Bug 212733 [Markers] Problem view no longer updates when changing the visible marker limit
Version: 3.4.0 Build id: I20071211-0010 By default, the view shows 100 markers. When changing this limit (through marker prefs), the view doesn't update. One need to close/reopen for this to get taken into account. This is a regression.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
* to it.
	 */
	private void registerContextMenu() {
		MenuManager contextMenu = new MenuManager();
		contextMenu.setRemoveAllWhenShown(true);
		getSite().registerContextMenu(contextMenu, viewer);
		
		if (!getSite().getId().equals(MarkerSupportRegistry.MARKERS_ID))
			getSite().registerContextMenu(MarkerSupportRegistry.MARKERS_ID,
					contextMenu, viewer);
		Control control = viewer.getControl();
		Menu menu = contextMenu.createContextMenu(control);
		control.setMenu(menu);
	}
	/**
	 * Remove the category from the list of expanded ones.
	 * 
	 * @param category
	 */
	void removeExpandedCategory(MarkerCategory category) {
		categoriesToExpand.remove(category.getName());
	}
	/**
	 * Preserve the selection for re-selection after the next update.
	 * 
	 * @param selection
	 */
	void saveSelection(ISelection selection) {
		preservedSelection.clear();
		if (selection instanceof IStructuredSelection) {