Bug 256844 [CSS] TK-UI CSS engine for Nebula widget
examples/org.eclipse.e4.ui.examples.css/src/org/eclipse/e4/ui/examples/css/editor/AbstractCSSSWTEditor.java
return leftPanel;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.core.css.examples.csseditors.AbstractCSSEditor#getWindowNativeWidget()
	 */
	protected Object getWindowNativeWidget() {
		return shell;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.core.css.examples.csseditors.AbstractCSSEditor#getCSSNativeWidgetSerializerConfiguration()
	 */
	protected CSSSerializerConfiguration getCSSNativeWidgetSerializerConfiguration() {
		return CSSSWTSerializerConfiguration.INSTANCE;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.core.css.examples.csseditors.AbstractCSSEditor#getCSSFileWidgetItemCount()
	 */
	protected int getCSSFilesWidgetItemCount() {
		return cssFilesWidget.getItemCount();
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.e4.ui.core.css.examples.csseditors.AbstractCSSEditor#getCSSFileWidgetSelectionIndex()