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use crate::view::View;
use crate::views::NamedView;

/// Makes a view wrappable in an [`NamedView`].
///
/// [`NamedView`]: ../views/struct.NamedView.html
pub trait Nameable: View + Sized {
    /// Wraps this view into an `NamedView` with the given id.
    ///
    /// This is just a shortcut for `NamedView::new(id, self)`
    ///
    /// You can use the given id to find the view in the layout tree.
    ///
    /// # Examples
    ///
    /// ```rust
    /// # use cursive_core::Cursive;
    /// # use cursive_core::views::TextView;
    /// # use cursive_core::view::Resizable;
    /// use cursive_core::view::Nameable;
    ///
    /// let mut siv = Cursive::new();
    /// siv.add_layer(TextView::new("foo").with_name("text").fixed_width(10));
    ///
    /// // You could call this from an event callback
    /// siv.call_on_name("text", |view: &mut TextView| {
    ///     view.set_content("New content!");
    /// });
    /// ```
    ///
    /// # Notes
    ///
    /// You should call this directly on the view you want to retrieve later,
    /// before other wrappers like [`fixed_width`]. Otherwise, you would be
    /// retrieving a [`ResizedView`]!
    ///
    /// [`fixed_width`]: crate::view::Resizable::fixed_width
    /// [`ResizedView`]: crate::views::ResizedView
    fn with_name<S: Into<String>>(self, name: S) -> NamedView<Self> {
        NamedView::new(name, self)
    }
}

/// Any `View` implements this trait.
impl<T: View> Nameable for T {}