Could someone provide clarification on this particular line of Apex code for me?

I'm completely new to Oracle Apex and I could use some guidance in understanding the code snippet I came across in a tutorial about app creation. After digging around, I suspect it might be JavaScript, but I'm not entirely certain.

The scenario involves a page and a Modal Dialog. This particular code is intended to refresh the page that the dialog is linked to once the dialog has been closed. Specifically, within the Dialog section of the Modal Dialog, you are instructed to insert the following line under Attributes:

close: function(event, ui) {apex.navigation.dialog.close(true,{dialogPageId:&APP_PAGE_ID.});}

My question is, what does the close: part signify? I understand that using function(..,..) defines a function in JavaScript.

In my research, I learned that calling apex.navigation.dialog.close(true) closes a dialog window, yet here the tutorial indicates that the action of closing the dialog originates from the user, so why is this piece of code necessary?

Additionally, I comprehend that &APP_PAGE_ID. is utilized to retrieve a page's ID in Apex; however, could you clarify the purpose of having dialogPageId: preceding it?

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javascriptoracle-apex

Answer №1

Information regarding this topic can be found in the documentation. An example code snippet from the docs is as follows:

{dialogPageId:3})

-- Reference from the documentation:

This specific example showcases how to close a modal dialog page and retrieve an object containing the values of page item, dialogPageId being 3. The value obtained can then be utilized by the parent page that launched the modal dialog using a Dialog Closed Dynamic Action event.

Regarding the usage of close:, it is suggested to refer to the help text provided under the Builder's Dialog > Attributes section which states:

https://i.sstatic.net/vb0c4.png

Additionally, within the jquery documentation mentioned, you will discover a "close" event.

To summarize: The "close:" function executes when the dialog is closed, allowing for the setting of the dialog ID in the corresponding function.

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