Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.modeling.ui / src / org / simantics / modeling / ui / modelBrowser2 / model / SubscriptionNode.java

diff --git a/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/model/SubscriptionNode.java b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/model/SubscriptionNode.java
new file mode 100644 (file)
index 0000000..6619e6e
--- /dev/null
+++ b/bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/modelBrowser2/model/SubscriptionNode.java
@@ -0,0 +1,71 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.modeling.ui.modelBrowser2.model;\r
+\r
+import java.util.List;\r
+\r
+import org.eclipse.jface.viewers.ISelection;\r
+import org.simantics.browsing.ui.common.node.IDeletable;\r
+import org.simantics.browsing.ui.common.node.IDropTargetNode;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.VariableReference;\r
+import org.simantics.modeling.PropertyVariables;\r
+import org.simantics.modeling.subscription.AddSubscriptionItems;\r
+import org.simantics.modeling.utils.VariableReferences;\r
+import org.simantics.structural.ui.modelBrowser.nodes.AbstractNode;\r
+import org.simantics.ui.SimanticsUI;\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 SubscriptionNode extends AbstractNode implements IDeletable, IDropTargetNode {\r
+\r
+    public SubscriptionNode(Resource resource) {\r
+        super(resource);\r
+    }\r
+\r
+    @Override\r
+    public void drop(Object data) {\r
+        if (!(data instanceof ISelection))\r
+            return;\r
+        final List<PropertyVariables> vars = ISelectionUtils.filterSelection((ISelection) data, PropertyVariables.class);\r
+        if (!vars.isEmpty()) {\r
+            List<VariableReference> references;\r
+            try {\r
+                references = SimanticsUI.getSession().syncRequest(VariableReferences.toReferences(vars));\r
+                addSubscriptions(references);\r
+            } catch (DatabaseException e) {\r
+                ErrorLogger.defaultLogError(e);\r
+            }\r
+        } else {\r
+            final List<VariableReference> references = ISelectionUtils.filterSelection((ISelection) data, VariableReference.class);\r
+            if (!references.isEmpty()) {\r
+                addSubscriptions(references);\r
+            }\r
+        }\r
+    }\r
+\r
+    private void addSubscriptions(List<VariableReference> references) {\r
+        SimanticsUI.getSession().asyncRequest(new AddSubscriptionItems(resource, references), 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