mirror of
https://github.com/zulip/zulip.git
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553 lines
16 KiB
JavaScript
553 lines
16 KiB
JavaScript
var stream_list = (function () {
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var exports = {};
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var zoomed_stream = '';
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var previous_sort_order;
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var previous_unpinned_order;
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function filter_streams_by_search(streams) {
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var search_box = $(".stream-list-filter");
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var search_term = search_box.expectOne().val().trim();
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if (search_term === '') {
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return streams;
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}
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var search_terms = search_term.toLowerCase().split(",");
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search_terms = _.map(search_terms, function (s) {
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return s.trim();
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});
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var filtered_streams = _.filter(streams, function (stream) {
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return _.any(search_terms, function (search_term) {
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var lower_stream_name = stream.toLowerCase().split(" ");
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return _.any(lower_stream_name, function (name) {
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return name.indexOf(search_term) === 0;
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});
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});
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});
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return filtered_streams;
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}
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exports.stream_sidebar = (function () {
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var self = {};
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self.rows = new Dict(); // stream id -> row widget
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self.set_row = function (stream_id, widget) {
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self.rows.set(stream_id, widget);
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};
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self.get_row = function (stream_id) {
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return self.rows.get(stream_id);
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};
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self.has_row_for = function (stream_id) {
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return self.rows.has(stream_id);
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};
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self.remove_row = function (stream_id) {
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var widget = self.rows.get(stream_id);
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if (!widget) {
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blueslip.warn('Cannot remove stream id ' + stream_id);
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return;
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}
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widget.remove();
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self.rows.del(stream_id);
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};
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return self;
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}());
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exports.create_initial_sidebar_rows = function () {
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// This code is slightly opaque, but it ends up building
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// up list items and attaching them to the "sub" data
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// structures that are kept in stream_data.js.
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var subs = stream_data.subscribed_subs();
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_.each(subs, function (sub) {
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exports.create_sidebar_row(sub);
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});
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};
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exports.build_stream_list = function () {
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// This function assumes we have already created the individual
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// sidebar rows. Our job here is to build the bigger widget,
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// which largely is a matter of arranging the individual rows in
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// the right order.
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var streams = stream_data.subscribed_streams();
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if (streams.length === 0) {
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return;
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}
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streams = filter_streams_by_search(streams);
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var sort_recent = (streams.length > 40);
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var pinned_streams = [];
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var unpinned_streams = [];
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var parent = $('#stream_filters');
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var elems = [];
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function add_sidebar_li(stream) {
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var sub = stream_data.get_sub(stream);
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var sidebar_row = exports.stream_sidebar.get_row(sub.stream_id);
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if (sort_recent) {
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sidebar_row.update_whether_active();
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}
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elems.push(sidebar_row.get_li().get(0));
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}
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_.each(streams, function (stream) {
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var pinned = stream_data.get_sub(stream).pin_to_top;
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if (pinned) {
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pinned_streams.push(stream);
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} else {
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unpinned_streams.push(stream);
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}
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});
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unpinned_streams.sort(function (a, b) {
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if (sort_recent) {
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if (stream_data.is_active(b) && ! stream_data.is_active(a)) {
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return 1;
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} else if (! stream_data.is_active(b) && stream_data.is_active(a)) {
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return -1;
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}
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}
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return util.strcmp(a, b);
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});
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streams = pinned_streams.concat(unpinned_streams);
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if (previous_sort_order !== undefined &&
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util.array_compare(previous_sort_order, streams) &&
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util.array_compare(previous_unpinned_order, unpinned_streams)) {
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return;
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}
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previous_sort_order = streams;
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previous_unpinned_order = unpinned_streams;
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parent.empty();
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if (pinned_streams.length > 0) {
