/*!
* justifiedGallery - v3.7.0
* http://miromannino.github.io/Justified-Gallery/
* Copyright (c) 2018 Miro Mannino
* Licensed under the MIT license.
*/
(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof module === 'object' && module.exports) {
// Node/CommonJS
module.exports = function( root, jQuery ) {
if ( jQuery === undefined ) {
// require('jQuery') returns a factory that requires window to
// build a jQuery instance, we normalize how we use modules
// that require this pattern but the window provided is a noop
// if it's defined (how jquery works)
if ( typeof window !== 'undefined' ) {
jQuery = require('jquery');
}
else {
jQuery = require('jquery')(root);
}
}
factory(jQuery);
return jQuery;
};
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
/**
* Justified Gallery controller constructor
*
* @param $gallery the gallery to build
* @param settings the settings (the defaults are in JustifiedGallery.defaults)
* @constructor
*/
var JustifiedGallery = function ($gallery, settings) {
this.settings = settings;
this.checkSettings();
this.imgAnalyzerTimeout = null;
this.entries = null;
this.buildingRow = {
entriesBuff : [],
width : 0,
height : 0,
aspectRatio : 0
};
this.lastFetchedEntry = null;
this.lastAnalyzedIndex = -1;
this.yield = {
every : 2, // do a flush every n flushes (must be greater than 1)
flushed : 0 // flushed rows without a yield
};
this.border = settings.border >= 0 ? settings.border : settings.margins;
this.maxRowHeight = this.retrieveMaxRowHeight();
this.suffixRanges = this.retrieveSuffixRanges();
this.offY = this.border;
this.rows = 0;
this.spinner = {
phase : 0,
timeSlot : 150,
$el : $('<div class="spinner"><span></span><span></span><span></span></div>'),
intervalId : null
};
this.scrollBarOn = false;
this.checkWidthIntervalId = null;
this.galleryWidth = $gallery.width();
this.$gallery = $gallery;
};
/** @returns {String} the best suffix given the width and the height */
JustifiedGallery.prototype.getSuffix = function (width, height) {
var longestSide, i;
longestSide = (width > height) ? width : height;
for (i = 0; i < this.suffixRanges.length; i++) {
if (longestSide <= this.suffixRanges[i]) {
return this.settings.sizeRangeSuffixes[this.suffixRanges[i]];
}
}
return this.settings.sizeRangeSuffixes[this.suffixRanges[i - 1]];
};
/**
* Remove the suffix from the string
*
* @returns {string} a new string without the suffix
*/
JustifiedGallery.prototype.removeSuffix = function (str, suffix) {
return str.substring(0, str.length - suffix.length);
};
/**
* @returns {boolean} a boolean to say if the suffix is contained in the str or not
*/
JustifiedGallery.prototype.endsWith = function (str, suffix) {
return str.indexOf(suffix, str.length - suffix.length) !== -1;
};
/**
* Get the used suffix of a particular url
*
* @param str
* @returns {String} return the used suffix
*/
JustifiedGallery.prototype.getUsedSuffix = function (str) {
for (var si in this.settings.sizeRangeSuffixes) {
if (this.settings.sizeRangeSuffixes.hasOwnProperty(si)) {
if (this.settings.sizeRangeSuffixes[si].length === 0) continue;
if (this.endsWith(str, this.settings.sizeRangeSuffixes[si])) return this.settings.sizeRangeSuffixes[si];
}
}
return '';
};
/**
* Given an image src, with the width and the height, returns the new image src with the
* best suffix to show the best quality thumbnail.
*
* @returns {String} the suffix to use
*/
JustifiedGallery.prototype.newSrc = function (imageSrc, imgWidth, imgHeight, image) {
var newImageSrc;
if (this.settings.thumbnailPath) {
newImageSrc = this.settings.thumbnailPath(imageSrc, imgWidth, imgHeight, image);
} else {
var matchRes = imageSrc.match(this.settings.extension);
var ext = (matchRes !== null) ? matchRes[0] : '';
newImageSrc = imageSrc.replace(this.settings.extension, '');
newImageSrc = this.removeSuffix(newImageSrc, this.getUsedSuffix(newImageSrc));
newImageSrc += this.getSuffix(imgWidth, imgHeight) + ext;
}
return newImageSrc;
};
/**
* Shows the images that is in the given entry
*
* @param $entry the entry
* @param callback the callback that is called when the show animation is finished
*/
JustifiedGallery.prototype.showImg = function ($entry, callback) {
if (this.settings.cssAnimation) {
$entry.addClass('entry-visible');
if (callback) callback();
} else {
$entry.stop().fadeTo(this.settings.imagesAnimationDuration, 1.0, callback);
$entry.find(this.settings.imgSelector).stop().fadeTo(this.settings.imagesAnimationDuration, 1.0, callback);
}
};
/**
* Extract the image src form the image, looking from the 'safe-src', and if it can't be found, from the
* 'src' attribute. It saves in the image data the 'jg.originalSrc' field, with the extracted src.
*
* @param $image the image to analyze
* @returns {String} the extracted src
*/
JustifiedGallery.prototype.extractImgSrcFromImage = function ($image) {
var imageSrc = (typeof $image.data('safe-src') !== 'undefined') ? $image.data('safe-src') : $image.attr('src');
$image.data('jg.originalSrc', imageSrc);
return imageSrc;
};
/** @returns {jQuery} the image in the given entry */
JustifiedGallery.prototype.imgFromEntry = function ($entry) {
var $img = $entry.find(this.settings.imgSelector);
return $img.length === 0 ? null : $img;
};
/** @returns {jQuery} the caption in the given entry */
JustifiedGallery.prototype.captionFromEntry = function ($entry) {
var $caption = $entry.find('> .caption');
return $caption.length === 0 ? null : $caption;
};
/**
* Display the entry
*
* @param {jQuery} $entry the entry to display
* @param {int} x the x position where the entry must be positioned
* @param y the y position where the entry must be positioned
* @param imgWidth the image width
* @param imgHeight the image height
* @param rowHeight the row height of the row that owns the entry
*/
JustifiedGallery.prototype.displayEntry = function ($entry, x, y, imgWidth, imgHeight, rowHeight) {
$entry.width(imgWidth);
$entry.height(rowHeight);
$entry.css('top', y);
$entry.css('left', x);
var $image = this.imgFromEntry($entry);
if ($image !== null) {
$image.css('width', imgWidth);
$image.css('height', imgHeight);
$image.css('margin-left', - imgWidth / 2);
$image.css('margin-top', - imgHeight / 2);
// Image reloading for an high quality of thumbnails
var imageSrc = $image.attr('src');
var newImageSrc = this.newSrc(imageSrc, imgWidth, imgHeight, $image[0]);
$image.one('error', function () {
$image.attr('src', $image.data('jg.originalSrc')); //revert to the original thumbnail, we got it.
});
var loadNewImage = function () {
if (imageSrc !== newImageSrc) { //load the new image after the fadeIn
$image.attr('src', newImageSrc);
}
};
if ($entry.data('jg.loaded') === 'skipped') {
this.onImageEvent(imageSrc, $.proxy(function() {
this.showImg($entry, loadNewImage);
$entry.data('jg.loaded', true);
}, this));
} else {
this.showImg($entry, loadNewImage);
}
} else {
this.showImg($entry);
}
this.displayEntryCaption($entry);
};
/**
* Display the entry caption. If the caption element doesn't exists, it creates the caption using the 'alt'
* or the 'title' attributes.
*
* @param {jQuery} $entry the entry to process
*/
JustifiedGallery.prototype.displayEntryCaption = function ($entry) {
var $image = this.imgFromEntry($entry);
if ($image !== null && this.settings.captions) {
var $imgCaption = this.captionFromEntry($entry);
// Create it if it doesn't exists
if ($imgCaption === null) {
var caption = $image.attr('alt');
if (!this.isValidCaption(caption)) caption = $entry.attr('title');
if (this.isValidCaption(caption)) { // Create only we found something
$imgCaption = $('<div class="caption">' + caption + '</div>');
$entry.append($imgCaption);
$entry.data('jg.createdCaption', true);
}
}
// Create events (we check again the $imgCaption because it can be still inexistent)
if ($imgCaption !== null) {
if (!this.settings.cssAnimation) $imgCaption.stop().fadeTo(0, this.settings.captionSettings.nonVisibleOpacity);
this.addCaptionEventsHandlers($entry);
}
} else {
this.removeCaptionEventsHandlers($entry);
}
};
/**
* Validates the caption
*
* @param caption The caption that should be validated
* @return {boolean} Validation result
*/
JustifiedGallery.prototype.isValidCaption = function (caption) {
return (typeof caption !== 'undefined' && caption.length > 0);
};
/**
* The callback for the event 'mouseenter'. It assumes that the event currentTarget is an entry.
* It shows the caption using jQuery (or using CSS if it is configured so)
*
* @param {Event} eventObject the event object
*/
JustifiedGallery.prototype.onEntryMouseEnterForCaption = function (eventObject) {
var $caption = this.captionFromEntry($(eventObject.currentTarget));
if (this.settings.cssAnimation) {
$caption.addClass('caption-visible').removeClass('caption-hidden');
} else {
$caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
this.settings.captionSettings.visibleOpacity);
}
};
/**
* The callback for the event 'mouseleave'. It assumes that the event currentTarget is an entry.
* It hides the caption using jQuery (or using CSS if it is configured so)
*
* @param {Event} eventObject the event object
*/
JustifiedGallery.prototype.onEntryMouseLeaveForCaption = function (eventObject) {
var $caption = this.captionFromEntry($(eventObject.currentTarget));
if (this.settings.cssAnimation) {
$caption.removeClass('caption-visible').removeClass('caption-hidden');
} else {
$caption.stop().fadeTo(this.settings.captionSettings.animationDuration,
this.settings.captionSettings.nonVisibleOpacity);
}
};
/**
* Add the handlers of the entry for the caption
*
* @param $entry the entry to modify
*/
JustifiedGallery.prototype.addCaptionEventsHandlers = function ($entry) {
var captionMouseEvents = $entry.data('jg.captionMouseEvents');
if (typeof captionMouseEvents === 'undefined') {
captionMouseEvents = {
mouseenter: $.proxy(this.onEntryMouseEnterForCaption, this),
mouseleave: $.proxy(this.onEntryMouseLeaveForCaption, this)
};
$entry.on('mouseenter', undefined, undefined, captionMouseEvents.mouseenter);
$entry.on('mouseleave', undefined, undefined, captionMouseEvents.mouseleave);
$entry.data('jg.captionMouseEvents', captionMouseEvents);
}
};
/**
* Remove the handlers of the entry for the caption
*
* @param $entry the entry to modify
*/
JustifiedGallery.prototype.removeCaptionEventsHandlers = function ($entry) {
var captionMouseEvents = $entry.data('jg.captionMouseEvents');
if (typeof captionMouseEvents !== 'undefined') {
$entry.off('mouseenter', undefined, captionMouseEvents.mouseenter);
$entry.off('mouseleave', undefined, captionMouseEvents.mouseleave);
$entry.removeData('jg.captionMouseEvents');
}
};
/**
* Clear the building row data to be used for a new row
*/
JustifiedGallery.prototype.clearBuildingRow = function () {
this.buildingRow.entriesBuff = [];
this.buildingRow.aspectRatio = 0;
this.buildingRow.width = 0;
};
/**
* Justify the building row, preparing it to
*
* @param isLastRow
* @returns a boolean to know if the row has been justified or not
*/
JustifiedGallery.prototype.prepareBuildingRow = function (isLastRow) {
var i, $entry, imgAspectRatio, newImgW, newImgH, justify = true;
var minHeight = 0;
var availableWidth = this.galleryWidth - 2 * this.border - (
(this.buildingRow.entriesBuff.length - 1) * this.settings.margins);
var rowHeight = availableWidth / this.buildingRow.aspectRatio;
var defaultRowHeight = this.settings.rowHeight;
var justifiable = this.buildingRow.width / availableWidth > this.settings.justifyThreshold;
//Skip the last row if we can't justify it and the lastRow == 'hide'
if (isLastRow && this.settings.lastRow === 'hide' && !justifiable) {
for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
$entry = this.buildingRow.entriesBuff[i];
if (this.settings.cssAnimation)
$entry.removeClass('entry-visible');
else {
$entry.stop().fadeTo(0, 0.1);
$entry.find('> img, > a > img').fadeTo(0, 0);
}
}
return -1;
}
// With lastRow = nojustify, justify if is justificable (the images will not become too big)
if (isLastRow && !justifiable && this.settings.lastRow !== 'justify' && this.settings.lastRow !== 'hide') {
justify = false;
if (this.rows > 0) {
defaultRowHeight = (this.offY - this.border - this.settings.margins * this.rows) / this.rows;
justify = defaultRowHeight * this.buildingRow.aspectRatio / availableWidth > this.settings.justifyThreshold;
}
}
for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
$entry = this.buildingRow.entriesBuff[i];
imgAspectRatio = $entry.data('jg.width') / $entry.data('jg.height');
if (justify) {
newImgW = (i === this.buildingRow.entriesBuff.length - 1) ? availableWidth : rowHeight * imgAspectRatio;
newImgH = rowHeight;
} else {
newImgW = defaultRowHeight * imgAspectRatio;
newImgH = defaultRowHeight;
}
availableWidth -= Math.round(newImgW);
$entry.data('jg.jwidth', Math.round(newImgW));
$entry.data('jg.jheight', Math.ceil(newImgH));
if (i === 0 || minHeight > newImgH) minHeight = newImgH;
}
this.buildingRow.height = minHeight;
return justify;
};
/**
* Flush a row: justify it, modify the gallery height accordingly to the row height
*
* @param isLastRow
*/
JustifiedGallery.prototype.flushRow = function (isLastRow) {
var settings = this.settings;
var $entry, buildingRowRes, offX = this.border, i;
buildingRowRes = this.prepareBuildingRow(isLastRow);
if (isLastRow && settings.lastRow === 'hide' && buildingRowRes === -1) {
this.clearBuildingRow();
return;
}
if(this.maxRowHeight) {
if(this.maxRowHeight < this.buildingRow.height) this.buildingRow.height = this.maxRowHeight;
}
//Align last (unjustified) row
if (isLastRow && (settings.lastRow === 'center' || settings.lastRow === 'right')) {
var availableWidth = this.galleryWidth - 2 * this.border - (this.buildingRow.entriesBuff.length - 1) * settings.margins;
for (i = 0; i < this.buildingRow.entriesBuff.length; i++) {
$entry = this.buildingRow.entriesBuff[i];
availableWidth -= $entry.data('jg.jwidth');
}
if (settings.lastRow === 'center')
offX += availableWidth / 2;
else if (settings.lastRow === 'right')
offX += availableWidth;
}
var lastEntryIdx = this.buildingRow.entriesBuff.length - 1;
for (i = 0; i <= lastEntryIdx; i++) {
$entry = this.buildingRow.entriesBuff[ this.settings.rtl ? lastEntryIdx - i : i ];
this.displayEntry($entry, offX, this.offY, $entry.data('jg.jwidth'), $entry.data('jg.jheight'), this.buildingRow.height);
offX += $entry.data('jg.jwidth') + settings.margins;
}
//Gallery Height
this.galleryHeightToSet = this.offY + this.buildingRow.height + this.border;
this.setGalleryTempHeight(this.galleryHeightToSet + this.getSpinnerHeight());
if (!isLastRow || (this.buildingRow.height <= settings.rowHeight && buildingRowRes)) {
//Ready for a new row
this.offY += this.buildingRow.height + settings.margins;
this.rows += 1;
this.clearBuildingRow();
this.settings.triggerEvent.call(this, 'jg.rowflush');
}
};
// Scroll position not restoring: https://github.com/miromannino/Justified-Gallery/issues/221
var galleryPrevStaticHeight = 0;
JustifiedGallery.prototype.rememberGalleryHeight = function () {
galleryPrevStaticHeight = this.$gallery.height();
this.$gallery.height(galleryPrevStaticHeight);
};
// grow only
JustifiedGallery.prototype.setGalleryTempHeight = function (height) {
galleryPrevStaticHeight = Math.max(height, galleryPrevStaticHeight);
this.$gallery.height(galleryPrevStaticHeight);
};
JustifiedGallery.prototype.setGalleryFinalHeight = function (height) {
galleryPrevStaticHeight = height;
this.$gallery.height(height);
};
/**
* @returns {boolean} a boolean saying if the scrollbar is active or not
*/
function hasScrollBar() {
return $("body").height() > $(window).height();
}
/**
* Checks the width of the gallery container, to know if a new justification is needed
*/
JustifiedGallery.prototype.checkWidth = function () {
this.checkWidthIntervalId = setInterval($.proxy(function () {
// if the gallery is not currently visible, abort.
