Bug 213040 [Markers] Selected filters not being kept on restart
When I select "Warnings on Selection" and then restart it is not selected when I come back in. We need to retain these selections. Note this is only a problem when selecting from the menu - from the dialog works fine.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
}
		}
		return enabledFilters;
	}
	/**
	 * Return the id of the receiver.
	 * 
	 * @return String
	 */
	public String getId() {
		return configurationElement
				.getAttribute(MarkerSupportConstants.ATTRIBUTE_ID);
	}
	/**
	 * Get the markerGroups associated with the receiver.
	 * 
	 * @return Collection of {@link MarkerGroup}
	 */
	Collection getMarkerGroups() {
		Collection groups = new HashSet();
		
		addDefinedGroups(groups);
		
		Iterator referencingGroups = MarkerSupportRegistry.getInstance()
				.getMarkerGroups().iterator();
		
		while(referencingGroups.hasNext()){
			MarkerGroup next = (MarkerGroup) referencingGroups.next();
			if(next.isGroupingFor(this.getId()))
				groups.add(next);