focus: add /castfocus command

README.md

@@ -29,6 +29,7 @@ This is **not** an addon-pack like [ShaguUI](http://shagu.org/ShaguUI/), however
     /farm         Toggles the Farm-Mode
     /pfcast       Same as /cast but for mouseover units
     /focus        Creates a Focus-Frame for the current target
+    /castfocus    Same as /cast but for focus frame
     /clearfocus   Clears the Focus-Frame
 
 ## Languages

modules/focus.lua

@@ -20,6 +20,51 @@ function SlashCmdList.PFCLEARFOCUS(msg)
   end
 end
 
+SLASH_PFCASTFOCUS1 = '/castfocus'
+function SlashCmdList.PFCASTFOCUS(msg)
+  if not pfUI.uf.focus or not pfUI.uf.focus:IsShown() or not pfUI.uf.focus.unitname then
+    UIErrorsFrame:AddMessage(SPELL_FAILED_BAD_TARGETS, 1, 0, 0)
+    return
+  end
+
+  local skiptarget = false
+  local player = UnitIsUnit("target", "player")
+
+  if pfUI.uf.focus.label and UnitIsUnit("target", pfUI.uf.focus.label .. pfUI.uf.focus.id) then
+    skiptarget = true
+  else
+    pfScanActive = true
+    if pfUI.uf.focus.label and pfUI.uf.focus.id then
+      TargetUnit(pfUI.uf.focus.label .. pfUI.uf.focus.id)
+    else
+      TargetByName(pfUI.uf.focus.unitname)
+    end
+
+    if strlower(UnitName("target")) ~= strlower(pfUI.uf.focus.unitname) then
+      pfScanActive = nil
+      TargetLastTarget()
+      UIErrorsFrame:AddMessage(SPELL_FAILED_BAD_TARGETS, 1, 0, 0)
+      return
+    end
+  end
+
+  local func = loadstring(msg or "")
+  if func then
+    func()
+  else
+    CastSpellByName(msg)
+  end
+
+  if skiptarget == false then
+    pfScanActive = nil
+    if player then
+      TargetUnit("player")
+    else
+      TargetLastTarget()
+    end
+  end
+end
+
 pfUI:RegisterModule("focus", function ()
   -- do not go further on disabled UFs
   if C.unitframes.disable == "1" then return end