CaRMtl/rene/zirkel/constructors/BoundedPointConstructor.java

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/*
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz
This file is part of C.a.R. software.
C.a.R. is a free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
C.a.R. 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package rene.zirkel.constructors;
// file: PointConstructor.java
import java.util.ArrayList;
import java.util.Enumeration;
import java.awt.event.MouseEvent;
import eric.GUI.palette.PaletteManager;
import rene.util.xml.XmlTag;
import rene.util.xml.XmlTree;
import rene.gui.Global;
import rene.zirkel.ZirkelCanvas;
import rene.zirkel.construction.Construction;
import rene.zirkel.construction.ConstructionException;
import rene.zirkel.construction.Selector;
import rene.zirkel.objects.AreaObject;
import rene.zirkel.objects.ConstructionObject;
import rene.zirkel.objects.InsideObject;
import rene.zirkel.objects.PointObject;
import rene.zirkel.objects.PointonObject;
import rene.zirkel.objects.TwoPointLineObject;
public class BoundedPointConstructor extends ObjectConstructor implements
Selector {
boolean Control;
@Override
public void mousePressed(final MouseEvent e, final ZirkelCanvas zc) {
if (!zc.Visual) {
return;
}
Control=e.isControlDown();
final ConstructionObject o=zc.selectWithSelector(e.getX(), e.getY(),
this);
if (o==null) {
return;
}
final PointObject p=new PointObject(zc.getConstruction(), zc.x(e.getX()), zc.y(e.getY()), o);
if (!e.isShiftDown()) {
p.setUseAlpha(true);
}
// if (Control && o instanceof InsideObject) p.setInside(true);
if (o instanceof InsideObject) {
p.setInside(true);
}
if (zc.is3D()) { //Dibs : 2D -> 3D.
zc.validate(); //Dibs
if (((PointObject) p).getBound() instanceof AreaObject) {
AreaObject surface= (AreaObject) ((PointObject) p).getBound();
if (((AreaObject)surface).V.size()>2&&((PointObject) surface.V.get(0)).is3D()&&((PointObject) surface.V.get(1)).is3D()&&((PointObject) surface.V.get(2)).is3D()) {
try {
double x0=((PointObject) surface.V.get(0)).getX3D();
double y0=((PointObject) surface.V.get(0)).getY3D();
double z0=((PointObject) surface.V.get(0)).getZ3D();
double x1=((PointObject) surface.V.get(1)).getX3D();
double y1=((PointObject) surface.V.get(1)).getY3D();
double z1=((PointObject) surface.V.get(1)).getZ3D();
double x2=((PointObject) surface.V.get(2)).getX3D();
double y2=((PointObject) surface.V.get(2)).getY3D();
double z2=((PointObject) surface.V.get(2)).getZ3D();
double x_O=zc.getConstruction().find("O").getX();
double x_X=zc.getConstruction().find("X").getX();
double x_Y=zc.getConstruction().find("Y").getX();
double x_Z=zc.getConstruction().find("Z").getX();
double y_O=zc.getConstruction().find("O").getY();
double y_X=zc.getConstruction().find("X").getY();
double y_Y=zc.getConstruction().find("Y").getY();
double y_Z=zc.getConstruction().find("Z").getY();
double coeffa=(x1-x0)*(x_X-x_O)+(y1-y0)*(x_Y-x_O)+(z1-z0)*(x_Z-x_O);
double coeffb=(x2-x0)*(x_X-x_O)+(y2-y0)*(x_Y-x_O)+(z2-z0)*(x_Z-x_O);
double coeffc=(x1-x0)*(y_X-y_O)+(y1-y0)*(y_Y-y_O)+(z1-z0)*(y_Z-y_O);
double coeffd=(x2-x0)*(y_X-y_O)+(y2-y0)*(y_Y-y_O)+(z2-z0)*(y_Z-y_O);
double coeffe=p.getX()-x_O-x0*(x_X-x_O)-y0*(x_Y-x_O)-z0*(x_Z-x_O);
double coefff=p.getY()-y_O-x0*(y_X-y_O)-y0*(y_Y-y_O)-z0*(y_Z-y_O);
double alpha1=(coeffe*coeffd-coefff*coeffb)/(coeffa*coeffd-coeffb*coeffc);
double beta1=(coeffa*coefff-coeffc*coeffe)/(coeffa*coeffd-coeffb*coeffc);
((PointObject) p).setX3D(x0+alpha1*(x1-x0)+beta1*(x2-x0));
