forked from leftypol/leftypol
inline-expanding.js: format
This commit is contained in:
Zankaria
parent
71b1dbf5ef
commit
4611633231
1 changed files with 64 additions and 55 deletions
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@ -9,31 +9,31 @@
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* Usage:
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* $config['additional_javascript'][] = 'js/jquery.min.js';
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* $config['additional_javascript'][] = 'js/inline-expanding.js';
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*
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*/
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$(document).ready(function(){
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$(document).ready(function() {
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'use strict';
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var DEFAULT_MAX = 5; // default maximum image loads
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var inline_expand_post = function() {
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var link = this.getElementsByTagName('a');
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// Default maximum image loads.
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const DEFAULT_MAX = 5;
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var loadingQueue = (function () {
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var MAX_IMAGES = localStorage.inline_expand_max || DEFAULT_MAX; // maximum number of images to load concurrently, 0 to disable
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var loading = 0; // number of images that is currently loading
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var waiting = []; // waiting queue
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let inline_expand_post = function() {
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let link = this.getElementsByTagName('a');
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var enqueue = function (ele) {
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let loadingQueue = (function() {
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let MAX_IMAGES = localStorage.inline_expand_max || DEFAULT_MAX; // Maximum number of images to load concurrently, 0 to disable.
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let loading = 0; // Number of images that is currently loading.
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let waiting = []; // Waiting queue.
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let enqueue = function(ele) {
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waiting.push(ele);
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};
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var dequeue = function () {
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let dequeue = function() {
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return waiting.shift();
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};
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var update = function() {
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var ele;
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let update = function() {
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while (loading < MAX_IMAGES || MAX_IMAGES === 0) {
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ele = dequeue();
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let ele = dequeue();
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if (ele) {
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++loading;
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ele.deferred.resolve();
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@ -43,8 +43,8 @@ $(document).ready(function(){
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}
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};
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return {
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remove: function (ele) {
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var i = waiting.indexOf(ele);
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remove: function(ele) {
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let i = waiting.indexOf(ele);
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if (i > -1) {
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waiting.splice(i, 1);
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}
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@ -54,14 +54,14 @@ $(document).ready(function(){
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--loading;
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}
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},
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add: function (ele) {
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add: function(ele) {
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ele.deferred = $.Deferred();
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ele.deferred.done(function () {
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var $loadstart = $.Deferred();
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var thumb = ele.childNodes[0];
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var img = ele.childNodes[1];
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let $loadstart = $.Deferred();
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let thumb = ele.childNodes[0];
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let img = ele.childNodes[1];
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var onLoadStart = function (img) {
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let onLoadStart = function (img) {
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if (img.naturalWidth) {
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$loadstart.resolve(img, thumb);
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} else {
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@ -71,7 +71,7 @@ $(document).ready(function(){
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$(img).one('load', function () {
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$.when($loadstart).done(function () {
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// once fully loaded, update the waiting queue
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// Once fully loaded, update the waiting queue.
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--loading;
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$(ele).data('imageLoading', 'false');
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update();
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@ -93,36 +93,37 @@ $(document).ready(function(){
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} else {
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enqueue(ele);
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}
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}
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};
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})();
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for (var i = 0; i < link.length; i++) {
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for (let i = 0; i < link.length; i++) {
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if (typeof link[i] == "object" && link[i].childNodes && typeof link[i].childNodes[0] !== 'undefined' &&
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link[i].childNodes[0].src && link[i].childNodes[0].className.match(/post-image/) && !link[i].className.match(/file/) &&
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!link[i].href.match("\\.(pdf|djvu|djv)$") ) {
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!link[i].href.match("\\.(pdf|djvu|djv)$")) {
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link[i].onclick = function(e) {
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var img, post_body, still_open, canvas, scroll;
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var thumb = this.childNodes[0];
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var padding = 5;
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var boardlist = $('.boardlist')[0];
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let thumb = this.childNodes[0];
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let padding = 5;
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let boardlist = $('.boardlist')[0];
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if (thumb.className == 'hidden')
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if (thumb.className == 'hidden') {
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return false;
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if (e.which == 2 || e.ctrlKey) // open in new tab
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}
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if (e.which == 2 || e.ctrlKey) {
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// Open in new tab.
