aboutsummaryrefslogtreecommitdiffstats
path: root/library/justifiedGallery/dist/js
diff options
context:
space:
mode:
Diffstat (limited to 'library/justifiedGallery/dist/js')
-rw-r--r--library/justifiedGallery/dist/js/jquery.justifiedGallery.js586
-rw-r--r--library/justifiedGallery/dist/js/jquery.justifiedGallery.min.js7
2 files changed, 593 insertions, 0 deletions
diff --git a/library/justifiedGallery/dist/js/jquery.justifiedGallery.js b/library/justifiedGallery/dist/js/jquery.justifiedGallery.js
new file mode 100644
index 000000000..2c3eee11b
--- /dev/null
+++ b/library/justifiedGallery/dist/js/jquery.justifiedGallery.js
@@ -0,0 +1,586 @@
+/*!
+ * Justified Gallery - v3.2.0
+ * http://miromannino.com/projects/justified-gallery/
+ * Copyright (c) 2014 Miro Mannino
+ * Licensed under the MIT license.
+ */
+(function($) {
+
+ /* Events
+ jg.complete : called when all the gallery has been created
+ jg.resize : called when the gallery has been resized
+ */
+
+ $.fn.justifiedGallery = function (arg) {
+
+ // Default options
+ var defaults = {
+ sizeRangeSuffixes : {
+ 'lt100': '_t',
+ 'lt240': '_m',
+ 'lt320': '_n',
+ 'lt500': '',
+ 'lt640': '_z',
+ 'lt1024': '_b'
+ },
+ rowHeight : 120,
+ maxRowHeight : 0, //negative value = no limits, 0 = 1.5 * rowHeight
+ margins : 1,
+ lastRow : 'nojustify', // or can be 'justify' or 'hide'
+ justifyThreshold: 0.75, /* if row width / available space > 0.75 it will be always justified
+ (i.e. lastRow setting is not considered) */
+ fixedHeight : false,
+ captions : true,
+ cssAnimation: false,
+ imagesAnimationDuration : 300, //ignored with css animations
+ captionSettings : { //ignored with css animations
+ animationDuration : 500,
+ visibleOpacity : 0.7,
+ nonVisibleOpacity : 0.0
+ },
+ rel : null, //rewrite the rel of each analyzed links
+ target : null, //rewrite the target of all links
+ extension : /\.[^.]+$/,
+ refreshTime : 250,
+ randomize : false
+ };
+
+ function getSuffix(width, height, context) {
+ var longestSide;
+ longestSide = (width > height) ? width : height;
+ if (longestSide <= 100) {
+ return context.settings.sizeRangeSuffixes.lt100;
+ } else if (longestSide <= 240) {
+ return context.settings.sizeRangeSuffixes.lt240;
+ } else if (longestSide <= 320) {
+ return context.settings.sizeRangeSuffixes.lt320;
+ } else if (longestSide <= 500) {
+ return context.settings.sizeRangeSuffixes.lt500;
+ } else if (longestSide <= 640) {
+ return context.settings.sizeRangeSuffixes.lt640;
+ } else {
+ return context.settings.sizeRangeSuffixes.lt1024;
+ }
+ }
+
+ function onEntryMouseEnterForCaption (ev) {
+ var $caption = $(ev.currentTarget).find('.caption');
+ if (ev.data.settings.cssAnimation) {
+ $caption.addClass('caption-visible').removeClass('caption-hidden');
+ } else {
+ $caption.stop().fadeTo(ev.data.settings.captionSettings.animationDuration, ev.data.settings.captionSettings.visibleOpacity);
+ }
+ }
+
+ function onEntryMouseLeaveForCaption (ev) {
+ var $caption = $(ev.currentTarget).find('.caption');
+ if (ev.data.settings.cssAnimation) {
+ $caption.removeClass('caption-visible').removeClass('caption-hidden');
+ } else {
+ $caption.stop().fadeTo(ev.data.settings.captionSettings.animationDuration, ev.data.settings.captionSettings.nonVisibleOpacity);
+ }
+ }
+
+ function displayEntry($entry, x, y, imgWidth, imgHeight, rowHeight, context) {
+ var $image = $entry.find('img');
+ $image.css('width', imgWidth);
+ $image.css('height', imgHeight);
+ $image.css('margin-left', - imgWidth / 2);
+ $image.css('margin-top', - imgHeight / 2);
+ $entry.width(imgWidth);
+ $entry.height(rowHeight);
+ $entry.css('top', y);
+ $entry.css('left', x);
+
