gerrit.simantics Code Review - simantics/platform.git/blob

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.diagramEditor;
  13
  14 import org.eclipse.jface.layout.GridDataFactory;
  15 import org.eclipse.jface.layout.GridLayoutFactory;
  16 import org.eclipse.jface.resource.JFaceResources;
  17 import org.eclipse.jface.resource.LocalResourceManager;
  18 import org.eclipse.jface.viewers.IPostSelectionProvider;
  19 import org.eclipse.jface.viewers.ISelection;
  20 import org.eclipse.jface.viewers.ISelectionChangedListener;
  21 import org.eclipse.jface.viewers.ISelectionProvider;
  22 import org.eclipse.swt.SWT;
  23 import org.eclipse.swt.widgets.Composite;
  24 import org.eclipse.swt.widgets.Control;
  25 import org.eclipse.ui.part.Page;
  26 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
  27 import org.simantics.browsing.ui.GraphExplorer;
  28 import org.simantics.browsing.ui.common.ColumnKeys;
  29 import org.simantics.browsing.ui.common.ErrorLogger;
  30 import org.simantics.browsing.ui.common.EvaluatorData;
  31 import org.simantics.browsing.ui.common.EvaluatorDataImpl;
  32 import org.simantics.browsing.ui.common.processors.ComparableFactoryResolver;
  33 import org.simantics.browsing.ui.common.processors.ComparableSelectorQueryProcessor;
  34 import org.simantics.browsing.ui.common.processors.ImageDecoratorFactoryResolver;
  35 import org.simantics.browsing.ui.common.processors.ImagerFactoryResolver;
  36 import org.simantics.browsing.ui.common.processors.LabelDecoratorFactoryResolver;
  37 import org.simantics.browsing.ui.common.processors.LabelerFactoryResolver;
  38 import org.simantics.browsing.ui.common.processors.UserSelectedComparableFactoryQueryProcessor;
  39 import org.simantics.browsing.ui.common.processors.UserSelectedViewpointFactoryQueryProcessor;
  40 import org.simantics.browsing.ui.common.processors.ViewpointFactoryResolver;
  41 import org.simantics.browsing.ui.graph.impl.AsyncReadGraphDataSource;
  42 import org.simantics.browsing.ui.graph.impl.InheritsQueryProcessor;
  43 import org.simantics.browsing.ui.graph.impl.ReadGraphDataSource;
  44 import org.simantics.browsing.ui.graph.impl.RelatedObjectsQueryProcessor;
  45 import org.simantics.browsing.ui.swt.ContextMenuInitializer;
  46 import org.simantics.browsing.ui.swt.DefaultKeyListener;
  47 import org.simantics.browsing.ui.swt.DefaultMouseListener;
  48 import org.simantics.browsing.ui.swt.DefaultSelectionDataResolver;
  49 import org.simantics.browsing.ui.swt.GraphExplorerFactory;
  50 import org.simantics.browsing.ui.swt.TypesQueryProcessor;
  51 import org.simantics.db.AsyncReadGraph;
  52 import org.simantics.db.ReadGraph;
  53 import org.simantics.db.Resource;
  54 import org.simantics.db.Session;
  55 import org.simantics.db.exception.DatabaseException;
  56 import org.simantics.db.management.ISessionContext;
  57 import org.simantics.db.management.ISessionContextProvider;
  58 import org.simantics.db.request.Read;
  59 import org.simantics.modeling.ModelingResources;
  60 import org.simantics.modeling.ui.Activator;
  61 import org.simantics.modeling.ui.modelBrowser.ModelEvaluators;
  62 import org.simantics.modeling.ui.modelBrowser.model.INode;
  63 import org.simantics.modeling.ui.modelBrowser.model.INode2;
  64 import org.simantics.structural.ui.menuContributions.LinkWithEditorContribution;
  65 import org.simantics.ui.workbench.IResourceEditorInput2;
  66 import org.simantics.utils.datastructures.Function;
  67 import org.simantics.utils.datastructures.Functions;
  68
  69 /**
  70  * TODO: change to use newer contribution mechanisms, get rid of
  71  * {@link ModelEvaluators} use.
