Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.annotation.ui / src / org / simantics / annotation / ui / diagram / handlers / NewAnnotation.java

diff --git a/bundles/org.simantics.annotation.ui/src/org/simantics/annotation/ui/diagram/handlers/NewAnnotation.java b/bundles/org.simantics.annotation.ui/src/org/simantics/annotation/ui/diagram/handlers/NewAnnotation.java
new file mode 100644 (file)
index 0000000..3fbde77
--- /dev/null
+++ b/bundles/org.simantics.annotation.ui/src/org/simantics/annotation/ui/diagram/handlers/NewAnnotation.java
@@ -0,0 +1,90 @@
+/*******************************************************************************\r
+ * Copyright (c) 2012 Association for Decentralized Information Management in\r
+ * 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.annotation.ui.diagram.handlers;\r
+\r
+import java.util.Collection;\r
+\r
+import org.eclipse.core.commands.AbstractHandler;\r
+import org.eclipse.core.commands.ExecutionEvent;\r
+import org.eclipse.core.commands.ExecutionException;\r
+import org.eclipse.jface.viewers.ISelection;\r
+import org.eclipse.ui.handlers.HandlerUtil;\r
+import org.simantics.Simantics;\r
+import org.simantics.annotation.ui.AnnotationUtils;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.common.request.ReadRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.diagram.content.ConnectionUtil;\r
+import org.simantics.diagram.function.PredefinedVariables;\r
+import org.simantics.modeling.ModelingResources;\r
+import org.simantics.ui.utils.ResourceAdaptionUtils;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+public class NewAnnotation extends AbstractHandler {\r
+       Resource anno = null;\r
+       Resource strConnection = null;\r
+       Resource model = null;\r
+       \r
+       @Override\r
+    public Object execute(ExecutionEvent event) throws ExecutionException {\r
+               \r
+               ISelection selection = HandlerUtil.getCurrentSelection(event);\r
+        final Resource parent = ResourceAdaptionUtils.toSingleResource(selection);\r
+        if(parent == null) return null;\r
+        \r
+        try {\r
+               \r
+                       Simantics.getSession().syncRequest(new ReadRequest() {\r
+\r
+                               @Override\r
+                               public void run(ReadGraph graph) throws DatabaseException {\r
+                                       \r
+                                       Variable parentV = Variables.getVariable(graph, parent);\r
+                                       \r
+                                       model = Variables.getModel(graph, parentV);\r
+\r
+                                       ConnectionUtil cu = new ConnectionUtil(graph);\r
+                               Collection<Resource> connectors = cu.getTerminalConnectors(parent, null);\r
+                               Resource connection = null;\r
+                               for (Resource connector : connectors) {\r
+                                   connection = ConnectionUtil.tryGetConnection(graph, connector);\r
+                                   if (connection != null)\r
+                                       break;\r
+                               }\r
+                               if (connection == null)\r
+                                       return;\r
+                               \r
+                               ModelingResources MOD = ModelingResources.getInstance(graph);\r
+                               strConnection = graph.getPossibleObject(connection, MOD.DiagramConnectionToConnection);\r
+                               if (strConnection == null)\r
+                                       return;\r
+                               \r
+                               anno = PredefinedVariables.getAnnotation(graph, parent);\r
+                               }\r
+                       });\r
+\r
+               if (strConnection == null)\r
+                       return null;\r
+               if (anno == null)\r
+                   AnnotationUtils.newAnnotation(parent, model);\r
+\r
+               } catch (DatabaseException e) {\r
+                       ErrorLogger.defaultLogError(e);\r
+               }\r
+\r
+        return null;\r
+    }\r
+\r
+}\r