var stream_list = (function () { var exports = {}; var zoomed_to_topics = false; var zoomed_stream = ''; var private_messages_open = false; var last_private_message_count = 0; var last_mention_count = 0; var previous_sort_order; var previous_unpinned_order; function active_stream_name() { if (narrow.active()) { var op_streams = narrow.filter().operands('stream'); if (op_streams) { return op_streams[0]; } } return false; } function filter_streams_by_search(streams) { var search_box = $(".stream-list-filter"); var search_term = search_box.expectOne().val().trim(); if (search_term === '') { return streams; } var search_terms = search_term.toLowerCase().split(","); search_terms = _.map(search_terms, function (s) { return s.trim(); }); var filtered_streams = _.filter(streams, function (stream) { return _.any(search_terms, function (search_term) { var lower_stream_name = stream.toLowerCase().split(" "); return _.any(lower_stream_name, function (name) { return name.indexOf(search_term) === 0; }); }); }); return filtered_streams; } exports.create_initial_sidebar_rows = function () { // This code is slightly opaque, but it ends up building // up list items and attaching them to the "sub" data // structures that are kept in stream_data.js. var subs = stream_data.subscribed_subs(); _.each(subs, function (sub) { exports.create_sidebar_row(sub); }); }; exports.build_stream_list = function () { // This function assumes we have already created the individual // sidebar rows. Our job here is to build the bigger widget, // which largely is a matter of arranging the individual rows in // the right order. var streams = stream_data.subscribed_streams(); if (streams.length === 0) { return; } streams = filter_streams_by_search(streams); var sort_recent = (streams.length > 40); var pinned_streams = []; var unpinned_streams = []; var parent = $('#stream_filters'); var elems = []; function add_sidebar_li(stream) { var li = $(stream_data.get_sub(stream).sidebar_li); if (sort_recent) { if (stream_data.is_active(stream)) { li.removeClass('inactive_stream'); } else { li.addClass('inactive_stream'); } } elems.push(li.get(0)); } _.each(streams, function (stream) { var pinned = stream_data.get_sub(stream).pin_to_top; if (pinned) { pinned_streams.push(stream); } else { unpinned_streams.push(stream); } }); unpinned_streams.sort(function (a, b) { if (sort_recent) { if (stream_data.is_active(b) && ! stream_data.is_active(a)) { return 1; } else if (! stream_data.is_active(b) && stream_data.is_active(a)) { return -1; } } return util.strcmp(a, b); }); streams = pinned_streams.concat(unpinned_streams); if (previous_sort_order !== undefined && util.array_compare(previous_sort_order, streams) && util.array_compare(previous_unpinned_order, unpinned_streams)) { return; } previous_sort_order = streams; previous_unpinned_order = unpinned_streams; parent.empty(); _.each(pinned_streams, function (stream) { var li = $(stream_data.get_sub(stream).sidebar_li); if (sort_recent) { if (! stream_data.is_active(stream)) { li.addClass('inactive_stream'); } else { li.removeClass('inactive_stream'); } } elems.push(li.get(0)); }); if (pinned_streams.length > 0) { _.each(pinned_streams, add_sidebar_li); elems.push($('
').get(0)); } if (unpinned_streams.length > 0) { _.each(unpinned_streams, add_sidebar_li); } $(elems).appendTo(parent); }; function iterate_to_find(selector, name_to_find, context) { var lowercase_name = name_to_find.toLowerCase(); var found = _.find($(selector, context), function (elem) { return $(elem).attr('data-name').toLowerCase() === lowercase_name; }); return found ? $(found) : $(); } // TODO: Now that the unread count functions support the user sidebar // as well, we probably should consider moving them to a different file. function get_filter_li(type, name) { if (type === 'stream') { var sub = stream_data.get_sub(name); return $("#stream_sidebar_" + sub.stream_id); } else if (type === "private") { if (name.indexOf(",") < 0) { return $("li.user_sidebar_entry[data-email='" + name + "']"); } else { return $("li.group-pms-sidebar-entry[data-emails='" + name + "']"); } } return iterate_to_find("#" + type + "_filters > li", name); } function zoom_in() { popovers.hide_all(); zoomed_to_topics = true; $("#streams_list").expectOne().removeClass("zoom-out").addClass("zoom-in"); zoomed_stream = active_stream_name(); // Hide stream list titles and pinned stream splitter $(".stream-filters-label").each(function () { $(this).hide(); }); $(".pinned-stream-split").each(function () { $(this).hide(); }); $("#stream_filters li.narrow-filter").each(function () { var elt = $(this); if (elt.attr('data-name') === zoomed_stream) { elt.show(); } else { elt.hide(); } }); } function zoom_out() { popovers.hide_all(); zoomed_to_topics = false; // Show stream list titles and pinned stream splitter $(".stream-filters-label").each(function () { $(this).show(); }); $(".pinned-stream-split").each(function () { $(this).show(); }); $("#streams_list").expectOne().removeClass("zoom-in").addClass("zoom-out"); $("#stream_filters li.narrow-filter").show(); } function remove_expanded_private_messages() { popovers.hide_topic_sidebar_popover(); $("ul.expanded_private_messages").remove(); resize.resize_stream_filters_container(); } function reset_to_unnarrowed(narrowed_within_same_stream) { if (zoomed_to_topics && narrowed_within_same_stream !== true) { zoom_out(); } private_messages_open = false; $("ul.filters li").removeClass('active-filter active-sub-filter'); topic_list.remove_expanded_topics(); remove_expanded_private_messages(); } function get_private_message_filter_li(conversation) { var pm_li = get_filter_li('global', 'private'); return iterate_to_find(".expanded_private_messages li.expanded_private_message", conversation, pm_li); } exports.set_in_home_view = function (stream, in_home) { var li = get_filter_li('stream', stream); if (in_home) { li.removeClass("out_of_home_view"); } else { li.addClass("out_of_home_view"); } }; function build_stream_sidebar_row(name) { var sub = stream_data.get_sub(name); var args = {name: name, id: sub.stream_id, uri: narrow.by_stream_uri(name), not_in_home_view: (stream_data.in_home_view(name) === false), invite_only: sub.invite_only, color: stream_data.get_color(name), pin_to_top: sub.pin_to_top }; args.dark_background = stream_color.get_color_class(args.color); var list_item = $(templates.render('stream_sidebar_row', args)); $("#stream_filters").append(list_item); return list_item; } exports.create_sidebar_row = function (sub) { var stream_name = sub.name; if (exports.get_stream_li(stream_name).length) { // already exists return; } var li = build_stream_sidebar_row(stream_name); if (li) { sub.sidebar_li = li; } }; exports.redraw_stream_privacy = function (stream_name) { var li = exports.get_stream_li(stream_name); var div = li.find('.stream-privacy'); var swatch = li.find('.streamlist_swatch'); var sub = stream_data.get_sub(stream_name); var color = stream_data.get_color(stream_name); var dark_background = stream_color.get_color_class(color); var args = { invite_only: sub.invite_only, dark_background: dark_background }; if (sub.invite_only) { swatch.addClass("private-stream-swatch"); } else { swatch.removeClass("private-stream-swatch"); } var html = templates.render('stream_privacy', args); div.html(html); }; exports.get_stream_li = function (stream_name) { return get_filter_li('stream', stream_name); }; exports.get_count = function (type, name) { return get_filter_li(type, name).find('.count .value').text(); }; function update_count_in_dom(count_span, value_span, count) { if (count === 0) { count_span.hide(); if (count_span.parent().hasClass("subscription_block")) { count_span.parent(".subscription_block").removeClass("stream-with-count"); } else if (count_span.parent().hasClass("user_sidebar_entry")) { count_span.parent(".user_sidebar_entry").removeClass("user-with-count"); } else if (count_span.parent().hasClass("group-pms-sidebar-entry")) { count_span.parent(".group-pms-sidebar-entry").removeClass("group-with-count"); } value_span.text(''); return; } count_span.show(); if (count_span.parent().hasClass("subscription_block")) { count_span.parent(".subscription_block").addClass("stream-with-count"); } else if (count_span.parent().hasClass("user_sidebar_entry")) { count_span.parent(".user_sidebar_entry").addClass("user-with-count"); } else if (count_span.parent().hasClass("group-pms-sidebar-entry")) { count_span.parent(".group-pms-sidebar-entry").addClass("group-with-count"); } value_span.text(count); } function set_count(type, name, count) { var count_span = get_filter_li(type, name).find('.count'); var value_span = count_span.find('.value'); update_count_in_dom(count_span, value_span, count); } function set_count_toggle_button(elem, count) { if (count === 0) { if (elem.is(':animated')) { return elem.stop(true, true).hide(); } return elem.hide(500); } else if ((count > 0) && (count < 1000)) { elem.show(500); return elem.text(count); } else { elem.show(500); return elem.text("1k+"); } } exports.set_pm_conversation_count = function (conversation, count) { var pm_li = get_private_message_filter_li(conversation); var count_span = pm_li.find('.private_message_count'); var value_span = count_span.find('.value'); if (count_span.length === 0 || value_span.length === 0) { return; } count_span.removeClass("zero_count"); update_count_in_dom(count_span, value_span, count); }; exports.remove_narrow_filter = function (name, type) { get_filter_li(type, name).remove(); }; exports._build_private_messages_list = function (active_conversation, max_private_messages) { var private_messages = message_store.recent_private_messages || []; var display_messages = []; var hiding_messages = false; _.each(private_messages, function (private_message_obj, idx) { var recipients_string = private_message_obj.display_reply_to; var replies_to = private_message_obj.reply_to; var num_unread = unread.num_unread_for_person(private_message_obj.reply_to); var always_visible = (idx < max_private_messages) || (num_unread > 0) || (replies_to === active_conversation); if (!always_visible) { hiding_messages = true; } var display_message = { recipients: recipients_string, reply_to: replies_to, unread: num_unread, is_zero: num_unread === 0, zoom_out_hide: !always_visible, url: narrow.pm_with_uri(private_message_obj.reply_to) }; display_messages.push(display_message); }); var recipients_dom = templates.render('sidebar_private_message_list', {messages: display_messages, want_show_more_messages_links: hiding_messages}); return recipients_dom; }; function rebuild_recent_topics(stream, active_topic) { // TODO: Call rebuild_recent_topics less, not on every new // message. var stream_li = get_filter_li('stream', stream); topic_list.rebuild(stream_li, stream, active_topic); } function rebuild_recent_private_messages(active_conversation) { remove_expanded_private_messages(); if (private_messages_open) { var max_private_messages = 5; var private_li = get_filter_li('global', 'private'); var private_messages_dom = exports._build_private_messages_list(active_conversation, max_private_messages); private_li.append(private_messages_dom); } if (active_conversation) { get_private_message_filter_li(active_conversation).addClass('active-sub-filter'); } resize.resize_stream_filters_container(); } exports.update_streams_sidebar = function () { exports.build_stream_list(); if (! narrow.active()) { return; } var op_stream = narrow.filter().operands('stream'); var op_subject = narrow.filter().operands('topic'); var subject; if (op_stream.length !== 0) { if (op_subject.length !== 0) { subject = op_subject[0]; } if (stream_data.is_subscribed(op_stream[0])) { rebuild_recent_topics(op_stream[0], subject); } } }; exports.update_private_messages = function () { exports._build_private_messages_list(); if (! narrow.active()) { return; } var is_pm_filter = _.contains(narrow.filter().operands('is'), "private"); var conversation = narrow.filter().operands('pm-with'); if (conversation.length === 1) { rebuild_recent_private_messages(conversation[0]); } else if (conversation.length !