Add support GridLayoutManager in itemSpace

Author: anton-knyazev

omegarecyclerviewlibs/src/main/java/com/omega_r/libs/omegarecyclerview/item_decoration/SpaceItemDecoration.java

@@ -23,6 +23,11 @@ void getItemOffset(@NonNull Rect outRect, @NonNull RecyclerView parent,
         int countBeginEndPositions = getCountBeginEndPositions(parent);
         if (isShowBeginDivider() || countBeginEndPositions <= position) helper.setStart(outRect, space);
         if (isShowEndDivider() && position == itemCount - countBeginEndPositions) helper.setEnd(outRect, space);
+
+        if (position % countBeginEndPositions != 0 || isShowBeginDivider()) helper.setOtherStart(outRect, space);
+        if (position / (countBeginEndPositions - 1) > 0 && isShowEndDivider()) helper.setOtherStart(outRect, space);
+
+
     }
 
     private int getCountBeginEndPositions(RecyclerView recyclerView) {

omegarecyclerviewlibs/src/main/java/com/omega_r/libs/omegarecyclerview/item_decoration/decoration_helpers/DividerDecorationHelper.java

@@ -46,6 +46,14 @@ public static DividerDecorationHelper getHelper(int orientation, RecyclerView pa
 
     public abstract int getEnd(Rect rect);
 
+    public abstract void setOtherStart(Rect rect, int start);
+
+    public abstract void setOtherEnd(Rect rect, int end);
+
+    public abstract int getOtherStart(Rect rect);
+
+    public abstract int getOtherEnd(Rect rect);
+
     public int getOffset(int offset) {
         return offset;
     }
@@ -78,6 +86,26 @@ public int getEnd(Rect rect) {
         return rect.bottom;
     }
 
+    @Override
+    public void setOtherStart(Rect rect, int start) {
+        rect.left = start;
+    }
+
+    @Override
+    public void setOtherEnd(Rect rect, int end) {
+        rect.right = end;
+    }
+
+    @Override
+    public int getOtherStart(Rect rect) {
+        return rect.left;
+    }
+
+    @Override
+    public int getOtherEnd(Rect rect) {
+        return rect.right;
+    }
+
 }
 
 class ReverseVerticalDividerDecorationHelper extends DividerDecorationHelper {
@@ -106,6 +134,26 @@ public int getEnd(Rect rect) {
         return rect.top;
     }
 
+    @Override
+    public void setOtherStart(Rect rect, int start) {
+        rect.right = start;
+    }
+
+    @Override
+    public void setOtherEnd(Rect rect, int end) {
+        rect.left = end;
+    }
+
+    @Override
+    public int getOtherStart(Rect rect) {
+        return rect.right;
+    }
+
+    @Override
+    public int getOtherEnd(Rect rect) {
+        return rect.left;
+    }
+
     @Override
     public int getOffset(int offset) {
         return -offset;
@@ -139,6 +187,26 @@ public int getEnd(Rect rect) {
         return rect.right;
     }
 
+    @Override
+    public void setOtherStart(Rect rect, int start) {
+        rect.top = start;
+    }
+
+    @Override
+    public void setOtherEnd(Rect rect, int end) {
+        rect.bottom = end;
+    }
+
+    @Override
+    public int getOtherStart(Rect rect) {
+        return rect.top;
+    }
+
+    @Override
+    public int getOtherEnd(Rect rect) {
+        return rect.bottom;
+    }
+
 }
 
 class ReverseHorizontalDividerDecorationHelper extends DividerDecorationHelper {
@@ -167,6 +235,26 @@ public int getEnd(Rect rect) {
         return rect.left;
     }
 
+    @Override
+    public void setOtherStart(Rect rect, int start) {
+        rect.bottom = start;
+    }
+
+    @Override
+    public void setOtherEnd(Rect rect, int end) {
+        rect.top = end;
+    }
+
+    @Override
+    public int getOtherStart(Rect rect) {
+        return rect.bottom;
+    }
+
+    @Override
+    public int getOtherEnd(Rect rect) {
+        return rect.top;
+    }
+
     @Override
     public int getOffset(int offset) {
         return -offset;