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444
Modules/virtualcommunity/VirtualCommunity.zob
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444
Modules/virtualcommunity/VirtualCommunity.zob
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/*
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VirtualCommunity.zob
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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 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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/** A simple cell factory that gives the cells as one-line strings.
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* Variable length is possible.
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* UGLY: ALL PARAMS HERE.
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*/
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public abstract class VirtualCommunity implements FlobView, ZOb {
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public static final String rcsid = "$Id: VirtualCommunity.zob,v 1.36 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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// some parameters would be needed, propably
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STRUCTPARAMS {
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Font font
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= new Font("SansSerif", Font.PLAIN, 11);
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ZOb ftextlayouter
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= new FTextLayouter();
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double left
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= 0.1;
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double middle
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= 0.4;
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double right
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= 0.3;
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double middleHeight
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= 0.5;
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int xpad
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= 5;
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int ypad
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= 5;
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Color linecol
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= Color.white;
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float magfract
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= 0.8f;
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float rotunit
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= 0.0f;
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int view2depth
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= 4;
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float[] view2ctr // 2..2
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= new float[] {0.35f, 0.5f};
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float view2wid
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= 0.22f;
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float view2fract
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= 1.4f;
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}
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/** Bold and italic derivatives of the font given.
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* The first index is the level of the text i.e.
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* from paragraph to H1.
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*/
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Font[][][] bifonts;
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FontMetrics[][][] bifontms;
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INITIALIZE {
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bifonts = new Font[7][2][2];
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bifontms = new FontMetrics[7][2][2];
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for(int l = 0; l < bifonts.length; l++) {
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int size = font.getSize();
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if(l > 0 && l < 5) size += l-1;
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if(l == 5) size += 6;
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if(l == 6) size += 9;
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bifonts[l][1][0] = new Font(font.getName(),
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Font.BOLD, size);
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bifonts[l][1][1] = new Font(font.getName(),
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Font.BOLD | Font.ITALIC, size);
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if(l == 0) {
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bifonts[l][0][0] = new Font(font.getName(), 0, size);
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bifonts[l][0][1] = new Font(font.getName(),
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Font.ITALIC, size);
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} else { // All bold for headers
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bifonts[l][0][0] = bifonts[l][1][0];
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bifonts[l][0][1] = bifonts[l][1][1];
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}
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for(int b = 0; b<2; b++)
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for(int i = 0; i<2; i++)
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bifontms[l][b][i] = FONTMETRICS(bifonts[l][b][i]);
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}
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}
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Color linkcolor = Color.red;
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Color default_bgcolor = Color.white;
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static String text = "d.text";
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static String handle = "d.kahva";
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static String author = "d.author";
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static String replies = "d.replies";
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static String replies_list = "d.replies-list";
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static protected class Foobar implements ZZObs {
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private void add() {
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vc.h("d.cursor-cargo", -1, this).
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h("d.cursor-list", -1, this).s("d.cursor", -1, this);
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}
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public void chg() {
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ZZCell targ = ZZCursorReal.get(vc).h(text);
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ZZCell hist = ZZDefaultSpace.findInheritableParam(vc,"history");
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if (targ.h("d.1").equals(hist)) {
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p("Historical item");
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histpos = targ;
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add();
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return;
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}
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ZZCell it = hist.s("d.1");
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while (!it.equals(histpos) && !ZZCursorReal.get(it).equals(targ))
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it = it.s("d.1");
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if (!it.equals(histpos)) {
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histpos = it;
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ZZCursorReal.set(vc, histpos);
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} else if (!targ.equals(ZZCursorReal.get(histpos))) {
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if (histpos.s("d.1") != null) histpos.disconnect("d.1",1);
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histpos = histpos.N("d.1");
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ZZCursorReal.setcursor(histpos, targ);
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}
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add();
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}
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public void init(ZZCell _vc, ZZCell hilite) {
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if (inited == false || !_vc.equals(vc)) {
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vc = _vc;
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histpos = hilite;
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inited = true;
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}
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add();
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}
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boolean inited = false;
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ZZCell vc;
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public ZZCell histpos;
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}
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static protected Foobar histobs = new Foobar();
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// flobFactories
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MessageFlobFactory blobs = new MessageFlobFactory();
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MessageFlobFactory center = new MessageFlobFactory();
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MessageFlobFactory sibl = new MessageFlobFactory(this);
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FlobFactory history = new MessageFlobFactory();
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boolean nohistory = true;
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/** Cut fracts into reasonable range.
