AggregateItemWrapper.java

package com.commonsensenet.realfarm.view;

import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import com.commonsensenet.realfarm.R;
import com.commonsensenet.realfarm.dataaccess.RealFarmProvider;
import com.commonsensenet.realfarm.model.aggregate.AggregateItem;

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

	protected TextView labelCenter;
	protected TextView labelLeft;
	protected TextView labelNews;
	protected TextView labelRight;
	/** The View object that represents a single row inside the ListView. */
	protected View mRow;
	protected RelativeLayout relativeLayoutCenter;
	protected RelativeLayout relativeLayoutLeft;
	protected RelativeLayout relativeLayoutRight;

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

	public ImageView getImageCenter() {
		if (imageCenter == null) {
			imageCenter = (ImageView) mRow.findViewById(R.id.image_center);
		}
		return (imageCenter);
	}

	public TextView getLabelCenter() {
		if (labelCenter == null) {
			labelCenter = (TextView) mRow.findViewById(R.id.label_center);
		}
		return (labelCenter);
	}

	public TextView getLabelLeft() {
		if (labelLeft == null) {
			labelLeft = (TextView) mRow.findViewById(R.id.label_left);
		}
		return (labelLeft);
	}

	public TextView getLabelNews() {
		if (labelNews == null) {
			labelNews = (TextView) mRow.findViewById(R.id.label_news);
		}
		return (labelNews);
	}

	public TextView getLabelRight() {
		if (labelRight == null) {
			labelRight = (TextView) mRow.findViewById(R.id.label_right);
		}
		return (labelRight);
	}

	public RelativeLayout getRelativeLayoutCenter() {
		if (relativeLayoutCenter == null) {
			relativeLayoutCenter = (RelativeLayout) mRow
					.findViewById(R.id.relative_layout_center);
		}
		return (relativeLayoutCenter);
	}

	public RelativeLayout getRelativeLayoutLeft() {
		if (relativeLayoutLeft == null) {
			relativeLayoutLeft = (RelativeLayout) mRow
					.findViewById(R.id.relative_layout_left);
		}
		return (relativeLayoutLeft);
	}

	public RelativeLayout getRelativeLayoutRight() {
		if (relativeLayoutRight == null) {
			relativeLayoutRight = (RelativeLayout) mRow
					.findViewById(R.id.relative_layout_right);
		}
		return (relativeLayoutRight);
	}

	public View getRow() {
		return mRow;
	}

	public abstract void populateFrom(AggregateItem aggregate,
			RealFarmProvider provider);

}