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return true;
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}
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if (!$(this).data('expanded')) {
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if (~this.parentNode.className.indexOf('multifile'))
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if (~this.parentNode.className.indexOf('multifile')) {
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$(this).data('width', this.parentNode.style.width);
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}
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this.parentNode.removeAttribute('style');
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$(this).data('expanded', 'true');
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if (thumb.tagName === 'CANVAS') {
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canvas = thumb;
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let canvas = thumb;
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thumb = thumb.nextSibling;
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this.removeChild(canvas);
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canvas.style.display = 'block';
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@ -131,7 +132,7 @@ $(document).ready(function(){
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thumb.style.opacity = '0.4';
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thumb.style.filter = 'alpha(opacity=40)';
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img = document.createElement('img');
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let img = document.createElement('img');
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img.className = 'full-image';
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img.style.display = 'none';
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img.setAttribute('alt', 'Fullsized image');
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@ -141,41 +142,48 @@ $(document).ready(function(){
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} else {
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loadingQueue.remove(this);
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scroll = false;
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let scroll = false;
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// scroll to thumb if not triggered by 'shrink all image'
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// Scroll to thumb if not triggered by 'shrink all image'.
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if (e.target.className == 'full-image') {
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scroll = true;
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}
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if (~this.parentNode.className.indexOf('multifile'))
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if (~this.parentNode.className.indexOf('multifile')) {
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this.parentNode.style.width = $(this).data('width');
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}
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thumb.style.opacity = '';
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thumb.style.display = '';
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if (thumb.nextSibling) this.removeChild(thumb.nextSibling); //full image loaded or loading
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if (thumb.nextSibling) {
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// Full image loaded or loading.
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this.removeChild(thumb.nextSibling);
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}
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$(this).removeData('expanded');
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delete thumb.style.filter;
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// do the scrolling after page reflow
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// Do the scrolling after page reflow.
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if (scroll) {
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post_body = $(thumb).parentsUntil('form > div').last();
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let post_body = $(thumb).parentsUntil('form > div').last();
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// on multifile posts, determin how many other images are still expanded
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still_open = post_body.find('.post-image').filter(function(){
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// On multifile posts, determine how many other images are still expanded.
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let still_open = post_body.find('.post-image').filter(function() {
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return $(this).parent().data('expanded') == 'true';
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}).length;
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// deal with differnt boards' menu styles
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if ($(boardlist).css('position') == 'fixed')
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// Deal with different boards menu styles.
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if ($(boardlist).css('position') == 'fixed') {
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padding += boardlist.getBoundingClientRect().height;
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}
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if (still_open > 0) {
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if (thumb.getBoundingClientRect().top - padding < 0)
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if (thumb.getBoundingClientRect().top - padding < 0) {
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$(document).scrollTop($(thumb).parent().parent().offset().top - padding);
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}
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} else {
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if (post_body[0].getBoundingClientRect().top - padding < 0)
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if (post_body[0].getBoundingClientRect().top - padding < 0) {
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$(document).scrollTop(post_body.offset().top - padding);
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}
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}
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}
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@ -189,17 +197,18 @@ $(document).ready(function(){
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}
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};
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// setting up user option
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// Setting up user option.
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if (window.Options && Options.get_tab('general')) {
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Options.extend_tab('general', '<span id="inline-expand-max">'+ _('Number of simultaneous image downloads (0 to disable): ') +
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'<input type="number" step="1" min="0" size="4"></span>');
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Options.extend_tab('general', '<span id="inline-expand-max">' +
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_('Number of simultaneous image downloads (0 to disable): ') +
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'<input type="number" step="1" min="0" size="4"></span>');
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$('#inline-expand-max input')
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.css('width', '50px')
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.val(localStorage.inline_expand_max || DEFAULT_MAX)
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.on('change', function (e) {
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// validation in case some fucktard tries to enter a negative floating point number
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var n = parseInt(e.target.value);
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var val = (n<0) ? 0 : n;
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// Validation in case some fucktard tries to enter a negative floating point number.
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let n = parseInt(e.target.value);
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let val = (n < 0) ? 0 : n;
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localStorage.inline_expand_max = val;
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});
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@ -208,7 +217,7 @@ $(document).ready(function(){
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if (window.jQuery) {
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$('div[id^="thread_"]').each(inline_expand_post);
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// allow to work with auto-reload.js, etc.
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// Allow to work with auto-reload.js, etc.
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$(document).on('new_post', function(e, post) {
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inline_expand_post.call(post);
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});
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