package com.onaro.sanscreen.client.view.tabular;

import org.apache.commons.lang3.StringUtils;
import org.eclipse.core.runtime.IAdaptable;

import com.onaro.client.leekui.runtime.OnaroAdapterUtils;

/**
 * Column that retrieves a property value off of the row object using introspection. The row value is adapted to
 * the specified object type, then a property is retrieved off of that object.
 *
 * @param <R> the object type the row objects will be adapted to.
 */
public class AdaptableTabularPropertyColumn<R> extends TabularPropertyColumn<IAdaptable> {

	private static final long serialVersionUID = 1L;
	
	protected final Class<R> adapterClass;
		
	public AdaptableTabularPropertyColumn(Class<R> adapterClass, String propertyPath, String name) {
		super(getBeanInfo(adapterClass), propertyPath, name);
		this.adapterClass = adapterClass;
	}

	public AdaptableTabularPropertyColumn(Class<R> adapterClass, String propertyPath, String columnId, String columnName) {
		this(adapterClass, propertyPath, columnName);
		if (StringUtils.isBlank(columnId)) throw new IllegalArgumentException("columnId"); //$NON-NLS-1$
		setIdentifier(columnId);
	}
	
	public AdaptableTabularPropertyColumn(Class<R> adapterClass, String propertyPath) {
		super(getBeanInfo(adapterClass), propertyPath);
		this.adapterClass = adapterClass;
	}

	@Override
	protected R getBean(IAdaptable row) {
		if (row == null) return null;
		
		R adapter = OnaroAdapterUtils.getAdapter(row, adapterClass);
		return adapter;
	}
}