15 // =============================== 16 17 var Tooltip = function (element, options) { 18 this.type = null 19 this.options = null 20 this.enabled = null 21 this.timeout = null 22 this.hoverState = null 23 this.$element = null 24 this.inState = null 25 26 this.init('tooltip', element, options) 27 } 28 29 Tooltip.VERSION = '3.3.5' 30 31 Tooltip.TRANSITION_DURATION = 150 32 33 Tooltip.DEFAULTS = { 34 animation: true, 35 placement: 'top', 36 selector: false, 37 template: '<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>', 38 trigger: 'hover focus', 39 title: '', 40 delay: 0, 41 html: false, 42 container: false, 43 viewport: { 44 selector: 'body', 45 padding: 0 46 } 47 } 48 49 Tooltip.prototype.init = function (type, element, options) { 50 this.enabled = true 51 this.type = type 52 this.$element = $(element) 53 this.options = this.getOptions(options) 54 this.$viewport = this.options.viewport && $($.isFunction(this.options.viewport) ? this.options.viewport.call(this, this.$element) : (this.options.viewport.selector || this.options.viewport)) 55 this.inState = { click: false, hover: false, focus: false } 56 57 if (this.$element[0] instanceof document.constructor && !this.options.selector) { 58 throw new Error('`selector` option must be specified when initializing ' + this.type + ' on the window.document object!') 59 } 60 61 var triggers = this.options.trigger.split(' ') 62 63 for (var i = triggers.length; i--;) { 64 var trigger = triggers[i] 65 66 if (trigger == 'click') { 67 this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this)) 68 } else if (trigger != 'manual') { 69 var eventIn = trigger == 'hover' ? 'mouseenter' : 'focusin' 70 var eventOut = trigger == 'hover' ? 'mouseleave' : 'focusout' 71 72 this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this)) 73 this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this)) 74 } 75 } 76 77 this.options.selector ? 78 (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) : 79 this.fixTitle() 80 } 81 82 Tooltip.prototype.getDefaults = function () { 83 return Tooltip.DEFAULTS 84 } 85 86 Tooltip.prototype.getOptions = function (options) { 87 options = $.extend({}, this.getDefaults(), this.$element.data(), options) 88 89 if (options.delay && typeof options.delay == 'number') { 90 options.delay = { 91 show: options.delay, 92 hide: options.delay 93 } 94 } 95 96 return options 97 } 98 99 Tooltip.prototype.getDelegateOptions = function () { 100 var options = {} 101 var defaults = this.getDefaults() 102 103 this._options && $.each(this._options, function (key, value) { 104 if (defaults[key] != value) options[key] = value 105 }) 106 107 return options 108 } 109 110 Tooltip.prototype.enter = function (obj) { 111 var self = obj instanceof this.constructor ? 112 obj : $(obj.currentTarget).data('bs.' + this.type) 113 114 if (!self) { 115 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) 116 $(obj.currentTarget).data('bs.' + this.type, self) 117 } 118 119 if (obj instanceof $.Event) {
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120 self.inState[obj.type == 'focusin' ? 'focus' : 'hover'] = true 121 } 122 123 if (self.tip().hasClass('in') || self.hoverState == 'in') { 124 self.hoverState = 'in' 125 return 126 } 127 128 clearTimeout(self.timeout) 129 130 self.hoverState = 'in' 131 132 if (!self.options.delay || !self.options.delay.show) return self.show() 133 134 self.timeout = setTimeout(function () { 135 if (self.hoverState == 'in') self.show() 136 }, self.options.delay.show) 137 } 138 139 Tooltip.prototype.isInStateTrue = function () { 140 for (var key in this.inState) { 141 if (this.inState[key]) return true 142 } 143 144 return false 145 } 146 147 Tooltip.prototype.leave = function (obj) { 148 var self = obj instanceof this.constructor ? 