Examples with RecyclerArrayAdapter com.justwayward.reader.view.recyclerview.adapter.RecyclerArrayAdapter used on opensource projects

Example 1 with RecyclerArrayAdapter

use of com.justwayward.reader.view.recyclerview.adapter.RecyclerArrayAdapter in project BookReader by JustWayward.

the class DividerDecoration method onDrawOver.

public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    int orientation = 0;
    int headerCount = 0, footerCount = 0, dataCount;
    if (parent.getAdapter() instanceof RecyclerArrayAdapter) {
        headerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getHeaderCount();
        footerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getFooterCount();
        dataCount = ((RecyclerArrayAdapter) parent.getAdapter()).getCount();
    } else {
        dataCount = parent.getAdapter().getItemCount();
    }
    int dataStartPosition = headerCount;
    int dataEndPosition = headerCount + dataCount;
    RecyclerView.LayoutManager layoutManager = parent.getLayoutManager();
    if (layoutManager instanceof StaggeredGridLayoutManager) {
        orientation = ((StaggeredGridLayoutManager) layoutManager).getOrientation();
    } else if (layoutManager instanceof GridLayoutManager) {
        orientation = ((GridLayoutManager) layoutManager).getOrientation();
    } else if (layoutManager instanceof LinearLayoutManager) {
        orientation = ((LinearLayoutManager) layoutManager).getOrientation();
    }
    int start, end;
    if (orientation == OrientationHelper.VERTICAL) {
        start = parent.getPaddingLeft() + mPaddingLeft;
        end = parent.getWidth() - parent.getPaddingRight() - mPaddingRight;
    } else {
        start = parent.getPaddingTop() + mPaddingLeft;
        end = parent.getHeight() - parent.getPaddingBottom() - mPaddingRight;
    }
    int childCount = parent.getChildCount();
    for (int i = 0; i < childCount; i++) {
        View child = parent.getChildAt(i);
        int position = parent.getChildAdapterPosition(child);
        if (//数据项除了最后一项
        position >= dataStartPosition && position < dataEndPosition - 1 || //数据项最后一项
        (position == dataEndPosition - 1 && mDrawLastItem) || //header&footer且可绘制
        (!(position >= dataStartPosition && position < dataEndPosition) && mDrawHeaderFooter)) {
            if (orientation == OrientationHelper.VERTICAL) {
                RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
                int top = child.getBottom() + params.bottomMargin;
                int bottom = top + mHeight;
                mColorDrawable.setBounds(start, top, end, bottom);
                mColorDrawable.draw(c);
            } else {
                RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
                int left = child.getRight() + params.rightMargin;
                int right = left + mHeight;
                mColorDrawable.setBounds(left, start, right, end);
                mColorDrawable.draw(c);
            }
        }
    }
}