Bug 203838 [Markers] [Markers] clicking on column headers does not sort table
I20070918 Clicking on any of the column headers does not sort based on the relevant column.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/MarkerContentGenerator.java
/**
	 * Return the name for the receiver.
	 * 
	 * @return String
	 */
	public String getName() {
		return configurationElement
				.getAttribute(MarkerSupportConstants.ATTRIBUTE_NAME);
	}
	/**
	 * Return all of the projects being shown.
	 * 
	 * @param focusResources
	 * @return IResource[]
	 */
	private IResource[] getProjects(IResource[] focusResources) {
		if (focusResources.length == 0)
			return EMPTY_RESOURCE_ARRAY;
		HashSet projects = new HashSet();
		for (int idx = 0; idx < focusResources.length; idx++) {
			projects.add(focusResources[idx].getProject());
		}
		if (projects.isEmpty())
			return EMPTY_RESOURCE_ARRAY;
		return (IResource[]) projects.toArray(new IResource[projects.size()]);
	}
	/**
	 * Get the resources in the current working set.
	 * 
	 * @return IResource[]