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_.each(pinned_streams, add_sidebar_li);
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elems.push($('<hr class="pinned-stream-split">').get(0));
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}
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if (unpinned_streams.length > 0) {
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_.each(unpinned_streams, add_sidebar_li);
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}
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$(elems).appendTo(parent);
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};
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function iterate_to_find(selector, name_to_find, context) {
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var lowercase_name = name_to_find.toLowerCase();
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var found = _.find($(selector, context), function (elem) {
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return $(elem).attr('data-name').toLowerCase() === lowercase_name;
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});
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return found ? $(found) : $();
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}
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function get_filter_li(type, name) {
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if (type === 'stream') {
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var sub = stream_data.get_sub(name);
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return $("#stream_sidebar_" + sub.stream_id);
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}
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return iterate_to_find("#" + type + "_filters > li", name);
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}
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function zoom_in() {
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popovers.hide_all();
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topic_list.zoom_in();
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$("#streams_list").expectOne().removeClass("zoom-out").addClass("zoom-in");
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zoomed_stream = narrow.stream();
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// Hide stream list titles and pinned stream splitter
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$(".stream-filters-label").each(function () {
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$(this).hide();
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});
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$(".pinned-stream-split").each(function () {
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$(this).hide();
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});
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$("#stream_filters li.narrow-filter").each(function () {
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var elt = $(this);
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if (elt.attr('data-name') === zoomed_stream) {
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elt.show();
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} else {
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elt.hide();
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}
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});
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}
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function zoom_out(options) {
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popovers.hide_all();
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topic_list.zoom_out(options);
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// Show stream list titles and pinned stream splitter
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$(".stream-filters-label").each(function () {
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$(this).show();
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});
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$(".pinned-stream-split").each(function () {
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$(this).show();
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});
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$("#streams_list").expectOne().removeClass("zoom-in").addClass("zoom-out");
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$("#stream_filters li.narrow-filter").show();
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}
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function reset_to_unnarrowed(narrowed_within_same_stream) {
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if (topic_list.is_zoomed() && narrowed_within_same_stream !== true) {
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zoom_out({clear_topics: true});
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} else {
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topic_list.remove_expanded_topics();
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}
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pm_list.reset_to_unnarrowed();
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}
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exports.set_in_home_view = function (stream, in_home) {
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var li = get_filter_li('stream', stream);
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if (in_home) {
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li.removeClass("out_of_home_view");
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} else {
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li.addClass("out_of_home_view");
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}
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};
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function build_stream_sidebar_li(sub) {
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var name = sub.name;
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var args = {name: name,
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id: sub.stream_id,
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uri: narrow.by_stream_uri(name),
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not_in_home_view: (stream_data.in_home_view(name) === false),
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invite_only: sub.invite_only,
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color: stream_data.get_color(name),
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pin_to_top: sub.pin_to_top
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};
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args.dark_background = stream_color.get_color_class(args.color);
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var list_item = $(templates.render('stream_sidebar_row', args));
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return list_item;
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}
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function build_stream_sidebar_row(sub) {
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var self = {};
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var list_item = build_stream_sidebar_li(sub);
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var stream_name = sub.name;
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self.update_whether_active = function () {
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if (stream_data.is_active(stream_name)) {
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list_item.removeClass('inactive_stream');
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} else {
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list_item.addClass('inactive_stream');
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}
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};
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self.get_li = function () {
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return list_item;
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};
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self.remove = function () {
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list_item.remove();
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};
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exports.stream_sidebar.set_row(sub.stream_id, self);
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}
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exports.create_sidebar_row = function (sub) {
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if (exports.stream_sidebar.has_row_for(sub.stream_id)) {
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// already exists
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blueslip.warn('Dup try to build sidebar row for stream ' + sub.stream_id);
