zulip/static/js/gear_menu.js

70 lines
2.1 KiB
JavaScript

var gear_menu = (function () {
var exports = {};
// We want to remember how far we were scrolled on each 'tab'.
// To do so, we need to save away the old position of the
// scrollbar when we switch to a new tab (and restore it
// when we switch back.)
var scroll_positions = {};
exports.initialize = function () {
admin.show_or_hide_menu_item();
$('#gear-menu a[data-toggle="tab"]').on('show', function (e) {
// Save the position of our old tab away, before we switch
var old_tab = $(e.relatedTarget).attr('href');
scroll_positions[old_tab] = message_viewport.scrollTop();
});
$('#gear-menu a[data-toggle="tab"]').on('shown', function (e) {
var target_tab = $(e.target).attr('href');
resize.resize_bottom_whitespace();
// Hide all our error messages when switching tabs
$('.alert').removeClass("show");
// Set the URL bar title to show the sub-page you're currently on.
var browser_url = target_tab;
if (browser_url === "#home") {
browser_url = "";
}
hashchange.changehash(browser_url);
// After we show the new tab, restore its old scroll position
// (we apparently have to do this after setting the hash,
// because otherwise that action may scroll us somewhere.)
if (target_tab === '#home') {
if (scroll_positions.hasOwnProperty(target_tab)) {
message_viewport.scrollTop(scroll_positions[target_tab]);
} else {
navigate.scroll_to_selected();
}
}
});
// The admin and settings pages are generated client-side through
// templates.
};
exports.open = function () {
$("#settings-dropdown").click();
// there are invisible li tabs, which should not be clicked.
$("#gear-menu").find("li:not(.invisible) a").eq(0).focus();
};
exports.is_open = function () {
return $(".dropdown").hasClass("open");
};
exports.close = function () {
if (exports.is_open()) {
$(".dropdown").removeClass("open");
}
};
return exports;
}());
if (typeof module !== 'undefined') {
module.exports = gear_menu;
}