CPPopUpButton bindings support (set for all and reverse for selection related bindings) using a CPBinder subclass instead of dedicated selectors.

AppKit/CPKeyValueBinding.j

@@ -551,18 +551,32 @@ CPNotApplicableMarker   = @"CPNotApplicableMarker";
 CPNullMarker            = @"CPNullMarker";
 
 // Binding name constants
-CPAlignmentBinding      = @"alignment";
-CPEditableBinding       = @"editable";
-CPEnabledBinding        = @"enabled";
-CPFontBinding           = @"font";
-CPHiddenBinding         = @"hidden";
-CPSelectedIndexBinding  = @"selectedIndex";
-CPTextColorBinding      = @"textColor";
-CPToolTipBinding        = @"toolTip";
-CPValueBinding          = @"value";
-CPValueURLBinding       = @"valueURL";
-CPValuePathBinding      = @"valuePath";
-CPDataBinding           = @"data";
+CPAlignmentBinding                        = @"alignment";
+CPContentArrayBinding                     = @"contentArray";
+CPContentBinding                          = @"content";
+CPContentObjectBinding                    = @"contentObject";
+CPContentObjectsBinding                   = @"contentObjects";
+CPContentValuesBinding                    = @"contentValues";
+CPEnabledBinding                          = @"enabled";
+CPFontBinding                             = @"font";
+CPFontNameBinding                         = @"fontName";
+CPFontBoldBinding                         = @"fontBold";
+CPHiddenBinding                           = @"hidden";
+CPFilterPredicateBinding                  = @"filterPredicate";
+CPPredicateBinding                        = @"predicate";
+CPSelectedIndexBinding                    = @"selectedIndex";
+CPSelectedLabelBinding                    = @"selectedLabel";
+CPSelectedObjectBinding                   = @"selectedObject";
+CPSelectedObjectsBinding                  = @"selectedObjects";
+CPSelectedTagBinding                      = @"selectedTag";
+CPSelectedValueBinding                    = @"selectedValue";
+CPSelectedValuesBinding                   = @"selectedValues";
+CPSelectionIndexesBinding                 = @"selectionIndexes";
+CPTitleBinding                            = @"title";
+CPValueBinding                            = @"value";
+CPValueURLBinding                         = @"valueURL";
+CPValuePathBinding                        = @"valuePath";
+CPDataBinding                             = @"data";
 
 //Binding options constants
 CPAllowsEditingMultipleValuesSelectionBindingOption = @"CPAllowsEditingMultipleValuesSelection";

AppKit/CPPopUpButton.j

@@ -22,10 +22,10 @@
 
 @import "CPButton.j"
 @import "CPGeometry.j"
+@import "CPKeyValueBinding.j"
 @import "CPMenu.j"
 @import "CPMenuItem.j"
 
-
 var VISIBLE_MARGIN = 7.0;
 
 CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
@@ -246,22 +246,6 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
     return _selectedIndex;
 }
 
-/*!
-    @ignore
-*/
-- (int)_selectedTag
-{
-    return [[self selectedItem] tag];
-}
-
-/*!
-    @ignore
-*/
-- (void)_setSelectedTag:(int)aTag
-{
-    [self selectItemWithTag:aTag];
-}
-
 // Setting the Current Selection
 /*!
     Selects the specified menu item.
@@ -778,16 +762,146 @@ CPPopUpButtonStatePullsDown = CPThemeState("pulls-down");
 
 - (void)_reverseSetBinding
 {
-    var binderClass = [[self class] _binderClassForBinding:CPSelectedIndexBinding],
-        theBinding = [binderClass getBinding:CPSelectedIndexBinding forObject:self];
-
-    [theBinding reverseSetValueFor:@"objectValue"];
+    [_CPPopUpButtonSelectionBinder reverseSetValueForObject:self];
 
