Example/Podfile

@@ -4,6 +4,7 @@ use_frameworks!
 inhibit_all_warnings!
 pod 'PureLayout'
 pod 'pop', '~> 1.0'
+pod 'UIView-Overlay'
 pod 'UIActionSheet-Blocks'
 pod 'UIAlertViewBlockExtension'
 

Example/TabBarPicker/TabBarPickerViewController.m

@@ -32,7 +32,7 @@
         TabBarSubItem *subItem6 = [TabBarSubItem tabBarSubItemWithName:@"Peppe5" andValue:@"Peppe5"];
         TabBarSubItem *subItem7 = [TabBarSubItem tabBarSubItemWithName:@"Peppe6" andValue:@"Peppe6"];
         
-        TabBarPickerSubItemsView *locationSubview = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButtons subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:YES];
+        TabBarPickerSubItemsView *locationSubview = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeDistance subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:YES];
         
         TabBarItem *location = [[TabBarItem alloc] initWithSubItemView:locationSubview];
         [location setItemName:@"Location"];
@@ -40,7 +40,7 @@
         [location setSelectedImage:[UIImage imageNamed:@"location_selected"]];
         [location setHighlightedImage:[UIImage imageNamed:@"location_highlighted"]];
         
-        TabBarPickerSubItemsView *locationSubview1 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButtons subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
+        TabBarPickerSubItemsView *locationSubview1 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeDateAndTime subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
         
         TabBarItem *location1 = [[TabBarItem alloc] initWithSubItemView:locationSubview1];
         [location1 setItemName:@"Location2"];
@@ -48,7 +48,7 @@
         [location1 setSelectedImage:[UIImage imageNamed:@"location_selected"]];
         [location1 setHighlightedImage:[UIImage imageNamed:@"location_highlighted"]];
         
-        TabBarPickerSubItemsView *locationSubview2 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButtons subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
+        TabBarPickerSubItemsView *locationSubview2 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeCheckBox subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
         
         TabBarItem *location2 = [[TabBarItem alloc] initWithSubItemView:locationSubview2];
         [location2 setItemName:@"Location3"];
@@ -56,7 +56,7 @@
         [location2 setSelectedImage:[UIImage imageNamed:@"location_selected"]];
         [location2 setHighlightedImage:[UIImage imageNamed:@"location_highlighted"]];
         
-        TabBarPickerSubItemsView *locationSubview3 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButtons subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
+        TabBarPickerSubItemsView *locationSubview3 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypePrice subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
         
         TabBarItem *location3 = [[TabBarItem alloc] initWithSubItemView:locationSubview3];
         [location3 setItemName:@"Location4"];
@@ -64,7 +64,7 @@
         [location3 setSelectedImage:[UIImage imageNamed:@"location_selected"]];
         [location3 setHighlightedImage:[UIImage imageNamed:@"location_highlighted"]];
         
-        TabBarPickerSubItemsView *locationSubview4 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButtons subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
+        TabBarPickerSubItemsView *locationSubview4 = [[TabBarPickerSubItemsView alloc] initWithType:TabBarPickerSubItemsViewTypeButton subItems:@[subItem1,subItem2,subItem3,subItem4,subItem5,subItem6,subItem7] needsLocalization:NO];
         
         TabBarItem *location4 = [[TabBarItem alloc] initWithSubItemView:locationSubview4];
         [location4 setItemName:@"Location5"];

Pod/Classes/TabBarPicker.m

@@ -379,6 +379,12 @@
     
 }
 
+#pragma mark -
+
+#pragma mark TabBarPickerSubItemsViewDataSource
+
+
+
 #pragma mark -
 
 #pragma mark TabBarItemDelegate

Pod/Classes/TabBarPickerSubItemsView.h

@@ -14,10 +14,11 @@
 
 typedef NS_ENUM(NSInteger, TabBarPickerSubItemsViewType) {
     // Informational
-    TabBarPickerSubItemsViewTypeData,
+    TabBarPickerSubItemsViewTypeDistance,
-    TabBarPickerSubItemsViewTypeString,
+    TabBarPickerSubItemsViewTypeDateAndTime,
-    TabBarPickerSubItemsViewTypeButtons,
+    TabBarPickerSubItemsViewTypePrice,
-    TabBarPickerSubItemsViewTypeCheckBox
+    TabBarPickerSubItemsViewTypeCheckBox,
+    TabBarPickerSubItemsViewTypeButton,
 };
 
 @protocol TabBarPickerSubItemsViewDelegate <NSObject>

Pod/Classes/TabBarPickerSubItemsView.m

@@ -13,7 +13,7 @@
 #import "SharedLocationManager.h"
 #import "UIAlertView+BlockExtension.h"
 
