libs/cbi: implement tabbing to split large sections and group options in tabs

[project/luci.git] / libs / cbi / luasrc / cbi.lua

diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index 044993a..33b0c7c 100644 (file)
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -781,6 +781,19 @@ function AbstractSection.__init__(self, map, sectiontype, ...)
        self.dynamic = false
 end
 
+-- Define a tab for the section
+function AbstractSection.tab(self, tab, title, desc)
+       self.tabs      = self.tabs      or { }
+       self.tab_names = self.tab_names or { }
+
+       self.tab_names[#self.tab_names+1] = tab
+       self.tabs[tab] = {
+               title       = title,
+               description = desc,
+               childs      = { }
+       }
+end
+
 -- Appends a new option
 function AbstractSection.option(self, class, option, ...)
        -- Autodetect from UVL
@@ -812,6 +825,31 @@ function AbstractSection.option(self, class, option, ...)
        end
 end
 
+-- Appends a new tabbed option
+function AbstractSection.taboption(self, tab, ...)
+
+       assert(tab and self.tabs and self.tabs[tab],
+               "Cannot assign option to not existing tab %q" % tostring(tab))
+
+       local l = self.tabs[tab].childs
+       local o = AbstractSection.option(self, ...)
+
+       if o then l[#l+1] = o end
+
+       return o
+end
+
+-- Render a single tab
+function AbstractSection.render_tab(self, tab, ...)
+
+       assert(tab and self.tabs and self.tabs[tab],
+               "Cannot render not existing tab %q" % tostring(tab))
+
+       for _, node in ipairs(self.tabs[tab].childs) do
+               node:render(...)
+       end
+end
+
 -- Parse optional options
 function AbstractSection.parse_optionals(self, section)
        if not self.optional then