CaRMtl/rene/zirkel/objects/PlumbObject.java
2018-09-04 22:51:42 -04:00

176 lines
3.4 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.objects;
// file: PlumbObject.java
import java.util.Enumeration;
import rene.util.xml.XmlWriter;
import rene.gui.Global;
import rene.zirkel.ZirkelCanvas;
import rene.zirkel.construction.Construction;
import rene.zirkel.construction.Count;
public class PlumbObject extends PrimitiveLineObject implements MoveableObject {
PrimitiveLineObject L;
static Count N = new Count();
protected boolean Restricted = false;
public PlumbObject(final Construction c, final PrimitiveLineObject l,
final PointObject p) {
super(c);
P1 = p;
L = l;
validate();
updateText();
}
@Override
public String getTag() {
return "Plumb";
}
@Override
public int getN() {
return N.next();
}
@Override
public void updateText() {
setText(text2(Global.name("text.plumb"), P1.getName(), L.getName()));
}
@Override
public void validate() {
if (!P1.valid() || !L.valid())
Valid = false;
else {
Valid = true;
X1 = P1.getX();
Y1 = P1.getY();
DX = -L.getDY();
DY = L.getDX();
if (L instanceof SegmentObject
&& ((SegmentObject) L).getLength() == 0) {
Valid = false;
}
if (Restricted) {
if (!L.contains(X1, Y1))
Valid = false;
}
}
}
@Override
public void printArgs(final XmlWriter xml) {
xml.printArg("point", P1.getName());
xml.printArg("line", L.getName());
if (!Restricted)
xml.printArg("valid", "true");
super.printArgs(xml);
}
public boolean isRestricted() {
return Restricted;
}
public void setRestricted(final boolean flag) {
Restricted = flag;
}
public boolean canRestrict() {
return (L instanceof SegmentObject) || (L instanceof RayObject);
}
@Override
public void setMainParameter(boolean b) {
MainParameter = true;
}
@Override
public Enumeration depending() {
super.depending();
return depset(P1, L);
}
@Override
public void translate() {
P1 = (PointObject) P1.getTranslation();
L = (PrimitiveLineObject) L.getTranslation();
}
@Override
public boolean contains(final PointObject p) {
return p == P1;
}
@Override
public boolean hasUnit() {
return false;
}
public void dragTo(final double x, final double y) {
P1.move(x1 + (x - x3), y1 + (y - y3));
}
@Override
public void move(final double x, final double y) {
}
public boolean moveable() {
if (P1.moveable()) {
return true;
}
return false;
}
double x1, y1, x2, y2, x3, y3;
public void startDrag(final double x, final double y) {
x1 = P1.getX();
y1 = P1.getY();
x3 = x;
y3 = y;
}
public double getOldX() {
return 0;
}
public double getOldY() {
return 0;
}
@Override
public void snap(final ZirkelCanvas zc) {
if (moveable()) {
P1.snap(zc);
}
}
public PrimitiveLineObject getL(){
return L;
}
}