if (!this.$gallery.is(":visible")) return;
var galleryWidth = parseFloat(this.$gallery.width());
if (hasScrollBar() === this.scrollBarOn) {
if (Math.abs(galleryWidth - this.galleryWidth) > this.settings.refreshSensitivity) {
this.galleryWidth = galleryWidth;
this.rewind();
this.rememberGalleryHeight();
// Restart to analyze
this.startImgAnalyzer(true);
}
} else {
this.scrollBarOn = hasScrollBar();
this.galleryWidth = galleryWidth;
}
}, this), this.settings.refreshTime);
};
/**
* @returns {boolean} a boolean saying if the spinner is active or not
*/
JustifiedGallery.prototype.isSpinnerActive = function () {
return this.spinner.intervalId !== null;
};
/**
* @returns {int} the spinner height
*/
JustifiedGallery.prototype.getSpinnerHeight = function () {
return this.spinner.$el.innerHeight();
};
/**
* Stops the spinner animation and modify the gallery height to exclude the spinner
*/
JustifiedGallery.prototype.stopLoadingSpinnerAnimation = function () {
clearInterval(this.spinner.intervalId);
this.spinner.intervalId = null;
this.setGalleryTempHeight(this.$gallery.height() - this.getSpinnerHeight());
this.spinner.$el.detach();
};
/**
* Starts the spinner animation
*/
JustifiedGallery.prototype.startLoadingSpinnerAnimation = function () {
var spinnerContext = this.spinner;
var $spinnerPoints = spinnerContext.$el.find('span');
clearInterval(spinnerContext.intervalId);
this.$gallery.append(spinnerContext.$el);
this.setGalleryTempHeight(this.offY + this.buildingRow.height + this.getSpinnerHeight());
spinnerContext.intervalId = setInterval(function () {
if (spinnerContext.phase < $spinnerPoints.length) {
$spinnerPoints.eq(spinnerContext.phase).fadeTo(spinnerContext.timeSlot, 1);
} else {
$spinnerPoints.eq(spinnerContext.phase - $spinnerPoints.length).fadeTo(spinnerContext.timeSlot, 0);
}
spinnerContext.phase = (spinnerContext.phase + 1) % ($spinnerPoints.length * 2);
}, spinnerContext.timeSlot);
};
/**
* Rewind the image analysis to start from the first entry.
*/
JustifiedGallery.prototype.rewind = function () {
this.lastFetchedEntry = null;
this.lastAnalyzedIndex = -1;
this.offY = this.border;
this.rows = 0;
this.clearBuildingRow();
};
/**
* Update the entries searching it from the justified gallery HTML element
*
* @param norewind if norewind only the new entries will be changed (i.e. randomized, sorted or filtered)
* @returns {boolean} true if some entries has been founded
*/
JustifiedGallery.prototype.updateEntries = function (norewind) {
var newEntries;
if (norewind && this.lastFetchedEntry != null) {
newEntries = $(this.lastFetchedEntry).nextAll(this.settings.selector).toArray();
} else {
this.entries = [];
newEntries = this.$gallery.children(this.settings.selector).toArray();
}
if (newEntries.length > 0) {
// Sort or randomize
if ($.isFunction(this.settings.sort)) {
newEntries = this.sortArray(newEntries);
} else if (this.settings.randomize) {
newEntries = this.shuffleArray(newEntries);
}
this.lastFetchedEntry = newEntries[newEntries.length - 1];
// Filter
if (this.settings.filter) {
newEntries = this.filterArray(newEntries);
} else {
this.resetFilters(newEntries);
}
}
this.entries = this.entries.concat(newEntries);
return true;
};
/**
* Apply the entries order to the DOM, iterating the entries and appending the images
*
* @param entries the entries that has been modified and that must be re-ordered in the DOM
*/
JustifiedGallery.prototype.insertToGallery = function (entries) {
var that = this;
$.each(entries, function () {
$(this).appendTo(that.$gallery);
});
};
/**
* Shuffle the array using the Fisher-Yates shuffle algorithm
*
* @param a the array to shuffle
* @return the shuffled array
*/
JustifiedGallery.prototype.shuffleArray = function (a) {
var i, j, temp;
for (i = a.length - 1; i > 0; i--) {
j = Math.floor(Math.random() * (i + 1));
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
this.insertToGallery(a);
return a;
};
/**
* Sort the array using settings.comparator as comparator
*
* @param a the array to sort (it is sorted)
* @return the sorted array
*/
JustifiedGallery.prototype.sortArray = function (a) {
a.sort(this.settings.sort);
this.insertToGallery(a);
return a;
};
/**
* Reset the filters removing the 'jg-filtered' class from all the entries
*
* @param a the array to reset
*/
JustifiedGallery.prototype.resetFilters = function (a) {
for (var i = 0; i < a.length; i++) $(a[i]).removeClass('jg-filtered');
};
/**
* Filter the entries considering theirs classes (if a string has been passed) or using a function for filtering.
*
* @param a the array to filter
* @return the filtered array
*/
JustifiedGallery.prototype.filterArray = function (a) {
var settings = this.settings;
if ($.type(settings.filter) === 'string') {
// Filter only keeping the entries passed in the string
return a.filter(function (el) {
var $el = $(el);
if ($el.is(settings.filter)) {
$el.removeClass('jg-filtered');
return true;
} else {
$el.addClass('jg-filtered').removeClass('jg-visible');
return false;
}
});
} else if ($.isFunction(settings.filter)) {
// Filter using the passed function
var filteredArr = a.filter(settings.filter);
for (var i = 0; i < a.length; i++) {
if (filteredArr.indexOf(a[i]) === -1) {
$(a[i]).addClass('jg-filtered').removeClass('jg-visible');
} else {
$(a[i]).removeClass('jg-filtered');
}
}
return filteredArr;
}
};
/**
* Destroy the Justified Gallery instance.
*
* It clears all the css properties added in the style attributes. We doesn't backup the original
* values for those css attributes, because it costs (performance) and because in general one
* shouldn't use the style attribute for an uniform set of images (where we suppose the use of
* classes). Creating a backup is also difficult because JG could be called multiple times and
* with different style attributes.
*/
JustifiedGallery.prototype.destroy = function () {
clearInterval(this.checkWidthIntervalId);
$.each(this.entries, $.proxy(function(_, entry) {
var $entry = $(entry);
// Reset entry style
$entry.css('width', '');
$entry.css('height', '');
$entry.css('top', '');
$entry.css('left', '');
$entry.data('jg.loaded', undefined);
$entry.removeClass('jg-entry');
// Reset image style
var $img = this.imgFromEntry($entry);
$img.css('width', '');
$img.css('height', '');
$img.css('margin-left', '');
$img.css('margin-top', '');
$img.attr('src', $img.data('jg.originalSrc'));
$img.data('jg.originalSrc', undefined);
// Remove caption
this.removeCaptionEventsHandlers($entry);
var $caption = this.captionFromEntry($entry);
if ($entry.data('jg.createdCaption')) {
// remove also the caption element (if created by jg)
$entry.data('jg.createdCaption', undefined);
if ($caption !== null) $caption.remove();
} else {
if ($caption !== null) $caption.fadeTo(0, 1);
}
}, this));
this.$gallery.css('height', '');
this.$gallery.removeClass('justified-gallery');
this.$gallery.data('jg.controller', undefined);
};
/**
* Analyze the images and builds the rows. It returns if it found an image that is not loaded.
*
* @param isForResize if the image analyzer is called for resizing or not, to call a different callback at the end
*/
JustifiedGallery.prototype.analyzeImages = function (isForResize) {
for (var i = this.lastAnalyzedIndex + 1; i < this.entries.length; i++) {
var $entry = $(this.entries[i]);
if ($entry.data('jg.loaded') === true || $entry.data('jg.loaded') === 'skipped') {
var availableWidth = this.galleryWidth - 2 * this.border - (
(this.buildingRow.entriesBuff.length - 1) * this.settings.margins);
var imgAspectRatio = $entry.data('jg.width') / $entry.data('jg.height');
if (availableWidth / (this.buildingRow.aspectRatio + imgAspectRatio) < this.settings.rowHeight) {
this.flushRow(false);
if(++this.yield.flushed >= this.yield.every) {
this.startImgAnalyzer(isForResize);
return;
}
}
this.buildingRow.entriesBuff.push($entry);
this.buildingRow.aspectRatio += imgAspectRatio;
this.buildingRow.width += imgAspectRatio * this.settings.rowHeight;
this.lastAnalyzedIndex = i;
} else if ($entry.data('jg.loaded') !== 'error') {
return;
}
}
// Last row flush (the row is not full)
if (this.buildingRow.entriesBuff.length > 0) this.flushRow(true);
if (this.isSpinnerActive()) {
this.stopLoadingSpinnerAnimation();
}
/* Stop, if there is, the timeout to start the analyzeImages.
This is because an image can be set loaded, and the timeout can be set,
but this image can be analyzed yet.
*/
this.stopImgAnalyzerStarter();
//On complete callback
this.settings.triggerEvent.call(this, isForResize ? 'jg.resize' : 'jg.complete');
this.setGalleryFinalHeight(this.galleryHeightToSet);
};
/**
* Stops any ImgAnalyzer starter (that has an assigned timeout)
*/
JustifiedGallery.prototype.stopImgAnalyzerStarter = function () {
this.yield.flushed = 0;
if (this.imgAnalyzerTimeout !== null) {
clearTimeout(this.imgAnalyzerTimeout);
this.imgAnalyzerTimeout = null;
}
};
/**
* Starts the image analyzer. It is not immediately called to let the browser to update the view
*
* @param isForResize specifies if the image analyzer must be called for resizing or not
*/
JustifiedGallery.prototype.startImgAnalyzer = function (isForResize) {
var that = this;
this.stopImgAnalyzerStarter();
this.imgAnalyzerTimeout = setTimeout(function () {
that.analyzeImages(isForResize);
}, 0.001); // we can't start it immediately due to a IE different behaviour
};
/**
* Checks if the image is loaded or not using another image object. We cannot use the 'complete' image property,
* because some browsers, with a 404 set complete = true.
*
* @param imageSrc the image src to load
* @param onLoad callback that is called when the image has been loaded
* @param onError callback that is called in case of an error
*/
JustifiedGallery.prototype.onImageEvent = function (imageSrc, onLoad, onError) {
if (!onLoad && !onError) return;
var memImage = new Image();
var $memImage = $(memImage);
if (onLoad) {
$memImage.one('load', function () {
$memImage.off('load error');
onLoad(memImage);
});
}
if (onError) {
$memImage.one('error', function() {
$memImage.off('load error');
onError(memImage);
});
}
memImage.src = imageSrc;
};
/**
* Init of Justified Gallery controlled
* It analyzes all the entries starting theirs loading and calling the image analyzer (that works with loaded images)
*/
JustifiedGallery.prototype.init = function () {
var imagesToLoad = false, skippedImages = false, that = this;
$.each(this.entries, function (index, entry) {
var $entry = $(entry);
var $image = that.imgFromEntry($entry);
$entry.addClass('jg-entry');
if ($entry.data('jg.loaded') !== true && $entry.data('jg.loaded') !== 'skipped') {
// Link Rel global overwrite
if (that.settings.rel !== null) $entry.attr('rel', that.settings.rel);
// Link Target global overwrite
if (that.settings.target !== null) $entry.attr('target', that.settings.target);
if ($image !== null) {
// Image src
var imageSrc = that.extractImgSrcFromImage($image);
$image.attr('src', imageSrc);
/* If we have the height and the width, we don't wait that the image is loaded, but we start directly
* with the justification */
if (that.settings.waitThumbnailsLoad === false) {
var width = parseFloat($image.prop('width'));
var height = parseFloat($image.prop('height'));
if (!isNaN(width) && !isNaN(height)) {
$entry.data('jg.width', width);
$entry.data('jg.height', height);
$entry.data('jg.loaded', 'skipped');
skippedImages = true;
that.startImgAnalyzer(false);
return true; // continue
}
}
$entry.data('jg.loaded', false);
imagesToLoad = true;
// Spinner start
if (!that.isSpinnerActive()) that.startLoadingSpinnerAnimation();
that.onImageEvent(imageSrc, function (loadImg) { // image loaded
$entry.data('jg.width', loadImg.width);
$entry.data('jg.height', loadImg.height);
$entry.data('jg.loaded', true);
that.startImgAnalyzer(false);
}, function () { // image load error
$entry.data('jg.loaded', 'error');
that.startImgAnalyzer(false);
});
} else {
$entry.data('jg.loaded', true);
$entry.data('jg.width', $entry.width() | parseFloat($entry.css('width')) | 1);
$entry.data('jg.height', $entry.height() | parseFloat($entry.css('height')) | 1);
}
}
});
if (!imagesToLoad && !skippedImages) this.startImgAnalyzer(false);
this.checkWidth();
};
/**
* Checks that it is a valid number. If a string is passed it is converted to a number
*
* @param settingContainer the object that contains the setting (to allow the conversion)
* @param settingName the setting name
*/
JustifiedGallery.prototype.checkOrConvertNumber = function (settingContainer, settingName) {
if ($.type(settingContainer[settingName]) === 'string') {
settingContainer[settingName] = parseFloat(settingContainer[settingName]);
}
if ($.type(settingContainer[settingName]) === 'number') {
if (isNaN(settingContainer[settingName])) throw 'invalid number for ' + settingName;
} else {
throw settingName + ' must be a number';
}
};
/**
* Checks the sizeRangeSuffixes and, if necessary, converts
* its keys from string (e.g. old settings with 'lt100') to int.
