bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/SeverityFolderRule.java

   1 package org.simantics.issues.ui;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Collections;\r
   5 import java.util.Set;\r
   6 \r
   7 import org.simantics.browsing.ui.model.children.ChildRule;\r
   8 import org.simantics.db.ReadGraph;\r
   9 import org.simantics.db.Resource;\r
  10 import org.simantics.db.exception.DatabaseException;\r
  11 import org.simantics.db.layer0.variable.Variable;\r
  12 import org.simantics.issues.common.IssuesOfSeverity;\r
  13 import org.simantics.issues.ui.ontology.IssueUIResource;\r
  14 \r
  15 public class SeverityFolderRule implements ChildRule {\r
  16 \r
  17         final Resource rule;\r
  18         \r
  19         public SeverityFolderRule(Resource rule) {\r
  20                 this.rule = rule;\r
  21         }\r
  22         \r
  23     @Override\r
  24     public boolean isCompatible(Class<?> contentType) {\r
  25         return contentType.equals(Resource.class);\r
  26     }\r
  27 \r
  28     @Override\r
  29     public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {\r
  30 \r
  31         IssueUIResource UI = IssueUIResource.getInstance(graph);\r
  32         Resource project = (Resource)parent;\r
  33         Resource severity = graph.getSingleObject(rule, UI.IssueBrowseContext_SeverityFolderRule_HasSeverity);\r
  34         Set<Variable> issues = graph.syncRequest(new IssuesOfSeverity(project, severity));\r
  35         if(!issues.isEmpty()) return Collections.singleton(project);\r
  36         else return Collections.emptyList();\r
  37         \r
  38     }\r
  39 \r
  40     @Override\r
  41     public Collection<?> getParents(ReadGraph graph, Object child)\r
  42             throws DatabaseException {\r
  43         return Collections.singleton(child);\r
  44     }\r
  45 \r
  46 \r
  47 }\r