/**
 * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getReconciler(org.eclipse.jface.text.source.ISourceViewer)
 */
@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
    if (fPreferenceStore == null || !fPreferenceStore.getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED))
        return null;
    if (!TexlipsePlugin.getDefault().getPreferenceStore().getBoolean(TexlipseProperties.ECLIPSE_BUILDIN_SPELLCHECKER))
        return null;
    //Set TeXlipse spelling Engine as default
    PreferenceStore store = new PreferenceStore();
    store.setValue(SpellingService.PREFERENCE_SPELLING_ENGINE, 
            "org.eclipse.texlipse.LaTeXSpellEngine");
    store.setValue(SpellingService.PREFERENCE_SPELLING_ENABLED, 
    true);
    SpellingService spellingService = new SpellingService(store);
    if (spellingService.getActiveSpellingEngineDescriptor(store) == null)
        return null;
    IReconcilingStrategy strategy= new TeXSpellingReconcileStrategy(sourceViewer, spellingService);
    
    MonoReconciler reconciler= new MonoReconciler(strategy, true);
    reconciler.setDelay(500);
    reconciler.setProgressMonitor(new NullProgressMonitor());
    return reconciler;
}
 

/**
 * {@inheritDoc}
 */
@Override
public void install(ITextViewer textViewer) {
    super.install(textViewer);
    
    propertyChangeListener = new IPropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent event) {
            boolean isEpeelingEnambed = SpellingService.PREFERENCE_SPELLING_ENABLED.equals(event.getProperty())
                                     || SpellingService.PREFERENCE_SPELLING_ENGINE.equals(event.getProperty());
            if (isEpeelingEnambed) {
                forceReconciling();
            }
        }
    };
    EditorsUI.getPreferenceStore().addPropertyChangeListener(propertyChangeListener);
}
 

@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
	if (!EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED))
		return null;

	IReconcilingStrategy strategy= new SpellingReconcileStrategy(sourceViewer, EditorsUI.getSpellingService()) {
		@Override
		protected IContentType getContentType() {
			return PROPERTIES_CONTENT_TYPE;
		}
	};

	MonoReconciler reconciler= new MonoReconciler(strategy, false);
	reconciler.setDelay(500);
	return reconciler;
}
 

public final void propertyChange(final PropertyChangeEvent event) {
	if (event.getProperty().equals(PreferenceConstants.SPELLING_LOCALE)) {
		resetSpellChecker();
		return;
	}

	if (event.getProperty().equals(PreferenceConstants.SPELLING_USER_DICTIONARY)) {
		resetUserDictionary();
		return;
	}

	if (event.getProperty().equals(PreferenceConstants.SPELLING_USER_DICTIONARY_ENCODING)) {
		resetUserDictionary();
		return;
	}

	if (event.getProperty().equals(SpellingService.PREFERENCE_SPELLING_ENABLED) && !EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED)) {
		if (this == fgEngine)
			SpellCheckEngine.shutdownInstance();
		else
			shutdown();
	}
}
 

@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
	if (!EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED))
		return null;

	IReconcilingStrategy strategy = new SpellingReconcileStrategy(sourceViewer, EditorsUI.getSpellingService()) {
		@Override
		protected IContentType getContentType() {
			return EditorConfigTextTools.EDITORCONFIG_CONTENT_TYPE;
		}
	};

	MonoReconciler reconciler = new MonoReconciler(strategy, false);
	reconciler.setDelay(500);
	return reconciler;
}
 

@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
    if (fPreferenceStore == null || !fPreferenceStore.getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED)) {
        return null;
    }

    SpellingService spellingService = EditorsUI.getSpellingService();
    if (spellingService.getActiveSpellingEngineDescriptor(fPreferenceStore) == null) {
        return null;
    }

    //Overridden (just) to return a PyReconciler!
    IReconcilingStrategy strategy = new PyReconciler(sourceViewer, spellingService);

    MonoReconciler reconciler = new MonoReconciler(strategy, false);
    reconciler.setIsIncrementalReconciler(false);
    reconciler.setProgressMonitor(new NullProgressMonitor());
    reconciler.setDelay(500);
    return reconciler;
}
 

/**
 * Creates a new comment reconcile strategy.
 *
 * @param viewer the source viewer
 * @param spellingService the spelling service to use
 */
public TeXSpellingReconcileStrategy(ISourceViewer viewer, SpellingService spellingService) {
    Assert.isNotNull(viewer);
    Assert.isNotNull(spellingService);
    fViewer= viewer;
    fSpellingService= spellingService;
    fSpellingContext= new SpellingContext();
    fSpellingContext.setContentType(getContentType());

}
 

public final void propertyChange(final PropertyChangeEvent event) {
    if (event.getProperty().equals(SpellingService.PREFERENCE_SPELLING_ENABLED) && !EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED)) {
        if (this == fgEngine)
            SpellCheckEngine.shutdownInstance();
        else
            shutdown();
    }
}
 

