pelican_ui_std 0.2.17

Standard UI tools and components built off Pelican UI of the RAMP stack.
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use pelican_ui::events::{OnEvent, Event};
use pelican_ui::drawable::{Color, Drawable, Component, Image};
use pelican_ui::layout::{Area, SizeRequest, Layout};
use pelican_ui::{Context, Component};

use crate::components::{Rectangle, AspectRatioImage};
use crate::components::button::{Button, ButtonState, IconButton};
use crate::events::{NavigatorSelect, NavigateEvent, NavigatorEvent};
use crate::layout::{Column, Stack, Bin, Row, Padding, Offset, Size};
// use crate::components::avatar::{Avatar, AvatarContent};
use crate::utils::ElementID;
use crate::pages::AppPage;
use crate::pages::Error;

use std::fmt::Debug;
use crate::components::interface::general::{NavigationButton, NavigateInfo, PageBuilder};

#[derive(Component)]
pub struct WebInterface(Column, Option<WebNavigator>, Option<Box<dyn AppPage>>, Option<WebFooter>, #[skip] PageBuilder);

impl WebInterface {
    pub fn new(
        ctx: &mut Context, 
        start_page: Box<dyn AppPage>,
        mut navigation: Option<(usize, Vec<NavigateInfo>, Vec<NavigateInfo>)>,
        socials: Option<Vec<(&'static str, String)>>
    ) -> Self {
        // let color = ctx.theme.colors.outline.secondary;
        let pages = navigation.as_mut().map(|navi| navi.1.iter_mut().chain(navi.2.iter_mut()).map(|t| t.3.take().unwrap()).collect::<Vec<_>>());
        let navigator = navigation.map(|n| WebNavigator::new(ctx, n));
        let footer = socials.map(|s| WebFooter::new(ctx, s)); 

        WebInterface(
            Column::new(0.0, Offset::Start, Size::fill(), Padding::default()),
            navigator,
            Some(start_page),
            footer,
            pages,
        )
    }

    pub fn page(&mut self) -> &mut Option<Box<dyn AppPage>> { &mut self.2 }
    pub fn navigator(&mut self) -> &mut Option<WebNavigator> { &mut self.1 }
}

impl OnEvent for WebInterface {
    fn on_event(&mut self, ctx: &mut Context, event: &mut dyn Event) -> bool {
        if let Some(NavigateEvent(index)) = event.downcast_mut::<NavigateEvent>() {
            self.2 = match self.2.take().unwrap().navigate(ctx, *index) {
                Ok(p) => Some(p),
                Err(e) => Some(Box::new(Error::new(ctx, "404 Page Not Found", e)))
            };
        } else if let Some(NavigatorEvent(index)) = event.downcast_mut::<NavigatorEvent>() {
            if let Some(nav) = self.4.as_mut() { self.2 = Some(nav[*index](ctx)); }
        }
        true
    }
}

impl std::fmt::Debug for WebInterface {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "Desktop")
    }
}


#[derive(Debug, Component)]
pub struct WebNavigator(Row, Image, Bin<Stack, Rectangle>, ButtonRow);

impl WebNavigator {
    pub fn new(
        ctx: &mut Context, 
        navigation: (usize, Vec<NavigateInfo>, Vec<NavigateInfo>),
    ) -> Self {
        let mut buttons = Vec::new();

        let mut index = 0;

        navigation.1.into_iter().chain(navigation.2).for_each(|(icon, name, _, _)| {
            let id = ElementID::new();
            let closure = move |ctx: &mut Context| {
                ctx.trigger_event(NavigatorSelect(id));
                ctx.trigger_event(NavigatorEvent(index));
            };


            let button = Button::navigation(ctx, icon, &name, navigation.0 == index, closure);
            buttons.push(NavigationButton::new(id, Some(button), None));

            index += 1;
        });

        let wordmark = ctx.theme.brand.wordmark.clone();

