387 lines
9.5 KiB
Java
387 lines
9.5 KiB
Java
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/*
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Copyright 2006 Rene Grothmann, modified by Eric Hakenholz
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This file is part of C.a.R. software.
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C.a.R. is a free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 3 of the License.
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C.a.R. 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package rene.zirkel.objects;
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// file: PointObject.java
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import java.awt.FontMetrics;
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import java.io.BufferedReader;
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import java.io.StringReader;
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import java.util.Enumeration;
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import java.util.Vector;
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import rene.util.xml.XmlWriter;
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import rene.gui.Global;
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import rene.zirkel.ZirkelCanvas;
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import rene.zirkel.construction.Construction;
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import rene.zirkel.construction.Count;
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import rene.zirkel.expression.Expression;
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import rene.zirkel.expression.ExpressionColor;
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import rene.zirkel.expression.ExpressionString;
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import rene.zirkel.graphics.MyGraphics;
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import rene.zirkel.graphics.MainGraphics;
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public class TextObject extends ConstructionObject implements MoveableObject {
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protected double X, Y;
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Vector T;
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static Count N=new Count();
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double C, R, W, H;
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protected Expression EX, EY;
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protected boolean Fixed;
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protected boolean DoShow; // for replays
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public TextObject(final Construction c, final double x, final double y) {
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super(c);
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X=x;
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Y=y;
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T=new Vector();
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setColor(ColorIndex, SpecialColor);
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Valid=true;
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setLines("<txt>");
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}
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@Override
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public void setDefaults() {
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// setShowName(Global.getParameter("options.text.shownames",false));
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// setShowValue(Global.getParameter("options.text.showvalues",false));
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setShowName(true);
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setShowValue(true);
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setColor(Global.getParameter("options.text.color", 0), Global.getParameter("options.text.pcolor", (ExpressionColor) null, this));
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setColorType(Global.getParameter("options.text.colortype", 0));
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setHidden(Cn.Hidden);
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setObtuse(Cn.Obtuse);
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setSolid(Cn.Solid);
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setLarge(Cn.LargeFont);
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setBold(Cn.BoldFont);
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setPartial(Cn.Partial);
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}
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@Override
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public void setTargetDefaults() {
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setShowName(true);
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setShowValue(true);
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setColor(Global.getParameter("options.text.color", 0), Global.getParameter("options.text.pcolor", (ExpressionColor) null, this));
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setColorType(Global.getParameter("options.text.colortype", 0));
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}
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@Override
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public boolean nearto(final int x, final int y, final ZirkelCanvas zc) {
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if (!displays(zc)) {
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return false;
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}
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return C<=x&&R<=y&&x<=C+W&&y<=R+H;
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}
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@Override
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public String getTag() {
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return "Text";
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}
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@Override
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public int getN() {
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return N.next();
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}
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@Override
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public void updateText() {
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setText(getLines(), true);
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}
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@Override
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public void move(final double x, final double y) {
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X=x;
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Y=y;
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}
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@Override
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public void paint(final MyGraphics g, final ZirkelCanvas zc) {
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C=zc.col(X);
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R=zc.row(Y);
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// if (true) {
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// Enumeration e=T.elements();
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// String txt="";
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// while (e.hasMoreElements()) {
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// String s = ((ExpressionString) e.nextElement()).evaluate();
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// txt=txt+s+"coucou\n";
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// }
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// g.drawLaTeXString(txt,C,R);
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// return;
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// }
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if (mustHide(zc)) {
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return;
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}
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final boolean hidden=Hidden;
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if (DoShow) {
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Hidden=false;
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}
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g.setColor(this);
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setFont(g);
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if (DoShow) {
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Hidden=hidden;
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}
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FontMetrics fm=g.getFontMetrics();
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W=H=fm.getHeight();
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final Enumeration e=T.elements();
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double r=R;
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while (e.hasMoreElements()) {
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String s=((ExpressionString) e.nextElement()).evaluate();
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boolean bold=false, large=false;
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if (s.startsWith("***")) {
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s=s.substring(3);
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bold=large=true;
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} else if (s.startsWith("**")) {
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s=s.substring(2);
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large=true;
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} else if (s.startsWith("*")) {
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s=s.substring(1);
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bold=true;
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}
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if (isStrongSelected()) {
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((MainGraphics) g).drawMarkerRect(C, r, 10, 10);
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g.setColor(this);
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}
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g.setFont(large, bold);
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// r+=g.drawLaTeXString(s, C, r);
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r += g.drawStringExtended(s, C, r);
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W=Math.max(W, ((MainGraphics) g).getW());
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// W=Math.max(W, fm.stringWidth(s));
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}
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H=r-R;
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}
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@Override
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public boolean mustHide(final ZirkelCanvas zc) {
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return super.mustHide(zc)&&!(Valid&&DoShow);
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}
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@Override
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public void validate() {
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Valid=true;
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if (Fixed&&EX!=null&&EX.isValid()) {
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try {
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X=EX.getValue();
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} catch (final Exception e) {
