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use crate::errors::Result;
use crossterm::event::{KeyEvent, MouseEvent};
use ratatui::{
layout::{Rect, Size},
Frame,
};
use tokio::sync::mpsc::UnboundedSender;
use crate::{action::Action, theme::Theme, tui::Event};
pub mod dashboard;
pub mod error_modal;
pub mod filter_sidebar;
pub mod help;
pub mod maintenance;
pub mod search;
pub mod status_bar;
pub mod task_detail;
pub mod task_list;
pub mod tasks;
pub mod workers;
pub mod workflow_detail;
pub mod workflows;
/// `Component` is a trait that represents a visual and interactive element of the user interface.
///
/// Implementors of this trait can be registered with the main application loop and will be able to
/// receive events, update state, and be rendered on the screen.
#[allow(dead_code)]
pub trait Component {
/// Register an action handler that can send actions for processing if necessary.
///
/// # Arguments
///
/// * `tx` - An unbounded sender that can send actions.
///
/// # Returns
///
/// * `Result<()>` - An Ok result or an error.
fn register_action_handler(&mut self, tx: UnboundedSender<Action>) -> Result<()> {
let _ = tx; // to appease clippy
Ok(())
}
/// Initialize the component with a specified area if necessary.
///
/// # Arguments
///
/// * `area` - Rectangular area to initialize the component within.
///
/// # Returns
///
/// * `Result<()>` - An Ok result or an error.
fn init(&mut self, area: Size) -> Result<()> {
let _ = area; // to appease clippy
Ok(())
}
/// Handle incoming events and produce actions if necessary.
///
/// # Arguments
///
/// * `event` - An optional event to be processed.
///
/// # Returns
///
/// * `Result<Option<Action>>` - An action to be processed or none.
fn handle_events(&mut self, event: Option<Event>) -> Result<Option<Action>> {
let action = match event {
Some(Event::Key(key_event)) => self.handle_key_event(key_event)?,
Some(Event::Mouse(mouse_event)) => self.handle_mouse_event(mouse_event)?,
_ => None,
};
Ok(action)
}
/// Handle key events and produce actions if necessary.
///
/// # Arguments
///
/// * `key` - A key event to be processed.
///
/// # Returns
///
/// * `Result<Option<Action>>` - An action to be processed or none.
fn handle_key_event(&mut self, key: KeyEvent) -> Result<Option<Action>> {
let _ = key; // to appease clippy
Ok(None)
}
/// Handle mouse events and produce actions if necessary.
///
/// # Arguments
///
/// * `mouse` - A mouse event to be processed.
///
/// # Returns
///
/// * `Result<Option<Action>>` - An action to be processed or none.
fn handle_mouse_event(&mut self, mouse: MouseEvent) -> Result<Option<Action>> {
let _ = mouse; // to appease clippy
Ok(None)
}
/// Update the state of the component based on a received action. (REQUIRED)
///
/// # Arguments
///
/// * `action` - An action that may modify the state of the component.
///
/// # Returns
///
/// * `Result<Option<Action>>` - An action to be processed or none.
fn update(&mut self, action: Action) -> Result<Option<Action>> {
let _ = action; // to appease clippy
Ok(None)
}
/// Render the component on the screen. (REQUIRED)
///
/// # Arguments
///
/// * `f` - A frame used for rendering.
/// * `area` - The area in which the component should be drawn.
///
/// # Returns
///
/// * `Result<()>` - An Ok result or an error.
fn draw(&mut self, frame: &mut Frame, area: Rect, theme: &Theme) -> Result<()>;
}