zulip/zephyr/static/js/subs.js

992 lines
34 KiB
JavaScript

var subs = (function () {
var exports = {};
var stream_info = {}; // Maps lowercase stream name to stream properties object
// We fetch the stream colors asynchronous while the message feed is
// getting constructed, so we may need to go back and color streams
// that have already been rendered.
var initial_color_fetch = true;
var default_color = "#c2c2c2";
// Auto-assigned colors should be from the default palette so it's easy to undo
// changes, so if that pallete changes, change these colors.
var stream_assignment_colors = ["#76ce90", "#fae589", "#a6c7e5", "#e79ab5",
"#bfd56f", "#f4ae55", "#b0a5fd", "#addfe5",
"#f5ce6e", "#c2726a", "#94c849", "#bd86e5",
"#ee7e4a", "#a6dcbf", "#95a5fd", "#53a063",
"#9987e1", "#e4523d", "#c2c2c2", "#4f8de4",
"#c6a8ad", "#e7cc4d", "#c8bebf", "#a47462"];
// Clone stream_assignement_colors
var available_colors = stream_assignment_colors.slice(0);
var next_sub_id = 0;
function add_sub(stream_name, sub) {
stream_info[stream_name.toLowerCase()] = sub;
}
function get_sub(stream_name) {
return stream_info[stream_name.toLowerCase()];
}
// Classes which could be returned by get_color_class.
exports.color_classes = 'dark_background';
function pick_color() {
if (available_colors.length === 0) {
// We've used all the palette colors, so start re-using them.
return stream_assignment_colors[exports.subscribed_streams().length
% stream_assignment_colors.length];
}
return available_colors[0];
}
function mark_color_used(color) {
var i;
for (i = 0; i < available_colors.length; ++i) {
if (available_colors[i] === color) {
available_colors.splice(i, 1);
return;
}
}
}
exports.subscribed_streams = function () {
// TODO: Object.keys() compatibility
var list = [];
$.each(Object.keys(stream_info), function (idx, key) {
var sub = stream_info[key];
if (sub.subscribed) {
list.push(sub.name);
}
});
list.sort();
return list;
};
exports.maybe_toggle_all_messages = function () {
var show_all_messages = false;
$.each(stream_info, function (idx, stream) {
if (!stream.in_home_view) {
show_all_messages = true;
return false;
}
});
var all_messages = $("#global_filters [data-name='all']")[0];
if (!show_all_messages) {
$(all_messages).addClass('hidden-filter');
} else {
$(all_messages).removeClass('hidden-filter');
}
};
function should_render_subscribers() {
return page_params.domain !== 'mit.edu';
}
function should_list_all_streams() {
return page_params.domain !== 'mit.edu';
}
function update_table_stream_color(table, stream_name, color) {
var color_class = exports.get_color_class(color);
function fixup(elem) {
elem.css("background-color", color)
.removeClass(exports.color_classes)
.addClass(color_class);
}
$.each(table.find(".stream_label"), function () {
if ($(this).text() === stream_name) {
var parent_label = $(this).parent("td");
fixup(parent_label);
fixup(parent_label.prev("td"));
}
});
}
exports.stream_id = function(stream_name) {
var sub = get_sub(stream_name);
if (sub === undefined) {
blueslip.error("Tried to get subs.stream_id for a stream user is not subscribed to!");
return 0;
}
return parseInt(sub.id, 10);
};
exports.canonicalized_name = function (stream_name) {
return stream_name.toString().toLowerCase();
};
function update_stream_sidebar_swatch_color(stream_name, color) {
var id = exports.stream_id(stream_name);
$("#stream_sidebar_swatch_" + id).css('background-color', color);
}
function update_historical_message_color(stream_name, color) {
update_table_stream_color($(".focused_table"), stream_name, color);
if ($(".focused_table").attr("id") !== "#zhome") {
update_table_stream_color($("#zhome"), stream_name, color);
}
}
function update_stream_color(stream_name, color, opts) {
opts = $.extend({}, {update_historical: false}, opts);
var sub = get_sub(stream_name);
sub.color = color;
var id = parseInt(sub.id, 10);
$("#subscription_" + id + " .color_swatch").css('background-color', color);
if (opts.update_historical) {
update_historical_message_color(stream_name, color);
}
update_stream_sidebar_swatch_color(stream_name, color);
}
function set_stream_property(stream_name, property, value) {
$.ajax({
type: 'POST',
url: '/json/subscriptions/property',
dataType: 'json',
data: {
"property": property,
"stream_name": stream_name,
"value": value
},
timeout: 10*1000
});
}
function stream_home_view_clicked(e) {
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
subs.toggle_home(stream);
}
exports.toggle_home = function (stream_name) {
var sub = get_sub(stream_name);
sub.in_home_view = ! sub.in_home_view;
setTimeout(function () {
home_msg_list.clear({clear_selected_id: false});
// Remember the scroll position as the adding or removing this
// number of rows might cause the page to scroll in unexpected ways
var saved_ypos = window.scrollY;
// Recreate the home_msg_list with the newly filtered all_msg_list
add_messages(all_msg_list.all(), home_msg_list);
// Ensure we're still at the same scroll position
window.scrollTo(0, saved_ypos);
// In case we added messages to what's visible in the home view, we need to re-scroll to make
// sure the pointer is still visible. We don't want the auto-scroll handler to move our pointer
// to the old scroll location before we have a chance to update it.
