Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/contribution/IssueContextDropAction.java b/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/contribution/IssueContextDropAction.java
new file mode 100644 (file)
index 0000000..79517a9
--- /dev/null
+++ b/bundles/org.simantics.issues.ui/src/org/simantics/issues/ui/contribution/IssueContextDropAction.java
@@ -0,0 +1,62 @@
+package org.simantics.issues.ui.contribution;\r
+\r
+import java.util.List;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.SelectionHints;\r
+import org.simantics.db.layer0.adapter.DropActionFactory;\r
+import org.simantics.issues.ontology.IssueResource;\r
+import org.simantics.modeling.PropertyVariables;\r
+import org.simantics.utils.datastructures.Callback;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+import org.simantics.utils.ui.ISelectionUtils;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class IssueContextDropAction implements DropActionFactory {\r
+\r
+    @Override\r
+    public Runnable create(ReadGraph g, Object target, Object source, int operation) throws DatabaseException {\r
+        //System.out.println("DROP: " + source + " -> " + target);\r
+\r
+        final Resource issue= ISelectionUtils.getSinglePossibleKey(target, SelectionHints.KEY_MAIN, Resource.class);\r
+        if (issue == null)\r
+            return null;\r
+\r
+        final List<PropertyVariables> vars = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, PropertyVariables.class);\r
+        if (!vars.isEmpty()) {\r
+            //System.out.println("TODO: add property container to context");\r
+        } else {\r
+            List<Resource> ctx = ISelectionUtils.getPossibleKeys(source, SelectionHints.KEY_MAIN, Resource.class);\r
+            if (!ctx.isEmpty())\r
+                addToIssueContext(g.getSession(), issue, ctx);\r
+        }\r
+\r
+        return null;\r
+    }\r
+\r
+    private void addToIssueContext(Session session, final Resource issue, final List<Resource> contexts) {\r
+        session.asyncRequest(new WriteRequest() {\r
+            @Override\r
+            public void perform(WriteGraph graph) throws DatabaseException {\r
+                final IssueResource ISSUE = IssueResource.getInstance(graph);\r
+                for (Resource ctx : contexts) {\r
+                    graph.claim(issue, ISSUE.Issue_HasContext, ISSUE.Issue_HasContext, ctx);\r
+                }\r
+            }\r
+        }, new Callback<DatabaseException>() {\r
+            @Override\r
+            public void run(DatabaseException e) {\r
+                if (e != null)\r
+                    ErrorLogger.defaultLogError(e);\r
+            }\r
+        });\r
+    }\r
+\r
+}\r