*/
JustifiedGallery.prototype.checkSizeRangesSuffixes = function () {
if ($.type(this.settings.sizeRangeSuffixes) !== 'object') {
throw 'sizeRangeSuffixes must be defined and must be an object';
}
var suffixRanges = [];
for (var rangeIdx in this.settings.sizeRangeSuffixes) {
if (this.settings.sizeRangeSuffixes.hasOwnProperty(rangeIdx)) suffixRanges.push(rangeIdx);
}
var newSizeRngSuffixes = {0: ''};
for (var i = 0; i < suffixRanges.length; i++) {
if ($.type(suffixRanges[i]) === 'string') {
try {
var numIdx = parseInt(suffixRanges[i].replace(/^[a-z]+/, ''), 10);
newSizeRngSuffixes[numIdx] = this.settings.sizeRangeSuffixes[suffixRanges[i]];
} catch (e) {
throw 'sizeRangeSuffixes keys must contains correct numbers (' + e + ')';
}
} else {
newSizeRngSuffixes[suffixRanges[i]] = this.settings.sizeRangeSuffixes[suffixRanges[i]];
}
}
this.settings.sizeRangeSuffixes = newSizeRngSuffixes;
};
/**
* check and convert the maxRowHeight setting
* requires rowHeight to be already set
* TODO: should be always called when only rowHeight is changed
* @return number or null
*/
JustifiedGallery.prototype.retrieveMaxRowHeight = function () {
var newMaxRowHeight = null;
var rowHeight = this.settings.rowHeight;
if ($.type(this.settings.maxRowHeight) === 'string') {
if (this.settings.maxRowHeight.match(/^[0-9]+%$/)) {
newMaxRowHeight = rowHeight * parseFloat(this.settings.maxRowHeight.match(/^([0-9]+)%$/)[1]) / 100;
} else {
newMaxRowHeight = parseFloat(this.settings.maxRowHeight);
}
} else if ($.type(this.settings.maxRowHeight) === 'number') {
newMaxRowHeight = this.settings.maxRowHeight;
} else if (this.settings.maxRowHeight === false || this.settings.maxRowHeight == null) {
return null;
} else {
throw 'maxRowHeight must be a number or a percentage';
}
// check if the converted value is not a number
if (isNaN(newMaxRowHeight)) throw 'invalid number for maxRowHeight';
// check values, maxRowHeight must be >= rowHeight
if (newMaxRowHeight < rowHeight) newMaxRowHeight = rowHeight;
return newMaxRowHeight;
};
/**
* Checks the settings
*/
JustifiedGallery.prototype.checkSettings = function () {
this.checkSizeRangesSuffixes();
this.checkOrConvertNumber(this.settings, 'rowHeight');
this.checkOrConvertNumber(this.settings, 'margins');
this.checkOrConvertNumber(this.settings, 'border');
var lastRowModes = [
'justify',
'nojustify',
'left',
'center',
'right',
'hide'
];
if (lastRowModes.indexOf(this.settings.lastRow) === -1) {
throw 'lastRow must be one of: ' + lastRowModes.join(', ');
}
this.checkOrConvertNumber(this.settings, 'justifyThreshold');
if (this.settings.justifyThreshold < 0 || this.settings.justifyThreshold > 1) {
throw 'justifyThreshold must be in the interval [0,1]';
}
if ($.type(this.settings.cssAnimation) !== 'boolean') {
throw 'cssAnimation must be a boolean';
}
if ($.type(this.settings.captions) !== 'boolean') throw 'captions must be a boolean';
this.checkOrConvertNumber(this.settings.captionSettings, 'animationDuration');
this.checkOrConvertNumber(this.settings.captionSettings, 'visibleOpacity');
if (this.settings.captionSettings.visibleOpacity < 0 ||
this.settings.captionSettings.visibleOpacity > 1) {
throw 'captionSettings.visibleOpacity must be in the interval [0, 1]';
}
this.checkOrConvertNumber(this.settings.captionSettings, 'nonVisibleOpacity');
if (this.settings.captionSettings.nonVisibleOpacity < 0 ||
this.settings.captionSettings.nonVisibleOpacity > 1) {
throw 'captionSettings.nonVisibleOpacity must be in the interval [0, 1]';
}
this.checkOrConvertNumber(this.settings, 'imagesAnimationDuration');
this.checkOrConvertNumber(this.settings, 'refreshTime');
this.checkOrConvertNumber(this.settings, 'refreshSensitivity');
if ($.type(this.settings.randomize) !== 'boolean') throw 'randomize must be a boolean';
if ($.type(this.settings.selector) !== 'string') throw 'selector must be a string';
if (this.settings.sort !== false && !$.isFunction(this.settings.sort)) {
throw 'sort must be false or a comparison function';
}
if (this.settings.filter !== false && !$.isFunction(this.settings.filter) &&
$.type(this.settings.filter) !== 'string') {
throw 'filter must be false, a string or a filter function';
}
};
/**
* It brings all the indexes from the sizeRangeSuffixes and it orders them. They are then sorted and returned.
* @returns {Array} sorted suffix ranges
*/
JustifiedGallery.prototype.retrieveSuffixRanges = function () {
var suffixRanges = [];
for (var rangeIdx in this.settings.sizeRangeSuffixes) {
if (this.settings.sizeRangeSuffixes.hasOwnProperty(rangeIdx)) suffixRanges.push(parseInt(rangeIdx, 10));
}
suffixRanges.sort(function (a, b) { return a > b ? 1 : a < b ? -1 : 0; });
return suffixRanges;
};
/**
* Update the existing settings only changing some of them
*
* @param newSettings the new settings (or a subgroup of them)
*/
JustifiedGallery.prototype.updateSettings = function (newSettings) {
// In this case Justified Gallery has been called again changing only some options
this.settings = $.extend({}, this.settings, newSettings);
this.checkSettings();
// As reported in the settings: negative value = same as margins, 0 = disabled
this.border = this.settings.border >= 0 ? this.settings.border : this.settings.margins;
this.maxRowHeight = this.retrieveMaxRowHeight();
this.suffixRanges = this.retrieveSuffixRanges();
};
JustifiedGallery.prototype.defaults = {
sizeRangeSuffixes: { }, /* e.g. Flickr configuration
{
100: '_t', // used when longest is less than 100px
240: '_m', // used when longest is between 101px and 240px
320: '_n', // ...
500: '',
640: '_z',
1024: '_b' // used as else case because it is the last
}
*/
thumbnailPath: undefined, /* If defined, sizeRangeSuffixes is not used, and this function is used to determine the
path relative to a specific thumbnail size. The function should accept respectively three arguments:
current path, width and height */
rowHeight: 120, // required? required to be > 0?
maxRowHeight: false, // false or negative value to deactivate. Positive number to express the value in pixels,
// A string '[0-9]+%' to express in percentage (e.g. 300% means that the row height
// can't exceed 3 * rowHeight)
margins: 1,
border: -1, // negative value = same as margins, 0 = disabled, any other value to set the border
lastRow: 'nojustify', // … which is the same as 'left', or can be 'justify', 'center', 'right' or 'hide'
justifyThreshold: 0.90, /* if row width / available space > 0.90 it will be always justified
* (i.e. lastRow setting is not considered) */
waitThumbnailsLoad: true,
captions: true,
cssAnimation: true,
imagesAnimationDuration: 500, // ignored with css animations
captionSettings: { // ignored with css animations
animationDuration: 500,
visibleOpacity: 0.7,
nonVisibleOpacity: 0.0
},
rel: null, // rewrite the rel of each analyzed links
target: null, // rewrite the target of all links
extension: /\.[^.\\/]+$/, // regexp to capture the extension of an image
refreshTime: 200, // time interval (in ms) to check if the page changes its width
refreshSensitivity: 0, // change in width allowed (in px) without re-building the gallery
randomize: false,
rtl: false, // right-to-left mode
sort: false, /*
- false: to do not sort
- function: to sort them using the function as comparator (see Array.prototype.sort())
*/
filter: false, /*
- false, null or undefined: for a disabled filter
- a string: an entry is kept if entry.is(filter string) returns true
see jQuery's .is() function for further information
- a function: invoked with arguments (entry, index, array). Return true to keep the entry, false otherwise.
It follows the specifications of the Array.prototype.filter() function of JavaScript.
*/
selector: 'a, div:not(.spinner)', // The selector that is used to know what are the entries of the gallery
imgSelector: '> img, > a > img', // The selector that is used to know what are the images of each entry
triggerEvent: function (event) { // This is called to trigger events, the default behavior is to call $.trigger
this.$gallery.trigger(event); // Consider that 'this' is this set to the JustifiedGallery object, so it can
} // access to fields such as $gallery, useful to trigger events with jQuery.
};
/**
* Justified Gallery plugin for jQuery
*
* Events
* - jg.complete : called when all the gallery has been created
* - jg.resize : called when the gallery has been resized
* - jg.rowflush : when a new row appears
*
* @param arg the action (or the settings) passed when the plugin is called
* @returns {*} the object itself
*/
$.fn.justifiedGallery = function (arg) {
return this.each(function (index, gallery) {
var $gallery = $(gallery);
$gallery.addClass('justified-gallery');
var controller = $gallery.data('jg.controller');
if (typeof controller === 'undefined') {
// Create controller and assign it to the object data
if (typeof arg !== 'undefined' && arg !== null && $.type(arg) !== 'object') {
if (arg === 'destroy') return; // Just a call to an unexisting object
throw 'The argument must be an object';
}
controller = new JustifiedGallery($gallery, $.extend({}, JustifiedGallery.prototype.defaults, arg));
$gallery.data('jg.controller', controller);
} else if (arg === 'norewind') {
// In this case we don't rewind: we analyze only the latest images (e.g. to complete the last unfinished row
// ... left to be more readable
} else if (arg === 'destroy') {
controller.destroy();
return;
} else {
// In this case Justified Gallery has been called again changing only some options
controller.updateSettings(arg);
controller.rewind();
}
// Update the entries list
if (!controller.updateEntries(arg === 'norewind')) return;
// Init justified gallery
controller.init();
});
};
}));
/*!
* jQuery Mousewheel 3.1.13
*
* Copyright jQuery Foundation and other contributors
* Released under the MIT license
* http://jquery.org/license
*/
(function (factory) {
if ( typeof define === 'function' && define.amd ) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS style for Browserify
module.exports = factory;
} else {
// Browser globals
factory(jQuery);
}
}(function ($) {
var toFix = ['wheel', 'mousewheel', 'DOMMouseScroll', 'MozMousePixelScroll'],
toBind = ( 'onwheel' in document || document.documentMode >= 9 ) ?
['wheel'] : ['mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'],
slice = Array.prototype.slice,
nullLowestDeltaTimeout, lowestDelta;
if ( $.event.fixHooks ) {
for ( var i = toFix.length; i; ) {
$.event.fixHooks[ toFix[--i] ] = $.event.mouseHooks;
}
}
var special = $.event.special.mousewheel = {
version: '3.1.12',
setup: function() {
if ( this.addEventListener ) {
for ( var i = toBind.length; i; ) {
this.addEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = handler;
}
// Store the line height and page height for this particular element
$.data(this, 'mousewheel-line-height', special.getLineHeight(this));
$.data(this, 'mousewheel-page-height', special.getPageHeight(this));
},
teardown: function() {
if ( this.removeEventListener ) {
for ( var i = toBind.length; i; ) {
this.removeEventListener( toBind[--i], handler, false );
}
} else {
this.onmousewheel = null;
}
// Clean up the data we added to the element
$.removeData(this, 'mousewheel-line-height');
$.removeData(this, 'mousewheel-page-height');
},
getLineHeight: function(elem) {
var $elem = $(elem),
$parent = $elem['offsetParent' in $.fn ? 'offsetParent' : 'parent']();
if (!$parent.length) {
$parent = $('body');
}
return parseInt($parent.css('fontSize'), 10) || parseInt($elem.css('fontSize'), 10) || 16;
},
getPageHeight: function(elem) {
return $(elem).height();
},
settings: {
adjustOldDeltas: true, // see shouldAdjustOldDeltas() below
normalizeOffset: true // calls getBoundingClientRect for each event
}
};
$.fn.extend({
mousewheel: function(fn) {
return fn ? this.bind('mousewheel', fn) : this.trigger('mousewheel');
},
unmousewheel: function(fn) {
return this.unbind('mousewheel', fn);
}
});
function handler(event) {
var orgEvent = event || window.event,
args = slice.call(arguments, 1),
delta = 0,
deltaX = 0,
deltaY = 0,
absDelta = 0,
offsetX = 0,
offsetY = 0;
event = $.event.fix(orgEvent);
event.type = 'mousewheel';
// Old school scrollwheel delta
if ( 'detail' in orgEvent ) { deltaY = orgEvent.detail * -1; }
if ( 'wheelDelta' in orgEvent ) { deltaY = orgEvent.wheelDelta; }
if ( 'wheelDeltaY' in orgEvent ) { deltaY = orgEvent.wheelDeltaY; }
if ( 'wheelDeltaX' in orgEvent ) { deltaX = orgEvent.wheelDeltaX * -1; }
// Firefox < 17 horizontal scrolling related to DOMMouseScroll event
if ( 'axis' in orgEvent && orgEvent.axis === orgEvent.HORIZONTAL_AXIS ) {
deltaX = deltaY * -1;
deltaY = 0;
}
// Set delta to be deltaY or deltaX if deltaY is 0 for backwards compatabilitiy
delta = deltaY === 0 ? deltaX : deltaY;
// New school wheel delta (wheel event)
if ( 'deltaY' in orgEvent ) {
deltaY = orgEvent.deltaY * -1;
delta = deltaY;
}
if ( 'deltaX' in orgEvent ) {
deltaX = orgEvent.deltaX;
if ( deltaY === 0 ) { delta = deltaX * -1; }
}
// No change actually happened, no reason to go any further
if ( deltaY === 0 && deltaX === 0 ) { return; }
// Need to convert lines and pages to pixels if we aren't already in pixels
// There are three delta modes:
// * deltaMode 0 is by pixels, nothing to do
// * deltaMode 1 is by lines
// * deltaMode 2 is by pages
if ( orgEvent.deltaMode === 1 ) {
var lineHeight = $.data(this, 'mousewheel-line-height');
delta *= lineHeight;
deltaY *= lineHeight;
deltaX *= lineHeight;
} else if ( orgEvent.deltaMode === 2 ) {
var pageHeight = $.data(this, 'mousewheel-page-height');
delta *= pageHeight;
deltaY *= pageHeight;
deltaX *= pageHeight;
}
// Store lowest absolute delta to normalize the delta values
absDelta = Math.max( Math.abs(deltaY), Math.abs(deltaX) );
if ( !lowestDelta || absDelta < lowestDelta ) {
lowestDelta = absDelta;
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
lowestDelta /= 40;
}
}
// Adjust older deltas if necessary
if ( shouldAdjustOldDeltas(orgEvent, absDelta) ) {
// Divide all the things by 40!
delta /= 40;
deltaX /= 40;
deltaY /= 40;
}
// Get a whole, normalized value for the deltas
delta = Math[ delta >= 1 ? 'floor' : 'ceil' ](delta / lowestDelta);
deltaX = Math[ deltaX >= 1 ? 'floor' : 'ceil' ](deltaX / lowestDelta);
deltaY = Math[ deltaY >= 1 ? 'floor' : 'ceil' ](deltaY / lowestDelta);
// Normalise offsetX and offsetY properties
if ( special.settings.normalizeOffset && this.getBoundingClientRect ) {
var boundingRect = this.getBoundingClientRect();
offsetX = event.clientX - boundingRect.left;
offsetY = event.clientY - boundingRect.top;
}
// Add information to the event object
event.deltaX = deltaX;
event.deltaY = deltaY;
event.deltaFactor = lowestDelta;
event.offsetX = offsetX;
event.offsetY = offsetY;
// Go ahead and set deltaMode to 0 since we converted to pixels
// Although this is a little odd since we overwrite the deltaX/Y
// properties with normalized deltas.
event.deltaMode = 0;
// Add event and delta to the front of the arguments
args.unshift(event, delta, deltaX, deltaY);
// Clearout lowestDelta after sometime to better
// handle multiple device types that give different
// a different lowestDelta
// Ex: trackpad = 3 and mouse wheel = 120
if (nullLowestDeltaTimeout) { clearTimeout(nullLowestDeltaTimeout); }
nullLowestDeltaTimeout = setTimeout(nullLowestDelta, 200);
return ($.event.dispatch || $.event.handle).apply(this, args);
}
function nullLowestDelta() {
lowestDelta = null;
}
function shouldAdjustOldDeltas(orgEvent, absDelta) {
// If this is an older event and the delta is divisable by 120,
// then we are assuming that the browser is treating this as an
// older mouse wheel event and that we should divide the deltas
// by 40 to try and get a more usable deltaFactor.
