142 lines
4.0 KiB
Java
142 lines
4.0 KiB
Java
/*
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ZaubertrankCellView.zob
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*
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* Copyright (c) 2001, Benja Fallenstein
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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 Benja Fallenstein
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*/
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package org.gzigzag;
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import java.util.*;
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import java.awt.*;
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/** A cell view for showing one zaubertrank statement/entity/sentence etc.
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* This is assembled from a number of tokens.
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*/
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public class ZaubertrankCellView extends FTextCellView {
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public static final String rcsid = "$Id: ZaubertrankCellView.java,v 1.1 2001/04/02 20:23:13 bfallenstein 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 static String zttext = "d.zt-text";
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public static String ztparams = "d.zt-params", ztvalue = "d.zt-value";
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public static String zttype = "d.zt-type";
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/** Add the FText parts for the token at c0 to the vector. */
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final void addToken(Vector v, ZZCell c0, Color bg, int scale) {
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p("add token "+c0);
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/** The background color to pass on to subordinate tokens.
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* The background of an accursed token is the color of the cursor;
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* the backgrounds of the subordinate tokens are lighter.
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*/
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Color newBg = bg;
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// See whether there's a cursor accursing the token, and take its color.
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Color col = ZZCursorReal.getAccursedColor(c0);
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/* This looks awkward when the cell the cellview's called with is used.
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if(col == null) {
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ZZCell parcell = c0.s(ztvalue, -1);
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if(parcell != null)
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col = ZZCursorReal.getAccursedColor(parcell);
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}
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*/
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if(col != null) {
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bg = col;
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newBg = col.brighter();
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}
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// Add the token's text.
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for(ZZCell c = c0.getRootclone().s(zttext); c != null; c = c.s(zttext)) {
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if(c.getRootclone().equals(c))
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addCellPart(v, c, bg, scale);
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else
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addSubordinateToken(v, c0, c, newBg, scale);
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}
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}
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final void addSubordinateToken(Vector v, ZZCell c0, ZZCell c,
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Color bg, int scale) {
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p("add subtoken "+c0+" "+c);
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ZZCell root0 = c0.getRootclone(), root = c.getRootclone();
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/** The distance between root and root0 on d.zt-params.
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*/
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int n = 0;
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for(ZZCell d = root; d != root0; d = d.s(ztparams, -1)) {
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if(d == null)
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throw new SyntaxError("Found a param in a token's text which "
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+ "is not on the token's params list. Token: " + c0
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+ ", param: " + c);
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n++;
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}
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ZZCell param = c0.s(ztparams, n), val = null;
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if(param != null) val = param.s(ztvalue);
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if(val != null)
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addToken(v, val, bg, scale);
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else
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addTypeQuestion(v, root, param, bg, scale);
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}
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final void addTypeQuestion(Vector v, ZZCell root, ZZCell param,
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Color bg, int scale) {
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p("add type question "+root+" "+param);
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if(param != null) {
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Color col = ZZCursorReal.getAccursedColor(param);
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if(col != null) bg = col;
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}
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ZZCell type = root.h(zttype, true);
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if(type == null)
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throw new SyntaxError("No type assigned to param: " + param);
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addCellPart(v, type, bg, scale);
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}
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/** Get the FText for this cell at the given scale.
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* scale == fract * 1000.
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*/
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protected FText getFText(ZZCell c0, int scale) {
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ZZCell c = c0.s(ztvalue);
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if(c == null) return new FText(new FText.Part[0]);
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Vector v = new Vector();
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addToken(v, c, null, scale);
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return new FText(v);
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}
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/** Add a cell part to the vector of FText parts. */
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final void addCellPart(Vector v, ZZCell c, Color bg, int scale) {
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v.addElement(new FText.CellPart(c, 0, -1, f(scale), fm(scale),
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bg, null));
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}
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}
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