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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
   3  * 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  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.sysdyn.ui.handlers.newComponents;\r
  13 \r
  14 import org.eclipse.core.commands.AbstractHandler;\r
  15 import org.eclipse.core.commands.ExecutionEvent;\r
  16 import org.eclipse.core.commands.ExecutionException;\r
  17 import org.eclipse.jface.viewers.ISelection;\r
  18 import org.eclipse.ui.handlers.HandlerUtil;\r
  19 import org.simantics.browsing.ui.common.node.AbstractNode;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.WriteGraph;\r
  22 import org.simantics.db.common.request.WriteRequest;\r
  23 import org.simantics.db.common.utils.NameUtils;\r
  24 import org.simantics.db.exception.DatabaseException;\r
  25 import org.simantics.db.layer0.util.Layer0Utils;\r
  26 import org.simantics.layer0.Layer0;\r
  27 import org.simantics.layer0.utils.direct.GraphUtils;\r
  28 import org.simantics.sysdyn.SysdynResource;\r
  29 import org.simantics.ui.SimanticsUI;\r
  30 import org.simantics.utils.ui.AdaptionUtils;\r
  31 \r
  32 /**\r
  33  * Creates a new function to a SysdynModel or Library.\r
  34  * \r
  35  * @author Teemu Lempinen\r
  36  *\r
  37  */\r
  38 public class NewFunctionHandler extends AbstractHandler {\r
  39 \r
  40     /**\r
  41      * Assumes to be called from a node with SysdynModel, Library or SysdynModelicaFunction as its resource\r
  42      */\r
  43         @Override\r
  44         public Object execute(ExecutionEvent event) throws ExecutionException {\r
  45 \r
  46         ISelection sel = HandlerUtil.getCurrentSelection(event);\r
  47         \r
  48         @SuppressWarnings("unchecked")\r
  49                 AbstractNode<Resource> node = AdaptionUtils.adaptToSingle(sel, AbstractNode.class);\r
  50         if (node == null)\r
  51             return null;\r
  52 \r
  53         final Resource data = node.data;\r
  54 \r
  55         SimanticsUI.getSession().asyncRequest(new WriteRequest() {\r
  56 \r
  57             @Override\r
  58             public void perform(WriteGraph g) throws DatabaseException {\r
  59                 g.markUndoPoint();\r
  60                 Layer0 l0 = Layer0.getInstance(g);\r
  61                 SysdynResource sr = SysdynResource.getInstance(g);\r
  62 \r
  63                 // Library can be either SysdynModel or L0.Library. \r
  64                 Resource library = null;\r
  65                 if(g.isInstanceOf(data, sr.SysdynModel) || g.isInstanceOf(data, l0.Library))\r
  66                         library = data;\r
  67                 else if (g.isInstanceOf(data, sr.SysdynModelicaFunction))\r
  68                         library = g.getPossibleObject(data, l0.PartOf);\r
  69                 \r
  70                 if(library == null)\r
  71                         return;\r
  72                         \r
  73                 \r
  74                 String name = NameUtils.findFreshName(g, "Function", library, l0.ConsistsOf, "%s%d");\r
  75 \r
  76                 Resource func = GraphUtils.create2(g, sr.SysdynModelicaFunction,\r
  77                         l0.HasName, name,\r
  78                         l0.HasDescription, "",\r
  79                         sr.SysdynModelicaFunction_modelicaFunctionCode, "",\r
  80                         l0.PartOf, library);\r
  81                 \r
  82                 Layer0Utils.addCommentMetadata(g, "Created new Function " + name + " " + func.toString());\r
  83             }\r
  84         });\r
  85         \r
  86         return null;\r
  87         }\r
  88 \r
  89 \r
  90 }\r