- Inizio lavoro su animazioni

Pod/Classes/TabBarItem.h

@@ -11,14 +11,14 @@
 
 @class TabBarItem;
 
-@protocol TabBarItemDelegate <NSObject>
+/*@protocol TabBarItemDelegate <NSObject>
 
 @required
 
 - (void) tabBarItemSelected:(TabBarItem*) selectedItem;
 
 @end
-
+*/
 @interface TabBarItem : UIView
 
 /**
@@ -37,10 +37,8 @@
  *  Represents the sub items that appeare when you select the item in picker.
  */
 @property (nonatomic, strong) NSMutableArray *subItems;
-/**
+
- *  <#Description#>
+//@property (nonatomic, assign) id<TabBarItemDelegate> delegate;
- */
-@property (nonatomic, assign) id<TabBarItemDelegate> delegate;
 
 /**
  *  <#Description#>

Pod/Classes/TabBarPicker.h

@@ -25,12 +25,9 @@ typedef NS_ENUM(NSInteger, TabBarPickerPosition) {
 @property (nonatomic, readonly) CGSize tabBarSize;
 @property (nonatomic, readonly) TabBarPickerPosition position;
 @property (nonatomic, readonly) NSLayoutRelation layoutRelation;
-@property (nonatomic) NSUInteger subItemPerRow;
-@property (nonatomic) CGFloat paddingLeft;
-@property (nonatomic) CGFloat paddingRight;
-@property (nonatomic) CGFloat paddingTop;
-@property (nonatomic) CGFloat paddingBottom;
 @property (nonatomic) CGFloat itemSpacing;
+@property (nonatomic, readonly) NSUInteger subItemPerRow;
+@property (nonatomic, readonly) CGFloat subItemHeight;
 
 /**
  *  Init TabBarPicker with items. When is selected an item the picher show down subitems.
@@ -115,6 +112,31 @@ typedef NS_ENUM(NSInteger, TabBarPickerPosition) {
  */
 - (instancetype) initWithTabBarItems:(NSArray*) items withTabBarSize:(CGSize) size forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation subItemsPerRow:(NSUInteger)  subItemsPerRow;
 
+/**
+ *  Init TabBarPicker with items. When is selected an item the picher show down subitems.
+ *  By default when one of more subItems are selected the selected item become selected.
+ *  The picker size is dinamically based the max subitems of items
+ *
+ *  @param items Represents tab bar items. That array cannot be nil.
+ *
+ *  @param size  Represents the tabbar size
+ *
+ *  @param position Represents the posizion in the Screen:
+ *                      - TabBarPickerPositionLeft : Is positioned in vertical on left of the screen and shows the picker at its right
+ *                      - TabBarPickerPositionRight : Is positioned in vertical on right of the screen and shows the picker at its left
+ *                      - TabBarPickerPositionBottom : Is positioned in horizontal on bottom of the screen and shows the picker at its top
+ *                      - TabBarPickerPositionTop : Is positioned in horizontal on top of the screen and shows the picker at its bottom
+ *
+ *  @param relation Represents NSLayoutRelation for TabBar layout.
+ *
+ *  @param subItemsPerRow Represents the number of subItems per single row of subitem picker
+ *
+ *  @param subItemHeight  Represents the height of single subItem.
+ *
+ *  @return <#return value description#>
+ */
+- (instancetype) initWithTabBarItems:(NSArray*) items withTabBarSize:(CGSize) size forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation subItemsPerRow:(NSUInteger)  subItemsPerRow subItemHeight:(CGFloat) subItemHeight;
+
 /**
  *  <#Description#>
  *

Pod/Classes/TabBarPicker.m

@@ -11,12 +11,14 @@
 #import "TabBarPickerSubItemsView.h"
 
 #define DEFAULT_SUB_ITEMS_PER_ROW 2
+#define DEFAULT_SUB_ITEM_HEIGHT 44
 
-@interface TabBarPicker() <TabBarItemDelegate>
+@interface TabBarPicker() <TabBarPickerSubItemsViewDelegate>
 