+ //DEBUG// console.log('displayEntry: $image.width() = ' + $image.width() + ' $image.height() = ' + $image.height());
+
+ // Image reloading for an high quality of thumbnails
+ var imageSrc = $image.attr('src');
+ var newImageSrc = imageSrc.replace(context.settings.extension, '').replace(context.usedSizeRangeRegExp, '') +
+ getSuffix(imgWidth, imgHeight, context) +
+ imageSrc.match(context.settings.extension)[0];
+
+ $image.one('error', function () {
+ //DEBUG// console.log('revert the original image');
+ $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 (context.settings.cssAnimation) {
+ $entry.addClass('entry-visible');
+ loadNewImage();
+ } else {
+ $entry.stop().fadeTo(context.settings.imagesAnimationDuration, 1.0, loadNewImage);
+ }
+
+ // Captions ------------------------------
+ var captionMouseEvents = $entry.data('jg.captionMouseEvents');
+ if (context.settings.captions === true) {
+ var $imgCaption = $entry.find('.caption');
+ if ($imgCaption.length === 0) { // Create it if it doesn't exists
+ var caption = $image.attr('alt');
+ if (typeof caption === 'undefined') caption = $entry.attr('title');
+ if (typeof caption !== 'undefined') { // Create only we found something
+ $imgCaption = $('<div class="caption">' + caption + '</div>');
+ $entry.append($imgCaption);
+ }
+ }
+
+ // Create events (we check again the $imgCaption because it can be still inexistent)
+ if ($imgCaption.length !== 0) {
+ if (!context.settings.cssAnimation) {
+ $imgCaption.stop().fadeTo(context.settings.imagesAnimationDuration, context.settings.captionSettings.nonVisibleOpacity);
+ }
+ if (typeof captionMouseEvents === 'undefined') {
+ captionMouseEvents = {
+ mouseenter: onEntryMouseEnterForCaption,
+ mouseleave: onEntryMouseLeaveForCaption
+ };
+ $entry.on('mouseenter', undefined, context, captionMouseEvents.mouseenter);
+ $entry.on('mouseleave', undefined, context, captionMouseEvents.mouseleave);
+ $entry.data('jg.captionMouseEvents', captionMouseEvents);
+ }
+ }
+ } else {
+ if (typeof captionMouseEvents !== 'undefined') {
+ $entry.off('mouseenter', undefined, context, captionMouseEvents.mouseenter);
+ $entry.off('mouseleave', undefined, context, captionMouseEvents.mouseleave);
+ $entry.removeData('jg.captionMouseEvents');
+ }
+ }
+
+ }
+
+ function prepareBuildingRow(context, isLastRow) {
+ var i, $entry, $image, imgAspectRatio, newImgW, newImgH, justify = true;
+ var minHeight = 0;
+ var availableWidth = context.galleryWidth - ((context.buildingRow.entriesBuff.length - 1) * context.settings.margins);
+ var rowHeight = availableWidth / context.buildingRow.aspectRatio;
+ var justificable = context.buildingRow.width / availableWidth > context.settings.justifyThreshold;
+
+ //Skip the last row if we can't justify it and the lastRow == 'hide'
+ if (isLastRow && context.settings.lastRow === 'hide' && !justificable) {
+ for (i = 0; i < context.buildingRow.entriesBuff.length; i++) {
+ $entry = context.buildingRow.entriesBuff[i];
+ if (context.settings.cssAnimation)
+ $entry.removeClass('entry-visible');
+ else
+ $entry.stop().fadeTo(0, 0);
+ }
+ return -1;
+ }
+
+ // With lastRow = nojustify, justify if is justificable (the images will not become too big)
+ if (isLastRow && context.settings.lastRow === 'nojustify' && !justificable) justify = false;
+
+ for (i = 0; i < context.buildingRow.entriesBuff.length; i++) {
+ $image = context.buildingRow.entriesBuff[i].find('img');
+ imgAspectRatio = $image.data('jg.imgw') / $image.data('jg.imgh');
+
+ if (justify) {
+ newImgW = rowHeight * imgAspectRatio;
+ newImgH = rowHeight;
+
+ /* With fixedHeight the newImgH must be greater than rowHeight.
+ In some cases here this is not satisfied (due to the justification).