149 obj : $(obj.currentTarget).data('bs.' + this.type) 150 151 if (!self) { 152 self = new this.constructor(obj.currentTarget, this.getDelegateOptions()) 153 $(obj.currentTarget).data('bs.' + this.type, self) 154 } 155 156 if (obj instanceof $.Event) { 157 self.inState[obj.type == 'focusout' ? 'focus' : 'hover'] = false 158 } 159 160 if (self.isInStateTrue()) return 161 162 clearTimeout(self.timeout) 163 164 self.hoverState = 'out' 165 166 if (!self.options.delay || !self.options.delay.hide) return self.hide() 167 168 self.timeout = setTimeout(function () { 169 if (self.hoverState == 'out') self.hide() 170 }, self.options.delay.hide) 171 } 172 173 Tooltip.prototype.show = function () { 174 var e = $.Event('show.bs.' + this.type) 175 176 if (this.hasContent() && this.enabled) { 177 this.$element.trigger(e) 178 179 var inDom = $.contains(this.$element[0].ownerDocument.documentElement, this.$element[0]) 180 if (e.isDefaultPrevented() || !inDom) return 181 var that = this 182 183 var $tip = this.tip() 184 185 var tipId = this.getUID(this.type) 186 187 this.setContent() 188 $tip.attr('id', tipId) 189 this.$element.attr('aria-describedby', tipId) 190 191 if (this.options.animation) $tip.addClass('fade') 192 193 var placement = typeof this.options.placement == 'function' ? 194 this.options.placement.call(this, $tip[0], this.$element[0]) : 195 this.options.placement 196 197 var autoToken = /\s?auto?\s?/i 198 var autoPlace = autoToken.test(placement) 199 if (autoPlace) placement = placement.replace(autoToken, '') || 'top' 200 201 $tip 202 .detach() 203 .css({ top: 0, left: 0, display: 'block' }) 204 .addClass(placement) 205 .data('bs.' + this.type, this) 206 207 this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element) 208 this.$element.trigger('inserted.bs.' + this.type) 209 210 var pos = this.getPosition() 211 var actualWidth = $tip[0].offsetWidth 212 var actualHeight = $tip[0].offsetHeight 213 214 if (autoPlace) { 215 var orgPlacement = placement 216 var viewportDim = this.getPosition(this.$viewport) 217 218 placement = placement == 'bottom' && pos.bottom + actualHeight > viewportDim.bottom ? 'top' : 219 placement == 'top' && pos.top - actualHeight < viewportDim.top ? 'bottom' : 220 placement == 'right' && pos.right + actualWidth > viewportDim.width ? 'left' : 221 placement == 'left' && pos.left - actualWidth < viewportDim.left ? 'right' : 222 placement 223 224 $tip 225 .removeClass(orgPlacement) 226 .addClass(placement) 227 } 228 229 var calculatedOffset = this.getCalculatedOffset(placement, pos, actualWidth, actualHeight) 230 231 this.applyPlacement(calculatedOffset, placement) 232 233 var complete = function () { 234 var prevHoverState = that.hoverState 235 that.$element.trigger('shown.bs.' + that.type) 236 that.hoverState = null 237 238 if (prevHoverState == 'out') that.leave(that) 239 } 240 241 $.support.transition && this.$tip.hasClass('fade') ? 242 $tip 243 .one('bsTransitionEnd', complete) 244 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : 245 complete() 246 } 247 } 248 249 Tooltip.prototype.applyPlacement = function (offset, placement) { 250 var $tip = this.tip() 251 var width = $tip[0].offsetWidth 252 var height = $tip[0].offsetHeight 253 254 // manually read margins because getBoundingClientRect includes difference 255 var marginTop = parseInt($tip.css('margin-top'), 10) 256 var marginLeft = parseInt($tip.css('margin-left'), 10) 257 258 // we must check for NaN for ie 8/9 259 if (isNaN(marginTop)) marginTop = 0 260 if (isNaN(marginLeft)) marginLeft = 0 261 262 offset.top += marginTop 263 offset.left += marginLeft 264 265 // $.fn.offset doesn't round pixel values 266 // so we use setOffset directly with our own function B-0 267 $.offset.setOffset($tip[0], $.extend({ 268 using: function (props) { 269 $tip.css({ 270 top: Math.round(props.top), 271 left: Math.round(props.left) 272 }) 273 } 274 }, offset), 0) 275 276 $tip.addClass('in') 277 278 // check to see if placing tip in new offset caused the tip to resize itself 279 var actualWidth = $tip[0].offsetWidth 280 var actualHeight = $tip[0].offsetHeight 281 282 if (placement == 'top' && actualHeight != height) { 283 offset.top = offset.top + height - actualHeight 284 } 285 286 var delta = this.getViewportAdjustedDelta(placement, offset, actualWidth, actualHeight) 287 288 if (delta.left) offset.left += delta.left 289 else offset.top += delta.top 290 291 var isVertical = /top|bottom/.test(placement) 292 var arrowDelta = isVertical ? delta.left * 2 - width + actualWidth : delta.top * 2 - height + actualHeight 293 var arrowOffsetPosition = isVertical ? 'offsetWidth' : 'offsetHeight' 294 295 $tip.offset(offset) 296 this.replaceArrow(arrowDelta, $tip[0][arrowOffsetPosition], isVertical) 297 } 298 299 Tooltip.prototype.replaceArrow = function (delta, dimension, isVertical) { 300 this.arrow() 301 .css(isVertical ? 'left' : 'top', 50 * (1 - delta / dimension) + '%') 302 .css(isVertical ? 'top' : 'left', '') 303 } 304 305 Tooltip.prototype.setContent = function () { 306 var $tip = this.tip() 307 var title = this.getTitle() 308 309 $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title) 310 $tip.removeClass('fade in top bottom left right') 311 } 312 313 Tooltip.prototype.hide = function (callback) { 314 var that = this 315 var $tip = $(this.$tip) 316 var e = $.Event('hide.bs.' + this.type) 317 318 function complete() { 319 if (that.hoverState != 'in') $tip.detach() 320 that.$element 321 .removeAttr('aria-describedby') 322 .trigger('hidden.bs.' + that.type) 323 callback && callback() 324 } 325 326 this.$element.trigger(e) 327 328 if (e.isDefaultPrevented()) return 329 330 $tip.removeClass('in') 331 332 $.support.transition && $tip.hasClass('fade') ? 333 $tip 334 .one('bsTransitionEnd', complete) 335 .emulateTransitionEnd(Tooltip.TRANSITION_DURATION) : 336 complete() 337 338 this.hoverState = null 339 340 return this 341 } 342 343 Tooltip.prototype.fixTitle = function () { 344 var $e = this.$element 345 if ($e.attr('title') || typeof $e.attr('data-original-title') != 'string') { 346 $e.attr('data-original-title', $e.attr('title') || '').attr('title', '') 347 } 348 } 349 350 Tooltip.prototype.hasContent = function () { 351 return this.getTitle() 352 } 353 354 Tooltip.prototype.getPosition = function ($element) { 355 $element = $element || this.$element 356 357 var el = $element[0] 358 var isBody = el.tagName == 'BODY' 359 360 var elRect = el.getBoundingClientRect() 361 if (elRect.width == null) { 362 // width and height are missing in IE8, so compute them manually; see https://github.com/twbs/bootstrap/issues/14093 363 elRect = $.extend({}, elRect, { width: elRect.right - elRect.left, height: elRect.bottom - elRect.top }) 364 } 365 var elOffset = isBody ? { top: 0, left: 0 } : $element.offset() 366 var scroll = { scroll: isBody ? document.documentElement.scrollTop || document.body.scrollTop : $element.scrollTop() } 367 var outerDims = isBody ? { width: $(window).width(), height: $(window).height() } : null 368 369 return $.extend({}, elRect, scroll, outerDims, elOffset) 370 } 371 372 Tooltip.prototype.getCalculatedOffset = function (placement, pos, actualWidth, actualHeight) { 373 return placement == 'bottom' ? { top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2 } : 374 placement == 'top' ? { top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2 } : 375 placement == 'left' ? { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth } : 376 /* placement == 'right' */ { top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width } 377 378 } 379 380 Tooltip.prototype.getViewportAdjustedDelta = function (placement, pos, actualWidth, actualHeight) { 381 var delta = { top: 0, left: 0 } 382 if (!this.