 @property (nonatomic) UIDeviceOrientation orientation;
 @property (nonatomic) NSUInteger subItemRows;
 @property (nonatomic, strong) TabBarPickerSubItemsView *subItemSelector;
+@property (nonatomic) BOOL show;
 
 @end
 
@@ -24,34 +26,36 @@
 
 - (instancetype) initWithTabBarItems:(NSArray *) items forPosition:(TabBarPickerPosition) position {
     
-    return [self initWithTabBarItems:items withTabBarSize:CGSizeZero forPosition:position andNSLayoutRelation:NSLayoutRelationEqual subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW];
+    return [self initWithTabBarItems:items withTabBarSize:CGSizeZero forPosition:position andNSLayoutRelation:NSLayoutRelationEqual subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW subItemHeight:DEFAULT_SUB_ITEM_HEIGHT];
     
 }
 
 - (instancetype) initWithTabBarItems:(NSArray *) items forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation {
     
-    return [self initWithTabBarItems:items withTabBarSize:CGSizeZero forPosition:position andNSLayoutRelation:relation subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW];
+    return [self initWithTabBarItems:items withTabBarSize:CGSizeZero forPosition:position andNSLayoutRelation:relation subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW subItemHeight:DEFAULT_SUB_ITEM_HEIGHT];
     
 }
 
 - (instancetype) initWithTabBarItems:(NSArray *) items withTabBarSize:(CGSize) size forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation {
     
-    return [self initWithTabBarItems:items withTabBarSize:size forPosition:position andNSLayoutRelation:relation subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW];
+    return [self initWithTabBarItems:items withTabBarSize:size forPosition:position andNSLayoutRelation:relation subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW subItemHeight:DEFAULT_SUB_ITEM_HEIGHT];
-    
 }
 
 - (instancetype) initWithTabBarItems:(NSArray*) items withTabBarSize:(CGSize) size forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation subItemsPerRow:(NSUInteger) subItemsPerRow {
     
+    return [self initWithTabBarItems:items withTabBarSize:size forPosition:position andNSLayoutRelation:relation subItemsPerRow:DEFAULT_SUB_ITEMS_PER_ROW subItemHeight:DEFAULT_SUB_ITEM_HEIGHT];
+}
+
+
+
+- (instancetype) initWithTabBarItems:(NSArray*) items withTabBarSize:(CGSize) size forPosition:(TabBarPickerPosition) position andNSLayoutRelation:(NSLayoutRelation) relation subItemsPerRow:(NSUInteger)  subItemsPerRow subItemHeight:(CGFloat) subItemHeight {
+    
     self = [self initForAutoLayout];
     if (self) {
         _subItemPerRow = subItemsPerRow;
         _itemSpacing = 10;
-        _paddingLeft = 0;
-        _paddingRight = 0;
-        _paddingTop = 0;
-        _paddingBottom = 0;
         _layoutRelation = relation;
-        
+        _subItemHeight  = subItemHeight;
         _position = position;
         
         [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
@@ -72,8 +76,8 @@
         
         if ([_tabBarItems count] > 0) {
             
-            _subItemSelector = [[TabBarPickerSubItemsView alloc] initWithTabBarItems:_tabBarItems];
+            _subItemSelector = [[TabBarPickerSubItemsView alloc] initWithTabBarItems:_tabBarItems andsubItemsPerRow:_subItemPerRow];
-            
+            [_subItemSelector setDelegate:self];
             [self addSubview:_subItemSelector];
         }
     }
@@ -88,7 +92,7 @@
     if ([self.constraints count] > 0) {
         
         [NSLayoutConstraint deactivateConstraints:self.constraints];
-        
+        [NSLayoutConstraint deactivateConstraints:_subItemSelector.constraints];
         for (TabBarItem *item in _tabBarItems) {
             [item.constraints autoRemoveConstraints];
         }
@@ -138,17 +142,21 @@
             break;
         case TabBarPickerPositionBottom:
         default:{
+            if (!_show) {
                 
