com.piusvelte.imgpagur.ImgList.java Source code

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Here is the source code for com.piusvelte.imgpagur.ImgList.java

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/*
 * ImgPagur
 * Copyright (C) 2013 Bryan Emmanuel
 * 
 * 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/>.
 *  
 *  Bryan Emmanuel piusvelte@gmail.com
 */
package com.piusvelte.imgpagur;

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

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockListFragment;
import com.squareup.picasso.Picasso;

public class ImgList extends SherlockListFragment
        implements LoaderManager.LoaderCallbacks<List<ImgListItem>>, OnClickListener {

    public interface ImgListListener {

        public void addFeed(String title, String link);

    }

    public class ImgListAdapter extends ArrayAdapter<ImgListItem> {

        public ImgListAdapter(Context context, int textViewResourceId, List<ImgListItem> rowImages) {
            super(context, textViewResourceId, rowImages);
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View row;
            if (convertView == null) {
                row = (View) (LayoutInflater.from(parent.getContext())).inflate(R.layout.image_item, null);
            } else {
                row = (View) convertView;
            }
            ImgListItem imgListItem = getItem(position);
            ImageView image = (ImageView) row.findViewById(R.id.image);
            TextView textView = (TextView) row.findViewById(R.id.title);
            textView.setText(imgListItem.getTitle());
            textView = (TextView) row.findViewById(R.id.content);
            textView.setText(imgListItem.getContent());
            Picasso.with(getContext()).load(imgListItem.getThumbnail())
                    .resizeDimen(R.dimen.list_image, R.dimen.list_image).into(image);
            return row;
        }

    }

    private List<ImgListItem> imgListItems = new ArrayList<ImgListItem>();
    private ImgListListener callback;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            callback = (ImgListListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement AccountsListener");
        }
    }

    private TextView textEmpty;
    private EditText editTitle;
    private EditText editLink;
    private Button buttonSubmit;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        super.onCreateView(inflater, container, savedInstanceState);
        View rootView = inflater.inflate(R.layout.image_list, container, false);
        textEmpty = (TextView) rootView.findViewById(android.R.id.empty);
        editTitle = (EditText) rootView.findViewById(R.id.title);
        editLink = (EditText) rootView.findViewById(R.id.link);
        buttonSubmit = (Button) rootView.findViewById(R.id.submit);
        buttonSubmit.setOnClickListener(this);
        return rootView;
    }

    private ImgListAdapter adapter;

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        adapter = new ImgListAdapter(getActivity(), R.layout.image_item, imgListItems);
        setListAdapter(adapter);
        Bundle extras = getArguments();
        if (extras != null) {
            String link = extras.getString(EXTRA_LINK);
            if (link != null) {
                editTitle.setVisibility(View.GONE);
                editLink.setVisibility(View.GONE);
                buttonSubmit.setVisibility(View.GONE);
                getLoaderManager().initLoader(0, extras, this);
                return;
            }
        }
        textEmpty.setVisibility(View.GONE);
    }

    public static final String EXTRA_LINK = "link";

    @Override
    public void onListItemClick(ListView list, View view, int position, long id) {
        super.onListItemClick(list, view, position, id);
        startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(adapter.getItem(position).getThumbnail())));
    }

    @Override
    public Loader<List<ImgListItem>> onCreateLoader(int arg0, Bundle arg1) {
        if (arg1 != null) {
            return new RowImagesLoader(getActivity(), arg1.getString(EXTRA_LINK));
        } else {
            return null;
        }
    }

    @Override
    public void onLoadFinished(Loader<List<ImgListItem>> arg0, List<ImgListItem> arg1) {
        imgListItems.clear();
        imgListItems.addAll(arg1);
        if (imgListItems.isEmpty()) {
            textEmpty.setText(R.string.no_images);
        }
        adapter.notifyDataSetChanged();
    }

    @Override
    public void onLoaderReset(Loader<List<ImgListItem>> arg0) {
        // TODO Auto-generated method stub
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.submit) {
            String title = editTitle.getText().toString();
            String link = editLink.getText().toString();
            if ((title != null) && (title.length() > 0)) {
                if ((link != null) && (link.length() > 0)) {
                    if (callback != null) {
                        editTitle.setVisibility(View.GONE);
                        editLink.setVisibility(View.GONE);
                        v.setVisibility(View.GONE);
                        callback.addFeed(title, link);
                        Bundle extras = new Bundle();
                        extras.putString(EXTRA_LINK, link);
                        textEmpty.setVisibility(View.VISIBLE);
                        getLoaderManager().initLoader(0, extras, this);
                    }
                } else {
                    Toast.makeText(getActivity(), "A link is required", Toast.LENGTH_SHORT).show();
                }
            } else {
                Toast.makeText(getActivity(), "A title is required", Toast.LENGTH_SHORT).show();
            }
        }
    }

}