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.

361 lines
9.4 KiB
JavaScript

"use strict";
/* global define, config, templates, app, utils, ajaxify, socket */
define('forum/category', [
'composer',
'forum/pagination',
'forum/infinitescroll',
'share',
'navigator',
'forum/categoryTools',
'sort',
'components',
'translator'
], function(composer, pagination, infinitescroll, share, navigator, categoryTools, sort, components, translator) {
var Category = {};
$(window).on('action:ajaxify.start', function(ev, data) {
if (ajaxify.currentPage !== data.url) {
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'));
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('[component="category/topic"]', ajaxify.variables.get('topic_count'), Category.toTop, Category.toBottom, Category.navigatorCallback);
}
$('[component="category"]').on('click', '[component="topic/header"]', function() {
var clickedIndex = $(this).parents('[data-index]').attr('data-index');
$('[component="category/topic"]').each(function(index, el) {
if ($(el).offset().top - $(window).scrollTop() > 0) {
localStorage.setItem('category:' + cid + ':bookmark', $(el).attr('data-index'));
localStorage.setItem('category:' + cid + ':bookmark:clicked', clickedIndex);
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');
app.alertSuccess('[[category:' + command + '.message]]')
});
});
}
Category.toTop = function() {
navigator.scrollTop(0);
};
Category.toBottom = function() {
socket.emit('categories.getTopicCount', ajaxify.variables.get('category_id'), function(err, count) {
navigator.scrollBottom(count - 1);
});
};
Category.navigatorCallback = function(topIndex, bottomIndex, elementCount) {
return bottomIndex;
};
$(window).on('action:popstate', function(ev, data) {
if (data.url.startsWith('category/')) {
var cid = data.url.match(/^category\/(\d+)/);
if (cid && cid[1]) {
cid = cid[1];
}
if (!cid) {
return;
}
var bookmarkIndex = localStorage.getItem('category:' + cid + ':bookmark');
var clickedIndex = localStorage.getItem('category:' + cid + ':bookmark:clicked');
if (!bookmarkIndex) {
return;
}
if (config.usePagination) {
var page = Math.ceil((parseInt(bookmarkIndex, 10) + 1) / config.topicsPerPage);
if (parseInt(page, 10) !== pagination.currentPage) {
pagination.loadPage(page, function() {
Category.scrollToTopic(bookmarkIndex, clickedIndex, 400);
});
} else {
Category.scrollToTopic(bookmarkIndex, clickedIndex, 400);
}
} else {
if (bookmarkIndex === 0) {
Category.highlightTopic(clickedIndex);
return;
}
if (bookmarkIndex < 0) {
bookmarkIndex = 0;
}
$('[component="category"]').empty();
loadTopicsAfter(bookmarkIndex, function() {
Category.scrollToTopic(bookmarkIndex, clickedIndex, 0);
});
}
}
});
Category.highlightTopic = function(topicIndex) {
var highlight = components.get('category/topic', 'index', topicIndex);
if (highlight.length && !highlight.hasClass('highlight')) {
highlight.addClass('highlight');
setTimeout(function() {
highlight.removeClass('highlight');
}, 5000);
}
};
Category.scrollToTopic = function(bookmarkIndex, clickedIndex, duration, offset) {
if (!bookmarkIndex) {
return;
}
if (!offset) {
offset = 0;
}
var scrollTo = components.get('category/topic', 'index', bookmarkIndex);
var cid = ajaxify.variables.get('category_id');
if (scrollTo.length && cid) {
$('html, body').animate({
scrollTop: (scrollTo.offset().top - $('#header-menu').height() - offset) + 'px'
}, duration !== undefined ? duration : 400, function() {
Category.highlightTopic(clickedIndex);
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;
}
$(window).trigger('filter:categories.new_topic', topic);
var editable = !!$('.thread-tools').length;
templates.parse('category', 'topics', {
privileges: {editable: editable},
showSelect: editable,
topics: [topic]
}, function(html) {
translator.translate(html, function(translatedHTML) {
var topic = $(translatedHTML),
container = $('[component="category"]'),
topics = $('[component="category/topic"]'),
numTopics = topics.length;
$('[component="category"]').removeClass('hidden');
$('.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('.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 components.get('category/topic', 'tid', topic.tid).length === 0;
});
}
var after = null,
before = null;
function findInsertionPoint() {
var topics = components.get('category/topic');
if (!topics.length) {
return;
}
var last = topics.last(),
lastIndex = last.attr('data-index'),
firstIndex = data.topics[data.topics.length - 1].index;
if (firstIndex > lastIndex) {
after = last;
} else {
before = topics.first();
}
}
data.topics = removeAlreadyAddedTopics(data.topics);
if(!data.topics.length) {
return;
}
data.showSelect = data.privileges.editable;
findInsertionPoint();
templates.parse('category', 'topics', data, function(html) {
translator.translate(html, function(translatedHTML) {
var container = $('[component="category"]'),
html = $(translatedHTML);
$('[component="category"]').removeClass('hidden');
$('.category-sidebar').removeClass('hidden');
$('#category-no-topics').remove();
if(config.usePagination) {
container.empty().append(html);
} else {
if(after) {
html.insertAfter(after);
} else if(before) {
html.insertBefore(before);
} else {
container.append(html);
}
}
if (typeof callback === 'function') {
callback();
}
html.find('.timeago').timeago();
app.createUserTooltips();
utils.makeNumbersHumanReadable(html.find('.human-readable-number'));
});
});
};
Category.loadMoreTopics = function(direction) {
if (!$('[component="category"]').length || !$('[component="category"]').children().length) {
return;
}
infinitescroll.calculateAfter(direction, components.get('category/topic'), config.topicsPerPage, false, function(after, offset, el) {
loadTopicsAfter(after, function() {
if (direction < 0 && el) {
Category.scrollToTopic(el.attr('data-index'), null, 0, offset);
}
});
});
};
function loadTopicsAfter(after, callback) {
if(!utils.isNumber(after) || (after === 0 && components.get('category/topic', 'index', 0).length)) {
return;
}
$(window).trigger('action:categories.loading');
infinitescroll.loadMore('categories.loadMore', {
cid: ajaxify.variables.get('category_id'),
after: after,
author: utils.params().author
}, function (data, done) {
if (data.topics && data.topics.length) {
Category.onTopicsLoaded(data, function() {
done();
callback();
});
$('[component="category"]').attr('data-nextstart', data.nextStart);
} else {
done();
}
$(window).trigger('action:categories.loaded');
});
}
return Category;
});