package com.scanvine.android.ui;
import java.io.File;
import java.lang.ref.WeakReference;
import java.util.List;
import org.json.JSONObject;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.scanvine.android.R;
import com.scanvine.android.model.Story;
import com.scanvine.android.util.SVDownloadManager;
import com.scanvine.android.util.Util;
public class StoryArrayAdapter extends ArrayAdapter<Story> {
Context context;
WeakReference<StoryListFragment> fragmentRef;
SVDownloadManager downloadManager;
public StoryArrayAdapter(Context context, StoryListFragment fragment, int resourceId, List<Story> objects) {
super(context, resourceId, objects);
this.context = context;
this.fragmentRef = new WeakReference<StoryListFragment>(fragment);
this.downloadManager = new SVDownloadManager();
}
/*private view holder class*/
private class ViewHolder {
ImageView image;
ImageButton share;
ImageButton download;
TextView txtTitle;
TextView txtBlurb;
TextView txtByline;
View margin;
public void setDownloadButton(final Story story) {
if (downloadManager.downloadExistsFor(context, story)) {
download.setImageResource(R.drawable.briefcase);
download.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setMessage(R.string.delete_this_download)
.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
downloadManager.deleteDownload(context, story.getFilename());
setDownloadButton(story);
}
})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
}
});
AlertDialog dialog = builder.create();
dialog.show();
}
});
}
else {
download.setImageResource(R.drawable.download);
download.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (!Util.AreWeOnline(context))
Toast.makeText(context, "Not online", Toast.LENGTH_SHORT).show();
else {
download.setImageResource(R.drawable.repeat);
Handler handler = new FileHandler(context.getApplicationContext(), story, download);
downloadManager.fetchFileOnThread(context, story.getURL(), handler);
}
}
});
}
}
}
public View getView(int position, View convertView, ViewGroup parent) {
final ViewHolder holder = convertView==null ? new ViewHolder() : (ViewHolder) convertView.getTag();
final Story story = getItem(position);
LayoutInflater mInflater = (LayoutInflater) context.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = mInflater.inflate(R.layout.story_card, null);
holder.txtTitle = (TextView) convertView.findViewById(R.id.title);
holder.txtBlurb = (TextView) convertView.findViewById(R.id.blurb);
holder.txtByline = (TextView) convertView.findViewById(R.id.byline);
holder.image = (ImageView) convertView.findViewById(R.id.image);
holder.share = (ImageButton) convertView.findViewById(R.id.share);
holder.download = (ImageButton) convertView.findViewById(R.id.download);
holder.margin = (View) convertView.findViewById(R.id.margin);
convertView.setTag(holder);
}
holder.txtTitle.setText(story.getTitleLine());
holder.txtByline.setText(story.getByline());
holder.txtBlurb.setText(story.getSafeBlurb());
holder.txtBlurb.setVisibility(View.GONE);
holder.margin.setVisibility(story.isClustered() ? View.VISIBLE : View.GONE);
holder.image.setImageDrawable(context.getResources().getDrawable(R.drawable.scanvine));
downloadManager.fetchDrawableOnThread(context, story.getImageURL(), new DrawableHandler(holder.image));
holder.setDownloadButton(story);
holder.image.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
int currentViz = holder.txtBlurb.getVisibility();
holder.txtBlurb.setVisibility(currentViz==View.VISIBLE ? View.GONE : View.VISIBLE);
}
});
holder.share.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String title = story.getTitle();
if (title.length()>115)
title = title.substring(0,115)+"...";
String text = "\""+title+"\""+" via @Scanvine: "+story.getURL();
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.putExtra(Intent.EXTRA_TEXT, text);
shareIntent.setType("text/plain");
context.startActivity(shareIntent);
}
});
convertView.setOnClickListener(new OnItemClickListener(position));
return convertView;
}
private class OnItemClickListener implements OnClickListener{
private int position;
OnItemClickListener(int n){
position = n;
}
@Override
public void onClick(View arg) {
StoryListFragment fragment = fragmentRef.get();
if (fragment!=null)
fragment.selectItem(position);
}
}
private static class DrawableHandler extends Handler {
private final WeakReference<ImageView> wrImageView;
public DrawableHandler(ImageView imageView) {
wrImageView = new WeakReference<ImageView>(imageView);
}
@Override
public void handleMessage(Message msg) {
ImageView imageView = wrImageView.get();
if (imageView != null) {
Drawable d = Drawable.createFromPath(""+msg.obj);
imageView.setImageDrawable(d);
}
}
}
private static class FileHandler extends Handler {
private Context context;
private final WeakReference<ImageButton> wrImageButton;
private final WeakReference<Story> wrStory;
public FileHandler(Context ctx, Story story, ImageButton imageButton) {
wrImageButton = new WeakReference<ImageButton>(imageButton);
wrStory = new WeakReference<Story>(story);
context = ctx;
}
@Override
public void handleMessage(Message msg) {
ImageButton imageButton = wrImageButton.get();
Story story = wrStory.get();
if (imageButton != null && story != null) {
File file = (File) msg.obj;
Log.i(""+this, "Downloaded: "+file);
imageButton.setImageResource(R.drawable.briefcase);
try {
JSONObject serialized = new JSONObject();
serialized.put("story", story.getJSON());
serialized.put("file", Util.ConvertFileToString(file));
Util.WriteToFile(context, story.getFilename(), ""+serialized);
Log.i(""+this, "Serialized: "+story+" to "+context.getFilesDir()+"/"+story.getFilename());
file.delete();
}
catch(Exception ex) {
Log.i(""+this, "Could not serialize: "+story);
}
}
}
}
}
