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

   1 package org.simantics.g3d.vtk.utils;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.List;\r
   5 \r
   6 import org.simantics.g3d.vtk.Activator;\r
   7 import org.simantics.g3d.vtk.preferences.CloseMethod;\r
   8 import org.simantics.g3d.vtk.preferences.PreferenceConstants;\r
   9 import org.simantics.utils.threads.AWTThread;\r
  10 \r
  11 import vtk.vtkCamera;\r
  12 import vtk.vtkObject;\r
  13 import vtk.vtkPanel;\r
  14 import vtk.vtkReferenceInformation;\r
  15 import vtk.vtkRenderWindow;\r
  16 import vtk.vtkRenderer;\r
  17 \r
  18 public class vtkPanelUtil {\r
  19         \r
  20         private static List<vtkPanel> activePanels = new ArrayList<vtkPanel>();\r
  21         private static List<vtkPanel> waitingToDeletePanels = new ArrayList<vtkPanel>();\r
  22         \r
  23         public static void registerPanel(vtkPanel panel) {\r
  24                 activePanels.add(panel);\r
  25         }\r
  26         \r
  27         public static void unregisterPanel(vtkPanel panel) {\r
  28                 assert (Thread.currentThread() == AWTThread.getThreadAccess().getThread());\r
  29                 if (!activePanels.remove(panel))\r
  30                         return;\r
  31                 CloseMethod method = getCloseMethod();\r
  32                 if (method == CloseMethod.ON_LAST_CLOSE) {\r
  33                         waitingToDeletePanels.add(panel);\r
  34                 \r
  35                         if (activePanels.size() == 0) {\r
  36                                 cleanup();\r
  37                         }\r
  38                 } else if (method == CloseMethod.ON_CLOSE) {\r
  39                         dPanel(panel);\r
  40                         vtkGC();\r
  41                 } else if (method == CloseMethod.NO_CLOSE) {\r
  42                         waitingToDeletePanels.add(panel);                       \r
  43                 }\r
  44         }\r
  45         \r
  46         public static CloseMethod getCloseMethod() {\r
  47                 return CloseMethod.valueOf(Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.CLOSE_METHOD));\r
  48         }\r
  49         \r
  50         private static void cleanup() {\r
  51                 \r
  52                 for (vtkPanel p : waitingToDeletePanels) {\r
  53                         dPanel(p);\r
  54                 }\r
  55                 waitingToDeletePanels.clear();\r
  56                 vtkGC();\r
  57         }\r
  58         \r
  59         private static void vtkGC() {\r
  60                 vtkReferenceInformation info = vtkObject.JAVA_OBJECT_MANAGER.gc(true);\r
  61                 System.out.println("Referenced objects when closing editor: " + info.getTotalNumberOfObjects() + "\n");\r
  62                 System.out.println(info.listRemovedReferenceToString());\r
  63                 System.out.println(info.listKeptReferenceToString());\r
  64         }\r
  65 \r
  66         \r
  67         private static void dPanel(vtkPanel panel) {\r
  68                 panel.lock();\r
  69                 vtkCamera camera = panel.GetRenderer().GetActiveCamera();\r
  70                 vtkRenderer ren = panel.GetRenderer();\r
  71                 vtkRenderWindow win = panel.GetRenderWindow();\r
  72                 win.SetForceMakeCurrent();\r
  73                 panel.Delete();\r
  74                 panel = null;\r
  75                 camera.Delete();\r
  76                 ren.Delete();\r
  77                 win.Delete();\r
  78         }\r
  79 }\r