+ But we comment it, because is better to have a shorter but justified row instead
+ to have a cropped image at the end. */
+ /*if (context.settings.fixedHeight && newImgH < context.settings.rowHeight) {
+ newImgW = context.settings.rowHeight * imgAspectRatio;
+ newImgH = context.settings.rowHeight;
+ }*/
+ } else {
+ newImgW = context.settings.rowHeight * imgAspectRatio;
+ newImgH = context.settings.rowHeight;
+ }
+
+ $image.data('jg.imgw', Math.ceil(newImgW));
+ $image.data('jg.imgh', Math.ceil(newImgH));
+ if (i === 0 || minHeight > newImgH) minHeight = newImgH;
+ }
+
+ if (context.settings.fixedHeight && minHeight > context.settings.rowHeight)
+ minHeight = context.settings.rowHeight;
+
+ return minHeight;
+ }
+
+ function rewind(context) {
+ context.lastAnalyzedIndex = -1;
+ context.buildingRow.entriesBuff = [];
+ context.buildingRow.aspectRatio = 0;
+ context.buildingRow.width = 0;
+ context.offY = 0;
+ context.firstRowFlushed = false;
+ }
+
+ function flushRow(context, isLastRow) {
+ var $entry, $image, minHeight, offX = 0;
+
+ //DEBUG// console.log('flush (width: ' + context.buildingRow.width + ', galleryWidth: ' + context.galleryWidth + ', ' + 'isLastRow: ' + isLastRow + ')');
+
+ minHeight = prepareBuildingRow(context, isLastRow);
+ if (isLastRow && context.settings.lastRow === 'hide' && minHeight === -1) {
+ context.buildingRow.entriesBuff = [];
+ context.buildingRow.aspectRatio = 0;
+ context.buildingRow.width = 0;
+ return;
+ }
+
+ if (context.settings.maxRowHeight > 0 && context.settings.maxRowHeight < minHeight)
+ minHeight = context.settings.maxRowHeight;
+ else if (context.settings.maxRowHeight === 0 && (1.5 * context.settings.rowHeight) < minHeight)
+ minHeight = 1.5 * context.settings.rowHeight;
+
+ for (var i = 0; i < context.buildingRow.entriesBuff.length; i++) {
+ $entry = context.buildingRow.entriesBuff[i];
+ $image = $entry.find('img');
+ displayEntry($entry, offX, context.offY, $image.data('jg.imgw'), $image.data('jg.imgh'), minHeight, context);
+ offX += $image.data('jg.imgw') + context.settings.margins;
+ }
+
+ //Gallery Height
+ context.$gallery.height(context.offY + minHeight +
+ (context.spinner.active ? context.spinner.$el.innerHeight() : 0)
+ );
+
+ if(!isLastRow) {
+ //Ready for a new row
+ context.offY += minHeight + context.settings.margins;
+
+ //DEBUG// console.log('minHeight: ' + minHeight + ' offY: ' + context.offY);
+
+ context.buildingRow.entriesBuff = []; //clear the array creating a new one
+ context.buildingRow.aspectRatio = 0;
+ context.buildingRow.width = 0;
+ context.firstRowFlushed = true;
+ context.$gallery.trigger('jg.rowflush');
+ }
+ }
+
+ function checkWidth(context) {
+ context.checkWidthIntervalId = setInterval(function () {
+ var galleryWidth = parseInt(context.$gallery.width(), 10);
+ if (context.galleryWidth !== galleryWidth) {
+ //DEBUG// console.log("resize. old: " + context.galleryWidth + " new: " + galleryWidth);
+
+ context.galleryWidth = galleryWidth;
+ rewind(context);
+
+ // Restart to analyze
+ startImgAnalyzer(context, true);
+ }
+ }, context.settings.refreshTime);
+ }
+
+ function startLoadingSpinnerAnimation(spinnerContext) {
+ clearInterval(spinnerContext.intervalId);
+ spinnerContext.intervalId = setInterval(function () {
+ if (spinnerContext.phase < spinnerContext.$points.length)
+ spinnerContext.$points.eq(spinnerContext.phase).fadeTo(spinnerContext.timeslot, 1);
+ else
+ spinnerContext.$points.eq(spinnerContext.phase - spinnerContext.$points.length).fadeTo(spinnerContext.timeslot, 0);
+ spinnerContext.phase = (spinnerContext.phase + 1) % (spinnerContext.$points.length * 2);
+ }, spinnerContext.timeslot);
+ }
+
+ function stopLoadingSpinnerAnimation(spinnerContext) {
+ clearInterval(spinnerContext.intervalId);
+ spinnerContext.intervalId = null;
+ }
+
+ function stopImgAnalyzerStarter(context) {
+ context.yield.flushed = 0;
+ if (context.imgAnalyzerTimeout !== null) clearTimeout(context.imgAnalyzerTimeout);
+ }
+
+ function startImgAnalyzer(context, isForResize) {
+ stopImgAnalyzerStarter(context);
+ context.imgAnalyzerTimeout = setTimeout(function () { analyzeImages(context, isForResize); }, 0.001);
+ analyzeImages(context, isForResize);
+ }
+
+ function analyzeImages(context, isForResize) {
+
+ //DEBUG//
+ /*var rnd = parseInt(Math.random() * 10000, 10);
+ //DEBUG// console.log('analyzeImages ' + rnd + ' start');
+ //DEBUG// console.log('images status: ');
+ for (var i = 0; i < context.entries.length; i++) {
+ var $entry = $(context.entries[i]);
+ var $image = $entry.find('img');
+ //DEBUG// console.log(i + ' (alt: ' + $image.attr('alt') + 'loaded: ' + $image.data('jg.loaded') + ')');
+ }*/
+
+ /* The first row */
+ var isLastRow;
+
+ for (var i = context.lastAnalyzedIndex + 1; i < context.entries.length; i++) {
+ var $entry = $(context.entries[i]);
+ var $image = $entry.find('img');
+
+ if ($image.data('jg.loaded') === true) {
+ isLastRow = i >= context.entries.length - 1;
+
+ var availableWidth = context.galleryWidth - ((context.buildingRow.entriesBuff.length - 1) * context.settings.margins);
+ var imgAspectRatio = $image.data('jg.imgw') / $image.data('jg.imgh');
+ if (availableWidth / (context.buildingRow.aspectRatio + imgAspectRatio) < context.settings.rowHeight) {
+ flushRow(context, isLastRow);
+
+ if(++context.yield.flushed >= context.yield.every) {
+ //DEBUG// console.log("yield");
+ startImgAnalyzer(context, isForResize);
+ return;
+ }
+ }
+
+ context.buildingRow.entriesBuff.push($entry);
+ context.buildingRow.aspectRatio += imgAspectRatio;
+ context.buildingRow.width += imgAspectRatio * context.settings.rowHeight;
+ context.lastAnalyzedIndex = i;
+
+ } else if ($image.data('jg.loaded') !== 'error') {
+ return;
+ }
+ }
+
+ // Last row flush (the row is not full)
+ if (context.buildingRow.entriesBuff.length > 0) flushRow(context, isLastRow);
+
+ if (context.spinner.active) {
+ context.spinner.active = false;
+ context.$gallery.height(context.$gallery.height() - context.spinner.$el.innerHeight());
+ context.spinner.$el.detach();
+ stopLoadingSpinnerAnimation(context.spinner);
+ }
+
+ /* Stop, if there is, the timeout to start the analyzeImages.
+ This is because an image can be set loaded, and the timeout can be set,
+ but this image can be analyzed yet.
+ */
+ stopImgAnalyzerStarter(context);
+
+ //On complete callback
+ if (!isForResize) context.$gallery.trigger('jg.complete'); else context.$gallery.trigger('jg.resize');
+
+ //DEBUG// console.log('analyzeImages ' + rnd + ' end');
+ }
+
+ function checkSettings (context) {
+
+ function checkSuffixesRange(range) {
+ if (typeof context.settings.sizeRangeSuffixes[range] !== 'string')
+ throw 'sizeRangeSuffixes.' + range + ' must be a string';
+ }
+
+ function checkOrConvertNumber(parent, settingName) {
+ if (typeof parent[settingName] === 'string') {
+ parent[settingName] = parseFloat(parent[settingName], 10);
+ if (isNaN(parent[settingName])) throw 'invalid number for ' + settingName;
+ } else if (typeof parent[settingName] === 'number') {
+ if (isNaN(parent[settingName])) throw 'invalid number for ' + settingName;
+ } else {
+ throw settingName + ' must be a number';
+ }
+ }
+
+ if (typeof context.settings.sizeRangeSuffixes !== 'object')
+ throw 'sizeRangeSuffixes must be defined and must be an object';
+
+ checkSuffixesRange('lt100');
+ checkSuffixesRange('lt240');
+ checkSuffixesRange('lt320');
+ checkSuffixesRange('lt500');
+ checkSuffixesRange('lt640');
+ checkSuffixesRange('lt1024');
+
+ checkOrConvertNumber(context.settings, 'rowHeight');
+ checkOrConvertNumber(context.settings, 'maxRowHeight');
+ checkOrConvertNumber(context.settings, 'margins');
+
+ if (context.settings.lastRow !== 'nojustify' &&
+ context.settings.lastRow !== 'justify' &&
+ context.settings.lastRow !== 'hide') {
+ throw 'lastRow must be "nojustify", "justify" or "hide"';
+ }
+
+ checkOrConvertNumber(context.settings, 'justifyThreshold');
+ if (context.settings.justifyThreshold < 0 || context.settings.justifyThreshold > 1)
+ throw 'justifyThreshold must be in the interval [0,1]';
+ if (typeof context.settings.cssAnimation !== 'boolean') {
+ throw 'cssAnimation must be a boolean';
+ }
+
+ checkOrConvertNumber(context.settings.captionSettings, 'animationDuration');
+ checkOrConvertNumber(context.settings, 'imagesAnimationDuration');
+
+ checkOrConvertNumber(context.settings.captionSettings, 'visibleOpacity');
+ if (context.settings.captionSettings.visibleOpacity < 0 || context.settings.captionSettings.visibleOpacity > 1)
+ throw 'captionSettings.visibleOpacity must be in the interval [0, 1]';
+
+ checkOrConvertNumber(context.settings.captionSettings, 'nonVisibleOpacity');
+ if (context.settings.captionSettings.visibleOpacity < 0 || context.settings.captionSettings.visibleOpacity > 1)
+ throw 'captionSettings.nonVisibleOpacity must be in the interval [0, 1]';
+
+ if (typeof context.settings.fixedHeight !== 'boolean') {
+ throw 'fixedHeight must be a boolean';
+ }
+
+ if (typeof context.settings.captions !== 'boolean') {
+ throw 'captions must be a boolean';
+ }
+
+ checkOrConvertNumber(context.settings, 'refreshTime');
