Copyright (C) 2000, 2001, Geert Vernaeve. All Rights Reserved. 
package gve.calc.formula;
import gve.calc.packaging.*;

public class PackageInfo extends PackageDescriptor {
	public PackageInfo() {}

	public PartDescriptor [] getParts() {
		PartDescriptor [] result = {
			new MatrixInfo(), new RewriteRuleInfo(),new StackInfo()
		};
		return result;
	}
}

class MatrixInfo extends PartDescriptor {
	public MatrixInfo() {
		super("Matrix");
	}

	public void generateNew(Part dummy,FormulaView view) {
		Formula f = view.getFormula();
		Matrix mat = new Matrix(1,1);
		f.replace(dummy,mat);
		view.setCursorPart(mat.elementAt(0,0));
	}
}

class RewriteRuleInfo extends PartDescriptor {
	public RewriteRuleInfo() {
		super("RewriteRule");
	}

	public Part genNew() {
		return new RewriteRule();
	}
}

class StackInfo extends PartDescriptor {
	public StackInfo() {
		super("Stack");
	}

	public Part genNew() {
		return new Stack();
	}
}