How to use

ensureHyperlinkManagerInstalled

method

in

org.eclipse.jface.text.TextViewer

/**
 * Sets the hyperlink presenter.
 * <p>
 * This is only valid as long as the hyperlink manager hasn't
 * been created yet.
 * </p>
 *
 * @param hyperlinkPresenter the hyperlink presenter
 * @throws IllegalStateException if the hyperlink manager has already been created
 * @since 3.1
 */
public void setHyperlinkPresenter(IHyperlinkPresenter hyperlinkPresenter) throws IllegalStateException {
  if (fHyperlinkManager != null)
    throw new IllegalStateException();
  fHyperlinkPresenter= hyperlinkPresenter;
  ensureHyperlinkManagerInstalled();
}

/**
 * Sets the hyperlink presenter.
 * <p>
 * This is only valid as long as the hyperlink manager hasn't
 * been created yet.
 * </p>
 *
 * @param hyperlinkPresenter the hyperlink presenter
 * @throws IllegalStateException if the hyperlink manager has already been created
 * @since 3.1
 */
public void setHyperlinkPresenter(IHyperlinkPresenter hyperlinkPresenter) throws IllegalStateException {
  if (fHyperlinkManager != null)
    throw new IllegalStateException();
  fHyperlinkPresenter= hyperlinkPresenter;
  ensureHyperlinkManagerInstalled();
}

@Override
public void activatePlugins() {
  if (fDoubleClickStrategies != null && !fDoubleClickStrategies.isEmpty() && fDoubleClickStrategyConnector == null) {
    fDoubleClickStrategyConnector= new TextDoubleClickStrategyConnector();
    fTextWidget.addWordMovementListener(fDoubleClickStrategyConnector);
    fTextWidget.addMouseListener(fDoubleClickStrategyConnector);
  }
  ensureHoverControlManagerInstalled();
  ensureHyperlinkManagerInstalled();
  if (fUndoManager != null) {
    fUndoManager.connect(this);
    fUndoManager.reset();
  }
}

@Override
public void activatePlugins() {
  if (fDoubleClickStrategies != null && !fDoubleClickStrategies.isEmpty() && fDoubleClickStrategyConnector == null) {
    fDoubleClickStrategyConnector= new TextDoubleClickStrategyConnector();
    fTextWidget.addWordMovementListener(fDoubleClickStrategyConnector);
    fTextWidget.addMouseListener(fDoubleClickStrategyConnector);
  }
  ensureHoverControlManagerInstalled();
  ensureHyperlinkManagerInstalled();
  if (fUndoManager != null) {
    fUndoManager.connect(this);
    fUndoManager.reset();
  }
}

@Override
public void setHyperlinkDetectors(IHyperlinkDetector[] hyperlinkDetectors, int eventStateMask) {
  if (fHyperlinkDetectors != null) {
    for (IHyperlinkDetector fHyperlinkDetector : fHyperlinkDetectors) {
      if (fHyperlinkDetector instanceof IHyperlinkDetectorExtension)
        ((IHyperlinkDetectorExtension)fHyperlinkDetector).dispose();
    }
  }
  boolean enable= hyperlinkDetectors != null && hyperlinkDetectors.length > 0;
  fHyperlinkStateMask= eventStateMask;
  fHyperlinkDetectors= hyperlinkDetectors;
  if (enable) {
    if (fHyperlinkManager != null) {
      fHyperlinkManager.setHyperlinkDetectors(fHyperlinkDetectors);
      fHyperlinkManager.setHyperlinkStateMask(fHyperlinkStateMask);
    }
    ensureHyperlinkManagerInstalled();
  } else {
    if (fHyperlinkManager != null)
      fHyperlinkManager.uninstall();
    fHyperlinkManager= null;
  }
}

@Override
public void setHyperlinkDetectors(IHyperlinkDetector[] hyperlinkDetectors, int eventStateMask) {
  if (fHyperlinkDetectors != null) {
    for (int i= 0; i < fHyperlinkDetectors.length; i++) {
      if (fHyperlinkDetectors[i] instanceof IHyperlinkDetectorExtension)
        ((IHyperlinkDetectorExtension)fHyperlinkDetectors[i]).dispose();
    }
  }
  boolean enable= hyperlinkDetectors != null && hyperlinkDetectors.length > 0;
  fHyperlinkStateMask= eventStateMask;
  fHyperlinkDetectors= hyperlinkDetectors;
  if (enable) {
    if (fHyperlinkManager != null) {
      fHyperlinkManager.setHyperlinkDetectors(fHyperlinkDetectors);
      fHyperlinkManager.setHyperlinkStateMask(fHyperlinkStateMask);
    }
    ensureHyperlinkManagerInstalled();
  } else {
    if (fHyperlinkManager != null)
      fHyperlinkManager.uninstall();
    fHyperlinkManager= null;
  }
}