recenter_pointer_on_display = true;
suppress_scroll_pointer_update = true;
if (! home_msg_list.empty()) {
process_loaded_for_unread(home_msg_list.all());
}
}, 0);
exports.maybe_toggle_all_messages();
set_stream_property(stream_name, 'in_home_view', sub.in_home_view);
stream_list.set_in_home_view(stream_name, sub.in_home_view);
};
function stream_notifications_clicked(e) {
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
var sub = get_sub(stream);
sub.notifications = ! sub.notifications;
set_stream_property(stream, 'notifications', sub.notifications);
}
function set_color(stream_name, color) {
update_stream_color(stream_name, color, {update_historical: true});
set_stream_property(stream_name, 'color', color);
}
var stream_color_palette = [
['a47462', 'c2726a', 'e4523d', 'e7664d', 'ee7e4a', 'f4ae55'],
['76ce90', '53a063', '94c849', 'bfd56f', 'fae589', 'f5ce6e'],
['a6dcbf', 'addfe5', 'a6c7e5', '4f8de4', '95a5fd', 'b0a5fd'],
['c2c2c2', 'c8bebf', 'c6a8ad', 'e79ab5', 'bd86e5', '9987e1']
];
function picker_do_change_color (color) {
var stream_name = $(this).attr('stream_name');
var hex_color = color.toHexString();
set_color(stream_name, hex_color);
}
exports.sidebar_popover_colorpicker_options = {
clickoutFiresChange: true,
showPaletteOnly: true,
showPalette: true,
flat: true,
palette: stream_color_palette,
change: picker_do_change_color
};
exports.sidebar_popover_colorpicker_options_full = {
clickoutFiresChange: true,
showPalette: true,
flat: true,
cancelText: "",
chooseText: "choose",
palette: stream_color_palette,
change: picker_do_change_color
};
var subscriptions_table_colorpicker_options = {
clickoutFiresChange: true,
showPalette: true,
palette: stream_color_palette,
change: picker_do_change_color
};
function create_sub(stream_name, attrs) {
var sub = get_sub(stream_name);
if (sub !== undefined) {
// We've already created this subscription, no need to continue.
return sub;
}
sub = $.extend({}, {name: stream_name, id: next_sub_id++,
render_subscribers: should_render_subscribers(),
subscribed: true, in_home_view: true, invite_only: false,
notifications: false}, attrs);
if (sub.color === undefined) {
sub.color = pick_color();
}
mark_color_used(sub.color);
add_sub(stream_name, sub);
$(document).trigger($.Event('sub_obj_created.zephyr', {sub: sub}));
return sub;
}
function button_for_sub(sub) {
var id = parseInt(sub.id, 10);
return $("#subscription_" + id + " .sub_unsub_button");
}
function settings_for_sub(sub) {
var id = parseInt(sub.id, 10);
return $("#subscription_settings_" + id);
}
exports.show_settings_for = function (stream_name) {
settings_for_sub(get_sub(stream_name)).collapse('show');
};
function add_sub_to_table(sub) {
$('#create_stream_row').after(
templates.render('subscription', {subscriptions: [sub]}));
settings_for_sub(sub).collapse('show');
}
function format_member_list_elem(name, email) {
return name + ' <' + email + '>';
}
function add_to_member_list(ul, name, email) {
var member;
if (email === undefined) {
member = name;
} else {
member = format_member_list_elem(name, email);
}
$('<li>').prependTo(ul).text(member);
}
function mark_subscribed(stream_name, attrs) {
var sub = get_sub(stream_name);
if (sub === undefined) {
// Create a new stream.
