org.simantics.plant3d/src/org/simantics/plant3d/actions/TranslateInlineAction.java

   1 package org.simantics.plant3d.actions;
   2
   3 import java.awt.event.KeyEvent;
   4 import java.awt.event.MouseEvent;
   5
   6 import javax.vecmath.Point3d;
   7 import javax.vecmath.Vector3d;
   8
   9 import org.simantics.g3d.math.MathTools;
  10 import org.simantics.g3d.math.Ray;
  11 import org.simantics.g3d.scenegraph.IG3DNode;
  12 import org.simantics.g3d.vtk.common.VTKNodeMap;
  13 import org.simantics.g3d.vtk.swt.InteractiveVtkComposite;
  14 import org.simantics.g3d.vtk.swt.TranslateAction;
  15 import org.simantics.g3d.vtk.utils.vtkUtil;
  16 import org.simantics.plant3d.Activator;
  17 import org.simantics.plant3d.scenegraph.InlineComponent;
  18 import org.simantics.plant3d.scenegraph.PipelineComponent;
  19 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.Direction;
  20
  21 public class TranslateInlineAction extends TranslateAction{
  22
  23         private Vector3d s;
  24         private Vector3d e;
  25         private Vector3d dir;
  26
  27         public TranslateInlineAction(InteractiveVtkComposite panel, VTKNodeMap nodeMap) {
  28                 super(panel, nodeMap);
  29                 setImageDescriptor(Activator.imageDescriptorFromPlugin("com.famfamfam.silk", "icons/arrow_refresh.png"));
  30         }
  31
  32         @Override
  33         public void setNode(IG3DNode node) {
  34                 super.setNode(node);
  35                 if (node instanceof InlineComponent) {
  36                         InlineComponent comp = (InlineComponent)node;
  37                         if (comp.isVariableLength()) {
  38                                 setEnabled(false);
  39                         } else {
  40                                 setEnabled(true);
  41
  42                                 PipelineComponent prev = comp.getPrevious();
  43                                 PipelineComponent next = comp.getNext();
  44                                 if (prev == null || next == null) {
  45                                         // TODO : we should support open ended translation (when translated component is the first or last of the run).
  46                                         setEnabled(false);
  47                                         return;
  48                                 }
  49                                 if (prev.getControlPoint().isInline() && !prev.getControlPoint().isFixed() && prev.getPrevious() != null)
  50                                         prev = prev.getPrevious();
  51                                 if (next.getControlPoint().isInline() && !next.getControlPoint().isFixed() && next.getNext() != null) {
  52                                         next = next.getNext();
  53                                 }
  54                                 Point3d ns = new Point3d();
  55                                 Point3d ne = new Point3d();
  56                                 Point3d ps = new Point3d();
  57                                 Point3d pe = new Point3d();
  58                                 next.getControlPointEnds(ns, ne);
  59                                 prev.getControlPointEnds(ps, pe);
  60                                 dir = comp.getControlPoint().getPathLegDirection(Direction.NEXT);
  61                                 dir.normalize();
  62                                 // We may have offsets in the path leg, hence we have to project the coordinates.
  63                                 Vector3d wp = node.getWorldPosition();
  64                                 if (prev.getControlPoint().isVariableLength())
  65                                     s = MathTools.closestPointOnStraight(ps, wp, dir);
  66                                 else
  67                                     s = MathTools.closestPointOnStraight(pe, wp, dir);
  68                                 if (next.getControlPoint().isVariableLength())
  69                                     e = MathTools.closestPointOnStraight(ne, wp, dir);
  70                                 else
  71                                     e = MathTools.closestPointOnStraight(ns, wp, dir);
  72                                 // Remove component's own space from end points to get actual movement range
  73                                 double l = comp.getControlPoint().getInlineLength();
  74                                 Vector3d ld = new Vector3d(dir);
  75                                 ld.scale(l);
  76                                 s.add(ld);
  77                                 e.sub(ld);
  78                         }
  79                 } else {
  80                         setEnabled(false);
  81                 }
  82         }
  83
  84         @Override
  85         public boolean keyPressed(KeyEvent e) {
  86                 if (e.getKeyCode() == KeyEvent.VK_ESCAPE)
  87                         panel.useDefaultAction();
  88                 if (valid)
  89                         return true;
  90
  91                 update();
  92                 return true;
  93         }
  94
  95         @Override
  96         public void setWorldCoord(boolean b) {
  97
  98         }
  99
 100         @Override
 101         public boolean mouseDragged(MouseEvent e) {
 102                 if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) > 0 && valid) {
 103
 104                         Vector3d translate = getTranslate(e.getX(), e.getY(), prevTranslate);
 105                         //System.out.println("translate " + translate);
 106                         if (translate == null)
 107                                 return true;
 108                         //boolean step = ((e.getModifiers() & MouseEvent.CTRL_MASK) > 0);
 109                         Vector3d pos = new Vector3d(node.getWorldPosition());
 110                         //pos.add(translate);
 111                         pos.set(translate);
 112                         //pos = constaints(pos, step);
 113                         setWorldPos(pos);
 114
 115                         //mapping.rangeModified(node);
 116
 117                         //nodeMap.modified(node);
 118                         update();
 119                 } else {
 120                         getDefaultAction().mouseDragged(e);
 121                         update();
 122                 }
 123                 return true;
 124         }
 125
 126
 127
 128         protected Vector3d getTranslate(double x, double y, Vector3d offset) {
 129
 130                 Ray ray = vtkUtil.createMouseRay(panel.getRenderer(),x, y);
 131
 132                 Vector3d p = node.getWorldPosition();
 133
 134                 Vector3d i1 = new Vector3d();
 135         Vector3d i2 = new Vector3d();
 136
 137         double mu[] = new double[2];
 138         MathTools.intersectStraightStraight( p, dir,ray.pos, ray.dir, i2, i1,mu);
 139
 140         Vector3d t = MathTools.closestPointOnEdge(i1, s, e);
 141         return t;
 142
 143         }
 144
 145
 146 }