How to handle dynamic checkboxes?

[baileyn]

I'm currently grabbing some information from an endpoint and each bit of information represents an action that can be toggled. I'm curious if there's a way to do this so I can keep track of which item was toggled using the Message enumeration?

I have created a minimal example of something like I'm trying to accomplish. I apologize if I'm trying to tackle the issue in an entirely incorrect manner.

https://gist.github.com/baileyn/8d70ed67b91f36beaddcbac8736ff90a

[dakizu]

For your given example, you could simply store the index of the toggled item in the message.

enum Message {
    ItemToggled(/*index*/usize, /*value*/bool),
}

The only thing that then needs to change in the view is to use enumerate() to extract the index from the iterator and store it in the message.

let col = self
            .items
            .iter()
            .enumerate()
            .fold(Column::new().spacing(10), |column, (index, item)| {
                column.push(Checkbox::new(
                    item.checked,
                    &item.name,
                    move |b| Message::ItemToggled(index, b),
                ))
            });

And then the index can be used in the update to get the item that was toggled.

Message::ItemToggled(index, selected) => {
    let toggled_item = &mut self.items[index];
    toggled_item.checked = selected;
    println!("Item {} was toggled to {}", toggled_item.name, selected);
}

Here is the full modified example:
https://gist.github.com/dakizu/514042eaedbe77b1cee7e7bd82757bc1

[baileyn]

Thanks! I appreciate the quick response!