sub = create_sub(stream_name, attrs);
add_sub_to_table(sub);
} else if (! sub.subscribed) {
// Add yourself to an existing stream.
sub.subscribed = true;
set_color(stream_name, pick_color());
mark_color_used(sub.color);
var settings = settings_for_sub(sub);
var button = button_for_sub(sub);
if (button.length !== 0) {
button.text("Unsubscribe").removeClass("btn-primary");
// Add the user to the member list if they're currently
// viewing the members of this stream
if (sub.render_subscribers && settings.hasClass('in')) {
var members = settings.find(".subscriber_list_container ul");
add_to_member_list(members, page_params.fullname, page_params.email);
}
} else {
add_sub_to_table(sub);
}
// Display the swatch and subscription settings
var sub_row = settings.closest('.subscription_row');
sub_row.find(".color_swatch").addClass('in');
sub_row.find(".regular_subscription_settings").collapse('show');
} else {
// Already subscribed
return;
}
if (current_msg_list.narrowed) {
current_msg_list.update_trailing_bookend();
}
// Update unread counts as the new stream in sidebar might
// need its unread counts re-calculated
process_loaded_for_unread(all_msg_list.all());
typeahead_helper.update_autocomplete();
$(document).trigger($.Event('subscription_add_done.zephyr', {sub: sub}));
}
function mark_unsubscribed(stream_name) {
var sub = get_sub(stream_name);
if (sub === undefined) {
// We don't know about this stream
return;
} else if (sub.subscribed) {
stream_list.remove_narrow_filter(stream_name, 'stream');
sub.subscribed = false;
button_for_sub(sub).text("Subscribe").addClass("btn-primary");
var settings = settings_for_sub(sub);
if (settings.hasClass('in')) {
settings.collapse('hide');
}
// Hide the swatch and subscription settings
var sub_row = settings.closest('.subscription_row');
sub_row.find(".color_swatch").removeClass('in');
if (sub.render_subscribers) {
// TODO: having a completely empty settings div messes
// with Bootstrap's collapser. We currently just ensure
// that it's not empty on the MIT realm, even though it
// looks weird
sub_row.find(".regular_subscription_settings").collapse('hide');
}
} else {
// Already unsubscribed
return;
}
if (current_msg_list.narrowed) {
current_msg_list.update_trailing_bookend();
}
typeahead_helper.update_autocomplete();
$(document).trigger($.Event('subscription_remove_done.zephyr', {sub: sub}));
}
$(function () {
$(document).on('subscription_add.zephyr', function (e) {
mark_subscribed(e.subscription.name, e.subscription);
});
$(document).on('subscription_remove.zephyr', function (e) {
mark_unsubscribed(e.subscription.name);
});
$(document).on('click', '.subs_set_all_users', function (e) {
$('#people_to_add :checkbox').attr('checked', true);
e.preventDefault();
});
$(document).on('click', '.subs_unset_all_users', function (e) {
$('#people_to_add :checkbox').attr('checked', false);
e.preventDefault();
});
});
exports.get_color = function (stream_name) {
var sub = get_sub(stream_name);
if (sub === undefined) {
return default_color;
}
return sub.color;
};
var lightness_threshold;
$(function () {
// sRGB color component for dark label text.
// 0x33 to match the color #333333 set by Bootstrap.
var label_color = 0x33;
var lightness = colorspace.luminance_to_lightness(
colorspace.sRGB_to_linear(label_color));
// Compute midpoint lightness between that and white (100).
lightness_threshold = (lightness + 100) / 2;
});
// From a background color (in format "#fff" or "#ffffff")
// pick a CSS class (or empty string) to determine the
// text label color etc.
