/*   
SplitView.zob
 *    
 *    You may use and distribute under the terms of either the GNU Lesser
 *    General Public License, either version 2 of the license or,
 *    at your choice, any later version. Alternatively, you may use and
 *    distribute under the terms of the XPL.
 *
 *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
 *    the licenses.
 *
 *    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 README
 *    file for more details.
 *
 */
/*
 * Written by Benjamin Fallenstein
 */
 
package org.gzigzag;
import java.awt.*;

/** A view that shows the ctrl and data windows in one. */

public class SplitView implements FlobView, ZOb {
public static final String rcsid = "$Id: SplitView.zob,v 1.1 2000/12/26 15:20:42 bfallenstein Exp $";
    /** Should we print out debugging info? */
    public static boolean dbg = false;
    static final void p(String s) { if(dbg) pa(s); }
    static final void pa(String s) { System.out.println(s); }

    STRUCTPARAMS {}

    public void raster(FlobSet into, FlobFactory fact,
                       ZZCell win, String[] dims, ZZCell accursed) {
	Dimension size = new Dimension(into.getSize());
	size.width = size.width / 2;
	FlobSet set = into.create(size), otherset = into.create(size);
	
	FlobView view = new VanishingView();
	view.raster(set, fact, win, dims, accursed);
	
	boolean isctrl = false;
	ZZCell otherwin = win.s("d.ctrlview", -1);
	if(otherwin == null) { otherwin=win.s("d.ctrlview"); isctrl=true; }
	if(otherwin == null)
	    throw new ZZError("SplitView invoked for a window which is " +
			      "not in a control/data pair!");
	
	String[] otherdims = ZZDefaultSpace.getDimList(otherwin);
	ZZCell otheracc = ZZCursorReal.get(otherwin);
	
	ZZCell c = ZZDefaultSpace.findInheritableParam(otherwin, "View");
	ZZCell rastname = ZZCursorReal.get(c);

	ZOb frz = ZZDefaultSpace.readZOb(rastname);
	FlobView otherview = null;
	if(frz != null && frz instanceof FlobView) {
	    otherview = (FlobView)frz ;
	} else {
	    System.out.println("getScene: invalid type: "+frz);
	    otherview = new NullView();
	}
	
	otherview.raster(otherset, fact, otherwin, otherdims, otheracc);
	
	if(isctrl) {
	    FlobSet tmp = set;
	    set = otherset;
	    otherset = tmp;
	}
	
	into.fetch(otherset, 0, 0, 0);
	into.fetch(set, size.width, 0, 0);
    }
}