PermissionMatrix builder

new(ident: impl Into<Ident>) -> Self

Chain onto the value.

action(action: PermissionAction) -> Self
actions(actions: impl IntoIterator<Item = PermissionAction>) -> Self
subject(subject: PermissionSubject) -> Self
subjects(subjects: impl IntoIterator<Item = PermissionSubject>) -> Self
on_change(handler: impl Fn(PermissionChange, &mut Window, &mut App) + 'static) -> Self

fn permission_matrix(_window: &mut Window, cx: &mut App) -> AnyElement {
    let theme = cx.theme().clone();
    let actions = [
        PermissionAction::new("read", "Read files"),
        PermissionAction::new("write", "Write files"),
        PermissionAction::new("network", "Reach the network"),
    ];
    let subjects = [
        PermissionSubject::new("workspace", "This workspace")
            .cell("read", PermissionEntry::new(PermissionState::Allowed))
            .cell("write", PermissionEntry::new(PermissionState::Ask))
            .cell(
                "network",
                PermissionEntry::inherited(PermissionState::Denied, "the organisation policy"),
            ),
        PermissionSubject::new("scratch", "The scratch directory")
            .cell(
                "read",
                PermissionEntry::inherited(PermissionState::Allowed, "this workspace"),
            )
            .cell("write", PermissionEntry::new(PermissionState::Allowed))
            .cell(
                "network",
                PermissionEntry::inherited(PermissionState::Denied, "the organisation policy"),
            ),
        // A calculator has no files to read, which is not the same as being
        // refused them.
        PermissionSubject::new("calculator", "The calculator tool")
            .cell("network", PermissionEntry::new(PermissionState::Denied)),
    ];

    stack(&theme)
        .w(px(720.0))
        .child(
            PermissionMatrix::new("scene.permission.editable")
                .actions(actions.clone())
                .subjects(subjects.clone())
                .on_change(|_change, _window, _cx| {}),
        )
        .child(
            Divider::new()
                .id("scene.permission.rule.read-only")
                .label("The same permissions, shown rather than offered"),
        )
        .child(
            PermissionMatrix::new("scene.permission.read-only")
                .actions(actions)
                .subjects(subjects),
        )
        .into_any_element()
}