com.willowtreeapps.spurceexampleapp.fragments.ListViewFragment.java Source code

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Here is the source code for com.willowtreeapps.spurceexampleapp.fragments.ListViewFragment.java

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/*
 *     Spruce
 *
 *     Copyright (c) 2017 WillowTree, Inc.
 *     Permission is hereby granted, free of charge, to any person obtaining a copy
 *     of this software and associated documentation files (the "Software"), to deal
 *     in the Software without restriction, including without limitation the rights
 *     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *     copies of the Software, and to permit persons to whom the Software is
 *     furnished to do so, subject to the following conditions:
 *     The above copyright notice and this permission notice shall be included in
 *     all copies or substantial portions of the Software.
 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *     THE SOFTWARE.
 *
 */

package com.willowtreeapps.spurceexampleapp.fragments;

import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;

import com.willowtreeapps.spruce.Spruce;
import com.willowtreeapps.spruce.animation.DefaultAnimations;
import com.willowtreeapps.spruce.sort.DefaultSort;
import com.willowtreeapps.spurceexampleapp.R;
import com.willowtreeapps.spurceexampleapp.model.ExampleData;

import java.util.ArrayList;
import java.util.List;

public class ListViewFragment extends Fragment {

    public static ListViewFragment newInstance() {
        return new ListViewFragment();
    }

    private ListView listView;
    private Animator spruceAnimator;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, @Nullable Bundle savedInstanceState) {
        listView = (ListView) container.findViewById(R.id.list_view);

        // Create the animator after the list view has finished laying out
        listView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            @Override
            public void onGlobalLayout() {
                initSpruce();
            }
        });

        // Mock data objects
        List<ExampleData> placeHolderList = new ArrayList<>();
        for (int i = 0; i < 10; i++) {
            placeHolderList.add(new ExampleData());
        }

        // Remove default dividers and set adapter
        listView.setDivider(null);
        listView.setDividerHeight(0);
        listView.setAdapter(new ListViewAdapter(placeHolderList));

        return inflater.inflate(R.layout.list_view_fragment, container, false);
    }

    @Override
    public void onResume() {
        super.onResume();
        if (spruceAnimator != null) {
            spruceAnimator.start();
        }
    }

    private void initSpruce() {
        spruceAnimator = new Spruce.SpruceBuilder(listView).sortWith(new DefaultSort(100))
                .animateWith(DefaultAnimations.shrinkAnimator(listView, 800),
                        ObjectAnimator.ofFloat(listView, "translationX", -listView.getWidth(), 0f).setDuration(800))
                .start();
    }

    private class ListViewAdapter extends BaseAdapter {

        private List<ExampleData> placeholderList;
        private LayoutInflater inflater;

        ListViewAdapter(List<ExampleData> placeholderList) {
            this.placeholderList = placeholderList;
            this.inflater = LayoutInflater.from(getContext());
        }

        class ViewHolder implements View.OnClickListener {

            private RelativeLayout parent;

            ViewHolder(RelativeLayout parent) {
                this.parent = parent;
                this.parent.setOnClickListener(this);
            }

            @Override
            public void onClick(View v) {
                initSpruce();
            }
        }

        @Override
        public int getCount() {
            return placeholderList.size();
        }

        @Override
        public Object getItem(int position) {
            return position;
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {

            View vi = convertView;
            ViewHolder vh;

            if (convertView == null) {
                vi = inflater.inflate(R.layout.view_placeholder, null);
                vh = new ViewHolder((RelativeLayout) vi);
                vi.setTag(vh);
            }

            return vi;
        }
    }

}