org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/ThreeDimensionalEditorPart.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.base;\r
  12 \r
  13 import org.eclipse.jface.action.IStatusLineManager;\r
  14 import org.eclipse.jface.viewers.ISelection;\r
  15 import org.eclipse.swt.widgets.Composite;\r
  16 import org.eclipse.swt.widgets.Display;\r
  17 import org.eclipse.ui.IActionBars;\r
  18 import org.eclipse.ui.IPartListener;\r
  19 import org.eclipse.ui.ISelectionListener;\r
  20 import org.eclipse.ui.IWorkbenchPart;\r
  21 import org.simantics.db.Graph;\r
  22 import org.simantics.db.GraphRequestAdapter;\r
  23 import org.simantics.db.GraphRequestStatus;\r
  24 import org.simantics.db.Session;\r
  25 import org.simantics.db.Resource;\r
  26 import org.simantics.db.events.GraphChangeEvent;\r
  27 import org.simantics.db.management.ISessionContext;\r
  28 import org.simantics.proconf.ui.workbench.ResourceEditorPart;\r
  29 import org.simantics.utils.ErrorLogger;\r
  30 \r
  31 \r
  32 public abstract class ThreeDimensionalEditorPart extends ResourceEditorPart implements ThreeDimensionalEditorProvider{\r
  33         \r
  34         protected Composite parent;\r
  35         \r
  36         protected ThreeDimensionalEditorBase editor;\r
  37 \r
  38     protected ISelectionListener pageSelectionListener;\r
  39 \r
  40         protected abstract ThreeDimensionalEditorBase createEditor(ISessionContext session);\r
  41         \r
  42         /**\r
  43      * This is a callback that will allow us to create the viewer and it.\r
  44      */\r
  45     @Override\r
  46     public void createPartControl(Composite p) {\r
  47         this.parent = p;\r
  48         try {\r
  49                 editor = createEditor(getSessionContext());\r
  50                 \r
  51             // add partlistener that loads the scene-graph when the view has been created\r
  52             this.getEditorSite().getPage().addPartListener(new EditorLoader() {\r
  53 \r
  54                 public IWorkbenchPart getWorkbechPart() {\r
  55                         return ThreeDimensionalEditorPart.this.getEditorSite().getPart();\r
  56                 }\r
  57                 \r
  58                 public void load() {\r
  59                         //System.out.println("ThreeDimensionalEditorPart.reload()");\r
  60                     Session ses = ThreeDimensionalEditorPart.this.getSession();\r
  61                     GraphRequestAdapter r = new GraphRequestAdapter() {\r
  62                         @Override\r
  63                         public GraphRequestStatus perform(Graph g)\r
  64                                         throws Exception {\r
  65                                  reload(g);\r
  66                                 return GraphRequestStatus.transactionComplete();\r
  67                         }\r
  68                     };\r
  69                     ses.asyncRead(r);\r
  70                 }\r
  71             });\r
  72 \r
  73             IActionBars actionBar = getEditorSite().getActionBars();\r
  74 //            editor.setActionBarContributor(getEditorSite().getActionBarContributor());\r
  75             editor.setActionBars(actionBar);\r
  76             getSession().syncRead(new GraphRequestAdapter() {\r
  77                 @Override\r
  78                 public GraphRequestStatus perform(Graph g) throws Exception {\r
  79                         editor.createControl(g,parent);\r
  80                         return GraphRequestStatus.transactionComplete();\r
  81                 }\r
  82             });\r
  83             \r
  84             contributeStatusBar(actionBar.getStatusLineManager());\r
  85             hookPageSelection(); \r
  86             getSite().setSelectionProvider(editor.selectionAdapter);\r
  87             \r
  88 \r
  89 \r
  90         } catch (Exception e) {\r
  91             Display d = getSite().getShell().getDisplay();\r
  92             d.asyncExec(new Runnable() {\r
  93                 public void run() {\r
  94                     getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
  95                 }\r
  96             });\r
  97 \r
  98             ErrorLogger logger = ErrorLogger.getDefault();\r
  99             logger.logError("Shape editor failed to open, see exception for details", e);\r
 100         }\r
 101 \r
 102     }\r
 103     \r
 104 \r
 105     protected void contributeStatusBar(IStatusLineManager manager) {\r
 106     }\r
 107     \r
 108     \r
 109         @Override\r
 110         public void reload(Graph g) {\r
 111                 Resource inputResource = getInputResource();\r
 112                 if (inputResource != null) {\r
 113                         editor.reload(g,inputResource);\r
 114                 } else {\r
 115                         \r
 116                          Display d = getSite().getShell().getDisplay();\r
 117                     d.asyncExec(new Runnable() {\r
 118                         public void run() {\r
 119                                 editor.showMessage("Failed to load model.");\r
 120                             getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
 121                         }\r
 122                     });\r
 123                 }\r
 124         }\r
 125         \r
 126         @Override\r
 127         public void update(GraphChangeEvent e) {\r
 128                 editor.update(e);\r
 129         }\r
 130         \r
 131         @Override\r
 132         public void setFocus() {\r
 133                 editor.setFocus();\r
 134         }\r
 135         \r
 136          /**\r
 137      * Hooks selection listening\r
 138      */\r
 139     private void hookPageSelection() {\r
 140         pageSelectionListener = new ISelectionListener() {\r
 141             public void selectionChanged(IWorkbenchPart part, ISelection selection) {\r
 142                 if (part == ThreeDimensionalEditorPart.this)\r
 143                     return;\r
 144                 pageSelectionChanged(part, selection);\r
 145             }\r
 146         };\r
 147         getSite().getPage().addPostSelectionListener(pageSelectionListener);\r
 148         ISelection sel = getSite().getPage().getSelection();\r
 149         IWorkbenchPart wb = getSite().getPage().getActivePart();\r
 150         pageSelectionChanged(wb, sel);\r
 151     }\r
 152     \r
 153     /**\r
 154      * Receives selection changes\r
 155      * \r
 156      * @param part\r
 157      * @param selection\r
 158      */\r
 159     protected void pageSelectionChanged(IWorkbenchPart part, ISelection selection) {\r
 160         editor.pageSelectionChanged(part, selection);\r
 161     }\r
 162     \r
 163     public void dispose() {\r
 164         if (pageSelectionListener != null)\r
 165             getSite().getPage().removePostSelectionListener(pageSelectionListener);\r
 166         editor.dispose();\r
 167         super.dispose();\r
 168     }\r
 169     \r
 170     public ThreeDimensionalEditorBase getEditor() {\r
 171         return editor;\r
 172     }\r
 173     \r
 174     @Override\r
 175     public Object getAdapter(Class adapter) {\r
 176         Object o = super.getAdapter(adapter);\r
 177         if (o == null) {\r
 178                 o = editor.getAdapter(adapter);\r
 179         }\r
 180         return o;\r
 181     }\r
 182 \r
 183 \r
 184 \r
 185 }\r