CaRMtl/rene/zirkel/constructors/RayConstructor.java
2018-09-04 22:51:42 -04:00

122 lines
3.9 KiB
Java

/*
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: RayConstructor.java
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.objects.ConstructionObject;
import rene.zirkel.objects.PointObject;
import rene.zirkel.objects.RayObject;
public class RayConstructor extends LineConstructor {
@Override
public ConstructionObject create(final Construction c,
final PointObject p1, final PointObject p2) {
return new RayObject(c, p1, p2);
}
@Override
public void showStatus(final ZirkelCanvas zc) {
if (P1==null) {
zc.showStatus(Global.name("message.ray.first",
"Ray: Set the root point!"));
} else {
zc.showStatus(Global.name("message.ray.second",
"Ray: Set the second point!"));
}
}
@Override
public boolean construct(final XmlTree tree, final Construction c)
throws ConstructionException {
if (!testTree(tree, "Ray")) {
return false;
}
final XmlTag tag=tree.getTag();
if (!tag.hasParam("from")||!tag.hasParam("to")) {
throw new ConstructionException("Ray points missing!");
}
try {
final PointObject p1=(PointObject) c.find(tag.getValue("from"));
final PointObject p2=(PointObject) c.find(tag.getValue("to"));
final RayObject o=new RayObject(c, p1, p2);
if (tag.hasParam("partial")) {
o.setPartial(true);
}
setName(tag, o);
set(tree, o);
c.add(o);
setConditionals(tree, c, o);
} catch (final ConstructionException e) {
throw e;
} catch (final Exception e) {
e.printStackTrace();
throw new ConstructionException("Ray points illegal!");
}
return true;
}
@Override
public String getPrompt() {
return Global.name("prompt.ray");
}
@Override
public String getTag() {
return "Ray";
}
@Override
public void construct(final Construction c, final String name,
final String params[], final int nparams)
throws ConstructionException {
if (nparams!=2) {
throw new ConstructionException(Global.name("exception.nparams"));
}
final ConstructionObject P1=c.find(params[0]);
if (P1==null) {
throw new ConstructionException(Global.name("exception.notfound")+" "+params[0]);
}
final ConstructionObject P2=c.find(params[1]);
if (P2==null) {
throw new ConstructionException(Global.name("exception.notfound")+" "+params[1]);
}
if (!(P1 instanceof PointObject)) {
throw new ConstructionException(Global.name("exception.type")+" "+params[0]);
}
if (!(P2 instanceof PointObject)) {
throw new ConstructionException(Global.name("exception.type")+" "+params[1]);
}
final RayObject s=new RayObject(c, (PointObject) P1, (PointObject) P2);
c.add(s);
s.setDefaults();
if (!name.equals("")) {
s.setNameCheck(name);
}
}
}