     [super _reverseSetBinding];
 }
 
 @end
 
+@implementation CPPopUpButton (BindingSupport)
+
++ (Class)_binderClassForBinding:(CPString)aBinding
+{
+    if (aBinding == CPSelectedIndexBinding ||
+        aBinding == CPSelectedObjectBinding ||
+        aBinding == CPSelectedTagBinding ||
+        aBinding == CPSelectedValueBinding)
+    return [_CPPopUpButtonSelectionBinder class];
+
+    return [super _binderClassForBinding:aBinding];
+}
+
+- (CPArray)_contentValues
+{
+    return [self valueForKeyPath:@"itemArray.title"];
+}
+
+- (void)_setContentValues:(CPArray)aValue
+{
+    var count = [aValue count];
+
+    if (count != [self numberOfItems])
+    {
+        [self removeAllItems];
+        for (var i = 0; i < count; i++)
+            [self addItemWithTitle:[aValue objectAtIndex:i]];
+    }
+    else
+    {
+        for (var i = 0; i < count; i++)
+            [[self itemAtIndex:i] setTitle:[aValue objectAtIndex:i]];
+    }
+    [self synchronizeTitleAndSelectedItem];
+}
+
+- (CPArray)_content
+{
+    return [self valueForKeyPath:@"itemArray.representedObject"];
+}
+
+- (void)_setContent:(CPArray)aValue
+{
+    var count = [aValue count];
+
+    if (count != [self numberOfItems])
+    {
+        [self removeAllItems];
+        for (var i = 0; i < count; i++)
+        {
+            var item = [[CPMenuItem alloc] initWithTitle:@"" action:NULL keyEquivalent:nil];
+            [item setRepresentedObject:[aValue objectAtIndex:i]];
+            [self addItem:item];
+        }
+    }
+    else
+    {
+        for (var i = 0; i < count; i++)
+            [[self itemAtIndex:i] setRepresentedObject:[aValue objectAtIndex:i]];
+    }
+
+    if (![self infoForBinding:CPContentValuesBinding])
+    {
+        for (var i = 0; i < count; i++)
+            [[self itemAtIndex:i] setTitle:[[aValue objectAtIndex:i] description]];
+    }
+}
+
+@end
+
+var binderForObject = {},
+    selectionBindings = [CPSelectedIndexBinding, CPSelectedObjectBinding, CPSelectedTagBinding, CPSelectedValueBinding];
+
+@implementation _CPPopUpButtonSelectionBinder : CPBinder
+{
+    CPString _selectionBinding @accessors(property=binding);
+}
+
++ (void)reverseSetValueForObject:(id)aSource
+{
+    var uid = [aSource UID],
+        binder = binderForObject[uid];
+
+    if (binder == nil)
+    {
+        var count = selectionBindings.length;
+        while (count--)
+        {
+            var binding = selectionBindings[count];
+            binder = [self getBinding:binding forObject:aSource];
+            if (binder != nil)
+            {
+                binderForObject[uid] = binder;
+                [binder setBinding:binding];
+                break;
+            }
+        }
+    }
+
+    [binder reverseSetValueFor:[binder binding]];
+}
+
+- (void)setValue:(id)aValue forBinding:(CPString)aBinding
+{
+    if (aBinding == CPSelectedIndexBinding)
+        [_source selectItemAtIndex:aValue];
+    else if (aBinding == CPSelectedObjectBinding)
+        [_source selectItemAtIndex:[_source indexOfItemWithRepresentedObject:aValue]];
+    else if (aBinding == CPSelectedTagBinding)
+        [_source selectItemWithTag:aValue];
+    else if (aBinding == CPSelectedValueBinding)
+        [_source selectItemWithTitle:aValue];
+}
+
+- (void)setPlaceholderValue:(id)aValue withMarker:(CPString)aMarker forBinding:(CPString)aBinding
+{
+    [self setValue:aValue forBinding:aBinding];
+}
+
+- (id)valueForBinding:(CPString)aBinding
+{
+    if (aBinding == CPSelectedIndexBinding)
+        return [_source indexOfSelectedItem];
+    else if (aBinding == CPSelectedObjectBinding)
+        return [[_source selectedItem] representedObject];
+    else if (aBinding == CPSelectedTagBinding)
+        return  [[_source selectedItem] tag];
+    else if (aBinding == CPSelectedValueBinding)
+        return [_source titleOfSelectedItem];
+}
+
+@end
+
 var DEPRECATED_CPPopUpButtonMenuKey             = @"CPPopUpButtonMenuKey",
     DEPRECATED_CPPopUpButtonSelectedIndexKey    = @"CPPopUpButtonSelectedIndexKey";
 

Tests/Manual/CPPopUpButtonBindings/AppController.j

@@ -0,0 +1,41 @@
+/*
+ * AppController.j
+ * CPPopUpButtonBindings
+ *
+ * Created by You on December 2, 2010.
+ * Copyright 2010, Your Company All rights reserved.
+ */
+
+@import <Foundation/CPObject.j>
+
+@implementation AppController : CPObject
+{
+    @outlet CPWindow mainWindow;
+    @outlet CPPopUpButton tagPopUp;
+
+    CPArray people @accessors;
+}
+
+- (void)awakeFromCib
+{
+    var array = [];
+    [array addObject:[CPDictionary dictionaryWithObjectsAndKeys:@"John",@"name",@"Butcher",@"job",@"john@meat.com",@"email", 2, @"tag"]];
+    [array addObject:[CPDictionary dictionaryWithObjectsAndKeys:@"Alberto",@"name",@"Seller",@"job",@"alberto@gmail.com",@"email", 0, @"tag"]];
+    [array addObject:[CPDictionary dictionaryWithObjectsAndKeys:@"Barack",@"name",@"President",@"job",@"barack@whitehouse.gov",@"email", 1, @"tag"]];
+
+    [self setPeople:array];
+    
+// Setup tags for the second popup
+    var items = [tagPopUp itemArray];
+    [items enumerateObjectsUsingBlock:function(item, idx)
+    {
+        [item setTag:idx];
+        [item setTitle:([item title] + "    Tag:" + idx)];
+    }];
+    
+    [mainWindow setFullBridge:YES];
+
+}
+
+@end
+