bundles/org.simantics.workbench/src/org/simantics/workbench/internal/contributions/search/SearchServiceFactory.java

   1 package org.simantics.workbench.internal.contributions.search;\r
   2 \r
   3 \r
   4 import org.eclipse.core.expressions.Expression;\r
   5 import org.eclipse.ui.IWorkbench;\r
   6 import org.eclipse.ui.IWorkbenchPartSite;\r
   7 import org.eclipse.ui.IWorkbenchWindow;\r
   8 import org.eclipse.ui.internal.expressions.ActivePartExpression;\r
   9 import org.eclipse.ui.internal.expressions.WorkbenchWindowExpression;\r
  10 import org.eclipse.ui.internal.services.IWorkbenchLocationService;\r
  11 import org.eclipse.ui.services.AbstractServiceFactory;\r
  12 import org.eclipse.ui.services.IServiceLocator;\r
  13 import org.simantics.workbench.search.ISearchService;\r
  14 \r
  15 public class SearchServiceFactory extends AbstractServiceFactory {\r
  16 \r
  17 \r
  18         @SuppressWarnings("rawtypes")\r
  19         @Override\r
  20         public Object create(Class serviceInterface, IServiceLocator parentLocator,\r
  21                         IServiceLocator locator) {\r
  22                 if (!ISearchService.class.equals(serviceInterface))\r
  23                         return null;\r
  24                 IWorkbenchLocationService wls = (IWorkbenchLocationService) locator\r
  25                                 .getService(IWorkbenchLocationService.class);\r
  26                 final IWorkbench wb = wls.getWorkbench();\r
  27                 if (wb == null) {\r
  28                         return null;\r
  29                 }\r
  30                 \r
  31                 Object parent = parentLocator.getService(serviceInterface);\r
  32                 if (parent == null) {\r
  33                         return new SearchServiceImpl();\r
  34                 }\r
  35                 final IWorkbenchWindow window = wls.getWorkbenchWindow();\r
  36                 final IWorkbenchPartSite site = wls.getPartSite();\r
  37                 if (site == null) {\r
  38                         Expression exp = new WorkbenchWindowExpression(window);\r
  39                         return new SlaveSearchService((ISearchService)parent, exp);\r
  40                 }\r
  41                 if (parent instanceof SlaveSearchService) {\r
  42                         Expression parentExp = ((SlaveSearchService) parent).getDefaultExpression();\r
  43                         return new NestableSearchService((ISearchService)parent, parentExp);\r
  44                 }\r
  45                 \r
  46                 Expression exp = new ActivePartExpression(site.getPart());\r
  47                 return new SlaveSearchService((ISearchService)parent, exp);\r
  48         }\r
  49 \r
  50 }\r