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())
  50                                         prev = prev.getPrevious();
  51                                 if (next.getControlPoint().isInline() && !next.getControlPoint().isFixed()) {
  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                                 s = MathTools.closestPointOnStraight(pe, wp, dir);
  65                                 e = MathTools.closestPointOnStraight(ns, wp, dir);
  66                                 // Remove component's own space from end points to get actual movement range
  67                                 double l = comp.getControlPoint().getInlineLength();
  68                                 Vector3d ld = new Vector3d(dir);
  69                                 ld.scale(l);
  70                                 s.add(ld);
  71                                 e.sub(ld);
  72                         }
  73                 } else {
  74                         setEnabled(false);
  75                 }
  76         }
  77
  78         @Override
  79         public boolean keyPressed(KeyEvent e) {
  80                 if (e.getKeyCode() == KeyEvent.VK_ESCAPE)
  81                         panel.useDefaultAction();
  82                 if (valid)
  83                         return true;
  84
  85                 update();
  86                 return true;
  87         }
  88
  89         @Override
  90         public void setWorldCoord(boolean b) {
  91
  92         }
  93
  94         @Override
  95         public boolean mouseDragged(MouseEvent e) {
  96                 if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) > 0 && valid) {
  97
  98                         Vector3d translate = getTranslate(e.getX(), e.getY(), prevTranslate);
  99                         //System.out.println("translate " + translate);
 100                         if (translate == null)
 101                                 return true;
 102                         //boolean step = ((e.getModifiers() & MouseEvent.CTRL_MASK) > 0);
 103                         Vector3d pos = new Vector3d(node.getWorldPosition());
 104                         //pos.add(translate);
 105                         pos.set(translate);
 106                         //pos = constaints(pos, step);
 107                         setWorldPos(pos);
 108
 109                         //mapping.rangeModified(node);
 110
 111                         //nodeMap.modified(node);
 112                         update();
 113                 } else {
 114                         getDefaultAction().mouseDragged(e);
 115                         update();
 116                 }
 117                 return true;
 118         }
 119
 120
 121
 122         protected Vector3d getTranslate(double x, double y, Vector3d offset) {
 123
 124                 Ray ray = vtkUtil.createMouseRay(panel.getRenderer(),x, y);
 125
 126                 Vector3d p = node.getWorldPosition();
 127
 128                 Vector3d i1 = new Vector3d();
 129         Vector3d i2 = new Vector3d();
 130
 131         double mu[] = new double[2];
 132         MathTools.intersectStraightStraight( p, dir,ray.pos, ray.dir, i2, i1,mu);
 133
 134         Vector3d t = MathTools.closestPointOnEdge(i1, s, e);
 135         return t;
 136
 137         }
 138
 139
 140 }