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

141 lines
3.7 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;
import eric.JZirkelCanvas;
import eric.Media;
import java.awt.event.MouseEvent;
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.ImageObject;
import rene.zirkel.objects.PointObject;
public class ImageConstructor extends ObjectConstructor {
PointObject P[];
int NPoints;
@Override
public void mousePressed(final MouseEvent e, final ZirkelCanvas zc) {
if (!zc.Visual)
return;
final PointObject p = zc.selectCreatePoint(e.getX(), e.getY(), e.isAltDown());
if (p != null) {
P[NPoints++] = p;
p.setSelected(true);
zc.repaint();
}
showStatus(zc);
if (NPoints == 3) {
final String filename = zc.loadImage();
if (filename.equals("")) {
reset(zc);
return;
}
Media.createMedia(filename);
final ImageObject o = new ImageObject(zc.getConstruction(), P,
filename);
zc.addObject(o);
zc.clearSelected();
reset(zc);
zc.repaint();
}
}
@Override
public void showStatus(final ZirkelCanvas zc) {
if (NPoints <= 1)
zc.showStatus(ConstructionObject.text1(
Global.name("message.image"), "" + (NPoints + 1)));
else
zc.showStatus(Global.name("message.image.last"));
}
@Override
public void reset(final ZirkelCanvas zc) {
super.reset(zc);
if (zc.Visual) {
P = new PointObject[3];
NPoints = 0;
showStatus(zc);
} else {
zc.setPrompt(Global.name("prompt.image"));
}
}
@Override
public boolean construct(final XmlTree tree, final Construction c)
throws ConstructionException {
if (!testTree(tree, "Image"))
return false;
final XmlTag tag = tree.getTag();
for (int i = 0; i < 3; i++)
if (!tag.hasParam("point" + (i + 1)))
throw new ConstructionException("Image points missing!");
if (!tag.hasParam("filename"))
throw new ConstructionException("Image filename missing!");
try {
final PointObject P[] = new PointObject[3];
for (int i = 0; i < 3; i++)
P[i] = (PointObject) c.find(tag.getValue("point" + (i + 1)));
final String filename = JZirkelCanvas.getFilePath(c)+tag.getValue("filename");
Media.createMedia(filename);
final ImageObject p = new ImageObject(c, P, filename);
setName(tag, p);
set(tree, p);
c.add(p);
setConditionals(tree, c, p);
} catch (final ConstructionException e) {
throw e;
} catch (final Exception e) {
throw new ConstructionException("Image points illegal!");
}
return true;
}
public String getPrompt() {
return Global.name("prompt.image");
}
@Override
public String getTag() {
return "Image";
}
@Override
public void construct(final Construction c, final String name,
final String params[], final int nparams)
throws ConstructionException {
}
}