@Override
public IReconciler getReconciler(ISourceViewer sourceViewer)
{
	if (fTextEditor != null && fTextEditor.isEditable())
	{
		IReconcilingStrategy reconcilingStrategy = new CommonReconcilingStrategy(fTextEditor);
		if (EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED))
		{
			SpellingService spellingService = EditorsUI.getSpellingService();
			Collection<String> spellingContentTypes = getSpellingContentTypes(sourceViewer);
			if (spellingService.getActiveSpellingEngineDescriptor(fPreferenceStore) != null
					&& !spellingContentTypes.isEmpty())
			{
				reconcilingStrategy = new CompositeReconcilingStrategy(reconcilingStrategy,
						new MultiRegionSpellingReconcileStrategy(sourceViewer, spellingService,
								getConfiguredDocumentPartitioning(sourceViewer), spellingContentTypes));
			}
		}
		CommonReconciler reconciler = new CommonReconciler(reconcilingStrategy);
		reconciler.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
		reconciler.setIsIncrementalReconciler(false);
		reconciler.setIsAllowedToModifyDocument(false);
		reconciler.setProgressMonitor(new NullProgressMonitor());
		reconciler.setDelay(500);
		return fReconciler = reconciler;
	}
	return null;
}
 

private void updateStatus()
{
	boolean spellingEnabled = EditorsUI.getPreferenceStore()
			.getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED);
	if (globalPreferencesLink != null)
	{
		String spellingEnabledMessage = Messages.SpellingPreferencePage_EnabledMessage;
		String spellingDisabledMessage = Messages.SpellingPreferencePage_DisabledMessage;
		globalPreferencesLink.setText(spellingEnabled ? spellingEnabledMessage : spellingDisabledMessage);
	}
	if (tableViewer != null)
	{
		tableViewer.getControl().setEnabled(spellingEnabled);
	}
}
 

@Override
public void install(ITextViewer textViewer) {
	super.install(textViewer);

	fPartListener= new PartListener();
	IWorkbenchPartSite site= fTextEditor.getSite();
	IWorkbenchWindow window= site.getWorkbenchWindow();
	window.getPartService().addPartListener(fPartListener);

	fActivationListener= new ActivationListener(textViewer.getTextWidget());
	Shell shell= window.getShell();
	shell.addShellListener(fActivationListener);

	fJavaElementChangedListener= new ElementChangedListener();
	JavaCore.addElementChangedListener(fJavaElementChangedListener);

	fResourceChangeListener= new ResourceChangeListener();
	IWorkspace workspace= JavaPlugin.getWorkspace();
	workspace.addResourceChangeListener(fResourceChangeListener);

	fPropertyChangeListener= new IPropertyChangeListener() {
		public void propertyChange(PropertyChangeEvent event) {
			if (SpellingService.PREFERENCE_SPELLING_ENABLED.equals(event.getProperty()) || SpellingService.PREFERENCE_SPELLING_ENGINE.equals(event.getProperty()))
				forceReconciling();
		}
	};
	JavaPlugin.getDefault().getCombinedPreferenceStore().addPropertyChangeListener(fPropertyChangeListener);

	fReconciledElement= EditorUtility.getEditorInputJavaElement(fTextEditor, false);
}
 

/**
 * Creates a new comment reconcile strategy.
 * 
 * @param viewer the source viewer
 * @param spellingService the spelling service to use
 */
public PyReconciler(ISourceViewer viewer, SpellingService spellingService) {
    Assert.isNotNull(viewer);
    Assert.isNotNull(spellingService);
    fViewer = viewer;
    fSpellingService = spellingService;
    fSpellingContext = new SpellingContext();
    fSpellingContext.setContentType(getContentType());
}
 

protected boolean isSpellingEnabled() {
	return spellingProblemCollector != null && EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED);
}
 

public final void apply(final IDocument document) {
	IPreferenceStore store= EditorsUI.getPreferenceStore();
	store.setValue(SpellingService.PREFERENCE_SPELLING_ENABLED, false);
}
 

public static SpellingService getSpellingService() {
  if (spellingService == null) {
    spellingService = new GWTSpellingService();
  }
  return spellingService;
}
 

/**
 * @param viewer
 * @param spellingService
 */
public MultiRegionSpellingReconcileStrategy(ISourceViewer viewer, SpellingService spellingService, String documentPartitioning, Collection<String> contentTypes) {
	super(viewer, spellingService);
	this.documentPartitioning = documentPartitioning;
	this.contentTypes = contentTypes;
}
 

private boolean isSpellingEnabled() {
	return EditorsUI.getPreferenceStore().getBoolean(SpellingService.PREFERENCE_SPELLING_ENABLED);
}
 

public final void apply(final IDocument document) {
	IPreferenceStore store= EditorsUI.getPreferenceStore();
	store.setValue(SpellingService.PREFERENCE_SPELLING_ENABLED, false);
}