//
// It would be better to work with an actual data structure
// rather than a hex string, but we have to deal with values
// already saved on the server, etc.
//
// This gets called on every message, so cache the results.
exports.get_color_class = util.memoize(function (color) {
var match, i, lightness, channel = [0, 0, 0], mult = 1;
match = /^#([\da-fA-F]{2})([\da-fA-F]{2})([\da-fA-F]{2})$/.exec(color);
if (!match) {
// 3-digit shorthand; Spectrum gives this e.g. for pure black.
// Multiply each digit by 16+1.
mult = 17;
match = /^#([\da-fA-F])([\da-fA-F])([\da-fA-F])$/.exec(color);
if (!match) {
// Can't understand color.
return '';
}
}
// CSS colors are specified in the sRGB color space.
// Convert to linear intensity values.
for (i=0; i<3; i++) {
channel[i] = colorspace.sRGB_to_linear(mult * parseInt(match[i+1], 16));
}
// Compute perceived lightness as CIE L*.
lightness = colorspace.luminance_to_lightness(
colorspace.rgb_luminance(channel));
// Determine if we're past the midpoint between the
// dark and light label lightness.
return (lightness < lightness_threshold) ? 'dark_background' : '';
});
exports.get_invite_only = function (stream_name) {
var sub = get_sub(stream_name);
if (sub === undefined) {
return false;
}
return sub.invite_only;
};
exports.receives_notifications = function (stream_name) {
var sub = get_sub(stream_name);
if (sub === undefined) {
return false;
}
return sub.notifications;
};
function populate_subscriptions(subs, subscribed) {
var sub_rows = [];
subs.sort(function (a, b) {
return util.strcmp(a.name, b.name);
});
subs.forEach(function (elem) {
var stream_name = elem.name;
var sub = create_sub(stream_name, {color: elem.color, in_home_view: elem.in_home_view,
invite_only: elem.invite_only,
notifications: elem.notifications, subscribed: subscribed});
sub_rows.push(sub);
});
stream_list.sort_narrow_list();
return sub_rows;
}
exports.reload_subscriptions = function (opts) {
var on_success;
opts = $.extend({}, {clear_first: false, custom_callbacks: false}, opts);
if (! opts.custom_callbacks) {
on_success = function (data) {
if (data) {
populate_subscriptions(data.subscriptions, true);
}
};
}
if (opts.clear_first) {
stream_info = {};
stream_list.remove_all_narrow_filters();
}
return $.ajax({
type: 'POST',
url: '/json/subscriptions/list',
dataType: 'json',
timeout: 10*1000,
success: on_success
});
};
exports.setup_page = function () {
util.make_loading_indicator($('#subs_page_loading_indicator'));
function populate_and_fill(stream_data, subscription_data) {
var all_streams = [];
var our_subs = [];
var sub_rows = [];
/* arguments are [ "success", statusText, jqXHR ] */
if (stream_data.length > 2 && stream_data[2]) {
var stream_response = JSON.parse(stream_data[2].responseText);
$.each(stream_response.streams, function(idx, stream) {
all_streams.push(stream.name);
});
}
if (subscription_data.length > 2 && subscription_data[2]) {
var subs_response = JSON.parse(subscription_data[2].responseText);
our_subs = subs_response.subscriptions;
}
// All streams won't contain invite-only streams,
// or anything at all if should_list_all_streams() is false
$.each(our_subs, function(idx, stream) {
if (all_streams.indexOf(stream.name) === -1) {
all_streams.push(stream.name);
}
});
populate_subscriptions(our_subs, true);
all_streams.forEach(function (stream) {
var sub = exports.get(stream);
if (!sub) {
sub = create_sub(stream, {subscribed: false});
}
sub_rows.push(sub);
});
sub_rows.sort(function (streama, streamb) {
if (streama.subscribed && !streamb.subscribed) {
return -1;
} else if (streamb.subscribed && !streama.subscribed) {
return 1;
} else {
return util.strcmp(streama.name, streamb.name);
}
});
$('#subscriptions_table tr:gt(0)').remove();
$('#subscriptions_table').append(
templates.render('subscription', {subscriptions: sub_rows}));
util.destroy_loading_indicator($('#subs_page_loading_indicator'));
