Bug 87683 [Preferences] Preferences hover should show unshortened text
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/DialogMessageArea.java
public void restoreTitle() {
        titleLabel.setVisible(true);
        messageComposite.setVisible(false);
        lastMessageText = null;
        lastMessageType = IMessageProvider.NONE;
    }
    /**
     * Show the new message in the message text and update the image. Base the
     * background color on whether or not there are errors.
     * 
     * @param newMessage
     *            The new value for the message
     * @param newType
     *            One of the IMessageProvider constants. If newType is
     *            IMessageProvider.NONE show the title.
     * @see IMessageProvider
     */
    public void updateText(String newMessage, int newType) {
        Image newImage = null;
        switch (newType) {
        case IMessageProvider.NONE:
            if (newMessage == null)
                restoreTitle();
            else
                showTitle(newMessage, null);
            return;
        case IMessageProvider.INFORMATION:
            newImage = JFaceResources.getImage(Dialog.DLG_IMG_MESSAGE_INFO);
            break;
        case IMessageProvider.WARNING: