384 lines
15 KiB
Rust
384 lines
15 KiB
Rust
use std::path::PathBuf;
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use std::sync::{Arc, Mutex};
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use std::time::{Duration, Instant};
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use eframe::egui;
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use eframe::egui::{Button, Context, Id};
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use egui_ltreeview::Action;
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use tokio::task::JoinHandle;
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use crate::utils;
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use crate::fleen_app::{FileType, FleenError, Site, SiteActions, TreeEntry};
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use crate::server::start_server;
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use crate::ui_ext::{ButtonExtensions, UiExtensions};
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use crate::utils::{open_filename, open_server};
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pub struct SiteUi {
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site: Arc<Site>,
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error: Option<FleenError>,
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message: Option<String>,
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selected_file: Option<String>,
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dialog_mode: Option<DialogMode>,
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server_handle: Option<JoinHandle<()>>,
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server_port: String,
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deploy_response: Arc<Mutex<Option<Result<String, FleenError>>>>,
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deploying: bool,
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image_message: Option<TempMessage>,
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}
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impl From<Site> for SiteUi {
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fn from(value: Site) -> Self {
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Self {
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site: Arc::new(value),
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error: None,
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message: None,
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selected_file: None,
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dialog_mode: None,
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server_handle: None,
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server_port: "3000".to_string(),
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deploy_response: Arc::new(Mutex::new(None)),
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deploying: false,
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image_message: None,
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}
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}
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}
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impl SiteUi {
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pub fn display(&mut self, ctx: &Context) {
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self.check_deploy_status(ctx);
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self.error_dialog(ctx);
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self.message_dialog(ctx);
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self.temp_message();
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let mut just_clicked = false;
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egui::CentralPanel::default().show(ctx, |ui| {
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let width = ui.available_width() / 3.0 - 5.0;
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let height = ui.available_height() - 120.0;
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ui.horizontal(|ui| {
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ui.column(width, |ui| {
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egui::ScrollArea::new([true, true])
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.auto_shrink([false, false])
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.min_scrolled_height(height)
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.show(ui, |ui| self.tree_view(ui));
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just_clicked = self.tree_buttons(ui);
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});
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ui.column(width, |ui| self.server_controls(ui));
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ui.column(width, |ui| {
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ui.add_enabled_ui(!self.deploying, |ui| {
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let label = if self.deploying {
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"Deploying..."
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} else {
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"Build and Deploy"
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};
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if ui.add_fill_width(Button::green(label)).clicked() {
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self.build_and_deploy();
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}
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});
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if ui.add_fill_width(Button::blue("Build site...")).clicked() &&
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let Some(path) = rfd::FileDialog::new().pick_folder() {
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match self.site.build_site(&path) {
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Ok(()) => { self.message = Some("Site built successfully".to_string()) }
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Err(err) => { self.error = Some(err) }
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}
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}
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})
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});
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});
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match self.dialog_mode {
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Some(DialogMode::NewFile(_)) => self.new_file_dialog(ctx, just_clicked),
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Some(DialogMode::ConfirmDelete(_)) => self.confirm_delete_dialog(ctx),
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Some(DialogMode::RenameFile(_)) => self.rename_dialog(ctx, just_clicked),
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None => {}
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}
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}
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fn check_deploy_status(&mut self, ctx: &Context) {
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if self.deploying && let Ok(mut m) = self.deploy_response.lock() {
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if let Some(result) = m.take() {
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match result {
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Err(e) => { self.error = Some(e) }
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Ok(s) => { self.message = Some(s) }
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}
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self.deploying = false;
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}
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ctx.request_repaint_after(Duration::from_millis(100));
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}
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}
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/// If there's an error dialog, display it
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fn error_dialog(&mut self, ctx: &Context) {
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if let Some(err) = &self.error {
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let message = format!("{}", err);
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egui::Window::new("Error").collapsible(false).resizable(false).show(ctx, |ui| {
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ui.label(message);
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if ui.button("I see").clicked() {
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self.error = None
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}
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});
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}
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}
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/// If there's an informational dialog, display it
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fn message_dialog(&mut self, ctx: &Context) {
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if let Some(message) = &self.message {
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let message = message.clone();
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egui::Window::new("FYI").collapsible(false).resizable(false).show(ctx, |ui| {
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ui.label(message);
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if ui.button("Thanks!").clicked() {
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self.message = None
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}
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});
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}
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}
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/// A temporary message (replaces the label on the image button)
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fn temp_message(&mut self) {
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if let Some(TempMessage { created, .. }) = &self.image_message
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&& *created < Instant::now() - Duration::from_secs(2) {
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self.image_message = None
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}
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}
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fn build_and_deploy(&mut self) {
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self.deploying = true;
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let mutex = self.deploy_response.clone();
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let site = self.site.clone();
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tokio::spawn(async move {
