Sets the web view edit that this find widget will use to search.
        
        :param      webView | <QWebView>

def setWebView( self, webView ):
        """
        Sets the web view edit that this find widget will use to search.
        
        :param      webView | <QWebView>
        """
        if ( self._webView ):
            self._webView.removeAction(self._findAction)
        
        self._webView = webView
        if ( webView ):
            webView.addAction(self._findAction)