/*   
MultiView.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.*;
import java.util.*;

/** A view that brings together different applitudes.
 */

public class MultiView implements FlobView, ZOb {
public static final String rcsid = "$Id: MultiView.zob,v 1.2 2000/12/28 22:46:02 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(final FlobSet into, final FlobFactory fact,
                       final ZZCell win, final String[] dims, 
		       final ZZCell accursed) {
	final Hashtable had = new Hashtable();
	
	ZZCell choice = null;
	ZZCell[] accapps = ApplitudeMgr.getApplitudes(accursed);
	ZZCell pref = ApplitudeMgr.getWindowApp(win);
	if(accapps.length == 0)
	    choice = ApplitudeMgr.getFallback(win.getSpace());
	else {
	    for(int i=0; i<accapps.length; i++) {
	        if(accapps[i].equals(pref)) {
		    choice = pref; break;
	        }
	    }
	    if(choice == null)
		choice = accapps[0];
	}
	
	final ZZCell app = choice;
	final Dimension size = new Dimension(into.getSize());
	fact.centerFlob(into, pref, pref, (float)1.5, 
			new Point(size.width, size.height), 1, 1, 1);

	FlobView view0 = ApplitudeMgr.getView(app);
	FlobSet set0 = into.create(size);
	view0.raster(set0, fact, win, dims, accursed);
	into.fetch(set0, 0, 0, 0, app);
	
	set0.iterDepth(new FlobSet.DepthIter() {
	    public void act(Flob[] flobs, int start, int n) {
		for(int i=start; i<start+n; i++) {
		    Flob f = flobs[i];
		    if(f.c == null || had.get(f.c) != null) continue;
		    had.put(f.c, f.c);
		    Point fc = f.getCenter();
		    ZZCell[] apps = ApplitudeMgr.getApplitudes(f.c);
		    for(int j=0; j<apps.length; j++) {
			if(apps[j].equals(app)) continue;
			FlobSet set = into.create(size);
			FlobView view = ApplitudeMgr.getView(apps[j]);
			view.raster(set, fact, win, dims, f.c);
			Flob g = set.findNearest(f, null);
			Point gc = g.getCenter();
			into.fetch(set, fc.x - gc.x + j, fc.y - gc.y + j,
				   f.d+1, apps[j]);
		    }
		}
	    }
	}, true);
    }
}