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

import java.util.ResourceBundle;

import com.onaro.sanscreen.client.view.init.ConfigurableTableModelInitInfo;
import com.onaro.util.enumeration.EnumPresentation;

public class DerivedNumberColumn extends NumberColumn {
		
	private static final long serialVersionUID = 1L;

	public DerivedNumberColumn(String tableName, ConfigurableTableModelInitInfo.NumberColumnInitInfo columnInitInfo,
			ResourceBundle resources, EnumPresentation enumerations) {
		super(tableName, columnInitInfo, resources, enumerations);
	}

	/**
	 * Implementation of setValue that allows the value to be changed. This is necessary
	 * for the PercentSummarizer to set the derived value into the leaf cells when grouping.
	 * 
	 * @param row the row on which to set the value
	 * @param valueObj the value that is being set
	 */
	@Override
	public boolean setValue(Row row, Object valueObj) throws Exception {
		
		//fast fail
		if (row == null) return false;
		
		String userDataKey = getCacheKey();
		
		/**
		 * Put the value in the user data cache for the row.
		 * This will be retrieved in BasicCachingColumn's implementation of
		 * getValue().
		 */ 
		row.setUserData(userDataKey, valueObj);
		
		return true;
	}
}