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Modules/virtualcommunity/VCView2.java
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263
Modules/virtualcommunity/VCView2.java
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/*
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VCView2.java
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*
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* Copyright (c) 2001, 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 and Vesa Parkkinen
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*/
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package org.gzigzag.module;
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import org.gzigzag.*;
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import java.util.*;
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import java.awt.*;
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/** Second, cardstack-like virtualcommunity view.
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*/
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public class VCView2 extends VirtualCommunity {
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public static final String rcsid = "$Id: VCView2.java,v 1.20 2001/02/28 10:18:20 tjl Exp $";
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public static boolean dbg = false;
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private static void p(String s) { if(dbg) ZZLogger.log(s); }
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private static void pa(String s) { ZZLogger.log(s); }
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public void childSeries( FlobSet into, ZZCell cur, int x, int y,
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int w, float fract, int orot, int dir, int depth) {
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ZZCell s;
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if(cur.s(replies) != null) {
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s = cur.s(replies).s(replies_list);
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if(s != null)
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siblingSeries(into, s, x, y,
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w, fract*magfract, orot, 1, depth+1);
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}
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}
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static int borderLimit = 10;
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final int rotinc = 1;
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final int SCOFFS = 10;
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double[]sins = new double[SCOFFS * 2];
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double[]coss = new double[SCOFFS * 2];
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// Point mkp(
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void addVert(Point p, double h, int rot) {
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p("Addvert: "+p+" "+h+" "+rot);
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p.x -= (int)(sins[rot+SCOFFS] * h);
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p.y += (int)(coss[rot+SCOFFS] * h);
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p("Ret: "+p);
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}
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void addHoriz(Point p, double w, int rot) {
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p.x += (int)(coss[rot+SCOFFS] * w);
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p.y += (int)(sins[rot+SCOFFS] * w);
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}
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int getWid(int w, float fract) {
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return (int)(w * Math.sqrt(fract));
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}
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int overlap = 10;
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int bend = -5;
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public void siblingSeries( FlobSet into, ZZCell cur, int x, int y,
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int w,
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float fract, int orot, int dir, int depth) {
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if(depth >= view2depth) return;
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Dimension rd = into.getSize();
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ZZCell s;
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int rot = 0;//orot;
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Point curpoint = new Point(x,y);
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Point upstart, downstart;
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Point tmp = new Point();
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// We do things differently depending on where we are.
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// If going to positive direction, first see if we have odd
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// or even number of cells and either put a cell in the middle
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// or not
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boolean domiddle = true;
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if(dir == 1) {
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cur = cur.h(replies_list);
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int count = cur.getRankLength(replies_list) - 1;
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if(count % 2 == 0) {
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domiddle = false;
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}
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// Either upper or middle
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cur = cur.s(replies_list, (count+1)/2);
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}
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int cw = getWid(w,fract);
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if(domiddle) {
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int h = sibl.getHeight(cur, cfr(fract), cw);
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// h /= depth+1;
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// h = (int)(80*fract);
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// If not parent, put children for this center blob
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if(dir >= 0) {
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Point px = new Point(curpoint);
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addHoriz(px, cw, rot);
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childSeries(into, cur,
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px.x, px.y,
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w, fract, orot, 1, depth);
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}
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addVert(curpoint, -h/2, rot);
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sibl.makeFlob(into, cur, cur, cfr(fract),
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curpoint.x, curpoint.y, 10, cw, h,
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rotunit * orot,
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(dir == 0));
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upstart = new Point(curpoint);
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downstart = new Point(curpoint);
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addVert(downstart, h, rot);
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} else {
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upstart = new Point(curpoint);
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downstart = new Point(curpoint);
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}
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float cf = fract;
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s=cur;
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if(domiddle) s = s.s(replies_list, -1);
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for(; s != null; s = s.s(replies_list, -1)) {
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// if(cy <= borderLimit) break;
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// Don't do relcell
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if(s.s(replies_list, -1) == null) break;
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cf *= magfract;
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rot -= rotinc;
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cw = getWid(w,cf);
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int ch = sibl.getHeight(s, cfr(cf), cw);
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// ch /= depth+1;
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// ch = (int)(80*cf);
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addVert(upstart, -ch + overlap, rot);
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addHoriz(upstart, bend, rot);
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sibl.makeFlob(into, s, s, cfr(cf),
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upstart.x, upstart.y,
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10, cw, ch,
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rotunit * rot,
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false);
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tmp.setLocation(upstart);
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addVert(tmp, ch/2, rot);
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addHoriz(tmp, cw, rot);
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childSeries(into, s,
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tmp.x, tmp.y,
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w, cf, rot, 1, depth);
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}
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cf = fract;
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s=cur;
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rot = orot;
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while((s = s.s(replies_list, +1))!=null) {
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// if(cy >= rd.height-borderLimit) break;
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cf *= magfract;
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rot += rotinc;
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cw = getWid(w,cf);
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addHoriz(downstart, bend, rot);
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addVert(downstart, - overlap, rot);
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int ch = sibl.getHeight(s, cfr(cf), cw);
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// ch = (int)(80*cf);
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// ch /= depth+1;
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sibl.makeFlob(into, s, s, cfr(cf),
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downstart.x, downstart.y,
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10, cw, ch,
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rotunit * rot,
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false);
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tmp.setLocation(downstart);
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addVert(tmp, ch/2, rot);
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addHoriz(tmp, cw, rot);
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childSeries(into, s,
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tmp.x, tmp.y,
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w, cf, rot, 1, depth);
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addVert(downstart, ch, rot);
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}
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// Parents
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s = cur.h(replies_list).s(replies, -1);
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if(dir <= 0 && s != null)
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siblingSeries(
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into, s, x - getWid(w, fract*magfract),
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y, w, (float)(fract * magfract),
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orot, -1, depth+1);
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}
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public void raster( FlobSet into, FlobFactory fact,
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ZZCell view, String[] dims, ZZCell accursed){
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accursed=accursed.h(text);
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Dimension rd = into.getSize();
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Dimension d = rd;
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Dimension dprod = new Dimension(rd.width,70);
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// Current rotation
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double rot = 0;
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{
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for(int i=0; i<SCOFFS*2; i++) {
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sins[i] = Math.sin((i-SCOFFS)*rotunit);
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coss[i] = Math.cos((i-SCOFFS)*rotunit);
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}
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}
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p("Rotunit: "+rotunit);
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siblingSeries(into, accursed,
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(int)(view2ctr[0] * d.width),
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(int)(view2ctr[1] * d.height),
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(int)(view2wid * d.width),
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(float)view2fract, 0, 0, 0);
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if(isProd(accursed)){
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messagesFromProd(into,accursed,(float)1.0);
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return;
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}else if(isAuthor(accursed)){
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messagesFrom(into,accursed,(float)1.0, author);
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return;
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}
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addAuthor(into,accursed,1.0f);
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drawProducts(into, (float)1.0, dprod);
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}
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}
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