Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.issues.ui / src / org / simantics / issues / ui / SeverityFolderRule.java

diff --git a/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/SeverityFolderRule.java b/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/SeverityFolderRule.java
new file mode 100644 (file)
index 0000000..b1bc063
--- /dev/null
+++ b/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/SeverityFolderRule.java
@@ -0,0 +1,47 @@
+package org.simantics.issues.ui;\r
+\r
+import java.util.Collection;\r
+import java.util.Collections;\r
+import java.util.Set;\r
+\r
+import org.simantics.browsing.ui.model.children.ChildRule;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.issues.common.IssuesOfSeverity;\r
+import org.simantics.issues.ui.ontology.IssueUIResource;\r
+\r
+public class SeverityFolderRule implements ChildRule {\r
+\r
+       final Resource rule;\r
+       \r
+       public SeverityFolderRule(Resource rule) {\r
+               this.rule = rule;\r
+       }\r
+       \r
+    @Override\r
+    public boolean isCompatible(Class<?> contentType) {\r
+        return contentType.equals(Resource.class);\r
+    }\r
+\r
+    @Override\r
+    public Collection<?> getChildren(ReadGraph graph, Object parent) throws DatabaseException {\r
+\r
+       IssueUIResource UI = IssueUIResource.getInstance(graph);\r
+       Resource project = (Resource)parent;\r
+       Resource severity = graph.getSingleObject(rule, UI.IssueBrowseContext_SeverityFolderRule_HasSeverity);\r
+        Set<Variable> issues = graph.syncRequest(new IssuesOfSeverity(project, severity));\r
+        if(!issues.isEmpty()) return Collections.singleton(project);\r
+        else return Collections.emptyList();\r
+        \r
+    }\r
+\r
+    @Override\r
+    public Collection<?> getParents(ReadGraph graph, Object child)\r
+            throws DatabaseException {\r
+       return Collections.singleton(child);\r
+    }\r
+\r
+\r
+}\r