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