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* lg-thumbnail.js | 1.2.0 | May 20th 2020\n * http://sachinchoolur.github.io/lg-thumbnail.js\n * Copyright (c) 2016 Sachin N; \n * @license GPLv3 \n */(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.LgThumbnail = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c=\"function\"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error(\"Cannot find module '\"+i+\"'\");throw a.code=\"MODULE_NOT_FOUND\",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u=\"function\"==typeof require&&require,i=0;i 1) {\n if (this.core.s.showThumbByDefault) {\n setTimeout(function () {\n utils.addClass(_this.core.outer, 'lg-thumb-open');\n }, 700);\n }\n\n if (this.core.s.pullCaptionUp) {\n utils.addClass(this.core.outer, 'lg-pull-caption-up');\n }\n\n this.build();\n if (this.core.s.animateThumb) {\n if (this.core.s.enableThumbDrag && !this.core.isTouch && this.core.doCss()) {\n this.enableThumbDrag();\n }\n\n if (this.core.s.enableThumbSwipe && this.core.isTouch && this.core.doCss()) {\n this.enableThumbSwipe();\n }\n\n this.thumbClickable = false;\n } else {\n this.thumbClickable = true;\n }\n\n this.toggle();\n this.thumbkeyPress();\n }\n };\n\n Thumbnail.prototype.build = function () {\n var _this = this;\n var thumbList = '';\n var vimeoErrorThumbSize = '';\n var $thumb;\n var html = '
' + '
' + '
' + '
';\n\n switch (this.core.s.vimeoThumbSize) {\n case 'thumbnail_large':\n vimeoErrorThumbSize = '640';\n break;\n case 'thumbnail_medium':\n vimeoErrorThumbSize = '200x150';\n break;\n case 'thumbnail_small':\n vimeoErrorThumbSize = '100x75';\n }\n\n utils.addClass(_this.core.outer, 'lg-has-thumb');\n\n _this.core.outer.querySelector('.lg').insertAdjacentHTML('beforeend', html);\n\n _this.thumbOuter = _this.core.outer.querySelector('.lg-thumb-outer');\n _this.thumbOuterWidth = _this.thumbOuter.offsetWidth;\n\n if (_this.core.s.animateThumb) {\n _this.core.outer.querySelector('.lg-thumb').style.width = _this.thumbTotalWidth + 'px';\n _this.core.outer.querySelector('.lg-thumb').style.position = 'relative';\n }\n\n if (this.core.s.animateThumb) {\n _this.thumbOuter.style.height = _this.core.s.thumbContHeight + 'px';\n }\n\n function getThumb(src, thumb, index) {\n var isVideo = _this.core.isVideo(src, index) || {};\n var thumbImg;\n var vimeoId = '';\n\n if (isVideo.youtube || isVideo.vimeo || isVideo.dailymotion) {\n if (isVideo.youtube) {\n if (_this.core.s.loadYoutubeThumbnail) {\n thumbImg = '//img.youtube.com/vi/' + isVideo.youtube[1] + '/' + _this.core.s.youtubeThumbSize + '.jpg';\n } else {\n thumbImg = thumb;\n }\n } else if (isVideo.vimeo) {\n if (_this.core.s.loadVimeoThumbnail) {\n thumbImg = '//i.vimeocdn.com/video/error_' + vimeoErrorThumbSize + '.jpg';\n vimeoId = isVideo.vimeo[1];\n } else {\n thumbImg = thumb;\n }\n } else if (isVideo.dailymotion) {\n if (_this.core.s.loadDailymotionThumbnail) {\n thumbImg = '//www.dailymotion.com/thumbnail/video/' + isVideo.dailymotion[1];\n } else {\n thumbImg = thumb;\n }\n }\n } else {\n thumbImg = thumb;\n }\n\n thumbList += '
