/* 
 
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz

This file is part of C.a.R. software.

    C.a.R. is a free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.

    C.a.R. 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 
 package rene.zirkel.objects;

// file: LineCircleIntersectionObject.java

import rene.util.xml.XmlWriter;
import rene.zirkel.construction.Construction;

public class AxisFunctionIntersectionObject extends IntersectionObject {
	public AxisFunctionIntersectionObject(final Construction c,
			final AxisObject P1, final FunctionObject P2, final boolean first) {
		super(c, P1, P2);
		First = first;
		validate();
	}

	// public void updateCircleDep ()
	// { ((QuadricObject)P2).addDep(this);
	// ((PrimitiveLineObject)P1).addDep(this);
	// }

	// public void validate ()
	// { boolean oldvalid=Valid;
	// if (!P1.valid() || !P2.valid()) Valid=false;
	// else Valid=true;
	// if (!Valid) return;
	//
	// Coordinates c=AxisObject.intersect(
	// (PrimitiveLineObject)P1,(FunctionObject)P2);
	//
	// if (c==null)
	// { if (oldvalid && getConstruction().shouldSwitch())
	// { doSwitch();
	// if (!getConstruction().noteSwitch()) Switched=false;
	// }
	// else if (oldvalid && Alternate && Away==null &&
	// getConstruction().canAlternate())
	// { First=!First;
	// }
	// Valid=false; return;
	// }
	// double X1,Y1;
	// if (getAway()!=null)
	// { double x=getAway().getX(),y=getAway().getY();
	// double r=(x-c.X)*(x-c.X)+(y-c.Y)*(y-c.Y);
	// double r1=(x-c.X1)*(x-c.X1)+(y-c.Y1)*(y-c.Y1);
	// boolean flag=(r>r1);
	// if (!StayAway) flag=!flag;
	// if (flag)
	// {
	// setXY(c.X,c.Y);
	// X1=c.X1; Y1=c.Y1;
	// }
	// else
	// {
	// setXY(c.X1,c.Y1);
	// X1=c.X; Y1=c.Y;
	// }
	// }
	// else
	// { if (First) { setXY(c.X,c.Y); X1=c.X1; Y1=c.Y1; }
	// else { setXY(c.X1,c.Y1); X1=c.X; Y1=c.Y; }
	// }
	// if (Restricted)
	// {
	//
	// if (!((PrimitiveLineObject)P1).contains(X,Y)) {
	// if (!((PrimitiveLineObject)P1).contains(X1,Y1)){
	// Valid=false;
	// }else{
	// setXY(X1,Y1);
	// }
	//
	// }
	//
	//
	// }
	// }

	@Override
	public void printArgs(final XmlWriter xml) {
		super.printArgs(xml);
		if (First)
			xml.printArg("which", "first");
		else
			xml.printArg("which", "second");
	}

	@Override
	public boolean isSwitchable() {
		return true;
	}

	@Override
	public boolean canAlternate() {
		return true;
	}
}