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return;
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}
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build_stream_sidebar_row(sub);
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};
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exports.redraw_stream_privacy = function (stream_name) {
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var li = exports.get_stream_li(stream_name);
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var div = li.find('.stream-privacy');
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var swatch = li.find('.streamlist_swatch');
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var sub = stream_data.get_sub(stream_name);
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var color = stream_data.get_color(stream_name);
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var dark_background = stream_color.get_color_class(color);
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var args = {
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invite_only: sub.invite_only,
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dark_background: dark_background
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};
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if (sub.invite_only) {
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swatch.addClass("private-stream-swatch");
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} else {
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swatch.removeClass("private-stream-swatch");
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}
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var html = templates.render('stream_privacy', args);
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div.html(html);
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};
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exports.get_stream_li = function (stream_name) {
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return get_filter_li('stream', stream_name);
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};
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function update_count_in_dom(count_span, value_span, count) {
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if (count === 0) {
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count_span.hide();
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if (count_span.parent().hasClass("subscription_block")) {
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count_span.parent(".subscription_block").removeClass("stream-with-count");
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}
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value_span.text('');
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return;
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}
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count_span.show();
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if (count_span.parent().hasClass("subscription_block")) {
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count_span.parent(".subscription_block").addClass("stream-with-count");
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}
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value_span.text(count);
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}
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function set_count(type, name, count) {
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var count_span = get_filter_li(type, name).find('.count');
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var value_span = count_span.find('.value');
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update_count_in_dom(count_span, value_span, count);
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}
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function rebuild_recent_topics(stream) {
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// TODO: Call rebuild_recent_topics less, not on every new
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// message.
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var stream_li = get_filter_li('stream', stream);
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topic_list.rebuild(stream_li, stream);
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}
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exports.update_streams_sidebar = function () {
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exports.build_stream_list();
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if (! narrow.active()) {
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return;
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}
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var op_stream = narrow.filter().operands('stream');
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if (op_stream.length !== 0) {
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if (stream_data.is_subscribed(op_stream[0])) {
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rebuild_recent_topics(op_stream[0]);
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}
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}
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};
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exports.update_dom_with_unread_counts = function (counts) {
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// We currently handle these message categories:
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// home, starred, mentioned, streams, and topics
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//
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// Note that similar methods elsewhere in the code update
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// the "Private Message" section in the upper left corner
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// and the buddy lists in the right sidebar.
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// counts.stream_count maps streams to counts
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counts.stream_count.each(function (count, stream) {
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set_count("stream", stream, count);
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});
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// counts.subject_count maps streams to hashes of topics to counts
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counts.subject_count.each(function (subject_hash, stream) {
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subject_hash.each(function (count, subject) {
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topic_list.set_count(stream, subject, count);
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});
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});
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// integer counts
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set_count("global", "mentioned", counts.mentioned_message_count);
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set_count("global", "home", counts.home_unread_messages);
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unread_ui.set_count_toggle_button($("#streamlist-toggle-unreadcount"),
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counts.home_unread_messages);
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unread_ui.animate_mention_changes(get_filter_li('global', 'mentioned'),
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counts.mentioned_message_count);
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};
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exports.rename_stream = function (sub) {
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// The sub object is expected to already have the updated name
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build_stream_sidebar_row(sub);
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exports.build_stream_list(); // big hammer
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};
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exports.refresh_pinned_or_unpinned_stream = function (sub) {
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// Pinned/unpinned streams require re-ordering.
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// We use kind of brute force now, which is probably fine.
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build_stream_sidebar_row(sub);
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exports.update_streams_sidebar();
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};
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$(function () {
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// TODO, Eventually topic_list won't be a big singleton,
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// and we can create more component-based click handlers for
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// each stream.