';\n vimeoId = '';\n }\n\n if (_this.core.s.dynamic) {\n for (var j = 0; j < _this.core.s.dynamicEl.length; j++) {\n getThumb(_this.core.s.dynamicEl[j].src, _this.core.s.dynamicEl[j].thumb, j);\n }\n } else {\n for (var i = 0; i < _this.core.items.length; i++) {\n if (!_this.core.s.exThumbImage) {\n getThumb(_this.core.items[i].getAttribute('href') || _this.core.items[i].getAttribute('data-src'), _this.core.items[i].querySelector('img').getAttribute('src'), i);\n } else {\n getThumb(_this.core.items[i].getAttribute('href') || _this.core.items[i].getAttribute('data-src'), _this.core.items[i].getAttribute(_this.core.s.exThumbImage), i);\n }\n }\n }\n\n _this.core.outer.querySelector('.lg-thumb').innerHTML = thumbList;\n\n $thumb = _this.core.outer.querySelectorAll('.lg-thumb-item');\n\n for (var n = 0; n < $thumb.length; n++) {\n\n /*jshint loopfunc: true */\n (function (index) {\n var $this = $thumb[index];\n var vimeoVideoId = $this.getAttribute('data-vimeo-id');\n if (vimeoVideoId) {\n\n window['lgJsonP' + _this.el.getAttribute('lg-uid') + '' + n] = function (content) {\n $this.querySelector('img').setAttribute('src', content[0][_this.core.s.vimeoThumbSize]);\n };\n\n var script = document.createElement('script');\n script.className = 'lg-script';\n script.src = '//www.vimeo.com/api/v2/video/' + vimeoVideoId + '.json?callback=lgJsonP' + _this.el.getAttribute('lg-uid') + '' + n;\n document.body.appendChild(script);\n }\n })(n);\n }\n\n // manage active class for thumbnail\n utils.addClass($thumb[_this.core.index], 'active');\n utils.on(_this.core.el, 'onBeforeSlide.lgtm', function () {\n\n for (var j = 0; j < $thumb.length; j++) {\n utils.removeClass($thumb[j], 'active');\n }\n\n utils.addClass($thumb[_this.core.index], 'active');\n });\n\n for (var k = 0; k < $thumb.length; k++) {\n\n /*jshint loopfunc: true */\n (function (index) {\n\n utils.on($thumb[index], 'click.lg touchend.lg', function () {\n\n setTimeout(function () {\n\n // In IE9 and bellow touch does not support\n // Go to slide if browser does not support css transitions\n if (_this.thumbClickable && !_this.core.lgBusy || !_this.core.doCss()) {\n _this.core.index = index;\n _this.core.slide(_this.core.index, false, true);\n }\n }, 50);\n });\n })(k);\n }\n\n utils.on(_this.core.el, 'onBeforeSlide.lgtm', function () {\n _this.animateThumb(_this.core.index);\n });\n\n utils.on(window, 'resize.lgthumb orientationchange.lgthumb', function () {\n setTimeout(function () {\n _this.animateThumb(_this.core.index);\n _this.thumbOuterWidth = _this.thumbOuter.offsetWidth;\n }, 200);\n });\n };\n\n Thumbnail.prototype.setTranslate = function (value) {\n utils.setVendor(this.core.outer.querySelector('.lg-thumb'), 'Transform', 'translate3d(-' + value + 'px, 0px, 0px)');\n };\n\n Thumbnail.prototype.animateThumb = function (index) {\n var $thumb = this.core.outer.querySelector('.lg-thumb');\n if (this.core.s.animateThumb) {\n var position;\n switch (this.core.s.currentPagerPosition) {\n case 'left':\n position = 0;\n break;\n case 'middle':\n position = this.thumbOuterWidth / 2 - this.core.s.thumbWidth / 2;\n break;\n case 'right':\n position = this.thumbOuterWidth - this.core.s.thumbWidth;\n }\n this.left = (this.core.s.thumbWidth + this.core.s.thumbMargin) * index - 1 - position;\n if (this.left > this.thumbTotalWidth - this.thumbOuterWidth) {\n this.left = this.thumbTotalWidth - this.thumbOuterWidth;\n }\n\n if (this.left < 0) {\n this.left = 0;\n }\n\n if (this.core.lGalleryOn) {\n