Bug 135265 Paste to a wrong column
Steps to reproduce: 1.Open the attached file 2.Choose the column[2] which contains a label , copy and paste to column[3] Expected result: It will be pasted to column[3] Actual result: It is pasted to column[4] The related bug is #103448
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/PropertyHandle.java
{
		boolean isReadOnly = false;
		Module root = getElementHandle( ).getModule( );
		assert root != null;
		if ( root.isReadOnly( ) )
			isReadOnly = true;
		else
		{
			switch ( propDefn.getValueType( ) )
			{
				case PropertyDefn.SYSTEM_PROPERTY :
				case PropertyDefn.EXTENSION_PROPERTY :
				case PropertyDefn.ODA_PROPERTY :
					IElementDefn elementDefn = getElementHandle( ).getDefn( );
					if ( elementDefn.isPropertyReadOnly( propDefn.getName( ) ) )
						isReadOnly = true;
					break;
				case PropertyDefn.EXTENSION_MODEL_PROPERTY :
					if ( propDefn.isReadOnly( ) )
						isReadOnly = true;
					break;
			}
		}
		if ( isReadOnly )
			return true;
		return isReadOnlyInContext( );
	}
	/*
	 * (non-Javadoc)
	 *