@Override
public void onChildDrawOver(
Canvas c,
RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder,
float dX,
float dY,
int actionState,
boolean isCurrentlyActive) {
super.onChildDrawOver(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
View itemView = viewHolder.itemView;
c.save();
if (dX > 0) {
c.clipRect(
itemView.getLeft(), itemView.getTop(), itemView.getLeft() + dX, itemView.getBottom());
c.translate(itemView.getLeft(), itemView.getTop());
} else {
c.clipRect(
itemView.getRight() + dX, itemView.getTop(), itemView.getRight(), itemView.getBottom());
c.translate(itemView.getRight() + dX, itemView.getTop());
}
mAdapter.onItemSwiping(c, viewHolder, dX, dY, isCurrentlyActive);
c.restore();
}
}
@Override
public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemSelected();
}
super.onSelectedChanged(viewHolder, actionState);
}
@Override
public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
if (actionState == ItemTouchHelper.ACTION_STATE_DRAG) {
mAdapter.onItemDragStart(viewHolder);
viewHolder.itemView.setTag(R.id.BaseQuickAdapter_dragging_support, true);
} else if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
mAdapter.onItemSwipeStart(viewHolder);
viewHolder.itemView.setTag(R.id.BaseQuickAdapter_swiping_support, true);
}
super.onSelectedChanged(viewHolder, actionState);
}
@Override
public void onChildDraw(
Canvas c,
RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder,
float dX,
float dY,
int actionState,
boolean isCurrentlyActive) {
super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
}
@Override
public void onMoved(
RecyclerView recyclerView,
RecyclerView.ViewHolder viewHolder,
int fromPos,
RecyclerView.ViewHolder target,
int toPos,
int x,
int y) {
super.onMoved(recyclerView, viewHolder, fromPos, target, toPos, x, y);
}
@Override
public void clearView(final RecyclerView recyclerView, final RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
viewHolder.itemView.setAlpha(ALPHA_FULL);
if (viewHolder instanceof ItemTouchHelperViewHolder) {
// Tell the view holder it's time to restore the idle state
ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemClear();
}
}
@Override
public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
if (viewHolder.itemView.getTag(R.id.BaseQuickAdapter_dragging_support) != null
&& (Boolean) viewHolder.itemView.getTag(R.id.BaseQuickAdapter_dragging_support)) {
mAdapter.onItemDragEnd(viewHolder);
viewHolder.itemView.setTag(R.id.BaseQuickAdapter_dragging_support, false);
}
if (viewHolder.itemView.getTag(R.id.BaseQuickAdapter_swiping_support) != null
&& (Boolean) viewHolder.itemView.getTag(R.id.BaseQuickAdapter_swiping_support)) {
mAdapter.onItemSwipeClear(viewHolder);
viewHolder.itemView.setTag(R.id.BaseQuickAdapter_swiping_support, false);
}
}
@Override
public void onSelectedChanged(final RecyclerView.ViewHolder viewHolder, final int actionState) {
// We only want the active item to change
if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
if (viewHolder instanceof ItemTouchHelperViewHolder) {
// Let the view holder know that this item is being moved or dragged
ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemSelected();
}
}
super.onSelectedChanged(viewHolder, actionState);
}
@Override
public void onChildDraw(
final Canvas c,
final RecyclerView recyclerView,
final RecyclerView.ViewHolder viewHolder,
final float dX,
final float dY,
final int actionState,
final boolean isCurrentlyActive) {
if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
final float alpha = ALPHA_FULL - Math.abs(dX) / (float) viewHolder.itemView.getWidth();
viewHolder.itemView.setAlpha(alpha);
viewHolder.itemView.setTranslationX(dX);
} else {
super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
}
}
@Override
public void clearView(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
super.clearView(recyclerView, viewHolder);
ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
itemViewHolder.onItemClear();
}