// Side note, this actually impacts the reported scroll distance
// in older browsers and can cause scrolling to be slower than native.
// Turn this off by setting $.event.special.mousewheel.settings.adjustOldDeltas to false.
return special.settings.adjustOldDeltas && orgEvent.type === 'mousewheel' && absDelta % 120 === 0;
}
}));
(function() {
'use strict';
var defaults = {
mode: 'lg-slide',
// Ex : 'ease'
cssEasing: 'ease',
//'for jquery animation'
easing: 'linear',
speed: 600,
height: '100%',
width: '100%',
addClass: '',
startClass: 'lg-start-zoom',
backdropDuration: 150,
hideBarsDelay: 6000,
useLeft: false,
// aria-labelledby attribute fot gallery
ariaLabelledby: '',
//aria-describedby attribute for gallery
ariaDescribedby: '',
closable: true,
loop: true,
escKey: true,
keyPress: true,
controls: true,
slideEndAnimatoin: true,
hideControlOnEnd: false,
mousewheel: true,
getCaptionFromTitleOrAlt: true,
// .lg-item || '.lg-sub-html'
appendSubHtmlTo: '.lg-sub-html',
subHtmlSelectorRelative: false,
/**
* @desc number of preload slides
* will exicute only after the current slide is fully loaded.
*
* @ex you clicked on 4th image and if preload = 1 then 3rd slide and 5th
* slide will be loaded in the background after the 4th slide is fully loaded..
* if preload is 2 then 2nd 3rd 5th 6th slides will be preloaded.. ... ...
*
*/
preload: 1,
showAfterLoad: true,
selector: '',
selectWithin: '',
nextHtml: '',
prevHtml: '',
// 0, 1
index: false,
iframeMaxWidth: '100%',
download: true,
counter: true,
appendCounterTo: '.lg-toolbar',
swipeThreshold: 50,
enableSwipe: true,
enableDrag: true,
dynamic: false,
dynamicEl: [],
galleryId: 1
};
function Plugin(element, options) {
// Current lightGallery element
this.el = element;
// Current jquery element
this.$el = $(element);
// lightGallery settings
this.s = $.extend({}, defaults, options);
// When using dynamic mode, ensure dynamicEl is an array
if (this.s.dynamic && this.s.dynamicEl !== 'undefined' && this.s.dynamicEl.constructor === Array && !this.s.dynamicEl.length) {
throw ('When using dynamic mode, you must also define dynamicEl as an Array.');
}
// lightGallery modules
this.modules = {};
// false when lightgallery complete first slide;
this.lGalleryOn = false;
this.lgBusy = false;
// Timeout function for hiding controls;
this.hideBartimeout = false;
// To determine browser supports for touch events;
this.isTouch = ('ontouchstart' in document.documentElement);
// Disable hideControlOnEnd if sildeEndAnimation is true
if (this.s.slideEndAnimatoin) {
this.s.hideControlOnEnd = false;
}
// Gallery items
if (this.s.dynamic) {
this.$items = this.s.dynamicEl;
} else {
if (this.s.selector === 'this') {
this.$items = this.$el;
} else if (this.s.selector !== '') {
if (this.s.selectWithin) {
this.$items = $(this.s.selectWithin).find(this.s.selector);
} else {
this.$items = this.$el.find($(this.s.selector));
}
} else {
this.$items = this.$el.children();
}
}
// .lg-item
this.$slide = '';
// .lg-outer
this.$outer = '';
this.init();
return this;
}
Plugin.prototype.init = function() {
var _this = this;
// s.preload should not be more than $item.length
if (_this.s.preload > _this.$items.length) {
_this.s.preload = _this.$items.length;
}
// if dynamic option is enabled execute immediately
var _hash = window.location.hash;
if (_hash.indexOf('lg=' + this.s.galleryId) > 0) {
_this.index = parseInt(_hash.split('&slide=')[1], 10);
$('body').addClass('lg-from-hash');
if (!$('body').hasClass('lg-on')) {
setTimeout(function() {
_this.build(_this.index);
});
$('body').addClass('lg-on');
}
}
if (_this.s.dynamic) {
_this.$el.trigger('onBeforeOpen.lg');
_this.index = _this.s.index || 0;
// prevent accidental double execution
if (!$('body').hasClass('lg-on')) {
setTimeout(function() {
_this.build(_this.index);
$('body').addClass('lg-on');
});
}
} else {
// Using different namespace for click because click event should not unbind if selector is same object('this')
_this.$items.on('click.lgcustom', function(event) {
// For IE8
try {
event.preventDefault();
event.preventDefault();
} catch (er) {
event.returnValue = false;
}
_this.$el.trigger('onBeforeOpen.lg');
_this.index = _this.s.index || _this.$items.index(this);
// prevent accidental double execution
if (!$('body').hasClass('lg-on')) {
_this.build(_this.index);
$('body').addClass('lg-on');
}
});
}
};
Plugin.prototype.build = function(index) {
var _this = this;
_this.structure();
// module constructor
$.each($.fn.lightGallery.modules, function(key) {
_this.modules[key] = new $.fn.lightGallery.modules[key](_this.el);
});
// initiate slide function
_this.slide(index, false, false, false);
if (_this.s.keyPress) {
_this.keyPress();
}
if (_this.$items.length > 1) {
_this.arrow();
setTimeout(function() {
_this.enableDrag();
_this.enableSwipe();
}, 50);
if (_this.s.mousewheel) {
_this.mousewheel();
}
} else {
_this.$slide.on('click.lg', function() {
_this.$el.trigger('onSlideClick.lg');
});
}
_this.counter();
_this.closeGallery();
_this.$el.trigger('onAfterOpen.lg');
// Hide controllers if mouse doesn't move for some period
_this.$outer.on('mousemove.lg click.lg touchstart.lg', function() {
_this.$outer.removeClass('lg-hide-items');
clearTimeout(_this.hideBartimeout);
// Timeout will be cleared on each slide movement also
_this.hideBartimeout = setTimeout(function() {
_this.$outer.addClass('lg-hide-items');
}, _this.s.hideBarsDelay);
});
_this.$outer.trigger('mousemove.lg');
};
Plugin.prototype.structure = function() {
var list = '';
var controls = '';
var i = 0;
var subHtmlCont = '';
var template;
var _this = this;
$('body').append('<div class="lg-backdrop"></div>');
$('.lg-backdrop').css('transition-duration', this.s.backdropDuration + 'ms');
// Create gallery items
for (i = 0; i < this.$items.length; i++) {
list += '<div class="lg-item"></div>';
}
// Create controlls
if (this.s.controls && this.$items.length > 1) {
controls = '<div class="lg-actions">' +
'<button aria-label="Previous slide" class="lg-prev lg-icon">' + this.s.prevHtml + '</button>' +
'<button aria-label="Next slide" class="lg-next lg-icon">' + this.s.nextHtml + '</button>' +
'</div>';
}
if (this.s.appendSubHtmlTo === '.lg-sub-html') {
subHtmlCont = '<div role="status" aria-live="polite" class="lg-sub-html"></div>';
}
var ariaLabelledby = this.s.ariaLabelledby ?
'aria-labelledby="' + this.s.ariaLabelledby + '"' : '';
var ariaDescribedby = this.s.ariaDescribedby ?
'aria-describedby="' + this.s.ariaDescribedby + '"' : '';
template = '<div tabindex="-1" aria-modal="true" ' + ariaLabelledby + ' ' + ariaDescribedby + ' role="dialog" class="lg-outer ' + this.s.addClass + ' ' + this.s.startClass + '">' +
'<div class="lg" style="width:' + this.s.width + '; height:' + this.s.height + '">' +
'<div class="lg-inner">' + list + '</div>' +
'<div class="lg-toolbar lg-group">' +
'<button aria-label="Close gallery" class="lg-close lg-icon"></button>' +
'</div>' +
controls +
subHtmlCont +
'</div>' +
'</div>';
$('body').append(template);
this.$outer = $('.lg-outer');
this.$outer.focus();
this.$slide = this.$outer.find('.lg-item');
if (this.s.useLeft) {
this.$outer.addClass('lg-use-left');
// Set mode lg-slide if use left is true;
this.s.mode = 'lg-slide';
} else {
this.$outer.addClass('lg-use-css3');
}
// For fixed height gallery
_this.setTop();
$(window).on('resize.lg orientationchange.lg', function() {
setTimeout(function() {
_this.setTop();
}, 100);
});
// add class lg-current to remove initial transition
this.$slide.eq(this.index).addClass('lg-current');
// add Class for css support and transition mode
if (this.doCss()) {
this.$outer.addClass('lg-css3');
} else {
this.$outer.addClass('lg-css');
// Set speed 0 because no animation will happen if browser doesn't support css3
this.s.speed = 0;
}
this.$outer.addClass(this.s.mode);
if (this.s.enableDrag && this.$items.length > 1) {
this.$outer.addClass('lg-grab');
}
if (this.s.showAfterLoad) {
this.$outer.addClass('lg-show-after-load');
}
if (this.doCss()) {
var $inner = this.$outer.find('.lg-inner');
$inner.css('transition-timing-function', this.s.cssEasing);
$inner.css('transition-duration', this.s.speed + 'ms');
}
setTimeout(function() {
$('.lg-backdrop').addClass('in');
});
setTimeout(function() {
_this.$outer.addClass('lg-visible');
}, this.s.backdropDuration);
if (this.s.download) {
this.$outer.find('.lg-toolbar').append('<a id="lg-download" aria-label="Download" target="_blank" download class="lg-download lg-icon"></a>');
}
// Store the current scroll top value to scroll back after closing the gallery..
this.prevScrollTop = $(window).scrollTop();
};
// For fixed height gallery
Plugin.prototype.setTop = function() {
if (this.s.height !== '100%') {
var wH = $(window).height();
var top = (wH - parseInt(this.s.height, 10)) / 2;
var $lGallery = this.$outer.find('.lg');
if (wH >= parseInt(this.s.height, 10)) {
$lGallery.css('top', top + 'px');
} else {
$lGallery.css('top', '0px');
}
}
};
// Find css3 support
Plugin.prototype.doCss = function() {
// check for css animation support
var support = function() {
var transition = ['transition', 'MozTransition', 'WebkitTransition', 'OTransition', 'msTransition', 'KhtmlTransition'];
var root = document.documentElement;
var i = 0;
for (i = 0; i < transition.length; i++) {
if (transition[i] in root.style) {
return true;
}
}
};
if (support()) {
return true;
}
return false;
};
/**
* @desc Check the given src is video
* @param {String} src
* @return {Object} video type
* Ex:{ youtube : ["//www.youtube.com/watch?v=c0asJgSyxcY", "c0asJgSyxcY"] }
*/
Plugin.prototype.isVideo = function(src, index) {
var html;
if (this.s.dynamic) {
html = this.s.dynamicEl[index].html;
} else {
html = this.$items.eq(index).attr('data-html');
}
if (!src) {
if (html) {
return {
html5: true
};
} else {
console.error('lightGallery :- data-src is not provided on slide item ' + (index + 1) + '. Please make sure the selector property is properly configured. More info - http://sachinchoolur.github.io/lightGallery/demos/html-markup.html');
return false;
}
}
var youtube = src.match(/\/\/(?:www\.)?youtu(?:\.be|be\.com|be-nocookie\.com)\/(?:watch\?v=|embed\/)?([a-z0-9\-\_\%]+)/i);
var vimeo = src.match(/\/\/(?:www\.)?vimeo.com\/([0-9a-z\-_]+)/i);
var dailymotion = src.match(/\/\/(?:www\.)?dai.ly\/([0-9a-z\-_]+)/i);
var vk = src.match(/\/\/(?:www\.)?(?:vk\.com|vkontakte\.ru)\/(?:video_ext\.php\?)(.*)/i);
if (youtube) {
return {
youtube: youtube
};
} else if (vimeo) {
return {
vimeo: vimeo
};
} else if (dailymotion) {
return {
dailymotion: dailymotion
};
} else if (vk) {
return {
vk: vk
};
}
};
/**
* @desc Create image counter
* Ex: 1/10
*/
Plugin.prototype.counter = function() {
if (this.s.counter) {
$(this.s.appendCounterTo).append('<div id="lg-counter" role="status" aria-live="polite"><span id="lg-counter-current">' + (parseInt(this.index, 10) + 1) + '</span> / <span id="lg-counter-all">' + this.$items.length + '</span></div>');
}
};
/**
* @desc add sub-html into the slide
* @param {Number} index - index of the slide
*/
Plugin.prototype.addHtml = function(index) {
var subHtml = null;
var subHtmlUrl;
var $currentEle;
if (this.s.dynamic) {
if (this.s.dynamicEl[index].subHtmlUrl) {
subHtmlUrl = this.s.dynamicEl[index].subHtmlUrl;
} else {
subHtml = this.s.dynamicEl[index].subHtml;
}
} else {
$currentEle = this.$items.eq(index);
if ($currentEle.attr('data-sub-html-url')) {
subHtmlUrl = $currentEle.attr('data-sub-html-url');
} else {
subHtml = $currentEle.attr('data-sub-html');
if (this.s.getCaptionFromTitleOrAlt && !subHtml) {
subHtml = $currentEle.attr('title') || $currentEle.find('img').first().attr('alt');
}
}
}
if (!subHtmlUrl) {
if (typeof subHtml !== 'undefined' && subHtml !== null) {
// get first letter of subhtml
// if first letter starts with . or # get the html form the jQuery object
var fL = subHtml.substring(0, 1);
if (fL === '.' || fL === '#') {
if (this.s.subHtmlSelectorRelative && !this.s.dynamic) {
subHtml = $currentEle.find(subHtml).html();
} else {
subHtml = $(subHtml).html();
}
}
} else {
subHtml = '';
}
}
if (this.s.appendSubHtmlTo === '.lg-sub-html') {
if (subHtmlUrl) {
this.$outer.find(this.s.appendSubHtmlTo).load(subHtmlUrl);
} else {
this.$outer.find(this.s.appendSubHtmlTo).html(subHtml);
}
} else {
if (subHtmlUrl) {
this.$slide.eq(index).load(subHtmlUrl);
} else {
this.$slide.eq(index).append(subHtml);
}
}
// Add lg-empty-html class if title doesn't exist
if (typeof subHtml !== 'undefined' && subHtml !== null) {
if (subHtml === '') {
this.$outer.find(this.s.appendSubHtmlTo).addClass('lg-empty-html');
} else {
this.$outer.find(this.s.appendSubHtmlTo).removeClass('lg-empty-html');
}
}
this.$el.trigger('onAfterAppendSubHtml.lg', [index]);
};
/**
* @desc Preload slides
* @param {Number} index - index of the slide
*/
Plugin.prototype.preload = function(index) {
var i = 1;
var j = 1;
for (i = 1; i <= this.s.preload; i++) {
if (i >= this.$items.length - index) {
break;
}
this.loadContent(index + i, false, 0);
}
for (j = 1; j <= this.s.preload; j++) {
if (index - j < 0) {
break;
}
this.loadContent(index - j, false, 0);
}
};
/**
* @desc Load slide content into slide.
