mirror of https://github.com/zulip/zulip.git
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
var gear_menu = (function () {
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var exports = {};
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// We want to remember how far we were scrolled on each 'tab'.
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// To do so, we need to save away the old position of the
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// scrollbar when we switch to a new tab (and restore it
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// when we switch back.)
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var scroll_positions = {};
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exports.initialize = function () {
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admin.show_or_hide_menu_item();
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$('#gear-menu a[data-toggle="tab"]').on('show', function (e) {
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// Save the position of our old tab away, before we switch
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var old_tab = $(e.relatedTarget).attr('href');
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scroll_positions[old_tab] = viewport.scrollTop();
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});
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$('#gear-menu a[data-toggle="tab"]').on('shown', function (e) {
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var target_tab = $(e.target).attr('href');
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resize.resize_bottom_whitespace();
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// Hide all our error messages when switching tabs
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$('.alert-error').hide();
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$('.alert-success').hide();
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$('.alert-info').hide();
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$('.alert').hide();
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// Set the URL bar title to show the sub-page you're currently on.
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var browser_url = target_tab;
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if (browser_url === "#home") {
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browser_url = "";
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}
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hashchange.changehash(browser_url);
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// After we show the new tab, restore its old scroll position
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// (we apparently have to do this after setting the hash,
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// because otherwise that action may scroll us somewhere.)
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if (scroll_positions.hasOwnProperty(target_tab)) {
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viewport.scrollTop(scroll_positions[target_tab]);
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} else {
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if (target_tab === '#home') {
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navigate.scroll_to_selected();
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} else {
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viewport.scrollTop(0);
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}
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}
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});
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// The admin and settings pages are generated client-side through
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// templates.
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};
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return exports;
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}());
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if (typeof module !== 'undefined') {
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module.exports = gear_menu;
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}
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