zulip/static/js/custom_markdown.js

126 lines
4.4 KiB
JavaScript

var custom_markdown = (function () {
var exports = {};
(function () {
// Javascript for bugdown.StreamSubscribeButton
// A map of stream names to ids to select inline subscribe node without
// needing to escape the CSS selectors.
var inline_subscribe_id_map = {};
function add_sub(stream_name, $status_message) {
channel.post({
url: '/json/users/me/subscriptions',
data: {
subscriptions: JSON.stringify([{'name': stream_name}])
}
}).then(
function (data) {
if (!$.isEmptyObject(data.already_subscribed)) {
// Display the canonical stream capitalization.
var true_stream_name = data.already_subscribed[page_params.email][0];
ui.report_success(i18n.t("Already subscribed to __stream__", {'stream': true_stream_name}),
$status_message);
}
}, function (xhr) {
ui.report_error(i18n.t("Error adding subscription"), xhr, $status_message);
}
);
}
function remove_sub(stream_name, $status_message) {
channel.post({
url: '/json/subscriptions/remove',
data: {
subscriptions: JSON.stringify([stream_name])
}
}).then(
function (data) {
$status_message.hide();
}, function (xhr) {
ui.report_error(i18n.t("Error removing subscription"), xhr, $status_message);
}
);
}
function display_subscribe($button, stream_name) {
$button.text(i18n.t('Subscribe to __stream__', {'stream': stream_data.canonicalized_name(stream_name)}))
.removeClass('btn-success')
.addClass('btn-default');
}
function display_unsubscribe($button, stream_name) {
$button.text(i18n.t('Unsubscribe from __stream__', {'stream': stream_data.canonicalized_name(stream_name)}))
.removeClass('btn-default')
.addClass('btn-success');
}
function update_button_display($button, stream_name) {
if (stream_data.is_subscribed(stream_name)) {
display_unsubscribe($button, stream_name);
} else {
display_subscribe($button, stream_name);
}
}
$(function () {
$('#main_div').delegate('.inline-subscribe-button', 'click', function (e) {
var $button = $(e.target);
var stream_name = $button.closest('.inline-subscribe').attr('data-stream-name');
var $status_message = $button.siblings('.inline-subscribe-error');
e.preventDefault();
e.stopPropagation();
if (stream_data.is_subscribed(stream_name)) {
remove_sub(stream_name, $status_message);
} else {
add_sub(stream_name, $status_message);
}
});
});
$(document).on('message_rendered.zulip', function (e) {
var $inline_subscribe;
var $button;
var stream_name;
var id;
$inline_subscribe = $(e.target).find('.inline-subscribe');
if ($inline_subscribe.length === 0) {
return;
}
stream_name = $inline_subscribe.attr('data-stream-name');
$button = $inline_subscribe.find('.inline-subscribe-button');
if (inline_subscribe_id_map[stream_name]) {
id = inline_subscribe_id_map[stream_name];
} else {
id = _.uniqueId('inline-subscribe-id-');
inline_subscribe_id_map[stream_name] = id;
}
// Can not use data here, jQuery only stores into expando so our jQuery
// selectors will not be able to find it.
$inline_subscribe.attr('data-stream-ui-id', id);
update_button_display($button, stream_name);
});
var sub_event_handler = function (e) {
var stream_name = e.sub.name;
var id = inline_subscribe_id_map[stream_name];
var $button = $('#main_div').
find('.inline-subscribe[data-stream-ui-id="'+ id + '"] .inline-subscribe-button');
update_button_display($button, stream_name);
};
$(document).on('subscription_add_done.zulip', sub_event_handler);
$(document).on('subscription_remove_done.zulip', sub_event_handler);
}());
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = custom_markdown;
}