You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

360 lines
9.4 KiB
JavaScript

"use strict";
/* global define, config, templates, app, utils, ajaxify, socket, translator */
define('forum/category', [
'composer',
'forum/pagination',
'forum/infinitescroll',
'share',
'navigator',
'forum/categoryTools',
'sort'
], function(composer, pagination, infinitescroll, share, navigator, categoryTools, sort) {
var Category = {};
$(window).on('action:ajaxify.start', function(ev, data) {
if(data && data.tpl_url !== 'category') {
navigator.hide();
removeListeners();
}
});
function removeListeners() {
socket.removeListener('event:new_topic', Category.onNewTopic);
categoryTools.removeListeners();
}
Category.init = function() {
var cid = ajaxify.variables.get('category_id');
app.enterRoom('category_' + cid);
share.addShareHandlers(ajaxify.variables.get('category_name'));
$('#new_post').on('click', function () {
composer.newTopic(cid);
});
socket.removeListener('event:new_topic', Category.onNewTopic);
socket.on('event:new_topic', Category.onNewTopic);
categoryTools.init(cid);
sort.handleSort('categoryTopicSort', 'user.setCategorySort', 'category/' + ajaxify.variables.get('category_slug'));
enableInfiniteLoadingOrPagination();
if (!config.usePagination) {
navigator.init('#topics-container > .category-item', ajaxify.variables.get('topic_count'), Category.toTop, Category.toBottom, Category.navigatorCallback);
}
$('#topics-container').on('click', '.topic-title', function() {
var clickedTid = $(this).parents('li.category-item[data-tid]').attr('data-tid');
$('#topics-container li.category-item').each(function(index, el) {
if($(el).offset().top - $(window).scrollTop() > 0) {
localStorage.setItem('category:' + cid + ':bookmark', $(el).attr('data-tid'));
localStorage.setItem('category:' + cid + ':bookmark:clicked', clickedTid);
return false;
}
});
});
handleIgnoreWatch(cid);
};
function handleIgnoreWatch(cid) {
$('.watch, .ignore').on('click', function() {
var $this = $(this);
var command = $this.hasClass('watch') ? 'watch' : 'ignore';
socket.emit('categories.' + command, cid, function(err) {
if (err) {
return app.alertError(err.message);
}
$('.watch').toggleClass('hidden', command === 'watch');
$('.ignore').toggleClass('hidden', command === 'ignore');
});
});
}
Category.toTop = function() {
navigator.scrollTop(0);
};
Category.toBottom = function() {
socket.emit('categories.getTopicCount', ajaxify.variables.get('category_id'), function(err, index) {
navigator.scrollBottom(index);
});
};
Category.navigatorCallback = function(element, elementCount) {
return parseInt(element.attr('data-index'), 10) + 1;
};
$(window).on('action:popstate', function(ev, data) {
if(data.url.indexOf('category/') === 0) {
var cid = data.url.match(/^category\/(\d+)/);
if (cid && cid[1]) {
cid = cid[1];
}
if (!cid) {
return;
}
var bookmark = localStorage.getItem('category:' + cid + ':bookmark');
var clicked = localStorage.getItem('category:' + cid + ':bookmark:clicked');
if (!bookmark) {
return;
}
if(config.usePagination) {
socket.emit('topics.getTidPage', bookmark, function(err, page) {
if (err) {
return;
}
if(parseInt(page, 10) !== pagination.currentPage) {
pagination.loadPage(page);
} else {
Category.scrollToTopic(bookmark, clicked, 400);
}
});
} else {
socket.emit('topics.getTidIndex', bookmark, function(err, index) {
if (err) {
return;
}
if (index === 0) {
Category.highlightTopic(clicked);
return;
}
if (index < 0) {
index = 0;
}
$('#topics-container').empty();
loadTopicsAfter(index, function() {
Category.scrollToTopic(bookmark, clicked, 0);
});
});
}
}
});
Category.highlightTopic = function(tid) {
var highlight = $('#topics-container li.category-item[data-tid="' + tid + '"]');
if(highlight.length && !highlight.hasClass('highlight')) {
highlight.addClass('highlight');
setTimeout(function() {
highlight.removeClass('highlight');
}, 5000);
}
};
Category.scrollToTopic = function(tid, clickedTid, duration, offset) {
if(!tid) {
return;
}
if(!offset) {
offset = 0;
}
if($('#topics-container li.category-item[data-tid="' + tid + '"]').length) {
var cid = ajaxify.variables.get('category_id');
var scrollTo = $('#topics-container li.category-item[data-tid="' + tid + '"]');
if (cid && scrollTo.length) {
$('html, body').animate({
scrollTop: (scrollTo.offset().top - $('#header-menu').height() - offset) + 'px'
