Bug 149617 Support Content-type-based editor lookup
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/ReportPlugin.java
}
	/**
	 * Return enable comment preference
	 * 
	 * @return boolean The bool value of enable comment preference
	 */
	public boolean getEnableCommentPreference( )
	{
		return getPreferenceStore( ).getBoolean( ENABLE_COMMENT_PREFERENCE );
	}
	/**
	 * set enable comment preference
	 * 
	 */
	public void setEnableCommentPreference( boolean preference )
	{
		getPreferenceStore( ).setValue( ENABLE_COMMENT_PREFERENCE, preference );
	}
	/**
	 * Returns all available extension names for report design files.
	 * 
	 * @return the extension name lisr
	 */
	public List getReportExtensionNameList( )
	{
		if ( reportExtensionNames == null )
		{
			reportExtensionNames = new ArrayList( );
			IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry( );
			IConfigurationElement[] elements = extensionRegistry.getConfigurationElementsFor( "org.eclipse.ui.editors" );