com.haarman.listviewanimations.itemmanipulation.SwipeDismissAdapter Maven / Gradle / Ivy

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ListViewAnimations library
There is a newer version: 2.6.0
/*
 * Copyright 2013 Niek Haarman
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.haarman.listviewanimations.itemmanipulation;

import android.widget.AbsListView;
import android.widget.BaseAdapter;

import com.haarman.listviewanimations.ArrayAdapter;
import com.haarman.listviewanimations.BaseAdapterDecorator;

/**
 * Adds an option to swipe items in a ListView away. This does nothing more than
 * setting a new SwipeDismissListViewTouchListener to the ListView.
 */
public class SwipeDismissAdapter extends BaseAdapterDecorator {

	protected OnDismissCallback mCallback;
	protected SwipeDismissListViewTouchListener mSwipeDismissListViewTouchListener;

	protected SwipeOnScrollListener mOnScroll;
	
	public SwipeDismissAdapter(BaseAdapter baseAdapter, OnDismissCallback callback) {
		// add a default OnScrollListener
		this(baseAdapter, callback, new SwipeOnScrollListener());
	}

	public SwipeDismissAdapter(BaseAdapter baseAdapter, OnDismissCallback callback, SwipeOnScrollListener onScroll) {
		super(baseAdapter);
		mCallback = callback;
		mOnScroll = onScroll;
	}
	
	/**
	 * Override-able 
	 * @param listView
	 * @return SwipeDismissListViewTouchListener
	 */
	protected SwipeDismissListViewTouchListener createListViewTouchListener(AbsListView listView) {
		return new SwipeDismissListViewTouchListener(listView, mCallback, mOnScroll);
	}
	
	@Override
	public void setAbsListView(AbsListView listView) {
		super.setAbsListView(listView);
		if (mDecoratedBaseAdapter instanceof ArrayAdapter) {
			// fix #35 dirty trick !
			// if ArrayAdapter we assume that items manipulation will come from it
			((ArrayAdapter)mDecoratedBaseAdapter).propagateNotifyDataSetChanged(this);
		}
		mSwipeDismissListViewTouchListener = createListViewTouchListener(listView);
		mSwipeDismissListViewTouchListener.setIsParentHorizontalScrollContainer(isParentHorizontalScrollContainer());
		mSwipeDismissListViewTouchListener.setTouchChild(getTouchChild());
		listView.setOnTouchListener(mSwipeDismissListViewTouchListener);
	}

	@Override
	public void setIsParentHorizontalScrollContainer(boolean isParentHorizontalScrollContainer) {
		super.setIsParentHorizontalScrollContainer(isParentHorizontalScrollContainer);
		if (mSwipeDismissListViewTouchListener != null) {
			mSwipeDismissListViewTouchListener.setIsParentHorizontalScrollContainer(isParentHorizontalScrollContainer);
		}
	}

	@Override
	public void notifyDataSetChanged() {
		super.notifyDataSetChanged();
		if (mSwipeDismissListViewTouchListener != null) {
			mSwipeDismissListViewTouchListener.notifyDataSetChanged();
		}
	}

	@Override
	public void setTouchChild(int childResId) {
		super.setTouchChild(childResId);
		if (mSwipeDismissListViewTouchListener != null) {
			mSwipeDismissListViewTouchListener.setTouchChild(childResId);
		}
	}
}