The architecture we use for WebViewWidgets is designed around an MVC (Model View Controller) pattern.
The way we accomplish this is using a "Page Controller" and a "View". See this article on MSDN for an explanation of what a "Page Controller" is.
After reading that article you will better understand why when writing a WebViewWidget e.g. the Calendar WebViewWidget, we split the code up
into calendar_view.rsp and calendar_controller.prg.
The "Model" is the actual data that is Created, Read, Updated or deleted (CRUD) which in most cases (but not all) will be data in a database.
The "View" is the HTML5 (with optional embedded JavaScript data) displayed in the WebView section.
The "Controller" handles "actions" as requested by the "View" which may result in a new view being rendered in the WebView section replacing the one which made the action request.
Hence WebViewWidgets are developed around an MVC pattern.
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