Added a new "selectedPage" property. Allows for a custom defined page…

… index (both initial and at run-time).
zhangao0086 · Oct 26, 2016 · 0fe37b0 · 0fe37b0
1 parent e64fdb9
commit 0fe37b0
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/DKCarouselView/DKCarouselView.h b/DKCarouselView/DKCarouselView.h
@@ -54,6 +54,9 @@ typedef void(^DKCarouselViewDidChangeBlock)(DKCarouselView *view, NSInteger inde
 // set infinite slide or not, defaults to NO.
 @property (nonatomic, assign, getter = isFinite) BOOL finite;
 
+// set selected page index
+@property (nonatomic, assign) NSUInteger selectedPage;
+
 - (void)setItems:(NSArray *)items;
 
 // auto paging.

diff --git a/DKCarouselView/DKCarouselView.m b/DKCarouselView/DKCarouselView.m
@@ -206,6 +206,17 @@ - (CGSize)indicatorSize {
     return [self.pageControl sizeForNumberOfPages:self.pageControl.numberOfPages];
 }
 
+- (void)setSelectedPage: (NSUInteger)selectedPage {
+    self.pageControl.currentPage = self.currentPage = selectedPage;
+    if (self.carouselItemViews.count > selectedPage){
+        if (self.finite) {
+            [self.scrollView setContentOffset:CGPointMake(kScrollViewFrameWidth * selectedPage, 0) animated:YES];
+        }else{
+            [self setupViews];
+        }
+    }
+}
+
 -(void)setItems:(NSArray *)items {
     if (items == nil) return;
 
@@ -219,7 +230,7 @@ -(void)setItems:(NSArray *)items {
     _items = [items copy];
 
     self.pageControl.numberOfPages = _items.count;
-    self.pageControl.currentPage = self.currentPage = 0;
+    self.pageControl.currentPage = self.currentPage;
 
     _scrollView.scrollEnabled = _items.count > 1;