org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/actions/FocusAction.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.\r
   3  * All rights reserved. This program and the accompanying materials\r
   4  * are made available under the terms of the Eclipse Public License v1.0\r
   5  * which accompanies this distribution, and is available at\r
   6  * http://www.eclipse.org/legal/epl-v10.html\r
   7  *\r
   8  * Contributors:\r
   9  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  10  *******************************************************************************/\r
  11 package org.simantics.proconf.g3d.actions;\r
  12 \r
  13 import java.util.Collection;\r
  14 import java.util.List;\r
  15 \r
  16 import javax.vecmath.Vector3d;\r
  17 \r
  18 import org.simantics.db.Graph;\r
  19 import org.simantics.db.Resource;\r
  20 import org.simantics.layer0.utils.IEntity;\r
  21 import org.simantics.layer0.utils.EntityFactory;\r
  22 import org.simantics.proconf.g3d.Activator;\r
  23 import org.simantics.proconf.g3d.Resources;\r
  24 import org.simantics.proconf.g3d.base.G3DTools;\r
  25 import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;\r
  26 import org.simantics.proconf.g3d.common.OrbitalCamera;\r
  27 import org.simantics.proconf.g3d.stubs.Tuple3;\r
  28 \r
  29 public class FocusAction extends ContextAction{\r
  30 \r
  31         private OrbitalCamera camera;\r
  32         \r
  33     Vector3d focusPoint = null;\r
  34     \r
  35     public FocusAction(ThreeDimensionalEditorBase parent) {\r
  36         super(parent);\r
  37         camera = parent.getCamera();\r
  38     }\r
  39     \r
  40     public void init() {\r
  41         this.setText("Focus");\r
  42         this.setToolTipText("Focus");\r
  43         this.setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "icons/eye.png"));\r
  44     }\r
  45     \r
  46 \r
  47     \r
  48     @Override\r
  49   public boolean usable(Graph graph,List<Resource> resources) {\r
  50       if (resources.size() != 1)\r
  51           return false;\r
  52       IEntity t = EntityFactory.create(graph, resources.get(0));\r
  53       \r
  54       if (t.isInstanceOf(Resources.g3dResource.G3DNode)) {\r
  55           Collection<IEntity> p = t.getRelatedObjects(Resources.g3dResource.HasWorldPosition);\r
  56           if (p == null || p.size() != 1)\r
  57               return false;\r
  58           else \r
  59               //focusPoint = new Vector3d(G3DTools.getPoint(new Position(graph,p.iterator().next().getResource())));\r
  60               focusPoint = new Vector3d(G3DTools.getPoint(new Tuple3(graph,p.iterator().next().getResource())));\r
  61       }\r
  62       return true;\r
  63   }\r
  64     \r
  65     public void run() {\r
  66         camera.setTarget(focusPoint);\r
  67         parent.setViewChanged(true);\r
  68     }\r
  69 \r
  70    \r
  71 }\r