1 files changed, 107 insertions, 0 deletions
diff --git a/java/src/IceGridGUI/Application/Editable.java b/java/src/IceGridGUI/Application/Editable.java
new file mode 100644
index 00000000000..294e0ad2b9b
--- /dev/null
+++ b/java/src/IceGridGUI/Application/Editable.java
@@ -0,0 +1,107 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+package IceGridGUI.Application;
+
+class Editable implements Cloneable
+{
+    Editable(boolean brandNew)
+    {
+        _isNew = brandNew;
+    }
+
+    boolean isNew()
+    {
+        return _isNew;
+    }
+
+    boolean isModified()
+    {
+        return _modified;
+    }
+
+    void markModified()
+    {
+        _modified = true;
+    }
+
+    void commit()
+    {
+        _isNew = false;
+        _modified = false;
+        _removedElements.clear();
+    }
+ 
+    void markNew()
+    {
+        _isNew = true;
+    }
+
+    void removeElement(String id, Editable editable, Class forClass)
+    {
+        if(!editable.isNew())
+        {
+            java.util.TreeSet<String> set = _removedElements.get(forClass);
+            if(set == null)
+            {
+                set = new java.util.TreeSet<String>();
+                _removedElements.put(forClass, set);
+            }
+            set.add(id);
+        }
+    }
+    
+    String[] removedElements(Class forClass)
+    {
+        java.util.TreeSet<String> set = _removedElements.get(forClass);
+        if(set == null)
+        {
+            return new String[0];
+        }
+        else
+        {
+            return set.toArray(new String[0]);
+        }
+    }
+
+    Editable save()
+    {
+        try
+        {
+            Editable result = (Editable)clone();
+            java.util.HashMap<Class, java.util.TreeSet<String>> removedElements =
+                new java.util.HashMap<Class, java.util.TreeSet<String>>();
+            for(java.util.Map.Entry<Class, java.util.TreeSet<String>> p : result._removedElements.entrySet())
+            {
+                java.util.TreeSet<String> val = new java.util.TreeSet<String>(p.getValue());
+                removedElements.put(p.getKey(), val);
+            }
+            result._removedElements = removedElements;
+            return result;
+        }
+        catch(CloneNotSupportedException e)
+        {
+            assert false;
+            return null;
+        }
+    }
+
+    void restore(Editable clone)
+    {
+        _isNew = clone._isNew;
+        _modified = clone._modified;
+        _removedElements = clone._removedElements;
+    }
+
+    private boolean _isNew = false;
+    private boolean _modified = false;
+
+    private java.util.HashMap<Class, java.util.TreeSet<String>> _removedElements =
+        new java.util.HashMap<Class, java.util.TreeSet<String>>();
+}