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let result = site.build_and_deploy().await;
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if let Ok(mut m) = mutex.lock() {
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*m = Some(result);
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}
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});
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}
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fn tree_view(&mut self, ui: &mut egui::Ui) {
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let tv = egui_ltreeview::TreeView::new(Id::from("tree"))
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.allow_multi_selection(false)
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.allow_drag_and_drop(false);
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let (_, actions) = tv.show(ui, |builder| {
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for entry in self.site.tree.iter() {
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match entry {
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TreeEntry::File(p) => builder.leaf(utils::id_for_path(p), utils::label_for_path(p)),
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TreeEntry::Dir(p) => { builder.dir(utils::id_for_path(p), utils::label_for_path(p)); },
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TreeEntry::CloseDir => builder.close_dir()
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}
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}
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});
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for action in actions {
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match action {
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Action::SetSelected(files) => {
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self.selected_file = files.first().cloned()
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}
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Action::Activate(activate) => {
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for fname in activate.selected {
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if let Err(e) = open_filename(&fname) { self.error = Some(e) }
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}
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}
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_ => {}
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}
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}
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}
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fn tree_buttons(&mut self, ui: &mut egui::Ui) -> bool {
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let mut just_clicked = false;
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if ui.add_fill_width(egui::Button::new("Open")).clicked() &&
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let Some(fname) = &self.selected_file &&
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let Err(e) = open_filename(fname) {
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self.error = Some(e)
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}
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let new_btn = Button::green("New page");
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if ui.add_fill_width(new_btn).clicked() {
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just_clicked = true;
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self.dialog_mode = Some(DialogMode::NewFile(String::new()));
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}
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let rename_btn = Button::new("Rename");
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let delete_btn = Button::red("Delete");
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if self.root_selected() || self.selected_file.is_none() {
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ui.add_enabled_ui(false, |ui| {
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ui.add_fill_width(rename_btn);
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ui.add_fill_width(delete_btn);
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});
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} else if let Some(selected) = &self.selected_file {
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if ui.add_fill_width(rename_btn).clicked() {
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self.dialog_mode = Some(DialogMode::RenameFile(utils::label_for_path(&PathBuf::from(&selected))));
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just_clicked = true;
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}
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if ui.add_fill_width(delete_btn).clicked() {
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self.dialog_mode = Some(DialogMode::ConfirmDelete(selected.clone()));
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}
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}
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ui.add_enabled_ui(self.site.image_dir_exists() && self.image_message.is_none(), |ui| {
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let label = match &self.image_message {
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Some(TempMessage { message, .. }) => message.as_str(),
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_ => "Image from clipboard"
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};
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if ui.add_fill_width(Button::blue(label)).clicked() {
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self.image_message = match self.site.paste_image() {
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Ok(new_site) => {
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self.site = Arc::new(new_site);
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Some(TempMessage { message: "Image saved!".to_string(), created: Instant::now() })
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},
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Err(e) => Some(TempMessage { message: e.to_string(), created: Instant::now() })
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}
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}
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});
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just_clicked
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}
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fn server_controls(&mut self, ui: &mut egui::Ui) {
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ui.vertical(|ui| {
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ui.label("Port");
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let open_button = Button::new(format!("Open http://localhost:{}", self.server_port));
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let port_editor = egui::TextEdit::singleline(&mut self.server_port);
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if let Some(join_handle) = &self.server_handle {
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ui.add_enabled_ui(false, |ui| ui.add_fill_width(port_editor));
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let stop_btn = Button::red("Stop server");
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if ui.add_fill_width(stop_btn).clicked() {
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join_handle.abort();
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self.server_handle = None;
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}
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if ui.add_fill_width(open_button).clicked() {
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open_server(self.server_port.as_str());
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}
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} else {
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ui.add(port_editor);
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let start_btn = Button::green("Start server");
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if let Ok(port_num) = self.server_port.parse::<u32>() {
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if ui.add_fill_width(start_btn).clicked() {
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let path = self.site.root.to_path_buf();
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self.server_handle = Some(tokio::spawn(start_server(path, port_num)))
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}
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} else {
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ui.add_enabled_ui(false, |ui| ui.add_fill_width(start_btn));
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}
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ui.add_enabled_ui(false, |ui| ui.add_fill_width(open_button));
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}
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});
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}
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fn new_file_dialog(&mut self, ctx: &Context, just_clicked: bool) {
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egui::Window::new("New page").collapsible(false).resizable(false).show(ctx, |ui| {
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ui.label("Name");
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// If we press enter on the text field, it emits lost_focus. We can't just create the file based
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// on that, because it's not the only thing that causes it, though. So instead we'll just focus the
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// create file button
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//let fname = match &mut self.dialog_mode { Some(DialogMode::NewFile(s)) => s, _ => unreachable!() };
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let Some(DialogMode::NewFile(fname)) = &mut self.dialog_mode else { unreachable!() };
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let name_field = egui::TextEdit::singleline(fname);
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let resp = ui.add(name_field);
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let enter_key = resp.lost_focus();
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// We want to focus the text field if we just opened the dialog, but egui doesn't currently
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// offer a way to do that. However, we can pass in a bool for if the button that opens the
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// dialog was just clicked, and use that to tell whether we should grab focus. It's only true
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// the exact frame that the dialog was opened, which is what we're looking for.
