implements new option: yOffset. It can be used to set vertical offset…

… to tabs and contents from topLayout guide or upper bound.
DZamataev · Mar 12, 2014 · 4564ce1 · 4564ce1 · shivanraptor · Oct 15, 2015
1 parent 1fe2346
commit 4564ce1
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Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/ICViewPager/Controller/HostViewController.m b/ICViewPager/Controller/HostViewController.m
@@ -125,6 +125,8 @@ - (CGFloat)viewPager:(ViewPagerController *)viewPager valueForOption:(ViewPagerO
             return 1.0;
         case ViewPagerOptionFixLatterTabsPositions:
             return 1.0;
+        case ViewPagerOptionYOffset:
+            return 0.0f;
         default:
             return value;
     }

diff --git a/ICViewPager/ICViewPager/ViewPagerController.h b/ICViewPager/ICViewPager/ViewPagerController.h
@@ -28,7 +28,8 @@ typedef NS_ENUM(NSUInteger, ViewPagerOption) {
     ViewPagerOptionStartFromSecondTab,
     ViewPagerOptionCenterCurrentTab,
     ViewPagerOptionFixFormerTabsPositions,
-    ViewPagerOptionFixLatterTabsPositions
+    ViewPagerOptionFixLatterTabsPositions,
+    ViewPagerOptionYOffset
 };
 
 /**

diff --git a/ICViewPager/ICViewPager/ViewPagerController.m b/ICViewPager/ICViewPager/ViewPagerController.m
@@ -21,6 +21,7 @@
 #define kCenterCurrentTab 0.0
 #define kFixFormerTabsPositions 0.0
 #define kFixLatterTabsPositions 0.0
+#define kYOffset 0.0
 
 #define kIndicatorColor [UIColor colorWithRed:178.0/255.0 green:203.0/255.0 blue:57.0/255.0 alpha:0.75]
 #define kTabsViewBackgroundColor [UIColor colorWithRed:234.0/255.0 green:234.0/255.0 blue:234.0/255.0 alpha:0.75]
@@ -210,16 +211,21 @@ - (void)layoutSubviews {
         }
     }
 
+    CGFloat yOffset = kYOffset;
+    if ([self.delegate respondsToSelector:@selector(viewPager:valueForOption:withDefault:)]) {
+        yOffset = [self.delegate viewPager:self valueForOption:ViewPagerOptionYOffset withDefault:yOffset];
+    }
+
     CGRect frame = self.tabsView.frame;
     frame.origin.x = 0.0;
-    frame.origin.y = [self.tabLocation boolValue] ? topLayoutGuide : CGRectGetHeight(self.view.frame) - [self.tabHeight floatValue];
+    frame.origin.y = (yOffset) + ([self.tabLocation boolValue] ? topLayoutGuide : CGRectGetHeight(self.view.frame) - [self.tabHeight floatValue]);
     frame.size.width = CGRectGetWidth(self.view.frame);
     frame.size.height = [self.tabHeight floatValue];
     self.tabsView.frame = frame;
 
     frame = self.contentView.frame;
     frame.origin.x = 0.0;
-    frame.origin.y = [self.tabLocation boolValue] ? topLayoutGuide + CGRectGetHeight(self.tabsView.frame) : topLayoutGuide;
+    frame.origin.y = (yOffset) + ([self.tabLocation boolValue] ? topLayoutGuide + CGRectGetHeight(self.tabsView.frame) : topLayoutGuide);
     frame.size.width = CGRectGetWidth(self.view.frame);
     frame.size.height = CGRectGetHeight(self.view.frame) - (topLayoutGuide + CGRectGetHeight(self.tabsView.frame)) - CGRectGetHeight(self.tabBarController.tabBar.frame);
     self.contentView.frame = frame;