        WebNavigator(
            Row::new(32.0, Offset::Center, Size::Fit, Padding::new(48.0)),
            AspectRatioImage::new(wordmark, (150.0, 35.0)),
            Bin (
                Stack(Offset::Center, Offset::Center, Size::fill(), Size::Static(5.0), Padding::default()), 
                Rectangle::new(Color::TRANSPARENT, 0.0, None)
            ),
            ButtonRow::new(buttons)
        )
    }

    // pub fn update_avatar(&mut self, avatar_content: AvatarContent) {
    //     if let Some(avatar) = self.avatar() {
    //         if avatar.avatar().image().is_none() {
    //             avatar.set_content(avatar_content)
    //         } else if let AvatarContent::Image(ref image) = avatar_content {
    //             if avatar.avatar().image().as_ref().unwrap().image != *image {
    //                 avatar.set_content(avatar_content)
    //             }
    //         }
    //     };
    // }

    // pub fn update_username(&mut self, username: String) {
    //     self.4.buttons()[0].button().as_mut().unwrap().label().as_mut().unwrap().text().spans[0].text = username;
    // }

    // pub fn avatar(&mut self) -> Option<&mut Avatar> {
    //     self.4.buttons().iter_mut().flat_map(|nb| nb.button()).flat_map(|button| button.avatar()).next()
    // }

    pub fn buttons(&mut self) -> Vec<&mut Button> {
        self.3.buttons().iter_mut().flat_map(|nb| nb.button()).collect::<Vec<_>>()
    }
}

impl OnEvent for WebNavigator {
    fn on_event(&mut self, ctx: &mut Context, event: &mut dyn Event) -> bool {
        if let Some(NavigatorSelect(id)) = event.downcast_ref::<NavigatorSelect>() {
            let mut buttons: Vec<&mut NavigationButton> = self.3.buttons().iter_mut().collect();
            // buttons.extend(self.4.buttons().iter_mut());
            buttons.iter_mut().for_each(|button| {
                *button.button().as_mut().unwrap().status() = if button.id() == *id {ButtonState::Selected} else {ButtonState::Default};
                button.button().as_mut().unwrap().color(ctx);
            });
        }
        true
    }
}

#[derive(Debug, Component)]
struct ButtonRow(Row, Vec<NavigationButton>);
impl OnEvent for ButtonRow {}

impl ButtonRow {
    fn new(buttons: Vec<NavigationButton>) -> Self {
        ButtonRow(Row::center(8.0), buttons)
    }

    fn buttons(&mut self) -> &mut Vec<NavigationButton> {&mut self.1}
}

#[derive(Debug, Component)]
struct WebFooter(Row, Bin<Stack, Rectangle>, ButtonRow);
impl OnEvent for WebFooter {}

impl WebFooter {
    fn new(
        ctx: &mut Context, 
        socials: Vec<(&'static str, String)>
    ) -> Self {
        let buttons = socials.into_iter().map(|(i, _)| {
            let button = IconButton::ghost(ctx, i, Box::new(move |_ctx: &mut Context| {}));
            let id = ElementID::new();
            NavigationButton::new(id, None, Some(button))
        }).collect();

        // let wordmark = ctx.theme.brand.wordmark.clone();
        // let white = ctx.theme.colors.shades.white;
        // let mut logo = AspectRatioImage::new(wordmark, (150.0, 35.0));
        // logo.color = Some(white);

        WebFooter(
            Row::new(32.0, Offset::Center, Size::Fit, Padding::new(48.0)),
            Bin (
                Stack(Offset::Center, Offset::Center, Size::fill(), Size::Static(5.0), Padding::default()), 
                Rectangle::new(Color::TRANSPARENT, 0.0, None)
            ),
            ButtonRow::new(buttons)
        )
    }

    // fn buttons(&mut self) -> Vec<&mut Button> {
    //     self.2.buttons().iter_mut().flat_map(|nb| nb.button()).collect::<Vec<_>>()
    // }
}