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 getPreferenceStore( ).getString( RESOURCE_PREFERENCE );
	}
	/**
	 * set resource preference
	 * 
	 */
	public void setResourcePreference( String preference )
	{
		getPreferenceStore( ).setValue( RESOURCE_PREFERENCE, preference );
		CorePlugin.RESOURCE_FOLDER = preference;
	}
	/**
	 * Add View ID into ignore view list.
	 * 
	 * @param str
	 */
	public void addIgnoreViewID( String str )
	{
		ignore.add( str );
	}
	/**
	 * Remove View ID from ignore view list.
	 * 
	 * @param str
	 */
	public void removeIgnoreViewID( String str )
	{
		ignore.remove( str );
	}
	/**