Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.g2d / src / org / simantics / g2d / diagram / handler / impl / DataElementMapImpl.java

diff --git a/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/DataElementMapImpl.java b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/DataElementMapImpl.java
new file mode 100644 (file)
index 0000000..ffe4263
--- /dev/null
+++ b/bundles/org.simantics.g2d/src/org/simantics/g2d/diagram/handler/impl/DataElementMapImpl.java
@@ -0,0 +1,43 @@
+/*******************************************************************************\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.g2d.diagram.handler.impl;\r
+\r
+import org.simantics.g2d.diagram.IDiagram;\r
+import org.simantics.g2d.diagram.handler.DataElementMap;\r
+import org.simantics.g2d.element.ElementHints;\r
+import org.simantics.g2d.element.ElementUtils;\r
+import org.simantics.g2d.element.IElement;\r
+\r
+/**\r
+ * @author Toni Kalajainen\r
+ */\r
+public class DataElementMapImpl implements DataElementMap {\r
+\r
+       @Override\r
+       public Object getData(IDiagram d, IElement element) {\r
+               assert(ElementUtils.getDiagram(element) == d);\r
+               return element.getHint(ElementHints.KEY_OBJECT);\r
+       }\r
+\r
+       @Override\r
+       public IElement getElement(IDiagram d, Object data) {\r
+               for (IElement e : d.getElements())\r
+               {\r
+                       Object ed = e.getHint(ElementHints.KEY_OBJECT); \r
+                       if (ed!=null && ed.equals(data))\r
+                               return e;\r
+               }\r
+               return null;\r
+       }\r
+\r
+\r
+}\r