-@interface TabBarPickerSubItemsView()
+@interface TabBarPickerSubItemsView() <UIPickerViewDataSource,UIPickerViewDelegate>
 
 @property (nonatomic, assign) BOOL didSetupConstraints;
 @property (nonatomic) TabBarPickerSubItemsViewType type;
@@ -25,6 +25,10 @@
 @property (nonatomic, strong) UIView *contentView;
 @property (nonatomic, strong) NSString *name;
 
+@property (nonatomic, strong) UIView *HUD;
+@property (nonatomic, strong) UIPickerView *pickerView;
+
+
 @end
 
 @implementation TabBarPickerSubItemsView
@@ -39,6 +43,15 @@
     
     if (self) {
         [self setUserInteractionEnabled:YES];
+        
+        _subItems = [[NSMutableArray alloc] init];
+        
+        for (NSObject *subItem in subItems) {
+            if ([subItem isKindOfClass:[TabBarSubItem class]]) {
+                [_subItems addObject:subItem];
+            }
+        }
+        
         _type               = type;
         _needsLocalization  = needsLocalization;
         _switchBarView      = [[UIView alloc] initForAutoLayout];
@@ -62,6 +75,40 @@
         
         [self addSubview:_contentView];
         
+        _HUD = [[UIView alloc] initForAutoLayout];
+        [_HUD setAlpha:0];
+        [_HUD setBackgroundColor:[[UIColor whiteColor] colorWithAlphaComponent:0.25]];
+        
+        [_contentView addSubview:_HUD];
+        
+        
+        switch (_type) {
+            case TabBarPickerSubItemsViewTypeDateAndTime: {
+                
+                break;
+            }
+            case TabBarPickerSubItemsViewTypeCheckBox: {
+                
+                break;
+            }
+            case TabBarPickerSubItemsViewTypeDistance: {
+                _pickerView = [[UIPickerView alloc] initForAutoLayout];
+                [_pickerView setDelegate:self];
+                [_pickerView setDataSource:self];
+                
+                [_contentView addSubview:_pickerView];
+                
+                break;
+            }
+            case TabBarPickerSubItemsViewTypePrice: {
+                
+                break;
+            }
+            default: {
+                break;
+            }
+        }
+        
         if (_needsLocalization) {
             
             _localizationView   = [[UIView alloc] initForAutoLayout];
@@ -96,11 +143,21 @@
 
 - (void) layoutSubviews {
     
+    //NSAssert(_dataSource, @"TabBarPickerSubItemsView needs datasource");
+    
+    if (_needsLocalization) {
+        
         [UIView animateWithDuration:0.5 animations:^{
-        [_localizationView setAlpha:[[NSNumber numberWithBool:[[SharedLocationManager sharedManager] localizationIsAuthorized]] floatValue]];
+            [_localizationView setAlpha:[[NSNumber numberWithBool:![[SharedLocationManager sharedManager] localizationIsAuthorized]] floatValue]];
-        [_itemSwich setUserInteractionEnabled:NO];
+            if ([[SharedLocationManager sharedManager] localizationIsAuthorized]) {
-        [_itemSwich setOn:NO];
+                [_itemSwich setUserInteractionEnabled:[[SharedLocationManager sharedManager] localizationIsAuthorized]];
+            }
+            else {
+                [_itemSwich setUserInteractionEnabled:[[SharedLocationManager sharedManager] localizationIsAuthorized]];
+                [_itemSwich setOn:[[SharedLocationManager sharedManager] localizationIsAuthorized]];
+            }
         }];
+    }
     
     if (!_didSetupConstraints) {
         
@@ -123,6 +180,11 @@
         [_contentView autoPinEdge:ALEdgeBottom toEdge:ALEdgeBottom ofView:self];
         [_contentView autoAlignAxisToSuperviewAxis:ALAxisVertical];
         
+        [_HUD autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:_contentView];
+        [_HUD autoMatchDimension:ALDimensionHeight toDimension:ALDimensionHeight ofView:_contentView];
+        [_HUD autoAlignAxisToSuperviewAxis:ALAxisVertical];
+        [_HUD autoPinEdge:ALEdgeTop toEdge:ALEdgeTop ofView:_contentView];
+        
         if (_needsLocalization) {
             
             [_localizationView autoPinEdge:ALEdgeTop toEdge:ALEdgeTop ofView:_contentView];
@@ -136,6 +198,7 @@
             [_localizationButton autoSetDimension:ALDimensionHeight toSize:44 relation:NSLayoutRelationLessThanOrEqual];
             [_localizationButton autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self withMultiplier:0.8];
         }
+        
         _didSetupConstraints = YES;
     }
     