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if just_clicked { resp.request_focus() }
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ui.horizontal(|ui| {
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let mut make_thing = |file_type: FileType| {
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let Some(DialogMode::NewFile(fname)) = &self.dialog_mode else { unreachable!() };
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let r =
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self.site.create_page(file_type,
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fname,
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self.selected_file.as_ref());
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match r {
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Ok(new_site) => {
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self.site = Arc::new(new_site);
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self.dialog_mode = None;
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}
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Err(e) => { self.error = Some(e) }
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}
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};
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let btn = ui.button("New file");
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if enter_key { btn.request_focus() }
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if btn.clicked() { make_thing(FileType::File) }
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if ui.button("New directory").clicked() { make_thing(FileType::Dir) }
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if ui.button("Cancel").clicked() {
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self.dialog_mode = None
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}
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})
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});
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}
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fn rename_dialog(&mut self, ctx: &Context, just_clicked: bool) {
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egui::Window::new("Rename").collapsible(false).resizable(false).show(ctx, |ui| {
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ui.label("New name");
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let Some(DialogMode::RenameFile(fname)) = &mut self.dialog_mode else { unreachable!() };
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let name_field = egui::TextEdit::singleline(fname);
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let resp = ui.add(name_field);
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let enter_key = resp.lost_focus();
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if just_clicked { resp.request_focus() } // See new_file_dialog
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ui.horizontal(|ui| {
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let btn = ui.button("Rename");
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if enter_key { btn.request_focus() }
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if btn.clicked() {
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let Some(DialogMode::RenameFile(fname)) = &self.dialog_mode else { unreachable!() };
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match self.site.rename_page(self.selected_file.as_ref().unwrap(), fname) {
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Ok(new_site) => {
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self.site = Arc::new(new_site);
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self.dialog_mode = None; // Close the dialog, we're done
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}
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Err(e) => { self.error = Some(e) }
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}
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}
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if ui.button("Cancel").clicked() {
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self.dialog_mode = None
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}
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})
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});
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}
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fn confirm_delete_dialog(&mut self, ctx: &Context) {
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let (mut del, mut cancel) = (false, false);
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let Some(DialogMode::ConfirmDelete(fname)) = &self.dialog_mode else { unreachable!() };
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egui::Window::new("Are you sure?").collapsible(false).resizable(false).show(ctx, |ui| {
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let file = utils::label_for_path(&PathBuf::from(fname));
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ui.heading(format!("Really delete {}?", file));
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ui.horizontal(|ui| {
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let btn = Button::red("Yep, I'm sure");
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del = ui.add(btn).clicked();
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cancel = ui.button("Cancel").clicked();
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})
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});
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if del {
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match self.site.delete_page(fname) {
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Ok(new_site) => { self.site = Arc::new(new_site) }
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Err(e) => { self.error = Some(e) }
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}
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self.dialog_mode = None;
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self.selected_file = None;
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} else if cancel {
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self.dialog_mode = None
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}
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}
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fn root_selected(&self) -> bool {
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if let Some(path) = &self.selected_file {
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*path == self.site.root
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} else {
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false
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}
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}
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}
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enum DialogMode {
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NewFile(String),
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ConfirmDelete(String),
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RenameFile(String)
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}
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struct TempMessage {
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created: Instant,
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message: String
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} |