if (!utils.hasClass($thumb, 'on')) {\n utils.setVendor(this.core.outer.querySelector('.lg-thumb'), 'TransitionDuration', this.core.s.speed + 'ms');\n }\n\n if (!this.core.doCss()) {\n $thumb.style.left = -this.left + 'px';\n }\n } else {\n if (!this.core.doCss()) {\n $thumb.style.left = -this.left + 'px';\n }\n }\n\n this.setTranslate(this.left);\n }\n };\n\n // Enable thumbnail dragging and swiping\n Thumbnail.prototype.enableThumbDrag = function () {\n\n var _this = this;\n var startCoords = 0;\n var endCoords = 0;\n var isDraging = false;\n var isMoved = false;\n var tempLeft = 0;\n\n utils.addClass(_this.thumbOuter, 'lg-grab');\n\n utils.on(_this.core.outer.querySelector('.lg-thumb'), 'mousedown.lgthumb', function (e) {\n if (_this.thumbTotalWidth > _this.thumbOuterWidth) {\n // execute only on .lg-object\n e.preventDefault();\n startCoords = e.pageX;\n isDraging = true;\n\n // ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723\n _this.core.outer.scrollLeft += 1;\n _this.core.outer.scrollLeft -= 1;\n\n // *\n _this.thumbClickable = false;\n utils.removeClass(_this.thumbOuter, 'lg-grab');\n utils.addClass(_this.thumbOuter, 'lg-grabbing');\n }\n });\n\n utils.on(window, 'mousemove.lgthumb', function (e) {\n if (isDraging) {\n tempLeft = _this.left;\n isMoved = true;\n endCoords = e.pageX;\n\n utils.addClass(_this.thumbOuter, 'lg-dragging');\n\n tempLeft = tempLeft - (endCoords - startCoords);\n\n if (tempLeft > _this.thumbTotalWidth - _this.thumbOuterWidth) {\n tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;\n }\n\n if (tempLeft < 0) {\n tempLeft = 0;\n }\n\n // move current slide\n _this.setTranslate(tempLeft);\n }\n });\n\n utils.on(window, 'mouseup.lgthumb', function () {\n if (isMoved) {\n isMoved = false;\n utils.removeClass(_this.thumbOuter, 'lg-dragging');\n\n _this.left = tempLeft;\n\n if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {\n _this.thumbClickable = true;\n }\n } else {\n _this.thumbClickable = true;\n }\n\n if (isDraging) {\n isDraging = false;\n utils.removeClass(_this.thumbOuter, 'lg-grabbing');\n utils.addClass(_this.thumbOuter, 'lg-grab');\n }\n });\n };\n\n Thumbnail.prototype.enableThumbSwipe = function () {\n var _this = this;\n var startCoords = 0;\n var endCoords = 0;\n var isMoved = false;\n var tempLeft = 0;\n\n utils.on(_this.core.outer.querySelector('.lg-thumb'), 'touchstart.lg', function (e) {\n if (_this.thumbTotalWidth > _this.thumbOuterWidth) {\n e.preventDefault();\n startCoords = e.targetTouches[0].pageX;\n _this.thumbClickable = false;\n }\n });\n\n utils.on(_this.core.outer.querySelector('.lg-thumb'), 'touchmove.lg', function (e) {\n if (_this.thumbTotalWidth > _this.thumbOuterWidth) {\n e.preventDefault();\n endCoords = e.targetTouches[0].pageX;\n isMoved = true;\n\n utils.addClass(_this.thumbOuter, 'lg-dragging');\n\n tempLeft = _this.left;\n\n tempLeft = tempLeft - (endCoords - startCoords);\n\n if (tempLeft > _this.thumbTotalWidth - _this.thumbOuterWidth) {\n tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;\n }\n\n if (tempLeft < 0) {\n tempLeft = 0;\n }\n\n // move current slide\n _this.setTranslate(tempLeft);\n }\n });\n\n utils.on(_this.core.outer.querySelector('.lg-thumb'), 'touchend.lg', function () {\n if (_this.thumbTotalWidth > _this.thumbOuterWidth) {\n\n