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package com.mapswithme.maps.widget.recycler;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.support.annotation.Dimension;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
public class DotDividerItemDecoration extends RecyclerView.ItemDecoration
{
@Dimension
private final int mHorizontalMargin;
@Dimension
private final int mVerticalMargin;
@NonNull
private final Drawable mDivider;
public DotDividerItemDecoration(@NonNull Drawable divider, @Dimension int horizontalMargin,
@Dimension int verticalMargin)
{
mDivider = divider;
mHorizontalMargin = horizontalMargin;
mVerticalMargin = verticalMargin;
}
@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state)
{
super.getItemOffsets(outRect, view, parent, state);
outRect.right = mHorizontalMargin;
outRect.bottom = mVerticalMargin;
}
@Override
public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state)
{
if (state.isMeasuring())
return;
int childCount = parent.getChildCount();
for (int i = 0; i < childCount - 1; i++)
{
View child = parent.getChildAt(i);
int centerX = mHorizontalMargin / 2 + child.getRight();
int centerY = child.getHeight() / 2 + child.getTop();
int left = centerX - mDivider.getIntrinsicWidth() / 2;
int right = left + mDivider.getIntrinsicWidth();
int top = centerY - mDivider.getIntrinsicHeight() / 2;
int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
}
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