Add tagAlignment property

andreamazz · Jul 23, 2015 · 753347d · 753347d
1 parent 89812b4
commit 753347d
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diff --git a/AMTagListView/AMTagListView.h b/AMTagListView/AMTagListView.h
@@ -12,6 +12,11 @@
 @class AMTagView;
 @class AMTagListView;
 
+typedef NS_ENUM(NSInteger, AMTagAlignment) {
+    AMTagAlignmentLeft,
+    AMTagAlignmentRight
+};
+
 @protocol AMTagListDelegate <NSObject>
 
 - (BOOL)tagList:(AMTagListView *)tagListView shouldAddTagWithText:(NSString *)text resultingContentSize:(CGSize)size;
@@ -136,4 +141,10 @@ typedef void (^AMTagListViewTapHandler)(AMTagView*);
  */
 @property (nonatomic, assign) id<AMTagListDelegate> tagListDelegate;
 
+/** Tag list alignment
+ *
+ * The tag list alignment. The tags can be aligned to the left or the right.
+ */
+@property (nonatomic, assign) AMTagAlignment tagAlignment;
+
 @end
diff --git a/AMTagListView/AMTagListView.m b/AMTagListView/AMTagListView.m
@@ -40,6 +40,7 @@ - (void)setup {
     // Default margins
     _marginX = 4;
     _marginY = 4;
+    _tagAlignment = AMTagAlignmentLeft;
     self.clipsToBounds = YES;
     _tags = [@[] mutableCopy];
     NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
@@ -175,6 +176,12 @@ - (void)rearrangeTags {
         [self addSubview:obj];
     };
 
+    if (self.tagAlignment == AMTagAlignmentRight) {
+        for (AMTagView *obj in self.tags) {
+            obj.frame = CGRectMake(self.frame.size.width - obj.frame.origin.x - obj.frame.size.width, obj.frame.origin.y, obj.frame.size.width, obj.frame.size.height);
+        }
+    }
+
     [self setContentSize:CGSizeMake(self.frame.size.width, maxY + size.height + self.marginY)];
 }
 

diff --git a/...tViewSpec/visuals_looks_right_with_an_array_of_tags_aligned_to_the_right@2x.png b/...tViewSpec/visuals_looks_right_with_an_array_of_tags_aligned_to_the_right@2x.png
diff --git a/TagListViewDemo/TagListViewTests/TagListViewTests.m b/TagListViewDemo/TagListViewTests/TagListViewTests.m
@@ -154,6 +154,12 @@ - (BOOL)tagList:(AMTagListView *)tagListView shouldAddTagWithText:(NSString *)te
         expect(subject).to.haveValidSnapshot();
     });
 
+    it(@"looks right with an array of tags aligned to the right", ^{
+        subject = [[AMTagListView alloc] initWithFrame:CGRectMake(0, 0, 400, 400)];
+        subject.tagAlignment = AMTagAlignmentRight;
+        [subject addTags:@[@"Hello", @"World", @"OK?"]];
+        expect(subject).to.haveValidSnapshot();
+    });
 });
 
 SpecEnd