$viewport) return delta 383 384 var viewportPadding = this.options.viewport && this.options.viewport.padding || 0 385 var viewportDimensions = this.getPosition(this.$viewport) 386 387 if (/right|left/.test(placement)) { 388 var topEdgeOffset = pos.top - viewportPadding - viewportDimensions.scroll 389 var bottomEdgeOffset = pos.top + viewportPadding - viewportDimensions.scroll + actualHeight 390 if (topEdgeOffset < viewportDimensions.top) { // top overflow 391 delta.top = viewportDimensions.top - topEdgeOffset 392 } else if (bottomEdgeOffset > viewportDimensions.top + viewportDimensions.height) { // bottom overflow 393 delta.top = viewportDimensions.top + viewportDimensions.height - bottom
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393EdgeOffset 394 } 395 } else { 396 var leftEdgeOffset = pos.left - viewportPadding 397 var rightEdgeOffset = pos.left + viewportPadding + actualWidth 398 if (leftEdgeOffset < viewportDimensions.left) { // left overflow 399 delta.left = viewportDimensions.left - leftEdgeOffset 400 } else if (rightEdgeOffset > viewportDimensions.right) { // right overflow 401 delta.left = viewportDimensions.left + viewportDimensions.width - rightEdgeOffset 402 } 403 } 404 405 return delta 406 } 407 408 Tooltip.prototype.getTitle = function () { 409 var title 410 var $e = this.$element 411 var o = this.options 412 413 title = $e.attr('data-original-title') 414 || (typeof o.title == 'function' ? o.title.call($e[0]) : o.title) 415 416 return title 417 } 418 419 Tooltip.prototype.getUID = function (prefix) { 420 do prefix += ~~(Math.random() * 1000000) 421 while (document.getElementById(prefix)) 422 return prefix 423 } 424 425 Tooltip.prototype.tip = function () { 426 if (!this.$tip) { 427 this.$tip = $(this.options.template) 428 if (this.$tip.length != 1) { 429 throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!') 430 } 431 } 432 return this.$tip 433 } 434 435 Tooltip.prototype.arrow = function () { 436 return (this.$arrow = this.$arrow || this.tip().find('.tooltip-arrow')) 437 } 438 439 Tooltip.prototype.enable = function () { 440 this.enabled = true 441 } 442 443 Tooltip.prototype.disable = function () { 444 this.enabled = false 445 } 446 447 Tooltip.prototype.toggleEnabled = function () { 448 this.enabled = !this.enabled 449 } 450 451 Tooltip.prototype.toggle = function (e) { 452 var self = this 453 if (e) { 454 self = $(e.currentTarget).data('bs.' + this.type) 455 if (!self) { 456 self = new this.constructor(e.currentTarget, this.getDelegateOptions()) 457 $(e.currentTarget).data('bs.' + this.type, self) 458 } 459 } 460 461 if (e) { 462 self.inState.click = !self.inState.click 463 if (self.isInStateTrue()) self.enter(self) 464 else self.leave(self) 465 } else { 466 self.tip().hasClass('in') ? self.leave(self) : self.enter(self) 467 } 468 } 469 470 Tooltip.prototype.destroy = function () { 471 var that = this 472 clearTimeout(this.timeout) 473 this.hide(function () { 474 that.$element.off('.' + that.type).removeData('bs.' + that.type) 475 if (that.$tip) { 476 that.$tip.detach() 477 } 478 that.$tip = null 479 that.$arrow = null 480 that.$viewport = null 481 }) 482 } 483 484 485 // TOOLTIP PLUGIN DEFINITION 486 // ========================= 487 488 function Plugin(option) { 489 return this.each(function () { 490 var $this = $(this) 491 var data = $this.data('bs.tooltip') 492 var options = typeof option == 'object' && option 493 494 if (!data && /destroy|hide/.test(option)) return 495 if (!data) $this.data('bs.tooltip', (data = new Tooltip(this, options))) 496 if (typeof option == 'string') data[option]() 497 }) 498 } 499 500 var old = $.fn.tooltip 501 502 $.fn.tooltip = Plugin 503 $.fn.tooltip.Constructor = Tooltip 504 505 506 // TOOLTIP NO CONFLICT 507 // =================== 508 509 $.fn.tooltip.noConflict = function () { 510 $.fn.tooltip = old 511 return this 512 } 513 514}(jQuery);
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