if (isMoved) {\n isMoved = false;\n utils.removeClass(_this.thumbOuter, 'lg-dragging');\n if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {\n _this.thumbClickable = true;\n }\n\n _this.left = tempLeft;\n } else {\n _this.thumbClickable = true;\n }\n } else {\n _this.thumbClickable = true;\n }\n });\n };\n\n Thumbnail.prototype.toggle = function () {\n var _this = this;\n if (_this.core.s.toggleThumb) {\n utils.addClass(_this.core.outer, 'lg-can-toggle');\n _this.thumbOuter.insertAdjacentHTML('beforeend', '');\n utils.on(_this.core.outer.querySelector('.lg-toggle-thumb'), 'click.lg', function () {\n if (utils.hasClass(_this.core.outer, 'lg-thumb-open')) {\n utils.removeClass(_this.core.outer, 'lg-thumb-open');\n } else {\n utils.addClass(_this.core.outer, 'lg-thumb-open');\n }\n });\n }\n };\n\n Thumbnail.prototype.thumbkeyPress = function () {\n var _this = this;\n utils.on(window, 'keydown.lgthumb', function (e) {\n if (e.keyCode === 38) {\n e.preventDefault();\n utils.addClass(_this.core.outer, 'lg-thumb-open');\n } else if (e.keyCode === 40) {\n e.preventDefault();\n utils.removeClass(_this.core.outer, 'lg-thumb-open');\n }\n });\n };\n\n Thumbnail.prototype.destroy = function (d) {\n if (this.core.s.thumbnail && this.core.items.length > 1) {\n utils.off(window, '.lgthumb');\n if (!d) {\n this.thumbOuter.parentNode.removeChild(this.thumbOuter);\n }\n utils.removeClass(this.core.outer, 'lg-has-thumb');\n\n var lgScript = document.getElementsByClassName('lg-script');\n while (lgScript[0]) {\n lgScript[0].parentNode.removeChild(lgScript[0]);\n }\n }\n };\n\n window.lgModules.thumbnail = Thumbnail;\n});\n\n},{}]},{},[1])(1)\n});\n"],"names":["module","exports","r","e","n","t","o","i","f","u","a","Error","code","p","call","length","require","global","factory","lgThumbnail","this","_extends","Object","assign","target","arguments","source","key","prototype","hasOwnProperty","thumbnailDefaults","thumbnail","animateThumb","currentPagerPosition","thumbWidth","thumbContHeight","thumbMargin","exThumbImage","showThumbByDefault","toggleThumb","pullCaptionUp","enableThumbDrag","enableThumbSwipe","swipeThreshold","loadYoutubeThumbnail","youtubeThumbSize","loadVimeoThumbnail","vimeoThumbSize","loadDailymotionThumbnail","Thumbnail","element","el","core","window","lgData","getAttribute","s","thumbOuter","thumbOuterWidth","thumbTotalWidth","items","thumbIndex","index","left","init","_this","setTimeout","utils","addClass","outer","build","isTouch","doCss","thumbClickable","toggle","thumbkeyPress","$thumb","thumbList","vimeoErrorThumbSize","getThumb","src","thumb","thumbImg","isVideo","vimeoId","youtube","vimeo","dailymotion","querySelector","insertAdjacentHTML","offsetWidth","style","width","position","height","dynamic","j","dynamicEl","innerHTML","querySelectorAll","$this","vimeoVideoId","content","setAttribute","script","document","createElement","className","body","appendChild","on","removeClass","k","lgBusy","slide","setTranslate","value","setVendor","lGalleryOn","hasClass","speed","startCoords","endCoords","isDraging","isMoved","tempLeft","preventDefault","pageX","scrollLeft","Math","abs","targetTouches","keyCode","destroy","d","off","parentNode","removeChild","lgScript","getElementsByClassName","lgModules"],"sourceRoot":""}