* @param {Number} index - index of the slide.
* @param {Boolean} rec - if true call loadcontent() function again.
* @param {Boolean} delay - delay for adding complete class. it is 0 except first time.
*/
Plugin.prototype.loadContent = function(index, rec, delay) {
var _this = this;
var _hasPoster = false;
var _$img;
var _src;
var _poster;
var _srcset;
var _sizes;
var _html;
var _alt;
var getResponsiveSrc = function(srcItms) {
var rsWidth = [];
var rsSrc = [];
for (var i = 0; i < srcItms.length; i++) {
var __src = srcItms[i].split(' ');
// Manage empty space
if (__src[0] === '') {
__src.splice(0, 1);
}
rsSrc.push(__src[0]);
rsWidth.push(__src[1]);
}
var wWidth = $(window).width();
for (var j = 0; j < rsWidth.length; j++) {
if (parseInt(rsWidth[j], 10) > wWidth) {
_src = rsSrc[j];
break;
}
}
};
if (_this.s.dynamic) {
if (_this.s.dynamicEl[index].poster) {
_hasPoster = true;
_poster = _this.s.dynamicEl[index].poster;
}
_html = _this.s.dynamicEl[index].html;
_src = _this.s.dynamicEl[index].src;
_alt = _this.s.dynamicEl[index].alt;
if (_this.s.dynamicEl[index].responsive) {
var srcDyItms = _this.s.dynamicEl[index].responsive.split(',');
getResponsiveSrc(srcDyItms);
}
_srcset = _this.s.dynamicEl[index].srcset;
_sizes = _this.s.dynamicEl[index].sizes;
} else {
var $currentEle = _this.$items.eq(index);
if ($currentEle.attr('data-poster')) {
_hasPoster = true;
_poster = $currentEle.attr('data-poster');
}
_html = $currentEle.attr('data-html');
_src = $currentEle.attr('href') || $currentEle.attr('data-src');
_alt = $currentEle.attr('title') || $currentEle.find('img').first().attr('alt');
if ($currentEle.attr('data-responsive')) {
var srcItms = $currentEle.attr('data-responsive').split(',');
getResponsiveSrc(srcItms);
}
_srcset = $currentEle.attr('data-srcset');
_sizes = $currentEle.attr('data-sizes');
}
//if (_src || _srcset || _sizes || _poster) {
var iframe = false;
if (_this.s.dynamic) {
if (_this.s.dynamicEl[index].iframe) {
iframe = true;
}
} else {
if (_this.$items.eq(index).attr('data-iframe') === 'true') {
iframe = true;
}
}
var _isVideo = _this.isVideo(_src, index);
if (!_this.$slide.eq(index).hasClass('lg-loaded')) {
if (iframe) {
_this.$slide.eq(index).prepend('<div class="lg-video-cont lg-has-iframe" style="max-width:' + _this.s.iframeMaxWidth + '"><div class="lg-video"><iframe class="lg-object" frameborder="0" src="' + _src + '" allowfullscreen="true"></iframe></div></div>');
} else if (_hasPoster) {
var videoClass = '';
if (_isVideo && _isVideo.youtube) {
videoClass = 'lg-has-youtube';
} else if (_isVideo && _isVideo.vimeo) {
videoClass = 'lg-has-vimeo';
} else {
videoClass = 'lg-has-html5';
}
_this.$slide.eq(index).prepend('<div class="lg-video-cont ' + videoClass + ' "><div class="lg-video"><span class="lg-video-play"></span><img class="lg-object lg-has-poster" src="' + _poster + '" /></div></div>');
} else if (_isVideo) {
_this.$slide.eq(index).prepend('<div class="lg-video-cont "><div class="lg-video"></div></div>');
_this.$el.trigger('hasVideo.lg', [index, _src, _html]);
} else {
_alt = _alt ? 'alt="' + _alt + '"' : '';
_this.$slide.eq(index).prepend('<div class="lg-img-wrap"><img class="lg-object lg-image" ' + _alt + ' src="' + _src + '" /></div>');
}
_this.$el.trigger('onAferAppendSlide.lg', [index]);
_$img = _this.$slide.eq(index).find('.lg-object');
if (_sizes) {
_$img.attr('sizes', _sizes);
}
if (_srcset) {
_$img.attr('srcset', _srcset);
try {
picturefill({
elements: [_$img[0]]
});
} catch (e) {
console.warn('lightGallery :- If you want srcset to be supported for older browser please include picturefil version 2 javascript library in your document.');
}
}
if (this.s.appendSubHtmlTo !== '.lg-sub-html') {
_this.addHtml(index);
}
_this.$slide.eq(index).addClass('lg-loaded');
}
_this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {
// For first time add some delay for displaying the start animation.
var _speed = 0;
// Do not change the delay value because it is required for zoom plugin.
// If gallery opened from direct url (hash) speed value should be 0
if (delay && !$('body').hasClass('lg-from-hash')) {
_speed = delay;
}
setTimeout(function() {
_this.$slide.eq(index).addClass('lg-complete');
_this.$el.trigger('onSlideItemLoad.lg', [index, delay || 0]);
}, _speed);
});
// @todo check load state for html5 videos
if (_isVideo && _isVideo.html5 && !_hasPoster) {
_this.$slide.eq(index).addClass('lg-complete');
}
if (rec === true) {
if (!_this.$slide.eq(index).hasClass('lg-complete')) {
_this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {
_this.preload(index);
});
} else {
_this.preload(index);
}
}
//}
};
/**
* @desc slide function for lightgallery
** Slide() gets call on start
** ** Set lg.on true once slide() function gets called.
** Call loadContent() on slide() function inside setTimeout
** ** On first slide we do not want any animation like slide of fade
** ** So on first slide( if lg.on if false that is first slide) loadContent() should start loading immediately
** ** Else loadContent() should wait for the transition to complete.
** ** So set timeout s.speed + 50
<=> ** loadContent() will load slide content in to the particular slide
** ** It has recursion (rec) parameter. if rec === true loadContent() will call preload() function.
** ** preload will execute only when the previous slide is fully loaded (images iframe)
** ** avoid simultaneous image load
<=> ** Preload() will check for s.preload value and call loadContent() again accoring to preload value
** loadContent() <====> Preload();
* @param {Number} index - index of the slide
* @param {Boolean} fromTouch - true if slide function called via touch event or mouse drag
* @param {Boolean} fromThumb - true if slide function called via thumbnail click
* @param {String} direction - Direction of the slide(next/prev)
*/
Plugin.prototype.slide = function(index, fromTouch, fromThumb, direction) {
var _prevIndex = this.$outer.find('.lg-current').index();
var _this = this;
// Prevent if multiple call
// Required for hsh plugin
if (_this.lGalleryOn && (_prevIndex === index)) {
return;
}
var _length = this.$slide.length;
var _time = _this.lGalleryOn ? this.s.speed : 0;
if (!_this.lgBusy) {
if (this.s.download) {
var _src;
if (_this.s.dynamic) {
_src = _this.s.dynamicEl[index].downloadUrl !== false && (_this.s.dynamicEl[index].downloadUrl || _this.s.dynamicEl[index].src);
} else {
_src = _this.$items.eq(index).attr('data-download-url') !== 'false' && (_this.$items.eq(index).attr('data-download-url') || _this.$items.eq(index).attr('href') || _this.$items.eq(index).attr('data-src'));
}
if (_src) {
$('#lg-download').attr('href', _src);
_this.$outer.removeClass('lg-hide-download');
} else {
_this.$outer.addClass('lg-hide-download');
}
}
this.$el.trigger('onBeforeSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
_this.lgBusy = true;
clearTimeout(_this.hideBartimeout);
// Add title if this.s.appendSubHtmlTo === lg-sub-html
if (this.s.appendSubHtmlTo === '.lg-sub-html') {
// wait for slide animation to complete
setTimeout(function() {
_this.addHtml(index);
}, _time);
}
this.arrowDisable(index);
if (!direction) {
if (index < _prevIndex) {
direction = 'prev';
} else if (index > _prevIndex) {
direction = 'next';
}
}
if (!fromTouch) {
// remove all transitions
_this.$outer.addClass('lg-no-trans');
this.$slide.removeClass('lg-prev-slide lg-next-slide');
if (direction === 'prev') {
//prevslide
this.$slide.eq(index).addClass('lg-prev-slide');
this.$slide.eq(_prevIndex).addClass('lg-next-slide');
} else {
// next slide
this.$slide.eq(index).addClass('lg-next-slide');
this.$slide.eq(_prevIndex).addClass('lg-prev-slide');
}
// give 50 ms for browser to add/remove class
setTimeout(function() {
_this.$slide.removeClass('lg-current');
//_this.$slide.eq(_prevIndex).removeClass('lg-current');
_this.$slide.eq(index).addClass('lg-current');
// reset all transitions
_this.$outer.removeClass('lg-no-trans');
}, 50);
} else {
this.$slide.removeClass('lg-prev-slide lg-current lg-next-slide');
var touchPrev;
var touchNext;
if (_length > 2) {
touchPrev = index - 1;
touchNext = index + 1;
if ((index === 0) && (_prevIndex === _length - 1)) {
// next slide
touchNext = 0;
touchPrev = _length - 1;
} else if ((index === _length - 1) && (_prevIndex === 0)) {
// prev slide
touchNext = 0;
touchPrev = _length - 1;
}
} else {
touchPrev = 0;
touchNext = 1;
}
if (direction === 'prev') {
_this.$slide.eq(touchNext).addClass('lg-next-slide');
} else {
_this.$slide.eq(touchPrev).addClass('lg-prev-slide');
}
_this.$slide.eq(index).addClass('lg-current');
}
if (_this.lGalleryOn) {
setTimeout(function() {
_this.loadContent(index, true, 0);
}, this.s.speed + 50);
setTimeout(function() {
_this.lgBusy = false;
_this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
}, this.s.speed);
} else {
_this.loadContent(index, true, _this.s.backdropDuration);
_this.lgBusy = false;
_this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
}
_this.lGalleryOn = true;
if (this.s.counter) {
$('#lg-counter-current').text(index + 1);
}
}
_this.index = index;
};
/**
* @desc Go to next slide
* @param {Boolean} fromTouch - true if slide function called via touch event
*/
Plugin.prototype.goToNextSlide = function(fromTouch) {
var _this = this;
var _loop = _this.s.loop;
if (fromTouch && _this.$slide.length < 3) {
_loop = false;
}
if (!_this.lgBusy) {
if ((_this.index + 1) < _this.$slide.length) {
_this.index++;
_this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
_this.slide(_this.index, fromTouch, false, 'next');
} else {
if (_loop) {
_this.index = 0;
_this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
_this.slide(_this.index, fromTouch, false, 'next');
} else if (_this.s.slideEndAnimatoin && !fromTouch) {
_this.$outer.addClass('lg-right-end');
setTimeout(function() {
_this.$outer.removeClass('lg-right-end');
}, 400);
}
}
}
};
/**
* @desc Go to previous slide
* @param {Boolean} fromTouch - true if slide function called via touch event
*/
Plugin.prototype.goToPrevSlide = function(fromTouch) {
var _this = this;
var _loop = _this.s.loop;
if (fromTouch && _this.$slide.length < 3) {
_loop = false;
}
if (!_this.lgBusy) {
if (_this.index > 0) {
_this.index--;
_this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
_this.slide(_this.index, fromTouch, false, 'prev');
} else {
if (_loop) {
_this.index = _this.$items.length - 1;
_this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
_this.slide(_this.index, fromTouch, false, 'prev');
} else if (_this.s.slideEndAnimatoin && !fromTouch) {
_this.$outer.addClass('lg-left-end');
setTimeout(function() {
_this.$outer.removeClass('lg-left-end');
}, 400);
}
}
}
};
Plugin.prototype.keyPress = function() {
var _this = this;
if (this.$items.length > 1) {
$(window).on('keyup.lg', function(e) {
if (_this.$items.length > 1) {
if (e.keyCode === 37) {
e.preventDefault();
_this.goToPrevSlide();
}
if (e.keyCode === 39) {
e.preventDefault();
_this.goToNextSlide();
}
}
});
}
$(window).on('keydown.lg', function(e) {
if (_this.s.escKey === true && e.keyCode === 27) {
e.preventDefault();
if (!_this.$outer.hasClass('lg-thumb-open')) {
_this.destroy();
} else {
_this.$outer.removeClass('lg-thumb-open');
}
}
});
};
Plugin.prototype.arrow = function() {
var _this = this;
this.$outer.find('.lg-prev').on('click.lg', function() {
_this.goToPrevSlide();
});
this.$outer.find('.lg-next').on('click.lg', function() {
_this.goToNextSlide();
});
};
Plugin.prototype.arrowDisable = function(index) {
// Disable arrows if s.hideControlOnEnd is true
if (!this.s.loop && this.s.hideControlOnEnd) {
if ((index + 1) < this.$slide.length) {
this.$outer.find('.lg-next').removeAttr('disabled').removeClass('disabled');
} else {
this.$outer.find('.lg-next').attr('disabled', 'disabled').addClass('disabled');
}
if (index > 0) {
this.$outer.find('.lg-prev').removeAttr('disabled').removeClass('disabled');
} else {
this.$outer.find('.lg-prev').attr('disabled', 'disabled').addClass('disabled');
}
}
};
Plugin.prototype.setTranslate = function($el, xValue, yValue) {
// jQuery supports Automatic CSS prefixing since jQuery 1.8.0
if (this.s.useLeft) {
$el.css('left', xValue);
} else {
$el.css({
transform: 'translate3d(' + (xValue) + 'px, ' + yValue + 'px, 0px)'
});
}
};
Plugin.prototype.touchMove = function(startCoords, endCoords) {
var distance = endCoords - startCoords;
if (Math.abs(distance) > 15) {
// reset opacity and transition duration
this.$outer.addClass('lg-dragging');
// move current slide
this.setTranslate(this.$slide.eq(this.index), distance, 0);
// move next and prev slide with current slide
this.setTranslate($('.lg-prev-slide'), -this.$slide.eq(this.index).width() + distance, 0);
this.setTranslate($('.lg-next-slide'), this.$slide.eq(this.index).width() + distance, 0);
}
};
Plugin.prototype.touchEnd = function(distance) {
var _this = this;
// keep slide animation for any mode while dragg/swipe
if (_this.s.mode !== 'lg-slide') {
_this.$outer.addClass('lg-slide');
}
this.$slide.not('.lg-current, .lg-prev-slide, .lg-next-slide').css('opacity', '0');
// set transition duration
setTimeout(function() {
_this.$outer.removeClass('lg-dragging');
if ((distance < 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
_this.goToNextSlide(true);
} else if ((distance > 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
_this.goToPrevSlide(true);
} else if (Math.abs(distance) < 5) {
// Trigger click if distance is less than 5 pix
_this.$el.trigger('onSlideClick.lg');
}
_this.$slide.removeAttr('style');
});
// remove slide class once drag/swipe is completed if mode is not slide
setTimeout(function() {
