org.simantics.g3d.vtk/src/org/simantics/g3d/vtk/utils/vtkPanelUtil.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.g3d.vtk.utils;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.List;\r
  16 \r
  17 import org.simantics.g3d.vtk.Activator;\r
  18 import org.simantics.g3d.vtk.preferences.CloseMethod;\r
  19 import org.simantics.g3d.vtk.preferences.PreferenceConstants;\r
  20 import org.simantics.utils.threads.AWTThread;\r
  21 \r
  22 import vtk.vtkCamera;\r
  23 import vtk.vtkObject;\r
  24 import vtk.vtkPanel;\r
  25 import vtk.vtkReferenceInformation;\r
  26 import vtk.vtkRenderWindow;\r
  27 import vtk.vtkRenderer;\r
  28 \r
  29 public class vtkPanelUtil {\r
  30         \r
  31         private static List<vtkPanel> activePanels = new ArrayList<vtkPanel>();\r
  32         private static List<vtkPanel> waitingToDeletePanels = new ArrayList<vtkPanel>();\r
  33         \r
  34         public static void registerPanel(vtkPanel panel) {\r
  35                 activePanels.add(panel);\r
  36         }\r
  37         \r
  38         public static void unregisterPanel(vtkPanel panel) {\r
  39                 assert (Thread.currentThread() == AWTThread.getThreadAccess().getThread());\r
  40                 if (!activePanels.remove(panel))\r
  41                         return;\r
  42                 CloseMethod method = getCloseMethod();\r
  43                 if (method == CloseMethod.ON_LAST_CLOSE) {\r
  44                         waitingToDeletePanels.add(panel);\r
  45                 \r
  46                         if (activePanels.size() == 0) {\r
  47                                 cleanup();\r
  48                         }\r
  49                 } else if (method == CloseMethod.ON_CLOSE) {\r
  50                         dPanel(panel);\r
  51                         vtkGC();\r
  52                 } else if (method == CloseMethod.NO_CLOSE) {\r
  53                         waitingToDeletePanels.add(panel);                       \r
  54                 }\r
  55         }\r
  56         \r
  57         public static CloseMethod getCloseMethod() {\r
  58                 return CloseMethod.valueOf(Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.CLOSE_METHOD));\r
  59         }\r
  60         \r
  61         private static void cleanup() {\r
  62                 \r
  63                 for (vtkPanel p : waitingToDeletePanels) {\r
  64                         dPanel(p);\r
  65                 }\r
  66                 waitingToDeletePanels.clear();\r
  67                 vtkGC();\r
  68         }\r
  69         \r
  70         private static void vtkGC() {\r
  71                 vtkReferenceInformation info = vtkObject.JAVA_OBJECT_MANAGER.gc(true);\r
  72                 System.out.println("Referenced objects when closing editor: " + info.getTotalNumberOfObjects() + "\n");\r
  73                 System.out.println(info.listRemovedReferenceToString());\r
  74                 System.out.println(info.listKeptReferenceToString());\r
  75         }\r
  76 \r
  77         \r
  78         private static void dPanel(vtkPanel panel) {\r
  79                 panel.lock();\r
  80                 vtkCamera camera = panel.GetRenderer().GetActiveCamera();\r
  81                 vtkRenderer ren = panel.GetRenderer();\r
  82                 vtkRenderWindow win = panel.GetRenderWindow();\r
  83                 win.SetForceMakeCurrent();\r
  84                 panel.Delete();\r
  85                 panel = null;\r
  86                 camera.Delete();\r
  87                 ren.Delete();\r
  88                 win.Delete();\r
  89         }\r
  90 }\r