+
+ if (typeof context.settings.randomize !== 'boolean') {
+ throw 'randomize must be a boolean';
+ }
+
+ }
+
+ return this.each(function (index, gallery) {
+ var $gallery = $(gallery);
+ $gallery.addClass('justified-gallery');
+
+ var context = $gallery.data('jg.context');
+ if (typeof context === 'undefined') {
+
+ if (typeof arg !== 'undefined' && arg !== null && typeof arg !== 'object')
+ throw 'The argument must be an object';
+
+ // Spinner init
+ var $spinner = $('<div class="spinner"><span></span><span></span><span></span></div>');
+
+ //Context init
+ context = {
+ settings : $.extend({}, defaults, arg),
+ imgAnalyzerTimeout : null,
+ entries : null,
+ buildingRow : {
+ entriesBuff : [],
+ width : 0,
+ aspectRatio : 0
+ },
+ lastAnalyzedIndex : -1,
+ firstRowFlushed : false,
+ yield : {
+ every : 2, /* do a flush every context.yield.every flushes (
+ * must be greater than 1, else the analyzeImages will loop */
+ flushed : 0 //flushed rows without a yield
+ },
+ offY : 0,
+ spinner : {
+ active : false,
+ phase : 0,
+ timeslot : 150,
+ $el : $spinner,
+ $points : $spinner.find('span'),
+ intervalId : null
+ },
+ checkWidthIntervalId : null,
+ galleryWidth : $gallery.width(),
+ $gallery : $gallery
+ };
+
+ $gallery.data('jg.context', context);
+
+ } else if (arg === 'norewind') {
+ // In this case we don't rewind, and analyze all the images
+ } else {
+ //redmatrix - this makes the gallery jump back to top after new content is loaded
+ context.settings = $.extend({}, context.settings, arg);
+ rewind(context);
+ }
+
+ checkSettings(context);
+
+ context.entries = $gallery.find('> a').toArray();
+ if (context.entries.length === 0) return;
+
+ // Randomize
+ if (context.settings.randomize) {
+ context.entries.sort(function () { return Math.random() * 2 - 1; });
+ $.each(context.entries, function () {
+ $(this).appendTo($gallery);
+ });
+ }
+
+ context.usedSizeRangeRegExp = new RegExp("(" +
+ context.settings.sizeRangeSuffixes.lt100 + "|" +
+ context.settings.sizeRangeSuffixes.lt240 + "|" +
+ context.settings.sizeRangeSuffixes.lt320 + "|" +
+ context.settings.sizeRangeSuffixes.lt500 + "|" +
+ context.settings.sizeRangeSuffixes.lt640 + "|" +
+ context.settings.sizeRangeSuffixes.lt1024 + ")$"
+ );
+
+ if (context.settings.maxRowHeight > 0 && context.settings.maxRowHeight < context.settings.rowHeight)
+ context.settings.maxRowHeight = context.settings.rowHeight;
+
+ var imagesToLoad = false;
+ $.each(context.entries, function (index, entry) {
+ var $entry = $(entry);
+ var $image = $entry.find('img');
+
+ if ($image.data('jg.loaded') !== true) {
+ $image.data('jg.loaded', false);
+
+ //DEBUG// console.log('listed ' + $image.attr('alt'));
+
+ imagesToLoad = true;
+ // Spinner start
+ if (context.spinner.active === false) {
+ context.spinner.active = true;
+ $gallery.append(context.spinner.$el);
+ $gallery.height(context.offY + context.spinner.$el.innerHeight());
+ startLoadingSpinnerAnimation(context.spinner);
+ }
+
+ // Link Rel global overwrite
+ if (context.settings.rel !== null) $entry.attr('rel', context.settings.rel);
+
+ // Link Target global overwrite
+ if (context.settings.target !== null) $entry.attr('target', context.settings.target);
+
+ // Image src
+ var imageSrc = (typeof $image.data('safe-src') !== 'undefined') ? $image.data('safe-src') : $image.attr('src');
+ $image.data('jg.originalSrc', imageSrc);
+ $image.attr('src', imageSrc);
+
+ /* Check 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 */
+ var loadImg = new Image();
+ var $loadImg = $(loadImg);
+ $loadImg.one('load', function imgLoaded () {
+ //DEBUG// console.log('img load (alt: ' + $image.attr('alt') + ')');
+ $image.off('load error');
+ $image.data('jg.imgw', loadImg.width);
+ $image.data('jg.imgh', loadImg.height);
+ $image.data('jg.loaded', true);
+ startImgAnalyzer(context, false);
+ });
+ $loadImg.one('error', function imgLoadError () {
+ //DEBUG// console.log('img error (alt: ' + $image.attr('alt') + ')');
+ $image.off('load error');
+ $image.data('jg.loaded', 'error');
+ startImgAnalyzer(context, false);
+ });
+ loadImg.src = imageSrc;
+
+ }
+
+ });
+
+ if (!imagesToLoad) startImgAnalyzer(context, false);
+ checkWidth(context);
+ });
+
+ };
+
+}(jQuery));
diff --git a/library/justifiedGallery/dist/js/jquery.justifiedGallery.min.js b/library/justifiedGallery/dist/js/jquery.justifiedGallery.min.js
new file mode 100644
index 000000000..2b4584466
--- /dev/null
+++ b/library/justifiedGallery/dist/js/jquery.justifiedGallery.min.js
@@ -0,0 +1,7 @@
+/*!
