How to use org.eclipse.jface.text.quickassist

/**
 * Callback to signal this quick assist assistant that the presentation of the
 * possible completions has been stopped.
 */
protected void possibleCompletionsClosed() {
  fQuickAssistAssistantImpl.possibleCompletionsClosed();
}

/**
 * {@inheritDoc}
 *
 * @since 3.4
 */
@Override
public final IHandler getHandler(String commandId) {
  return fQuickAssistAssistantImpl.getHandler(commandId);
}

/**
 * Hides any open pop-ups.
 *
 * @since 3.4
 */
protected void hide() {
  fQuickAssistAssistantImpl.hide();
}

@Override
public void uninstall() {
 // if (fLightBulbUpdater != null) {
 // fLightBulbUpdater.uninstall();
 // fLightBulbUpdater = null;
 // }
 super.uninstall();
}

public QuickAssistAssistant() {
  fQuickAssistAssistantImpl= new QuickAssistAssistantImpl();
  fQuickAssistAssistantImpl.enableAutoActivation(false);
  fQuickAssistAssistantImpl.enableAutoInsert(false);
}

@Override
public void install(ISourceViewer sourceViewer) {
  super.install(sourceViewer);
  viewer = sourceViewer;
}

/**
 * {@inheritDoc}
 *
 * @since 3.4
 */
@Override
public void enableColoredLabels(boolean isEnabled) {
  fQuickAssistAssistantImpl.enableColoredLabels(isEnabled);
}

@Override
public boolean canAssist(IQuickAssistInvocationContext invocationContext) {
  return fQuickAssistProcessor != null && fQuickAssistProcessor.canAssist(invocationContext);
}

@Override
public void setProposalSelectorBackground(Color background) {
  fQuickAssistAssistantImpl.setProposalSelectorBackground(background);
}

@Override
public void setStatusMessage(String message) {
  fQuickAssistAssistantImpl.setStatusMessage(message);
}

@Override
public String showPossibleQuickAssists() {
  return fQuickAssistAssistantImpl.showPossibleCompletions();
}

@Override
public void setProposalSelectorForeground(Color foreground) {
  fQuickAssistAssistantImpl.setProposalSelectorForeground(foreground);
}

@Override
public void addCompletionListener(ICompletionListener listener) {
  fQuickAssistAssistantImpl.addCompletionListener(listener);
}

@Override
public void uninstall() {
  viewer = null;
  super.uninstall();
}

public QuickAssistAssistant() {
  fQuickAssistAssistantImpl= new QuickAssistAssistantImpl();
  fQuickAssistAssistantImpl.enableAutoActivation(false);
  fQuickAssistAssistantImpl.enableAutoInsert(false);
}

@Override
public void install(ISourceViewer sourceViewer) {
 super.install(sourceViewer);
 fViewer = sourceViewer;
 // fLightBulbUpdater = new
 // RutaQuickAssistLightBulbUpdater(fEditor,
 // sourceViewer);
 // fLightBulbUpdater.install();
}

/**
 * Callback to signal this quick assist assistant that the presentation of the
 * possible completions has been stopped.
 */
protected void possibleCompletionsClosed() {
  fQuickAssistAssistantImpl.possibleCompletionsClosed();
}

/**
 * {@inheritDoc}
 *
 * @since 3.4
 */
@Override
public final IHandler getHandler(String commandId) {
  return fQuickAssistAssistantImpl.getHandler(commandId);
}

/**
 * Hides any open pop-ups.
 *
 * @since 3.4
 */
protected void hide() {
  fQuickAssistAssistantImpl.hide();
}

/**
 * {@inheritDoc}
 *
 * @since 3.4
 */
@Override
public void enableColoredLabels(boolean isEnabled) {
  fQuickAssistAssistantImpl.enableColoredLabels(isEnabled);
}