CaRMtl/rene/zirkel/tools/SetFixedAngle.java

126 lines
3.3 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.tools;
// file: SetRange.java
import java.awt.event.MouseEvent;
import rene.gui.Global;
import rene.zirkel.ZirkelCanvas;
import rene.zirkel.construction.Selector;
import rene.zirkel.constructors.ObjectConstructor;
import rene.zirkel.objects.AngleObject;
import rene.zirkel.objects.ConstructionObject;
import rene.zirkel.objects.ExpressionObject;
import rene.zirkel.objects.FixedAngleObject;
import rene.zirkel.objects.PointObject;
public class SetFixedAngle extends ObjectConstructor implements Selector {
ObjectConstructor OC;
FixedAngleObject A;
PointObject P1, P2, P3;
public SetFixedAngle(final ZirkelCanvas zc, final FixedAngleObject a,
final ObjectConstructor oc) {
A = a;
OC = oc;
a.setSelected(true);
zc.repaint();
}
@Override
public void mousePressed(final MouseEvent e, final ZirkelCanvas zc) {
if (P1 == null) {
final ConstructionObject o = zc.selectWithSelector(e.getX(), e
.getY(), this);
if (o == null)
return;
if (o instanceof PointObject) {
P1 = (PointObject) o;
P1.setSelected(true);
showStatus(zc);
zc.repaint();
} else if (o instanceof AngleObject
|| o instanceof FixedAngleObject
|| o instanceof ExpressionObject) {
A.setFixed(o.getName());
A.setDragable(false);
A.updateText();
reset(zc);
}
} else if (P2 == null) {
P2 = zc.selectPoint(e.getX(), e.getY());
if (P2 != null) {
P2.setSelected(true);
showStatus(zc);
zc.repaint();
}
} else {
P3 = zc.selectPoint(e.getX(), e.getY());
if (P3 == null)
return;
A.setFixed("a(" + P1.getName() + "," + P2.getName() + ","
+ P3.getName() + ")");
reset(zc);
}
}
@Override
public void mouseMoved(final MouseEvent e, final ZirkelCanvas zc,
final boolean simple) {
zc.indicateWithSelector(e.getX(), e.getY(), this);
}
@Override
public void showStatus(final ZirkelCanvas zc) {
if (P1 == null)
zc.showStatus(Global.name("message.setfixedangle.first"));
else if (P2 == null)
zc.showStatus(Global.name("message.setfixedangle.second"));
else
zc.showStatus(Global.name("message.setfixedangle.third"));
}
@Override
public void reset(final ZirkelCanvas zc) {
super.reset(zc);
zc.setTool(OC);
zc.validate();
zc.repaint();
}
@Override
public boolean useSmartBoard() {
return P2 != null;
}
public boolean isAdmissible(final ZirkelCanvas zc,
final ConstructionObject o) {
if ((o instanceof PointObject || o instanceof AngleObject
|| o instanceof FixedAngleObject || o instanceof ExpressionObject)
&& !zc.getConstruction().dependsOn(o, A))
return true;
return false;
}
}