84 lines
2.3 KiB
Java
84 lines
2.3 KiB
Java
/*
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GTreePartTestModel.java
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*
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* Copyright (c) 2000, Ted Nelson and Tuomas Lukka
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Tuomas Lukka
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*/
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package org.gzigzag;
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import java.util.*;
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/** A simple model to test GenTreePart.
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* The same model as ImpliedTreePart has, except that the depth
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* numbers are reversed and are 0, 1, 2 and 3.
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* The actual cells in the stream are not included in the tree, only
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* the section marker cells.
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* @see GenTreePart
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*/
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public class GenTreeTestModel implements GenTreePartModel {
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public static final String rcsid = "$Id: GenTreeTestModel.java,v 1.1 2000/11/16 00:25:10 tjl Exp $";
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public static boolean dbg = true;
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final static void p(String s) { if(dbg) System.out.println(s); }
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final static void pa(String s) { System.out.println(s); }
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public int depth() {
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return 4;
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}
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public int depth(ZZCell c) {
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if(c.s("d.1") == null)
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return -1;
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// So the int it 0..3
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return Integer.parseInt(c.getText());
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}
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public ZZCell getNext(int mindepth, ZZCell c, int steps) {
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if(steps == 0) return c;
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c = c.s("d.1");
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int dir = (steps > 0 ? 1 : -1);
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ZZCell lasthdr = null;
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while(steps != 0 && c != null) {
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c = c.s("d.2", dir);
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if(c == null) return null;
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lasthdr = c.s("d.1", -1);
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if(lasthdr == null) continue;
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if(depth(lasthdr) < mindepth) continue;
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steps -= dir;
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}
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if(c == null) return null;
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return lasthdr;
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}
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public void disconnectNeg(ZZCell c) {
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p("Model: disconnectneg "+c);
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c.h("d.1", 1).disconnect("d.2", -1);
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}
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public void connect(ZZCell c, ZZCell d) {
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p("Model: connect "+c+" "+d);
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c.h("d.1", 1).h("d.2", 1).connect("d.2", d.h("d.1", 1));
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}
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public void setDepth(ZZCell c, int d) {
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if(depth(c) == 0) return;
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c.setText(""+d);
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}
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}
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