/*******************************************************************************
 * 
 * Copyright 2010 Alexandru Craciun, and individual contributors as indicated
 * by the @authors tag. 
 * 
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 * 
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 ******************************************************************************/
/* Generated By:JJTree: Do not edit this line. ASTCellReference.java Version 4.3 */
/* JavaCCOptions:MULTI=true,NODE_USES_PARSER=false,VISITOR=false,TRACK_TOKENS=false,NODE_PREFIX=AST,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
package org.netxilia.spi.impl.formula.parser;

import org.netxilia.api.formula.IFormulaContext;
import org.netxilia.api.formula.IFormulaRenderer;
import org.netxilia.api.reference.AreaReference;
import org.netxilia.api.reference.CellReference;
import org.netxilia.api.value.IGenericValue;
import org.netxilia.api.value.ReferenceValue;

/**
 * An AST node representing a reference to another cell.
 */
public class ASTCellReference extends ASTBaseNode implements IReferenceNode {
	private AreaReference ref;

	public ASTCellReference(int id) {
		super(id);
	}

	public ASTCellReference(FormulaParser p, int id) {
		super(p, id);
	}

	private String removeQuotes(String name) {
		if (name.length() < 3) {
			return name;
		}
		if (name.charAt(0) == '\'') {
			return name.substring(1, name.length() - 1);
		}
		return name;
	}

	public void setRef(String sheetRef, String cellRef) {
		// ACR: ref contains trailing !
		String cleanSheetRef = sheetRef;
		if (sheetRef != null && sheetRef.length() > 1) {
			cleanSheetRef = removeQuotes(sheetRef.substring(0, sheetRef.length() - 1));
		}

		CellReference topLeft = new CellReference(cleanSheetRef, cellRef);
		ref = new AreaReference(topLeft, topLeft);
	}

	@Override
	public IGenericValue eval(IFormulaContext context) {
		return new ReferenceValue(getReference(context), context);
	}

	@Override
	public String text(IFormulaRenderer context) {
		return context.getCellText(ref.getTopLeft());
	}

	@Override
	public String toString(String prefix, IFormulaContext context, IFormulaRenderer renderer) {
		return prefix + "CellReference[" + ref.getTopLeft() + "]=" + eval(context);
	}

	@Override
	public AreaReference getReference(IFormulaContext context) {
		return ref.withRelativeSheetName(context.getSheet().getName());
	}
}
/*
 * JavaCC - OriginalChecksum=76e9b91dd772efbf82b5c5778dad2355 (do not edit this line)
 */