Bug 136178 [Markers] Quick filter selection is not updating the view
20050411 Selecting and deselecting filters from the drop down is not changing the filters until you open the dialog
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
}
	/**
	 * Update for filter changes. Save the preference and clear the enabled
	 * cache.
	 */
	void updateForFilterChanges() {
		XMLMemento memento = XMLMemento.createWriteRoot(TAG_FILTERS_SECTION);
		writeFiltersSettings(memento);
		StringWriter writer = new StringWriter();
		try {
			memento.save(writer);
		} catch (IOException e) {
			IDEWorkbenchPlugin.getDefault().getLog().log(Util.errorStatus(e));
		}
		IDEWorkbenchPlugin.getDefault().getPreferenceStore().putValue(
				getFiltersPreferenceName(), writer.toString());
		IDEWorkbenchPlugin.getDefault().savePluginPreferences();
		clearEnabledFilters();
	}
	/**
	 * Write the filter settings to the memento.
	 * 
	 * @param memento
	 */
	protected void writeFiltersSettings(XMLMemento memento) {
		MarkerFilter[] filters = getUserFilters();
		for (int i = 0; i < filters.length; i++) {
			IMemento child = memento.createChild(TAG_FILTER_ENTRY, filters[i]
					.getName());
			filters[i].saveFilterSettings(child);