bundles/org.simantics.modeling/src/org/simantics/modeling/actions/Help.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2016 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     Semantum Oy - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.actions;\r
  13 \r
  14 import org.eclipse.ui.PlatformUI;\r
  15 import org.simantics.Simantics;\r
  16 import org.simantics.databoard.Bindings;\r
  17 import org.simantics.db.Resource;\r
  18 import org.simantics.db.common.primitiverequest.PossibleRelatedValue2;\r
  19 import org.simantics.db.common.utils.Logger;\r
  20 import org.simantics.db.exception.DatabaseException;\r
  21 import org.simantics.db.layer0.adapter.ActionFactory;\r
  22 import org.simantics.modeling.ModelingResources;\r
  23 \r
  24 public class Help implements ActionFactory {\r
  25 \r
  26         @Override\r
  27         public Runnable create(Object target) {\r
  28 \r
  29                 if(!(target instanceof Resource))\r
  30                         return null;\r
  31 \r
  32                 final Resource resource = (Resource)target;\r
  33                 \r
  34                 return new Runnable() {\r
  35                         @Override\r
  36                         public void run() {\r
  37                                 \r
  38                                 try {\r
  39                                         ModelingResources MOD = ModelingResources.getInstance(Simantics.getSession());\r
  40                                         String id = Simantics.sync(new PossibleRelatedValue2<String>(resource, MOD.contextualHelpId, Bindings.STRING));\r
  41                                         if(id == null) {\r
  42                                                 PlatformUI.getWorkbench().getHelpSystem().displayDynamicHelp();\r
  43                                                 return;\r
  44                                         }\r
  45                                         PlatformUI.getWorkbench().getHelpSystem().displayHelp(id);\r
  46                                 } catch (DatabaseException e) {\r
  47                                         Logger.defaultLogError(e);\r
  48                                 }\r
  49                                 \r
  50                         }\r
  51                 }; \r
  52         }\r
  53 }\r