== 0) { // TODO: This should be the reply-to of the thread. rebuild_recent_private_messages(""); } else if (is_pm_filter) { rebuild_recent_private_messages(""); } }; function do_new_messages_animation(message_type) { var li = get_filter_li("global", message_type); li.addClass("new_messages"); function mid_animation() { li.removeClass("new_messages"); li.addClass("new_messages_fadeout"); } function end_animation() { li.removeClass("new_messages_fadeout"); } setTimeout(mid_animation, 3000); setTimeout(end_animation, 6000); } function animate_private_message_changes(new_private_message_count) { if (new_private_message_count > last_private_message_count) { do_new_messages_animation('private'); } last_private_message_count = new_private_message_count; } function animate_mention_changes(new_mention_count) { if (new_mention_count > last_mention_count) { do_new_messages_animation('mentioned'); } last_mention_count = new_mention_count; } exports.set_presence_list_count = function (person, count) { set_count("private", person, count); }; exports.update_dom_with_unread_counts = function (counts) { // counts is just a data object that gets calculated elsewhere // Our job is to update some DOM elements. // counts.stream_count maps streams to counts counts.stream_count.each(function (count, stream) { set_count("stream", stream, count); }); // counts.subject_count maps streams to hashes of topics to counts counts.subject_count.each(function (subject_hash, stream) { var stream_li = get_filter_li('stream', stream); subject_hash.each(function (count, subject) { topic_list.set_count(stream_li, subject, count); }); }); counts.pm_count.each(function (count, person) { exports.set_presence_list_count(person, count); exports.set_pm_conversation_count(person, count); }); // integer counts set_count("global", "private", counts.private_message_count); set_count("global", "mentioned", counts.mentioned_message_count); set_count("global", "home", counts.home_unread_messages); set_count_toggle_button($("#streamlist-toggle-unreadcount"), counts.home_unread_messages); set_count_toggle_button($("#userlist-toggle-unreadcount"), counts.private_message_count); animate_private_message_changes(counts.private_message_count); animate_mention_changes(counts.mentioned_message_count); }; exports.rename_stream = function (sub) { sub.sidebar_li = build_stream_sidebar_row(sub.name); exports.build_stream_list(); // big hammer }; exports.refresh_pinned_or_unpinned_stream = function (sub) { // Pinned/unpinned streams require re-ordering. // We use kind of brute force now, which is probably fine. sub.sidebar_li = build_stream_sidebar_row(sub.name); exports.build_stream_list(); exports.update_streams_sidebar(); }; $(function () { // TODO, Eventually topic_list won't be a big singleton, // and we can create more component-based click handlers for // each stream. topic_list.set_click_handlers({ zoom_in: zoom_in, zoom_out: zoom_out }); $(document).on('narrow_activated.zulip', function (event) { reset_to_unnarrowed(active_stream_name() === zoomed_stream); // TODO: handle confused filters like "in:all stream:foo" var op_in = event.filter.operands('in'); if (op_in.length !== 0) { if (['all', 'home'].indexOf(op_in[0]) !== -1) { $("#global_filters li[data-name='" + op_in[0] + "']").addClass('active-filter'); } } var op_is = event.filter.operands('is'); if (op_is.length !== 0) { if (['starred', 'mentioned'].indexOf(op_is[0]) !== -1) { $("#global_filters li[data-name='" + op_is[0] + "']").addClass('active-filter'); } } var op_pm = event.filter.operands('pm-with'); if ((op_is.length !== 0 && _.contains(op_is, "private")) || op_pm.length !== 0) { private_messages_open = true; if (op_pm.length === 1) { $("#user_presences li[data-email='" + op_pm[0] + "']").addClass('active-filter'); rebuild_recent_private_messages(op_pm[0]); } else if (op_pm.length !