@@ -172,12 +235,13 @@
 
 - (void)changeSwitch:(UISwitch*)sender{
     
+    [_HUD setAlpha:[[NSNumber numberWithBool:![sender isOn]] floatValue]];
     if([sender isOn]){
         NSLog(@"Switch is ON");
+        
     } else{
         NSLog(@"Switch is OFF");
     }
-    
 }
 
 - (void) touchesEnded: (NSSet *) touches withEvent: (UIEvent *) event
@@ -194,4 +258,49 @@
     [_switchBarLabel setText:itemName];
 }
 
+#pragma mark UIPickerViewDataSource
+
+- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView {
+    if ([_subItems count] > 0) {
+        [(TabBarSubItem*)[_subItems firstObject] numberOfValues];
+    }
+    return 0;
+}
+
+// returns the # of rows in each component..
+- (NSInteger)pickerView:(UIPickerView *)pickerView numberOfRowsInComponent:(NSInteger)component {
+    
+}
+
+#pragma mark -
+
+#pragma mark UIPickerViewDelegate
+
+/*
+- (CGFloat)pickerView:(UIPickerView *)pickerView widthForComponent:(NSInteger)component {
+    
+}
+
+- (CGFloat)pickerView:(UIPickerView *)pickerView rowHeightForComponent:(NSInteger)component {
+    
+}
+
+- (NSString *)pickerView:(UIPickerView *)pickerView titleForRow:(NSInteger)row forComponent:(NSInteger)component {
+    
+}
+
+- (NSAttributedString *)pickerView:(UIPickerView *)pickerView attributedTitleForRow:(NSInteger)row forComponent:(NSInteger)component {
+    
+}
+- (UIView *)pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)row forComponent:(NSInteger)component reusingView:(UIView *)view {
+    
+}
+
+- (void)pickerView:(UIPickerView *)pickerView didSelectRow:(NSInteger)row inComponent:(NSInteger)component {
+    
+}
+*/
+
+#pragma mark -
+
 @end

Pod/Classes/TabBarSubItem.h

@@ -12,8 +12,12 @@
 
 @property (nonatomic, strong) NSString *name;
 @property (nonatomic, strong) UIButton *subItemButton;
-@property (nonatomic, strong) id value;
+@property (nonatomic, strong) id firstValue;
+@property (nonatomic, strong) id secondValue;
 
-+ (instancetype) tabBarSubItemWithName:(NSString*)name andValue:(id) value;;
++ (instancetype) tabBarSubItemWithName:(NSString*)name andValue:(id) value;
 
++ (instancetype) tabBarSubItemWithName:(NSString*)name firstValue:(id) firstValue secondValue:(id) secondValue;
+
+- (NSUInteger) numberOfValues;
 @end

Pod/Classes/TabBarSubItem.m

@@ -19,23 +19,26 @@
 @implementation TabBarSubItem
 
 
-- (instancetype) initWithName:(NSString *) name andValue:(id)value {
+- (instancetype) initWithName:(NSString *) name firstValue:(id)firstValue secondValue:(id) secondValue {
     
     self = [self initForAutoLayout];
     if (self) {
         
-         //[[NSNotificationCenter defaultCenter] addObserver: self selector:@selector(deviceOrientationDidChange:) name: UIDeviceOrientationDidChangeNotification object: nil];
-        
         _name = name;
         _subItemButton = [[UIButton alloc] initForAutoLayout];
         [_subItemButton setTitle:_name forState:UIControlStateNormal];
-        _value = value;
+        _firstValue = ( firstValue ? firstValue : @"");
+        _secondValue = ( secondValue ? secondValue : @"");
     }
     return self;
 }
 
 + (instancetype) tabBarSubItemWithName:(NSString*)name andValue:(id)value {
-    return [[self alloc] initWithName:name andValue:value];
+    return [[self alloc] initWithName:name firstValue:value secondValue:nil];
+}
+
++ (instancetype) initWithName:(NSString *) name firstValue:(id)firstValue secondValue:(id) secondValue {
+    return [[self alloc] initWithName:name firstValue:firstValue secondValue:secondValue];
 }
 
 - (void) setName:(NSString *)name {
@@ -43,12 +46,18 @@
     [_subItemButton setTitle:_name forState:UIControlStateNormal];
 }
 
+- (NSUInteger) numberOfValues {
+    NSUInteger response = 0;
     
-- (void)deviceOrientationDidChange:(NSNotification *)notification {
+    if (_firstValue) {
-    //Obtain current device orientation
+        response++;
-    _orientation = [[UIDevice currentDevice] orientation];
+    }
     
-    [self layoutSubviews];
+    if (_secondValue) {
+        response++;
+    }
+    
+    return response;
 }
 
 - (void) layoutSubviews {