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 IPartListener() {\r
  53                 \r
  54                 boolean opened = false;\r
  55                 boolean activated = false;\r
  56                 \r
  57                 public void partOpened(IWorkbenchPart part) {\r
  58                     if (part.equals(ThreeDimensionalEditorPart.this.getEditorSite().getPart())) {\r
  59                         opened = true;\r
  60                     }\r
  61                 }\r
  62                 \r
  63                 public void partActivated(IWorkbenchPart part) {\r
  64                         if (part.equals(ThreeDimensionalEditorPart.this.getEditorSite().getPart())) {\r
  65                         if (opened & !activated) {\r
  66                                 activated = true;\r
  67                                 load();\r
  68                         }\r
  69                         }\r
  70                 }\r
  71                 \r
  72                 public void partBroughtToTop(IWorkbenchPart part) {}\r
  73                 \r
  74                 public void partClosed(IWorkbenchPart part) {}\r
  75                 \r
  76                 public void partDeactivated(IWorkbenchPart part) {}\r
  77                 \r
  78                 private void load() {\r
  79                         //System.out.println("ThreeDimensionalEditorPart.reload()");\r
  80                     Session ses = ThreeDimensionalEditorPart.this.getSession();\r
  81                     GraphRequestAdapter r = new GraphRequestAdapter() {\r
  82                         @Override\r
  83                         public GraphRequestStatus perform(Graph g)\r
  84                                         throws Exception {\r
  85                                  reload(g);\r
  86                                 return GraphRequestStatus.transactionComplete();\r
  87                         }\r
  88                     };\r
  89                     ses.asyncRead(r);\r
  90                 }\r
  91             });\r
  92 \r
  93             IActionBars actionBar = getEditorSite().getActionBars();\r
  94 //            editor.setActionBarContributor(getEditorSite().getActionBarContributor());\r
  95             editor.setActionBars(actionBar);\r
  96             getSession().syncRead(new GraphRequestAdapter() {\r
  97                 @Override\r
  98                 public GraphRequestStatus perform(Graph g) throws Exception {\r
  99                         editor.createControl(g,parent);\r
 100                         return GraphRequestStatus.transactionComplete();\r
 101                 }\r
 102             });\r
 103             \r
 104             contributeStatusBar(actionBar.getStatusLineManager());\r
 105             hookPageSelection(); \r
 106             getSite().setSelectionProvider(editor.selectionAdapter);\r
 107             \r
 108 \r
 109 \r
 110         } catch (Exception e) {\r
 111             Display d = getSite().getShell().getDisplay();\r
 112             d.asyncExec(new Runnable() {\r
 113                 public void run() {\r
 114                     getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
 115                 }\r
 116             });\r
 117 \r
 118             ErrorLogger logger = ErrorLogger.getDefault();\r
 119             logger.logError("Shape editor failed to open, see exception for details", e);\r
 120         }\r
 121 \r
 122     }\r
 123     \r
 124 \r
 125     protected void contributeStatusBar(IStatusLineManager manager) {\r
 126     }\r
 127     \r
 128     \r
 129         @Override\r
 130         public void reload(Graph g) {\r
 131                 Resource inputResource = getInputResource();\r
 132                 if (inputResource != null) {\r
 133                         editor.reload(g,inputResource);\r
 134                 } else {\r
 135                         \r
 136                          Display d = getSite().getShell().getDisplay();\r
 137                     d.asyncExec(new Runnable() {\r
 138                         public void run() {\r
 139                                 editor.showMessage("Failed to load model.");\r
 140                             getSite().getPage().closeEditor(ThreeDimensionalEditorPart.this,false);\r
 141                         }\r
 142                     });\r
 143                 }\r
 144         }\r
 145         \r
 146         @Override\r
 147         public void update(GraphChangeEvent e) {\r
 148                 editor.update(e);\r
 149         }\r
 150         \r
 151         @Override\r
 152         public void setFocus() {\r
 153                 editor.setFocus();\r
 154         }\r
 155         \r
 156          /**\r
 157      * Hooks selection listening\r
 158      */\r
 159     private void hookPageSelection() {\r
 160         pageSelectionListener = new ISelectionListener() {\r
 161             public void selectionChanged(IWorkbenchPart part, ISelection selection) {\r
 162                 if (part == ThreeDimensionalEditorPart.this)\r
 163                     return;\r
 164                 pageSelectionChanged(part, selection);\r
 165             }\r
 166         };\r
 167         getSite().getPage().addPostSelectionListener(pageSelectionListener);\r
 168         ISelection sel = getSite().getPage().getSelection();\r
 169         IWorkbenchPart wb = getSite().getPage().getActivePart();\r
 170         pageSelectionChanged(wb, sel);\r
 171     }\r
 172     \r
 173     /**\r
 174      * Receives selection changes\r
 175      * \r
 176      * @param part\r
 177      * @param selection\r
 178      */\r
 179     protected void pageSelectionChanged(IWorkbenchPart part, ISelection selection) {\r
 180         editor.pageSelectionChanged(part, selection);\r
 181     }\r
 182     \r
 183     public void dispose() {\r
 184         if (pageSelectionListener != null)\r
 185             getSite().getPage().removePostSelectionListener(pageSelectionListener);\r
 186         editor.dispose();\r
 187         super.dispose();\r
 188     }\r
 189     \r
 190     public ThreeDimensionalEditorBase getEditor() {\r
 191         return editor;\r
 192     }\r
 193     \r
 194     @Override\r
 195     public Object getAdapter(Class adapter) {\r
 196         Object o = super.getAdapter(adapter);\r
 197         if (o == null) {\r
 198                 o = editor.getAdapter(adapter);\r
 199         }\r
 200         return o;\r
 201     }\r
 202 \r
 203 \r
 204 \r
 205 }\r