Bug 196767 "Finish" button does not take effect when first use CSS file then import CSS style in a library [0303]
Description: "OK" button is disabled when first use CSS file then import CSS style in a library. Build number: 2.2.1.v20070717-0630 Steps to reproduce: 1. New a library, in Outline view, right click to select default Theme->Use CSS File..., select one css file, click "OK". 2. in Outline view, right click to select default Theme->Import CSS Style..., select one css file, click "Select All" button, click "OK". Expected result: "OK" button is enabled. Actual result: "Ok" button is disabled. Error log: N/A
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ThemeHandle.java
Iterator iterator = propHandle.iterator( );
		while ( iterator.hasNext( ) )
		{
			CssStyleSheetHandle handle = (CssStyleSheetHandle) iterator.next( );
			set.add( handle.getFileName( ) );
		}
		
		int index = 0;
		String baseName = name;
		while ( set.contains( name ) )
		{
			name = baseName + ++index;
		}
		return name;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.DesignElementHandle#getDisplayLabel(int)
	 */
	public String getDisplayLabel( int level )
	{
		String displayLabel = super.getDisplayLabel( level );
		Module rootModule = getModule( );
		if ( rootModule instanceof Library )
			displayLabel = StringUtil.buildQualifiedReference(
					( (Library) rootModule ).getNamespace( ), displayLabel );
		return displayLabel;
	}
	/**