== 0) { // TODO: Should pass the reply-to of the thread rebuild_recent_private_messages(""); } else { $("#global_filters li[data-name='private']").addClass('active-filter zoom-out'); rebuild_recent_private_messages(""); } } var op_stream = event.filter.operands('stream'); if (op_stream.length !== 0 && stream_data.is_subscribed(op_stream[0])) { var stream_li = get_filter_li('stream', op_stream[0]); var op_subject = event.filter.operands('topic'); var subject; if (op_subject.length !== 0) { subject = op_subject[0]; } else { stream_li.addClass('active-filter'); } rebuild_recent_topics(op_stream[0], subject); unread.process_visible(); } }); $(document).on('narrow_deactivated.zulip', function (event) { reset_to_unnarrowed(); $("#global_filters li[data-name='home']").addClass('active-filter'); }); $(document).on('sub_obj_created.zulip', function (event) { if (event.sub.subscribed) { exports.create_sidebar_row(event.sub); } }); $(document).on('subscription_add_done.zulip', function (event) { exports.create_sidebar_row(event.sub); exports.build_stream_list(); }); $(document).on('subscription_remove_done.zulip', function (event) { var stream_name = event.sub.name; exports.remove_narrow_filter(stream_name, 'stream'); // We need to make sure we resort if the removed sub gets added again previous_sort_order = undefined; previous_unpinned_order = undefined; }); $('#global_filters').on('click', '.show-more-private-messages', function (e) { popovers.hide_all(); $(".expanded_private_messages").expectOne().removeClass("zoom-out").addClass("zoom-in"); $(".expanded_private_messages li.expanded_private_message").each(function () { $(this).show(); }); e.preventDefault(); e.stopPropagation(); }); $('#stream_filters').on('click', 'li .subscription_block', function (e) { if (e.metaKey || e.ctrlKey) { return; } if (ui.home_tab_obscured()) { ui.change_tab_to('#home'); } var stream = $(e.target).parents('li').attr('data-name'); narrow.by('stream', stream, {select_first_unread: true, trigger: 'sidebar'}); e.preventDefault(); e.stopPropagation(); }); }); function actually_update_streams_for_search() { exports.update_streams_sidebar(); resize.resize_page_components(); } var update_streams_for_search = _.throttle(actually_update_streams_for_search, 50); exports.searching = function () { return $('.stream-list-filter').expectOne().is(':focus'); }; exports.escape_search = function () { var filter = $('.stream-list-filter').expectOne(); if (filter.val() === '') { exports.clear_and_hide_search(); return; } filter.val(''); update_streams_for_search(); }; exports.initiate_search = function () { var filter = $('.stream-list-filter').expectOne(); filter.removeClass('notdisplayed'); filter.focus(); }; exports.clear_and_hide_search = function () { var filter = $('.stream-list-filter'); if (filter.val() !== '') { filter.val(''); update_streams_for_search(); } filter.blur(); filter.addClass('notdisplayed'); }; function focus_stream_filter (e) { e.stopPropagation(); } function maybe_select_stream (e) { if (e.keyCode === 13) { // Enter key was pressed var topStream = $('#stream_filters li.narrow-filter').first().data('name'); if (topStream !== undefined) { // undefined if there are no results if (ui.home_tab_obscured()) { ui.change_tab_to('#home'); } exports.clear_and_hide_search(); narrow.by('stream', topStream, {select_first_unread: true, trigger: 'sidebar enter key'}); e.preventDefault(); e.stopPropagation(); } } } function toggle_filter_displayed(e) { if (e.target.id === 'streams_inline_cog') { return; } if (0 === $('.stream-list-filter.notdisplayed').length) { exports.clear_and_hide_search(); } else { exports.initiate_search(); } e.preventDefault(); } $(function () { $(".stream-list-filter").expectOne() .on('click', focus_stream_filter) .on('input', update_streams_for_search) .on('keydown', maybe_select_stream); }); $(function () { $("#streams_header").expectOne() .on('click', toggle_filter_displayed); }); return exports; }()); if (typeof module !== 'undefined') { module.exports = stream_list; }