+ * Justified Gallery - v3.2.0
+ * http://miromannino.com/projects/justified-gallery/
+ * Copyright (c) 2014 Miro Mannino
+ * Licensed under the MIT license.
+ */
+!function(a){a.fn.justifiedGallery=function(b){function c(a,b,c){var d;return d=a>b?a:b,100>=d?c.settings.sizeRangeSuffixes.lt100:240>=d?c.settings.sizeRangeSuffixes.lt240:320>=d?c.settings.sizeRangeSuffixes.lt320:500>=d?c.settings.sizeRangeSuffixes.lt500:640>=d?c.settings.sizeRangeSuffixes.lt640:c.settings.sizeRangeSuffixes.lt1024}function d(b){var c=a(b.currentTarget).find(".caption");b.data.settings.cssAnimation?c.addClass("caption-visible").removeClass("caption-hidden"):c.stop().fadeTo(b.data.settings.captionSettings.animationDuration,b.data.settings.captionSettings.visibleOpacity)}function e(b){var c=a(b.currentTarget).find(".caption");b.data.settings.cssAnimation?c.removeClass("caption-visible").removeClass("caption-hidden"):c.stop().fadeTo(b.data.settings.captionSettings.animationDuration,b.data.settings.captionSettings.nonVisibleOpacity)}function f(b,f,g,h,i,j,k){var l=b.find("img");l.css("width",h),l.css("height",i),l.css("margin-left",-h/2),l.css("margin-top",-i/2),b.width(h),b.height(j),b.css("top",g),b.css("left",f);var m=l.attr("src"),n=m.replace(k.settings.extension,"").replace(k.usedSizeRangeRegExp,"")+c(h,i,k)+m.match(k.settings.extension)[0];l.one("error",function(){l.attr("src",l.data("jg.originalSrc"))});var o=function(){m!==n&&l.attr("src",n)};k.settings.cssAnimation?(b.addClass("entry-visible"),o()):b.stop().fadeTo(k.settings.imagesAnimationDuration,1,o);var p=b.data("jg.captionMouseEvents");if(k.settings.captions===!0){var q=b.find(".caption");if(0===q.length){var r=l.attr("alt");"undefined"==typeof r&&(r=b.attr("title")),"undefined"!=typeof r&&(q=a('<div class="caption">'+r+"</div>"),b.append(q))}0!==q.length&&(k.settings.cssAnimation||q.stop().fadeTo(k.settings.imagesAnimationDuration,k.settings.captionSettings.nonVisibleOpacity),"undefined"==typeof p&&(p={mouseenter:d,mouseleave:e},b.on("mouseenter",void 0,k,p.mouseenter),b.on("mouseleave",void 0,k,p.mouseleave),b.data("jg.captionMouseEvents",p)))}else"undefined"!=typeof p&&(b.off("mouseenter",void 0,k,p.mouseenter),b.off("mouseleave",void 0,k,p.mouseleave),b.removeData("jg.captionMouseEvents"))}function g(a,b){var c,d,e,f,g,h,i=!0,j=0,k=a.galleryWidth-(a.buildingRow.entriesBuff.length-1)*a.settings.margins,l=k/a.buildingRow.aspectRatio,m=a.buildingRow.width/k>a.settings.justifyThreshold;if(b&&"hide"===a.settings.lastRow&&!m){for(c=0;c<a.buildingRow.entriesBuff.length;c++)d=a.buildingRow.entriesBuff[c],a.settings.cssAnimation?d.removeClass("entry-visible"):d.stop().fadeTo(0,0);return-1}for(b&&"nojustify"===a.settings.lastRow&&!m&&(i=!1),c=0;c<a.buildingRow.entriesBuff.length;c++)e=a.buildingRow.entriesBuff[c].find("img"),f=e.data("jg.imgw")/e.data("jg.imgh"),i?