Bug 14390 npe on sorting in outline
20020418+ (20020418.2) java.lang.NullPointerException at org.eclipse.jdt.internal.ui.text.link.LinkedPositionUI.initializeHighlightColor (LinkedPositionUI.java:109) at org.eclipse.jdt.internal.ui.text.link.LinkedPositionUI.propertyChange (LinkedPositionUI.java:100) at org.eclipse.ui.plugin.AbstractUIPlugin$CompatibilityPreferenceStore.fireProperty ChangeEvent(AbstractUIPlugin.java:247) at org.eclipse.ui.plugin.AbstractUIPlugin$1.propertyChange (AbstractUIPlugin.java:188) at org.eclipse.core.runtime.Preferences.firePropertyChangeEvent (Preferences.java:505) at org.eclipse.core.runtime.Preferences.setValue(Preferences.java:563) at org.eclipse.ui.plugin.AbstractUIPlugin$CompatibilityPreferenceStore.setValue (AbstractUIPlugin.java:457) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$LexicalSortingAction.valu eChanged(JavaOutlinePage.java:569) at org.eclipse.jdt.internal.ui.javaeditor.JavaOutlinePage$LexicalSortingAction.run (JavaOutlinePage.java:558) at org.eclipse.jface.action.Action.runWithEvent(Action.java:590) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection (ActionContributionItem.java:407) at org.eclipse.jface.action.ActionContributionItem.handleWidgetEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.jface.action.ActionContributionItem$ActionListener.handleEvent (ActionContributionItem.java(Compiled Code)) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java (Compiled Code)) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java(Compiled Code)) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java (Compiled Code)) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java (Compiled Code)) at org.eclipse.ui.internal.Workbench.run(Workbench.java:816) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:643) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:349) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:195) at org.eclipse.core.launcher.Main.run(Main.java:541) at org.eclipse.core.launcher.Main.main(Main.java:396)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/link/LinkedPositionUI.java
Assert.isNotNull(viewer);
		Assert.isNotNull(manager);
		
		fViewer= viewer;
		fManager= manager;
		
		fManager.setLinkedPositionListener(this);
		initializeHighlightColor(viewer);
	}
	/**
	 * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
	 */
	public void propertyChange(PropertyChangeEvent event) {
		initializeHighlightColor(fViewer);
		redrawRegion();
	}
	private void initializeHighlightColor(ITextViewer viewer) {
		if (fFrameColor != null)
			fFrameColor.dispose();
		Display display= viewer.getTextWidget().getDisplay();
		fFrameColor= createColor(fgStore, CompilationUnitEditor.LINKED_POSITION_COLOR, display);
	}
	/**
	 * Creates a color from the information stored in the given preference store.
	 * Returns <code>null</code> if there is no such information available.
	 */
	private Color createColor(IPreferenceStore store, String key, Display display) {
	
		RGB rgb= null;