Bug 108017 [Markers] Disabling a marker type disables the whole filter
20050825 When you disable a marker type it disables the whole dialog.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/DialogMarkerFilter.java
Composite buttonComposite = new Composite(composite, SWT.NONE);
        GridLayout buttonLayout = new GridLayout();
        buttonLayout.marginWidth = 0;
        buttonComposite.setLayout(buttonLayout);
        selectAllButton = createButton(
        		buttonComposite, 
        		SELECT_ALL_ID,
        		MarkerMessages.filtersDialog_selectAll, 
                false);
        deselectAllButton = createButton(
        		buttonComposite, 
        		DESELECT_ALL_ID,
                MarkerMessages.filtersDialog_deselectAll, 
                false);
    }
    
    /**
     * Get the currently selected marker filter if there is only one
     * selection.
     * @return MarkerFilter or <code>null</code>.
     */
    protected MarkerFilter getSelectedFilter() {
    	
    	if(selectedFilters.length == 1)
    		return selectedFilters[0];
    	return null;
	}
	private IStructuredContentProvider getContentProvider() {
        return new IStructuredContentProvider() {
            public Object[] getElements(Object inputElement) {