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Valid=false;
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return;
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}
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}
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if (Fixed&&EY!=null&&EY.isValid()) {
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try {
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Y=EY.getValue();
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} catch (final Exception e) {
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Valid=false;
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return;
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}
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}
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}
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@Override
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public String getLines() {
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String S="";
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final Enumeration e=T.elements();
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while (e.hasMoreElements()) {
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final String s=((ExpressionString) e.nextElement()).toString();
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S=S+s;
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if (e.hasMoreElements()) {
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S=S+"\n";
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}
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}
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return S;
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}
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@Override
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public void setLines(String o) {
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if (o.equals("")) {
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o="<txt>";
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}
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final Vector w=new Vector();
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try {
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final BufferedReader in=new BufferedReader(new StringReader(o));
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while (true) {
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final String s=in.readLine();
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if (s==null) {
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break;
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}
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w.addElement(new ExpressionString(s, this));
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}
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in.close();
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} catch (final Exception e) {
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}
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T=w;
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updateText();
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}
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@Override
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public String getDisplayValue() {
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return "("+roundDisplay(X)+","+roundDisplay(Y)+")";
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}
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@Override
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public double getX() {
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return X;
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}
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@Override
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public double getY() {
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return Y;
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}
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@Override
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public void printArgs(final XmlWriter xml) {
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if (Fixed&&EX!=null&&EX.isValid()) {
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xml.printArg("x", EX.toString());
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} else {
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xml.printArg("x", ""+X);
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}
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if (Fixed&&EY!=null&&EY.isValid()) {
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xml.printArg("y", EY.toString());
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} else {
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xml.printArg("y", ""+Y);
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}
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if (Fixed) {
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xml.printArg("fixed", "true");
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}
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}
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public boolean moveable() {
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return !Fixed;
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}
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@Override
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public boolean fixed() {
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return Fixed;
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}
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@Override
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public void setFixed(final boolean flag) {
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Fixed=flag;
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if (!Fixed) {
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EX=EY=null;
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}
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updateText();
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}
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@Override
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public void setFixed(final String x, final String y) {
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Fixed=true;
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EX=new Expression(x, getConstruction(), this);
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EY=new Expression(y, getConstruction(), this);
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updateText();
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}
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@Override
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public String getEX() {
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if (EX!=null) {
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return EX.toString();
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} else {
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return ""+round(X);
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}
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}
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@Override
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public String getEY() {
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if (EY!=null) {
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return EY.toString();
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} else {
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return ""+round(Y);
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}
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}
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public void setDoShow(final boolean flag) {
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DoShow=flag;
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}
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@Override
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public void snap(final ZirkelCanvas zc) {
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final double d=zc.getGridSize()/2;
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X=Math.round(X/d)*d;
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Y=Math.round(Y/d)*d;
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}
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@Override
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public void translate() {
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if (Fixed) {
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try {
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setFixed(EX.toString(), EY.toString());
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EX.translate();
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EY.translate();
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} catch (final Exception e) {
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}
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}
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}
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@Override
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public Enumeration depending() {
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super.depending();
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final Enumeration e=T.elements();
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while (e.hasMoreElements()) {
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((ExpressionString) e.nextElement()).addDep(this);
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}
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if (Fixed) {
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if (EX!=null) {
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EX.addDep(this);
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}
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if (EY!=null) {
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EY.addDep(this);
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}
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}
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return DL.elements();
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}
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@Override
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public boolean canDisplayName() {
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return false;
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}
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double oldx, oldy, startx, starty;
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public void startDrag(final double x, final double y) {
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oldx=X;
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oldy=Y;
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startx=x;
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starty=y;
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}
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public void dragTo(final double x, final double y) {
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move(oldx+(x-startx), oldy+(y-starty));
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}
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public double getOldX() {
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return oldx;
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}
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public double getOldY() {
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return oldy;
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}
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}
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