In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

In my JavaFX WebView application an upcall member is injected into the HTML document that will trigger an upcall to Java when certain SVG images are toggled by a mouse click.

I have a WebView class and I want to select specific text from the rendered html code in a specific region.