package com.tyndalehouse.step;

import com.tyndalehouse.step.R;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Gallery.LayoutParams;
import android.widget.ImageView;
import android.widget.Toast;

public class Viewer extends Activity  
{

	private FullGallery g;
//	private Cursor c;
//	private int columnIndex;
	

	@Override
	protected void onCreate( Bundle savedInstanceState ) {
		super.onCreate( savedInstanceState );
		
		
		setContentView( R.layout.viewer );
		
//		/** 
//		 * Query image database to get images 
//		 */
//		String[] projection = { MediaStore.Images.Media._ID, MediaStore.Images.Media.ORIENTATION };
//
//		c = managedQuery( MediaStore.Images.Media.EXTERNAL_CONTENT_URI, 
//						projection, 
//						MediaStore.Images.Media.DATA + " like ? ", 
//						new String[] { "%STEP/Wilson%" }, 
//						null );
//		columnIndex = c.getColumnIndexOrThrow( MediaStore.Images.Media._ID );
		
	    /** 
	     * Set Gallery 
	     */ 

	    g = ( FullGallery ) findViewById( R.id.gallery );
	    g.setAdapter( new ImageAdapter( this ) );
	    g.setFadingEdgeLength(0);
	    g.setSpacing(2);
	    
	    g.setAdapter( new ImageAdapter( this ) );
	    

	    /** 
	     * Set up click listener on Gallery 
	     */
	    g.setOnItemClickListener( new OnItemClickListener() {
	        public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
	            
	        	if ( v != null ) {
	        		Toast.makeText(Viewer.this, "Page " + (position + 1), Toast.LENGTH_SHORT).show();
	        	}
	        }
	    });
	    
	    // We also want to show context menu for longpressed items in the gallery
	    registerForContextMenu(g);
	}

	@Override
    public void onCreateContextMenu( ContextMenu menu, View v, ContextMenuInfo menuInfo ) {
        menu.add(R.string.gallery_2_text);
    }
	
    @Override
    public boolean onContextItemSelected( MenuItem item ) {
        AdapterContextMenuInfo info = ( AdapterContextMenuInfo ) item.getMenuInfo();
        Toast.makeText(this, "Longpress: " + ( info.position + 1 ), Toast.LENGTH_SHORT).show();
        return true;
    }

	public class ImageAdapter extends BaseAdapter {
		int mGalleryItemBackground;
		private Context mContext;

		private Integer[] mImageIds = {
	            R.drawable.wilson1,
	            R.drawable.wilson2
	    };
		
		public ImageAdapter( Context context ) {
			mContext = context;
			TypedArray attr = mContext.obtainStyledAttributes( R.styleable.Viewer );
			mGalleryItemBackground = attr.getResourceId( R.styleable.Viewer_android_galleryItemBackground, 0 );
			attr.recycle();
		}

		public int getCount() {
//			return c.getCount();
			return mImageIds.length;
		}

		public Object getItem( int position ) {
			return position;
		}
		
		public long getItemId( int position ) {
			return position;
		}
		

		public View getView( int position, View convertView, ViewGroup parent ) {
			
		   	ImageView imageView = new ImageView(mContext);

//		   	// Move cursor to current position
//			c.moveToPosition(position);
//			
//			// Get the current value for the requested column
//			int imageID = c.getInt(columnIndex);
//			
//			// Obtain the image URI
//			Uri uri = Uri.withAppendedPath( MediaStore.Images.Media.EXTERNAL_CONTENT_URI, Integer.toString( imageID ) );
//
//			// Set the content of the image based on the image URI
//			imageView.setImageURI( uri );
			
			// Set content of the image from resources
			imageView.setImageResource( mImageIds[position] );
			
		   	imageView.setLayoutParams( new LayoutParams( LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT ) );
			imageView.setScaleType( ImageView.ScaleType.FIT_CENTER );

			return imageView;
		}
	}
	
}