Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.browsing.ui.swt / src / org / simantics / browsing / ui / swt / ViewerRowReference.java

diff --git a/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ViewerRowReference.java b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ViewerRowReference.java
new file mode 100644 (file)
index 0000000..24ec087
--- /dev/null
+++ b/bundles/org.simantics.browsing.ui.swt/src/org/simantics/browsing/ui/swt/ViewerRowReference.java
@@ -0,0 +1,65 @@
+package org.simantics.browsing.ui.swt;\r
+\r
+import org.eclipse.jface.viewers.ViewerCell;\r
+import org.eclipse.jface.viewers.ViewerRow;\r
+import org.simantics.browsing.ui.common.internal.UIElementReference;\r
+\r
+public class ViewerRowReference implements UIElementReference{\r
+       \r
+       private final Object element;\r
+       \r
+       public static ViewerRowReference create(ViewerCell cell) {\r
+               return new ViewerRowReference(cell.getViewerRow());\r
+       }\r
+       \r
+       public static ViewerRowReference create(ViewerRow row) {\r
+               return new ViewerRowReference(row);\r
+       }\r
+       \r
+       public static ViewerRowReference create(Object element) {\r
+               return new ViewerRowReference(element);\r
+       }\r
+       \r
+       private ViewerRowReference(ViewerRow row) {\r
+               this.element = row.getElement();\r
+       }\r
+       \r
+       private ViewerRowReference(Object element) {\r
+               this.element = element;\r
+       }\r
+       \r
+       @Override\r
+       public boolean hasReference() {\r
+               return element != null;\r
+       }\r
+       \r
+       @Override\r
+       public boolean isDisposed() {\r
+               if (element == null)\r
+                       return true;\r
+               return false;\r
+       }\r
+       \r
+       public Object getElement() {\r
+               return element;\r
+       }\r
+       \r
+       @Override\r
+       public int hashCode() {\r
+               if (element != null)\r
+                       return element.hashCode();\r
+               return 0;\r
+       }\r
+       \r
+       @Override\r
+       public boolean equals(Object obj) {\r
+               if (obj == null)\r
+                       return false;\r
+               if (obj.getClass() != getClass())\r
+                       return false;\r
+               if (element == null)\r
+                       return false;\r
+               ViewerRowReference other = (ViewerRowReference)obj;\r
+               return element.equals(other.element);\r
+       }\r
+}\r