}, duration !== undefined ? duration : 400, function() {
Category.highlightTopic(clickedTid);
navigator.update();
});
}
}
};
function enableInfiniteLoadingOrPagination() {
if (!config.usePagination) {
infinitescroll.init(Category.loadMoreTopics);
} else {
navigator.hide();
pagination.init(ajaxify.variables.get('currentPage'), ajaxify.variables.get('pageCount'));
}
}
Category.onNewTopic = function(topic) {
var cid = ajaxify.variables.get('category_id');
if(!topic || parseInt(topic.cid, 10) !== parseInt(cid, 10)) {
return;
}
$(window).trigger('filter:categories.new_topic', topic);
templates.parse('category', 'topics', {
privileges: {editable: !!$('.thread-tools').length},
topics: [topic]
}, function(html) {
translator.translate(html, function(translatedHTML) {
var topic = $(translatedHTML),
container = $('#topics-container'),
topics = $('#topics-container').children('.category-item'),
numTopics = topics.length;
$('#topics-container, .category-sidebar').removeClass('hidden');
var noTopicsWarning = $('#category-no-topics');
if (noTopicsWarning.length) {
noTopicsWarning.remove();
ajaxify.widgets.render('category', window.location.pathname.slice(1));
}
if (numTopics > 0) {
for (var x = 0; x < numTopics; x++) {
var pinned = $(topics[x]).hasClass('pinned');
if (pinned) {
if(x === numTopics - 1) {
topic.insertAfter(topics[x]);
}
continue;
}
topic.insertBefore(topics[x]);
break;
}
} else {
container.append(topic);
}
topic.hide().fadeIn('slow');
topic.find('span.timeago').timeago();
app.createUserTooltips();
updateTopicCount();
$(window).trigger('action:categories.new_topic.loaded');
});
});
};
function updateTopicCount() {
socket.emit('categories.getTopicCount', ajaxify.variables.get('category_id'), function(err, topicCount) {
if(err) {
return app.alertError(err.message);
}
navigator.setCount(topicCount);
});
}
Category.onTopicsLoaded = function(data, callback) {
if(!data || !data.topics.length) {
return;
}
function removeAlreadyAddedTopics(topics) {
return topics.filter(function(topic) {
return $('#topics-container li[data-tid="' + topic.tid +'"]').length === 0;
});
}
var after = null,
before = null;
function findInsertionPoint() {
if (!$('#topics-container .category-item[data-tid]').length) {
return;
}
var last = $('#topics-container .category-item[data-tid]').last();
var lastIndex = last.attr('data-index');
var firstIndex = data.topics[data.topics.length - 1].index;
if (firstIndex > lastIndex) {
after = last;
} else {
before = $('#topics-container .category-item[data-tid]').first();
}
}
data.topics = removeAlreadyAddedTopics(data.topics);
if(!data.topics.length) {
return;
}
findInsertionPoint();
templates.parse('category', 'topics', data, function(html) {
translator.translate(html, function(translatedHTML) {
var container = $('#topics-container'),
html = $(translatedHTML);
$('#topics-container, .category-sidebar').removeClass('hidden');
$('#category-no-topics').remove();
if(config.usePagination) {
container.empty().append(html);
} else {
if(after) {
html.insertAfter(after);
} else if(before) {
html.insertBefore(before);
} else {
container.append(html);
}
}
if (typeof callback === 'function') {
callback();
}
html.find('span.timeago').timeago();
app.createUserTooltips();
utils.makeNumbersHumanReadable(html.find('.human-readable-number'));
});
});
};
Category.loadMoreTopics = function(direction) {
if (!$('#topics-container').length || !$('#topics-container').children().length) {
return;
}
infinitescroll.calculateAfter(direction, '#topics-container .category-item[data-tid]', config.topicsPerPage, false, function(after, offset, el) {
loadTopicsAfter(after, function() {
if (direction < 0 && el) {
Category.scrollToTopic(el.attr('data-tid'), null, 0, offset);
}
});
});
};
function loadTopicsAfter(after, callback) {
if(!utils.isNumber(after) || (after === 0 && $('#topics-container li.category-item[data-index="0"]').length)) {
return;
}
$(window).trigger('action:categories.loading');
infinitescroll.loadMore('categories.loadMore', {
cid: ajaxify.variables.get('category_id'),
after: after,
author: utils.getQueryParams().author
}, function (data, done) {
if (data.topics && data.topics.length) {
Category.onTopicsLoaded(data, function() {
done();
callback();
});
$('#topics-container').attr('data-nextstart', data.nextStart);
} else {
done();
}
$(window).trigger('action:categories.loaded');
});
}
return Category;
});