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1   // ******************************************************************************
2   //
3   // Title:       Force Field X.
4   // Description: Force Field X - Software for Molecular Biophysics.
5   // Copyright:   Copyright (c) Michael J. Schnieders 2001-2024.
6   //
7   // This file is part of Force Field X.
8   //
9   // Force Field X is free software; you can redistribute it and/or modify it
10  // under the terms of the GNU General Public License version 3 as published by
11  // the Free Software Foundation.
12  //
13  // Force Field X is distributed in the hope that it will be useful, but WITHOUT
14  // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15  // FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16  // details.
17  //
18  // You should have received a copy of the GNU General Public License along with
19  // Force Field X; if not, write to the Free Software Foundation, Inc., 59 Temple
20  // Place, Suite 330, Boston, MA 02111-1307 USA
21  //
22  // Linking this library statically or dynamically with other modules is making a
23  // combined work based on this library. Thus, the terms and conditions of the
24  // GNU General Public License cover the whole combination.
25  //
26  // As a special exception, the copyright holders of this library give you
27  // permission to link this library with independent modules to produce an
28  // executable, regardless of the license terms of these independent modules, and
29  // to copy and distribute the resulting executable under terms of your choice,
30  // provided that you also meet, for each linked independent module, the terms
31  // and conditions of the license of that module. An independent module is a
32  // module which is not derived from or based on this library. If you modify this
33  // library, you may extend this exception to your version of the library, but
34  // you are not obligated to do so. If you do not wish to do so, delete this
35  // exception statement from your version.
36  //
37  // ******************************************************************************
38  package ffx.ui.behaviors;
39  
40  import org.jogamp.java3d.Bounds;
41  import org.jogamp.java3d.BranchGroup;
42  import org.jogamp.java3d.Canvas3D;
43  import org.jogamp.java3d.Transform3D;
44  import org.jogamp.java3d.TransformGroup;
45  import org.jogamp.java3d.utils.picking.PickResult;
46  
47  /**
48   * The PickPropertiesBehavior class.
49   *
50   * @author Michael J. Schnieders
51   */
52  public class PickPropertiesBehavior extends PickMouseBehavior implements MouseBehaviorCallback {
53  
54    MouseProperties drag;
55    private PickingCallback callback = null;
56    private TransformGroup currentTG;
57  
58    /**
59     * Constructor for PickPropertiesBehavior.
60     *
61     * @param root a {@link org.jogamp.java3d.BranchGroup} object.
62     * @param canvas a {@link org.jogamp.java3d.Canvas3D} object.
63     * @param bounds a {@link org.jogamp.java3d.Bounds} object.
64     * @param VPTG a {@link org.jogamp.java3d.TransformGroup} object.
65     * @param pickMode a int.
66     */
67    public PickPropertiesBehavior(
68        BranchGroup root, Canvas3D canvas, Bounds bounds, TransformGroup VPTG, int pickMode) {
69      super(canvas, root, bounds);
70      drag = new MouseProperties(MouseProperties.MANUAL_WAKEUP, VPTG);
71      drag.setTransformGroup(currGrp);
72      currGrp.addChild(drag);
73      drag.setSchedulingBounds(bounds);
74      setSchedulingBounds(bounds);
75      pickCanvas.setMode(pickMode);
76    }
77  
78    /**
79     * getPickMode
80     *
81     * @return a int.
82     */
83    public int getPickMode() {
84      return pickCanvas.getMode();
85    }
86  
87    /**
88     * setPickMode
89     *
90     * @param pickMode a int.
91     */
92    public void setPickMode(int pickMode) {
93      pickCanvas.setMode(pickMode);
94    }
95  
96    /**
97     * Register the class @param callback to be called each time the picked object moves.
98     *
99     * @param c a {@link ffx.ui.behaviors.PickingCallback} object.
100    */
101   public void setupCallback(PickingCallback c) {
102     callback = c;
103     if (callback == null) {
104       drag.setupCallback(null);
105     } else {
106       drag.setupCallback(this);
107     }
108   }
109 
110   /** {@inheritDoc} */
111   public void transformChanged(int type, Transform3D transform) {
112     callback.transformChanged(PickingCallback.PROPERTIES, currentTG);
113   }
114 
115   /** {@inheritDoc} */
116   public void transformClicked(int type, Transform3D transform) {
117     callback.transformClicked(PickingCallback.PROPERTIES, currentTG);
118   }
119 
120   /** {@inheritDoc} */
121   public void transformDoubleClicked(int type, Transform3D transform) {
122     callback.transformDoubleClicked(PickingCallback.PROPERTIES, currentTG);
123   }
124 
125   /**
126    * Update the scene to manipulate any nodes.
127    *
128    * @param xpos Current mouse X pos.
129    * @param ypos Current mouse Y pos.
130    */
131   public void updateScene(int xpos, int ypos) {
132     if (!mevent.isMetaDown() && !mevent.isAltDown()) {
133       pickCanvas.setShapeLocation(xpos, ypos);
134       PickResult r = pickCanvas.pickClosest();
135       if (r != null) {
136         TransformGroup tg = (TransformGroup) r.getNode(PickResult.TRANSFORM_GROUP);
137         if ((tg != null)
138             && (tg.getCapability(TransformGroup.ALLOW_TRANSFORM_READ))
139             && (tg.getCapability(TransformGroup.ALLOW_TRANSFORM_WRITE))) {
140           drag.wakeup();
141           currentTG = tg;
142           if (callback != null && mevent.getClickCount() == 2) {
143             callback.transformDoubleClicked(PickingCallback.PROPERTIES, currentTG);
144           }
145         }
146       } else if (callback != null) {
147         callback.transformDoubleClicked(PickingCallback.NO_PICK, null);
148       }
149     }
150   }
151 }