Bug 134949 Themes nest in other library
Details: Themes nest in other library Step: 1. Library A use LibraryB, and Library B has a themes 2. Report design use Library A 3. I open the Library tree of A in library explorer and drop the themes from B into layout. Actual result: It pop up an error message and said that the library namespace "B" exists already. Exception result: I don't konw if I can use by this method. But I think it is a method user may be used.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/views/attributes/providers/ChoiceSetFactory.java
unitKey = DesignChoiceConstants.CHOICE_FONT_FAMILY;
		}
		else if ( AttributeConstant.TEXT_FORMAT.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_TEXT_CONTENT_TYPE;
		}
		else if ( AttributeConstant.BORDER_STYLE.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_LINE_STYLE;
		}
		else if ( AttributeConstant.BORDER_WIDTH.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_LINE_WIDTH;
		}
		else if ( SortKey.DIRECTION_MEMBER.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_SORT_DIRECTION;
		}
		else if ( FilterCondition.OPERATOR_MEMBER.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_FILTER_OPERATOR;
		}
		else if ( StyleHandle.VERTICAL_ALIGN_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_VERTICAL_ALIGN;
		}
		else if ( StyleHandle.TEXT_ALIGN_PROP.equals( property ) )
		{
			unitKey = DesignChoiceConstants.CHOICE_TEXT_ALIGN;
		}