Examples with BaseExpandableRecyclerAdapter com.instructure.pandarecycler.BaseExpandableRecyclerAdapter used on opensource projects

Example 1 with BaseExpandableRecyclerAdapter

use of com.instructure.pandarecycler.BaseExpandableRecyclerAdapter in project instructure-android by instructure.

the class ExpandableGridSpacingDecorator method getItemOffsets.

@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
    super.getItemOffsets(outRect, view, parent, state);
    final BaseExpandableRecyclerAdapter adapter = (BaseExpandableRecyclerAdapter) parent.getAdapter();
    final int position = parent.getChildAdapterPosition(view);
    final boolean isHeader = adapter.isPositionGroupHeader(position);
    final RecyclerView.ViewHolder viewHolder = parent.getChildViewHolder(view);
    if (position == RecyclerView.NO_POSITION) {
        // If this ItemDecoration does not affect the positioning of item views,
        AlphaAnimation anim = new AlphaAnimation(1.0f, 0.0f);
        anim.setDuration(175);
        viewHolder.itemView.startAnimation(anim);
        viewHolder.itemView.setVisibility(View.GONE);
        return;
    } else {
        viewHolder.itemView.setVisibility(View.VISIBLE);
    }
    if (isHeader) {
        return;
    }
    final int spanCount = getTotalSpan(parent);
    // the visual position
    final int pseudoGroupPosition = adapter.getGroupVisualPosition(position);
    final int rows = ((adapter.getGroupItemCount(adapter.getGroup(pseudoGroupPosition)) - 1) / spanCount) + 1;
    final int leftRightEdge = getIsEdgeType(spanCount, position, pseudoGroupPosition);
    final int topBottomEdge = getIsTopBottomEdgeType(spanCount, rows, position, pseudoGroupPosition);
    if (spanCount == 1) {
        outRect.left = spacing;
        outRect.right = spacing;
    } else {
        if (leftRightEdge == LEFT) {
            outRect.left = spacing;
            outRect.right = halfSpacing;
        } else if (leftRightEdge == RIGHT) {
            outRect.left = halfSpacing;
            outRect.right = spacing;
        } else {
            outRect.left = halfSpacing;
            outRect.right = halfSpacing;
        }
    }
    if (rows == 1) {
        outRect.top = spacing;
        outRect.bottom = spacing;
    } else {
        if (topBottomEdge == TOP) {
            outRect.top = spacing;
            outRect.bottom = halfSpacing;
        } else if (topBottomEdge == BOTTOM) {
            outRect.top = halfSpacing;
            outRect.bottom = spacing;
        } else {
            outRect.top = halfSpacing;
            outRect.bottom = halfSpacing;
        }
    }
}

Example 2 with BaseExpandableRecyclerAdapter

use of com.instructure.pandarecycler.BaseExpandableRecyclerAdapter in project instructure-android by instructure.

the class ExpandableGridSpacingDecorator method getItemOffsets.

@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
    super.getItemOffsets(outRect, view, parent, state);
    final BaseExpandableRecyclerAdapter adapter = (BaseExpandableRecyclerAdapter) parent.getAdapter();
    final int position = parent.getChildAdapterPosition(view);
    final boolean isHeader = adapter.isPositionGroupHeader(position);
    final RecyclerView.ViewHolder viewHolder = parent.getChildViewHolder(view);
    if (position == RecyclerView.NO_POSITION) {
        // If this ItemDecoration does not affect the positioning of item views,
        AlphaAnimation anim = new AlphaAnimation(1.0f, 0.0f);
        anim.setDuration(175);
        viewHolder.itemView.startAnimation(anim);
        viewHolder.itemView.setVisibility(View.GONE);
        return;
    } else {
        viewHolder.itemView.setVisibility(View.VISIBLE);
    }
    if (isHeader) {
        return;
    }
    final int spanCount = getTotalSpan(parent);
    // the visual position
    final int pseudoGroupPosition = adapter.getGroupVisualPosition(position);
    final int rows = ((adapter.getGroupItemCount(adapter.getGroup(pseudoGroupPosition)) - 1) / spanCount) + 1;
    final int leftRightEdge = getIsEdgeType(spanCount, position, pseudoGroupPosition);
    final int topBottomEdge = getIsTopBottomEdgeType(spanCount, rows, position, pseudoGroupPosition);
    if (spanCount == 1) {
        outRect.left = spacing;
        outRect.right = spacing;
    } else {
        if (leftRightEdge == LEFT) {
            outRect.left = spacing;
            outRect.right = halfSpacing;
        } else if (leftRightEdge == RIGHT) {
            outRect.left = halfSpacing;
            outRect.right = spacing;
        } else {
            outRect.left = halfSpacing;
            outRect.right = halfSpacing;
        }
    }
    if (rows == 1) {
        outRect.top = spacing;
        outRect.bottom = spacing;
    } else {
        if (topBottomEdge == TOP) {
            outRect.top = spacing;
            outRect.bottom = halfSpacing;
        } else if (topBottomEdge == BOTTOM) {
            outRect.top = halfSpacing;
            outRect.bottom = spacing;
        } else {
            outRect.top = halfSpacing;
            outRect.bottom = halfSpacing;
        }
    }
}