Bug 149617 Support Content-type-based editor lookup
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/ReportPlugin.java
* 
	 * @param element
	 *            the string of default names
	 */
	public void setCustomNamePreference( String element )
	{
		getPreferenceStore( ).setValue( CUSTOM_NAME_PREFERENCE, element );
	}
	/**
	 * Set descriptions for the element names from String[]
	 * 
	 * @param elements
	 *            the array of descriptions
	 */
	public void setDescriptionPreference( String[] elements )
	{
		getPreferenceStore( ).setValue( DESCRIPTION_PREFERENCE,
				convertStrArray2Str( elements ) );
	}
	/**
	 * Set descriptions for the element names from String
	 * 
	 * @param element
	 *            the string of descriptions
	 */
	public void setDescriptionPreference( String element )
	{
		getPreferenceStore( ).setValue( DESCRIPTION_PREFERENCE, element );
	}
	/**