org.catnut.fragment.GalleryPagerFragment.java Source code

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Here is the source code for org.catnut.fragment.GalleryPagerFragment.java

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/*
 * The MIT License (MIT)
 * Copyright (c) 2014 longkai
 * The software shall be used for good, not evil.
 */
package org.catnut.fragment;

import android.app.Activity;
import android.app.Fragment;
import android.net.Uri;
import android.os.Bundle;
import android.support.v13.app.FragmentStatePagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.squareup.picasso.Picasso;
import org.catnut.R;
import org.catnut.support.PageTransformer;
import org.catnut.support.TouchImageView;
import org.catnut.util.Constants;

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

/**
 * pager?
 *
 * @author longkai
 */
public class GalleryPagerFragment extends Fragment {
    public static final String TAG = GalleryPagerFragment.class.getSimpleName();

    public static final String CUR_INDEX = "cur_index";
    public static final String URLS = "urls";
    public static final String TITLE = "title";

    private List<Uri> mUrls;
    private int mCurrentIndex;

    public static GalleryPagerFragment getFragment(int currentIndex, ArrayList<Uri> urls, String actionBarTitle) {
        Bundle args = new Bundle();
        args.putInt(CUR_INDEX, currentIndex);
        args.putParcelableArrayList(URLS, urls);
        args.putString(TITLE, actionBarTitle);
        GalleryPagerFragment fragment = new GalleryPagerFragment();
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        mUrls = getArguments().getParcelableArrayList(URLS);
        mCurrentIndex = getArguments().getInt(CUR_INDEX);
    }

    @Override
    public void onStart() {
        super.onStart();
        getActivity().getActionBar().setTitle(getArguments().getString(TITLE));
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.pager, container, false);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        ViewPager viewPager = (ViewPager) view;
        viewPager.setAdapter(new FragmentStatePagerAdapter(getFragmentManager()) {
            @Override
            public Fragment getItem(int position) {
                return SimpleImageFragment.getFragment(mUrls.get(position));
            }

            @Override
            public int getCount() {
                return mUrls.size();
            }
        });
        viewPager.setPageTransformer(true, new PageTransformer.ZoomOutPageTransformer());
        viewPager.setCurrentItem(mCurrentIndex);
    }

    public static class SimpleImageFragment extends Fragment {

        public static SimpleImageFragment getFragment(Uri url) {
            Bundle args = new Bundle();
            args.putParcelable(Constants.PIC, url);
            SimpleImageFragment fragment = new SimpleImageFragment();
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View view = inflater.inflate(R.layout.photo, container, false);
            view.setBackgroundColor(getResources().getColor(R.color.black_background));
            TouchImageView image = (TouchImageView) view.findViewById(R.id.image);
            Picasso.with(getActivity()).load((Uri) getArguments().getParcelable(Constants.PIC))
                    .error(R.drawable.error).into(image);
            return view;
        }
    }
}