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

   1 /*******************************************************************************\r
   2  * Copyright (c) 2010 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.properties.widgets.factories;\r
  13 \r
  14 import org.eclipse.jface.dialogs.IInputValidator;\r
  15 import org.eclipse.jface.viewers.ISelection;\r
  16 import org.simantics.browsing.ui.swt.widgets.impl.Widget;\r
  17 import org.simantics.browsing.ui.swt.widgets.impl.WidgetSupport;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.management.ISessionContext;\r
  20 import org.simantics.sysdyn.ui.utils.VariableNameUtils;\r
  21 import org.simantics.utils.ui.ISelectionUtils;\r
  22 \r
  23 public class VariableNameValidator implements IInputValidator, Widget {\r
  24 \r
  25         private Resource lastInput = null;\r
  26         \r
  27         public VariableNameValidator(WidgetSupport support) {\r
  28                 support.register(this);\r
  29         }\r
  30         \r
  31         /**\r
  32          * Checks that the syntax of the given name is valid and there \r
  33          * are no other components that have the same name in the configuration.\r
  34          */\r
  35         @Override\r
  36         public String isValid(final String newText) {\r
  37         if (!VariableNameUtils.isValid(lastInput, newText, true))\r
  38             return "Not valid";\r
  39         else\r
  40                 return null;\r
  41         /*\r
  42         if(lastInput == null) return null;\r
  43         String result = null;\r
  44         try {\r
  45                         result = SimanticsUI.getSession().syncRequest(new Read<String>(){\r
  46 \r
  47                                 @Override\r
  48                                 public String perform(ReadGraph graph) throws DatabaseException {\r
  49                                         if(VariableNameUtils.nameIsTaken(graph, lastInput, newText)) {\r
  50                                                 return "Name is taken.";\r
  51                                         }\r
  52                                         return null;\r
  53                                 }\r
  54                                 \r
  55                         }) ;\r
  56                 } catch (DatabaseException e) {\r
  57                         e.printStackTrace();\r
  58                 }\r
  59         return result;\r
  60         */\r
  61 \r
  62         }\r
  63 \r
  64         @Override\r
  65         public void setInput(ISessionContext context, Object input) {\r
  66                 lastInput = ISelectionUtils.filterSingleSelection((ISelection)input, Resource.class);\r
  67         }\r
  68 \r
  69 }\r