Merge pull request Grouper#179 from linzhongsc/master

Configurable highlighted background and add touch events
tueran · Apr 6, 2015 · f2f4b6c · f2f4b6c
2 parents 9f75d96 + d340f7b
commit f2f4b6c
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Showing 2 changed files with 83 additions and 1 deletion.
diff --git a/Classes/ios/FUISegmentedControl.h b/Classes/ios/FUISegmentedControl.h
@@ -13,14 +13,17 @@
 @property(nonatomic, strong, readwrite) UIColor *selectedColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *disabledColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *deselectedColor UI_APPEARANCE_SELECTOR;
+@property(nonatomic, strong, readwrite) UIColor *highlightedColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *dividerColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, readwrite) CGFloat cornerRadius UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIFont *selectedFont UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIFont *disabledFont UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIFont *deselectedFont UI_APPEARANCE_SELECTOR;
+@property(nonatomic, strong, readwrite) UIFont *highlightedFont UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *selectedFontColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *deselectedFontColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *disabledFontColor UI_APPEARANCE_SELECTOR;
+@property(nonatomic, strong, readwrite) UIColor *highlightedFontColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, strong, readwrite) UIColor *borderColor UI_APPEARANCE_SELECTOR;
 @property(nonatomic, readwrite) CGFloat borderWidth UI_APPEARANCE_SELECTOR;
 

diff --git a/Classes/ios/FUISegmentedControl.m b/Classes/ios/FUISegmentedControl.m
@@ -21,6 +21,8 @@ + (void)initialize {
         [appearance setDeselectedColor:[UIColor darkGrayColor]];
         [appearance setSelectedFontColor:[UIColor whiteColor]];
         [appearance setDeselectedFontColor:[UIColor whiteColor]];
+        [appearance setHighlightedColor:[UIColor grayColor]];
+        [appearance setHighlightedFontColor:[UIColor whiteColor]];
     }
 }
 
@@ -34,6 +36,11 @@ - (void)setSelectedColor:(UIColor *)selectedColor {
     [self configureFlatSegmentedControl];
 }
 
+- (void)setHighlightedColor:(UIColor *)highlightedColor {
+    _highlightedColor = highlightedColor;
+    [self configureFlatSegmentedControl];
+}
+
 - (void)setDisabledColor:(UIColor *)disabledColor {
     _disabledColor = disabledColor;
     [self configureFlatSegmentedControl];
@@ -79,6 +86,16 @@ - (void)setDisabledFontColor:(UIColor *)disabledFontColor {
     [self setupFonts];
 }
 
+- (void)setHighlightedFont:(UIFont *)highlightedFont {
+    _highlightedFont = highlightedFont;
+    [self setupFonts];
+}
+
+- (void)setHighlightedFontColor:(UIColor *)highlightedFontColor {
+    _highlightedFontColor = highlightedFontColor;
+    [self setupFonts];
+}
+
 - (void)setBorderColor:(UIColor *)borderColor {
     _borderColor = borderColor;
     [self configureFlatSegmentedControl];
@@ -183,6 +200,37 @@ - (void)setupFonts {
     }
 
     [self setTitleTextAttributes:disabledAttributesDictionary forState:UIControlStateDisabled];
+
+
+    NSDictionary *highlightedAttributesDictionary;
+    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
+        // iOS7+ methods
+        NSShadow *shadow = [[NSShadow alloc] init];
+        [shadow setShadowOffset:CGSizeZero];
+        [shadow setShadowColor:[UIColor clearColor]];
+        highlightedAttributesDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
+                                        self.highlightedFontColor,
+                                        NSForegroundColorAttributeName,
+                                        shadow,
+                                        NSShadowAttributeName,
+                                        self.highlightedFont,
+                                        NSFontAttributeName,
+                                        nil];
+    } else {
+        // iOS6- methods
+        highlightedAttributesDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
+                                        self.highlightedFontColor,
+                                        UITextAttributeTextColor,
+                                        [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.0],
+                                        UITextAttributeTextShadowColor,
+                                        [NSValue valueWithUIOffset:UIOffsetMake(0, 0)],
+                                        UITextAttributeTextShadowOffset,
+                                        self.highlightedFont,
+                                        UITextAttributeFont,
+                                        nil];
+    }
+
+    [self setTitleTextAttributes:highlightedAttributesDictionary forState:UIControlStateHighlighted];
 }
 
 - (void)configureFlatSegmentedControl {
@@ -198,7 +246,10 @@ - (void)configureFlatSegmentedControl {
                                                           cornerRadius:self.cornerRadius
                                                            shadowColor:[UIColor clearColor]
                                                           shadowInsets:UIEdgeInsetsMake(0, 0, 0, 0)];
-
+    UIImage *highlightedBackgroundImage = [UIImage buttonImageWithColor:self.highlightedColor
+                                                        cornerRadius:self.cornerRadius
+                                                         shadowColor:[UIColor clearColor]
+                                                        shadowInsets:UIEdgeInsetsMake(0, 0, 0, 0)];
 
     UIColor *selectedColor = (self.dividerColor) ? self.dividerColor : self.selectedColor;
     UIColor *deselectedColor = (self.dividerColor) ? self.dividerColor : self.deselectedColor;
@@ -209,6 +260,7 @@ - (void)configureFlatSegmentedControl {
     [self setBackgroundImage:selectedBackgroundImage forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];
     [self setBackgroundImage:deselectedBackgroundImage forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
     [self setBackgroundImage:disabledBackgroundImage forState:UIControlStateDisabled barMetrics:UIBarMetricsDefault];
+    [self setBackgroundImage:highlightedBackgroundImage forState:UIControlStateHighlighted barMetrics:UIBarMetricsDefault];
 
     [self setDividerImage:deselectedDividerImage forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
     [self setDividerImage:selectedDividerImage forLeftSegmentState:UIControlStateSelected rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
@@ -219,4 +271,31 @@ - (void)configureFlatSegmentedControl {
     self.layer.cornerRadius = self.cornerRadius;
 }
 
+- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
+    NSInteger previousSelectedSegmentIndex = self.selectedSegmentIndex;
+    [super touchesBegan:touches withEvent:event];
+    [self sendActionsForControlEvents:UIControlEventTouchDown];
+    if (!(NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1)) {
+        // before iOS7 the segment is selected in touchesBegan
+        if (previousSelectedSegmentIndex == self.selectedSegmentIndex) {
+            // if the selectedSegmentIndex before the selection process is equal to the selectedSegmentIndex
+            // after the selection process the superclass won't send a UIControlEventValueChanged event.
+            // So we have to do this ourselves.
+            [self sendActionsForControlEvents:UIControlEventValueChanged];
+        }
+    }
+}
+
+- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
+    NSInteger previousSelectedSegmentIndex = self.selectedSegmentIndex;
+    [super touchesEnded:touches withEvent:event];
+    [self sendActionsForControlEvents:UIControlEventTouchUpInside];
+    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
+        // on iOS7 the segment is selected in touchesEnded
+        if (previousSelectedSegmentIndex == self.selectedSegmentIndex) {
+            [self sendActionsForControlEvents:UIControlEventValueChanged];
+        }
+    }
+}
+
 @end