luci-theme-openwrt: rework menu rendering

Utilize the LuCI.ui.menu class to load, traverse and cache the menu tree
in the local session store.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

2 files changed, 4 insertions, 155 deletions

diff --git a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/footer.htm b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/footer.htm
index a056dd84f..356b6dac1 100644
--- a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/footer.htm
+++ b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/footer.htm
@@ -12,5 +12,8 @@
 	<% local ver = require "luci.version" -%>
 	Powered by <%= ver.luciname %> (<%= ver.luciversion %>)
 </p>
+
+<script type="text/javascript">L.require('menu-openwrt')</script>
+
 </body>
 </html>
diff --git a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
index fb7c7f22d..376aee99c 100644
--- a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
+++ b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
@@ -36,156 +36,7 @@
 <% end -%>
 <script type="text/javascript" src="<%=url('admin/translations', luci.i18n.context.lang)%><%# ?v=PKG_VERSION %>"></script>
 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
-<script type="text/javascript" src="<%=resource%>/xhr.js"></script>
-<script type="text/javascript">//<![CDATA[
-	(function() {
-		function get_children(node) {
-			var children = [];
-
-			for (var k in node.children) {
-				if (!node.children.hasOwnProperty(k))
-					continue;
-
-				if (!node.children[k].satisfied)
-					continue;
-
-				if (!node.children[k].hasOwnProperty('title'))
-					continue;
-
-				children.push(Object.assign(node.children[k], { name: k }));
-			}
-
-			return children.sort(function(a, b) {
-				return ((a.order || 1000) - (b.order || 1000));
-			});
-		}
-
-		function handle_mainmenu_expand(ev) {
-			var a = ev.target, ul1 = a.parentNode.parentNode, ul2 = a.nextElementSibling;
-
-			document.querySelectorAll('ul.mainmenu.l1 > li.active').forEach(function(li) {
-				if (li !== a.parentNode)
-					li.classList.remove('active');
-			});
-
-			if (!ul2)
-				return;
-
-			if (ul2.parentNode.offsetLeft + ul2.offsetWidth <= ul1.offsetLeft + ul1.offsetWidth)
-				ul2.classList.add('align-left');
 
-			ul1.classList.add('active');
-			a.parentNode.classList.add('active');
-			a.blur();
-
-			ev.preventDefault();
-			ev.stopPropagation();
-		}
-
-		function render_mainmenu(tree, url, level) {
-			var l = (level || 0) + 1,
-			    ul = E('ul', { 'class': 'mainmenu l%d'.format(l) }),
-			    children = get_children(tree);
-
-			if (children.length == 0 || l > 2)
-				return E([]);
-
-			for (var i = 0; i < children.length; i++) {
-				var isActive = (L.env.dispatchpath[l] == children[i].name),
-				    activeClass = 'mainmenu-item-%s%s'.format(children[i].name, isActive ? ' selected' : '');
-
-				ul.appendChild(E('li', { 'class': activeClass }, [
-					E('a', {
-						'href': L.url(url, children[i].name),
-						'click': (l == 1) ? handle_mainmenu_expand : null,
-					}, [ _(children[i].title) ]),
-					render_mainmenu(children[i], url + '/' + children[i].name, l)
-				]));
-			}
-
-			if (l == 1) {
-				var container = document.querySelector('#mainmenu');
-
-				container.appendChild(ul);
-				container.style.display = '';
-			}
-
-			return ul;
-		}
-
-		function render_modemenu(tree) {
-			var ul = document.querySelector('#modemenu'),
-			    children = get_children(tree);
-
-			for (var i = 0; i < children.length; i++) {
-				var isActive = (L.env.requestpath.length ? children[i].name == L.env.requestpath[0] : i == 0);
-
-				ul.appendChild(E('li', {}, [
-					E('a', {
-						'href': L.url(children[i].name),
-						'class': isActive ? 'active' : null
-					}, [ _(children[i].title) ])
-				]));
-
-				if (isActive)
-					render_mainmenu(children[i], children[i].name);
-			}
-
-			if (ul.children.length > 1)
-				ul.style.display = '';
-		}
-
-		function render_tabmenu(tree, url, level) {
-			var container = document.querySelector('#tabmenu'),
-			    l = (level || 0) + 1,
-			    ul = E('ul', { 'class': 'cbi-tabmenu' }),
-			    children = get_children(tree),
-			    activeNode = null;
-
-			if (children.length == 0)
-				return E([]);
-
-			for (var i = 0; i < children.length; i++) {
-				var isActive = (L.env.dispatchpath[l + 2] == children[i].name),
-				    activeClass = isActive ? ' cbi-tab' : '',
-				    className = 'tabmenu-item-%s %s'.format(children[i].name, activeClass);
-
-				ul.appendChild(E('li', { 'class': className }, [
-					E('a', { 'href': L.url(url, children[i].name) }, [ _(children[i].title) ] )
-				]));
-
-				if (isActive)
-					activeNode = children[i];
-			}
-
-			container.appendChild(ul);
-			container.style.display = '';
-
-			if (activeNode)
-				container.appendChild(render_tabmenu(activeNode, url + '/' + activeNode.name, l));
-
-			return ul;
-		}
-
-		document.addEventListener('luci-loaded', function(ev) {
-			var tree = <%= luci.http.write_json(luci.dispatcher.menu_json() or {}) %>,
-			    node = tree,
-			    url = '';
-
-			render_modemenu(tree);
-
-			if (L.env.dispatchpath.length >= 3) {
-				for (var i = 0; i < 3 && node; i++) {
-					node = node.children[L.env.dispatchpath[i]];
-					url = url + (url ? '/' : '') + L.env.dispatchpath[i];
-				}
-
-				if (node)
-					render_tabmenu(node, url);
-			}
-		});
-	})();
-//]]></script>
 <title><%=striptags( (boardinfo.hostname or "?") .. ( (node and node.title) and ' - ' .. translate(node.title) or '')) %> - LuCI</title>
 </head>
 <body class="lang_<%=luci.i18n.context.lang%>" data-page="<%= pcdata(table.concat(disp.context.requestpath, "-")) %>">
@@ -203,12 +54,7 @@
 	<%:Load%>: <%="%.2f" % (loadinfo[1] / 65535.0)%> <%="%.2f" % (loadinfo[2] / 65535.0)%> <%="%.2f" % (loadinfo[3] / 65535.0)%>
 </div>
 
-<div id="indicators">
-	<span id="xhr_poll_status" style="display:none" onclick="XHR.running() ? XHR.halt() : XHR.run()">
-		<span id="xhr_poll_status_on"><%:Auto Refresh%>: <%:on%></span>
-		<span id="xhr_poll_status_off" style="display:none"><%:Auto Refresh%>: <%:off%></span>
-	</span>
-</div>
+<div id="indicators"></div>
 
 <ul id="modemenu" style="display:none"></ul>