/*
 * Copyright (C) 2012-2016 The Android Money Manager Ex Project Team
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.money.manager.ex.transactions;

import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.helper.ItemTouchHelper;

/**
 * Callback for swipe in split items.
 * Based on article and code at
 * https://github.com/iPaulPro/Android-ItemTouchHelper-Demo/blob/master/app/src/main/java/co/paulburke/android/itemtouchhelperdemo/helper/SimpleItemTouchHelperCallback.java
 */
public class SplitItemTouchCallback
    extends ItemTouchHelper.Callback {

    public SplitItemTouchCallback(SplitCategoriesAdapter adapter) {
        mAdapter = adapter;
    }

    private final SplitCategoriesAdapter mAdapter;

    @Override
    public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
//        return 0;

//        final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
        final int dragFlags = 0;

        final int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;

        return makeMovementFlags(dragFlags, swipeFlags);
    }

    @Override
    public boolean isItemViewSwipeEnabled() {
        return true;
    }

//    @Override
//    public boolean isLongPressDragEnabled() {
//        return true;
//    }

    @Override
    public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
//        return false;

        if (viewHolder.getItemViewType() != target.getItemViewType()) {
            return false;
        }

        // Notify the adapter of the move
        mAdapter.onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
        return true;
    }

    @Override
    public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
        // Notify the adapter of the dismissal
        mAdapter.onItemDismiss(viewHolder.getAdapterPosition());
    }
}