gzz-mirror/Java/flob/RowColView.zob

/*   
RowColRaster.zob
 *    
 *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
 *
 *    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 Tuomas Lukka 
 */
 

package org.gzigzag;
import java.awt.*;
import java.util.*;

public class RowColView implements FlobView, ZOb {
public static final String rcsid = "$Id$";
    public static boolean dbg = false;
    static final void p(String s) { if(dbg) System.out.println(s); }
    static final void pa(String s) { System.out.println(s); }

    STRUCTPARAMS {
	boolean repeat
	    = false;

	boolean row
	    = false;

	ZOb geom
	    = new MagGrid();
    }

    void place(FlobFactory fact,
	FlobSet f, ZZCell c, Dimension ideal, Rectangle where) {
	float fract = (float)(where.height / (float)ideal.height);
	fact.makeFlob(f, c, c, fract, where.x, where.y, 1, where.width, 
		    where.height);
	
    }

    FlobDecorator linker = new StdLinks();
    
    public void raster(final FlobSet into, final FlobFactory fact,
		ZZCell view, String[] dims, ZZCell accursed) {
	final GridGeom geom = (GridGeom)this.geom;
	final Dimension ideal = fact.getSize(null, 1);
	final Dimension gs = geom.setSizes(ideal, into.getSize());

	final Hashtable done = new Hashtable();
	final Rectangle rect = new Rectangle();

	final int cx = gs.width / 2;
	final int cy = gs.height / 2;

	final ZZCell[] col = new ZZCell[row ? gs.height : gs.width];

	final int cmain = (row ? cy : cx);
	final int cother = (row ? cx : cy);


	// Do the dimensions.
	// Must do these first so that they get to be shown on top.
        if(true)
            ZZUtil.showFlobDims(into, fact, view, 3);

	
	// Do the single row/column
	ZZIter.alternate(accursed, true, dims[(row ? 1 : 0)], 1, 
	new ZZIter.NIter() {
	    public boolean go(ZZCell c, int nth) {
		nth += cmain;
		if(nth < 0 || nth >= col.length) return false;
		if(!repeat && done.get(c) != null) return false;
		col[nth] = c;
		done.put(c, c);
		if(row)
		    geom.getCell(cother, nth, rect);
		else 
		    geom.getCell(nth, cother, rect);
		place(fact, into, c, ideal, rect);
		return true;
	    }
	});

	final int lother = (row ? gs.width : gs.height);

	for(int i = 0; i<col.length; i++) {
	    final int coord = i;
	    ZZIter.alternate(col[i], false, dims[(row ? 0 : 1)], 1, 
	    new ZZIter.NIter() {
		public boolean go(ZZCell c, int nth) {
		    nth += cother;
		    if(nth < 0 || nth >= lother) return false;
		    if(!repeat && done.get(c) != null) return false;
		    done.put(c, c);
		    if(row)
			geom.getCell(nth, coord, rect);
		    else
			geom.getCell(coord, nth, rect);
		    place(fact, into, c, ideal, rect);
		    return true;
		}
	    });
	}

	linker.decorate(into, "", view);
    }



}
// vim: set syntax=java :