if (!_this.$outer.hasClass('lg-dragging') && _this.s.mode !== 'lg-slide') {
_this.$outer.removeClass('lg-slide');
}
}, _this.s.speed + 100);
};
Plugin.prototype.enableSwipe = function() {
var _this = this;
var startCoords = 0;
var endCoords = 0;
var isMoved = false;
if (_this.s.enableSwipe && _this.doCss()) {
_this.$slide.on('touchstart.lg', function(e) {
if (!_this.$outer.hasClass('lg-zoomed') && !_this.lgBusy) {
e.preventDefault();
_this.manageSwipeClass();
startCoords = e.originalEvent.targetTouches[0].pageX;
}
});
_this.$slide.on('touchmove.lg', function(e) {
if (!_this.$outer.hasClass('lg-zoomed')) {
e.preventDefault();
endCoords = e.originalEvent.targetTouches[0].pageX;
_this.touchMove(startCoords, endCoords);
isMoved = true;
}
});
_this.$slide.on('touchend.lg', function() {
if (!_this.$outer.hasClass('lg-zoomed')) {
if (isMoved) {
isMoved = false;
_this.touchEnd(endCoords - startCoords);
} else {
_this.$el.trigger('onSlideClick.lg');
}
}
});
}
};
Plugin.prototype.enableDrag = function() {
var _this = this;
var startCoords = 0;
var endCoords = 0;
var isDraging = false;
var isMoved = false;
if (_this.s.enableDrag && _this.doCss()) {
_this.$slide.on('mousedown.lg', function(e) {
if (!_this.$outer.hasClass('lg-zoomed') && !_this.lgBusy && !$(e.target).text().trim()) {
e.preventDefault();
_this.manageSwipeClass();
startCoords = e.pageX;
isDraging = true;
// ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
_this.$outer.scrollLeft += 1;
_this.$outer.scrollLeft -= 1;
// *
_this.$outer.removeClass('lg-grab').addClass('lg-grabbing');
_this.$el.trigger('onDragstart.lg');
}
});
$(window).on('mousemove.lg', function(e) {
if (isDraging) {
isMoved = true;
endCoords = e.pageX;
_this.touchMove(startCoords, endCoords);
_this.$el.trigger('onDragmove.lg');
}
});
$(window).on('mouseup.lg', function(e) {
if (isMoved) {
isMoved = false;
_this.touchEnd(endCoords - startCoords);
_this.$el.trigger('onDragend.lg');
} else if ($(e.target).hasClass('lg-object') || $(e.target).hasClass('lg-video-play')) {
_this.$el.trigger('onSlideClick.lg');
}
// Prevent execution on click
if (isDraging) {
isDraging = false;
_this.$outer.removeClass('lg-grabbing').addClass('lg-grab');
}
});
}
};
Plugin.prototype.manageSwipeClass = function() {
var _touchNext = this.index + 1;
var _touchPrev = this.index - 1;
if (this.s.loop && this.$slide.length > 2) {
if (this.index === 0) {
_touchPrev = this.$slide.length - 1;
} else if (this.index === this.$slide.length - 1) {
_touchNext = 0;
}
}
this.$slide.removeClass('lg-next-slide lg-prev-slide');
if (_touchPrev > -1) {
this.$slide.eq(_touchPrev).addClass('lg-prev-slide');
}
this.$slide.eq(_touchNext).addClass('lg-next-slide');
};
Plugin.prototype.mousewheel = function() {
var _this = this;
_this.$outer.on('mousewheel.lg', function(e) {
if (!e.deltaY) {
return;
}
if (e.deltaY > 0) {
_this.goToPrevSlide();
} else {
_this.goToNextSlide();
}
e.preventDefault();
});
};
Plugin.prototype.closeGallery = function() {
var _this = this;
var mousedown = false;
this.$outer.find('.lg-close').on('click.lg', function() {
_this.destroy();
});
if (_this.s.closable) {
// If you drag the slide and release outside gallery gets close on chrome
// for preventing this check mousedown and mouseup happened on .lg-item or lg-outer
_this.$outer.on('mousedown.lg', function(e) {
if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap')) {
mousedown = true;
} else {
mousedown = false;
}
});
_this.$outer.on('mousemove.lg', function() {
mousedown = false;
});
_this.$outer.on('mouseup.lg', function(e) {
if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap') && mousedown) {
if (!_this.$outer.hasClass('lg-dragging')) {
_this.destroy();
}
}
});
}
};
Plugin.prototype.destroy = function(d) {
var _this = this;
if (!d) {
_this.$el.trigger('onBeforeClose.lg');
$(window).scrollTop(_this.prevScrollTop);
}
/**
* if d is false or undefined destroy will only close the gallery
* plugins instance remains with the element
*
* if d is true destroy will completely remove the plugin
*/
if (d) {
if (!_this.s.dynamic) {
// only when not using dynamic mode is $items a jquery collection
this.$items.off('click.lg click.lgcustom');
}
$.removeData(_this.el, 'lightGallery');
}
// Unbind all events added by lightGallery
this.$el.off('.lg.tm');
// destroy all lightGallery modules
$.each($.fn.lightGallery.modules, function(key) {
if (_this.modules[key]) {
_this.modules[key].destroy();
}
});
this.lGalleryOn = false;
clearTimeout(_this.hideBartimeout);
this.hideBartimeout = false;
$(window).off('.lg');
$('body').removeClass('lg-on lg-from-hash');
if (_this.$outer) {
_this.$outer.removeClass('lg-visible');
}
$('.lg-backdrop').removeClass('in');
setTimeout(function() {
if (_this.$outer) {
_this.$outer.remove();
}
$('.lg-backdrop').remove();
if (!d) {
_this.$el.trigger('onCloseAfter.lg');
}
_this.$el.focus();
}, _this.s.backdropDuration + 50);
};
$.fn.lightGallery = function(options) {
return this.each(function() {
if (!$.data(this, 'lightGallery')) {
$.data(this, 'lightGallery', new Plugin(this, options));
} else {
try {
$(this).data('lightGallery').init();
} catch (err) {
console.error('lightGallery has not initiated properly');
}
}
});
};
$.fn.lightGallery.modules = {};
})();
/*! lg-autoplay - v1.2.0 - 2020-05-03
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2020 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(root["jQuery"]);
}
}(this, function ($) {
(function() {
'use strict';
var defaults = {
autoplay: false,
pause: 5000,
progressBar: true,
fourceAutoplay: false,
autoplayControls: true,
appendAutoplayControlsTo: '.lg-toolbar'
};
/**
* Creates the autoplay plugin.
* @param {object} element - lightGallery element
*/
var Autoplay = function(element) {
this.core = $(element).data('lightGallery');
this.$el = $(element);
// Execute only if items are above 1
if (this.core.$items.length < 2) {
return false;
}
this.core.s = $.extend({}, defaults, this.core.s);
this.interval = false;
// Identify if slide happened from autoplay
this.fromAuto = true;
// Identify if autoplay canceled from touch/drag
this.canceledOnTouch = false;
// save fourceautoplay value
this.fourceAutoplayTemp = this.core.s.fourceAutoplay;
// do not allow progress bar if browser does not support css3 transitions
if (!this.core.doCss()) {
this.core.s.progressBar = false;
}
this.init();
return this;
};
Autoplay.prototype.init = function() {
var _this = this;
// append autoplay controls
if (_this.core.s.autoplayControls) {
_this.controls();
}
// Create progress bar
if (_this.core.s.progressBar) {
_this.core.$outer.find('.lg').append('<div class="lg-progress-bar"><div class="lg-progress"></div></div>');
}
// set progress
_this.progress();
// Start autoplay
if (_this.core.s.autoplay) {
_this.$el.one('onSlideItemLoad.lg.tm', function() {
_this.startlAuto();
});
}
// cancel interval on touchstart and dragstart
_this.$el.on('onDragstart.lg.tm touchstart.lg.tm', function() {
if (_this.interval) {
_this.cancelAuto();
_this.canceledOnTouch = true;
}
});
// restore autoplay if autoplay canceled from touchstart / dragstart
_this.$el.on('onDragend.lg.tm touchend.lg.tm onSlideClick.lg.tm', function() {
if (!_this.interval && _this.canceledOnTouch) {
_this.startlAuto();
_this.canceledOnTouch = false;
}
});
};
Autoplay.prototype.progress = function() {
var _this = this;
var _$progressBar;
var _$progress;
_this.$el.on('onBeforeSlide.lg.tm', function() {
// start progress bar animation
if (_this.core.s.progressBar && _this.fromAuto) {
_$progressBar = _this.core.$outer.find('.lg-progress-bar');
_$progress = _this.core.$outer.find('.lg-progress');
if (_this.interval) {
_$progress.removeAttr('style');
_$progressBar.removeClass('lg-start');
setTimeout(function() {
_$progress.css('transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
_$progressBar.addClass('lg-start');
}, 20);
}
}
// Remove setinterval if slide is triggered manually and fourceautoplay is false
if (!_this.fromAuto && !_this.core.s.fourceAutoplay) {
_this.cancelAuto();
}
_this.fromAuto = false;
});
};
// Manage autoplay via play/stop buttons
Autoplay.prototype.controls = function() {
var _this = this;
var _html = '<button aria-label="Toggle autoplay" class="lg-autoplay-button lg-icon"></button>';
// Append autoplay controls
$(this.core.s.appendAutoplayControlsTo).append(_html);
_this.core.$outer.find('.lg-autoplay-button').on('click.lg', function() {
if ($(_this.core.$outer).hasClass('lg-show-autoplay')) {
_this.cancelAuto();
_this.core.s.fourceAutoplay = false;
} else {
if (!_this.interval) {
_this.startlAuto();
_this.core.s.fourceAutoplay = _this.fourceAutoplayTemp;
}
}
});
};
// Autostart gallery
Autoplay.prototype.startlAuto = function() {
var _this = this;
_this.core.$outer.find('.lg-progress').css('transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
_this.core.$outer.addClass('lg-show-autoplay');
_this.core.$outer.find('.lg-progress-bar').addClass('lg-start');
_this.interval = setInterval(function() {
if (_this.core.index + 1 < _this.core.$items.length) {
_this.core.index++;
} else {
_this.core.index = 0;
}
_this.fromAuto = true;
_this.core.slide(_this.core.index, false, false, 'next');
}, _this.core.s.speed + _this.core.s.pause);
};
// cancel Autostart
Autoplay.prototype.cancelAuto = function() {
clearInterval(this.interval);
this.interval = false;
this.core.$outer.find('.lg-progress').removeAttr('style');
this.core.$outer.removeClass('lg-show-autoplay');
this.core.$outer.find('.lg-progress-bar').removeClass('lg-start');
};
Autoplay.prototype.destroy = function() {
this.cancelAuto();
this.core.$outer.find('.lg-progress-bar').remove();
};
$.fn.lightGallery.modules.autoplay = Autoplay;
})();
}));
/*! lg-fullscreen - v1.2.0 - 2020-05-03
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2020 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(root["jQuery"]);
}
}(this, function ($) {
(function() {
'use strict';
var defaults = {
fullScreen: true
};
function isFullScreen() {
return (
document.fullscreenElement ||
document.mozFullScreenElement ||
document.webkitFullscreenElement ||
document.msFullscreenElement
);
}
var Fullscreen = function(element) {
// get lightGallery core plugin data
this.core = $(element).data('lightGallery');
this.$el = $(element);
// extend module defalut settings with lightGallery core settings
this.core.s = $.extend({}, defaults, this.core.s);
this.init();
return this;
};
Fullscreen.prototype.init = function() {
var fullScreen = '';
if (this.core.s.fullScreen) {
// check for fullscreen browser support
if (!document.fullscreenEnabled && !document.webkitFullscreenEnabled &&
!document.mozFullScreenEnabled && !document.msFullscreenEnabled) {
return;
} else {
fullScreen = '<button aria-label="Toggle fullscreen" class="lg-fullscreen lg-icon"></button>';
this.core.$outer.find('.lg-toolbar').append(fullScreen);
this.fullScreen();
}
}
};
Fullscreen.prototype.requestFullscreen = function() {
var el = document.documentElement;
if (el.requestFullscreen) {
el.requestFullscreen();
} else if (el.msRequestFullscreen) {
el.msRequestFullscreen();
} else if (el.mozRequestFullScreen) {
el.mozRequestFullScreen();
} else if (el.webkitRequestFullscreen) {
el.webkitRequestFullscreen();
}
};
Fullscreen.prototype.exitFullscreen = function() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
};
// https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode
Fullscreen.prototype.fullScreen = function() {
var _this = this;
$(document).on('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg', function() {
_this.core.$outer.toggleClass('lg-fullscreen-on');
});
this.core.$outer.find('.lg-fullscreen').on('click.lg', function() {
if (isFullScreen()) {
_this.exitFullscreen();
} else {
_this.requestFullscreen();
}
});
};
Fullscreen.prototype.destroy = function() {
// exit from fullscreen if activated
if(isFullScreen()) {
this.exitFullscreen();
}
$(document).off('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg');
};
$.fn.lightGallery.modules.fullscreen = Fullscreen;
})();
}));
/*! lg-hash - v1.0.4 - 2017-12-20
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2017 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof exports === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(jQuery);
}
}(this, function ($) {
(function() {
'use strict';
var defaults = {
hash: true
};
var Hash = function(element) {
this.core = $(element).data('lightGallery');
this.core.s = $.extend({}, defaults, this.core.s);
if (this.core.s.hash) {
this.oldHash = window.location.hash;
this.init();
}
return this;
};
Hash.prototype.init = function() {
var _this = this;
var _hash;
// Change hash value on after each slide transition
_this.core.$el.on('onAfterSlide.lg.tm', function(event, prevIndex, index) {
if (history.replaceState) {
history.replaceState(null, null, window.location.pathname + window.location.search + '#lg=' + _this.core.s.galleryId + '&slide=' + index);
} else {
window.location.hash = 'lg=' + _this.core.s.galleryId + '&slide=' + index;
}
});
// Listen hash change and change the slide according to slide value
$(window).on('hashchange.lg.hash', function() {
_hash = window.location.hash;
var _idx = parseInt(_hash.split('&slide=')[1], 10);
// it galleryId doesn't exist in the url close the gallery
if ((_hash.indexOf('lg=' + _this.core.s.galleryId) > -1)) {
_this.core.slide(_idx, false, false);
} else if (_this.core.lGalleryOn) {
_this.core.destroy();
}
});
};
Hash.prototype.destroy = function() {
if (!this.core.s.hash) {
return;
}
// Reset to old hash value
if (this.oldHash && this.oldHash.indexOf('lg=' + this.core.s.galleryId) < 0) {
if (history.replaceState) {
