68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
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//This file is part of SECONDO.
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//Copyright (C) 2004, University in Hagen, Department of Computer Science,
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//Database Systems for New Applications.
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//SECONDO is 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; either version 2 of the License, or
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//(at your option) any later version.
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//SECONDO 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 SECONDO; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package viewer.spatial3D;
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import viewer.Spatial3DViewer;
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import tools.Reporter;
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import javax.media.j3d.*;
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import com.sun.j3d.utils.picking.*;
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import com.sun.j3d.utils.picking.behaviors.*;
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import com.sun.j3d.utils.geometry.*;
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import com.sun.j3d.utils.behaviors.mouse.*;
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/**
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* This class is used to select the objects of a relation in the display.
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* It determines the index of the object which it habe in relation.
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*/
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public class RelationPicking extends PickMouseBehavior {
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private Spatial3DViewer parent;
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private TextWindow window;
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/**
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* constructor
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*/
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public RelationPicking( Spatial3DViewer viewer, BranchGroup root, Canvas3D canvas, Bounds bounds) {
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super(canvas, root, bounds);
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parent=viewer;
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window=viewer.getTextWindow();
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setSchedulingBounds(bounds);
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}
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public void updateScene(int xpos, int ypos) {
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Shape3D pickedShape = null;
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pickCanvas.setShapeLocation(xpos,ypos);
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//get object with pickresult
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PickResult pResult = pickCanvas.pickClosest();
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if (pResult != null) {
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pickedShape = (Shape3D)pResult.getNode(PickResult.SHAPE3D);
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}
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if (pickedShape !=null) {
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int data =(int) pickedShape.getUserData(); // TODO changed to int
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parent.setSelectedObject(data, false);
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if (mevent.getClickCount()==2)
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window.showPropertiesDialog();
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}
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else
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parent.setSelectedObject(-1, true); // clear selection
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}
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}
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