1 files changed, 62 insertions, 0 deletions
diff --git a/ui/gadgets/tabs/tabs.factor b/ui/gadgets/tabs/tabs.factor
new file mode 100644
index 0000000..d05890c
--- /dev/null
+++ b/ui/gadgets/tabs/tabs.factor
@@ -0,0 +1,62 @@
+! Copyright (C) 2008 William Schlieper
+! See http://factorcode.org/license.txt for BSD license.
+
+USING: accessors kernel fry math math.vectors sequences arrays vectors assocs
+       hashtables models models.range models.product combinators
+       ui ui.gadgets ui.gadgets.buttons ui.gadgets.frames ui.gadgets.packs
+       ui.gadgets.grids ui.gadgets.viewports ui.gadgets.books locals ;
+
+IN: ui.gadgets.tabs
+
+TUPLE: tabbed < frame names toggler content ;
+
+DEFER: (del-page)
+
+:: add-toggle ( n name model toggler -- )
+  <frame>
+    n name toggler parent>> '[ drop _ _ _ (del-page) ] "X" swap <bevel-button>
+      @right grid-add
+    n model name <toggle-button> @center grid-add
+  toggler swap add-gadget drop ;
+
+: redo-toggler ( tabbed -- )
+     [ names>> ] [ model>> ] [ toggler>> ] tri
+     [ clear-gadget ] keep
+     [ [ length ] keep ] 2dip
+     '[ _ _ add-toggle ] 2each ;
+
+: refresh-book ( tabbed -- )
+    model>> [ ] change-model ;
+
+: (del-page) ( n name tabbed -- )
+    { [ [ remove ] change-names redo-toggler ]
+      [ dupd [ names>> length ] [ model>> ] bi
+        [ [ = ] keep swap [ 1- ] when
+          [ < ] keep swap [ 1- ] when ] change-model ]
+      [ content>> nth-gadget unparent ]
+      [ refresh-book ]
+    } cleave ;
+
+: add-page ( page name tabbed -- )
+    [ names>> push ] 2keep
+    [ [ names>> length 1 - swap ]
+      [ model>> ]
+      [ toggler>> ] tri add-toggle ]
+    [ content>> swap add-gadget drop ]
+    [ refresh-book ] tri ;
+
+: del-page ( name tabbed -- )
+    [ names>> index ] 2keep (del-page) ;
+
+: new-tabbed ( assoc class -- tabbed )
+    new-frame
+    0 <model> >>model
+    <pile> 1 >>fill >>toggler
+    dup toggler>> @left grid-add
+    swap
+      [ keys >vector >>names ]
+      [ values over model>> <book> >>content dup content>> @center grid-add ]
+    bi
+    dup redo-toggler ;
+    
+: <tabbed> ( assoc -- tabbed ) tabbed new-tabbed ;