  72  *
  73  * @author Tuukka Lehtonen
  74  */
  75 public class DiagramOutlinePage extends Page implements IContentOutlinePage, IPostSelectionProvider {
  76
  77     ISessionContextProvider sessionContextProvider;
  78     IResourceEditorInput2    input;
  79     LocalResourceManager    resourceManager;
  80     Composite               composite;
  81     GraphExplorer           explorer;
  82     LinkWithEditor          linkWithEditor;
  83
  84     public DiagramOutlinePage(ISessionContextProvider contextProvider, IResourceEditorInput2 input) {
  85         assert contextProvider != null;
  86         assert input != null;
  87
  88         this.sessionContextProvider = contextProvider;
  89         this.input = input;
  90     }
  91
  92     @Override
  93     public void createControl(Composite parent) {
  94         resourceManager = new LocalResourceManager(JFaceResources.getResources());
  95         composite = new Composite(parent, SWT.NONE);
  96         GridLayoutFactory.fillDefaults().applyTo(composite);
  97         this.explorer = GraphExplorerFactory.getInstance().selectionDataResolver(new DefaultSelectionDataResolver()).create(composite);
  98                 Control control = explorer.getControl();
  99         ISelectionProvider selectionProvider = (ISelectionProvider)explorer.getAdapter(ISelectionProvider.class);
 100         new ContextMenuInitializer("#GraphExplorerPopup").createContextMenu(control, selectionProvider, getSite());
 101         GridDataFactory.fillDefaults().grab(true, true).applyTo(control);
 102
 103         // Consider ENTER presses to simulate mouse left button double clicks
 104         Function<String[]> resolver = Functions.constant(ColumnKeys.SINGLE);
 105         explorer.addListener(new DefaultKeyListener(sessionContextProvider, explorer, resolver));
 106
 107         // Default double click handling
 108         explorer.addListener(new DefaultMouseListener(explorer));
 109
 110         ISessionContext sessionContext = sessionContextProvider.getSessionContext();
 111         Session session = sessionContext != null ? sessionContext.getSession() : null;
 112         EvaluatorData data = null;
 113         if (session != null) {
 114             data = createEvaluatorData(sessionContext);
 115             explorer.setDataSource(new AsyncReadGraphDataSource(session));
 116             explorer.setDataSource(new ReadGraphDataSource(session));
 117         } else {
 118             data = new EvaluatorDataImpl();
 119             explorer.removeDataSource(AsyncReadGraph.class);
 120             explorer.removeDataSource(ReadGraph.class);
 121         }
 122
 123         explorer.setProcessor(new ComparableFactoryResolver(data));
 124         explorer.setProcessor(new ViewpointFactoryResolver(data));
 125         explorer.setProcessor(new LabelerFactoryResolver(data));
 126         explorer.setProcessor(new ImagerFactoryResolver(data));
 127         explorer.setProcessor(new LabelDecoratorFactoryResolver(data));
 128         explorer.setProcessor(new ImageDecoratorFactoryResolver(data));
 129         explorer.setPrimitiveProcessor(new TypesQueryProcessor());
 130         explorer.setPrimitiveProcessor(new InheritsQueryProcessor());
 131         explorer.setPrimitiveProcessor(new RelatedObjectsQueryProcessor());
 132
 133         explorer.setProcessor(new ComparableSelectorQueryProcessor());
 134         explorer.setPrimitiveProcessor(new UserSelectedViewpointFactoryQueryProcessor());
 135         explorer.setPrimitiveProcessor(new UserSelectedComparableFactoryQueryProcessor());
 136
 137         try {
 138
 139             // Look for a proper input resource to give to the model browser.
 140             final Resource diagram = input.getResource();
 141             if (diagram != null && session != null) {
 142                 Object finalInput = session.syncRequest(new Read<Resource>() {
 143                     @Override
 144                     public Resource perform(ReadGraph graph) throws DatabaseException {
 145                         ModelingResources mr = ModelingResources.getInstance(graph);
 146                         return graph.getPossibleObject(diagram, mr.DiagramToComposite);
 147                     }
 148                 });
 149                 if (finalInput != null)
 150                     explorer.setRoot(finalInput);
 151             }
 152
 153         } catch (DatabaseException e) {
 154             ErrorLogger.defaultLogError(e);
 155         }
 156
 157 //        linkWithEditor = new LinkWithEditor();
 158 //        getSite().getActionBars().getToolBarManager().add(linkWithEditor);
 159     }
 160
 161     @Override
 162     public void dispose() {
 163         if (resourceManager != null) {
 164             resourceManager.dispose();
 165             resourceManager = null;
 166         }
 167         super.dispose();
 168     }
 169
 170     protected EvaluatorData createEvaluatorData(ISessionContext sessionContext) {
 171         EvaluatorData data = new EvaluatorDataImpl();
 172         data.addEvaluator(Resource.class, ModelEvaluators.createResourceEvaluator());
 173         data.addEvaluator(INode.class, ModelEvaluators.createNodeEvaluator());
 174         data.addEvaluator(INode2.class, ModelEvaluators.createNode2Evaluator());
 175         return data;
 176     }
 177
 178     @Override
 179     public Control getControl() {
 180         return composite;
 181     }
 182
 183     @Override
 184     public void setFocus() {
 185         explorer.setFocus();
 186     }
 187
 188     @Override
 189     public void addSelectionChangedListener(ISelectionChangedListener listener) {
 190         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 191         selectionProvider.addSelectionChangedListener(listener);
 192     }
 193
 194     @Override
 195     public ISelection getSelection() {
 196         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 197         return selectionProvider.getSelection();
 198     }
 199
 200     @Override
 201     public void removeSelectionChangedListener(ISelectionChangedListener listener) {
 202         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 203         selectionProvider.removeSelectionChangedListener(listener);
 204     }
 205
 206     @Override
 207     public void setSelection(ISelection selection) {
 208         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 209         selectionProvider.setSelection(selection);
 210     }
 211
 212     @Override
 213     public void addPostSelectionChangedListener(ISelectionChangedListener listener) {
 214         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 215         selectionProvider.addPostSelectionChangedListener(listener);
 216     }
 217
 218     @Override
 219     public void removePostSelectionChangedListener(ISelectionChangedListener listener) {
 220         IPostSelectionProvider selectionProvider = (IPostSelectionProvider)explorer.getAdapter(IPostSelectionProvider.class);
 221         selectionProvider.removePostSelectionChangedListener(listener);
 222     }
 223
 224     static class LinkWithEditor extends LinkWithEditorContribution {
 225         public LinkWithEditor() {
 226             super("DiagramOutlinePage.linkWithEditor", Activator.getDefault().getPreferenceStore());
 227         }
 228     }
 229
 230 }