ViewComment.java

package ryan.org.wordpress.android;

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.util.Linkify;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;

import java.io.InputStream;
import java.math.BigInteger;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import ryan.org.wordpress.android.R;

public class ViewComment extends Activity {

	private String comment= "";
	private String email = "";
	private String name = "";
	private String url = "";
	private String date = "";
	private String status = "";
	private String comment_id = "";
	private String post_id = "";
	private Drawable d;
	private int position = 0;
	
	private Handler handler = new Handler() {


		public void handleMessage(Message msg) {

		super.handleMessage(msg);

		final ImageView ivGravatar = (ImageView) findViewById(R.id.gravatar);
		ivGravatar.setImageDrawable(d);

		}

		};
		
		private void getGravatar(final String gravatarURL) {

			new Thread() {

			public void run() {

			d = getDrawable(gravatarURL);

			handler.sendEmptyMessage(0);

			}

			}.start();

			}

	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		Bundle extras = getIntent().getExtras();
        if(extras !=null)
        {  
         comment = extras.getString("comment");
         email = extras.getString("email");
         name = extras.getString("name");
         url = extras.getString("url");
         date = extras.getString("date");
         status = extras.getString("status");
         comment_id = extras.getString("comment_id");
         post_id = extras.getString("post_id");
         position = extras.getInt("position");
        } 
        
        setContentView(R.layout.view_comment);
        
        final String gravatarURL = "http://gravatar.com/avatar/" + getMd5Hash(email.trim()) + "?s=200&d=identicon";
        
        getGravatar(gravatarURL);        
        
        this.setTitle(getResources().getText(R.string.view_comment_from) + " " + name);
        
        TextView tvName = (TextView) findViewById(R.id.name);
        
        tvName.setText(name);
        
        TextView tvEmail = (TextView) findViewById(R.id.email);
        if (!email.equals("")){
	        tvEmail.setText(email);
	        Linkify.addLinks(tvEmail, Linkify.ALL);
        }
        else{
        	tvEmail.setVisibility(View.GONE);
        }
        
        TextView tvURL = (TextView) findViewById(R.id.url);
        if (!url.equals("")){
        	tvURL.setText(url);
            Linkify.addLinks(tvURL, Linkify.ALL);
        }
        else{
        	tvURL.setVisibility(View.GONE);
        }
        
		TextView tvComment = (TextView) findViewById(R.id.comment);
		
		tvComment.setText(comment);
		Linkify.addLinks(tvComment, Linkify.ALL);
		
		TextView tvDate = (TextView) findViewById(R.id.date);
		
		tvDate.setText(date);
		
		ImageButton delete = (ImageButton) findViewById(R.id.deleteComment);
		
		delete.setOnClickListener(new ImageButton.OnClickListener() {
            public void onClick(View v) {
            	 
            	Bundle bundle = new Bundle();
				bundle.putString("comment_id", comment_id);
				bundle.putString("action", "delete");
				bundle.putInt("position", position);
		    	Intent i = new Intent();
		    	i.putExtras(bundle);
		    	setResult(RESULT_OK, i);
                finish();
            }
        });
		
		Button spam = (Button) findViewById(R.id.markSpam);
		
		spam.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
            	 
            	Bundle bundle = new Bundle();
				bundle.putString("comment_id", comment_id);
				bundle.putString("action", "spam");
				bundle.putInt("position", position);
		    	Intent i = new Intent();
		    	i.putExtras(bundle);
		    	setResult(RESULT_OK, i);
                finish();
            }
        });
		
		Button unapprove = (Button) findViewById(R.id.unapproveComment);
		
		unapprove.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
            	 
            	Bundle bundle = new Bundle();
				bundle.putString("comment_id", comment_id);
				bundle.putString("action", "hold");
				bundle.putInt("position", position);
		    	Intent i = new Intent();
		    	i.putExtras(bundle);
		    	setResult(RESULT_OK, i);
                finish();
            }
        });
		
		Button approve = (Button) findViewById(R.id.approveComment);
		
		approve.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
            	 
            	Bundle bundle = new Bundle();
				bundle.putString("comment_id", comment_id);
				bundle.putString("action", "approve");
				bundle.putInt("position", position);
		    	Intent i = new Intent();
		    	i.putExtras(bundle);
		    	setResult(RESULT_OK, i);
                finish();
            }
        });
		
		Button reply = (Button) findViewById(R.id.reply);
		
		reply.setOnClickListener(new Button.OnClickListener() {
            public void onClick(View v) {
            	 
            	Bundle bundle = new Bundle();
				bundle.putString("comment_id", comment_id);
				bundle.putString("action", "reply");
				bundle.putString("post_id", post_id);
				bundle.putInt("position", position);
		    	Intent i = new Intent();
		    	i.putExtras(bundle);
		    	setResult(RESULT_OK, i);
                finish();
            }
        });
		
		//hide buttons based on comment status		
		if (status.equals("hold"))
		{
			unapprove.setVisibility(View.GONE);
		}
		else if (status.equals("approve")){
			approve.setVisibility(View.GONE);
		}
		else if (status.equals("spam")){
			spam.setVisibility(View.GONE);
		}

	}
	
	public Drawable getDrawable(String imgUrl) { 
        try { 
                 URL url = new URL(imgUrl); 
                 InputStream is = null;
				try {
					is = (InputStream) url.getContent();
				} catch (Exception e) {
					e.printStackTrace();
				} 
				if (is != null){
					Drawable d = Drawable.createFromStream(is, "src");
					return d;
				}
				else{
					return null;
				}
                 
         } catch (MalformedURLException e) { 
                 e.printStackTrace(); 
                 return null; 
         } 
 } 
	
	public static String getMd5Hash(String input) {
	    try     {
	            MessageDigest md = MessageDigest.getInstance("MD5");
	            byte[] messageDigest = md.digest(input.getBytes());
	            BigInteger number = new BigInteger(1,messageDigest);
	            String md5 = number.toString(16);
	       
	            while (md5.length() < 32)
	                    md5 = "0" + md5;
	       
	            return md5;
	    } catch(NoSuchAlgorithmException e) {
	            Log.e("MD5", e.getMessage());
	            return null;
	    }
	}
	
	@Override
    public void onConfigurationChanged(Configuration newConfig) {
      //ignore orientation change
      super.onConfigurationChanged(newConfig);
    } 
}