-            [self autoPinEdgeToSuperviewMargin:ALEdgeBottom];
+            }
-            [self autoSetDimension:ALDimensionHeight toSize:44];
+            else {
-            [self autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self.superview withOffset:0 relation:_layoutRelation];
+                [self autoPinEdgeToSuperviewMargin:ALEdgeBottom];
-            [self autoAlignAxisToSuperviewMarginAxis:ALAxisVertical];
+                [self autoSetDimension:ALDimensionHeight toSize:44];
+                [self autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self.superview withOffset:0 relation:_layoutRelation];
+                [self autoAlignAxisToSuperviewMarginAxis:ALAxisVertical];
                 
-            [_tabBarItems autoSetViewsDimension:ALDimensionHeight toSize:44.0];
+                [_tabBarItems autoSetViewsDimension:ALDimensionHeight toSize:44.0];
                 
-            [[_tabBarItems firstObject] autoAlignAxisToSuperviewAxis:ALAxisHorizontal];
+                [[_tabBarItems firstObject] autoAlignAxisToSuperviewAxis:ALAxisHorizontal];
                 
-            [_tabBarItems autoDistributeViewsAlongAxis:ALAxisHorizontal alignedTo:ALAttributeHorizontal withFixedSpacing:_itemSpacing insetSpacing:YES matchedSizes:YES];
+                [_tabBarItems autoDistributeViewsAlongAxis:ALAxisHorizontal alignedTo:ALAttributeHorizontal withFixedSpacing:_itemSpacing insetSpacing:YES matchedSizes:YES];
+            }
         }
             break;
     }
@@ -156,6 +164,10 @@
     [self updateConstraintsIfNeeded];
     
     [_subItemSelector layoutSubviews];
+    
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(4 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        [self show];
+    });
 }
 
 - (void) setPosition:(TabBarPickerPosition)position {
@@ -175,7 +187,7 @@
     if (item && [item isKindOfClass:[TabBarItem class]]) {
         
         [_tabBarItems addObject:item];
-        [item setDelegate:self];
+        //[item setDelegate:self];
         [self addSubview:item];
         
         
@@ -186,12 +198,37 @@
     }
 }
 
-- (void) layoutSubviewsPortrait {
+- (void) show {
+    
+    if (!_show) {
+        
+        _show = YES;
+        [self setNeedsUpdateConstraints];
+        [self updateConstraintsIfNeeded];
+        
+        [UIView animateWithDuration:1.0
+                              delay:0.0
+                            options:UIViewAnimationOptionCurveEaseInOut
+                         animations:^{
+                             [self layoutIfNeeded]; // this is what actually causes the views to animate to their new layout
+                         }
+                         completion:^(BOOL finished) {
+                             // Run the animation again in the other direction
+                             
+                         }];
+    }
+}
+
+- (void) hide {
     
 }
 
-- (void) layoutSubviewsLandScape {
+#pragma mark TabBarPickerSubItemsViewDelegate
+
+- (void) tabarPickerSubItemsView:(TabBarPickerSubItemsView*) tabarPickerSubItemsView didSelect:(TabBarItem*) item {
     
 }
 
+#pragma mark -
+
 @end

Pod/Classes/TabBarPickerSubItemsView.h

@@ -29,15 +29,16 @@
 /**
  *  <#Description#>
  */
-@property (nonatomic, assign) id<TabBarItemDelegate> delegate;
+@property (nonatomic, assign) id<TabBarPickerSubItemsViewDelegate> delegate;
 
 /**
  *  <#Description#>
  *
- *  @param items <#items description#>
+ *  @param items       <#items description#>
+ *  @param itemsPerRow <#itemsPerRow description#>
  *
  *  @return <#return value description#>
  */
-- (instancetype) initWithTabBarItems:(NSArray *) items;
+- (instancetype) initWithTabBarItems:(NSArray *) items andsubItemsPerRow:(NSUInteger) itemsPerRow;
 
