PlotItemWrapper.java

package com.commonsensenet.realfarm.view;

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.commonsensenet.realfarm.R;
import com.commonsensenet.realfarm.dataaccess.RealFarmProvider;
import com.commonsensenet.realfarm.model.Plot;
import com.commonsensenet.realfarm.model.Resource;

/**
 * Class that wraps up the contents of a Plot, which is presented on a list
 * adapter.
 * 
 * @author Oscar Bola�os <@oscarbolanos>
 * 
 */
public class PlotItemWrapper {

	/** Icon that represents the main crop inside that plot. */
	private ImageView mSoilTypeIcon;
	/** Description line of the plot. */
	private TextView mDescription;
	/** Icon that represents the plot. */
	private ImageView mIcon;
	/** Number counter of the plot. */
	private TextView mNumber;
	/** The View object that represents a single row inside the ListView. */
	private View mRow;
	/** Title line of the plot. */
	private TextView mTitle;

	/**
	 * Creates a new PlotItemWrapper instance.
	 * 
	 * @param row
	 *            the View where the info will be presented.
	 */
	public PlotItemWrapper(View row) {
		mRow = row;
	}

	public ImageView getSoilTypeIcon() {
		if (mSoilTypeIcon == null) {
			mSoilTypeIcon = (ImageView) mRow
					.findViewById(R.id.icon_plot_soil_type);
		}
		return (mSoilTypeIcon);
	}

	public TextView getDescription() {
		if (mDescription == null) {
			mDescription = (TextView) mRow
					.findViewById(R.id.label_plot_description);
		}
		return (mDescription);
	}

	public ImageView getIcon() {
		if (mIcon == null) {
			mIcon = (ImageView) mRow.findViewById(R.id.icon_plot);
		}
		return (mIcon);
	}

	public TextView getNumber() {
		if (mNumber == null) {
			mNumber = (TextView) mRow.findViewById(R.id.label_plot_number);
		}
		return (mNumber);
	}

	public TextView getTitle() {

		if (mTitle == null) {
			mTitle = (TextView) mRow.findViewById(R.id.label_plot_title);
		}
		return (mTitle);
	}

	public void populateFrom(int position, Plot plot, RealFarmProvider provider) {

		// gets the soil type object used by the plot.
		Resource soilType = provider.getSoilTypeById(plot.getSoilTypeId());

		// gets the image from the file system.
		BitmapFactory.Options options = new BitmapFactory.Options();
		options.inTempStorage = new byte[16 * 1024];
		options.inSampleSize = 12;

		// gets the bitmap from the file system.
		Bitmap bitmapImage = BitmapFactory.decodeFile(plot.getImagePath(),
				options);
		Bitmap rotatedImage = null;

		// rotates the image 90 degrees.
		if (bitmapImage != null) {
			Matrix matrix = new Matrix();
			matrix.postRotate(90);
			rotatedImage = Bitmap.createBitmap(bitmapImage, 0, 0,
					bitmapImage.getWidth(), bitmapImage.getHeight(), matrix,
					true);
			getIcon().setImageBitmap(rotatedImage);
		} else {
			getIcon().setImageResource(R.drawable.ic_plots);
		}

		// sets the template values.
		getTitle().setText(soilType.getName());
		getDescription().setText(plot.getSize() + " acres");
		getSoilTypeIcon().setImageResource(soilType.getBackgroundImage());
		getNumber().setText((1 + position) + ".");
	}
}