Add dropdown menu toggles for basic click-sets

diff --git a/BindConfig.lua b/BindConfig.lua
index fae1f59..9fd20ce 100755
--- a/BindConfig.lua
+++ b/BindConfig.lua
@@ -381,8 +381,26 @@ function CliqueConfig:AcceptSetBinding()
     dialog:Hide()
 end

+local function toggleSet(binding, set)
+    return function()
+        if not binding.sets then
+            binding.sets = {}
+        end
+        if binding.sets[set] then
+            binding.sets[set] = nil
+        else
+            binding.sets[set] = true
+        end
+        CliqueConfig:UpdateList()
+    end
+end
+
 function CliqueConfig:Row_OnClick(frame, button)
     local menu = {
+        {
+            text = L["Configure binding"],
+            isTitle = true,
+        },
         {
             text = L["Change binding"],
             func = function()
@@ -401,6 +419,62 @@ function CliqueConfig:Row_OnClick(frame, button)
             notCheckable = true,
         },
     }
+
+    local submenu = {
+        text = L["Enable/Disable click-sets"],
+        hasArrow = true,
+        notCheckable = true,
+        menuList = {},
+    }
+    table.insert(menu, submenu)
+
+    local binding = Clique.profile.binds[frame.bindIndex]
+
+    table.insert(submenu.menuList, {
+        text = L["Default"],
+        checked = function() return binding.sets["default"] end,
+        func = toggleSet(binding, "default"),
+        tooltipTitle = L["Clique: 'default' click-set"],
+        tooltipText = L["A binding that belongs to the 'default' click-set will always be active on your unit frames, unless you override it with another binding."],
+        keepShownOnClick = true,
+    })
+
+    table.insert(submenu.menuList, {
+        text = L["Friend"],
+        checked = function() return binding.sets["friend"] end,
+        func = toggleSet(binding, "friend"),
+        tooltipTitle = L["Clique: 'friend' click-set"],
+        tooltipText = L["A binding that belongs to the 'frield' click-set will only be active when clicking on unit frames that display friendly units, i.e. those you can heal and assist. If you click on a unit that you cannot heal or assist, nothing will happen."],
+        keepShownOnClick = true,
+    })
+
+    table.insert(submenu.menuList, {
+        text = L["Enemy"],
+        checked = function() return binding.sets["enemy"] end,
+        func = toggleSet(binding, "enemy"),
+        tooltipTitle = L["Clique: 'enemy' click-set"],
+        tooltipText = L["A binding that belongs to the 'enemy' click-set will always be active when clicking on unit frames that display enemy units, i.e. those you can attack. If you click on a unit that you cannot attack, nothing will happen."],
+        keepShownOnClick = true,
+    })
+
+    table.insert(submenu.menuList, {
+        text = L["Out-of-combat only"],
+        checked = function() return binding.sets["ooc"] end,
+        func = toggleSet(binding, "ooc"),
+        tooltipTitle = L["Clique: 'ooc' click-set"],
+        tooltipText = L["A binding that belongs to the 'ooc' click-set will only be active when the player is out-of-combat. As soon as the player enters combat, these bindings will no longer be active, so be careful when choosing this click-set for any spells you use frequently."],
+        keepShownOnClick = true,
+    })
+
+    table.insert(submenu.menuList, {
+        text = L["Global bindings"],
+        checked = function() return binding.sets["global"] end,
+        func = toggleSet(binding, "global"),
+        tooltipTitle = L["Clique: 'global' click-set"],
+        tooltipText = L["A binding that belongs to the 'global' click-set is always active, regardless of whether the mouse is over a unit frame or not. This click-set allows you to bind spells to keys that can then be used over the 3-D game world, to enable 'hovercasting', where you hover over a unit in the world and press a key to cast a spell on them. These bindings are also active over unit frames."],
+        keepShownOnClick = true,
+    })
+
     EasyMenu(menu, self.dropdown, "cursor", 0, 0, nil, nil)
 end

diff --git a/Clique.lua b/Clique.lua
index d4f5109..5aa6fc2 100755
--- a/Clique.lua
+++ b/Clique.lua
@@ -139,8 +139,8 @@ function addon:InitializeDatabase()
     if reset then
         CliqueDB = {
             binds = {
-                [1] = {key = "BUTTON1", type = "target", unit = "mouseover"},
-                [2] = {key = "BUTTON2", type = "menu"},
+                [1] = {key = "BUTTON1", type = "target", unit = "mouseover", sets = {default = true}},
+                [2] = {key = "BUTTON2", type = "menu", sets = {default = true}},
             },
             dbversion = 2,
         }
@@ -257,9 +257,14 @@ end
 -- }

 function addon:AddBinding(entry)
-    -- Check to see if the new binding conflicts with an existing binding
+    -- TODO: Check to see if the new binding conflicts with an existing binding
+
+    -- TODO: Validate the entry to ensure it has the correct arguments, etc.
+
+    if not entry.sets then
+        entry.sets = {default = true}
+    end

-    -- Validate the entry to ensure it has the correct arguments, etc.
     table.insert(self.profile.binds, entry)

     self:UpdateAttributes()
diff --git a/Utils.lua b/Utils.lua
index 8797870..84b3052 100644
--- a/Utils.lua
+++ b/Utils.lua
@@ -186,6 +186,9 @@ function addon:GetBindingInfoText(binding)
     local sets = binding.sets
     if not sets then
         return ""
+    elseif not next(sets) then
+        -- No bindings set, so display a message
+        return L["This binding is DISABLED"]
     else
         local bits = {}
         for k,v in pairs(sets) do