 @end

Pod/Classes/TabBarPickerSubItemsView.m

@@ -9,13 +9,37 @@
 #import "TabBarPickerSubItemsView.h"
 #import <PureLayout/PureLayout.h>
 
+@interface TabBarPickerSubItemsView()
+
+@property (nonatomic) NSUInteger itemsPerRow;
+@property (nonatomic) NSUInteger rows;
+@property (nonatomic, strong) UICollectionView *subItemCollectionView;
+
+@end
+
 @implementation TabBarPickerSubItemsView
 
-- (instancetype) initWithTabBarItems:(NSArray *) items {
+- (instancetype) initWithTabBarItems:(NSArray *) items andsubItemsPerRow:(NSUInteger) itemsPerRow {
     self = [self initForAutoLayout];
     
     if (self) {
+        _itemsPerRow = itemsPerRow;
         _itemsArray = [[NSMutableArray alloc] initWithArray:items];
+        
+        _rows = 0;
+        
+        for (TabBarItem *item in _itemsArray) {
+            if (_rows < ([[item subItems] count]/_itemsPerRow)) {
+                _rows = ceil(([[item subItems] count]/_itemsPerRow));
+            }
+        }
+        [self setBackgroundColor:[UIColor whiteColor]];
+        /*_subItemCollectionView = [[UICollectionView alloc] initForAutoLayout];
+        [_subItemCollectionView setPagingEnabled:YES];
+        [_subItemCollectionView setDelegate:self];
+        [_subItemCollectionView setDataSource:self];
+        
+        [self addSubview:_subItemCollectionView];*/
     }
     
     [self updateConstraintsIfNeeded];
@@ -36,11 +60,13 @@
             }
         }
     }
-    
-    [self autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self.superview withOffset:0 relation:NSLayoutRelationEqual];
-    [self autoSetDimension:ALDimensionHeight toSize:44];
-    
     [self autoConstrainAttribute:ALEdgeTop toAttribute:ALMarginTop ofView:self.superview withOffset:self.superview.frame.size.height];
+    [self autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self.superview withOffset:0 relation:NSLayoutRelationEqual];
+    [self autoSetDimension:ALDimensionHeight toSize:_rows*44];
+    
+    [_subItemCollectionView autoMatchDimension:ALDimensionWidth toDimension:ALDimensionWidth ofView:self];
+    [_subItemCollectionView autoMatchDimension:ALDimensionHeight toDimension:ALDimensionHeight ofView:self];
+    [_subItemCollectionView setBackgroundColor:[UIColor redColor]];
 }
 
 @end

Pod/Classes/TabBarSubItem.h

@@ -11,6 +11,7 @@
 @interface TabBarSubItem : UIView
 
 @property (nonatomic, strong) NSString *name;
+@property (nonatomic, strong) UIButton *subItemButton;
 
 + (instancetype) tabBarSubItemWithName:(NSString*)name;
 

Pod/Classes/TabBarSubItem.m

@@ -26,6 +26,9 @@
          [[NSNotificationCenter defaultCenter] addObserver: self selector:@selector(deviceOrientationDidChange:) name: UIDeviceOrientationDidChangeNotification object: nil];
         
         _name = name;
+        
+        _subItemButton = [[UIButton alloc] initForAutoLayout];
+        [_subItemButton setTitle:_name forState:UIControlStateNormal];
     }
     return self;
 }
@@ -34,6 +37,11 @@
     return [[self alloc] initWithName:name];
 }
 
+- (void) setName:(NSString *)name {
+    _name = name;
+    [_subItemButton setTitle:name forState:UIControlStateNormal];
+}
+
 
 - (void)deviceOrientationDidChange:(NSNotification *)notification {
     //Obtain current device orientation