bernardo-tui 0.2.7

A keyboard-only, distraction-free TUI widget library
Documentation 
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use std::fmt::Debug;

use crate::mocks::mock_output::MockOutput;
use crate::mocks::mock_providers_builder::MockProvidersBuilder;
use crate::mocks::mock_tree_item::MockTreeItem;
use crate::mocks::nested_menu_interpreter::NestedMenuInterpreter;
use crate::primitives::tree::tree_node::TreeNode;
use crate::primitives::xy::XY;
use crate::widget::any_msg::{AnyMsg, AsAny};
use crate::widgets::nested_menu::widget::NestedMenuWidget;
use crate::widgets::tests::generic_widget_testbed::GenericWidgetTestbed;
use crate::widgets::tests::generic_widget_testbed_builder::GenericWidgetTestbedBuilder;

#[derive(Debug, Eq, PartialEq)]
pub enum NestedMenuTestMsg {
    Text(String),
}

impl AnyMsg for NestedMenuTestMsg {}

fn item_to_msg(item: &MockTreeItem) -> Option<Box<dyn AnyMsg>> {
    if item.is_leaf() {
        Some(NestedMenuTestMsg::Text(item.name.clone()).boxed())
    } else {
        assert!(false);
        None
    }
}

pub struct AdditionalData {
    pub root: MockTreeItem,
}

pub type NestedMenuTestbed = GenericWidgetTestbed<NestedMenuWidget<String, MockTreeItem>, AdditionalData>;
pub type NestedMenuTestbedBuilder = GenericWidgetTestbedBuilder<NestedMenuWidget<String, MockTreeItem>, AdditionalData>;

impl NestedMenuTestbedBuilder {
    pub fn build(self) -> NestedMenuTestbed {
        let size = self.size.unwrap_or(XY::new(30, 20));

        let build_result = MockProvidersBuilder::default().build();
        let (output, recv) = MockOutput::new(size, false, build_result.providers.theme().clone());

        NestedMenuTestbed {
            widget: NestedMenuWidget::new(self.additional_data.root.clone(), size).with_mapper(item_to_msg),
            additional_data: self.additional_data,
            size,
            last_frame: None,
            mock_navcomp_pilot: Some(build_result.side_channels.navcomp_pilot),
            output,
            recv,
            last_msg: None,
            providers: build_result.providers,
        }
    }
}

impl NestedMenuTestbed {
    pub fn nested_menu(&self) -> Option<NestedMenuInterpreter> {
        self.last_frame.as_ref().map(|frame| frame.get_nested_menus().next()).flatten()
    }
}