parent
e548cbf171
commit
3f1f9ea9f2
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/*
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* Copyright (C) 2015 Paul Burke
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package eu.kanade.mangafeed.ui.base.adapter;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.helper.ItemTouchHelper;
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/**
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* Interface to listen for a move or dismissal event from a {@link ItemTouchHelper.Callback}.
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*
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* @author Paul Burke (ipaulpro)
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*/
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public interface ItemTouchHelperAdapter {
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/**
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* Called when an item has been dragged far enough to trigger a move. This is called every time
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* an item is shifted, and <strong>not</strong> at the end of a "drop" event.<br/>
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* <br/>
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* Implementations should call {@link RecyclerView.Adapter#notifyItemMoved(int, int)} after
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* adjusting the underlying data to reflect this move.
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*
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* @param fromPosition The start position of the moved item.
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* @param toPosition Then resolved position of the moved item.
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*
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* @see RecyclerView#getAdapterPositionFor(RecyclerView.ViewHolder)
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* @see RecyclerView.ViewHolder#getAdapterPosition()
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*/
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void onItemMove(int fromPosition, int toPosition);
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/**
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* Called when an item has been dismissed by a swipe.<br/>
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* <br/>
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* Implementations should call {@link RecyclerView.Adapter#notifyItemRemoved(int)} after
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* adjusting the underlying data to reflect this removal.
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*
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* @param position The position of the item dismissed.
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*
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* @see RecyclerView#getAdapterPositionFor(RecyclerView.ViewHolder)
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* @see RecyclerView.ViewHolder#getAdapterPosition()
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*/
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void onItemDismiss(int position);
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}
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@ -0,0 +1,13 @@
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package eu.kanade.mangafeed.ui.base.adapter;
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import android.support.v7.widget.RecyclerView;
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public interface OnStartDragListener {
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/**
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* Called when a view is requesting a start of a drag.
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*
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* @param viewHolder The holder of the view to drag.
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*/
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void onStartDrag(RecyclerView.ViewHolder viewHolder);
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}
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@ -0,0 +1,43 @@
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package eu.kanade.mangafeed.ui.base.adapter;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.helper.ItemTouchHelper;
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public class SimpleItemTouchHelperCallback extends ItemTouchHelper.Callback {
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private final ItemTouchHelperAdapter adapter;
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public SimpleItemTouchHelperCallback(ItemTouchHelperAdapter adapter) {
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this.adapter = adapter;
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}
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@Override
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public boolean isLongPressDragEnabled() {
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return true;
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}
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@Override
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public boolean isItemViewSwipeEnabled() {
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return true;
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}
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@Override
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public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
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int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
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int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
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return makeMovementFlags(dragFlags, swipeFlags);
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}
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@Override
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public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder,
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RecyclerView.ViewHolder target) {
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adapter.onItemMove(viewHolder.getAdapterPosition(), target.getAdapterPosition());
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return true;
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}
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@Override
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public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
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adapter.onItemDismiss(viewHolder.getAdapterPosition());
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}
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}
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@ -0,0 +1,16 @@
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package eu.kanade.mangafeed.ui.library.category;
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import eu.kanade.mangafeed.ui.base.adapter.ItemTouchHelperAdapter;
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import eu.kanade.mangafeed.ui.base.adapter.SimpleItemTouchHelperCallback;
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public class CategoryItemTouchHelper extends SimpleItemTouchHelperCallback {
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public CategoryItemTouchHelper(ItemTouchHelperAdapter adapter) {
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super(adapter);
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}
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@Override
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public boolean isItemViewSwipeEnabled() {
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return false;
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}
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}
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After Width: | Height: | Size: 116 B |
After Width: | Height: | Size: 148 B |
After Width: | Height: | Size: 89 B |
After Width: | Height: | Size: 114 B |
After Width: | Height: | Size: 137 B |
After Width: | Height: | Size: 174 B |
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Reference in new issue