$(document).trigger($.Event('subs_page_loaded.zephyr'));
}
function failed_listing(xhr, error) {
util.destroy_loading_indicator($('#subs_page_loading_indicator'));
ui.report_error("Error listing streams or subscriptions", xhr, $("#subscriptions-status"));
}
var requests = [];
if (should_list_all_streams()) {
// This query must go first to prevent a race when we are not
// listing all streams
var req = $.ajax({
type: 'POST',
url: '/json/get_public_streams',
dataType: 'json',
timeout: 10*1000
});
requests.push(req);
} else {
// Handing an object to $.when() means that it counts as a 'success' with the
// object delivered directly to the callback
requests.push({streams: []});
$('#create_stream_button').val("Subscribe");
}
requests.push(exports.reload_subscriptions({custom_callbacks: true}));
// Trigger finished callback when:
// * Both AJAX requests are finished, if we sent themm both
// * Just one AJAX is finished if should_list_all_streams() is false
$.when.apply(this, requests).then(populate_and_fill, failed_listing);
};
exports.get = function (stream_name) {
return get_sub(stream_name);
};
exports.in_home_view = function (stream_name) {
var sub = get_sub(stream_name);
return sub !== undefined && sub.in_home_view;
};
exports.is_subscribed = function (stream_name) {
var sub = get_sub(stream_name);
return sub !== undefined && sub.subscribed;
};
function ajaxSubscribe(stream) {
// Subscribe yourself to a single stream.
var true_stream_name;
return $.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([{"name": stream}]) },
success: function (resp, statusText, xhr, form) {
$("#create_stream_name").val("");
var res = $.parseJSON(xhr.responseText);
if (!$.isEmptyObject(res.already_subscribed)) {
// Display the canonical stream capitalization.
true_stream_name = res.already_subscribed[page_params.email][0];
ui.report_success("Already subscribed to " + true_stream_name,
$("#subscriptions-status"));
}
// The rest of the work is done via the subscribe event we will get
},
error: function (xhr) {
ui.report_error("Error adding subscription", xhr, $("#subscriptions-status"));
$("#create_stream_name").focus();
}
});
}
function ajaxUnsubscribe(stream) {
$.ajax({
type: "POST",
url: "/json/subscriptions/remove",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([stream]) },
success: function (resp, statusText, xhr, form) {
var name, res = $.parseJSON(xhr.responseText);
$("#subscriptions-status").hide();
// The rest of the work is done via the unsubscribe event we will get
},
error: function (xhr) {
ui.report_error("Error removing subscription", xhr, $("#subscriptions-status"));
$("#create_stream_name").focus();
}
});
}
function ajaxSubscribeForCreation(stream, principals, invite_only) {
// Subscribe yourself and possible other people to a new stream.
return $.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {"subscriptions": JSON.stringify([{"name": stream}]),
"principals": JSON.stringify(principals),
"invite_only": JSON.stringify(invite_only)
},
success: function (data) {
$("#create_stream_name").val("");
$("#subscriptions-status").hide();
$('#stream-creation').modal("hide");
// The rest of the work is done via the subscribe event we will get
},
error: function (xhr) {
ui.report_error("Error creating stream", xhr, $("#subscriptions-status"));
$('#stream-creation').modal("hide");
}
});
}
// The tutorial bot needs this function to add you to the
// tutorial-yourname stream.
exports.tutorial_subscribe_or_add_me_to = function (stream_name) {
var stream_status = compose.check_stream_existence(stream_name);
if (stream_status === 'does-not-exist') {
return ajaxSubscribeForCreation(stream_name, [page_params.email], false);
} else {
return ajaxSubscribe(stream_name);
}
};
exports.tutorial_unsubscribe_me_from = function (stream_name) {
ajaxUnsubscribe(stream_name);
};
function people_cmp(person1, person2) {
// Compares objects of the form used in people_list.