history.replaceState(null, null, this.oldHash);
} else {
window.location.hash = this.oldHash;
}
} else {
if (history.replaceState) {
history.replaceState(null, document.title, window.location.pathname + window.location.search);
} else {
window.location.hash = '';
}
}
this.core.$el.off('.lg.hash');
};
$.fn.lightGallery.modules.hash = Hash;
})();
}));
/*! lg-pager - v1.0.2 - 2017-01-22
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2017 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof exports === 'object') {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(jQuery);
}
}(this, function ($) {
(function() {
'use strict';
var defaults = {
pager: false
};
var Pager = function(element) {
this.core = $(element).data('lightGallery');
this.$el = $(element);
this.core.s = $.extend({}, defaults, this.core.s);
if (this.core.s.pager && this.core.$items.length > 1) {
this.init();
}
return this;
};
Pager.prototype.init = function() {
var _this = this;
var pagerList = '';
var $pagerCont;
var $pagerOuter;
var timeout;
_this.core.$outer.find('.lg').append('<div class="lg-pager-outer"></div>');
if (_this.core.s.dynamic) {
for (var i = 0; i < _this.core.s.dynamicEl.length; i++) {
pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + _this.core.s.dynamicEl[i].thumb + '" /></div></span>';
}
} else {
_this.core.$items.each(function() {
if (!_this.core.s.exThumbImage) {
pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).find('img').attr('src') + '" /></div></span>';
} else {
pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).attr(_this.core.s.exThumbImage) + '" /></div></span>';
}
});
}
$pagerOuter = _this.core.$outer.find('.lg-pager-outer');
$pagerOuter.html(pagerList);
$pagerCont = _this.core.$outer.find('.lg-pager-cont');
$pagerCont.on('click.lg touchend.lg', function() {
var _$this = $(this);
_this.core.index = _$this.index();
_this.core.slide(_this.core.index, false, true, false);
});
$pagerOuter.on('mouseover.lg', function() {
clearTimeout(timeout);
$pagerOuter.addClass('lg-pager-hover');
});
$pagerOuter.on('mouseout.lg', function() {
timeout = setTimeout(function() {
$pagerOuter.removeClass('lg-pager-hover');
});
});
_this.core.$el.on('onBeforeSlide.lg.tm', function(e, prevIndex, index) {
$pagerCont.removeClass('lg-pager-active');
$pagerCont.eq(index).addClass('lg-pager-active');
});
};
Pager.prototype.destroy = function() {
};
$.fn.lightGallery.modules.pager = Pager;
})();
}));
/*! lg-thumbnail - v1.2.0 - 2020-05-03
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2020 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(root["jQuery"]);
}
}(this, function ($) {
(function() {
'use strict';
var defaults = {
thumbnail: true,
animateThumb: true,
currentPagerPosition: 'middle',
thumbWidth: 100,
thumbHeight: '80px',
thumbContHeight: 100,
thumbMargin: 5,
exThumbImage: false,
showThumbByDefault: true,
toogleThumb: true,
pullCaptionUp: true,
enableThumbDrag: true,
enableThumbSwipe: true,
swipeThreshold: 50,
loadYoutubeThumbnail: true,
youtubeThumbSize: 1,
loadVimeoThumbnail: true,
vimeoThumbSize: 'thumbnail_small',
loadDailymotionThumbnail: true
};
var Thumbnail = function(element) {
// get lightGallery core plugin data
this.core = $(element).data('lightGallery');
// extend module default settings with lightGallery core settings
this.core.s = $.extend({}, defaults, this.core.s);
this.$el = $(element);
this.$thumbOuter = null;
this.thumbOuterWidth = 0;
this.thumbTotalWidth = (this.core.$items.length * (this.core.s.thumbWidth + this.core.s.thumbMargin));
this.thumbIndex = this.core.index;
if (this.core.s.animateThumb) {
this.core.s.thumbHeight = '100%';
}
// Thumbnail animation value
this.left = 0;
this.init();
return this;
};
Thumbnail.prototype.init = function() {
var _this = this;
if (this.core.s.thumbnail && this.core.$items.length > 1) {
if (this.core.s.showThumbByDefault) {
setTimeout(function(){
_this.core.$outer.addClass('lg-thumb-open');
}, 700);
}
if (this.core.s.pullCaptionUp) {
this.core.$outer.addClass('lg-pull-caption-up');
}
this.build();
if (this.core.s.animateThumb && this.core.doCss()) {
if (this.core.s.enableThumbDrag) {
this.enableThumbDrag();
}
if (this.core.s.enableThumbSwipe) {
this.enableThumbSwipe();
}
this.thumbClickable = false;
} else {
this.thumbClickable = true;
}
this.toogle();
this.thumbkeyPress();
}
};
Thumbnail.prototype.build = function() {
var _this = this;
var thumbList = '';
var vimeoErrorThumbSize = '';
var $thumb;
var html = '<div class="lg-thumb-outer">' +
'<div class="lg-thumb lg-group">' +
'</div>' +
'</div>';
switch (this.core.s.vimeoThumbSize) {
case 'thumbnail_large':
vimeoErrorThumbSize = '640';
break;
case 'thumbnail_medium':
vimeoErrorThumbSize = '200x150';
break;
case 'thumbnail_small':
vimeoErrorThumbSize = '100x75';
}
_this.core.$outer.addClass('lg-has-thumb');
_this.core.$outer.find('.lg').append(html);
_this.$thumbOuter = _this.core.$outer.find('.lg-thumb-outer');
_this.thumbOuterWidth = _this.$thumbOuter.width();
if (_this.core.s.animateThumb) {
_this.core.$outer.find('.lg-thumb').css({
width: _this.thumbTotalWidth + 'px',
position: 'relative'
});
}
if (this.core.s.animateThumb) {
_this.$thumbOuter.css('height', _this.core.s.thumbContHeight + 'px');
}
function getThumb(src, thumb, index) {
var isVideo = _this.core.isVideo(src, index) || {};
var thumbImg;
var vimeoId = '';
if (isVideo.youtube || isVideo.vimeo || isVideo.dailymotion) {
if (isVideo.youtube) {
if (_this.core.s.loadYoutubeThumbnail) {
thumbImg = '//img.youtube.com/vi/' + isVideo.youtube[1] + '/' + _this.core.s.youtubeThumbSize + '.jpg';
} else {
thumbImg = thumb;
}
} else if (isVideo.vimeo) {
if (_this.core.s.loadVimeoThumbnail) {
thumbImg = '//i.vimeocdn.com/video/error_' + vimeoErrorThumbSize + '.jpg';
vimeoId = isVideo.vimeo[1];
} else {
thumbImg = thumb;
}
} else if (isVideo.dailymotion) {
if (_this.core.s.loadDailymotionThumbnail) {
thumbImg = '//www.dailymotion.com/thumbnail/video/' + isVideo.dailymotion[1];
} else {
thumbImg = thumb;
}
}
} else {
thumbImg = thumb;
}
thumbList += '<div data-vimeo-id="' + vimeoId + '" class="lg-thumb-item" style="width:' + _this.core.s.thumbWidth + 'px; height: ' + _this.core.s.thumbHeight + '; margin-right: ' + _this.core.s.thumbMargin + 'px"><img src="' + thumbImg + '" /></div>';
vimeoId = '';
}
if (_this.core.s.dynamic) {
for (var i = 0; i < _this.core.s.dynamicEl.length; i++) {
getThumb(_this.core.s.dynamicEl[i].src, _this.core.s.dynamicEl[i].thumb, i);
}
} else {
_this.core.$items.each(function(i) {
if (!_this.core.s.exThumbImage) {
getThumb($(this).attr('href') || $(this).attr('data-src'), $(this).find('img').attr('src'), i);
} else {
getThumb($(this).attr('href') || $(this).attr('data-src'), $(this).attr(_this.core.s.exThumbImage), i);
}
});
}
_this.core.$outer.find('.lg-thumb').html(thumbList);
$thumb = _this.core.$outer.find('.lg-thumb-item');
// Load vimeo thumbnails
$thumb.each(function() {
var $this = $(this);
var vimeoVideoId = $this.attr('data-vimeo-id');
if (vimeoVideoId) {
$.getJSON('//www.vimeo.com/api/v2/video/' + vimeoVideoId + '.json?callback=?', {
format: 'json'
}, function(data) {
$this.find('img').attr('src', data[0][_this.core.s.vimeoThumbSize]);
});
}
});
// manage active class for thumbnail
$thumb.eq(_this.core.index).addClass('active');
_this.core.$el.on('onBeforeSlide.lg.tm', function() {
$thumb.removeClass('active');
$thumb.eq(_this.core.index).addClass('active');
});
$thumb.on('click.lg touchend.lg', function() {
var _$this = $(this);
setTimeout(function() {
// In IE9 and bellow touch does not support
// Go to slide if browser does not support css transitions
if ((_this.thumbClickable && !_this.core.lgBusy) || !_this.core.doCss()) {
_this.core.index = _$this.index();
_this.core.slide(_this.core.index, false, true, false);
}
}, 50);
});
_this.core.$el.on('onBeforeSlide.lg.tm', function() {
_this.animateThumb(_this.core.index);
});
$(window).on('resize.lg.thumb orientationchange.lg.thumb', function() {
setTimeout(function() {
_this.animateThumb(_this.core.index);
_this.thumbOuterWidth = _this.$thumbOuter.width();
}, 200);
});
};
Thumbnail.prototype.setTranslate = function(value) {
// jQuery supports Automatic CSS prefixing since jQuery 1.8.0
this.core.$outer.find('.lg-thumb').css({
transform: 'translate3d(-' + (value) + 'px, 0px, 0px)'
});
};
Thumbnail.prototype.animateThumb = function(index) {
var $thumb = this.core.$outer.find('.lg-thumb');
if (this.core.s.animateThumb) {
var position;
switch (this.core.s.currentPagerPosition) {
case 'left':
position = 0;
break;
case 'middle':
position = (this.thumbOuterWidth / 2) - (this.core.s.thumbWidth / 2);
break;
case 'right':
position = this.thumbOuterWidth - this.core.s.thumbWidth;
}
this.left = ((this.core.s.thumbWidth + this.core.s.thumbMargin) * index - 1) - position;
if (this.left > (this.thumbTotalWidth - this.thumbOuterWidth)) {
this.left = this.thumbTotalWidth - this.thumbOuterWidth;
}
if (this.left < 0) {
this.left = 0;
}
if (this.core.lGalleryOn) {
if (!$thumb.hasClass('on')) {
this.core.$outer.find('.lg-thumb').css('transition-duration', this.core.s.speed + 'ms');
}
if (!this.core.doCss()) {
$thumb.animate({
left: -this.left + 'px'
}, this.core.s.speed);
}
} else {
if (!this.core.doCss()) {
$thumb.css('left', -this.left + 'px');
}
}
this.setTranslate(this.left);
}
};
// Enable thumbnail dragging and swiping
Thumbnail.prototype.enableThumbDrag = function() {
var _this = this;
var startCoords = 0;
var endCoords = 0;
var isDraging = false;
var isMoved = false;
var tempLeft = 0;
_this.$thumbOuter.addClass('lg-grab');
_this.core.$outer.find('.lg-thumb').on('mousedown.lg.thumb', function(e) {
if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
// execute only on .lg-object
e.preventDefault();
startCoords = e.pageX;
isDraging = true;
// ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
_this.core.$outer.scrollLeft += 1;
_this.core.$outer.scrollLeft -= 1;
// *
_this.thumbClickable = false;
_this.$thumbOuter.removeClass('lg-grab').addClass('lg-grabbing');
}
});
$(window).on('mousemove.lg.thumb', function(e) {
if (isDraging) {
tempLeft = _this.left;
isMoved = true;
endCoords = e.pageX;
_this.$thumbOuter.addClass('lg-dragging');
tempLeft = tempLeft - (endCoords - startCoords);
if (tempLeft > (_this.thumbTotalWidth - _this.thumbOuterWidth)) {
tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;
}
if (tempLeft < 0) {
tempLeft = 0;
}
// move current slide
_this.setTranslate(tempLeft);
}
});
$(window).on('mouseup.lg.thumb', function() {
if (isMoved) {
isMoved = false;
_this.$thumbOuter.removeClass('lg-dragging');
_this.left = tempLeft;
if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {
_this.thumbClickable = true;
}
} else {
_this.thumbClickable = true;
}
if (isDraging) {
isDraging = false;
_this.$thumbOuter.removeClass('lg-grabbing').addClass('lg-grab');
}
});
};
Thumbnail.prototype.enableThumbSwipe = function() {
var _this = this;
var startCoords = 0;
var endCoords = 0;
var isMoved = false;
var tempLeft = 0;
_this.core.$outer.find('.lg-thumb').on('touchstart.lg', function(e) {
if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
e.preventDefault();
startCoords = e.originalEvent.targetTouches[0].pageX;
_this.thumbClickable = false;
}
});
_this.core.$outer.find('.lg-thumb').on('touchmove.lg', function(e) {
if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
e.preventDefault();
endCoords = e.originalEvent.targetTouches[0].pageX;
isMoved = true;
_this.$thumbOuter.addClass('lg-dragging');
tempLeft = _this.left;
tempLeft = tempLeft - (endCoords - startCoords);
if (tempLeft > (_this.thumbTotalWidth - _this.thumbOuterWidth)) {
tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;
}
if (tempLeft < 0) {
tempLeft = 0;
}
// move current slide
_this.setTranslate(tempLeft);
}
});
_this.core.$outer.find('.lg-thumb').on('touchend.lg', function() {
if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
if (isMoved) {
isMoved = false;
_this.$thumbOuter.removeClass('lg-dragging');
if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {
_this.thumbClickable = true;
}
_this.left = tempLeft;
} else {
_this.thumbClickable = true;
}
} else {
_this.thumbClickable = true;
}
});
};
Thumbnail.prototype.toogle = function() {
var _this = this;
if (_this.core.s.toogleThumb) {
_this.core.$outer.addClass('lg-can-toggle');
_this.$thumbOuter.append('<button aria-label="Toggle thumbnails" class="lg-toogle-thumb lg-icon"></button>');
_this.core.$outer.find('.lg-toogle-thumb').on('click.lg', function() {
_this.core.$outer.toggleClass('lg-thumb-open');
});
}
};
Thumbnail.prototype.thumbkeyPress = function() {
var _this = this;
$(window).on('keydown.lg.thumb', function(e) {
if (e.keyCode === 38) {
e.preventDefault();
_this.core.$outer.addClass('lg-thumb-open');
} else if (e.keyCode === 40) {
e.preventDefault();
_this.core.$outer.removeClass('lg-thumb-open');
}
});
};
Thumbnail.prototype.destroy = function() {
if (this.core.s.thumbnail && this.core.$items.length > 1) {
$(window).off('resize.lg.thumb orientationchange.lg.thumb keydown.lg.thumb');
this.$thumbOuter.remove();
this.core.$outer.removeClass('lg-has-thumb');
}
};
$.fn.lightGallery.modules.Thumbnail = Thumbnail;
})();
}));
/*! lg-zoom - v1.2.0 - 2020-05-03
* http://sachinchoolur.github.io/lightGallery
* Copyright (c) 2020 Sachin N; Licensed GPLv3 */
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module unless amdModuleId is set
define(['jquery'], function (a0) {
return (factory(a0));
});
} else if (typeof module === 'object' && module.exports) {
// Node. Does not work with strict CommonJS, but
// only CommonJS-like environments that support module.exports,
// like Node.
