A mix of technologies has been used for this demo:
HTML/JS/CSS -> Javafx webview->Javabeans->oracle forms
the diagram can be altered by the user (it is not an image).
the demo can be tested live on:
https://forms-demo.com/plsql/cd_forms12demo?sg=0&anw=1
demo no. 0024
user's PC needs to have Java 8 or higher
