Imported Upstream version 20090110

[ion3.git] / ioncore / ioncore_misc.lua

diff --git a/ioncore/ioncore_misc.lua b/ioncore/ioncore_misc.lua
index 4637279d798fa7c108b32a97a6c4ae58927b3f53..7dc63535b1c00cd31a43dd000cff177d3ba5f9b3 100644 (file)
--- a/ioncore/ioncore_misc.lua
+++ b/ioncore/ioncore_misc.lua
@@ -1,12 +1,9 @@
 --
 -- ion/share/ioncore_misc.lua
 -- 
--- Copyright (c) Tuomo Valkonen 2004-2007.
+-- Copyright (c) Tuomo Valkonen 2004-2009.
 --
--- Ion is free software; you can redistribute it and/or modify it under
--- the terms of the GNU Lesser General Public License as published by
--- the Free Software Foundation; either version 2.1 of the License, or
--- (at your option) any later version.
+-- See the included file LICENSE for details.
 --
 
 local group_tmpl = { type="WGroupWS" }
@@ -25,7 +22,7 @@ local layouts={
 -- attach/creation parameters given in \var{tab}. The layout
 -- "empty" may not be defined.
 function ioncore.deflayout(name, tab)
-    assert(layout ~= "empty")
+    assert(name ~= "empty")
     
     if name=="default" and not tab then
         layouts[name] = empty
@@ -76,7 +73,7 @@ end
 --DOC
 -- gettext+string.format
 function ioncore.TR(s, ...)
-    return string.format(ioncore.gettext(s), unpack(arg))
+    return string.format(ioncore.gettext(s), ...)
 end
 
 
@@ -85,7 +82,10 @@ end
 -- depends on the types of attached regions and whether \var{reg} 
 -- implements \code{attach_framed} and \code{attach}. If \var{param}
 -- is not set, the default of \verb!{switchto=true}! is used.
+-- The function returns \code{true} if all tagged regions were
+-- succesfully attached, and \code{false} otherwisse.
 function ioncore.tagged_attach(reg, param)
+    local errors=false
     if not param then
         param={switchto=true}
     end
@@ -95,9 +95,9 @@ function ioncore.tagged_attach(reg, param)
                   or reg.attach)
         
         if not (fn and fn(reg, r, param)) then
-            return false
+            errors=true
         end
     end
-    return true
+    return not errors
 end