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Removed out of place handling of float window in list.rs

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afonsofrancof 2024-08-06 17:22:32 +01:00
parent 65b7246099
commit 72c10c5ef8
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1 changed files with 47 additions and 122 deletions
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165
src/list.rs
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@ -1,4 +1,6 @@
use crate::{float::floating_window, running_command::Command, state::AppState};
use crate::{
float::Float, preview_content::PreviewContent, running_command::Command, state::AppState,
};
use crossterm::event::{KeyCode, KeyEvent, KeyEventKind};
use ego_tree::{tree, NodeId};
use ratatui::{
@ -26,28 +28,12 @@ pub struct CustomList {
/// This is the state asociated with the list widget, used to display the selection in the
/// widget
list_state: ListState,
/// This stores the preview windows state. If it is None, it will not be displayed.
/// If it is Some, we show it with the content of the selected item
preview_window_state: Option<PreviewWindowState>,
// This stores the current search query
filter_query: String,
// This stores the filtered tree
filtered_items: Vec<ListNode>,
}
/// This struct stores the preview window state
struct PreviewWindowState {
/// The text inside the window
text: Vec<String>,
/// The current line scroll
scroll: usize,
}
impl PreviewWindowState {
/// Create a new PreviewWindowState
pub fn new(text: Vec<String>) -> Self {
Self { text, scroll: 0 }
}
// This is the preview window for the commands
preview_float: Float<PreviewContent>,
}
impl CustomList {
@ -192,10 +178,9 @@ impl CustomList {
inner_tree: tree,
visit_stack: vec![root_id],
list_state: ListState::default().with_selected(Some(0)),
// By default the PreviewWindowState is set to None, so it is not being shown
preview_window_state: None,
filter_query: String::new(),
filtered_items: vec![],
preview_float: Float::new(80, 80),
}
}
@ -259,32 +244,8 @@ impl CustomList {
// Render it
frame.render_stateful_widget(list, area, &mut self.list_state);
// Draw the preview window if it's active
if let Some(pw_state) = &self.preview_window_state {
// Set the window to be floating
let floating_area = floating_window(area);
// Draw the preview windows lines
let lines: Vec<Line> = pw_state
.text
.iter()
.skip(pw_state.scroll)
.take(floating_area.height as usize)
.map(|line| Line::from(line.as_str()))
.collect();
// Create list widget
let list = List::new(lines)
.block(
Block::default()
.borders(Borders::ALL)
.title("Action preview"),
)
.highlight_style(Style::default().reversed());
// Finally render the preview window
frame.render_widget(list, floating_area);
}
//Render the preview window
self.preview_float.draw(frame, area);
}
pub fn filter(&mut self, query: String) {
@ -323,98 +284,32 @@ impl CustomList {
if event.kind == KeyEventKind::Release {
return None;
}
if self.preview_float.handle_key_event(&event) {
return None; // If the key event was handled by the preview, don't propagate it further
}
match event.code {
// Damm you Up arrow, use vim lol
KeyCode::Char('j') | KeyCode::Down => {
// If the preview window is active, scroll down and consume the scroll action,
// so the scroll does not happen in the main window as well
if self.preview_window_state.is_some() {
self.scroll_preview_window_down();
} else {
self.list_state.select_next();
}
None
}
KeyCode::Char('k') | KeyCode::Up => {
// If the preview window is active, scroll up and consume the scroll action,
// so the scroll does not happen in the main window as well
if self.preview_window_state.is_some() {
self.scroll_preview_window_up();
} else {
self.list_state.select_previous();
}
None
}
// The 'p' key toggles the preview on and off
KeyCode::Char('p') => {
self.toggle_preview_window(state);
None
}
KeyCode::Enter if self.preview_window_state.is_none() => self.handle_enter(),
KeyCode::Enter => self.handle_enter(),
_ => None,
}
}
fn toggle_preview_window(&mut self, state: &AppState) {
// If the preview window is active, disable it
if self.preview_window_state.is_some() {
self.preview_window_state = None;
} else {
// If the preview windows is not active, show it
// Get the selected command
if let Some(selected_command) = self.get_selected_command() {
let lines = match selected_command {
Command::Raw(cmd) => {
// Reconstruct the line breaks and file formatting after the
// 'include_str!()' call in the node
cmd.lines().map(|line| line.to_string()).collect()
}
Command::LocalFile(file_path) => {
let mut full_path = state.temp_path.clone();
full_path.push(file_path);
let file_contents = std::fs::read_to_string(&full_path)
.map_err(|_| format!("File not found: {:?}", &full_path))
.unwrap();
file_contents.lines().map(|line| line.to_string()).collect()
}
// If command is a folder, we don't display a preview
Command::None => return,
};
// Show the preview window with the text lines
self.preview_window_state = Some(PreviewWindowState::new(lines));
}
}
}
/// Scroll the preview window down
fn scroll_preview_window_down(&mut self) {
if let Some(pw_state) = &mut self.preview_window_state {
if pw_state.scroll + 1 < pw_state.text.len() {
pw_state.scroll += 1;
}
}
}
/// Scroll the preview window up
fn scroll_preview_window_up(&mut self) {
if let Some(pw_state) = &mut self.preview_window_state {
if pw_state.scroll > 0 {
pw_state.scroll = pw_state.scroll.saturating_sub(1);
}
}
}
/// This method returns the currently selected command, or None if no command is selected.
/// It was extracted from the 'handle_enter()'
///
/// This could probably be integrated into the 'handle_enter()' method to avoid code
/// duplication, but I don't want to make too major changes to the codebase.
fn get_selected_command(&self) -> Option<Command> {
let selected_index = self.list_state.selected().unwrap_or(0);
println!("Selected Index: {}", selected_index);
if self.filter_query.is_empty() {
// No filter query, use the regular tree navigation
@ -440,7 +335,6 @@ impl CustomList {
} else {
// Filter query is active, use the filtered items
if let Some(filtered_node) = self.filtered_items.get(selected_index) {
println!("Filtered Node Name: {}", filtered_node.name);
return Some(filtered_node.command.clone());
}
}
@ -496,6 +390,37 @@ impl CustomList {
None
}
fn toggle_preview_window(&mut self, state: &AppState) {
if self.preview_float.get_content().is_some() {
// If the preview window is active, disable it
self.preview_float.set_content(None);
} else {
// If the preview window is not active, show it
// Get the selected command
if let Some(selected_command) = self.get_selected_command() {
let lines = match selected_command {
Command::Raw(cmd) => cmd.lines().map(|line| line.to_string()).collect(),
Command::LocalFile(file_path) => {
if file_path.is_empty() {
return;
}
let mut full_path = state.temp_path.clone();
full_path.push(file_path);
let file_contents = std::fs::read_to_string(&full_path)
.map_err(|_| format!("File not found: {:?}", &full_path))
.unwrap();
file_contents.lines().map(|line| line.to_string()).collect()
}
Command::None => return,
};
self.preview_float
.set_content(Some(PreviewContent::new(lines)));
}
}
}
/// Checks weather the current tree node is the root node (can we go up the tree or no)
/// Returns `true` if we can't go up the tree (we are at the tree root)
/// else returns `false`