org.simantics.proconf.g3d/src/org/simantics/proconf/g3d/base/ThreeDimensionalEditorPart.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007- VTT Technical Research Centre of Finland.\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.ISelectionListener;\r
  19 import org.eclipse.ui.IWorkbenchPart;\r
  20 import org.simantics.db.Graph;\r
  21 import org.simantics.db.GraphRequestAdapter;\r
  22 import org.simantics.db.GraphRequestStatus;\r
  23 import org.simantics.db.Session;\r
  24 import org.simantics.db.Resource;\r
  25 import org.simantics.db.events.GraphChangeEvent;\r
  26 import org.simantics.db.management.ISessionContext;\r
  27 import org.simantics.proconf.ui.workbench.ResourceEditorPart;\r
  28 import org.simantics.utils.ui.ErrorLogger;\r
  29 \r
  30 \r
  31 public abstract class ThreeDimensionalEditorPart extends ResourceEditorPart implements ThreeDimensionalEditorProvider{\r
  32         \r
  33         protected Composite parent;\r
  34         \r
  35         protected ThreeDimensionalEditorBase editor;\r
  36 \r
  37     protected ISelectionListener pageSelectionListener;\r
  38 \r
  39         protected abstract ThreeDimensionalEditorBase createEditor(ISessionContext session);\r
  40         \r
  41         /**\r
  42      * This is a callback that will allow us to create the viewer and it.\r
  43      */\r
  44     @Override\r
  45     public void createPartControl(Composite p) {\r
  46         this.parent = p;\r
  47         try {\r
  48                 editor = createEditor(getSessionContext());\r
  49                 \r
  50             // add partlistener that loads the scene-graph when the view has been created\r
  51             this.getEditorSite().getPage().addPartListener(new EditorLoader() {\r
  52 \r
  53                 public IWorkbenchPart getWorkbechPart() {\r
  54                         return ThreeDimensionalEditorPart.this.getEditorSite().getPart();\r
  55                 }\r
  56                 \r
  57                 public void load() {\r
  58                         //System.out.println("ThreeDimensionalEditorPart.reload()");\r
  59                     Session ses = ThreeDimensionalEditorPart.this.getSession();\r
  60                     GraphRequestAdapter r = new GraphRequestAdapter() {\r
  61                         @Override\r
  62                         public GraphRequestStatus perform(Graph g)\r
  63                                         throws Exception {\r
  64                                  reload(g);\r
  65                                 return GraphRequestStatus.transactionComplete();\r
  66                         }\r
  67                     };\r
  68                     ses.asyncRead(r);\r
  69                 }\r
  70             });\r
  71 \r
  72             IActionBars actionBar = getEditorSite().getActionBars();\r
  73 //            editor.setActionBarContributor(getEditorSite().getActionBarContributor());\r
  74             editor.setActionBars(actionBar);\r
  75             getSession().syncRead(new GraphRequestAdapter() {\r
  76                 @Override\r
  77                 public GraphRequestStatus perform(Graph g) throws Exception {\r
  78                         editor.createControl(g,parent);\r
  79                         return GraphRequestStatus.transactionComplete();\r
  80                 }\r
  81             });\r
  82             \r
  83             contributeStatusBar(actionBar.getStatusLineManager());\r
  84             hookPageSelection(); \r
  85             getSite().setSelectionProvider(editor.selectionAdapter);\r
  86             \r
  87 \r
  88 \r
  89         } catch (Exception e) {\r
  90             Display d = getSite().getShell().getDisplay();\r
  91             d.asyncExec(new Runnable() {\r
  92                 public void run() {\r
  93                     getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
  94                 }\r
  95             });\r
  96 \r
  97             ErrorLogger logger = ErrorLogger.getDefault();\r
  98             logger.logError("Shape editor failed to open, see exception for details", e);\r
  99         }\r
 100 \r
 101     }\r
 102     \r
 103 \r
 104     protected void contributeStatusBar(IStatusLineManager manager) {\r
 105     }\r
 106     \r
 107     \r
 108         @Override\r
 109         public void reload(Graph g) {\r
 110                 Resource inputResource = getInputResource();\r
 111                 if (inputResource != null) {\r
 112                         editor.reload(g,inputResource);\r
 113                 } else {\r
 114                         \r
 115                          Display d = getSite().getShell().getDisplay();\r
 116                     d.asyncExec(new Runnable() {\r
 117                         public void run() {\r
 118                                 editor.showMessage("Failed to load model.");\r
 119                             getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
 120                         }\r
 121                     });\r
 122                 }\r
 123         }\r
 124         \r
 125         @Override\r
 126         public void update(GraphChangeEvent e) {\r
 127                 editor.update(e);\r
 128         }\r
 129         \r
 130         @Override\r
 131         public void setFocus() {\r
 132                 editor.setFocus();\r
 133         }\r
 134         \r
 135          /**\r
 136      * Hooks selection listening\r
 137      */\r
 138     private void hookPageSelection() {\r
 139         pageSelectionListener = new ISelectionListener() {\r
 140             public void selectionChanged(IWorkbenchPart part, ISelection selection) {\r
 141                 if (part == ThreeDimensionalEditorPart.this) {\r
 142                         return;\r
 143                 }\r
 144                 pageSelectionChanged(part, selection);\r
 145             }\r
 146         };\r
 147         getSite().getPage().addPostSelectionListener(pageSelectionListener);\r
 148         getSite().getPage().addSelectionListener(pageSelectionListener);\r
 149         ISelection sel = getSite().getPage().getSelection();\r
 150         IWorkbenchPart wb = getSite().getPage().getActivePart();\r
 151         pageSelectionChanged(wb, sel);\r
 152     }\r
 153     \r
 154     /**\r
 155      * Receives selection changes\r
 156      * \r
 157      * @param part\r
 158      * @param selection\r
 159      */\r
 160     protected void pageSelectionChanged(IWorkbenchPart part, ISelection selection) {\r
 161         editor.pageSelectionChanged(part, selection);\r
 162     }\r
 163     \r
 164     public void dispose() {\r
 165         if (pageSelectionListener != null) {\r
 166             getSite().getPage().removePostSelectionListener(pageSelectionListener);\r
 167                 getSite().getPage().removeSelectionListener(pageSelectionListener);\r
 168         }\r
 169         editor.dispose();\r
 170         super.dispose();\r
 171     }\r
 172     \r
 173     public ThreeDimensionalEditorBase getEditor() {\r
 174         return editor;\r
 175     }\r
 176     \r
 177     @Override\r
 178     public Object getAdapter(Class adapter) {\r
 179         Object o = super.getAdapter(adapter);\r
 180         if (o == null) {\r
 181                 o = editor.getAdapter(adapter);\r
 182         }\r
 183         return o;\r
 184     }\r
 185 \r
 186 \r
 187 \r
 188 }\r