(g=l*f,h=l):(g=a.settings.rowHeight*f,h=a.settings.rowHeight),e.data("jg.imgw",Math.ceil(g)),e.data("jg.imgh",Math.ceil(h)),(0===c||j>h)&&(j=h);return a.settings.fixedHeight&&j>a.settings.rowHeight&&(j=a.settings.rowHeight),j}function h(a){a.lastAnalyzedIndex=-1,a.buildingRow.entriesBuff=[],a.buildingRow.aspectRatio=0,a.buildingRow.width=0,a.offY=0,a.firstRowFlushed=!1}function i(a,b){var c,d,e,h=0;if(e=g(a,b),b&&"hide"===a.settings.lastRow&&-1===e)return a.buildingRow.entriesBuff=[],a.buildingRow.aspectRatio=0,void(a.buildingRow.width=0);a.settings.maxRowHeight>0&&a.settings.maxRowHeight<e?e=a.settings.maxRowHeight:0===a.settings.maxRowHeight&&1.5*a.settings.rowHeight<e&&(e=1.5*a.settings.rowHeight);for(var i=0;i<a.buildingRow.entriesBuff.length;i++)c=a.buildingRow.entriesBuff[i],d=c.find("img"),f(c,h,a.offY,d.data("jg.imgw"),d.data("jg.imgh"),e,a),h+=d.data("jg.imgw")+a.settings.margins;a.$gallery.height(a.offY+e+(a.spinner.active?a.spinner.$el.innerHeight():0)),b||(a.offY+=e+a.settings.margins,a.buildingRow.entriesBuff=[],a.buildingRow.aspectRatio=0,a.buildingRow.width=0,a.firstRowFlushed=!0,a.$gallery.trigger("jg.rowflush"))}function j(a){a.checkWidthIntervalId=setInterval(function(){var b=parseInt(a.$gallery.width(),10);a.galleryWidth!==b&&(a.galleryWidth=b,h(a),n(a,!0))},a.settings.refreshTime)}function k(a){clearInterval(a.intervalId),a.intervalId=setInterval(function(){a.phase<a.$points.length?a.$points.eq(a.phase).fadeTo(a.timeslot,1):a.$points.eq(a.phase-a.$points.length).fadeTo(a.timeslot,0),a.phase=(a.phase+1)%(2*a.$points.length)},a.timeslot)}function l(a){clearInterval(a.intervalId),a.intervalId=null}function m(a){a.yield.flushed=0,null!==a.imgAnalyzerTimeout&&clearTimeout(a.imgAnalyzerTimeout)}function n(a,b){m(a),a.imgAnalyzerTimeout=setTimeout(function(){o(a,b)},.001),o(a,b)}function o(b,c){for(var d,e=b.lastAnalyzedIndex+1;e<b.entries.length;e++){var f=a(b.entries[e]),g=f.find("img");if(g.data("jg.loaded")===!0){d=b.firstRowFlushed&&e>=b.entries.length-1;var h=b.galleryWidth-(b.buildingRow.entriesBuff.length-1)*b.settings.margins,j=g.data("jg.imgw")/g.data("jg.imgh");if(h/(b.buildingRow.aspectRatio+j)<b.settings.rowHeight&&(i(b,d),++b.yield.flushed>=b.yield.every))return void n(b,c);b.buildingRow.entriesBuff.push(f),b.buildingRow.aspectRatio+=j,b.buildingRow.width+=j*b.settings.rowHeight,b.lastAnalyzedIndex=e}else if("error"!==g.data("jg.loaded"))return}b.buildingRow.entriesBuff.length>0&&i(b,b.firstRowFlushed),b.spinner.active&&(b.spinner.active=!1,b.$gallery.height(b.$gallery.height()-b.spinner.$el.innerHeight()),b.spinner.$el.detach(),l(b.spinner)),m(b),b.$gallery.trigger(c?"jg.resize":"jg.complete")}function p(a){function b(b){if("string"!=typeof a.settings.sizeRangeSuffixes[b])throw"sizeRangeSuffixes."+b+" must be a string"}function c(a,b){if("string"==typeof a[b]){if(a[b]=parseFloat(a[b],10),isNaN(a[b]))throw"invalid number for "+b}else{if("number"!=typeof a[b])throw b+" must be a number";if(isNaN(a[b]))throw"invalid number for "+b}}if("object"!=typeof a.settings.sizeRangeSuffixes)throw"sizeRangeSuffixes must be defined and must be an object";if(b("lt100"),b("lt240"),b("lt320"),b("lt500"),b("lt640"),b("lt1024"),c(a.settings,"rowHeight"),c(a.settings,"maxRowHeight"),c(a.settings,"margins"),"nojustify"!==a.settings.lastRow&&"justify"!==a.settings.lastRow&&"hide"!==a.settings.lastRow)throw'lastRow must be "nojustify", "justify" or "hide"';if(c(a.settings,"justifyThreshold"),a.settings.justifyThreshold<0||a.settings.justifyThreshold>1)throw"justifyThreshold must be in the interval [0,1]";if("boolean"!