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*/
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protected final float cfr(float fr) {
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if (fr < 0.7f) return 0.7f;
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if (fr > 2.0f) return 1.5f;
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return fr;
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}
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abstract public void raster( FlobSet into, FlobFactory fact,
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ZZCell view, String[] dims, ZZCell accursed);
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static public ZZModule module = new ZZModule() {
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public void action(String id,
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ZZCell code,
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ZZCell target,
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ZZView view, ZZView cview,
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String key, Point pt, ZZScene xi) {
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if(id.equals("NEW")) {
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} else {
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p("Unknown VC module action: "+id);
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}
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}
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public ZOb newZOb(String id) {
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if(id.equals("View"))
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return new VCView2();
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if(id.equals("View2"))
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return new VCView2();
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if(id.equals("View3"))
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return new VCView3();
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if(id.equals("View4"))
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return new VCView4();
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else
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return null;
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}
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};
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class VCLinker implements FlobDecorator{
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public void decorate(FlobSet f, String path, ZZCell view) {
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}
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}
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class LinkFlob extends Flob {
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int n = 4;
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int[] xs = new int[n];
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int[] ys = new int[n];
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// Color fg = new Color(0xa6dbac);
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Color fg = new Color(0x86bbac);
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public LinkFlob(int x, int y, int x1, int y1, int x2, int y2) {
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super(x,y,1,x1-x,y2-y1,null);
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xs[0] = x;
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xs[1] = x1;
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xs[2] = x2;
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ys[0] = y;
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ys[1] = y1;
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ys[2] = y2;
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n = 3;
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}
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public LinkFlob(int x, int y, int x1, int y1, int x2, int y2, int x3, int y3) {
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super(x,y,1,x1-x,y2-y1,null);
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xs[0] = x;
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xs[1] = x1;
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xs[2] = x2;
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xs[3] = x3;
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ys[0] = y;
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ys[1] = y1;
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ys[2] = y2;
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ys[3] = y3;
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n = 4;
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}
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public void render(Graphics g, int mx, int my, int md,
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int mw, int mh) {
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Color old = g.getColor();
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g.setColor(fg );
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g.fillPolygon(xs, ys, n);
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g.setColor(old);
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}
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}
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Hashtable prods;
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class Dfoo{
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int d;
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Dfoo(int d){
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this.d = d;
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}
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}
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/**
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*
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*/
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void product(ZZCell c, Point p){
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if(c == null ) return;
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if( prods == null) prods = new Hashtable();
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// XXX overwrites...
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prods.put(c, p);
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}
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public void messagesFromProd(FlobSet into, ZZCell c, float fract){
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messagesFrom(into,c,fract,handle);
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}
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public void messagesFrom(FlobSet into, ZZCell c, float fract,
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String dim){
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ZZCell d = c.h(text,-1);
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int xpad = 5;
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int ypad = 5;
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int y = ypad;
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int w = 100;
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int h = into.getSize().height;
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int x = into.getSize().width - w - xpad;
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int l = d.getRankLength(dim) -1;
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pa("L = " + l);
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if( l < 1 ) return;
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int hd = h/l;
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hd -= ypad;
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int depth = 1;
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Flob flob = sibl.getSFlob().getFlobSet().findFlob(null,c);
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Point pnt = flob.getPoint(1,0);
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int cx = pnt.x;//into.getSize().width/2;
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int cy = pnt.y;
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d = d.s(dim,1);
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ZZCell tmp = d;
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while(d != null){
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// make flob
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tmp = d.h(text,-1);
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sibl.makeFlob(into, tmp, tmp, cfr(fract),
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x, y, depth, w,hd,
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0, false);
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// draw link
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into.add(new LinkFlob(cx,cy,
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x,y+ypad,
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x,y+hd-ypad));
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d = d.s(dim,1);
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y+=hd + ypad;
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}
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}
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boolean isProd(ZZCell c){
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p("isProd: " + c);
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c = c.h(text,-1);
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if( c == null ) return false;
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if( c.h(handle,-1) == c && c.s(handle,1) != null){
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p("TRUE");
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return true;
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}
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return false;
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}
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boolean isAuthor(ZZCell c){
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if( c.h(author,-1) == c && c.s(author,1) != null )
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return true;
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return false;
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}
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ZZCell getAuthor(ZZCell c){
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ZZCell d = c.h(text,-1);
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d = d.h(author,-1);
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return d;
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}
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void addAuthor(FlobSet into, ZZCell c, float fract){
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if( isAuthor(c) ) return;
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p("add author");
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if( c==null) return;
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ZZCell a = getAuthor(c);
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if( a == null ) return;
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Dimension d = into.getSize();
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int xpad = 5;
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int ypad = 5;
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int w = d.width / 5;
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int h = d.height / 5;
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int x = 0+xpad;
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int y = d.height - h-ypad;
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int depth = 1;
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sibl.makeFlob(into,a,a, fract,
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x,y,depth,w,h,0,false);
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Flob fl = into.findFlob(null, c);
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Point p = fl.getPoint(-1,0);
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into.add(new LinkFlob(p.x+5, p.y, p.x,p.y, x+w, y,x+w+5,y));
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}
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/**
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*
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*/
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public void drawProducts(FlobSet into, float fraction,
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Dimension dp){
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// draw products from cells
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p("cells");
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if( prods == null || prods.size() < 1 ) return ;
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int nprods = prods.size();
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int upperH = dp.height;
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int w = into.getSize().width;
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int ypad = 5;
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int y = ypad;
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int xpad = 10;
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int x = xpad/2;
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int wd = w/(nprods);
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int d = 1;
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int dprod = 1;
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if( wd > w/2 ) wd = w/2;
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//FlobSet fs = sibl.getFlobSet();
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wd -= xpad;
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for(Enumeration e = prods.keys();
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e.hasMoreElements();){
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ZZCell cell = (ZZCell)e.nextElement();
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Point p = (Point)prods.get(cell);
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//Dimension pd = blobs.getSize(cells[i], fraction);
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//if ( pd == null ) continue;
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sibl.makeFlob(into, cell, cell, fraction,x,y,d,
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wd,upperH, 0, false);
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int center = x+wd/2;
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into.add(new LinkFlob(center+5, upperH, center, upperH,
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p.x,p.y,p.x+5,p.y));
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x += wd + xpad;
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}
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}
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}
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// vim: set syntax=java :
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Reference in New Issue
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