Files
gzz-mirror/Modules/virtualcommunity/VCView2.java
2026-09-14 20:19:29 -04:00

264 lines
6.0 KiB
Java

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