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topic_list.set_click_handlers({
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zoom_in: zoom_in,
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zoom_out: zoom_out
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});
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pm_list.set_click_handlers();
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$(document).on('narrow_activated.zulip', function (event) {
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reset_to_unnarrowed(narrow.stream() === zoomed_stream);
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// TODO: handle confused filters like "in:all stream:foo"
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var op_in = event.filter.operands('in');
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if (op_in.length !== 0) {
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if (['all', 'home'].indexOf(op_in[0]) !== -1) {
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$("#global_filters li[data-name='" + op_in[0] + "']").addClass('active-filter');
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}
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}
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var op_is = event.filter.operands('is');
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if (op_is.length !== 0) {
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if (['starred', 'mentioned'].indexOf(op_is[0]) !== -1) {
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$("#global_filters li[data-name='" + op_is[0] + "']").addClass('active-filter');
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}
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}
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var op_pm = event.filter.operands('pm-with');
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if ((op_is.length !== 0 && _.contains(op_is, "private")) || op_pm.length !== 0) {
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pm_list.expand(op_pm);
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}
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var op_stream = event.filter.operands('stream');
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if (op_stream.length !== 0 && stream_data.is_subscribed(op_stream[0])) {
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var stream_li = get_filter_li('stream', op_stream[0]);
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var op_subject = event.filter.operands('topic');
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if (op_subject.length === 0) {
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stream_li.addClass('active-filter');
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}
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rebuild_recent_topics(op_stream[0]);
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unread.process_visible();
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}
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});
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$(document).on('narrow_deactivated.zulip', function () {
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reset_to_unnarrowed();
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$("#global_filters li[data-name='home']").addClass('active-filter');
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});
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$(document).on('subscription_add_done.zulip', function (event) {
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exports.create_sidebar_row(event.sub);
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exports.build_stream_list();
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});
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$(document).on('subscription_remove_done.zulip', function (event) {
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exports.stream_sidebar.remove_row(event.sub.stream_id);
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// We need to make sure we resort if the removed sub gets added again
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previous_sort_order = undefined;
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previous_unpinned_order = undefined;
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});
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$('#stream_filters').on('click', 'li .subscription_block', function (e) {
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if (e.metaKey || e.ctrlKey) {
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return;
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}
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if (ui.home_tab_obscured()) {
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ui.change_tab_to('#home');
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}
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var stream = $(e.target).parents('li').attr('data-name');
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narrow.by('stream', stream, {select_first_unread: true, trigger: 'sidebar'});
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e.preventDefault();
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e.stopPropagation();
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});
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});
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function actually_update_streams_for_search() {
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exports.update_streams_sidebar();
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resize.resize_page_components();
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}
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var update_streams_for_search = _.throttle(actually_update_streams_for_search, 50);
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exports.searching = function () {
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return $('.stream-list-filter').expectOne().is(':focus');
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};
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exports.escape_search = function () {
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var filter = $('.stream-list-filter').expectOne();
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if (filter.val() === '') {
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exports.clear_and_hide_search();
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return;
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}
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filter.val('');
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update_streams_for_search();
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};
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exports.initiate_search = function () {
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var filter = $('.stream-list-filter').expectOne();
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filter.removeClass('notdisplayed');
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filter.focus();
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};
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exports.clear_and_hide_search = function () {
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var filter = $('.stream-list-filter');
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if (filter.val() !== '') {
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filter.val('');
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update_streams_for_search();
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}
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filter.blur();
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filter.addClass('notdisplayed');
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};
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function focus_stream_filter(e) {
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e.stopPropagation();
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}
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function maybe_select_stream(e) {
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if (e.keyCode === 13) {
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// Enter key was pressed
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var topStream = $('#stream_filters li.narrow-filter').first().data('name');
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if (topStream !== undefined) {
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// undefined if there are no results
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if (ui.home_tab_obscured()) {
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ui.change_tab_to('#home');
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}
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exports.clear_and_hide_search();
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narrow.by('stream', topStream, {select_first_unread: true, trigger: 'sidebar enter key'});
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e.preventDefault();
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e.stopPropagation();
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}
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}
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}
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function toggle_filter_displayed(e) {
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if (e.target.id === 'streams_inline_cog') {
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return;
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}
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if ($('.stream-list-filter.notdisplayed').length === 0) {
|
|
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;
|
|
}
|