zulip/static/js/stream_list.js

822 lines
26 KiB
JavaScript

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.build_stream_list = function () {
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.recent_subjects.has(stream)) {
li.addClass('inactive_stream');
} else {
li.removeClass('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.recent_subjects.has(b) && ! stream_data.recent_subjects.has(a)) {
return 1;
} else if (! stream_data.recent_subjects.has(b) && stream_data.recent_subjects.has(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 = $(stream_data.get_sub(stream).sidebar_li);
if (sort_recent) {
if (! stream_data.recent_subjects.has(stream)) {
li.addClass('inactive_stream');
} else {
li.removeClass('inactive_stream');
}
}
elems.push(li.get(0));
});
if (pinned_streams.length > 0) {
_.each(pinned_streams, add_sidebar_li);
elems.push($('<hr class="pinned-stream-split">').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_subjects() {
popovers.hide_topic_sidebar_popover();
$("ul.expanded_subjects").remove();
}
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');
remove_expanded_subjects();
remove_expanded_private_messages();
}
function get_subject_filter_li(stream, subject) {
var stream_li = get_filter_li('stream', stream);
return iterate_to_find(".expanded_subjects li.expanded_subject", subject, stream_li);
}
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.add_stream_to_sidebar = function (stream_name) {
if (exports.get_stream_li(stream_name).length) {
// already exists
return false;
}
return build_stream_sidebar_row(stream_name);
};
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_subject_count = function (stream, subject, count) {
var subject_li = get_subject_filter_li(stream, subject);
var count_span = subject_li.find('.subject_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.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_subject_list = function (stream, active_topic, max_subjects) {
var subjects = stream_data.recent_subjects.get(stream) || [];
if (active_topic) {
active_topic = active_topic.toLowerCase();
}
var display_subjects = [];
var hiding_topics = false;
_.each(subjects, function (subject_obj, idx) {
var topic_name = subject_obj.subject;
var num_unread = unread.num_unread_for_subject(stream, subject_obj.canon_subject);
// Show the most recent subjects, as well as any with unread messages
var always_visible = (idx < max_subjects) || (num_unread > 0) || (active_topic === topic_name);
if (!always_visible) {
hiding_topics = true;
}
var display_subject = {
topic_name: topic_name,
unread: num_unread,
is_zero: num_unread === 0,
is_muted: muting.is_topic_muted(stream, topic_name),
zoom_out_hide: !always_visible,
url: narrow.by_stream_subject_uri(stream, topic_name)
};
display_subjects.push(display_subject);
});
var topic_dom = templates.render('sidebar_subject_list',
{subjects: display_subjects,
want_show_more_topics_links: hiding_topics,
stream: stream});
return topic_dom;
};
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);
// Show the most recent subjects, as well as any with unread messages
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_subjects(stream, active_topic) {
// TODO: Call rebuild_recent_subjects less, not on every new
// message.
remove_expanded_subjects();
var max_subjects = 5;
var stream_li = get_filter_li('stream', stream);
var topic_dom = exports._build_subject_list(stream, active_topic, max_subjects);
stream_li.append(topic_dom);
if (active_topic) {
get_subject_filter_li(stream, active_topic).addClass('active-sub-filter');
}
}
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_subjects(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 subjects to counts
counts.subject_count.each(function (subject_hash, stream) {
subject_hash.each(function (count, subject) {
exports.set_subject_count(stream, 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_stream_in_sidebar = function (sub) {
// used by subs.pin_or_unpin_stream,
// since pinning/unpinning requires reordering of streams in the sidebar
sub.sidebar_li = build_stream_sidebar_row(sub.name);
exports.build_stream_list();
exports.update_streams_sidebar();
};
$(function () {
$(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_subjects(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) {
var stream_name = event.sub.name;
var li = exports.add_stream_to_sidebar(stream_name);
if (li) {
event.sub.sidebar_li = li;
}
}
});
$(document).on('subscription_add_done.zulip', function (event) {
var stream_name = event.sub.name;
var li = exports.add_stream_to_sidebar(stream_name);
if (li) {
event.sub.sidebar_li = li;
}
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;
});
$('.show-all-streams').on('click', function (e) {
zoom_out();
e.preventDefault();
e.stopPropagation();
});
$('#stream_filters').on('click', '.show-more-topics', function (e) {
var stream = $(e.target).parents('.show-more-topics').attr('data-name');
zoom_in();
e.preventDefault();
e.stopPropagation();
});
$('#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();
});
$('#stream_filters').on('click', '.subject_box', function (e) {
if (e.metaKey || e.ctrlKey) {
return;
}
if (ui.home_tab_obscured()) {
ui.change_tab_to('#home');
}
var stream = $(e.target).parents('ul').attr('data-stream');
var subject = $(e.target).parents('li').attr('data-name');
narrow.activate([{operator: 'stream', operand: stream},
{operator: 'topic', operand: subject}],
{select_first_unread: true, trigger: 'sidebar'});
e.preventDefault();
});
});
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;
}