var name_cmp = util.strcmp(person1.full_name, person2.full_name);
if (name_cmp < 0) {
return -1;
} else if (name_cmp > 0) {
return 1;
}
return util.strcmp(person1.email, person2.email);
}
function show_new_stream_modal() {
var people_minus_you_and_maybe_humbuggers = [];
$.each(page_params.people_list, function (idx, person) {
if (person.email !== page_params.email &&
(page_params.domain === "humbughq.com" ||
person.email.split('@')[1] !== "humbughq.com"
)
) {
people_minus_you_and_maybe_humbuggers.push({"email": person.email,
"full_name": person.full_name});
}
});
$('#people_to_add').html(templates.render('new_stream_users', {
users: people_minus_you_and_maybe_humbuggers.sort(people_cmp)
}));
$('#stream-creation').modal("show");
}
$(function () {
var i;
// Populate stream_info with data handed over to client-side template.
populate_subscriptions(page_params.stream_list, true);
populate_subscriptions(page_params.unsubbed_info, false);
$("#add_new_subscription").on("submit", function (e) {
e.preventDefault();
if (!should_list_all_streams()) {
ajaxSubscribe($("#create_stream_name").val());
return;
}
var stream = $.trim($("#create_stream_name").val());
var stream_status = compose.check_stream_existence(stream);
if (stream_status === "does-not-exist") {
$("#stream_name").text(stream);
show_new_stream_modal();
} else {
ajaxSubscribe(stream);
}
});
$("#stream_creation_form").on("submit", function (e) {
e.preventDefault();
var stream = $.trim($("#create_stream_name").val());
var principals = [];
$("#stream_creation_form input:checkbox[name=user]:checked").each(function () {
principals.push($(this).val());
});
// You are always subscribed to streams you create.
principals.push(page_params.email);
ajaxSubscribeForCreation(stream,
principals,
$('#stream_creation_form input[name=privacy]:checked').val() === "invite-only"
);
});
$("#subscriptions_table").on("click", ".sub_unsub_button", function (e) {
e.preventDefault();
e.stopPropagation();
var sub_row = $(e.target).closest('.subscription_row');
var stream_name = sub_row.find('.subscription_name').text();
var sub = get_sub(stream_name);
if (sub.subscribed) {
ajaxUnsubscribe(stream_name);
} else {
ajaxSubscribe(stream_name);
}
});
$("#subscriptions_table").on("show", ".subscription_settings", function (e) {
var subrow = $(e.target).closest('.subscription_row');
var colorpicker = subrow.find('.colorpicker');
colorpicker.spectrum(subscriptions_table_colorpicker_options);
// To figure out the worst case for an expanded row's height, we do some math:
// .subscriber_list_container max-height,
// .subscriber_list_settings,
// .regular_subscription_settings
// .subscription_header line-height,
// .subscription_header padding
var expanded_row_size = 200 + 30 + 100 + 30 + 5;
var cover = subrow.position().top + expanded_row_size -
viewport.height() + $("#top_navbar").height() - viewport.scrollTop();
if (cover > 0) {
$('html, body').animate({
scrollTop: viewport.scrollTop() + cover + 5
});
}
});
$("#subscriptions_table").on("click", ".sub_setting_checkbox", function (e) {
var control = $(e.target).closest('.sub_setting_checkbox').find('.sub_setting_control');
// A hack. Don't change the state of the checkbox if we
// clicked on the checkbox itself.
