Bug 212008 [Presentations] Problemss View loses icon when it gets focus in n I20071204-1547
Everything is in the title.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/ExtendedMarkersView.java
* @param generator
	 * @return boolean
	 */
	boolean isShowing(MarkerContentGenerator generator) {
		return this.builder.getGenerator().equals(generator);
	}
	/**
	 * Open the filters dialog for the receiver.
	 */
	void openFiltersDialog() {
		FiltersConfigurationDialog dialog = new FiltersConfigurationDialog(
				new SameShellProvider(getSite().getWorkbenchWindow().getShell()),
				builder.getGenerator());
		if (dialog.open() == Window.OK) {
			builder.updateFrom(dialog);
		}
	}
	/**
	 * Open the selected markers
	 */
	void openSelectedMarkers() {
		IMarker[] markers = getSelectedMarkers();
		for (int i = 0; i < markers.length; i++) {
			IMarker marker = markers[i];
			IWorkbenchPage page = getSite().getPage();
			openMarkerInEditor(marker, page);
		}
	}
	/**
	 * Register the context menu for the receiver so that commands may be added