((PointObject) p).setY3D(y0+alpha1*(y1-y0)+beta1*(y2-y0));
((PointObject) p).setZ3D(z0+alpha1*(z1-z0)+beta1*(z2-z0));
((PointObject) p).setIs3D(true);
p.validate();
} catch (final Exception eBary) {
}
}
}
}
zc.addObject(p);
p.validate();
p.setDefaults();
}
@Override
public void mouseMoved(final MouseEvent e, final ZirkelCanvas zc,
final boolean simple) {
Control=e.isControlDown();
zc.indicateWithSelector(e.getX(), e.getY(), this);
}
@Override
public void showStatus(final ZirkelCanvas zc) {
zc.showStatus(Global.name("message.boundedpoint",
"Bounded Point: Choose a circle or line!"));
}
public boolean isAdmissible(final ZirkelCanvas zc,
final ConstructionObject o) {
// if (Control && o instanceof InsideObject) return true;
// else if (!Control && o instanceof PointonObject) return true;
if (o instanceof InsideObject) {
return true;
}
return false;
}
@Override
public boolean construct(final XmlTree tree, final Construction c)
throws ConstructionException {
if (!testTree(tree, "PointOn")) {
return false;
}
final XmlTag tag=tree.getTag();
if (!tag.hasParam("on")) {
throw new ConstructionException("Point bound missing!");
}
try {
final ConstructionObject o=(ConstructionObject) c.find(tag.getValue("on"));
if (o!=null&&!(o instanceof PointonObject)&&!(o instanceof InsideObject)) {
throw new ConstructionException("");
}
double x=0, y=0;
double x3D=0, y3D=0, z3D=0;
try {
x=new Double(tag.getValue("x")).doubleValue();
y=new Double(tag.getValue("y")).doubleValue();
} catch (final Exception e) {
}
try {
x3D=new Double(tag.getValue("x3D")).doubleValue();
y3D=new Double(tag.getValue("y3D")).doubleValue();
z3D=new Double(tag.getValue("z3D")).doubleValue();
} catch (final Exception e) {
}
PointObject p;
if (o!=null) {
p=new PointObject(c, x, y, o);
} else {
p=new PointObject(c, x, y);
p.setLaterBind(tag.getValue("on"));
}
p.setInside(tag.hasTrueParam("inside"));
try {
final double alpha=new Double(tag.getValue("alpha")).doubleValue();
p.setAlpha(alpha);
p.setUseAlpha(true);
if (tag.hasParam("on")) {
final ConstructionObject on=c.find(tag.getValue("on"));
if (on!=null) {
p.project(on, alpha);
}
}
} catch (final Exception e) {
}
if (tag.hasParam("shape")) {
final String s=tag.getValue("shape");
if (s.equals("square")) {
p.setType(0);
}
if (s.equals("diamond")) {
p.setType(1);
}
if (s.equals("circle")) {
p.setType(2);
}
if (s.equals("dot")) {
p.setType(3);
}
if (s.equals("cross")) {
p.setType(4);
}
if (s.equals("dcross")) {
p.setType(5);
}
}
if (tag.hasParam("boundorder")) {
p.setBoundOrder(Double.valueOf(tag.getValue("boundorder")).doubleValue());
}
if (tag.hasParam("is3D")) {
p.setIs3D(true);
p.move3D(x3D,y3D,z3D);
p.move(c.find("O").getX()+x3D*(c.find("X").getX()-c.find("O").getX())+y3D*(c.find("Y").getX()-c.find("O").getX())+z3D*(c.find("Z").getX()-c.find("O").getX()), c.find("O").getY()+x3D*(c.find("X").getY()-c.find("O").getY())+y3D*(c.find("Y").getY()-c.find("O").getY())+z3D*(c.find("Z").getY()-c.find("O").getY()));
}
setName(tag, p);
set(tree, p);
c.add(p);
setConditionals(tree, c, p);
if (tag.hasParam("fixed")) {
p.setFixed(tag.getValue("x"), tag.getValue("y"));
}
if (tag.hasParam("increment")) {
try {
p.setIncrement(new Double(tag.getValue("increment")).doubleValue());
} catch (final Exception e) {
}
}
} catch (final Exception e) {
e.printStackTrace();
throw new ConstructionException("Illegal point bound!");
}
return true;
}
@Override
public void reset(final ZirkelCanvas zc) {
super.reset(zc);
zc.setPrompt(Global.name("prompt.pointon"));
}
}