Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / handler / DefaultCopyPasteStrategy.java

diff --git a/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/DefaultCopyPasteStrategy.java b/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/DefaultCopyPasteStrategy.java
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+++ b/bundles/org.simantics.diagram/src/org/simantics/diagram/handler/DefaultCopyPasteStrategy.java
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+/*******************************************************************************\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.diagram.handler;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.util.SimanticsClipboardImpl;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+/**\r
+ * The default strategy for pasting diagram elements.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class DefaultCopyPasteStrategy implements CopyPasteStrategy {\r
+\r
+    @Override\r
+    public void paste(final PasteOperation op) {\r
+        try {\r
+            if (op.sameDiagram() && op.cut) {\r
+                CopyPasteUtil.localCutPaste(op);\r
+            } else {\r
+                Session session = Simantics.getSession();\r
+                if (CopyPasteUtil.onlyFlagsWithoutCorrespondence(session, op.ea)\r
+                        && CopyPasteUtil.checkFlagExternality(session, op.ea.flags, false)) {\r
+                    CopyPasteUtil.continueFlags(op);\r
+                } else {\r
+                    CopyPasteUtil.performDefaultPaste(op);\r
+                }\r
+            }\r
+        } catch (DatabaseException e) {\r
+            ErrorLogger.defaultLogError(e);\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public void copyToClipboard(DiagramSelection selection) {\r
+        \r
+        Simantics.setClipboard( new SimanticsClipboardImpl( new DiagramSelectionRepresentation(selection) ) );\r
+        \r
+    }\r
+    \r
+}
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