bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/scriptEditor/SCLScriptEditorAdapter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 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  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.scl.scriptEditor;
  13
  14 import org.eclipse.core.runtime.IAdaptable;
  15 import org.eclipse.jface.viewers.IStructuredSelection;
  16 import org.eclipse.ui.IWorkbenchPage;
  17 import org.eclipse.ui.PartInitException;
  18 import org.eclipse.ui.PlatformUI;
  19 import org.simantics.Simantics;
  20 import org.simantics.db.ReadGraph;
  21 import org.simantics.db.Resource;
  22 import org.simantics.db.common.request.ReadRequest;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.layer0.Layer0;
  25 import org.simantics.ui.workbench.editor.AbstractResourceEditorAdapter;
  26 import org.simantics.ui.workbench.editor.EditorAdapter;
  27 import org.simantics.utils.ui.workbench.WorkbenchUtils;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * @author Tuukka Lehtonen
  33  * @since 1.31.0
  34  */
  35 public class SCLScriptEditorAdapter extends AbstractResourceEditorAdapter implements EditorAdapter {
  36
  37     private static final Logger LOGGER = LoggerFactory.getLogger(SCLScriptEditorAdapter.class);
  38
  39     public SCLScriptEditorAdapter() {
  40         super("SCL Script Editor", null, 20);
  41     }
  42
  43     private Resource toResource(Object input) {
  44         if (input instanceof IStructuredSelection)
  45             input = ((IStructuredSelection)input).getFirstElement();
  46         if (!(input instanceof Resource)) {
  47             if(input instanceof IAdaptable) {
  48                 input = ((IAdaptable)input).getAdapter(Resource.class);
  49                 if (input == null)
  50                     return null;
  51             }
  52             else
  53                 return null;
  54         }
  55         return (Resource) input;
  56     }
  57
  58     @Override
  59     public boolean canHandle(ReadGraph g, Object input) throws DatabaseException {
  60         Resource resource = toResource(input);
  61         return resource != null && g.isInstanceOf(resource, Layer0.getInstance(g).SCLScript);
  62     }
  63
  64     protected void openEditor(Resource input) throws Exception {
  65         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  66         if (page == null)
  67             return;
  68         Simantics.getSession().asyncRequest(new ReadRequest() {
  69             @Override
  70             public void run(ReadGraph graph) throws DatabaseException {
  71                 String uri = graph.getURI(input);
  72                 PlatformUI.getWorkbench().getDisplay().asyncExec(openEditor(uri));
  73             }
  74         });
  75     }
  76
  77     private static Runnable openEditor(String uri) {
  78         return () -> {
  79             try {
  80                 WorkbenchUtils.openEditor("org.simantics.modeling.ui.scl.scriptEditor", new SCLScriptEditorInput(uri));
  81             } catch (PartInitException e) {
  82                 LOGGER.error("Could not initialize part", e);
  83             }
  84         };
  85     }
  86
  87 }