if (control[0] !== e.target) {
control.prop("checked", ! control.prop("checked"));
}
});
$("#subscriptions_table").on("click", "#sub_setting_in_home_view", stream_home_view_clicked);
$("#subscriptions_table").on("click", "#sub_setting_notifications", stream_notifications_clicked);
// From here down is only stuff that happens when we're rendering
// the subscriber settings
if (! should_render_subscribers()) {
return;
}
$("#subscriptions_table").on("submit", ".subscriber_list_add form", function (e) {
e.preventDefault();
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
var text_box = sub_row.find('input[name="principal"]');
var principal = $.trim(text_box.val());
// TODO: clean up this error handling
var error_elem = sub_row.find('.subscriber_list_container .alert-error');
var warning_elem = sub_row.find('.subscriber_list_container .alert-warning');
var list = sub_row.find('.subscriber_list_container ul');
$.ajax({
type: "POST",
url: "/json/subscriptions/add",
dataType: 'json',
data: {"subscriptions": JSON.stringify([{"name": stream}]),
"principals": JSON.stringify([principal])},
success: function (data) {
text_box.val('');
if (data.subscribed.hasOwnProperty(principal)) {
error_elem.addClass("hide");
warning_elem.addClass("hide");
if (principal === page_params.email) {
// mark_subscribed adds the user to the member list
mark_subscribed(stream);
} else {
add_to_member_list(list, people_dict[principal].full_name, principal);
}
} else {
error_elem.addClass("hide");
warning_elem.removeClass("hide").text("User already subscribed");
}
},
error: function (xhr) {
warning_elem.addClass("hide");
error_elem.removeClass("hide").text("Could not add user to this stream");
}
});
});
$("#subscriptions_table").on("show", ".regular_subscription_settings", function (e) {
// We want 'show' events that originate from
// 'regular_subscription_settings' divs not to trigger the
// handler for the entire subscription_settings div
e.stopPropagation();
});
$("#subscriptions_table").on("show", ".subscription_settings", function (e) {
var sub_row = $(e.target).closest('.subscription_row');
var stream = sub_row.find('.subscription_name').text();
var warning_elem = sub_row.find('.subscriber_list_container .alert-warning');
var error_elem = sub_row.find('.subscriber_list_container .alert-error');
var list = sub_row.find('.subscriber_list_container ul');
var indicator_elem = sub_row.find('.subscriber_list_loading_indicator');
warning_elem.addClass('hide');
error_elem.addClass('hide');
list.empty();
util.make_loading_indicator(indicator_elem);
$.ajax({
type: "POST",
url: "/json/get_subscribers",
dataType: 'json', // This seems to be ignored. We still get back an xhr.
data: {stream: stream},
success: function (data) {
util.destroy_loading_indicator(indicator_elem);
var subscribers = $.map(data.subscribers, function (elem) {
var person = people_dict[elem];
if (person === undefined) {
return elem;
}
return format_member_list_elem(people_dict[elem].full_name, elem);
});
$.each(subscribers.sort().reverse(), function (idx, elem) {
// add_to_member_list *prepends* the element,
// so we need to sort in reverse order for it to
// appear in alphabetical order.
add_to_member_list(list, elem);
});
},
error: function (xhr) {
util.destroy_loading_indicator(indicator_elem);
error_elem.removeClass("hide").text("Could not fetch subscriber list");
}
});
sub_row.find('input[name="principal"]').typeahead({
source: typeahead_helper.private_message_typeahead_list,
items: 4,
highlighter: function (item) {
var query = this.query;
return typeahead_helper.highlight_with_escaping(query, item);
},
matcher: function (item) {
var query = $.trim(this.query);
if (query === '') {
return false;
}
// Case-insensitive.
return (item.toLowerCase().indexOf(query.toLowerCase()) !== -1);
},
updater: function (item) {
return typeahead_helper.private_message_mapped[item].email;
}
});
});
// Change the down arrow to an up arrow on expansion, and back to a down
// arrow on collapse.
// FIXME: If there's a way, it may be better to do this in pure CSS.
$("#subscriptions_table").on("show", ".subscription_settings", function (e) {
var sub_arrow = $(e.target).closest('.subscription_row').find('.sub_arrow i');
sub_arrow.removeClass('icon-vector-chevron-down');
sub_arrow.addClass('icon-vector-chevron-up');
});
$("#subscriptions_table").on("hide", ".subscription_settings", function (e) {
var sub_arrow = $(e.target).closest('.subscription_row').find('.sub_arrow i');
sub_arrow.removeClass('icon-vector-chevron-up');
sub_arrow.addClass('icon-vector-chevron-down');
});
});
function focus_on_narrowed_stream() {
var stream_name = narrow.stream();
if (stream_name === undefined) {
return;
}
var sub = get_sub(stream_name);
if (sub !== undefined) {
// This stream is in the list, so focus on it.
$('html, body').animate({
scrollTop: settings_for_sub(sub).offset().top
});
} else {
// This stream doesn't exist, so prep for creating it.
$("#create_stream_name").val(stream_name);
}
}
exports.show_and_focus_on_narrow = function () {
$("#gear-menu a[href='#subscriptions']").one('shown',
focus_on_narrowed_stream);
ui.change_tab_to("#subscriptions");
};
return exports;
}());