=typeof a.settings.cssAnimation)throw"cssAnimation must be a boolean";if(c(a.settings.captionSettings,"animationDuration"),c(a.settings,"imagesAnimationDuration"),c(a.settings.captionSettings,"visibleOpacity"),a.settings.captionSettings.visibleOpacity<0||a.settings.captionSettings.visibleOpacity>1)throw"captionSettings.visibleOpacity must be in the interval [0, 1]";if(c(a.settings.captionSettings,"nonVisibleOpacity"),a.settings.captionSettings.visibleOpacity<0||a.settings.captionSettings.visibleOpacity>1)throw"captionSettings.nonVisibleOpacity must be in the interval [0, 1]";if("boolean"!=typeof a.settings.fixedHeight)throw"fixedHeight must be a boolean";if("boolean"!=typeof a.settings.captions)throw"captions must be a boolean";if(c(a.settings,"refreshTime"),"boolean"!=typeof a.settings.randomize)throw"randomize must be a boolean"}var q={sizeRangeSuffixes:{lt100:"_t",lt240:"_m",lt320:"_n",lt500:"",lt640:"_z",lt1024:"_b"},rowHeight:120,maxRowHeight:0,margins:1,lastRow:"nojustify",justifyThreshold:.75,fixedHeight:!1,captions:!0,cssAnimation:!1,imagesAnimationDuration:300,captionSettings:{animationDuration:500,visibleOpacity:.7,nonVisibleOpacity:0},rel:null,target:null,extension:/\.[^.]+$/,refreshTime:250,randomize:!1};return this.each(function(c,d){var e=a(d);e.addClass("justified-gallery");var f=e.data("jg.context");if("undefined"==typeof f){if("undefined"!=typeof b&&null!==b&&"object"!=typeof b)throw"The argument must be an object";var g=a('<div class="spinner"><span></span><span></span><span></span></div>');f={settings:a.extend({},q,b),imgAnalyzerTimeout:null,entries:null,buildingRow:{entriesBuff:[],width:0,aspectRatio:0},lastAnalyzedIndex:-1,firstRowFlushed:!1,"yield":{every:2,flushed:0},offY:0,spinner:{active:!1,phase:0,timeslot:150,$el:g,$points:g.find("span"),intervalId:null},checkWidthIntervalId:null,galleryWidth:e.width(),$gallery:e},e.data("jg.context",f)}else"norewind"===b||(f.settings=a.extend({},f.settings,b),h(f));if(p(f),f.entries=e.find("> a, > div").toArray(),0!==f.entries.length){f.settings.randomize&&(f.entries.sort(function(){return 2*Math.random()-1}),a.each(f.entries,function(){a(this).appendTo(e)})),f.usedSizeRangeRegExp=new RegExp("("+f.settings.sizeRangeSuffixes.lt100+"|"+f.settings.sizeRangeSuffixes.lt240+"|"+f.settings.sizeRangeSuffixes.lt320+"|"+f.settings.sizeRangeSuffixes.lt500+"|"+f.settings.sizeRangeSuffixes.lt640+"|"+f.settings.sizeRangeSuffixes.lt1024+")$"),f.settings.maxRowHeight>0&&f.settings.maxRowHeight<f.settings.rowHeight&&(f.settings.maxRowHeight=f.settings.rowHeight);var i=!1;a.each(f.entries,function(b,c){var d=a(c),g=d.find("img");if(g.data("jg.loaded")!==!0){g.data("jg.loaded",!1),i=!0,f.spinner.active===!1&&(f.spinner.active=!0,e.append(f.spinner.$el),e.height(f.offY+f.spinner.$el.innerHeight()),k(f.spinner)),null!==f.settings.rel&&d.attr("rel",f.settings.rel),null!==f.settings.target&&d.attr("target",f.settings.target);var h="undefined"!=typeof g.data("safe-src")?g.data("safe-src"):g.attr("src");g.data("jg.originalSrc",h),g.attr("src",h);var j=new Image,l=a(j);l.one("load",function(){g.off("load error"),g.data("jg.imgw",j.width),g.data("jg.imgh",j.height),g.data("jg.loaded",!0),n(f,!1)}),l.one("error",function(){g.off("load error"),g.data("jg.loaded","error"),n(f,!1)}),j.src=h}}),i||n(f,!1),j(f)}})}}(jQuery); \ No newline at end of file