module.exports = factory(require('jquery'));
} else {
factory(root["jQuery"]);
}
}(this, function ($) {
(function() {
'use strict';
var getUseLeft = function() {
var useLeft = false;
var isChrome = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
if (isChrome && parseInt(isChrome[2], 10) < 54) {
useLeft = true;
}
return useLeft;
};
var defaults = {
scale: 1,
zoom: true,
actualSize: true,
enableZoomAfter: 300,
useLeftForZoom: getUseLeft()
};
var Zoom = function(element) {
this.core = $(element).data('lightGallery');
this.core.s = $.extend({}, defaults, this.core.s);
if (this.core.s.zoom && this.core.doCss()) {
this.init();
// Store the zoomable timeout value just to clear it while closing
this.zoomabletimeout = false;
// Set the initial value center
this.pageX = $(window).width() / 2;
this.pageY = ($(window).height() / 2) + $(window).scrollTop();
}
return this;
};
Zoom.prototype.init = function() {
var _this = this;
var zoomIcons = '<button aria-label="Zoom in" id="lg-zoom-in" class="lg-icon"></button><button aria-label="Zoom out" id="lg-zoom-out" class="lg-icon"></button>';
if (_this.core.s.actualSize) {
zoomIcons += '<button aria-label="Actual size" id="lg-actual-size" class="lg-icon"></button>';
}
if (_this.core.s.useLeftForZoom) {
_this.core.$outer.addClass('lg-use-left-for-zoom');
} else {
_this.core.$outer.addClass('lg-use-transition-for-zoom');
}
this.core.$outer.find('.lg-toolbar').append(zoomIcons);
// Add zoomable class
_this.core.$el.on('onSlideItemLoad.lg.tm.zoom', function(event, index, delay) {
// delay will be 0 except first time
var _speed = _this.core.s.enableZoomAfter + delay;
// set _speed value 0 if gallery opened from direct url and if it is first slide
if ($('body').hasClass('lg-from-hash') && delay) {
// will execute only once
_speed = 0;
} else {
// Remove lg-from-hash to enable starting animation.
$('body').removeClass('lg-from-hash');
}
_this.zoomabletimeout = setTimeout(function() {
_this.core.$slide.eq(index).addClass('lg-zoomable');
}, _speed + 30);
});
var scale = 1;
/**
* @desc Image zoom
* Translate the wrap and scale the image to get better user experience
*
* @param {String} scaleVal - Zoom decrement/increment value
*/
var zoom = function(scaleVal) {
var $image = _this.core.$outer.find('.lg-current .lg-image');
var _x;
var _y;
// Find offset manually to avoid issue after zoom
var offsetX = ($(window).width() - $image.prop('offsetWidth')) / 2;
var offsetY = (($(window).height() - $image.prop('offsetHeight')) / 2) + $(window).scrollTop();
_x = _this.pageX - offsetX;
_y = _this.pageY - offsetY;
var x = (scaleVal - 1) * (_x);
var y = (scaleVal - 1) * (_y);
$image.css('transform', 'scale3d(' + scaleVal + ', ' + scaleVal + ', 1)').attr('data-scale', scaleVal);
if (_this.core.s.useLeftForZoom) {
$image.parent().css({
left: -x + 'px',
top: -y + 'px'
}).attr('data-x', x).attr('data-y', y);
} else {
$image.parent().css('transform', 'translate3d(-' + x + 'px, -' + y + 'px, 0)').attr('data-x', x).attr('data-y', y);
}
};
var callScale = function() {
if (scale > 1) {
_this.core.$outer.addClass('lg-zoomed');
} else {
_this.resetZoom();
}
if (scale < 1) {
scale = 1;
}
zoom(scale);
};
var actualSize = function(event, $image, index, fromIcon) {
var w = $image.prop('offsetWidth');
var nw;
if (_this.core.s.dynamic) {
nw = _this.core.s.dynamicEl[index].width || $image[0].naturalWidth || w;
} else {
nw = _this.core.$items.eq(index).attr('data-width') || $image[0].naturalWidth || w;
}
var _scale;
if (_this.core.$outer.hasClass('lg-zoomed')) {
scale = 1;
} else {
if (nw > w) {
_scale = nw / w;
scale = _scale || 2;
}
}
if (fromIcon) {
_this.pageX = $(window).width() / 2;
_this.pageY = ($(window).height() / 2) + $(window).scrollTop();
} else {
_this.pageX = event.pageX || event.originalEvent.targetTouches[0].pageX;
_this.pageY = event.pageY || event.originalEvent.targetTouches[0].pageY;
}
callScale();
setTimeout(function() {
_this.core.$outer.removeClass('lg-grabbing').addClass('lg-grab');
}, 10);
};
var tapped = false;
// event triggered after appending slide content
_this.core.$el.on('onAferAppendSlide.lg.tm.zoom', function(event, index) {
// Get the current element
var $image = _this.core.$slide.eq(index).find('.lg-image');
$image.on('dblclick', function(event) {
actualSize(event, $image, index);
});
$image.on('touchstart', function(event) {
if (!tapped) {
tapped = setTimeout(function() {
tapped = null;
}, 300);
} else {
clearTimeout(tapped);
tapped = null;
actualSize(event, $image, index);
}
event.preventDefault();
});
});
// Update zoom on resize and orientationchange
$(window).on('resize.lg.zoom scroll.lg.zoom orientationchange.lg.zoom', function() {
_this.pageX = $(window).width() / 2;
_this.pageY = ($(window).height() / 2) + $(window).scrollTop();
zoom(scale);
});
$('#lg-zoom-out').on('click.lg', function() {
if (_this.core.$outer.find('.lg-current .lg-image').length) {
scale -= _this.core.s.scale;
callScale();
}
});
$('#lg-zoom-in').on('click.lg', function() {
if (_this.core.$outer.find('.lg-current .lg-image').length) {
scale += _this.core.s.scale;
callScale();
}
});
$('#lg-actual-size').on('click.lg', function(event) {
actualSize(event, _this.core.$slide.eq(_this.core.index).find('.lg-image'), _this.core.index, true);
});
// Reset zoom on slide change
_this.core.$el.on('onBeforeSlide.lg.tm', function() {
scale = 1;
_this.resetZoom();
});
// Drag option after zoom
_this.zoomDrag();
_this.zoomSwipe();
};
// Reset zoom effect
Zoom.prototype.resetZoom = function() {
this.core.$outer.removeClass('lg-zoomed');
this.core.$slide.find('.lg-img-wrap').removeAttr('style data-x data-y');
this.core.$slide.find('.lg-image').removeAttr('style data-scale');
// Reset pagx pagy values to center
this.pageX = $(window).width() / 2;
this.pageY = ($(window).height() / 2) + $(window).scrollTop();
};
Zoom.prototype.zoomSwipe = function() {
var _this = this;
var startCoords = {};
var endCoords = {};
var isMoved = false;
// Allow x direction drag
var allowX = false;
// Allow Y direction drag
var allowY = false;
_this.core.$slide.on('touchstart.lg', function(e) {
if (_this.core.$outer.hasClass('lg-zoomed')) {
var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');
allowY = $image.prop('offsetHeight') * $image.attr('data-scale') > _this.core.$outer.find('.lg').height();
allowX = $image.prop('offsetWidth') * $image.attr('data-scale') > _this.core.$outer.find('.lg').width();
if ((allowX || allowY)) {
e.preventDefault();
startCoords = {
x: e.originalEvent.targetTouches[0].pageX,
y: e.originalEvent.targetTouches[0].pageY
};
}
}
});
_this.core.$slide.on('touchmove.lg', function(e) {
if (_this.core.$outer.hasClass('lg-zoomed')) {
var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
var distanceX;
var distanceY;
e.preventDefault();
isMoved = true;
endCoords = {
x: e.originalEvent.targetTouches[0].pageX,
y: e.originalEvent.targetTouches[0].pageY
};
// reset opacity and transition duration
_this.core.$outer.addClass('lg-zoom-dragging');
if (allowY) {
distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
} else {
distanceY = -Math.abs(_$el.attr('data-y'));
}
if (allowX) {
distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
} else {
distanceX = -Math.abs(_$el.attr('data-x'));
}
if ((Math.abs(endCoords.x - startCoords.x) > 15) || (Math.abs(endCoords.y - startCoords.y) > 15)) {
if (_this.core.s.useLeftForZoom) {
_$el.css({
left: distanceX + 'px',
top: distanceY + 'px'
});
} else {
_$el.css('transform', 'translate3d(' + distanceX + 'px, ' + distanceY + 'px, 0)');
}
}
}
});
_this.core.$slide.on('touchend.lg', function() {
if (_this.core.$outer.hasClass('lg-zoomed')) {
if (isMoved) {
isMoved = false;
_this.core.$outer.removeClass('lg-zoom-dragging');
_this.touchendZoom(startCoords, endCoords, allowX, allowY);
}
}
});
};
Zoom.prototype.zoomDrag = function() {
var _this = this;
var startCoords = {};
var endCoords = {};
var isDraging = false;
var isMoved = false;
// Allow x direction drag
var allowX = false;
// Allow Y direction drag
var allowY = false;
_this.core.$slide.on('mousedown.lg.zoom', function(e) {
// execute only on .lg-object
var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');
allowY = $image.prop('offsetHeight') * $image.attr('data-scale') > _this.core.$outer.find('.lg').height();
allowX = $image.prop('offsetWidth') * $image.attr('data-scale') > _this.core.$outer.find('.lg').width();
if (_this.core.$outer.hasClass('lg-zoomed')) {
if ($(e.target).hasClass('lg-object') && (allowX || allowY)) {
e.preventDefault();
startCoords = {
x: e.pageX,
y: e.pageY
};
isDraging = true;
// ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
_this.core.$outer.scrollLeft += 1;
_this.core.$outer.scrollLeft -= 1;
_this.core.$outer.removeClass('lg-grab').addClass('lg-grabbing');
}
}
});
$(window).on('mousemove.lg.zoom', function(e) {
if (isDraging) {
var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
var distanceX;
var distanceY;
isMoved = true;
endCoords = {
x: e.pageX,
y: e.pageY
};
// reset opacity and transition duration
_this.core.$outer.addClass('lg-zoom-dragging');
if (allowY) {
distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
} else {
distanceY = -Math.abs(_$el.attr('data-y'));
}
if (allowX) {
distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
} else {
distanceX = -Math.abs(_$el.attr('data-x'));
}
if (_this.core.s.useLeftForZoom) {
_$el.css({
left: distanceX + 'px',
top: distanceY + 'px'
});
} else {
_$el.css('transform', 'translate3d(' + distanceX + 'px, ' + distanceY + 'px, 0)');
}
}
});
$(window).on('mouseup.lg.zoom', function(e) {
if (isDraging) {
isDraging = false;
_this.core.$outer.removeClass('lg-zoom-dragging');
// Fix for chrome mouse move on click
if (isMoved && ((startCoords.x !== endCoords.x) || (startCoords.y !== endCoords.y))) {
endCoords = {
x: e.pageX,
y: e.pageY
};
_this.touchendZoom(startCoords, endCoords, allowX, allowY);
}
isMoved = false;
}
_this.core.$outer.removeClass('lg-grabbing').addClass('lg-grab');
});
};
Zoom.prototype.touchendZoom = function(startCoords, endCoords, allowX, allowY) {
var _this = this;
var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');
var distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
var distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
var minY = (_this.core.$outer.find('.lg').height() - $image.prop('offsetHeight')) / 2;
var maxY = Math.abs(($image.prop('offsetHeight') * Math.abs($image.attr('data-scale'))) - _this.core.$outer.find('.lg').height() + minY);
var minX = (_this.core.$outer.find('.lg').width() - $image.prop('offsetWidth')) / 2;
var maxX = Math.abs(($image.prop('offsetWidth') * Math.abs($image.attr('data-scale'))) - _this.core.$outer.find('.lg').width() + minX);
if ((Math.abs(endCoords.x - startCoords.x) > 15) || (Math.abs(endCoords.y - startCoords.y) > 15)) {
if (allowY) {
if (distanceY <= -maxY) {
distanceY = -maxY;
} else if (distanceY >= -minY) {
distanceY = -minY;
}
}
if (allowX) {
if (distanceX <= -maxX) {
distanceX = -maxX;
} else if (distanceX >= -minX) {
distanceX = -minX;
}
}
if (allowY) {
_$el.attr('data-y', Math.abs(distanceY));
} else {
distanceY = -Math.abs(_$el.attr('data-y'));
}
if (allowX) {
_$el.attr('data-x', Math.abs(distanceX));
} else {
distanceX = -Math.abs(_$el.attr('data-x'));
}
if (_this.core.s.useLeftForZoom) {
_$el.css({
left: distanceX + 'px',
top: distanceY + 'px'
});
} else {
_$el.css('transform', 'translate3d(' + distanceX + 'px, ' + distanceY + 'px, 0)');
}
}
};
Zoom.prototype.destroy = function() {
var _this = this;
// Unbind all events added by lightGallery zoom plugin
_this.core.$el.off('.lg.zoom');
$(window).off('.lg.zoom');
_this.core.$slide.off('.lg.zoom');
_this.core.$el.off('.lg.tm.zoom');
_this.resetZoom();
clearTimeout(_this.zoomabletimeout);
_this.zoomabletimeout = false;
};
$.fn.lightGallery.modules.zoom = Zoom;
})();
}));